diff --git a/generation_config.yaml b/generation_config.yaml
index 0b90bed6932d..a3378775fb1a 100644
--- a/generation_config.yaml
+++ b/generation_config.yaml
@@ -1,5 +1,5 @@
 gapic_generator_version: 2.68.0
-googleapis_commitish: 456866bff20ee005cbc248b3478c577d28304e60
+googleapis_commitish: 8d52a0bd5332bec365647fd792102a25a665e9fe
 libraries_bom_version: 26.79.0
 libraries:
 - api_shortname: accessapproval
diff --git a/java-aiplatform/google-cloud-aiplatform/src/main/resources/META-INF/native-image/com.google.cloud.aiplatform.v1/reflect-config.json b/java-aiplatform/google-cloud-aiplatform/src/main/resources/META-INF/native-image/com.google.cloud.aiplatform.v1/reflect-config.json
index edb6fa34d537..4d12e1024b65 100644
--- a/java-aiplatform/google-cloud-aiplatform/src/main/resources/META-INF/native-image/com.google.cloud.aiplatform.v1/reflect-config.json
+++ b/java-aiplatform/google-cloud-aiplatform/src/main/resources/META-INF/native-image/com.google.cloud.aiplatform.v1/reflect-config.json
@@ -647,6 +647,42 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.aiplatform.v1.AggregationOutput",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.AggregationOutput$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.AggregationResult",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.AggregationResult$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.aiplatform.v1.Annotation",
     "queryAllDeclaredConstructors": true,
@@ -998,6 +1034,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.aiplatform.v1.AutoraterConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.AutoraterConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.aiplatform.v1.AutoscalingMetricSpec",
     "queryAllDeclaredConstructors": true,
@@ -2393,6 +2447,33 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec$ComputationBasedMetricType",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.aiplatform.v1.ComputeTokensRequest",
     "queryAllDeclaredConstructors": true,
@@ -2483,6 +2564,42 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.aiplatform.v1.ContentMap",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.ContentMap$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.ContentMap$Contents",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.ContentMap$Contents$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.aiplatform.v1.Context",
     "queryAllDeclaredConstructors": true,
@@ -3878,6 +3995,42 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.aiplatform.v1.CustomOutput",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.CustomOutput$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.CustomOutputFormatConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.CustomOutputFormatConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.aiplatform.v1.DataItem",
     "queryAllDeclaredConstructors": true,
@@ -5741,6 +5894,42 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.aiplatform.v1.EvaluateDatasetResponse",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.EvaluateDatasetResponse$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.EvaluateDatasetRun",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.EvaluateDatasetRun$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.aiplatform.v1.EvaluateInstancesRequest",
     "queryAllDeclaredConstructors": true,
@@ -5822,6 +6011,42 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.aiplatform.v1.EvaluationConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.EvaluationConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.EvaluationDataset",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.EvaluationDataset$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.aiplatform.v1.Event",
     "queryAllDeclaredConstructors": true,
@@ -10448,6 +10673,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.aiplatform.v1.LLMBasedMetricSpec",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.LLMBasedMetricSpec$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.aiplatform.v1.LargeModelReference",
     "queryAllDeclaredConstructors": true,
@@ -12725,6 +12968,51 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.aiplatform.v1.Metric",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.Metric$AggregationMetric",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.Metric$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.MetricResult",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.MetricResult$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.aiplatform.v1.MetricxInput",
     "queryAllDeclaredConstructors": true,
@@ -14588,6 +14876,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.aiplatform.v1.OutputConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.OutputConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.aiplatform.v1.OutputFieldSpec",
     "queryAllDeclaredConstructors": true,
@@ -14615,6 +14921,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.aiplatform.v1.OutputInfo",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.OutputInfo$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.aiplatform.v1.PSCAutomationConfig",
     "queryAllDeclaredConstructors": true,
@@ -15389,6 +15713,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.aiplatform.v1.PredefinedMetricSpec",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.PredefinedMetricSpec$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.aiplatform.v1.PredefinedSplit",
     "queryAllDeclaredConstructors": true,
@@ -17081,6 +17423,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.aiplatform.v1.RawOutput",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.aiplatform.v1.RawOutput$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.aiplatform.v1.RawPredictRequest",
     "queryAllDeclaredConstructors": true,
diff --git a/java-aiplatform/google-cloud-aiplatform/src/test/java/com/google/cloud/aiplatform/v1/EvaluationServiceClientTest.java b/java-aiplatform/google-cloud-aiplatform/src/test/java/com/google/cloud/aiplatform/v1/EvaluationServiceClientTest.java
index 6e48efa01055..dbcf20177596 100644
--- a/java-aiplatform/google-cloud-aiplatform/src/test/java/com/google/cloud/aiplatform/v1/EvaluationServiceClientTest.java
+++ b/java-aiplatform/google-cloud-aiplatform/src/test/java/com/google/cloud/aiplatform/v1/EvaluationServiceClientTest.java
@@ -102,7 +102,10 @@ public void tearDown() throws Exception {
 
   @Test
   public void evaluateInstancesTest() throws Exception {
-    EvaluateInstancesResponse expectedResponse = EvaluateInstancesResponse.newBuilder().build();
+    EvaluateInstancesResponse expectedResponse =
+        EvaluateInstancesResponse.newBuilder()
+            .addAllMetricResults(new ArrayList<MetricResult>())
+            .build();
     mockEvaluationService.addResponse(expectedResponse);
 
     EvaluateInstancesRequest request =
diff --git a/java-aiplatform/google-cloud-aiplatform/src/test/java/com/google/cloud/aiplatform/v1/GenAiTuningServiceClientTest.java b/java-aiplatform/google-cloud-aiplatform/src/test/java/com/google/cloud/aiplatform/v1/GenAiTuningServiceClientTest.java
index c4848f9ca795..9e971a0779e8 100644
--- a/java-aiplatform/google-cloud-aiplatform/src/test/java/com/google/cloud/aiplatform/v1/GenAiTuningServiceClientTest.java
+++ b/java-aiplatform/google-cloud-aiplatform/src/test/java/com/google/cloud/aiplatform/v1/GenAiTuningServiceClientTest.java
@@ -128,6 +128,7 @@ public void createTuningJobTest() throws Exception {
             .setTuningDataStats(TuningDataStats.newBuilder().build())
             .setEncryptionSpec(EncryptionSpec.newBuilder().build())
             .setServiceAccount("serviceAccount1079137720")
+            .addAllEvaluateDatasetRuns(new ArrayList<EvaluateDatasetRun>())
             .build();
     mockGenAiTuningService.addResponse(expectedResponse);
 
@@ -185,6 +186,7 @@ public void createTuningJobTest2() throws Exception {
             .setTuningDataStats(TuningDataStats.newBuilder().build())
             .setEncryptionSpec(EncryptionSpec.newBuilder().build())
             .setServiceAccount("serviceAccount1079137720")
+            .addAllEvaluateDatasetRuns(new ArrayList<EvaluateDatasetRun>())
             .build();
     mockGenAiTuningService.addResponse(expectedResponse);
 
@@ -242,6 +244,7 @@ public void getTuningJobTest() throws Exception {
             .setTuningDataStats(TuningDataStats.newBuilder().build())
             .setEncryptionSpec(EncryptionSpec.newBuilder().build())
             .setServiceAccount("serviceAccount1079137720")
+            .addAllEvaluateDatasetRuns(new ArrayList<EvaluateDatasetRun>())
             .build();
     mockGenAiTuningService.addResponse(expectedResponse);
 
@@ -296,6 +299,7 @@ public void getTuningJobTest2() throws Exception {
             .setTuningDataStats(TuningDataStats.newBuilder().build())
             .setEncryptionSpec(EncryptionSpec.newBuilder().build())
             .setServiceAccount("serviceAccount1079137720")
+            .addAllEvaluateDatasetRuns(new ArrayList<EvaluateDatasetRun>())
             .build();
     mockGenAiTuningService.addResponse(expectedResponse);
 
@@ -506,6 +510,7 @@ public void rebaseTunedModelTest() throws Exception {
             .setTuningDataStats(TuningDataStats.newBuilder().build())
             .setEncryptionSpec(EncryptionSpec.newBuilder().build())
             .setServiceAccount("serviceAccount1079137720")
+            .addAllEvaluateDatasetRuns(new ArrayList<EvaluateDatasetRun>())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -571,6 +576,7 @@ public void rebaseTunedModelTest2() throws Exception {
             .setTuningDataStats(TuningDataStats.newBuilder().build())
             .setEncryptionSpec(EncryptionSpec.newBuilder().build())
             .setServiceAccount("serviceAccount1079137720")
+            .addAllEvaluateDatasetRuns(new ArrayList<EvaluateDatasetRun>())
             .build();
     Operation resultOperation =
         Operation.newBuilder()
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/AggregationOutput.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/AggregationOutput.java
new file mode 100644
index 000000000000..4f2e58be841e
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/AggregationOutput.java
@@ -0,0 +1,1231 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * The aggregation result for the entire dataset and all metrics.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.aiplatform.v1.AggregationOutput}
+ */
+@com.google.protobuf.Generated
+public final class AggregationOutput extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.aiplatform.v1.AggregationOutput)
+    AggregationOutputOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "AggregationOutput");
+  }
+
+  // Use AggregationOutput.newBuilder() to construct.
+  private AggregationOutput(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private AggregationOutput() {
+    aggregationResults_ = java.util.Collections.emptyList();
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_AggregationOutput_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_AggregationOutput_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.aiplatform.v1.AggregationOutput.class,
+            com.google.cloud.aiplatform.v1.AggregationOutput.Builder.class);
+  }
+
+  private int bitField0_;
+  public static final int DATASET_FIELD_NUMBER = 1;
+  private com.google.cloud.aiplatform.v1.EvaluationDataset dataset_;
+
+  /**
+   *
+   *
+   * <pre>
+   * The dataset used for evaluation &amp; aggregation.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.EvaluationDataset dataset = 1;</code>
+   *
+   * @return Whether the dataset field is set.
+   */
+  @java.lang.Override
+  public boolean hasDataset() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The dataset used for evaluation &amp; aggregation.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.EvaluationDataset dataset = 1;</code>
+   *
+   * @return The dataset.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.EvaluationDataset getDataset() {
+    return dataset_ == null
+        ? com.google.cloud.aiplatform.v1.EvaluationDataset.getDefaultInstance()
+        : dataset_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The dataset used for evaluation &amp; aggregation.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.EvaluationDataset dataset = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.EvaluationDatasetOrBuilder getDatasetOrBuilder() {
+    return dataset_ == null
+        ? com.google.cloud.aiplatform.v1.EvaluationDataset.getDefaultInstance()
+        : dataset_;
+  }
+
+  public static final int AGGREGATION_RESULTS_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.aiplatform.v1.AggregationResult> aggregationResults_;
+
+  /**
+   *
+   *
+   * <pre>
+   * One AggregationResult per metric.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.aiplatform.v1.AggregationResult>
+      getAggregationResultsList() {
+    return aggregationResults_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * One AggregationResult per metric.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.aiplatform.v1.AggregationResultOrBuilder>
+      getAggregationResultsOrBuilderList() {
+    return aggregationResults_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * One AggregationResult per metric.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+   */
+  @java.lang.Override
+  public int getAggregationResultsCount() {
+    return aggregationResults_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * One AggregationResult per metric.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.AggregationResult getAggregationResults(int index) {
+    return aggregationResults_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * One AggregationResult per metric.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.AggregationResultOrBuilder getAggregationResultsOrBuilder(
+      int index) {
+    return aggregationResults_.get(index);
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(1, getDataset());
+    }
+    for (int i = 0; i < aggregationResults_.size(); i++) {
+      output.writeMessage(2, aggregationResults_.get(i));
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getDataset());
+    }
+    for (int i = 0; i < aggregationResults_.size(); i++) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(2, aggregationResults_.get(i));
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.aiplatform.v1.AggregationOutput)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.aiplatform.v1.AggregationOutput other =
+        (com.google.cloud.aiplatform.v1.AggregationOutput) obj;
+
+    if (hasDataset() != other.hasDataset()) return false;
+    if (hasDataset()) {
+      if (!getDataset().equals(other.getDataset())) return false;
+    }
+    if (!getAggregationResultsList().equals(other.getAggregationResultsList())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasDataset()) {
+      hash = (37 * hash) + DATASET_FIELD_NUMBER;
+      hash = (53 * hash) + getDataset().hashCode();
+    }
+    if (getAggregationResultsCount() > 0) {
+      hash = (37 * hash) + AGGREGATION_RESULTS_FIELD_NUMBER;
+      hash = (53 * hash) + getAggregationResultsList().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationOutput parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationOutput parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationOutput parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationOutput parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationOutput parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationOutput parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationOutput parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationOutput parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationOutput parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationOutput parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationOutput parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationOutput parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.aiplatform.v1.AggregationOutput prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The aggregation result for the entire dataset and all metrics.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.aiplatform.v1.AggregationOutput}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.aiplatform.v1.AggregationOutput)
+      com.google.cloud.aiplatform.v1.AggregationOutputOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_AggregationOutput_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_AggregationOutput_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.aiplatform.v1.AggregationOutput.class,
+              com.google.cloud.aiplatform.v1.AggregationOutput.Builder.class);
+    }
+
+    // Construct using com.google.cloud.aiplatform.v1.AggregationOutput.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetDatasetFieldBuilder();
+        internalGetAggregationResultsFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      dataset_ = null;
+      if (datasetBuilder_ != null) {
+        datasetBuilder_.dispose();
+        datasetBuilder_ = null;
+      }
+      if (aggregationResultsBuilder_ == null) {
+        aggregationResults_ = java.util.Collections.emptyList();
+      } else {
+        aggregationResults_ = null;
+        aggregationResultsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00000002);
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_AggregationOutput_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.AggregationOutput getDefaultInstanceForType() {
+      return com.google.cloud.aiplatform.v1.AggregationOutput.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.AggregationOutput build() {
+      com.google.cloud.aiplatform.v1.AggregationOutput result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.AggregationOutput buildPartial() {
+      com.google.cloud.aiplatform.v1.AggregationOutput result =
+          new com.google.cloud.aiplatform.v1.AggregationOutput(this);
+      buildPartialRepeatedFields(result);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartialRepeatedFields(
+        com.google.cloud.aiplatform.v1.AggregationOutput result) {
+      if (aggregationResultsBuilder_ == null) {
+        if (((bitField0_ & 0x00000002) != 0)) {
+          aggregationResults_ = java.util.Collections.unmodifiableList(aggregationResults_);
+          bitField0_ = (bitField0_ & ~0x00000002);
+        }
+        result.aggregationResults_ = aggregationResults_;
+      } else {
+        result.aggregationResults_ = aggregationResultsBuilder_.build();
+      }
+    }
+
+    private void buildPartial0(com.google.cloud.aiplatform.v1.AggregationOutput result) {
+      int from_bitField0_ = bitField0_;
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.dataset_ = datasetBuilder_ == null ? dataset_ : datasetBuilder_.build();
+        to_bitField0_ |= 0x00000001;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.aiplatform.v1.AggregationOutput) {
+        return mergeFrom((com.google.cloud.aiplatform.v1.AggregationOutput) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.aiplatform.v1.AggregationOutput other) {
+      if (other == com.google.cloud.aiplatform.v1.AggregationOutput.getDefaultInstance())
+        return this;
+      if (other.hasDataset()) {
+        mergeDataset(other.getDataset());
+      }
+      if (aggregationResultsBuilder_ == null) {
+        if (!other.aggregationResults_.isEmpty()) {
+          if (aggregationResults_.isEmpty()) {
+            aggregationResults_ = other.aggregationResults_;
+            bitField0_ = (bitField0_ & ~0x00000002);
+          } else {
+            ensureAggregationResultsIsMutable();
+            aggregationResults_.addAll(other.aggregationResults_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.aggregationResults_.isEmpty()) {
+          if (aggregationResultsBuilder_.isEmpty()) {
+            aggregationResultsBuilder_.dispose();
+            aggregationResultsBuilder_ = null;
+            aggregationResults_ = other.aggregationResults_;
+            bitField0_ = (bitField0_ & ~0x00000002);
+            aggregationResultsBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetAggregationResultsFieldBuilder()
+                    : null;
+          } else {
+            aggregationResultsBuilder_.addAllMessages(other.aggregationResults_);
+          }
+        }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                input.readMessage(internalGetDatasetFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 18:
+              {
+                com.google.cloud.aiplatform.v1.AggregationResult m =
+                    input.readMessage(
+                        com.google.cloud.aiplatform.v1.AggregationResult.parser(),
+                        extensionRegistry);
+                if (aggregationResultsBuilder_ == null) {
+                  ensureAggregationResultsIsMutable();
+                  aggregationResults_.add(m);
+                } else {
+                  aggregationResultsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.cloud.aiplatform.v1.EvaluationDataset dataset_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.EvaluationDataset,
+            com.google.cloud.aiplatform.v1.EvaluationDataset.Builder,
+            com.google.cloud.aiplatform.v1.EvaluationDatasetOrBuilder>
+        datasetBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The dataset used for evaluation &amp; aggregation.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.EvaluationDataset dataset = 1;</code>
+     *
+     * @return Whether the dataset field is set.
+     */
+    public boolean hasDataset() {
+      return ((bitField0_ & 0x00000001) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The dataset used for evaluation &amp; aggregation.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.EvaluationDataset dataset = 1;</code>
+     *
+     * @return The dataset.
+     */
+    public com.google.cloud.aiplatform.v1.EvaluationDataset getDataset() {
+      if (datasetBuilder_ == null) {
+        return dataset_ == null
+            ? com.google.cloud.aiplatform.v1.EvaluationDataset.getDefaultInstance()
+            : dataset_;
+      } else {
+        return datasetBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The dataset used for evaluation &amp; aggregation.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.EvaluationDataset dataset = 1;</code>
+     */
+    public Builder setDataset(com.google.cloud.aiplatform.v1.EvaluationDataset value) {
+      if (datasetBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        dataset_ = value;
+      } else {
+        datasetBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The dataset used for evaluation &amp; aggregation.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.EvaluationDataset dataset = 1;</code>
+     */
+    public Builder setDataset(
+        com.google.cloud.aiplatform.v1.EvaluationDataset.Builder builderForValue) {
+      if (datasetBuilder_ == null) {
+        dataset_ = builderForValue.build();
+      } else {
+        datasetBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The dataset used for evaluation &amp; aggregation.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.EvaluationDataset dataset = 1;</code>
+     */
+    public Builder mergeDataset(com.google.cloud.aiplatform.v1.EvaluationDataset value) {
+      if (datasetBuilder_ == null) {
+        if (((bitField0_ & 0x00000001) != 0)
+            && dataset_ != null
+            && dataset_ != com.google.cloud.aiplatform.v1.EvaluationDataset.getDefaultInstance()) {
+          getDatasetBuilder().mergeFrom(value);
+        } else {
+          dataset_ = value;
+        }
+      } else {
+        datasetBuilder_.mergeFrom(value);
+      }
+      if (dataset_ != null) {
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The dataset used for evaluation &amp; aggregation.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.EvaluationDataset dataset = 1;</code>
+     */
+    public Builder clearDataset() {
+      bitField0_ = (bitField0_ & ~0x00000001);
+      dataset_ = null;
+      if (datasetBuilder_ != null) {
+        datasetBuilder_.dispose();
+        datasetBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The dataset used for evaluation &amp; aggregation.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.EvaluationDataset dataset = 1;</code>
+     */
+    public com.google.cloud.aiplatform.v1.EvaluationDataset.Builder getDatasetBuilder() {
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return internalGetDatasetFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The dataset used for evaluation &amp; aggregation.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.EvaluationDataset dataset = 1;</code>
+     */
+    public com.google.cloud.aiplatform.v1.EvaluationDatasetOrBuilder getDatasetOrBuilder() {
+      if (datasetBuilder_ != null) {
+        return datasetBuilder_.getMessageOrBuilder();
+      } else {
+        return dataset_ == null
+            ? com.google.cloud.aiplatform.v1.EvaluationDataset.getDefaultInstance()
+            : dataset_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The dataset used for evaluation &amp; aggregation.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.EvaluationDataset dataset = 1;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.EvaluationDataset,
+            com.google.cloud.aiplatform.v1.EvaluationDataset.Builder,
+            com.google.cloud.aiplatform.v1.EvaluationDatasetOrBuilder>
+        internalGetDatasetFieldBuilder() {
+      if (datasetBuilder_ == null) {
+        datasetBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.EvaluationDataset,
+                com.google.cloud.aiplatform.v1.EvaluationDataset.Builder,
+                com.google.cloud.aiplatform.v1.EvaluationDatasetOrBuilder>(
+                getDataset(), getParentForChildren(), isClean());
+        dataset_ = null;
+      }
+      return datasetBuilder_;
+    }
+
+    private java.util.List<com.google.cloud.aiplatform.v1.AggregationResult> aggregationResults_ =
+        java.util.Collections.emptyList();
+
+    private void ensureAggregationResultsIsMutable() {
+      if (!((bitField0_ & 0x00000002) != 0)) {
+        aggregationResults_ =
+            new java.util.ArrayList<com.google.cloud.aiplatform.v1.AggregationResult>(
+                aggregationResults_);
+        bitField0_ |= 0x00000002;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.aiplatform.v1.AggregationResult,
+            com.google.cloud.aiplatform.v1.AggregationResult.Builder,
+            com.google.cloud.aiplatform.v1.AggregationResultOrBuilder>
+        aggregationResultsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * One AggregationResult per metric.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+     */
+    public java.util.List<com.google.cloud.aiplatform.v1.AggregationResult>
+        getAggregationResultsList() {
+      if (aggregationResultsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(aggregationResults_);
+      } else {
+        return aggregationResultsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * One AggregationResult per metric.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+     */
+    public int getAggregationResultsCount() {
+      if (aggregationResultsBuilder_ == null) {
+        return aggregationResults_.size();
+      } else {
+        return aggregationResultsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * One AggregationResult per metric.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+     */
+    public com.google.cloud.aiplatform.v1.AggregationResult getAggregationResults(int index) {
+      if (aggregationResultsBuilder_ == null) {
+        return aggregationResults_.get(index);
+      } else {
+        return aggregationResultsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * One AggregationResult per metric.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+     */
+    public Builder setAggregationResults(
+        int index, com.google.cloud.aiplatform.v1.AggregationResult value) {
+      if (aggregationResultsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureAggregationResultsIsMutable();
+        aggregationResults_.set(index, value);
+        onChanged();
+      } else {
+        aggregationResultsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * One AggregationResult per metric.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+     */
+    public Builder setAggregationResults(
+        int index, com.google.cloud.aiplatform.v1.AggregationResult.Builder builderForValue) {
+      if (aggregationResultsBuilder_ == null) {
+        ensureAggregationResultsIsMutable();
+        aggregationResults_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        aggregationResultsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * One AggregationResult per metric.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+     */
+    public Builder addAggregationResults(com.google.cloud.aiplatform.v1.AggregationResult value) {
+      if (aggregationResultsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureAggregationResultsIsMutable();
+        aggregationResults_.add(value);
+        onChanged();
+      } else {
+        aggregationResultsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * One AggregationResult per metric.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+     */
+    public Builder addAggregationResults(
+        int index, com.google.cloud.aiplatform.v1.AggregationResult value) {
+      if (aggregationResultsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureAggregationResultsIsMutable();
+        aggregationResults_.add(index, value);
+        onChanged();
+      } else {
+        aggregationResultsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * One AggregationResult per metric.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+     */
+    public Builder addAggregationResults(
+        com.google.cloud.aiplatform.v1.AggregationResult.Builder builderForValue) {
+      if (aggregationResultsBuilder_ == null) {
+        ensureAggregationResultsIsMutable();
+        aggregationResults_.add(builderForValue.build());
+        onChanged();
+      } else {
+        aggregationResultsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * One AggregationResult per metric.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+     */
+    public Builder addAggregationResults(
+        int index, com.google.cloud.aiplatform.v1.AggregationResult.Builder builderForValue) {
+      if (aggregationResultsBuilder_ == null) {
+        ensureAggregationResultsIsMutable();
+        aggregationResults_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        aggregationResultsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * One AggregationResult per metric.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+     */
+    public Builder addAllAggregationResults(
+        java.lang.Iterable<? extends com.google.cloud.aiplatform.v1.AggregationResult> values) {
+      if (aggregationResultsBuilder_ == null) {
+        ensureAggregationResultsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, aggregationResults_);
+        onChanged();
+      } else {
+        aggregationResultsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * One AggregationResult per metric.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+     */
+    public Builder clearAggregationResults() {
+      if (aggregationResultsBuilder_ == null) {
+        aggregationResults_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000002);
+        onChanged();
+      } else {
+        aggregationResultsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * One AggregationResult per metric.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+     */
+    public Builder removeAggregationResults(int index) {
+      if (aggregationResultsBuilder_ == null) {
+        ensureAggregationResultsIsMutable();
+        aggregationResults_.remove(index);
+        onChanged();
+      } else {
+        aggregationResultsBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * One AggregationResult per metric.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+     */
+    public com.google.cloud.aiplatform.v1.AggregationResult.Builder getAggregationResultsBuilder(
+        int index) {
+      return internalGetAggregationResultsFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * One AggregationResult per metric.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+     */
+    public com.google.cloud.aiplatform.v1.AggregationResultOrBuilder getAggregationResultsOrBuilder(
+        int index) {
+      if (aggregationResultsBuilder_ == null) {
+        return aggregationResults_.get(index);
+      } else {
+        return aggregationResultsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * One AggregationResult per metric.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+     */
+    public java.util.List<? extends com.google.cloud.aiplatform.v1.AggregationResultOrBuilder>
+        getAggregationResultsOrBuilderList() {
+      if (aggregationResultsBuilder_ != null) {
+        return aggregationResultsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(aggregationResults_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * One AggregationResult per metric.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+     */
+    public com.google.cloud.aiplatform.v1.AggregationResult.Builder addAggregationResultsBuilder() {
+      return internalGetAggregationResultsFieldBuilder()
+          .addBuilder(com.google.cloud.aiplatform.v1.AggregationResult.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * One AggregationResult per metric.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+     */
+    public com.google.cloud.aiplatform.v1.AggregationResult.Builder addAggregationResultsBuilder(
+        int index) {
+      return internalGetAggregationResultsFieldBuilder()
+          .addBuilder(index, com.google.cloud.aiplatform.v1.AggregationResult.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * One AggregationResult per metric.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+     */
+    public java.util.List<com.google.cloud.aiplatform.v1.AggregationResult.Builder>
+        getAggregationResultsBuilderList() {
+      return internalGetAggregationResultsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.aiplatform.v1.AggregationResult,
+            com.google.cloud.aiplatform.v1.AggregationResult.Builder,
+            com.google.cloud.aiplatform.v1.AggregationResultOrBuilder>
+        internalGetAggregationResultsFieldBuilder() {
+      if (aggregationResultsBuilder_ == null) {
+        aggregationResultsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.aiplatform.v1.AggregationResult,
+                com.google.cloud.aiplatform.v1.AggregationResult.Builder,
+                com.google.cloud.aiplatform.v1.AggregationResultOrBuilder>(
+                aggregationResults_,
+                ((bitField0_ & 0x00000002) != 0),
+                getParentForChildren(),
+                isClean());
+        aggregationResults_ = null;
+      }
+      return aggregationResultsBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.AggregationOutput)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.aiplatform.v1.AggregationOutput)
+  private static final com.google.cloud.aiplatform.v1.AggregationOutput DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.aiplatform.v1.AggregationOutput();
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationOutput getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<AggregationOutput> PARSER =
+      new com.google.protobuf.AbstractParser<AggregationOutput>() {
+        @java.lang.Override
+        public AggregationOutput parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<AggregationOutput> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<AggregationOutput> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.AggregationOutput getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/AggregationOutputOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/AggregationOutputOrBuilder.java
new file mode 100644
index 000000000000..6ebb7e05fb72
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/AggregationOutputOrBuilder.java
@@ -0,0 +1,122 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+@com.google.protobuf.Generated
+public interface AggregationOutputOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.aiplatform.v1.AggregationOutput)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The dataset used for evaluation &amp; aggregation.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.EvaluationDataset dataset = 1;</code>
+   *
+   * @return Whether the dataset field is set.
+   */
+  boolean hasDataset();
+
+  /**
+   *
+   *
+   * <pre>
+   * The dataset used for evaluation &amp; aggregation.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.EvaluationDataset dataset = 1;</code>
+   *
+   * @return The dataset.
+   */
+  com.google.cloud.aiplatform.v1.EvaluationDataset getDataset();
+
+  /**
+   *
+   *
+   * <pre>
+   * The dataset used for evaluation &amp; aggregation.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.EvaluationDataset dataset = 1;</code>
+   */
+  com.google.cloud.aiplatform.v1.EvaluationDatasetOrBuilder getDatasetOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * One AggregationResult per metric.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+   */
+  java.util.List<com.google.cloud.aiplatform.v1.AggregationResult> getAggregationResultsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * One AggregationResult per metric.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+   */
+  com.google.cloud.aiplatform.v1.AggregationResult getAggregationResults(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * One AggregationResult per metric.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+   */
+  int getAggregationResultsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * One AggregationResult per metric.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+   */
+  java.util.List<? extends com.google.cloud.aiplatform.v1.AggregationResultOrBuilder>
+      getAggregationResultsOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * One AggregationResult per metric.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.AggregationResult aggregation_results = 2;</code>
+   */
+  com.google.cloud.aiplatform.v1.AggregationResultOrBuilder getAggregationResultsOrBuilder(
+      int index);
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/AggregationResult.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/AggregationResult.java
new file mode 100644
index 000000000000..dc394d3b57ef
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/AggregationResult.java
@@ -0,0 +1,2218 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * The aggregation result for a single metric.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.aiplatform.v1.AggregationResult}
+ */
+@com.google.protobuf.Generated
+public final class AggregationResult extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.aiplatform.v1.AggregationResult)
+    AggregationResultOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "AggregationResult");
+  }
+
+  // Use AggregationResult.newBuilder() to construct.
+  private AggregationResult(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private AggregationResult() {
+    aggregationMetric_ = 0;
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_AggregationResult_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_AggregationResult_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.aiplatform.v1.AggregationResult.class,
+            com.google.cloud.aiplatform.v1.AggregationResult.Builder.class);
+  }
+
+  private int aggregationResultCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object aggregationResult_;
+
+  public enum AggregationResultCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    POINTWISE_METRIC_RESULT(5),
+    PAIRWISE_METRIC_RESULT(6),
+    EXACT_MATCH_METRIC_VALUE(7),
+    BLEU_METRIC_VALUE(8),
+    ROUGE_METRIC_VALUE(9),
+    AGGREGATIONRESULT_NOT_SET(0);
+    private final int value;
+
+    private AggregationResultCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static AggregationResultCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static AggregationResultCase forNumber(int value) {
+      switch (value) {
+        case 5:
+          return POINTWISE_METRIC_RESULT;
+        case 6:
+          return PAIRWISE_METRIC_RESULT;
+        case 7:
+          return EXACT_MATCH_METRIC_VALUE;
+        case 8:
+          return BLEU_METRIC_VALUE;
+        case 9:
+          return ROUGE_METRIC_VALUE;
+        case 0:
+          return AGGREGATIONRESULT_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public AggregationResultCase getAggregationResultCase() {
+    return AggregationResultCase.forNumber(aggregationResultCase_);
+  }
+
+  public static final int POINTWISE_METRIC_RESULT_FIELD_NUMBER = 5;
+
+  /**
+   *
+   *
+   * <pre>
+   * Result for pointwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PointwiseMetricResult pointwise_metric_result = 5;</code>
+   *
+   * @return Whether the pointwiseMetricResult field is set.
+   */
+  @java.lang.Override
+  public boolean hasPointwiseMetricResult() {
+    return aggregationResultCase_ == 5;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Result for pointwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PointwiseMetricResult pointwise_metric_result = 5;</code>
+   *
+   * @return The pointwiseMetricResult.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.PointwiseMetricResult getPointwiseMetricResult() {
+    if (aggregationResultCase_ == 5) {
+      return (com.google.cloud.aiplatform.v1.PointwiseMetricResult) aggregationResult_;
+    }
+    return com.google.cloud.aiplatform.v1.PointwiseMetricResult.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Result for pointwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PointwiseMetricResult pointwise_metric_result = 5;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.PointwiseMetricResultOrBuilder
+      getPointwiseMetricResultOrBuilder() {
+    if (aggregationResultCase_ == 5) {
+      return (com.google.cloud.aiplatform.v1.PointwiseMetricResult) aggregationResult_;
+    }
+    return com.google.cloud.aiplatform.v1.PointwiseMetricResult.getDefaultInstance();
+  }
+
+  public static final int PAIRWISE_METRIC_RESULT_FIELD_NUMBER = 6;
+
+  /**
+   *
+   *
+   * <pre>
+   * Result for pairwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PairwiseMetricResult pairwise_metric_result = 6;</code>
+   *
+   * @return Whether the pairwiseMetricResult field is set.
+   */
+  @java.lang.Override
+  public boolean hasPairwiseMetricResult() {
+    return aggregationResultCase_ == 6;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Result for pairwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PairwiseMetricResult pairwise_metric_result = 6;</code>
+   *
+   * @return The pairwiseMetricResult.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.PairwiseMetricResult getPairwiseMetricResult() {
+    if (aggregationResultCase_ == 6) {
+      return (com.google.cloud.aiplatform.v1.PairwiseMetricResult) aggregationResult_;
+    }
+    return com.google.cloud.aiplatform.v1.PairwiseMetricResult.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Result for pairwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PairwiseMetricResult pairwise_metric_result = 6;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.PairwiseMetricResultOrBuilder
+      getPairwiseMetricResultOrBuilder() {
+    if (aggregationResultCase_ == 6) {
+      return (com.google.cloud.aiplatform.v1.PairwiseMetricResult) aggregationResult_;
+    }
+    return com.google.cloud.aiplatform.v1.PairwiseMetricResult.getDefaultInstance();
+  }
+
+  public static final int EXACT_MATCH_METRIC_VALUE_FIELD_NUMBER = 7;
+
+  /**
+   *
+   *
+   * <pre>
+   * Results for exact match metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ExactMatchMetricValue exact_match_metric_value = 7;</code>
+   *
+   * @return Whether the exactMatchMetricValue field is set.
+   */
+  @java.lang.Override
+  public boolean hasExactMatchMetricValue() {
+    return aggregationResultCase_ == 7;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Results for exact match metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ExactMatchMetricValue exact_match_metric_value = 7;</code>
+   *
+   * @return The exactMatchMetricValue.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.ExactMatchMetricValue getExactMatchMetricValue() {
+    if (aggregationResultCase_ == 7) {
+      return (com.google.cloud.aiplatform.v1.ExactMatchMetricValue) aggregationResult_;
+    }
+    return com.google.cloud.aiplatform.v1.ExactMatchMetricValue.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Results for exact match metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ExactMatchMetricValue exact_match_metric_value = 7;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.ExactMatchMetricValueOrBuilder
+      getExactMatchMetricValueOrBuilder() {
+    if (aggregationResultCase_ == 7) {
+      return (com.google.cloud.aiplatform.v1.ExactMatchMetricValue) aggregationResult_;
+    }
+    return com.google.cloud.aiplatform.v1.ExactMatchMetricValue.getDefaultInstance();
+  }
+
+  public static final int BLEU_METRIC_VALUE_FIELD_NUMBER = 8;
+
+  /**
+   *
+   *
+   * <pre>
+   * Results for bleu metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.BleuMetricValue bleu_metric_value = 8;</code>
+   *
+   * @return Whether the bleuMetricValue field is set.
+   */
+  @java.lang.Override
+  public boolean hasBleuMetricValue() {
+    return aggregationResultCase_ == 8;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Results for bleu metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.BleuMetricValue bleu_metric_value = 8;</code>
+   *
+   * @return The bleuMetricValue.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.BleuMetricValue getBleuMetricValue() {
+    if (aggregationResultCase_ == 8) {
+      return (com.google.cloud.aiplatform.v1.BleuMetricValue) aggregationResult_;
+    }
+    return com.google.cloud.aiplatform.v1.BleuMetricValue.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Results for bleu metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.BleuMetricValue bleu_metric_value = 8;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.BleuMetricValueOrBuilder getBleuMetricValueOrBuilder() {
+    if (aggregationResultCase_ == 8) {
+      return (com.google.cloud.aiplatform.v1.BleuMetricValue) aggregationResult_;
+    }
+    return com.google.cloud.aiplatform.v1.BleuMetricValue.getDefaultInstance();
+  }
+
+  public static final int ROUGE_METRIC_VALUE_FIELD_NUMBER = 9;
+
+  /**
+   *
+   *
+   * <pre>
+   * Results for rouge metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.RougeMetricValue rouge_metric_value = 9;</code>
+   *
+   * @return Whether the rougeMetricValue field is set.
+   */
+  @java.lang.Override
+  public boolean hasRougeMetricValue() {
+    return aggregationResultCase_ == 9;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Results for rouge metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.RougeMetricValue rouge_metric_value = 9;</code>
+   *
+   * @return The rougeMetricValue.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.RougeMetricValue getRougeMetricValue() {
+    if (aggregationResultCase_ == 9) {
+      return (com.google.cloud.aiplatform.v1.RougeMetricValue) aggregationResult_;
+    }
+    return com.google.cloud.aiplatform.v1.RougeMetricValue.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Results for rouge metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.RougeMetricValue rouge_metric_value = 9;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.RougeMetricValueOrBuilder getRougeMetricValueOrBuilder() {
+    if (aggregationResultCase_ == 9) {
+      return (com.google.cloud.aiplatform.v1.RougeMetricValue) aggregationResult_;
+    }
+    return com.google.cloud.aiplatform.v1.RougeMetricValue.getDefaultInstance();
+  }
+
+  public static final int AGGREGATION_METRIC_FIELD_NUMBER = 4;
+  private int aggregationMetric_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Aggregation metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metric = 4;</code>
+   *
+   * @return The enum numeric value on the wire for aggregationMetric.
+   */
+  @java.lang.Override
+  public int getAggregationMetricValue() {
+    return aggregationMetric_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Aggregation metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metric = 4;</code>
+   *
+   * @return The aggregationMetric.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.Metric.AggregationMetric getAggregationMetric() {
+    com.google.cloud.aiplatform.v1.Metric.AggregationMetric result =
+        com.google.cloud.aiplatform.v1.Metric.AggregationMetric.forNumber(aggregationMetric_);
+    return result == null
+        ? com.google.cloud.aiplatform.v1.Metric.AggregationMetric.UNRECOGNIZED
+        : result;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (aggregationMetric_
+        != com.google.cloud.aiplatform.v1.Metric.AggregationMetric.AGGREGATION_METRIC_UNSPECIFIED
+            .getNumber()) {
+      output.writeEnum(4, aggregationMetric_);
+    }
+    if (aggregationResultCase_ == 5) {
+      output.writeMessage(
+          5, (com.google.cloud.aiplatform.v1.PointwiseMetricResult) aggregationResult_);
+    }
+    if (aggregationResultCase_ == 6) {
+      output.writeMessage(
+          6, (com.google.cloud.aiplatform.v1.PairwiseMetricResult) aggregationResult_);
+    }
+    if (aggregationResultCase_ == 7) {
+      output.writeMessage(
+          7, (com.google.cloud.aiplatform.v1.ExactMatchMetricValue) aggregationResult_);
+    }
+    if (aggregationResultCase_ == 8) {
+      output.writeMessage(8, (com.google.cloud.aiplatform.v1.BleuMetricValue) aggregationResult_);
+    }
+    if (aggregationResultCase_ == 9) {
+      output.writeMessage(9, (com.google.cloud.aiplatform.v1.RougeMetricValue) aggregationResult_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (aggregationMetric_
+        != com.google.cloud.aiplatform.v1.Metric.AggregationMetric.AGGREGATION_METRIC_UNSPECIFIED
+            .getNumber()) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(4, aggregationMetric_);
+    }
+    if (aggregationResultCase_ == 5) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              5, (com.google.cloud.aiplatform.v1.PointwiseMetricResult) aggregationResult_);
+    }
+    if (aggregationResultCase_ == 6) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              6, (com.google.cloud.aiplatform.v1.PairwiseMetricResult) aggregationResult_);
+    }
+    if (aggregationResultCase_ == 7) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              7, (com.google.cloud.aiplatform.v1.ExactMatchMetricValue) aggregationResult_);
+    }
+    if (aggregationResultCase_ == 8) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              8, (com.google.cloud.aiplatform.v1.BleuMetricValue) aggregationResult_);
+    }
+    if (aggregationResultCase_ == 9) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              9, (com.google.cloud.aiplatform.v1.RougeMetricValue) aggregationResult_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.aiplatform.v1.AggregationResult)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.aiplatform.v1.AggregationResult other =
+        (com.google.cloud.aiplatform.v1.AggregationResult) obj;
+
+    if (aggregationMetric_ != other.aggregationMetric_) return false;
+    if (!getAggregationResultCase().equals(other.getAggregationResultCase())) return false;
+    switch (aggregationResultCase_) {
+      case 5:
+        if (!getPointwiseMetricResult().equals(other.getPointwiseMetricResult())) return false;
+        break;
+      case 6:
+        if (!getPairwiseMetricResult().equals(other.getPairwiseMetricResult())) return false;
+        break;
+      case 7:
+        if (!getExactMatchMetricValue().equals(other.getExactMatchMetricValue())) return false;
+        break;
+      case 8:
+        if (!getBleuMetricValue().equals(other.getBleuMetricValue())) return false;
+        break;
+      case 9:
+        if (!getRougeMetricValue().equals(other.getRougeMetricValue())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + AGGREGATION_METRIC_FIELD_NUMBER;
+    hash = (53 * hash) + aggregationMetric_;
+    switch (aggregationResultCase_) {
+      case 5:
+        hash = (37 * hash) + POINTWISE_METRIC_RESULT_FIELD_NUMBER;
+        hash = (53 * hash) + getPointwiseMetricResult().hashCode();
+        break;
+      case 6:
+        hash = (37 * hash) + PAIRWISE_METRIC_RESULT_FIELD_NUMBER;
+        hash = (53 * hash) + getPairwiseMetricResult().hashCode();
+        break;
+      case 7:
+        hash = (37 * hash) + EXACT_MATCH_METRIC_VALUE_FIELD_NUMBER;
+        hash = (53 * hash) + getExactMatchMetricValue().hashCode();
+        break;
+      case 8:
+        hash = (37 * hash) + BLEU_METRIC_VALUE_FIELD_NUMBER;
+        hash = (53 * hash) + getBleuMetricValue().hashCode();
+        break;
+      case 9:
+        hash = (37 * hash) + ROUGE_METRIC_VALUE_FIELD_NUMBER;
+        hash = (53 * hash) + getRougeMetricValue().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationResult parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationResult parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationResult parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationResult parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationResult parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationResult parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationResult parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationResult parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationResult parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationResult parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationResult parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationResult parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.aiplatform.v1.AggregationResult prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The aggregation result for a single metric.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.aiplatform.v1.AggregationResult}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.aiplatform.v1.AggregationResult)
+      com.google.cloud.aiplatform.v1.AggregationResultOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_AggregationResult_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_AggregationResult_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.aiplatform.v1.AggregationResult.class,
+              com.google.cloud.aiplatform.v1.AggregationResult.Builder.class);
+    }
+
+    // Construct using com.google.cloud.aiplatform.v1.AggregationResult.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (pointwiseMetricResultBuilder_ != null) {
+        pointwiseMetricResultBuilder_.clear();
+      }
+      if (pairwiseMetricResultBuilder_ != null) {
+        pairwiseMetricResultBuilder_.clear();
+      }
+      if (exactMatchMetricValueBuilder_ != null) {
+        exactMatchMetricValueBuilder_.clear();
+      }
+      if (bleuMetricValueBuilder_ != null) {
+        bleuMetricValueBuilder_.clear();
+      }
+      if (rougeMetricValueBuilder_ != null) {
+        rougeMetricValueBuilder_.clear();
+      }
+      aggregationMetric_ = 0;
+      aggregationResultCase_ = 0;
+      aggregationResult_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_AggregationResult_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.AggregationResult getDefaultInstanceForType() {
+      return com.google.cloud.aiplatform.v1.AggregationResult.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.AggregationResult build() {
+      com.google.cloud.aiplatform.v1.AggregationResult result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.AggregationResult buildPartial() {
+      com.google.cloud.aiplatform.v1.AggregationResult result =
+          new com.google.cloud.aiplatform.v1.AggregationResult(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.aiplatform.v1.AggregationResult result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000020) != 0)) {
+        result.aggregationMetric_ = aggregationMetric_;
+      }
+    }
+
+    private void buildPartialOneofs(com.google.cloud.aiplatform.v1.AggregationResult result) {
+      result.aggregationResultCase_ = aggregationResultCase_;
+      result.aggregationResult_ = this.aggregationResult_;
+      if (aggregationResultCase_ == 5 && pointwiseMetricResultBuilder_ != null) {
+        result.aggregationResult_ = pointwiseMetricResultBuilder_.build();
+      }
+      if (aggregationResultCase_ == 6 && pairwiseMetricResultBuilder_ != null) {
+        result.aggregationResult_ = pairwiseMetricResultBuilder_.build();
+      }
+      if (aggregationResultCase_ == 7 && exactMatchMetricValueBuilder_ != null) {
+        result.aggregationResult_ = exactMatchMetricValueBuilder_.build();
+      }
+      if (aggregationResultCase_ == 8 && bleuMetricValueBuilder_ != null) {
+        result.aggregationResult_ = bleuMetricValueBuilder_.build();
+      }
+      if (aggregationResultCase_ == 9 && rougeMetricValueBuilder_ != null) {
+        result.aggregationResult_ = rougeMetricValueBuilder_.build();
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.aiplatform.v1.AggregationResult) {
+        return mergeFrom((com.google.cloud.aiplatform.v1.AggregationResult) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.aiplatform.v1.AggregationResult other) {
+      if (other == com.google.cloud.aiplatform.v1.AggregationResult.getDefaultInstance())
+        return this;
+      if (other.aggregationMetric_ != 0) {
+        setAggregationMetricValue(other.getAggregationMetricValue());
+      }
+      switch (other.getAggregationResultCase()) {
+        case POINTWISE_METRIC_RESULT:
+          {
+            mergePointwiseMetricResult(other.getPointwiseMetricResult());
+            break;
+          }
+        case PAIRWISE_METRIC_RESULT:
+          {
+            mergePairwiseMetricResult(other.getPairwiseMetricResult());
+            break;
+          }
+        case EXACT_MATCH_METRIC_VALUE:
+          {
+            mergeExactMatchMetricValue(other.getExactMatchMetricValue());
+            break;
+          }
+        case BLEU_METRIC_VALUE:
+          {
+            mergeBleuMetricValue(other.getBleuMetricValue());
+            break;
+          }
+        case ROUGE_METRIC_VALUE:
+          {
+            mergeRougeMetricValue(other.getRougeMetricValue());
+            break;
+          }
+        case AGGREGATIONRESULT_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 32:
+              {
+                aggregationMetric_ = input.readEnum();
+                bitField0_ |= 0x00000020;
+                break;
+              } // case 32
+            case 42:
+              {
+                input.readMessage(
+                    internalGetPointwiseMetricResultFieldBuilder().getBuilder(), extensionRegistry);
+                aggregationResultCase_ = 5;
+                break;
+              } // case 42
+            case 50:
+              {
+                input.readMessage(
+                    internalGetPairwiseMetricResultFieldBuilder().getBuilder(), extensionRegistry);
+                aggregationResultCase_ = 6;
+                break;
+              } // case 50
+            case 58:
+              {
+                input.readMessage(
+                    internalGetExactMatchMetricValueFieldBuilder().getBuilder(), extensionRegistry);
+                aggregationResultCase_ = 7;
+                break;
+              } // case 58
+            case 66:
+              {
+                input.readMessage(
+                    internalGetBleuMetricValueFieldBuilder().getBuilder(), extensionRegistry);
+                aggregationResultCase_ = 8;
+                break;
+              } // case 66
+            case 74:
+              {
+                input.readMessage(
+                    internalGetRougeMetricValueFieldBuilder().getBuilder(), extensionRegistry);
+                aggregationResultCase_ = 9;
+                break;
+              } // case 74
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int aggregationResultCase_ = 0;
+    private java.lang.Object aggregationResult_;
+
+    public AggregationResultCase getAggregationResultCase() {
+      return AggregationResultCase.forNumber(aggregationResultCase_);
+    }
+
+    public Builder clearAggregationResult() {
+      aggregationResultCase_ = 0;
+      aggregationResult_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.PointwiseMetricResult,
+            com.google.cloud.aiplatform.v1.PointwiseMetricResult.Builder,
+            com.google.cloud.aiplatform.v1.PointwiseMetricResultOrBuilder>
+        pointwiseMetricResultBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Result for pointwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PointwiseMetricResult pointwise_metric_result = 5;</code>
+     *
+     * @return Whether the pointwiseMetricResult field is set.
+     */
+    @java.lang.Override
+    public boolean hasPointwiseMetricResult() {
+      return aggregationResultCase_ == 5;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Result for pointwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PointwiseMetricResult pointwise_metric_result = 5;</code>
+     *
+     * @return The pointwiseMetricResult.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.PointwiseMetricResult getPointwiseMetricResult() {
+      if (pointwiseMetricResultBuilder_ == null) {
+        if (aggregationResultCase_ == 5) {
+          return (com.google.cloud.aiplatform.v1.PointwiseMetricResult) aggregationResult_;
+        }
+        return com.google.cloud.aiplatform.v1.PointwiseMetricResult.getDefaultInstance();
+      } else {
+        if (aggregationResultCase_ == 5) {
+          return pointwiseMetricResultBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.PointwiseMetricResult.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Result for pointwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PointwiseMetricResult pointwise_metric_result = 5;</code>
+     */
+    public Builder setPointwiseMetricResult(
+        com.google.cloud.aiplatform.v1.PointwiseMetricResult value) {
+      if (pointwiseMetricResultBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        aggregationResult_ = value;
+        onChanged();
+      } else {
+        pointwiseMetricResultBuilder_.setMessage(value);
+      }
+      aggregationResultCase_ = 5;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Result for pointwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PointwiseMetricResult pointwise_metric_result = 5;</code>
+     */
+    public Builder setPointwiseMetricResult(
+        com.google.cloud.aiplatform.v1.PointwiseMetricResult.Builder builderForValue) {
+      if (pointwiseMetricResultBuilder_ == null) {
+        aggregationResult_ = builderForValue.build();
+        onChanged();
+      } else {
+        pointwiseMetricResultBuilder_.setMessage(builderForValue.build());
+      }
+      aggregationResultCase_ = 5;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Result for pointwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PointwiseMetricResult pointwise_metric_result = 5;</code>
+     */
+    public Builder mergePointwiseMetricResult(
+        com.google.cloud.aiplatform.v1.PointwiseMetricResult value) {
+      if (pointwiseMetricResultBuilder_ == null) {
+        if (aggregationResultCase_ == 5
+            && aggregationResult_
+                != com.google.cloud.aiplatform.v1.PointwiseMetricResult.getDefaultInstance()) {
+          aggregationResult_ =
+              com.google.cloud.aiplatform.v1.PointwiseMetricResult.newBuilder(
+                      (com.google.cloud.aiplatform.v1.PointwiseMetricResult) aggregationResult_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          aggregationResult_ = value;
+        }
+        onChanged();
+      } else {
+        if (aggregationResultCase_ == 5) {
+          pointwiseMetricResultBuilder_.mergeFrom(value);
+        } else {
+          pointwiseMetricResultBuilder_.setMessage(value);
+        }
+      }
+      aggregationResultCase_ = 5;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Result for pointwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PointwiseMetricResult pointwise_metric_result = 5;</code>
+     */
+    public Builder clearPointwiseMetricResult() {
+      if (pointwiseMetricResultBuilder_ == null) {
+        if (aggregationResultCase_ == 5) {
+          aggregationResultCase_ = 0;
+          aggregationResult_ = null;
+          onChanged();
+        }
+      } else {
+        if (aggregationResultCase_ == 5) {
+          aggregationResultCase_ = 0;
+          aggregationResult_ = null;
+        }
+        pointwiseMetricResultBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Result for pointwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PointwiseMetricResult pointwise_metric_result = 5;</code>
+     */
+    public com.google.cloud.aiplatform.v1.PointwiseMetricResult.Builder
+        getPointwiseMetricResultBuilder() {
+      return internalGetPointwiseMetricResultFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Result for pointwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PointwiseMetricResult pointwise_metric_result = 5;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.PointwiseMetricResultOrBuilder
+        getPointwiseMetricResultOrBuilder() {
+      if ((aggregationResultCase_ == 5) && (pointwiseMetricResultBuilder_ != null)) {
+        return pointwiseMetricResultBuilder_.getMessageOrBuilder();
+      } else {
+        if (aggregationResultCase_ == 5) {
+          return (com.google.cloud.aiplatform.v1.PointwiseMetricResult) aggregationResult_;
+        }
+        return com.google.cloud.aiplatform.v1.PointwiseMetricResult.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Result for pointwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PointwiseMetricResult pointwise_metric_result = 5;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.PointwiseMetricResult,
+            com.google.cloud.aiplatform.v1.PointwiseMetricResult.Builder,
+            com.google.cloud.aiplatform.v1.PointwiseMetricResultOrBuilder>
+        internalGetPointwiseMetricResultFieldBuilder() {
+      if (pointwiseMetricResultBuilder_ == null) {
+        if (!(aggregationResultCase_ == 5)) {
+          aggregationResult_ =
+              com.google.cloud.aiplatform.v1.PointwiseMetricResult.getDefaultInstance();
+        }
+        pointwiseMetricResultBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.PointwiseMetricResult,
+                com.google.cloud.aiplatform.v1.PointwiseMetricResult.Builder,
+                com.google.cloud.aiplatform.v1.PointwiseMetricResultOrBuilder>(
+                (com.google.cloud.aiplatform.v1.PointwiseMetricResult) aggregationResult_,
+                getParentForChildren(),
+                isClean());
+        aggregationResult_ = null;
+      }
+      aggregationResultCase_ = 5;
+      onChanged();
+      return pointwiseMetricResultBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.PairwiseMetricResult,
+            com.google.cloud.aiplatform.v1.PairwiseMetricResult.Builder,
+            com.google.cloud.aiplatform.v1.PairwiseMetricResultOrBuilder>
+        pairwiseMetricResultBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Result for pairwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PairwiseMetricResult pairwise_metric_result = 6;</code>
+     *
+     * @return Whether the pairwiseMetricResult field is set.
+     */
+    @java.lang.Override
+    public boolean hasPairwiseMetricResult() {
+      return aggregationResultCase_ == 6;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Result for pairwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PairwiseMetricResult pairwise_metric_result = 6;</code>
+     *
+     * @return The pairwiseMetricResult.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.PairwiseMetricResult getPairwiseMetricResult() {
+      if (pairwiseMetricResultBuilder_ == null) {
+        if (aggregationResultCase_ == 6) {
+          return (com.google.cloud.aiplatform.v1.PairwiseMetricResult) aggregationResult_;
+        }
+        return com.google.cloud.aiplatform.v1.PairwiseMetricResult.getDefaultInstance();
+      } else {
+        if (aggregationResultCase_ == 6) {
+          return pairwiseMetricResultBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.PairwiseMetricResult.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Result for pairwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PairwiseMetricResult pairwise_metric_result = 6;</code>
+     */
+    public Builder setPairwiseMetricResult(
+        com.google.cloud.aiplatform.v1.PairwiseMetricResult value) {
+      if (pairwiseMetricResultBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        aggregationResult_ = value;
+        onChanged();
+      } else {
+        pairwiseMetricResultBuilder_.setMessage(value);
+      }
+      aggregationResultCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Result for pairwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PairwiseMetricResult pairwise_metric_result = 6;</code>
+     */
+    public Builder setPairwiseMetricResult(
+        com.google.cloud.aiplatform.v1.PairwiseMetricResult.Builder builderForValue) {
+      if (pairwiseMetricResultBuilder_ == null) {
+        aggregationResult_ = builderForValue.build();
+        onChanged();
+      } else {
+        pairwiseMetricResultBuilder_.setMessage(builderForValue.build());
+      }
+      aggregationResultCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Result for pairwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PairwiseMetricResult pairwise_metric_result = 6;</code>
+     */
+    public Builder mergePairwiseMetricResult(
+        com.google.cloud.aiplatform.v1.PairwiseMetricResult value) {
+      if (pairwiseMetricResultBuilder_ == null) {
+        if (aggregationResultCase_ == 6
+            && aggregationResult_
+                != com.google.cloud.aiplatform.v1.PairwiseMetricResult.getDefaultInstance()) {
+          aggregationResult_ =
+              com.google.cloud.aiplatform.v1.PairwiseMetricResult.newBuilder(
+                      (com.google.cloud.aiplatform.v1.PairwiseMetricResult) aggregationResult_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          aggregationResult_ = value;
+        }
+        onChanged();
+      } else {
+        if (aggregationResultCase_ == 6) {
+          pairwiseMetricResultBuilder_.mergeFrom(value);
+        } else {
+          pairwiseMetricResultBuilder_.setMessage(value);
+        }
+      }
+      aggregationResultCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Result for pairwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PairwiseMetricResult pairwise_metric_result = 6;</code>
+     */
+    public Builder clearPairwiseMetricResult() {
+      if (pairwiseMetricResultBuilder_ == null) {
+        if (aggregationResultCase_ == 6) {
+          aggregationResultCase_ = 0;
+          aggregationResult_ = null;
+          onChanged();
+        }
+      } else {
+        if (aggregationResultCase_ == 6) {
+          aggregationResultCase_ = 0;
+          aggregationResult_ = null;
+        }
+        pairwiseMetricResultBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Result for pairwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PairwiseMetricResult pairwise_metric_result = 6;</code>
+     */
+    public com.google.cloud.aiplatform.v1.PairwiseMetricResult.Builder
+        getPairwiseMetricResultBuilder() {
+      return internalGetPairwiseMetricResultFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Result for pairwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PairwiseMetricResult pairwise_metric_result = 6;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.PairwiseMetricResultOrBuilder
+        getPairwiseMetricResultOrBuilder() {
+      if ((aggregationResultCase_ == 6) && (pairwiseMetricResultBuilder_ != null)) {
+        return pairwiseMetricResultBuilder_.getMessageOrBuilder();
+      } else {
+        if (aggregationResultCase_ == 6) {
+          return (com.google.cloud.aiplatform.v1.PairwiseMetricResult) aggregationResult_;
+        }
+        return com.google.cloud.aiplatform.v1.PairwiseMetricResult.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Result for pairwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PairwiseMetricResult pairwise_metric_result = 6;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.PairwiseMetricResult,
+            com.google.cloud.aiplatform.v1.PairwiseMetricResult.Builder,
+            com.google.cloud.aiplatform.v1.PairwiseMetricResultOrBuilder>
+        internalGetPairwiseMetricResultFieldBuilder() {
+      if (pairwiseMetricResultBuilder_ == null) {
+        if (!(aggregationResultCase_ == 6)) {
+          aggregationResult_ =
+              com.google.cloud.aiplatform.v1.PairwiseMetricResult.getDefaultInstance();
+        }
+        pairwiseMetricResultBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.PairwiseMetricResult,
+                com.google.cloud.aiplatform.v1.PairwiseMetricResult.Builder,
+                com.google.cloud.aiplatform.v1.PairwiseMetricResultOrBuilder>(
+                (com.google.cloud.aiplatform.v1.PairwiseMetricResult) aggregationResult_,
+                getParentForChildren(),
+                isClean());
+        aggregationResult_ = null;
+      }
+      aggregationResultCase_ = 6;
+      onChanged();
+      return pairwiseMetricResultBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.ExactMatchMetricValue,
+            com.google.cloud.aiplatform.v1.ExactMatchMetricValue.Builder,
+            com.google.cloud.aiplatform.v1.ExactMatchMetricValueOrBuilder>
+        exactMatchMetricValueBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for exact match metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ExactMatchMetricValue exact_match_metric_value = 7;</code>
+     *
+     * @return Whether the exactMatchMetricValue field is set.
+     */
+    @java.lang.Override
+    public boolean hasExactMatchMetricValue() {
+      return aggregationResultCase_ == 7;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for exact match metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ExactMatchMetricValue exact_match_metric_value = 7;</code>
+     *
+     * @return The exactMatchMetricValue.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ExactMatchMetricValue getExactMatchMetricValue() {
+      if (exactMatchMetricValueBuilder_ == null) {
+        if (aggregationResultCase_ == 7) {
+          return (com.google.cloud.aiplatform.v1.ExactMatchMetricValue) aggregationResult_;
+        }
+        return com.google.cloud.aiplatform.v1.ExactMatchMetricValue.getDefaultInstance();
+      } else {
+        if (aggregationResultCase_ == 7) {
+          return exactMatchMetricValueBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.ExactMatchMetricValue.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for exact match metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ExactMatchMetricValue exact_match_metric_value = 7;</code>
+     */
+    public Builder setExactMatchMetricValue(
+        com.google.cloud.aiplatform.v1.ExactMatchMetricValue value) {
+      if (exactMatchMetricValueBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        aggregationResult_ = value;
+        onChanged();
+      } else {
+        exactMatchMetricValueBuilder_.setMessage(value);
+      }
+      aggregationResultCase_ = 7;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for exact match metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ExactMatchMetricValue exact_match_metric_value = 7;</code>
+     */
+    public Builder setExactMatchMetricValue(
+        com.google.cloud.aiplatform.v1.ExactMatchMetricValue.Builder builderForValue) {
+      if (exactMatchMetricValueBuilder_ == null) {
+        aggregationResult_ = builderForValue.build();
+        onChanged();
+      } else {
+        exactMatchMetricValueBuilder_.setMessage(builderForValue.build());
+      }
+      aggregationResultCase_ = 7;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for exact match metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ExactMatchMetricValue exact_match_metric_value = 7;</code>
+     */
+    public Builder mergeExactMatchMetricValue(
+        com.google.cloud.aiplatform.v1.ExactMatchMetricValue value) {
+      if (exactMatchMetricValueBuilder_ == null) {
+        if (aggregationResultCase_ == 7
+            && aggregationResult_
+                != com.google.cloud.aiplatform.v1.ExactMatchMetricValue.getDefaultInstance()) {
+          aggregationResult_ =
+              com.google.cloud.aiplatform.v1.ExactMatchMetricValue.newBuilder(
+                      (com.google.cloud.aiplatform.v1.ExactMatchMetricValue) aggregationResult_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          aggregationResult_ = value;
+        }
+        onChanged();
+      } else {
+        if (aggregationResultCase_ == 7) {
+          exactMatchMetricValueBuilder_.mergeFrom(value);
+        } else {
+          exactMatchMetricValueBuilder_.setMessage(value);
+        }
+      }
+      aggregationResultCase_ = 7;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for exact match metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ExactMatchMetricValue exact_match_metric_value = 7;</code>
+     */
+    public Builder clearExactMatchMetricValue() {
+      if (exactMatchMetricValueBuilder_ == null) {
+        if (aggregationResultCase_ == 7) {
+          aggregationResultCase_ = 0;
+          aggregationResult_ = null;
+          onChanged();
+        }
+      } else {
+        if (aggregationResultCase_ == 7) {
+          aggregationResultCase_ = 0;
+          aggregationResult_ = null;
+        }
+        exactMatchMetricValueBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for exact match metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ExactMatchMetricValue exact_match_metric_value = 7;</code>
+     */
+    public com.google.cloud.aiplatform.v1.ExactMatchMetricValue.Builder
+        getExactMatchMetricValueBuilder() {
+      return internalGetExactMatchMetricValueFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for exact match metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ExactMatchMetricValue exact_match_metric_value = 7;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ExactMatchMetricValueOrBuilder
+        getExactMatchMetricValueOrBuilder() {
+      if ((aggregationResultCase_ == 7) && (exactMatchMetricValueBuilder_ != null)) {
+        return exactMatchMetricValueBuilder_.getMessageOrBuilder();
+      } else {
+        if (aggregationResultCase_ == 7) {
+          return (com.google.cloud.aiplatform.v1.ExactMatchMetricValue) aggregationResult_;
+        }
+        return com.google.cloud.aiplatform.v1.ExactMatchMetricValue.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for exact match metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ExactMatchMetricValue exact_match_metric_value = 7;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.ExactMatchMetricValue,
+            com.google.cloud.aiplatform.v1.ExactMatchMetricValue.Builder,
+            com.google.cloud.aiplatform.v1.ExactMatchMetricValueOrBuilder>
+        internalGetExactMatchMetricValueFieldBuilder() {
+      if (exactMatchMetricValueBuilder_ == null) {
+        if (!(aggregationResultCase_ == 7)) {
+          aggregationResult_ =
+              com.google.cloud.aiplatform.v1.ExactMatchMetricValue.getDefaultInstance();
+        }
+        exactMatchMetricValueBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.ExactMatchMetricValue,
+                com.google.cloud.aiplatform.v1.ExactMatchMetricValue.Builder,
+                com.google.cloud.aiplatform.v1.ExactMatchMetricValueOrBuilder>(
+                (com.google.cloud.aiplatform.v1.ExactMatchMetricValue) aggregationResult_,
+                getParentForChildren(),
+                isClean());
+        aggregationResult_ = null;
+      }
+      aggregationResultCase_ = 7;
+      onChanged();
+      return exactMatchMetricValueBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.BleuMetricValue,
+            com.google.cloud.aiplatform.v1.BleuMetricValue.Builder,
+            com.google.cloud.aiplatform.v1.BleuMetricValueOrBuilder>
+        bleuMetricValueBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for bleu metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BleuMetricValue bleu_metric_value = 8;</code>
+     *
+     * @return Whether the bleuMetricValue field is set.
+     */
+    @java.lang.Override
+    public boolean hasBleuMetricValue() {
+      return aggregationResultCase_ == 8;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for bleu metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BleuMetricValue bleu_metric_value = 8;</code>
+     *
+     * @return The bleuMetricValue.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.BleuMetricValue getBleuMetricValue() {
+      if (bleuMetricValueBuilder_ == null) {
+        if (aggregationResultCase_ == 8) {
+          return (com.google.cloud.aiplatform.v1.BleuMetricValue) aggregationResult_;
+        }
+        return com.google.cloud.aiplatform.v1.BleuMetricValue.getDefaultInstance();
+      } else {
+        if (aggregationResultCase_ == 8) {
+          return bleuMetricValueBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.BleuMetricValue.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for bleu metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BleuMetricValue bleu_metric_value = 8;</code>
+     */
+    public Builder setBleuMetricValue(com.google.cloud.aiplatform.v1.BleuMetricValue value) {
+      if (bleuMetricValueBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        aggregationResult_ = value;
+        onChanged();
+      } else {
+        bleuMetricValueBuilder_.setMessage(value);
+      }
+      aggregationResultCase_ = 8;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for bleu metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BleuMetricValue bleu_metric_value = 8;</code>
+     */
+    public Builder setBleuMetricValue(
+        com.google.cloud.aiplatform.v1.BleuMetricValue.Builder builderForValue) {
+      if (bleuMetricValueBuilder_ == null) {
+        aggregationResult_ = builderForValue.build();
+        onChanged();
+      } else {
+        bleuMetricValueBuilder_.setMessage(builderForValue.build());
+      }
+      aggregationResultCase_ = 8;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for bleu metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BleuMetricValue bleu_metric_value = 8;</code>
+     */
+    public Builder mergeBleuMetricValue(com.google.cloud.aiplatform.v1.BleuMetricValue value) {
+      if (bleuMetricValueBuilder_ == null) {
+        if (aggregationResultCase_ == 8
+            && aggregationResult_
+                != com.google.cloud.aiplatform.v1.BleuMetricValue.getDefaultInstance()) {
+          aggregationResult_ =
+              com.google.cloud.aiplatform.v1.BleuMetricValue.newBuilder(
+                      (com.google.cloud.aiplatform.v1.BleuMetricValue) aggregationResult_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          aggregationResult_ = value;
+        }
+        onChanged();
+      } else {
+        if (aggregationResultCase_ == 8) {
+          bleuMetricValueBuilder_.mergeFrom(value);
+        } else {
+          bleuMetricValueBuilder_.setMessage(value);
+        }
+      }
+      aggregationResultCase_ = 8;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for bleu metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BleuMetricValue bleu_metric_value = 8;</code>
+     */
+    public Builder clearBleuMetricValue() {
+      if (bleuMetricValueBuilder_ == null) {
+        if (aggregationResultCase_ == 8) {
+          aggregationResultCase_ = 0;
+          aggregationResult_ = null;
+          onChanged();
+        }
+      } else {
+        if (aggregationResultCase_ == 8) {
+          aggregationResultCase_ = 0;
+          aggregationResult_ = null;
+        }
+        bleuMetricValueBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for bleu metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BleuMetricValue bleu_metric_value = 8;</code>
+     */
+    public com.google.cloud.aiplatform.v1.BleuMetricValue.Builder getBleuMetricValueBuilder() {
+      return internalGetBleuMetricValueFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for bleu metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BleuMetricValue bleu_metric_value = 8;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.BleuMetricValueOrBuilder getBleuMetricValueOrBuilder() {
+      if ((aggregationResultCase_ == 8) && (bleuMetricValueBuilder_ != null)) {
+        return bleuMetricValueBuilder_.getMessageOrBuilder();
+      } else {
+        if (aggregationResultCase_ == 8) {
+          return (com.google.cloud.aiplatform.v1.BleuMetricValue) aggregationResult_;
+        }
+        return com.google.cloud.aiplatform.v1.BleuMetricValue.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for bleu metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BleuMetricValue bleu_metric_value = 8;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.BleuMetricValue,
+            com.google.cloud.aiplatform.v1.BleuMetricValue.Builder,
+            com.google.cloud.aiplatform.v1.BleuMetricValueOrBuilder>
+        internalGetBleuMetricValueFieldBuilder() {
+      if (bleuMetricValueBuilder_ == null) {
+        if (!(aggregationResultCase_ == 8)) {
+          aggregationResult_ = com.google.cloud.aiplatform.v1.BleuMetricValue.getDefaultInstance();
+        }
+        bleuMetricValueBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.BleuMetricValue,
+                com.google.cloud.aiplatform.v1.BleuMetricValue.Builder,
+                com.google.cloud.aiplatform.v1.BleuMetricValueOrBuilder>(
+                (com.google.cloud.aiplatform.v1.BleuMetricValue) aggregationResult_,
+                getParentForChildren(),
+                isClean());
+        aggregationResult_ = null;
+      }
+      aggregationResultCase_ = 8;
+      onChanged();
+      return bleuMetricValueBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.RougeMetricValue,
+            com.google.cloud.aiplatform.v1.RougeMetricValue.Builder,
+            com.google.cloud.aiplatform.v1.RougeMetricValueOrBuilder>
+        rougeMetricValueBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for rouge metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.RougeMetricValue rouge_metric_value = 9;</code>
+     *
+     * @return Whether the rougeMetricValue field is set.
+     */
+    @java.lang.Override
+    public boolean hasRougeMetricValue() {
+      return aggregationResultCase_ == 9;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for rouge metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.RougeMetricValue rouge_metric_value = 9;</code>
+     *
+     * @return The rougeMetricValue.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.RougeMetricValue getRougeMetricValue() {
+      if (rougeMetricValueBuilder_ == null) {
+        if (aggregationResultCase_ == 9) {
+          return (com.google.cloud.aiplatform.v1.RougeMetricValue) aggregationResult_;
+        }
+        return com.google.cloud.aiplatform.v1.RougeMetricValue.getDefaultInstance();
+      } else {
+        if (aggregationResultCase_ == 9) {
+          return rougeMetricValueBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.RougeMetricValue.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for rouge metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.RougeMetricValue rouge_metric_value = 9;</code>
+     */
+    public Builder setRougeMetricValue(com.google.cloud.aiplatform.v1.RougeMetricValue value) {
+      if (rougeMetricValueBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        aggregationResult_ = value;
+        onChanged();
+      } else {
+        rougeMetricValueBuilder_.setMessage(value);
+      }
+      aggregationResultCase_ = 9;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for rouge metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.RougeMetricValue rouge_metric_value = 9;</code>
+     */
+    public Builder setRougeMetricValue(
+        com.google.cloud.aiplatform.v1.RougeMetricValue.Builder builderForValue) {
+      if (rougeMetricValueBuilder_ == null) {
+        aggregationResult_ = builderForValue.build();
+        onChanged();
+      } else {
+        rougeMetricValueBuilder_.setMessage(builderForValue.build());
+      }
+      aggregationResultCase_ = 9;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for rouge metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.RougeMetricValue rouge_metric_value = 9;</code>
+     */
+    public Builder mergeRougeMetricValue(com.google.cloud.aiplatform.v1.RougeMetricValue value) {
+      if (rougeMetricValueBuilder_ == null) {
+        if (aggregationResultCase_ == 9
+            && aggregationResult_
+                != com.google.cloud.aiplatform.v1.RougeMetricValue.getDefaultInstance()) {
+          aggregationResult_ =
+              com.google.cloud.aiplatform.v1.RougeMetricValue.newBuilder(
+                      (com.google.cloud.aiplatform.v1.RougeMetricValue) aggregationResult_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          aggregationResult_ = value;
+        }
+        onChanged();
+      } else {
+        if (aggregationResultCase_ == 9) {
+          rougeMetricValueBuilder_.mergeFrom(value);
+        } else {
+          rougeMetricValueBuilder_.setMessage(value);
+        }
+      }
+      aggregationResultCase_ = 9;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for rouge metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.RougeMetricValue rouge_metric_value = 9;</code>
+     */
+    public Builder clearRougeMetricValue() {
+      if (rougeMetricValueBuilder_ == null) {
+        if (aggregationResultCase_ == 9) {
+          aggregationResultCase_ = 0;
+          aggregationResult_ = null;
+          onChanged();
+        }
+      } else {
+        if (aggregationResultCase_ == 9) {
+          aggregationResultCase_ = 0;
+          aggregationResult_ = null;
+        }
+        rougeMetricValueBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for rouge metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.RougeMetricValue rouge_metric_value = 9;</code>
+     */
+    public com.google.cloud.aiplatform.v1.RougeMetricValue.Builder getRougeMetricValueBuilder() {
+      return internalGetRougeMetricValueFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for rouge metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.RougeMetricValue rouge_metric_value = 9;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.RougeMetricValueOrBuilder getRougeMetricValueOrBuilder() {
+      if ((aggregationResultCase_ == 9) && (rougeMetricValueBuilder_ != null)) {
+        return rougeMetricValueBuilder_.getMessageOrBuilder();
+      } else {
+        if (aggregationResultCase_ == 9) {
+          return (com.google.cloud.aiplatform.v1.RougeMetricValue) aggregationResult_;
+        }
+        return com.google.cloud.aiplatform.v1.RougeMetricValue.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Results for rouge metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.RougeMetricValue rouge_metric_value = 9;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.RougeMetricValue,
+            com.google.cloud.aiplatform.v1.RougeMetricValue.Builder,
+            com.google.cloud.aiplatform.v1.RougeMetricValueOrBuilder>
+        internalGetRougeMetricValueFieldBuilder() {
+      if (rougeMetricValueBuilder_ == null) {
+        if (!(aggregationResultCase_ == 9)) {
+          aggregationResult_ = com.google.cloud.aiplatform.v1.RougeMetricValue.getDefaultInstance();
+        }
+        rougeMetricValueBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.RougeMetricValue,
+                com.google.cloud.aiplatform.v1.RougeMetricValue.Builder,
+                com.google.cloud.aiplatform.v1.RougeMetricValueOrBuilder>(
+                (com.google.cloud.aiplatform.v1.RougeMetricValue) aggregationResult_,
+                getParentForChildren(),
+                isClean());
+        aggregationResult_ = null;
+      }
+      aggregationResultCase_ = 9;
+      onChanged();
+      return rougeMetricValueBuilder_;
+    }
+
+    private int aggregationMetric_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Aggregation metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metric = 4;</code>
+     *
+     * @return The enum numeric value on the wire for aggregationMetric.
+     */
+    @java.lang.Override
+    public int getAggregationMetricValue() {
+      return aggregationMetric_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Aggregation metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metric = 4;</code>
+     *
+     * @param value The enum numeric value on the wire for aggregationMetric to set.
+     * @return This builder for chaining.
+     */
+    public Builder setAggregationMetricValue(int value) {
+      aggregationMetric_ = value;
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Aggregation metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metric = 4;</code>
+     *
+     * @return The aggregationMetric.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.Metric.AggregationMetric getAggregationMetric() {
+      com.google.cloud.aiplatform.v1.Metric.AggregationMetric result =
+          com.google.cloud.aiplatform.v1.Metric.AggregationMetric.forNumber(aggregationMetric_);
+      return result == null
+          ? com.google.cloud.aiplatform.v1.Metric.AggregationMetric.UNRECOGNIZED
+          : result;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Aggregation metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metric = 4;</code>
+     *
+     * @param value The aggregationMetric to set.
+     * @return This builder for chaining.
+     */
+    public Builder setAggregationMetric(
+        com.google.cloud.aiplatform.v1.Metric.AggregationMetric value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      bitField0_ |= 0x00000020;
+      aggregationMetric_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Aggregation metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metric = 4;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearAggregationMetric() {
+      bitField0_ = (bitField0_ & ~0x00000020);
+      aggregationMetric_ = 0;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.AggregationResult)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.aiplatform.v1.AggregationResult)
+  private static final com.google.cloud.aiplatform.v1.AggregationResult DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.aiplatform.v1.AggregationResult();
+  }
+
+  public static com.google.cloud.aiplatform.v1.AggregationResult getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<AggregationResult> PARSER =
+      new com.google.protobuf.AbstractParser<AggregationResult>() {
+        @java.lang.Override
+        public AggregationResult parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<AggregationResult> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<AggregationResult> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.AggregationResult getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/AggregationResultOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/AggregationResultOrBuilder.java
new file mode 100644
index 000000000000..2a28fbbe387c
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/AggregationResultOrBuilder.java
@@ -0,0 +1,241 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+@com.google.protobuf.Generated
+public interface AggregationResultOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.aiplatform.v1.AggregationResult)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Result for pointwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PointwiseMetricResult pointwise_metric_result = 5;</code>
+   *
+   * @return Whether the pointwiseMetricResult field is set.
+   */
+  boolean hasPointwiseMetricResult();
+
+  /**
+   *
+   *
+   * <pre>
+   * Result for pointwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PointwiseMetricResult pointwise_metric_result = 5;</code>
+   *
+   * @return The pointwiseMetricResult.
+   */
+  com.google.cloud.aiplatform.v1.PointwiseMetricResult getPointwiseMetricResult();
+
+  /**
+   *
+   *
+   * <pre>
+   * Result for pointwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PointwiseMetricResult pointwise_metric_result = 5;</code>
+   */
+  com.google.cloud.aiplatform.v1.PointwiseMetricResultOrBuilder getPointwiseMetricResultOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Result for pairwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PairwiseMetricResult pairwise_metric_result = 6;</code>
+   *
+   * @return Whether the pairwiseMetricResult field is set.
+   */
+  boolean hasPairwiseMetricResult();
+
+  /**
+   *
+   *
+   * <pre>
+   * Result for pairwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PairwiseMetricResult pairwise_metric_result = 6;</code>
+   *
+   * @return The pairwiseMetricResult.
+   */
+  com.google.cloud.aiplatform.v1.PairwiseMetricResult getPairwiseMetricResult();
+
+  /**
+   *
+   *
+   * <pre>
+   * Result for pairwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PairwiseMetricResult pairwise_metric_result = 6;</code>
+   */
+  com.google.cloud.aiplatform.v1.PairwiseMetricResultOrBuilder getPairwiseMetricResultOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Results for exact match metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ExactMatchMetricValue exact_match_metric_value = 7;</code>
+   *
+   * @return Whether the exactMatchMetricValue field is set.
+   */
+  boolean hasExactMatchMetricValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Results for exact match metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ExactMatchMetricValue exact_match_metric_value = 7;</code>
+   *
+   * @return The exactMatchMetricValue.
+   */
+  com.google.cloud.aiplatform.v1.ExactMatchMetricValue getExactMatchMetricValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Results for exact match metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ExactMatchMetricValue exact_match_metric_value = 7;</code>
+   */
+  com.google.cloud.aiplatform.v1.ExactMatchMetricValueOrBuilder getExactMatchMetricValueOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Results for bleu metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.BleuMetricValue bleu_metric_value = 8;</code>
+   *
+   * @return Whether the bleuMetricValue field is set.
+   */
+  boolean hasBleuMetricValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Results for bleu metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.BleuMetricValue bleu_metric_value = 8;</code>
+   *
+   * @return The bleuMetricValue.
+   */
+  com.google.cloud.aiplatform.v1.BleuMetricValue getBleuMetricValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Results for bleu metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.BleuMetricValue bleu_metric_value = 8;</code>
+   */
+  com.google.cloud.aiplatform.v1.BleuMetricValueOrBuilder getBleuMetricValueOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Results for rouge metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.RougeMetricValue rouge_metric_value = 9;</code>
+   *
+   * @return Whether the rougeMetricValue field is set.
+   */
+  boolean hasRougeMetricValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Results for rouge metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.RougeMetricValue rouge_metric_value = 9;</code>
+   *
+   * @return The rougeMetricValue.
+   */
+  com.google.cloud.aiplatform.v1.RougeMetricValue getRougeMetricValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Results for rouge metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.RougeMetricValue rouge_metric_value = 9;</code>
+   */
+  com.google.cloud.aiplatform.v1.RougeMetricValueOrBuilder getRougeMetricValueOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Aggregation metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metric = 4;</code>
+   *
+   * @return The enum numeric value on the wire for aggregationMetric.
+   */
+  int getAggregationMetricValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Aggregation metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metric = 4;</code>
+   *
+   * @return The aggregationMetric.
+   */
+  com.google.cloud.aiplatform.v1.Metric.AggregationMetric getAggregationMetric();
+
+  com.google.cloud.aiplatform.v1.AggregationResult.AggregationResultCase getAggregationResultCase();
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/AutoraterConfig.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/AutoraterConfig.java
new file mode 100644
index 000000000000..f702343fe6c4
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/AutoraterConfig.java
@@ -0,0 +1,1277 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * The configs for autorater. This is applicable to both EvaluateInstances and
+ * EvaluateDataset.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.aiplatform.v1.AutoraterConfig}
+ */
+@com.google.protobuf.Generated
+public final class AutoraterConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.aiplatform.v1.AutoraterConfig)
+    AutoraterConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "AutoraterConfig");
+  }
+
+  // Use AutoraterConfig.newBuilder() to construct.
+  private AutoraterConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private AutoraterConfig() {
+    autoraterModel_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_AutoraterConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_AutoraterConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.aiplatform.v1.AutoraterConfig.class,
+            com.google.cloud.aiplatform.v1.AutoraterConfig.Builder.class);
+  }
+
+  private int bitField0_;
+  public static final int SAMPLING_COUNT_FIELD_NUMBER = 1;
+  private int samplingCount_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Number of samples for each instance in the dataset.
+   * If not specified, the default is 4. Minimum value is 1, maximum value
+   * is 32.
+   * </pre>
+   *
+   * <code>optional int32 sampling_count = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the samplingCount field is set.
+   */
+  @java.lang.Override
+  public boolean hasSamplingCount() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Number of samples for each instance in the dataset.
+   * If not specified, the default is 4. Minimum value is 1, maximum value
+   * is 32.
+   * </pre>
+   *
+   * <code>optional int32 sampling_count = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The samplingCount.
+   */
+  @java.lang.Override
+  public int getSamplingCount() {
+    return samplingCount_;
+  }
+
+  public static final int FLIP_ENABLED_FIELD_NUMBER = 2;
+  private boolean flipEnabled_ = false;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Default is true. Whether to flip the candidate and baseline
+   * responses. This is only applicable to the pairwise metric. If enabled, also
+   * provide PairwiseMetricSpec.candidate_response_field_name and
+   * PairwiseMetricSpec.baseline_response_field_name. When rendering
+   * PairwiseMetricSpec.metric_prompt_template, the candidate and baseline
+   * fields will be flipped for half of the samples to reduce bias.
+   * </pre>
+   *
+   * <code>optional bool flip_enabled = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the flipEnabled field is set.
+   */
+  @java.lang.Override
+  public boolean hasFlipEnabled() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Default is true. Whether to flip the candidate and baseline
+   * responses. This is only applicable to the pairwise metric. If enabled, also
+   * provide PairwiseMetricSpec.candidate_response_field_name and
+   * PairwiseMetricSpec.baseline_response_field_name. When rendering
+   * PairwiseMetricSpec.metric_prompt_template, the candidate and baseline
+   * fields will be flipped for half of the samples to reduce bias.
+   * </pre>
+   *
+   * <code>optional bool flip_enabled = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The flipEnabled.
+   */
+  @java.lang.Override
+  public boolean getFlipEnabled() {
+    return flipEnabled_;
+  }
+
+  public static final int AUTORATER_MODEL_FIELD_NUMBER = 3;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object autoraterModel_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The fully qualified name of the publisher model or tuned
+   * autorater endpoint to use.
+   *
+   * Publisher model format:
+   * `projects/{project}/locations/{location}/publishers/&#42;&#47;models/&#42;`
+   *
+   * Tuned model endpoint format:
+   * `projects/{project}/locations/{location}/endpoints/{endpoint}`
+   * </pre>
+   *
+   * <code>string autorater_model = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The autoraterModel.
+   */
+  @java.lang.Override
+  public java.lang.String getAutoraterModel() {
+    java.lang.Object ref = autoraterModel_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      autoraterModel_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The fully qualified name of the publisher model or tuned
+   * autorater endpoint to use.
+   *
+   * Publisher model format:
+   * `projects/{project}/locations/{location}/publishers/&#42;&#47;models/&#42;`
+   *
+   * Tuned model endpoint format:
+   * `projects/{project}/locations/{location}/endpoints/{endpoint}`
+   * </pre>
+   *
+   * <code>string autorater_model = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for autoraterModel.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getAutoraterModelBytes() {
+    java.lang.Object ref = autoraterModel_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      autoraterModel_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int GENERATION_CONFIG_FIELD_NUMBER = 4;
+  private com.google.cloud.aiplatform.v1.GenerationConfig generationConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Configuration options for model generation and outputs.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.GenerationConfig generation_config = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the generationConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasGenerationConfig() {
+    return ((bitField0_ & 0x00000004) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Configuration options for model generation and outputs.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.GenerationConfig generation_config = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The generationConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.GenerationConfig getGenerationConfig() {
+    return generationConfig_ == null
+        ? com.google.cloud.aiplatform.v1.GenerationConfig.getDefaultInstance()
+        : generationConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Configuration options for model generation and outputs.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.GenerationConfig generation_config = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.GenerationConfigOrBuilder getGenerationConfigOrBuilder() {
+    return generationConfig_ == null
+        ? com.google.cloud.aiplatform.v1.GenerationConfig.getDefaultInstance()
+        : generationConfig_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeInt32(1, samplingCount_);
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeBool(2, flipEnabled_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(autoraterModel_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, autoraterModel_);
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      output.writeMessage(4, getGenerationConfig());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeInt32Size(1, samplingCount_);
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeBoolSize(2, flipEnabled_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(autoraterModel_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(3, autoraterModel_);
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, getGenerationConfig());
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.aiplatform.v1.AutoraterConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.aiplatform.v1.AutoraterConfig other =
+        (com.google.cloud.aiplatform.v1.AutoraterConfig) obj;
+
+    if (hasSamplingCount() != other.hasSamplingCount()) return false;
+    if (hasSamplingCount()) {
+      if (getSamplingCount() != other.getSamplingCount()) return false;
+    }
+    if (hasFlipEnabled() != other.hasFlipEnabled()) return false;
+    if (hasFlipEnabled()) {
+      if (getFlipEnabled() != other.getFlipEnabled()) return false;
+    }
+    if (!getAutoraterModel().equals(other.getAutoraterModel())) return false;
+    if (hasGenerationConfig() != other.hasGenerationConfig()) return false;
+    if (hasGenerationConfig()) {
+      if (!getGenerationConfig().equals(other.getGenerationConfig())) return false;
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasSamplingCount()) {
+      hash = (37 * hash) + SAMPLING_COUNT_FIELD_NUMBER;
+      hash = (53 * hash) + getSamplingCount();
+    }
+    if (hasFlipEnabled()) {
+      hash = (37 * hash) + FLIP_ENABLED_FIELD_NUMBER;
+      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getFlipEnabled());
+    }
+    hash = (37 * hash) + AUTORATER_MODEL_FIELD_NUMBER;
+    hash = (53 * hash) + getAutoraterModel().hashCode();
+    if (hasGenerationConfig()) {
+      hash = (37 * hash) + GENERATION_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getGenerationConfig().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.aiplatform.v1.AutoraterConfig parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AutoraterConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AutoraterConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AutoraterConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AutoraterConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AutoraterConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AutoraterConfig parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AutoraterConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AutoraterConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AutoraterConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AutoraterConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.AutoraterConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.aiplatform.v1.AutoraterConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The configs for autorater. This is applicable to both EvaluateInstances and
+   * EvaluateDataset.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.aiplatform.v1.AutoraterConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.aiplatform.v1.AutoraterConfig)
+      com.google.cloud.aiplatform.v1.AutoraterConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_AutoraterConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_AutoraterConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.aiplatform.v1.AutoraterConfig.class,
+              com.google.cloud.aiplatform.v1.AutoraterConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.aiplatform.v1.AutoraterConfig.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetGenerationConfigFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      samplingCount_ = 0;
+      flipEnabled_ = false;
+      autoraterModel_ = "";
+      generationConfig_ = null;
+      if (generationConfigBuilder_ != null) {
+        generationConfigBuilder_.dispose();
+        generationConfigBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_AutoraterConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.AutoraterConfig getDefaultInstanceForType() {
+      return com.google.cloud.aiplatform.v1.AutoraterConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.AutoraterConfig build() {
+      com.google.cloud.aiplatform.v1.AutoraterConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.AutoraterConfig buildPartial() {
+      com.google.cloud.aiplatform.v1.AutoraterConfig result =
+          new com.google.cloud.aiplatform.v1.AutoraterConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.aiplatform.v1.AutoraterConfig result) {
+      int from_bitField0_ = bitField0_;
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.samplingCount_ = samplingCount_;
+        to_bitField0_ |= 0x00000001;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.flipEnabled_ = flipEnabled_;
+        to_bitField0_ |= 0x00000002;
+      }
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.autoraterModel_ = autoraterModel_;
+      }
+      if (((from_bitField0_ & 0x00000008) != 0)) {
+        result.generationConfig_ =
+            generationConfigBuilder_ == null ? generationConfig_ : generationConfigBuilder_.build();
+        to_bitField0_ |= 0x00000004;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.aiplatform.v1.AutoraterConfig) {
+        return mergeFrom((com.google.cloud.aiplatform.v1.AutoraterConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.aiplatform.v1.AutoraterConfig other) {
+      if (other == com.google.cloud.aiplatform.v1.AutoraterConfig.getDefaultInstance()) return this;
+      if (other.hasSamplingCount()) {
+        setSamplingCount(other.getSamplingCount());
+      }
+      if (other.hasFlipEnabled()) {
+        setFlipEnabled(other.getFlipEnabled());
+      }
+      if (!other.getAutoraterModel().isEmpty()) {
+        autoraterModel_ = other.autoraterModel_;
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      if (other.hasGenerationConfig()) {
+        mergeGenerationConfig(other.getGenerationConfig());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 8:
+              {
+                samplingCount_ = input.readInt32();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 8
+            case 16:
+              {
+                flipEnabled_ = input.readBool();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 16
+            case 26:
+              {
+                autoraterModel_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 26
+            case 34:
+              {
+                input.readMessage(
+                    internalGetGenerationConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 34
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private int samplingCount_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Number of samples for each instance in the dataset.
+     * If not specified, the default is 4. Minimum value is 1, maximum value
+     * is 32.
+     * </pre>
+     *
+     * <code>optional int32 sampling_count = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the samplingCount field is set.
+     */
+    @java.lang.Override
+    public boolean hasSamplingCount() {
+      return ((bitField0_ & 0x00000001) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Number of samples for each instance in the dataset.
+     * If not specified, the default is 4. Minimum value is 1, maximum value
+     * is 32.
+     * </pre>
+     *
+     * <code>optional int32 sampling_count = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The samplingCount.
+     */
+    @java.lang.Override
+    public int getSamplingCount() {
+      return samplingCount_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Number of samples for each instance in the dataset.
+     * If not specified, the default is 4. Minimum value is 1, maximum value
+     * is 32.
+     * </pre>
+     *
+     * <code>optional int32 sampling_count = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The samplingCount to set.
+     * @return This builder for chaining.
+     */
+    public Builder setSamplingCount(int value) {
+
+      samplingCount_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Number of samples for each instance in the dataset.
+     * If not specified, the default is 4. Minimum value is 1, maximum value
+     * is 32.
+     * </pre>
+     *
+     * <code>optional int32 sampling_count = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearSamplingCount() {
+      bitField0_ = (bitField0_ & ~0x00000001);
+      samplingCount_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private boolean flipEnabled_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Default is true. Whether to flip the candidate and baseline
+     * responses. This is only applicable to the pairwise metric. If enabled, also
+     * provide PairwiseMetricSpec.candidate_response_field_name and
+     * PairwiseMetricSpec.baseline_response_field_name. When rendering
+     * PairwiseMetricSpec.metric_prompt_template, the candidate and baseline
+     * fields will be flipped for half of the samples to reduce bias.
+     * </pre>
+     *
+     * <code>optional bool flip_enabled = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the flipEnabled field is set.
+     */
+    @java.lang.Override
+    public boolean hasFlipEnabled() {
+      return ((bitField0_ & 0x00000002) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Default is true. Whether to flip the candidate and baseline
+     * responses. This is only applicable to the pairwise metric. If enabled, also
+     * provide PairwiseMetricSpec.candidate_response_field_name and
+     * PairwiseMetricSpec.baseline_response_field_name. When rendering
+     * PairwiseMetricSpec.metric_prompt_template, the candidate and baseline
+     * fields will be flipped for half of the samples to reduce bias.
+     * </pre>
+     *
+     * <code>optional bool flip_enabled = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The flipEnabled.
+     */
+    @java.lang.Override
+    public boolean getFlipEnabled() {
+      return flipEnabled_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Default is true. Whether to flip the candidate and baseline
+     * responses. This is only applicable to the pairwise metric. If enabled, also
+     * provide PairwiseMetricSpec.candidate_response_field_name and
+     * PairwiseMetricSpec.baseline_response_field_name. When rendering
+     * PairwiseMetricSpec.metric_prompt_template, the candidate and baseline
+     * fields will be flipped for half of the samples to reduce bias.
+     * </pre>
+     *
+     * <code>optional bool flip_enabled = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The flipEnabled to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFlipEnabled(boolean value) {
+
+      flipEnabled_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Default is true. Whether to flip the candidate and baseline
+     * responses. This is only applicable to the pairwise metric. If enabled, also
+     * provide PairwiseMetricSpec.candidate_response_field_name and
+     * PairwiseMetricSpec.baseline_response_field_name. When rendering
+     * PairwiseMetricSpec.metric_prompt_template, the candidate and baseline
+     * fields will be flipped for half of the samples to reduce bias.
+     * </pre>
+     *
+     * <code>optional bool flip_enabled = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearFlipEnabled() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      flipEnabled_ = false;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object autoraterModel_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The fully qualified name of the publisher model or tuned
+     * autorater endpoint to use.
+     *
+     * Publisher model format:
+     * `projects/{project}/locations/{location}/publishers/&#42;&#47;models/&#42;`
+     *
+     * Tuned model endpoint format:
+     * `projects/{project}/locations/{location}/endpoints/{endpoint}`
+     * </pre>
+     *
+     * <code>string autorater_model = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The autoraterModel.
+     */
+    public java.lang.String getAutoraterModel() {
+      java.lang.Object ref = autoraterModel_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        autoraterModel_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The fully qualified name of the publisher model or tuned
+     * autorater endpoint to use.
+     *
+     * Publisher model format:
+     * `projects/{project}/locations/{location}/publishers/&#42;&#47;models/&#42;`
+     *
+     * Tuned model endpoint format:
+     * `projects/{project}/locations/{location}/endpoints/{endpoint}`
+     * </pre>
+     *
+     * <code>string autorater_model = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for autoraterModel.
+     */
+    public com.google.protobuf.ByteString getAutoraterModelBytes() {
+      java.lang.Object ref = autoraterModel_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        autoraterModel_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The fully qualified name of the publisher model or tuned
+     * autorater endpoint to use.
+     *
+     * Publisher model format:
+     * `projects/{project}/locations/{location}/publishers/&#42;&#47;models/&#42;`
+     *
+     * Tuned model endpoint format:
+     * `projects/{project}/locations/{location}/endpoints/{endpoint}`
+     * </pre>
+     *
+     * <code>string autorater_model = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The autoraterModel to set.
+     * @return This builder for chaining.
+     */
+    public Builder setAutoraterModel(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      autoraterModel_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The fully qualified name of the publisher model or tuned
+     * autorater endpoint to use.
+     *
+     * Publisher model format:
+     * `projects/{project}/locations/{location}/publishers/&#42;&#47;models/&#42;`
+     *
+     * Tuned model endpoint format:
+     * `projects/{project}/locations/{location}/endpoints/{endpoint}`
+     * </pre>
+     *
+     * <code>string autorater_model = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearAutoraterModel() {
+      autoraterModel_ = getDefaultInstance().getAutoraterModel();
+      bitField0_ = (bitField0_ & ~0x00000004);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The fully qualified name of the publisher model or tuned
+     * autorater endpoint to use.
+     *
+     * Publisher model format:
+     * `projects/{project}/locations/{location}/publishers/&#42;&#47;models/&#42;`
+     *
+     * Tuned model endpoint format:
+     * `projects/{project}/locations/{location}/endpoints/{endpoint}`
+     * </pre>
+     *
+     * <code>string autorater_model = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for autoraterModel to set.
+     * @return This builder for chaining.
+     */
+    public Builder setAutoraterModelBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      autoraterModel_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    private com.google.cloud.aiplatform.v1.GenerationConfig generationConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.GenerationConfig,
+            com.google.cloud.aiplatform.v1.GenerationConfig.Builder,
+            com.google.cloud.aiplatform.v1.GenerationConfigOrBuilder>
+        generationConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration options for model generation and outputs.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.GenerationConfig generation_config = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the generationConfig field is set.
+     */
+    public boolean hasGenerationConfig() {
+      return ((bitField0_ & 0x00000008) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration options for model generation and outputs.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.GenerationConfig generation_config = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The generationConfig.
+     */
+    public com.google.cloud.aiplatform.v1.GenerationConfig getGenerationConfig() {
+      if (generationConfigBuilder_ == null) {
+        return generationConfig_ == null
+            ? com.google.cloud.aiplatform.v1.GenerationConfig.getDefaultInstance()
+            : generationConfig_;
+      } else {
+        return generationConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration options for model generation and outputs.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.GenerationConfig generation_config = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setGenerationConfig(com.google.cloud.aiplatform.v1.GenerationConfig value) {
+      if (generationConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        generationConfig_ = value;
+      } else {
+        generationConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration options for model generation and outputs.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.GenerationConfig generation_config = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setGenerationConfig(
+        com.google.cloud.aiplatform.v1.GenerationConfig.Builder builderForValue) {
+      if (generationConfigBuilder_ == null) {
+        generationConfig_ = builderForValue.build();
+      } else {
+        generationConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration options for model generation and outputs.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.GenerationConfig generation_config = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeGenerationConfig(com.google.cloud.aiplatform.v1.GenerationConfig value) {
+      if (generationConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000008) != 0)
+            && generationConfig_ != null
+            && generationConfig_
+                != com.google.cloud.aiplatform.v1.GenerationConfig.getDefaultInstance()) {
+          getGenerationConfigBuilder().mergeFrom(value);
+        } else {
+          generationConfig_ = value;
+        }
+      } else {
+        generationConfigBuilder_.mergeFrom(value);
+      }
+      if (generationConfig_ != null) {
+        bitField0_ |= 0x00000008;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration options for model generation and outputs.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.GenerationConfig generation_config = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearGenerationConfig() {
+      bitField0_ = (bitField0_ & ~0x00000008);
+      generationConfig_ = null;
+      if (generationConfigBuilder_ != null) {
+        generationConfigBuilder_.dispose();
+        generationConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration options for model generation and outputs.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.GenerationConfig generation_config = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.GenerationConfig.Builder getGenerationConfigBuilder() {
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return internalGetGenerationConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration options for model generation and outputs.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.GenerationConfig generation_config = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.GenerationConfigOrBuilder getGenerationConfigOrBuilder() {
+      if (generationConfigBuilder_ != null) {
+        return generationConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return generationConfig_ == null
+            ? com.google.cloud.aiplatform.v1.GenerationConfig.getDefaultInstance()
+            : generationConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration options for model generation and outputs.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.GenerationConfig generation_config = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.GenerationConfig,
+            com.google.cloud.aiplatform.v1.GenerationConfig.Builder,
+            com.google.cloud.aiplatform.v1.GenerationConfigOrBuilder>
+        internalGetGenerationConfigFieldBuilder() {
+      if (generationConfigBuilder_ == null) {
+        generationConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.GenerationConfig,
+                com.google.cloud.aiplatform.v1.GenerationConfig.Builder,
+                com.google.cloud.aiplatform.v1.GenerationConfigOrBuilder>(
+                getGenerationConfig(), getParentForChildren(), isClean());
+        generationConfig_ = null;
+      }
+      return generationConfigBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.AutoraterConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.aiplatform.v1.AutoraterConfig)
+  private static final com.google.cloud.aiplatform.v1.AutoraterConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.aiplatform.v1.AutoraterConfig();
+  }
+
+  public static com.google.cloud.aiplatform.v1.AutoraterConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<AutoraterConfig> PARSER =
+      new com.google.protobuf.AbstractParser<AutoraterConfig>() {
+        @java.lang.Override
+        public AutoraterConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<AutoraterConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<AutoraterConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.AutoraterConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/AutoraterConfigOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/AutoraterConfigOrBuilder.java
new file mode 100644
index 000000000000..ee9af184a6db
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/AutoraterConfigOrBuilder.java
@@ -0,0 +1,177 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+@com.google.protobuf.Generated
+public interface AutoraterConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.aiplatform.v1.AutoraterConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Number of samples for each instance in the dataset.
+   * If not specified, the default is 4. Minimum value is 1, maximum value
+   * is 32.
+   * </pre>
+   *
+   * <code>optional int32 sampling_count = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the samplingCount field is set.
+   */
+  boolean hasSamplingCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Number of samples for each instance in the dataset.
+   * If not specified, the default is 4. Minimum value is 1, maximum value
+   * is 32.
+   * </pre>
+   *
+   * <code>optional int32 sampling_count = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The samplingCount.
+   */
+  int getSamplingCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Default is true. Whether to flip the candidate and baseline
+   * responses. This is only applicable to the pairwise metric. If enabled, also
+   * provide PairwiseMetricSpec.candidate_response_field_name and
+   * PairwiseMetricSpec.baseline_response_field_name. When rendering
+   * PairwiseMetricSpec.metric_prompt_template, the candidate and baseline
+   * fields will be flipped for half of the samples to reduce bias.
+   * </pre>
+   *
+   * <code>optional bool flip_enabled = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the flipEnabled field is set.
+   */
+  boolean hasFlipEnabled();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Default is true. Whether to flip the candidate and baseline
+   * responses. This is only applicable to the pairwise metric. If enabled, also
+   * provide PairwiseMetricSpec.candidate_response_field_name and
+   * PairwiseMetricSpec.baseline_response_field_name. When rendering
+   * PairwiseMetricSpec.metric_prompt_template, the candidate and baseline
+   * fields will be flipped for half of the samples to reduce bias.
+   * </pre>
+   *
+   * <code>optional bool flip_enabled = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The flipEnabled.
+   */
+  boolean getFlipEnabled();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The fully qualified name of the publisher model or tuned
+   * autorater endpoint to use.
+   *
+   * Publisher model format:
+   * `projects/{project}/locations/{location}/publishers/&#42;&#47;models/&#42;`
+   *
+   * Tuned model endpoint format:
+   * `projects/{project}/locations/{location}/endpoints/{endpoint}`
+   * </pre>
+   *
+   * <code>string autorater_model = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The autoraterModel.
+   */
+  java.lang.String getAutoraterModel();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The fully qualified name of the publisher model or tuned
+   * autorater endpoint to use.
+   *
+   * Publisher model format:
+   * `projects/{project}/locations/{location}/publishers/&#42;&#47;models/&#42;`
+   *
+   * Tuned model endpoint format:
+   * `projects/{project}/locations/{location}/endpoints/{endpoint}`
+   * </pre>
+   *
+   * <code>string autorater_model = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for autoraterModel.
+   */
+  com.google.protobuf.ByteString getAutoraterModelBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Configuration options for model generation and outputs.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.GenerationConfig generation_config = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the generationConfig field is set.
+   */
+  boolean hasGenerationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Configuration options for model generation and outputs.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.GenerationConfig generation_config = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The generationConfig.
+   */
+  com.google.cloud.aiplatform.v1.GenerationConfig getGenerationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Configuration options for model generation and outputs.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.GenerationConfig generation_config = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.GenerationConfigOrBuilder getGenerationConfigOrBuilder();
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/ComputationBasedMetricSpec.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/ComputationBasedMetricSpec.java
new file mode 100644
index 000000000000..9462882ab20f
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/ComputationBasedMetricSpec.java
@@ -0,0 +1,1149 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Specification for a computation based metric.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.aiplatform.v1.ComputationBasedMetricSpec}
+ */
+@com.google.protobuf.Generated
+public final class ComputationBasedMetricSpec extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.aiplatform.v1.ComputationBasedMetricSpec)
+    ComputationBasedMetricSpecOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "ComputationBasedMetricSpec");
+  }
+
+  // Use ComputationBasedMetricSpec.newBuilder() to construct.
+  private ComputationBasedMetricSpec(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ComputationBasedMetricSpec() {
+    type_ = 0;
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_ComputationBasedMetricSpec_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_ComputationBasedMetricSpec_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.class,
+            com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.Builder.class);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Types of computation based metrics.
+   * </pre>
+   *
+   * Protobuf enum {@code
+   * google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType}
+   */
+  public enum ComputationBasedMetricType implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * Unspecified computation based metric type.
+     * </pre>
+     *
+     * <code>COMPUTATION_BASED_METRIC_TYPE_UNSPECIFIED = 0;</code>
+     */
+    COMPUTATION_BASED_METRIC_TYPE_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * Exact match metric.
+     * </pre>
+     *
+     * <code>EXACT_MATCH = 1;</code>
+     */
+    EXACT_MATCH(1),
+    /**
+     *
+     *
+     * <pre>
+     * BLEU metric.
+     * </pre>
+     *
+     * <code>BLEU = 2;</code>
+     */
+    BLEU(2),
+    /**
+     *
+     *
+     * <pre>
+     * ROUGE metric.
+     * </pre>
+     *
+     * <code>ROUGE = 3;</code>
+     */
+    ROUGE(3),
+    UNRECOGNIZED(-1),
+    ;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "ComputationBasedMetricType");
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Unspecified computation based metric type.
+     * </pre>
+     *
+     * <code>COMPUTATION_BASED_METRIC_TYPE_UNSPECIFIED = 0;</code>
+     */
+    public static final int COMPUTATION_BASED_METRIC_TYPE_UNSPECIFIED_VALUE = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Exact match metric.
+     * </pre>
+     *
+     * <code>EXACT_MATCH = 1;</code>
+     */
+    public static final int EXACT_MATCH_VALUE = 1;
+
+    /**
+     *
+     *
+     * <pre>
+     * BLEU metric.
+     * </pre>
+     *
+     * <code>BLEU = 2;</code>
+     */
+    public static final int BLEU_VALUE = 2;
+
+    /**
+     *
+     *
+     * <pre>
+     * ROUGE metric.
+     * </pre>
+     *
+     * <code>ROUGE = 3;</code>
+     */
+    public static final int ROUGE_VALUE = 3;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static ComputationBasedMetricType valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static ComputationBasedMetricType forNumber(int value) {
+      switch (value) {
+        case 0:
+          return COMPUTATION_BASED_METRIC_TYPE_UNSPECIFIED;
+        case 1:
+          return EXACT_MATCH;
+        case 2:
+          return BLEU;
+        case 3:
+          return ROUGE;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<ComputationBasedMetricType>
+        internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<ComputationBasedMetricType>
+        internalValueMap =
+            new com.google.protobuf.Internal.EnumLiteMap<ComputationBasedMetricType>() {
+              public ComputationBasedMetricType findValueByNumber(int number) {
+                return ComputationBasedMetricType.forNumber(number);
+              }
+            };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.getDescriptor()
+          .getEnumTypes()
+          .get(0);
+    }
+
+    private static final ComputationBasedMetricType[] VALUES = values();
+
+    public static ComputationBasedMetricType valueOf(
+        com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private ComputationBasedMetricType(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType)
+  }
+
+  private int bitField0_;
+  public static final int TYPE_FIELD_NUMBER = 1;
+  private int type_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The type of the computation based metric.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType type = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return Whether the type field is set.
+   */
+  @java.lang.Override
+  public boolean hasType() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The type of the computation based metric.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType type = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for type.
+   */
+  @java.lang.Override
+  public int getTypeValue() {
+    return type_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The type of the computation based metric.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType type = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The type.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType
+      getType() {
+    com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType result =
+        com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType
+            .forNumber(type_);
+    return result == null
+        ? com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType
+            .UNRECOGNIZED
+        : result;
+  }
+
+  public static final int PARAMETERS_FIELD_NUMBER = 2;
+  private com.google.protobuf.Struct parameters_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A map of parameters for the metric, e.g. {"rouge_type":
+   * "rougeL"}.
+   * </pre>
+   *
+   * <code>
+   * optional .google.protobuf.Struct parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the parameters field is set.
+   */
+  @java.lang.Override
+  public boolean hasParameters() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A map of parameters for the metric, e.g. {"rouge_type":
+   * "rougeL"}.
+   * </pre>
+   *
+   * <code>
+   * optional .google.protobuf.Struct parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The parameters.
+   */
+  @java.lang.Override
+  public com.google.protobuf.Struct getParameters() {
+    return parameters_ == null ? com.google.protobuf.Struct.getDefaultInstance() : parameters_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A map of parameters for the metric, e.g. {"rouge_type":
+   * "rougeL"}.
+   * </pre>
+   *
+   * <code>
+   * optional .google.protobuf.Struct parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.protobuf.StructOrBuilder getParametersOrBuilder() {
+    return parameters_ == null ? com.google.protobuf.Struct.getDefaultInstance() : parameters_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeEnum(1, type_);
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(2, getParameters());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(1, type_);
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getParameters());
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec other =
+        (com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec) obj;
+
+    if (hasType() != other.hasType()) return false;
+    if (hasType()) {
+      if (type_ != other.type_) return false;
+    }
+    if (hasParameters() != other.hasParameters()) return false;
+    if (hasParameters()) {
+      if (!getParameters().equals(other.getParameters())) return false;
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasType()) {
+      hash = (37 * hash) + TYPE_FIELD_NUMBER;
+      hash = (53 * hash) + type_;
+    }
+    if (hasParameters()) {
+      hash = (37 * hash) + PARAMETERS_FIELD_NUMBER;
+      hash = (53 * hash) + getParameters().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specification for a computation based metric.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.aiplatform.v1.ComputationBasedMetricSpec}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.aiplatform.v1.ComputationBasedMetricSpec)
+      com.google.cloud.aiplatform.v1.ComputationBasedMetricSpecOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_ComputationBasedMetricSpec_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_ComputationBasedMetricSpec_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.class,
+              com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.Builder.class);
+    }
+
+    // Construct using com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetParametersFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      type_ = 0;
+      parameters_ = null;
+      if (parametersBuilder_ != null) {
+        parametersBuilder_.dispose();
+        parametersBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_ComputationBasedMetricSpec_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec getDefaultInstanceForType() {
+      return com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec build() {
+      com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec buildPartial() {
+      com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec result =
+          new com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec result) {
+      int from_bitField0_ = bitField0_;
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.type_ = type_;
+        to_bitField0_ |= 0x00000001;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.parameters_ = parametersBuilder_ == null ? parameters_ : parametersBuilder_.build();
+        to_bitField0_ |= 0x00000002;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec) {
+        return mergeFrom((com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec other) {
+      if (other == com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.getDefaultInstance())
+        return this;
+      if (other.hasType()) {
+        setTypeValue(other.getTypeValue());
+      }
+      if (other.hasParameters()) {
+        mergeParameters(other.getParameters());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 8:
+              {
+                type_ = input.readEnum();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 8
+            case 18:
+              {
+                input.readMessage(
+                    internalGetParametersFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private int type_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The type of the computation based metric.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType type = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return Whether the type field is set.
+     */
+    @java.lang.Override
+    public boolean hasType() {
+      return ((bitField0_ & 0x00000001) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The type of the computation based metric.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType type = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for type.
+     */
+    @java.lang.Override
+    public int getTypeValue() {
+      return type_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The type of the computation based metric.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType type = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @param value The enum numeric value on the wire for type to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTypeValue(int value) {
+      type_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The type of the computation based metric.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType type = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return The type.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType
+        getType() {
+      com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType result =
+          com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType
+              .forNumber(type_);
+      return result == null
+          ? com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType
+              .UNRECOGNIZED
+          : result;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The type of the computation based metric.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType type = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @param value The type to set.
+     * @return This builder for chaining.
+     */
+    public Builder setType(
+        com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType
+            value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      bitField0_ |= 0x00000001;
+      type_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The type of the computation based metric.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType type = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearType() {
+      bitField0_ = (bitField0_ & ~0x00000001);
+      type_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private com.google.protobuf.Struct parameters_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Struct,
+            com.google.protobuf.Struct.Builder,
+            com.google.protobuf.StructOrBuilder>
+        parametersBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A map of parameters for the metric, e.g. {"rouge_type":
+     * "rougeL"}.
+     * </pre>
+     *
+     * <code>
+     * optional .google.protobuf.Struct parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the parameters field is set.
+     */
+    public boolean hasParameters() {
+      return ((bitField0_ & 0x00000002) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A map of parameters for the metric, e.g. {"rouge_type":
+     * "rougeL"}.
+     * </pre>
+     *
+     * <code>
+     * optional .google.protobuf.Struct parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The parameters.
+     */
+    public com.google.protobuf.Struct getParameters() {
+      if (parametersBuilder_ == null) {
+        return parameters_ == null ? com.google.protobuf.Struct.getDefaultInstance() : parameters_;
+      } else {
+        return parametersBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A map of parameters for the metric, e.g. {"rouge_type":
+     * "rougeL"}.
+     * </pre>
+     *
+     * <code>
+     * optional .google.protobuf.Struct parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setParameters(com.google.protobuf.Struct value) {
+      if (parametersBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        parameters_ = value;
+      } else {
+        parametersBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A map of parameters for the metric, e.g. {"rouge_type":
+     * "rougeL"}.
+     * </pre>
+     *
+     * <code>
+     * optional .google.protobuf.Struct parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setParameters(com.google.protobuf.Struct.Builder builderForValue) {
+      if (parametersBuilder_ == null) {
+        parameters_ = builderForValue.build();
+      } else {
+        parametersBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A map of parameters for the metric, e.g. {"rouge_type":
+     * "rougeL"}.
+     * </pre>
+     *
+     * <code>
+     * optional .google.protobuf.Struct parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeParameters(com.google.protobuf.Struct value) {
+      if (parametersBuilder_ == null) {
+        if (((bitField0_ & 0x00000002) != 0)
+            && parameters_ != null
+            && parameters_ != com.google.protobuf.Struct.getDefaultInstance()) {
+          getParametersBuilder().mergeFrom(value);
+        } else {
+          parameters_ = value;
+        }
+      } else {
+        parametersBuilder_.mergeFrom(value);
+      }
+      if (parameters_ != null) {
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A map of parameters for the metric, e.g. {"rouge_type":
+     * "rougeL"}.
+     * </pre>
+     *
+     * <code>
+     * optional .google.protobuf.Struct parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearParameters() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      parameters_ = null;
+      if (parametersBuilder_ != null) {
+        parametersBuilder_.dispose();
+        parametersBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A map of parameters for the metric, e.g. {"rouge_type":
+     * "rougeL"}.
+     * </pre>
+     *
+     * <code>
+     * optional .google.protobuf.Struct parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.protobuf.Struct.Builder getParametersBuilder() {
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return internalGetParametersFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A map of parameters for the metric, e.g. {"rouge_type":
+     * "rougeL"}.
+     * </pre>
+     *
+     * <code>
+     * optional .google.protobuf.Struct parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.protobuf.StructOrBuilder getParametersOrBuilder() {
+      if (parametersBuilder_ != null) {
+        return parametersBuilder_.getMessageOrBuilder();
+      } else {
+        return parameters_ == null ? com.google.protobuf.Struct.getDefaultInstance() : parameters_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A map of parameters for the metric, e.g. {"rouge_type":
+     * "rougeL"}.
+     * </pre>
+     *
+     * <code>
+     * optional .google.protobuf.Struct parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Struct,
+            com.google.protobuf.Struct.Builder,
+            com.google.protobuf.StructOrBuilder>
+        internalGetParametersFieldBuilder() {
+      if (parametersBuilder_ == null) {
+        parametersBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.protobuf.Struct,
+                com.google.protobuf.Struct.Builder,
+                com.google.protobuf.StructOrBuilder>(
+                getParameters(), getParentForChildren(), isClean());
+        parameters_ = null;
+      }
+      return parametersBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.ComputationBasedMetricSpec)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.aiplatform.v1.ComputationBasedMetricSpec)
+  private static final com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec();
+  }
+
+  public static com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ComputationBasedMetricSpec> PARSER =
+      new com.google.protobuf.AbstractParser<ComputationBasedMetricSpec>() {
+        @java.lang.Override
+        public ComputationBasedMetricSpec parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<ComputationBasedMetricSpec> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ComputationBasedMetricSpec> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/ComputationBasedMetricSpecOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/ComputationBasedMetricSpecOrBuilder.java
new file mode 100644
index 000000000000..98de81c64586
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/ComputationBasedMetricSpecOrBuilder.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+@com.google.protobuf.Generated
+public interface ComputationBasedMetricSpecOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.aiplatform.v1.ComputationBasedMetricSpec)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The type of the computation based metric.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType type = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return Whether the type field is set.
+   */
+  boolean hasType();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The type of the computation based metric.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType type = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for type.
+   */
+  int getTypeValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The type of the computation based metric.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType type = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The type.
+   */
+  com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.ComputationBasedMetricType getType();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A map of parameters for the metric, e.g. {"rouge_type":
+   * "rougeL"}.
+   * </pre>
+   *
+   * <code>
+   * optional .google.protobuf.Struct parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the parameters field is set.
+   */
+  boolean hasParameters();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A map of parameters for the metric, e.g. {"rouge_type":
+   * "rougeL"}.
+   * </pre>
+   *
+   * <code>
+   * optional .google.protobuf.Struct parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The parameters.
+   */
+  com.google.protobuf.Struct getParameters();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A map of parameters for the metric, e.g. {"rouge_type":
+   * "rougeL"}.
+   * </pre>
+   *
+   * <code>
+   * optional .google.protobuf.Struct parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.protobuf.StructOrBuilder getParametersOrBuilder();
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/ContentMap.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/ContentMap.java
new file mode 100644
index 000000000000..95c5d2f28a7a
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/ContentMap.java
@@ -0,0 +1,1888 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Map of placeholder in metric prompt template to contents of model input.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.aiplatform.v1.ContentMap}
+ */
+@com.google.protobuf.Generated
+public final class ContentMap extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.aiplatform.v1.ContentMap)
+    ContentMapOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "ContentMap");
+  }
+
+  // Use ContentMap.newBuilder() to construct.
+  private ContentMap(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ContentMap() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_ContentMap_descriptor;
+  }
+
+  @SuppressWarnings({"rawtypes"})
+  @java.lang.Override
+  protected com.google.protobuf.MapFieldReflectionAccessor internalGetMapFieldReflection(
+      int number) {
+    switch (number) {
+      case 1:
+        return internalGetValues();
+      default:
+        throw new RuntimeException("Invalid map field number: " + number);
+    }
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_ContentMap_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.aiplatform.v1.ContentMap.class,
+            com.google.cloud.aiplatform.v1.ContentMap.Builder.class);
+  }
+
+  public interface ContentsOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.aiplatform.v1.ContentMap.Contents)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Repeated contents.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    java.util.List<com.google.cloud.aiplatform.v1.Content> getContentsList();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Repeated contents.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    com.google.cloud.aiplatform.v1.Content getContents(int index);
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Repeated contents.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    int getContentsCount();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Repeated contents.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    java.util.List<? extends com.google.cloud.aiplatform.v1.ContentOrBuilder>
+        getContentsOrBuilderList();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Repeated contents.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    com.google.cloud.aiplatform.v1.ContentOrBuilder getContentsOrBuilder(int index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Repeated Content type.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.aiplatform.v1.ContentMap.Contents}
+   */
+  public static final class Contents extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.aiplatform.v1.ContentMap.Contents)
+      ContentsOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "Contents");
+    }
+
+    // Use Contents.newBuilder() to construct.
+    private Contents(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private Contents() {
+      contents_ = java.util.Collections.emptyList();
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_ContentMap_Contents_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_ContentMap_Contents_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.aiplatform.v1.ContentMap.Contents.class,
+              com.google.cloud.aiplatform.v1.ContentMap.Contents.Builder.class);
+    }
+
+    public static final int CONTENTS_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private java.util.List<com.google.cloud.aiplatform.v1.Content> contents_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Repeated contents.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public java.util.List<com.google.cloud.aiplatform.v1.Content> getContentsList() {
+      return contents_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Repeated contents.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public java.util.List<? extends com.google.cloud.aiplatform.v1.ContentOrBuilder>
+        getContentsOrBuilderList() {
+      return contents_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Repeated contents.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public int getContentsCount() {
+      return contents_.size();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Repeated contents.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.Content getContents(int index) {
+      return contents_.get(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Repeated contents.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ContentOrBuilder getContentsOrBuilder(int index) {
+      return contents_.get(index);
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      for (int i = 0; i < contents_.size(); i++) {
+        output.writeMessage(1, contents_.get(i));
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      for (int i = 0; i < contents_.size(); i++) {
+        size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, contents_.get(i));
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj instanceof com.google.cloud.aiplatform.v1.ContentMap.Contents)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.aiplatform.v1.ContentMap.Contents other =
+          (com.google.cloud.aiplatform.v1.ContentMap.Contents) obj;
+
+      if (!getContentsList().equals(other.getContentsList())) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      if (getContentsCount() > 0) {
+        hash = (37 * hash) + CONTENTS_FIELD_NUMBER;
+        hash = (53 * hash) + getContentsList().hashCode();
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.aiplatform.v1.ContentMap.Contents parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.aiplatform.v1.ContentMap.Contents parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.aiplatform.v1.ContentMap.Contents parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.aiplatform.v1.ContentMap.Contents parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.aiplatform.v1.ContentMap.Contents parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.aiplatform.v1.ContentMap.Contents parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.aiplatform.v1.ContentMap.Contents parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.aiplatform.v1.ContentMap.Contents parseFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.aiplatform.v1.ContentMap.Contents parseDelimitedFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.aiplatform.v1.ContentMap.Contents parseDelimitedFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.aiplatform.v1.ContentMap.Contents parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.aiplatform.v1.ContentMap.Contents parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(com.google.cloud.aiplatform.v1.ContentMap.Contents prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Repeated Content type.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.aiplatform.v1.ContentMap.Contents}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.aiplatform.v1.ContentMap.Contents)
+        com.google.cloud.aiplatform.v1.ContentMap.ContentsOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+            .internal_static_google_cloud_aiplatform_v1_ContentMap_Contents_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+            .internal_static_google_cloud_aiplatform_v1_ContentMap_Contents_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.aiplatform.v1.ContentMap.Contents.class,
+                com.google.cloud.aiplatform.v1.ContentMap.Contents.Builder.class);
+      }
+
+      // Construct using com.google.cloud.aiplatform.v1.ContentMap.Contents.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        if (contentsBuilder_ == null) {
+          contents_ = java.util.Collections.emptyList();
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+          contents_ = null;
+          contentsBuilder_.clear();
+        }
+        bitField0_ = (bitField0_ & ~0x00000001);
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+            .internal_static_google_cloud_aiplatform_v1_ContentMap_Contents_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.aiplatform.v1.ContentMap.Contents getDefaultInstanceForType() {
+        return com.google.cloud.aiplatform.v1.ContentMap.Contents.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.aiplatform.v1.ContentMap.Contents build() {
+        com.google.cloud.aiplatform.v1.ContentMap.Contents result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.aiplatform.v1.ContentMap.Contents buildPartial() {
+        com.google.cloud.aiplatform.v1.ContentMap.Contents result =
+            new com.google.cloud.aiplatform.v1.ContentMap.Contents(this);
+        buildPartialRepeatedFields(result);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartialRepeatedFields(
+          com.google.cloud.aiplatform.v1.ContentMap.Contents result) {
+        if (contentsBuilder_ == null) {
+          if (((bitField0_ & 0x00000001) != 0)) {
+            contents_ = java.util.Collections.unmodifiableList(contents_);
+            bitField0_ = (bitField0_ & ~0x00000001);
+          }
+          result.contents_ = contents_;
+        } else {
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+      private void buildPartial0(com.google.cloud.aiplatform.v1.ContentMap.Contents result) {
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+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.aiplatform.v1.ContentMap.Contents) {
+          return mergeFrom((com.google.cloud.aiplatform.v1.ContentMap.Contents) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(com.google.cloud.aiplatform.v1.ContentMap.Contents other) {
+        if (other == com.google.cloud.aiplatform.v1.ContentMap.Contents.getDefaultInstance())
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+        if (contentsBuilder_ == null) {
+          if (!other.contents_.isEmpty()) {
+            if (contents_.isEmpty()) {
+              contents_ = other.contents_;
+              bitField0_ = (bitField0_ & ~0x00000001);
+            } else {
+              ensureContentsIsMutable();
+              contents_.addAll(other.contents_);
+            }
+            onChanged();
+          }
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+          if (!other.contents_.isEmpty()) {
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+              contentsBuilder_ = null;
+              contents_ = other.contents_;
+              bitField0_ = (bitField0_ & ~0x00000001);
+              contentsBuilder_ =
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+                      : null;
+            } else {
+              contentsBuilder_.addAllMessages(other.contents_);
+            }
+          }
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
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+                          com.google.cloud.aiplatform.v1.Content.parser(), extensionRegistry);
+                  if (contentsBuilder_ == null) {
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+                    contents_.add(m);
+                  } else {
+                    contentsBuilder_.addMessage(m);
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+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
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+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
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+
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+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Repeated contents.
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+       *
+       * <code>
+       * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
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+        if (contentsBuilder_ == null) {
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+        } else {
+          return contentsBuilder_.getMessageList();
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+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Repeated contents.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
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+
+      /**
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+       * Optional. Repeated contents.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.aiplatform.v1.Content getContents(int index) {
+        if (contentsBuilder_ == null) {
+          return contents_.get(index);
+        } else {
+          return contentsBuilder_.getMessage(index);
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Repeated contents.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder setContents(int index, com.google.cloud.aiplatform.v1.Content value) {
+        if (contentsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureContentsIsMutable();
+          contents_.set(index, value);
+          onChanged();
+        } else {
+          contentsBuilder_.setMessage(index, value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Repeated contents.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder setContents(
+          int index, com.google.cloud.aiplatform.v1.Content.Builder builderForValue) {
+        if (contentsBuilder_ == null) {
+          ensureContentsIsMutable();
+          contents_.set(index, builderForValue.build());
+          onChanged();
+        } else {
+          contentsBuilder_.setMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Repeated contents.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addContents(com.google.cloud.aiplatform.v1.Content value) {
+        if (contentsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureContentsIsMutable();
+          contents_.add(value);
+          onChanged();
+        } else {
+          contentsBuilder_.addMessage(value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Repeated contents.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addContents(int index, com.google.cloud.aiplatform.v1.Content value) {
+        if (contentsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureContentsIsMutable();
+          contents_.add(index, value);
+          onChanged();
+        } else {
+          contentsBuilder_.addMessage(index, value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Repeated contents.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addContents(com.google.cloud.aiplatform.v1.Content.Builder builderForValue) {
+        if (contentsBuilder_ == null) {
+          ensureContentsIsMutable();
+          contents_.add(builderForValue.build());
+          onChanged();
+        } else {
+          contentsBuilder_.addMessage(builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Repeated contents.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addContents(
+          int index, com.google.cloud.aiplatform.v1.Content.Builder builderForValue) {
+        if (contentsBuilder_ == null) {
+          ensureContentsIsMutable();
+          contents_.add(index, builderForValue.build());
+          onChanged();
+        } else {
+          contentsBuilder_.addMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Repeated contents.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addAllContents(
+          java.lang.Iterable<? extends com.google.cloud.aiplatform.v1.Content> values) {
+        if (contentsBuilder_ == null) {
+          ensureContentsIsMutable();
+          com.google.protobuf.AbstractMessageLite.Builder.addAll(values, contents_);
+          onChanged();
+        } else {
+          contentsBuilder_.addAllMessages(values);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Repeated contents.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder clearContents() {
+        if (contentsBuilder_ == null) {
+          contents_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000001);
+          onChanged();
+        } else {
+          contentsBuilder_.clear();
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Repeated contents.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder removeContents(int index) {
+        if (contentsBuilder_ == null) {
+          ensureContentsIsMutable();
+          contents_.remove(index);
+          onChanged();
+        } else {
+          contentsBuilder_.remove(index);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Repeated contents.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.aiplatform.v1.Content.Builder getContentsBuilder(int index) {
+        return internalGetContentsFieldBuilder().getBuilder(index);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Repeated contents.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.aiplatform.v1.ContentOrBuilder getContentsOrBuilder(int index) {
+        if (contentsBuilder_ == null) {
+          return contents_.get(index);
+        } else {
+          return contentsBuilder_.getMessageOrBuilder(index);
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Repeated contents.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public java.util.List<? extends com.google.cloud.aiplatform.v1.ContentOrBuilder>
+          getContentsOrBuilderList() {
+        if (contentsBuilder_ != null) {
+          return contentsBuilder_.getMessageOrBuilderList();
+        } else {
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+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Repeated contents.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
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+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Repeated contents.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
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+            .addBuilder(index, com.google.cloud.aiplatform.v1.Content.getDefaultInstance());
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Repeated contents.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.aiplatform.v1.Content contents = 1 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public java.util.List<com.google.cloud.aiplatform.v1.Content.Builder>
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+
+    // @@protoc_insertion_point(class_scope:google.cloud.aiplatform.v1.ContentMap.Contents)
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+    static {
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+      return DEFAULT_INSTANCE;
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+    private static final com.google.protobuf.Parser<Contents> PARSER =
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+          public Contents parsePartialFrom(
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+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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+            Builder builder = newBuilder();
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+    @java.lang.Override
+    public com.google.protobuf.Parser<Contents> getParserForType() {
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+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ContentMap.Contents getDefaultInstanceForType() {
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+  private com.google.protobuf.MapField<
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+
+  public int getValuesCount() {
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+  /**
+   *
+   *
+   * <pre>
+   * Optional. Map of placeholder to contents.
+   * </pre>
+   *
+   * <code>
+   * map&lt;string, .google.cloud.aiplatform.v1.ContentMap.Contents&gt; values = 1 [(.google.api.field_behavior) = OPTIONAL];
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+   */
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+  public boolean containsValues(java.lang.String key) {
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+   * <pre>
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+   * </pre>
+   *
+   * <code>
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+  /**
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+   *
+   * <pre>
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+   * </pre>
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+   * <code>
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+
+  /**
+   *
+   *
+   * <pre>
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+   * </pre>
+   *
+   * <code>
+   * map&lt;string, .google.cloud.aiplatform.v1.ContentMap.Contents&gt; values = 1 [(.google.api.field_behavior) = OPTIONAL];
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+   */
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+  public com.google.cloud.aiplatform.v1.ContentMap.Contents getValuesOrThrow(java.lang.String key) {
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+      return super.equals(obj);
+    }
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+
+    if (!internalGetValues().equals(other.internalGetValues())) return false;
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+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
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+    int hash = 41;
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+      hash = (53 * hash) + internalGetValues().hashCode();
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+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ContentMap parseFrom(
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+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ContentMap parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ContentMap parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ContentMap parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ContentMap parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ContentMap parseFrom(java.io.InputStream input)
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+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ContentMap parseFrom(
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+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
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+  public static com.google.cloud.aiplatform.v1.ContentMap parseDelimitedFrom(
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+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ContentMap parseDelimitedFrom(
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+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ContentMap parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.ContentMap parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
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+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.aiplatform.v1.ContentMap prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
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+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Map of placeholder in metric prompt template to contents of model input.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.aiplatform.v1.ContentMap}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.aiplatform.v1.ContentMap)
+      com.google.cloud.aiplatform.v1.ContentMapOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
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+    }
+
+    @SuppressWarnings({"rawtypes"})
+    protected com.google.protobuf.MapFieldReflectionAccessor internalGetMapFieldReflection(
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+          return internalGetValues();
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+      }
+    }
+
+    @SuppressWarnings({"rawtypes"})
+    protected com.google.protobuf.MapFieldReflectionAccessor internalGetMutableMapFieldReflection(
+        int number) {
+      switch (number) {
+        case 1:
+          return internalGetMutableValues();
+        default:
+          throw new RuntimeException("Invalid map field number: " + number);
+      }
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_ContentMap_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.aiplatform.v1.ContentMap.class,
+              com.google.cloud.aiplatform.v1.ContentMap.Builder.class);
+    }
+
+    // Construct using com.google.cloud.aiplatform.v1.ContentMap.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      internalGetMutableValues().clear();
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_ContentMap_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ContentMap getDefaultInstanceForType() {
+      return com.google.cloud.aiplatform.v1.ContentMap.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ContentMap build() {
+      com.google.cloud.aiplatform.v1.ContentMap result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ContentMap buildPartial() {
+      com.google.cloud.aiplatform.v1.ContentMap result =
+          new com.google.cloud.aiplatform.v1.ContentMap(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.aiplatform.v1.ContentMap result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.values_ = internalGetValues().build(ValuesDefaultEntryHolder.defaultEntry);
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.aiplatform.v1.ContentMap) {
+        return mergeFrom((com.google.cloud.aiplatform.v1.ContentMap) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.aiplatform.v1.ContentMap other) {
+      if (other == com.google.cloud.aiplatform.v1.ContentMap.getDefaultInstance()) return this;
+      internalGetMutableValues().mergeFrom(other.internalGetValues());
+      bitField0_ |= 0x00000001;
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                com.google.protobuf.MapEntry<
+                        java.lang.String, com.google.cloud.aiplatform.v1.ContentMap.Contents>
+                    values__ =
+                        input.readMessage(
+                            ValuesDefaultEntryHolder.defaultEntry.getParserForType(),
+                            extensionRegistry);
+                internalGetMutableValues()
+                    .ensureBuilderMap()
+                    .put(values__.getKey(), values__.getValue());
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private static final class ValuesConverter
+        implements com.google.protobuf.MapFieldBuilder.Converter<
+            java.lang.String,
+            com.google.cloud.aiplatform.v1.ContentMap.ContentsOrBuilder,
+            com.google.cloud.aiplatform.v1.ContentMap.Contents> {
+      @java.lang.Override
+      public com.google.cloud.aiplatform.v1.ContentMap.Contents build(
+          com.google.cloud.aiplatform.v1.ContentMap.ContentsOrBuilder val) {
+        if (val instanceof com.google.cloud.aiplatform.v1.ContentMap.Contents) {
+          return (com.google.cloud.aiplatform.v1.ContentMap.Contents) val;
+        }
+        return ((com.google.cloud.aiplatform.v1.ContentMap.Contents.Builder) val).build();
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.MapEntry<
+              java.lang.String, com.google.cloud.aiplatform.v1.ContentMap.Contents>
+          defaultEntry() {
+        return ValuesDefaultEntryHolder.defaultEntry;
+      }
+    }
+    ;
+
+    private static final ValuesConverter valuesConverter = new ValuesConverter();
+
+    private com.google.protobuf.MapFieldBuilder<
+            java.lang.String,
+            com.google.cloud.aiplatform.v1.ContentMap.ContentsOrBuilder,
+            com.google.cloud.aiplatform.v1.ContentMap.Contents,
+            com.google.cloud.aiplatform.v1.ContentMap.Contents.Builder>
+        values_;
+
+    private com.google.protobuf.MapFieldBuilder<
+            java.lang.String,
+            com.google.cloud.aiplatform.v1.ContentMap.ContentsOrBuilder,
+            com.google.cloud.aiplatform.v1.ContentMap.Contents,
+            com.google.cloud.aiplatform.v1.ContentMap.Contents.Builder>
+        internalGetValues() {
+      if (values_ == null) {
+        return new com.google.protobuf.MapFieldBuilder<>(valuesConverter);
+      }
+      return values_;
+    }
+
+    private com.google.protobuf.MapFieldBuilder<
+            java.lang.String,
+            com.google.cloud.aiplatform.v1.ContentMap.ContentsOrBuilder,
+            com.google.cloud.aiplatform.v1.ContentMap.Contents,
+            com.google.cloud.aiplatform.v1.ContentMap.Contents.Builder>
+        internalGetMutableValues() {
+      if (values_ == null) {
+        values_ = new com.google.protobuf.MapFieldBuilder<>(valuesConverter);
+      }
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return values_;
+    }
+
+    public int getValuesCount() {
+      return internalGetValues().ensureBuilderMap().size();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Map of placeholder to contents.
+     * </pre>
+     *
+     * <code>
+     * map&lt;string, .google.cloud.aiplatform.v1.ContentMap.Contents&gt; values = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public boolean containsValues(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      return internalGetValues().ensureBuilderMap().containsKey(key);
+    }
+
+    /** Use {@link #getValuesMap()} instead. */
+    @java.lang.Override
+    @java.lang.Deprecated
+    public java.util.Map<java.lang.String, com.google.cloud.aiplatform.v1.ContentMap.Contents>
+        getValues() {
+      return getValuesMap();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Map of placeholder to contents.
+     * </pre>
+     *
+     * <code>
+     * map&lt;string, .google.cloud.aiplatform.v1.ContentMap.Contents&gt; values = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public java.util.Map<java.lang.String, com.google.cloud.aiplatform.v1.ContentMap.Contents>
+        getValuesMap() {
+      return internalGetValues().getImmutableMap();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Map of placeholder to contents.
+     * </pre>
+     *
+     * <code>
+     * map&lt;string, .google.cloud.aiplatform.v1.ContentMap.Contents&gt; values = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public /* nullable */ com.google.cloud.aiplatform.v1.ContentMap.Contents getValuesOrDefault(
+        java.lang.String key,
+        /* nullable */
+        com.google.cloud.aiplatform.v1.ContentMap.Contents defaultValue) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      java.util.Map<java.lang.String, com.google.cloud.aiplatform.v1.ContentMap.ContentsOrBuilder>
+          map = internalGetMutableValues().ensureBuilderMap();
+      return map.containsKey(key) ? valuesConverter.build(map.get(key)) : defaultValue;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Map of placeholder to contents.
+     * </pre>
+     *
+     * <code>
+     * map&lt;string, .google.cloud.aiplatform.v1.ContentMap.Contents&gt; values = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ContentMap.Contents getValuesOrThrow(
+        java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      java.util.Map<java.lang.String, com.google.cloud.aiplatform.v1.ContentMap.ContentsOrBuilder>
+          map = internalGetMutableValues().ensureBuilderMap();
+      if (!map.containsKey(key)) {
+        throw new java.lang.IllegalArgumentException();
+      }
+      return valuesConverter.build(map.get(key));
+    }
+
+    public Builder clearValues() {
+      bitField0_ = (bitField0_ & ~0x00000001);
+      internalGetMutableValues().clear();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Map of placeholder to contents.
+     * </pre>
+     *
+     * <code>
+     * map&lt;string, .google.cloud.aiplatform.v1.ContentMap.Contents&gt; values = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder removeValues(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      internalGetMutableValues().ensureBuilderMap().remove(key);
+      return this;
+    }
+
+    /** Use alternate mutation accessors instead. */
+    @java.lang.Deprecated
+    public java.util.Map<java.lang.String, com.google.cloud.aiplatform.v1.ContentMap.Contents>
+        getMutableValues() {
+      bitField0_ |= 0x00000001;
+      return internalGetMutableValues().ensureMessageMap();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Map of placeholder to contents.
+     * </pre>
+     *
+     * <code>
+     * map&lt;string, .google.cloud.aiplatform.v1.ContentMap.Contents&gt; values = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder putValues(
+        java.lang.String key, com.google.cloud.aiplatform.v1.ContentMap.Contents value) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      if (value == null) {
+        throw new NullPointerException("map value");
+      }
+      internalGetMutableValues().ensureBuilderMap().put(key, value);
+      bitField0_ |= 0x00000001;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Map of placeholder to contents.
+     * </pre>
+     *
+     * <code>
+     * map&lt;string, .google.cloud.aiplatform.v1.ContentMap.Contents&gt; values = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder putAllValues(
+        java.util.Map<java.lang.String, com.google.cloud.aiplatform.v1.ContentMap.Contents>
+            values) {
+      for (java.util.Map.Entry<java.lang.String, com.google.cloud.aiplatform.v1.ContentMap.Contents>
+          e : values.entrySet()) {
+        if (e.getKey() == null || e.getValue() == null) {
+          throw new NullPointerException();
+        }
+      }
+      internalGetMutableValues().ensureBuilderMap().putAll(values);
+      bitField0_ |= 0x00000001;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Map of placeholder to contents.
+     * </pre>
+     *
+     * <code>
+     * map&lt;string, .google.cloud.aiplatform.v1.ContentMap.Contents&gt; values = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.ContentMap.Contents.Builder putValuesBuilderIfAbsent(
+        java.lang.String key) {
+      java.util.Map<java.lang.String, com.google.cloud.aiplatform.v1.ContentMap.ContentsOrBuilder>
+          builderMap = internalGetMutableValues().ensureBuilderMap();
+      com.google.cloud.aiplatform.v1.ContentMap.ContentsOrBuilder entry = builderMap.get(key);
+      if (entry == null) {
+        entry = com.google.cloud.aiplatform.v1.ContentMap.Contents.newBuilder();
+        builderMap.put(key, entry);
+      }
+      if (entry instanceof com.google.cloud.aiplatform.v1.ContentMap.Contents) {
+        entry = ((com.google.cloud.aiplatform.v1.ContentMap.Contents) entry).toBuilder();
+        builderMap.put(key, entry);
+      }
+      return (com.google.cloud.aiplatform.v1.ContentMap.Contents.Builder) entry;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.ContentMap)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.aiplatform.v1.ContentMap)
+  private static final com.google.cloud.aiplatform.v1.ContentMap DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.aiplatform.v1.ContentMap();
+  }
+
+  public static com.google.cloud.aiplatform.v1.ContentMap getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ContentMap> PARSER =
+      new com.google.protobuf.AbstractParser<ContentMap>() {
+        @java.lang.Override
+        public ContentMap parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<ContentMap> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ContentMap> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.ContentMap getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/ContentMapOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/ContentMapOrBuilder.java
new file mode 100644
index 000000000000..cc50e2d061d5
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/ContentMapOrBuilder.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+@com.google.protobuf.Generated
+public interface ContentMapOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.aiplatform.v1.ContentMap)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Map of placeholder to contents.
+   * </pre>
+   *
+   * <code>
+   * map&lt;string, .google.cloud.aiplatform.v1.ContentMap.Contents&gt; values = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  int getValuesCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Map of placeholder to contents.
+   * </pre>
+   *
+   * <code>
+   * map&lt;string, .google.cloud.aiplatform.v1.ContentMap.Contents&gt; values = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  boolean containsValues(java.lang.String key);
+
+  /** Use {@link #getValuesMap()} instead. */
+  @java.lang.Deprecated
+  java.util.Map<java.lang.String, com.google.cloud.aiplatform.v1.ContentMap.Contents> getValues();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Map of placeholder to contents.
+   * </pre>
+   *
+   * <code>
+   * map&lt;string, .google.cloud.aiplatform.v1.ContentMap.Contents&gt; values = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  java.util.Map<java.lang.String, com.google.cloud.aiplatform.v1.ContentMap.Contents>
+      getValuesMap();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Map of placeholder to contents.
+   * </pre>
+   *
+   * <code>
+   * map&lt;string, .google.cloud.aiplatform.v1.ContentMap.Contents&gt; values = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  /* nullable */
+  com.google.cloud.aiplatform.v1.ContentMap.Contents getValuesOrDefault(
+      java.lang.String key,
+      /* nullable */
+      com.google.cloud.aiplatform.v1.ContentMap.Contents defaultValue);
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Map of placeholder to contents.
+   * </pre>
+   *
+   * <code>
+   * map&lt;string, .google.cloud.aiplatform.v1.ContentMap.Contents&gt; values = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.ContentMap.Contents getValuesOrThrow(java.lang.String key);
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/CustomOutput.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/CustomOutput.java
new file mode 100644
index 000000000000..9e5010f0e9b4
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/CustomOutput.java
@@ -0,0 +1,817 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Spec for custom output.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.aiplatform.v1.CustomOutput}
+ */
+@com.google.protobuf.Generated
+public final class CustomOutput extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.aiplatform.v1.CustomOutput)
+    CustomOutputOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "CustomOutput");
+  }
+
+  // Use CustomOutput.newBuilder() to construct.
+  private CustomOutput(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private CustomOutput() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_CustomOutput_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_CustomOutput_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.aiplatform.v1.CustomOutput.class,
+            com.google.cloud.aiplatform.v1.CustomOutput.Builder.class);
+  }
+
+  private int customOutputCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object customOutput_;
+
+  public enum CustomOutputCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    RAW_OUTPUTS(1),
+    CUSTOMOUTPUT_NOT_SET(0);
+    private final int value;
+
+    private CustomOutputCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static CustomOutputCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static CustomOutputCase forNumber(int value) {
+      switch (value) {
+        case 1:
+          return RAW_OUTPUTS;
+        case 0:
+          return CUSTOMOUTPUT_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public CustomOutputCase getCustomOutputCase() {
+    return CustomOutputCase.forNumber(customOutputCase_);
+  }
+
+  public static final int RAW_OUTPUTS_FIELD_NUMBER = 1;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. List of raw output strings.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.RawOutput raw_outputs = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the rawOutputs field is set.
+   */
+  @java.lang.Override
+  public boolean hasRawOutputs() {
+    return customOutputCase_ == 1;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. List of raw output strings.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.RawOutput raw_outputs = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The rawOutputs.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.RawOutput getRawOutputs() {
+    if (customOutputCase_ == 1) {
+      return (com.google.cloud.aiplatform.v1.RawOutput) customOutput_;
+    }
+    return com.google.cloud.aiplatform.v1.RawOutput.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. List of raw output strings.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.RawOutput raw_outputs = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.RawOutputOrBuilder getRawOutputsOrBuilder() {
+    if (customOutputCase_ == 1) {
+      return (com.google.cloud.aiplatform.v1.RawOutput) customOutput_;
+    }
+    return com.google.cloud.aiplatform.v1.RawOutput.getDefaultInstance();
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (customOutputCase_ == 1) {
+      output.writeMessage(1, (com.google.cloud.aiplatform.v1.RawOutput) customOutput_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (customOutputCase_ == 1) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              1, (com.google.cloud.aiplatform.v1.RawOutput) customOutput_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.aiplatform.v1.CustomOutput)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.aiplatform.v1.CustomOutput other =
+        (com.google.cloud.aiplatform.v1.CustomOutput) obj;
+
+    if (!getCustomOutputCase().equals(other.getCustomOutputCase())) return false;
+    switch (customOutputCase_) {
+      case 1:
+        if (!getRawOutputs().equals(other.getRawOutputs())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    switch (customOutputCase_) {
+      case 1:
+        hash = (37 * hash) + RAW_OUTPUTS_FIELD_NUMBER;
+        hash = (53 * hash) + getRawOutputs().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutput parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutput parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutput parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutput parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutput parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutput parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutput parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutput parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutput parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutput parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutput parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutput parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.aiplatform.v1.CustomOutput prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for custom output.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.aiplatform.v1.CustomOutput}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.aiplatform.v1.CustomOutput)
+      com.google.cloud.aiplatform.v1.CustomOutputOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_CustomOutput_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_CustomOutput_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.aiplatform.v1.CustomOutput.class,
+              com.google.cloud.aiplatform.v1.CustomOutput.Builder.class);
+    }
+
+    // Construct using com.google.cloud.aiplatform.v1.CustomOutput.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (rawOutputsBuilder_ != null) {
+        rawOutputsBuilder_.clear();
+      }
+      customOutputCase_ = 0;
+      customOutput_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_CustomOutput_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.CustomOutput getDefaultInstanceForType() {
+      return com.google.cloud.aiplatform.v1.CustomOutput.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.CustomOutput build() {
+      com.google.cloud.aiplatform.v1.CustomOutput result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.CustomOutput buildPartial() {
+      com.google.cloud.aiplatform.v1.CustomOutput result =
+          new com.google.cloud.aiplatform.v1.CustomOutput(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.aiplatform.v1.CustomOutput result) {
+      int from_bitField0_ = bitField0_;
+    }
+
+    private void buildPartialOneofs(com.google.cloud.aiplatform.v1.CustomOutput result) {
+      result.customOutputCase_ = customOutputCase_;
+      result.customOutput_ = this.customOutput_;
+      if (customOutputCase_ == 1 && rawOutputsBuilder_ != null) {
+        result.customOutput_ = rawOutputsBuilder_.build();
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.aiplatform.v1.CustomOutput) {
+        return mergeFrom((com.google.cloud.aiplatform.v1.CustomOutput) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.aiplatform.v1.CustomOutput other) {
+      if (other == com.google.cloud.aiplatform.v1.CustomOutput.getDefaultInstance()) return this;
+      switch (other.getCustomOutputCase()) {
+        case RAW_OUTPUTS:
+          {
+            mergeRawOutputs(other.getRawOutputs());
+            break;
+          }
+        case CUSTOMOUTPUT_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                input.readMessage(
+                    internalGetRawOutputsFieldBuilder().getBuilder(), extensionRegistry);
+                customOutputCase_ = 1;
+                break;
+              } // case 10
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int customOutputCase_ = 0;
+    private java.lang.Object customOutput_;
+
+    public CustomOutputCase getCustomOutputCase() {
+      return CustomOutputCase.forNumber(customOutputCase_);
+    }
+
+    public Builder clearCustomOutput() {
+      customOutputCase_ = 0;
+      customOutput_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.RawOutput,
+            com.google.cloud.aiplatform.v1.RawOutput.Builder,
+            com.google.cloud.aiplatform.v1.RawOutputOrBuilder>
+        rawOutputsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of raw output strings.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.RawOutput raw_outputs = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the rawOutputs field is set.
+     */
+    @java.lang.Override
+    public boolean hasRawOutputs() {
+      return customOutputCase_ == 1;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of raw output strings.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.RawOutput raw_outputs = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The rawOutputs.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.RawOutput getRawOutputs() {
+      if (rawOutputsBuilder_ == null) {
+        if (customOutputCase_ == 1) {
+          return (com.google.cloud.aiplatform.v1.RawOutput) customOutput_;
+        }
+        return com.google.cloud.aiplatform.v1.RawOutput.getDefaultInstance();
+      } else {
+        if (customOutputCase_ == 1) {
+          return rawOutputsBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.RawOutput.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of raw output strings.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.RawOutput raw_outputs = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setRawOutputs(com.google.cloud.aiplatform.v1.RawOutput value) {
+      if (rawOutputsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        customOutput_ = value;
+        onChanged();
+      } else {
+        rawOutputsBuilder_.setMessage(value);
+      }
+      customOutputCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of raw output strings.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.RawOutput raw_outputs = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setRawOutputs(com.google.cloud.aiplatform.v1.RawOutput.Builder builderForValue) {
+      if (rawOutputsBuilder_ == null) {
+        customOutput_ = builderForValue.build();
+        onChanged();
+      } else {
+        rawOutputsBuilder_.setMessage(builderForValue.build());
+      }
+      customOutputCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of raw output strings.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.RawOutput raw_outputs = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeRawOutputs(com.google.cloud.aiplatform.v1.RawOutput value) {
+      if (rawOutputsBuilder_ == null) {
+        if (customOutputCase_ == 1
+            && customOutput_ != com.google.cloud.aiplatform.v1.RawOutput.getDefaultInstance()) {
+          customOutput_ =
+              com.google.cloud.aiplatform.v1.RawOutput.newBuilder(
+                      (com.google.cloud.aiplatform.v1.RawOutput) customOutput_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          customOutput_ = value;
+        }
+        onChanged();
+      } else {
+        if (customOutputCase_ == 1) {
+          rawOutputsBuilder_.mergeFrom(value);
+        } else {
+          rawOutputsBuilder_.setMessage(value);
+        }
+      }
+      customOutputCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of raw output strings.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.RawOutput raw_outputs = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearRawOutputs() {
+      if (rawOutputsBuilder_ == null) {
+        if (customOutputCase_ == 1) {
+          customOutputCase_ = 0;
+          customOutput_ = null;
+          onChanged();
+        }
+      } else {
+        if (customOutputCase_ == 1) {
+          customOutputCase_ = 0;
+          customOutput_ = null;
+        }
+        rawOutputsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of raw output strings.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.RawOutput raw_outputs = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.RawOutput.Builder getRawOutputsBuilder() {
+      return internalGetRawOutputsFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of raw output strings.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.RawOutput raw_outputs = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.RawOutputOrBuilder getRawOutputsOrBuilder() {
+      if ((customOutputCase_ == 1) && (rawOutputsBuilder_ != null)) {
+        return rawOutputsBuilder_.getMessageOrBuilder();
+      } else {
+        if (customOutputCase_ == 1) {
+          return (com.google.cloud.aiplatform.v1.RawOutput) customOutput_;
+        }
+        return com.google.cloud.aiplatform.v1.RawOutput.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of raw output strings.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.RawOutput raw_outputs = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.RawOutput,
+            com.google.cloud.aiplatform.v1.RawOutput.Builder,
+            com.google.cloud.aiplatform.v1.RawOutputOrBuilder>
+        internalGetRawOutputsFieldBuilder() {
+      if (rawOutputsBuilder_ == null) {
+        if (!(customOutputCase_ == 1)) {
+          customOutput_ = com.google.cloud.aiplatform.v1.RawOutput.getDefaultInstance();
+        }
+        rawOutputsBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.RawOutput,
+                com.google.cloud.aiplatform.v1.RawOutput.Builder,
+                com.google.cloud.aiplatform.v1.RawOutputOrBuilder>(
+                (com.google.cloud.aiplatform.v1.RawOutput) customOutput_,
+                getParentForChildren(),
+                isClean());
+        customOutput_ = null;
+      }
+      customOutputCase_ = 1;
+      onChanged();
+      return rawOutputsBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.CustomOutput)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.aiplatform.v1.CustomOutput)
+  private static final com.google.cloud.aiplatform.v1.CustomOutput DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.aiplatform.v1.CustomOutput();
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutput getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<CustomOutput> PARSER =
+      new com.google.protobuf.AbstractParser<CustomOutput>() {
+        @java.lang.Override
+        public CustomOutput parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<CustomOutput> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<CustomOutput> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.CustomOutput getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/CustomOutputFormatConfig.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/CustomOutputFormatConfig.java
new file mode 100644
index 000000000000..d9e43b4af733
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/CustomOutputFormatConfig.java
@@ -0,0 +1,629 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Spec for custom output format configuration.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.aiplatform.v1.CustomOutputFormatConfig}
+ */
+@com.google.protobuf.Generated
+public final class CustomOutputFormatConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.aiplatform.v1.CustomOutputFormatConfig)
+    CustomOutputFormatConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "CustomOutputFormatConfig");
+  }
+
+  // Use CustomOutputFormatConfig.newBuilder() to construct.
+  private CustomOutputFormatConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private CustomOutputFormatConfig() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_CustomOutputFormatConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_CustomOutputFormatConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.class,
+            com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.Builder.class);
+  }
+
+  private int customOutputFormatConfigCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object customOutputFormatConfig_;
+
+  public enum CustomOutputFormatConfigCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    RETURN_RAW_OUTPUT(1),
+    CUSTOMOUTPUTFORMATCONFIG_NOT_SET(0);
+    private final int value;
+
+    private CustomOutputFormatConfigCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static CustomOutputFormatConfigCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static CustomOutputFormatConfigCase forNumber(int value) {
+      switch (value) {
+        case 1:
+          return RETURN_RAW_OUTPUT;
+        case 0:
+          return CUSTOMOUTPUTFORMATCONFIG_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public CustomOutputFormatConfigCase getCustomOutputFormatConfigCase() {
+    return CustomOutputFormatConfigCase.forNumber(customOutputFormatConfigCase_);
+  }
+
+  public static final int RETURN_RAW_OUTPUT_FIELD_NUMBER = 1;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Whether to return raw output.
+   * </pre>
+   *
+   * <code>bool return_raw_output = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the returnRawOutput field is set.
+   */
+  @java.lang.Override
+  public boolean hasReturnRawOutput() {
+    return customOutputFormatConfigCase_ == 1;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Whether to return raw output.
+   * </pre>
+   *
+   * <code>bool return_raw_output = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The returnRawOutput.
+   */
+  @java.lang.Override
+  public boolean getReturnRawOutput() {
+    if (customOutputFormatConfigCase_ == 1) {
+      return (java.lang.Boolean) customOutputFormatConfig_;
+    }
+    return false;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (customOutputFormatConfigCase_ == 1) {
+      output.writeBool(1, (boolean) ((java.lang.Boolean) customOutputFormatConfig_));
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (customOutputFormatConfigCase_ == 1) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeBoolSize(
+              1, (boolean) ((java.lang.Boolean) customOutputFormatConfig_));
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.aiplatform.v1.CustomOutputFormatConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.aiplatform.v1.CustomOutputFormatConfig other =
+        (com.google.cloud.aiplatform.v1.CustomOutputFormatConfig) obj;
+
+    if (!getCustomOutputFormatConfigCase().equals(other.getCustomOutputFormatConfigCase()))
+      return false;
+    switch (customOutputFormatConfigCase_) {
+      case 1:
+        if (getReturnRawOutput() != other.getReturnRawOutput()) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    switch (customOutputFormatConfigCase_) {
+      case 1:
+        hash = (37 * hash) + RETURN_RAW_OUTPUT_FIELD_NUMBER;
+        hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getReturnRawOutput());
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutputFormatConfig parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutputFormatConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutputFormatConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutputFormatConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutputFormatConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutputFormatConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutputFormatConfig parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutputFormatConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutputFormatConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutputFormatConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutputFormatConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutputFormatConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.aiplatform.v1.CustomOutputFormatConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for custom output format configuration.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.aiplatform.v1.CustomOutputFormatConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.aiplatform.v1.CustomOutputFormatConfig)
+      com.google.cloud.aiplatform.v1.CustomOutputFormatConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_CustomOutputFormatConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_CustomOutputFormatConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.class,
+              com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      customOutputFormatConfigCase_ = 0;
+      customOutputFormatConfig_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_CustomOutputFormatConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.CustomOutputFormatConfig getDefaultInstanceForType() {
+      return com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.CustomOutputFormatConfig build() {
+      com.google.cloud.aiplatform.v1.CustomOutputFormatConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.CustomOutputFormatConfig buildPartial() {
+      com.google.cloud.aiplatform.v1.CustomOutputFormatConfig result =
+          new com.google.cloud.aiplatform.v1.CustomOutputFormatConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.aiplatform.v1.CustomOutputFormatConfig result) {
+      int from_bitField0_ = bitField0_;
+    }
+
+    private void buildPartialOneofs(
+        com.google.cloud.aiplatform.v1.CustomOutputFormatConfig result) {
+      result.customOutputFormatConfigCase_ = customOutputFormatConfigCase_;
+      result.customOutputFormatConfig_ = this.customOutputFormatConfig_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.aiplatform.v1.CustomOutputFormatConfig) {
+        return mergeFrom((com.google.cloud.aiplatform.v1.CustomOutputFormatConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.aiplatform.v1.CustomOutputFormatConfig other) {
+      if (other == com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.getDefaultInstance())
+        return this;
+      switch (other.getCustomOutputFormatConfigCase()) {
+        case RETURN_RAW_OUTPUT:
+          {
+            setReturnRawOutput(other.getReturnRawOutput());
+            break;
+          }
+        case CUSTOMOUTPUTFORMATCONFIG_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 8:
+              {
+                customOutputFormatConfig_ = input.readBool();
+                customOutputFormatConfigCase_ = 1;
+                break;
+              } // case 8
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int customOutputFormatConfigCase_ = 0;
+    private java.lang.Object customOutputFormatConfig_;
+
+    public CustomOutputFormatConfigCase getCustomOutputFormatConfigCase() {
+      return CustomOutputFormatConfigCase.forNumber(customOutputFormatConfigCase_);
+    }
+
+    public Builder clearCustomOutputFormatConfig() {
+      customOutputFormatConfigCase_ = 0;
+      customOutputFormatConfig_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether to return raw output.
+     * </pre>
+     *
+     * <code>bool return_raw_output = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the returnRawOutput field is set.
+     */
+    public boolean hasReturnRawOutput() {
+      return customOutputFormatConfigCase_ == 1;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether to return raw output.
+     * </pre>
+     *
+     * <code>bool return_raw_output = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The returnRawOutput.
+     */
+    public boolean getReturnRawOutput() {
+      if (customOutputFormatConfigCase_ == 1) {
+        return (java.lang.Boolean) customOutputFormatConfig_;
+      }
+      return false;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether to return raw output.
+     * </pre>
+     *
+     * <code>bool return_raw_output = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The returnRawOutput to set.
+     * @return This builder for chaining.
+     */
+    public Builder setReturnRawOutput(boolean value) {
+
+      customOutputFormatConfigCase_ = 1;
+      customOutputFormatConfig_ = value;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether to return raw output.
+     * </pre>
+     *
+     * <code>bool return_raw_output = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearReturnRawOutput() {
+      if (customOutputFormatConfigCase_ == 1) {
+        customOutputFormatConfigCase_ = 0;
+        customOutputFormatConfig_ = null;
+        onChanged();
+      }
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.CustomOutputFormatConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.aiplatform.v1.CustomOutputFormatConfig)
+  private static final com.google.cloud.aiplatform.v1.CustomOutputFormatConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.aiplatform.v1.CustomOutputFormatConfig();
+  }
+
+  public static com.google.cloud.aiplatform.v1.CustomOutputFormatConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<CustomOutputFormatConfig> PARSER =
+      new com.google.protobuf.AbstractParser<CustomOutputFormatConfig>() {
+        @java.lang.Override
+        public CustomOutputFormatConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<CustomOutputFormatConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<CustomOutputFormatConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.CustomOutputFormatConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/CustomOutputFormatConfigOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/CustomOutputFormatConfigOrBuilder.java
new file mode 100644
index 000000000000..401578278a30
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/CustomOutputFormatConfigOrBuilder.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+@com.google.protobuf.Generated
+public interface CustomOutputFormatConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.aiplatform.v1.CustomOutputFormatConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Whether to return raw output.
+   * </pre>
+   *
+   * <code>bool return_raw_output = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the returnRawOutput field is set.
+   */
+  boolean hasReturnRawOutput();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Whether to return raw output.
+   * </pre>
+   *
+   * <code>bool return_raw_output = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The returnRawOutput.
+   */
+  boolean getReturnRawOutput();
+
+  com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.CustomOutputFormatConfigCase
+      getCustomOutputFormatConfigCase();
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/CustomOutputOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/CustomOutputOrBuilder.java
new file mode 100644
index 000000000000..02a9da20be94
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/CustomOutputOrBuilder.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+@com.google.protobuf.Generated
+public interface CustomOutputOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.aiplatform.v1.CustomOutput)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. List of raw output strings.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.RawOutput raw_outputs = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the rawOutputs field is set.
+   */
+  boolean hasRawOutputs();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. List of raw output strings.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.RawOutput raw_outputs = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The rawOutputs.
+   */
+  com.google.cloud.aiplatform.v1.RawOutput getRawOutputs();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. List of raw output strings.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.RawOutput raw_outputs = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.RawOutputOrBuilder getRawOutputsOrBuilder();
+
+  com.google.cloud.aiplatform.v1.CustomOutput.CustomOutputCase getCustomOutputCase();
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateDatasetResponse.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateDatasetResponse.java
new file mode 100644
index 000000000000..e3943575fcbd
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateDatasetResponse.java
@@ -0,0 +1,1047 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * The results from an evaluation run performed by the EvaluationService.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.aiplatform.v1.EvaluateDatasetResponse}
+ */
+@com.google.protobuf.Generated
+public final class EvaluateDatasetResponse extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.aiplatform.v1.EvaluateDatasetResponse)
+    EvaluateDatasetResponseOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "EvaluateDatasetResponse");
+  }
+
+  // Use EvaluateDatasetResponse.newBuilder() to construct.
+  private EvaluateDatasetResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private EvaluateDatasetResponse() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_EvaluateDatasetResponse_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_EvaluateDatasetResponse_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.aiplatform.v1.EvaluateDatasetResponse.class,
+            com.google.cloud.aiplatform.v1.EvaluateDatasetResponse.Builder.class);
+  }
+
+  private int bitField0_;
+  public static final int AGGREGATION_OUTPUT_FIELD_NUMBER = 1;
+  private com.google.cloud.aiplatform.v1.AggregationOutput aggregationOutput_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Aggregation statistics derived from results of
+   * EvaluationService.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.AggregationOutput aggregation_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the aggregationOutput field is set.
+   */
+  @java.lang.Override
+  public boolean hasAggregationOutput() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Aggregation statistics derived from results of
+   * EvaluationService.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.AggregationOutput aggregation_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The aggregationOutput.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.AggregationOutput getAggregationOutput() {
+    return aggregationOutput_ == null
+        ? com.google.cloud.aiplatform.v1.AggregationOutput.getDefaultInstance()
+        : aggregationOutput_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Aggregation statistics derived from results of
+   * EvaluationService.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.AggregationOutput aggregation_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.AggregationOutputOrBuilder getAggregationOutputOrBuilder() {
+    return aggregationOutput_ == null
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+        : aggregationOutput_;
+  }
+
+  public static final int OUTPUT_INFO_FIELD_NUMBER = 3;
+  private com.google.cloud.aiplatform.v1.OutputInfo outputInfo_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Output info for EvaluationService.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.OutputInfo output_info = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the outputInfo field is set.
+   */
+  @java.lang.Override
+  public boolean hasOutputInfo() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Output info for EvaluationService.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.OutputInfo output_info = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The outputInfo.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.OutputInfo getOutputInfo() {
+    return outputInfo_ == null
+        ? com.google.cloud.aiplatform.v1.OutputInfo.getDefaultInstance()
+        : outputInfo_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Output info for EvaluationService.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.OutputInfo output_info = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.OutputInfoOrBuilder getOutputInfoOrBuilder() {
+    return outputInfo_ == null
+        ? com.google.cloud.aiplatform.v1.OutputInfo.getDefaultInstance()
+        : outputInfo_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(1, getAggregationOutput());
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(3, getOutputInfo());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getAggregationOutput());
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+    if (((bitField0_ & 0x00000002) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getOutputInfo());
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.aiplatform.v1.EvaluateDatasetResponse)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.aiplatform.v1.EvaluateDatasetResponse other =
+        (com.google.cloud.aiplatform.v1.EvaluateDatasetResponse) obj;
+
+    if (hasAggregationOutput() != other.hasAggregationOutput()) return false;
+    if (hasAggregationOutput()) {
+      if (!getAggregationOutput().equals(other.getAggregationOutput())) return false;
+    }
+    if (hasOutputInfo() != other.hasOutputInfo()) return false;
+    if (hasOutputInfo()) {
+      if (!getOutputInfo().equals(other.getOutputInfo())) return false;
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasAggregationOutput()) {
+      hash = (37 * hash) + AGGREGATION_OUTPUT_FIELD_NUMBER;
+      hash = (53 * hash) + getAggregationOutput().hashCode();
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+    if (hasOutputInfo()) {
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+      hash = (53 * hash) + getOutputInfo().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetResponse parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetResponse parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetResponse parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetResponse parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetResponse parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetResponse parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetResponse parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetResponse parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetResponse parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetResponse parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetResponse parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetResponse parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.aiplatform.v1.EvaluateDatasetResponse prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The results from an evaluation run performed by the EvaluationService.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.aiplatform.v1.EvaluateDatasetResponse}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.aiplatform.v1.EvaluateDatasetResponse)
+      com.google.cloud.aiplatform.v1.EvaluateDatasetResponseOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_EvaluateDatasetResponse_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_EvaluateDatasetResponse_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.aiplatform.v1.EvaluateDatasetResponse.class,
+              com.google.cloud.aiplatform.v1.EvaluateDatasetResponse.Builder.class);
+    }
+
+    // Construct using com.google.cloud.aiplatform.v1.EvaluateDatasetResponse.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetAggregationOutputFieldBuilder();
+        internalGetOutputInfoFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
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+      bitField0_ = 0;
+      aggregationOutput_ = null;
+      if (aggregationOutputBuilder_ != null) {
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+        aggregationOutputBuilder_ = null;
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+      outputInfo_ = null;
+      if (outputInfoBuilder_ != null) {
+        outputInfoBuilder_.dispose();
+        outputInfoBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_EvaluateDatasetResponse_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.EvaluateDatasetResponse getDefaultInstanceForType() {
+      return com.google.cloud.aiplatform.v1.EvaluateDatasetResponse.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.EvaluateDatasetResponse build() {
+      com.google.cloud.aiplatform.v1.EvaluateDatasetResponse result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.EvaluateDatasetResponse buildPartial() {
+      com.google.cloud.aiplatform.v1.EvaluateDatasetResponse result =
+          new com.google.cloud.aiplatform.v1.EvaluateDatasetResponse(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.aiplatform.v1.EvaluateDatasetResponse result) {
+      int from_bitField0_ = bitField0_;
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
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+      if (((from_bitField0_ & 0x00000002) != 0)) {
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+        to_bitField0_ |= 0x00000002;
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+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.aiplatform.v1.EvaluateDatasetResponse) {
+        return mergeFrom((com.google.cloud.aiplatform.v1.EvaluateDatasetResponse) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.aiplatform.v1.EvaluateDatasetResponse other) {
+      if (other == com.google.cloud.aiplatform.v1.EvaluateDatasetResponse.getDefaultInstance())
+        return this;
+      if (other.hasAggregationOutput()) {
+        mergeAggregationOutput(other.getAggregationOutput());
+      }
+      if (other.hasOutputInfo()) {
+        mergeOutputInfo(other.getOutputInfo());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
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+              done = true;
+              break;
+            case 10:
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+                input.readMessage(
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+                break;
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+            case 26:
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+      return this;
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+
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+
+    private com.google.cloud.aiplatform.v1.AggregationOutput aggregationOutput_;
+    private com.google.protobuf.SingleFieldBuilder<
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+            com.google.cloud.aiplatform.v1.AggregationOutput.Builder,
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+        aggregationOutputBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Aggregation statistics derived from results of
+     * EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.AggregationOutput aggregation_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the aggregationOutput field is set.
+     */
+    public boolean hasAggregationOutput() {
+      return ((bitField0_ & 0x00000001) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Aggregation statistics derived from results of
+     * EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.AggregationOutput aggregation_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The aggregationOutput.
+     */
+    public com.google.cloud.aiplatform.v1.AggregationOutput getAggregationOutput() {
+      if (aggregationOutputBuilder_ == null) {
+        return aggregationOutput_ == null
+            ? com.google.cloud.aiplatform.v1.AggregationOutput.getDefaultInstance()
+            : aggregationOutput_;
+      } else {
+        return aggregationOutputBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Aggregation statistics derived from results of
+     * EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.AggregationOutput aggregation_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setAggregationOutput(com.google.cloud.aiplatform.v1.AggregationOutput value) {
+      if (aggregationOutputBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        aggregationOutput_ = value;
+      } else {
+        aggregationOutputBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Aggregation statistics derived from results of
+     * EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.AggregationOutput aggregation_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setAggregationOutput(
+        com.google.cloud.aiplatform.v1.AggregationOutput.Builder builderForValue) {
+      if (aggregationOutputBuilder_ == null) {
+        aggregationOutput_ = builderForValue.build();
+      } else {
+        aggregationOutputBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Aggregation statistics derived from results of
+     * EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.AggregationOutput aggregation_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeAggregationOutput(com.google.cloud.aiplatform.v1.AggregationOutput value) {
+      if (aggregationOutputBuilder_ == null) {
+        if (((bitField0_ & 0x00000001) != 0)
+            && aggregationOutput_ != null
+            && aggregationOutput_
+                != com.google.cloud.aiplatform.v1.AggregationOutput.getDefaultInstance()) {
+          getAggregationOutputBuilder().mergeFrom(value);
+        } else {
+          aggregationOutput_ = value;
+        }
+      } else {
+        aggregationOutputBuilder_.mergeFrom(value);
+      }
+      if (aggregationOutput_ != null) {
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Aggregation statistics derived from results of
+     * EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.AggregationOutput aggregation_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearAggregationOutput() {
+      bitField0_ = (bitField0_ & ~0x00000001);
+      aggregationOutput_ = null;
+      if (aggregationOutputBuilder_ != null) {
+        aggregationOutputBuilder_.dispose();
+        aggregationOutputBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Aggregation statistics derived from results of
+     * EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.AggregationOutput aggregation_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.AggregationOutput.Builder getAggregationOutputBuilder() {
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return internalGetAggregationOutputFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Aggregation statistics derived from results of
+     * EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.AggregationOutput aggregation_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.AggregationOutputOrBuilder
+        getAggregationOutputOrBuilder() {
+      if (aggregationOutputBuilder_ != null) {
+        return aggregationOutputBuilder_.getMessageOrBuilder();
+      } else {
+        return aggregationOutput_ == null
+            ? com.google.cloud.aiplatform.v1.AggregationOutput.getDefaultInstance()
+            : aggregationOutput_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Aggregation statistics derived from results of
+     * EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.AggregationOutput aggregation_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.AggregationOutput,
+            com.google.cloud.aiplatform.v1.AggregationOutput.Builder,
+            com.google.cloud.aiplatform.v1.AggregationOutputOrBuilder>
+        internalGetAggregationOutputFieldBuilder() {
+      if (aggregationOutputBuilder_ == null) {
+        aggregationOutputBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.AggregationOutput,
+                com.google.cloud.aiplatform.v1.AggregationOutput.Builder,
+                com.google.cloud.aiplatform.v1.AggregationOutputOrBuilder>(
+                getAggregationOutput(), getParentForChildren(), isClean());
+        aggregationOutput_ = null;
+      }
+      return aggregationOutputBuilder_;
+    }
+
+    private com.google.cloud.aiplatform.v1.OutputInfo outputInfo_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.OutputInfo,
+            com.google.cloud.aiplatform.v1.OutputInfo.Builder,
+            com.google.cloud.aiplatform.v1.OutputInfoOrBuilder>
+        outputInfoBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Output info for EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.OutputInfo output_info = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the outputInfo field is set.
+     */
+    public boolean hasOutputInfo() {
+      return ((bitField0_ & 0x00000002) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Output info for EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.OutputInfo output_info = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The outputInfo.
+     */
+    public com.google.cloud.aiplatform.v1.OutputInfo getOutputInfo() {
+      if (outputInfoBuilder_ == null) {
+        return outputInfo_ == null
+            ? com.google.cloud.aiplatform.v1.OutputInfo.getDefaultInstance()
+            : outputInfo_;
+      } else {
+        return outputInfoBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Output info for EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.OutputInfo output_info = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setOutputInfo(com.google.cloud.aiplatform.v1.OutputInfo value) {
+      if (outputInfoBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        outputInfo_ = value;
+      } else {
+        outputInfoBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Output info for EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.OutputInfo output_info = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setOutputInfo(
+        com.google.cloud.aiplatform.v1.OutputInfo.Builder builderForValue) {
+      if (outputInfoBuilder_ == null) {
+        outputInfo_ = builderForValue.build();
+      } else {
+        outputInfoBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Output info for EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.OutputInfo output_info = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeOutputInfo(com.google.cloud.aiplatform.v1.OutputInfo value) {
+      if (outputInfoBuilder_ == null) {
+        if (((bitField0_ & 0x00000002) != 0)
+            && outputInfo_ != null
+            && outputInfo_ != com.google.cloud.aiplatform.v1.OutputInfo.getDefaultInstance()) {
+          getOutputInfoBuilder().mergeFrom(value);
+        } else {
+          outputInfo_ = value;
+        }
+      } else {
+        outputInfoBuilder_.mergeFrom(value);
+      }
+      if (outputInfo_ != null) {
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Output info for EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.OutputInfo output_info = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearOutputInfo() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      outputInfo_ = null;
+      if (outputInfoBuilder_ != null) {
+        outputInfoBuilder_.dispose();
+        outputInfoBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Output info for EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.OutputInfo output_info = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.OutputInfo.Builder getOutputInfoBuilder() {
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return internalGetOutputInfoFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Output info for EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.OutputInfo output_info = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.OutputInfoOrBuilder getOutputInfoOrBuilder() {
+      if (outputInfoBuilder_ != null) {
+        return outputInfoBuilder_.getMessageOrBuilder();
+      } else {
+        return outputInfo_ == null
+            ? com.google.cloud.aiplatform.v1.OutputInfo.getDefaultInstance()
+            : outputInfo_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Output info for EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.OutputInfo output_info = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.OutputInfo,
+            com.google.cloud.aiplatform.v1.OutputInfo.Builder,
+            com.google.cloud.aiplatform.v1.OutputInfoOrBuilder>
+        internalGetOutputInfoFieldBuilder() {
+      if (outputInfoBuilder_ == null) {
+        outputInfoBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.OutputInfo,
+                com.google.cloud.aiplatform.v1.OutputInfo.Builder,
+                com.google.cloud.aiplatform.v1.OutputInfoOrBuilder>(
+                getOutputInfo(), getParentForChildren(), isClean());
+        outputInfo_ = null;
+      }
+      return outputInfoBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.EvaluateDatasetResponse)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.aiplatform.v1.EvaluateDatasetResponse)
+  private static final com.google.cloud.aiplatform.v1.EvaluateDatasetResponse DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.aiplatform.v1.EvaluateDatasetResponse();
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetResponse getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<EvaluateDatasetResponse> PARSER =
+      new com.google.protobuf.AbstractParser<EvaluateDatasetResponse>() {
+        @java.lang.Override
+        public EvaluateDatasetResponse parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<EvaluateDatasetResponse> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<EvaluateDatasetResponse> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.EvaluateDatasetResponse getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateDatasetResponseOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateDatasetResponseOrBuilder.java
new file mode 100644
index 000000000000..46dcfd5d33c4
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateDatasetResponseOrBuilder.java
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+@com.google.protobuf.Generated
+public interface EvaluateDatasetResponseOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.aiplatform.v1.EvaluateDatasetResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Aggregation statistics derived from results of
+   * EvaluationService.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.AggregationOutput aggregation_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the aggregationOutput field is set.
+   */
+  boolean hasAggregationOutput();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Aggregation statistics derived from results of
+   * EvaluationService.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.AggregationOutput aggregation_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The aggregationOutput.
+   */
+  com.google.cloud.aiplatform.v1.AggregationOutput getAggregationOutput();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Aggregation statistics derived from results of
+   * EvaluationService.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.AggregationOutput aggregation_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.AggregationOutputOrBuilder getAggregationOutputOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Output info for EvaluationService.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.OutputInfo output_info = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the outputInfo field is set.
+   */
+  boolean hasOutputInfo();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Output info for EvaluationService.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.OutputInfo output_info = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The outputInfo.
+   */
+  com.google.cloud.aiplatform.v1.OutputInfo getOutputInfo();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Output info for EvaluationService.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.OutputInfo output_info = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.OutputInfoOrBuilder getOutputInfoOrBuilder();
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateDatasetRun.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateDatasetRun.java
new file mode 100644
index 000000000000..ee075e12ca4d
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateDatasetRun.java
@@ -0,0 +1,1625 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/tuning_job.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Evaluate Dataset Run Result for Tuning Job.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.aiplatform.v1.EvaluateDatasetRun}
+ */
+@com.google.protobuf.Generated
+public final class EvaluateDatasetRun extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.aiplatform.v1.EvaluateDatasetRun)
+    EvaluateDatasetRunOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "EvaluateDatasetRun");
+  }
+
+  // Use EvaluateDatasetRun.newBuilder() to construct.
+  private EvaluateDatasetRun(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private EvaluateDatasetRun() {
+    operationName_ = "";
+    evaluationRun_ = "";
+    checkpointId_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.aiplatform.v1.TuningJobProto
+        .internal_static_google_cloud_aiplatform_v1_EvaluateDatasetRun_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.aiplatform.v1.TuningJobProto
+        .internal_static_google_cloud_aiplatform_v1_EvaluateDatasetRun_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.aiplatform.v1.EvaluateDatasetRun.class,
+            com.google.cloud.aiplatform.v1.EvaluateDatasetRun.Builder.class);
+  }
+
+  private int bitField0_;
+  public static final int OPERATION_NAME_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object operationName_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Deprecated: The updated architecture uses evaluation_run
+   * instead.
+   * </pre>
+   *
+   * <code>
+   * string operation_name = 1 [deprecated = true, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @deprecated google.cloud.aiplatform.v1.EvaluateDatasetRun.operation_name is deprecated. See
+   *     google/cloud/aiplatform/v1/tuning_job.proto;l=407
+   * @return The operationName.
+   */
+  @java.lang.Override
+  @java.lang.Deprecated
+  public java.lang.String getOperationName() {
+    java.lang.Object ref = operationName_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      operationName_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Deprecated: The updated architecture uses evaluation_run
+   * instead.
+   * </pre>
+   *
+   * <code>
+   * string operation_name = 1 [deprecated = true, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @deprecated google.cloud.aiplatform.v1.EvaluateDatasetRun.operation_name is deprecated. See
+   *     google/cloud/aiplatform/v1/tuning_job.proto;l=407
+   * @return The bytes for operationName.
+   */
+  @java.lang.Override
+  @java.lang.Deprecated
+  public com.google.protobuf.ByteString getOperationNameBytes() {
+    java.lang.Object ref = operationName_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      operationName_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int EVALUATION_RUN_FIELD_NUMBER = 5;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object evaluationRun_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The resource name of the evaluation run. Format:
+   * `projects/{project}/locations/{location}/evaluationRuns/{evaluation_run_id}`.
+   * </pre>
+   *
+   * <code>string evaluation_run = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The evaluationRun.
+   */
+  @java.lang.Override
+  public java.lang.String getEvaluationRun() {
+    java.lang.Object ref = evaluationRun_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      evaluationRun_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The resource name of the evaluation run. Format:
+   * `projects/{project}/locations/{location}/evaluationRuns/{evaluation_run_id}`.
+   * </pre>
+   *
+   * <code>string evaluation_run = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for evaluationRun.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getEvaluationRunBytes() {
+    java.lang.Object ref = evaluationRun_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      evaluationRun_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int CHECKPOINT_ID_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object checkpointId_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The checkpoint id used in the evaluation run. Only populated
+   * when evaluating checkpoints.
+   * </pre>
+   *
+   * <code>string checkpoint_id = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The checkpointId.
+   */
+  @java.lang.Override
+  public java.lang.String getCheckpointId() {
+    java.lang.Object ref = checkpointId_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      checkpointId_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The checkpoint id used in the evaluation run. Only populated
+   * when evaluating checkpoints.
+   * </pre>
+   *
+   * <code>string checkpoint_id = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for checkpointId.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getCheckpointIdBytes() {
+    java.lang.Object ref = checkpointId_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      checkpointId_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int EVALUATE_DATASET_RESPONSE_FIELD_NUMBER = 3;
+  private com.google.cloud.aiplatform.v1.EvaluateDatasetResponse evaluateDatasetResponse_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Results for EvaluationService.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.EvaluateDatasetResponse evaluate_dataset_response = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the evaluateDatasetResponse field is set.
+   */
+  @java.lang.Override
+  public boolean hasEvaluateDatasetResponse() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Results for EvaluationService.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.EvaluateDatasetResponse evaluate_dataset_response = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The evaluateDatasetResponse.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.EvaluateDatasetResponse getEvaluateDatasetResponse() {
+    return evaluateDatasetResponse_ == null
+        ? com.google.cloud.aiplatform.v1.EvaluateDatasetResponse.getDefaultInstance()
+        : evaluateDatasetResponse_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Results for EvaluationService.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.EvaluateDatasetResponse evaluate_dataset_response = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.EvaluateDatasetResponseOrBuilder
+      getEvaluateDatasetResponseOrBuilder() {
+    return evaluateDatasetResponse_ == null
+        ? com.google.cloud.aiplatform.v1.EvaluateDatasetResponse.getDefaultInstance()
+        : evaluateDatasetResponse_;
+  }
+
+  public static final int ERROR_FIELD_NUMBER = 4;
+  private com.google.rpc.Status error_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The error of the evaluation run if any.
+   * </pre>
+   *
+   * <code>.google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return Whether the error field is set.
+   */
+  @java.lang.Override
+  public boolean hasError() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The error of the evaluation run if any.
+   * </pre>
+   *
+   * <code>.google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The error.
+   */
+  @java.lang.Override
+  public com.google.rpc.Status getError() {
+    return error_ == null ? com.google.rpc.Status.getDefaultInstance() : error_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The error of the evaluation run if any.
+   * </pre>
+   *
+   * <code>.google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   */
+  @java.lang.Override
+  public com.google.rpc.StatusOrBuilder getErrorOrBuilder() {
+    return error_ == null ? com.google.rpc.Status.getDefaultInstance() : error_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(operationName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, operationName_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(checkpointId_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, checkpointId_);
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(3, getEvaluateDatasetResponse());
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(4, getError());
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(evaluationRun_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 5, evaluationRun_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(operationName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, operationName_);
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+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(checkpointId_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, checkpointId_);
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
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+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, getError());
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(evaluationRun_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(5, evaluationRun_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.aiplatform.v1.EvaluateDatasetRun)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.aiplatform.v1.EvaluateDatasetRun other =
+        (com.google.cloud.aiplatform.v1.EvaluateDatasetRun) obj;
+
+    if (!getOperationName().equals(other.getOperationName())) return false;
+    if (!getEvaluationRun().equals(other.getEvaluationRun())) return false;
+    if (!getCheckpointId().equals(other.getCheckpointId())) return false;
+    if (hasEvaluateDatasetResponse() != other.hasEvaluateDatasetResponse()) return false;
+    if (hasEvaluateDatasetResponse()) {
+      if (!getEvaluateDatasetResponse().equals(other.getEvaluateDatasetResponse())) return false;
+    }
+    if (hasError() != other.hasError()) return false;
+    if (hasError()) {
+      if (!getError().equals(other.getError())) return false;
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + OPERATION_NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getOperationName().hashCode();
+    hash = (37 * hash) + EVALUATION_RUN_FIELD_NUMBER;
+    hash = (53 * hash) + getEvaluationRun().hashCode();
+    hash = (37 * hash) + CHECKPOINT_ID_FIELD_NUMBER;
+    hash = (53 * hash) + getCheckpointId().hashCode();
+    if (hasEvaluateDatasetResponse()) {
+      hash = (37 * hash) + EVALUATE_DATASET_RESPONSE_FIELD_NUMBER;
+      hash = (53 * hash) + getEvaluateDatasetResponse().hashCode();
+    }
+    if (hasError()) {
+      hash = (37 * hash) + ERROR_FIELD_NUMBER;
+      hash = (53 * hash) + getError().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetRun parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetRun parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetRun parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetRun parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetRun parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetRun parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetRun parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetRun parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetRun parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetRun parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetRun parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetRun parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.aiplatform.v1.EvaluateDatasetRun prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Evaluate Dataset Run Result for Tuning Job.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.aiplatform.v1.EvaluateDatasetRun}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.aiplatform.v1.EvaluateDatasetRun)
+      com.google.cloud.aiplatform.v1.EvaluateDatasetRunOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.TuningJobProto
+          .internal_static_google_cloud_aiplatform_v1_EvaluateDatasetRun_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.aiplatform.v1.TuningJobProto
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+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.aiplatform.v1.EvaluateDatasetRun.class,
+              com.google.cloud.aiplatform.v1.EvaluateDatasetRun.Builder.class);
+    }
+
+    // Construct using com.google.cloud.aiplatform.v1.EvaluateDatasetRun.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetEvaluateDatasetResponseFieldBuilder();
+        internalGetErrorFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      operationName_ = "";
+      evaluationRun_ = "";
+      checkpointId_ = "";
+      evaluateDatasetResponse_ = null;
+      if (evaluateDatasetResponseBuilder_ != null) {
+        evaluateDatasetResponseBuilder_.dispose();
+        evaluateDatasetResponseBuilder_ = null;
+      }
+      error_ = null;
+      if (errorBuilder_ != null) {
+        errorBuilder_.dispose();
+        errorBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.aiplatform.v1.TuningJobProto
+          .internal_static_google_cloud_aiplatform_v1_EvaluateDatasetRun_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.EvaluateDatasetRun getDefaultInstanceForType() {
+      return com.google.cloud.aiplatform.v1.EvaluateDatasetRun.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.EvaluateDatasetRun build() {
+      com.google.cloud.aiplatform.v1.EvaluateDatasetRun result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.EvaluateDatasetRun buildPartial() {
+      com.google.cloud.aiplatform.v1.EvaluateDatasetRun result =
+          new com.google.cloud.aiplatform.v1.EvaluateDatasetRun(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.aiplatform.v1.EvaluateDatasetRun result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.operationName_ = operationName_;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.evaluationRun_ = evaluationRun_;
+      }
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.checkpointId_ = checkpointId_;
+      }
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000008) != 0)) {
+        result.evaluateDatasetResponse_ =
+            evaluateDatasetResponseBuilder_ == null
+                ? evaluateDatasetResponse_
+                : evaluateDatasetResponseBuilder_.build();
+        to_bitField0_ |= 0x00000001;
+      }
+      if (((from_bitField0_ & 0x00000010) != 0)) {
+        result.error_ = errorBuilder_ == null ? error_ : errorBuilder_.build();
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+      result.bitField0_ |= to_bitField0_;
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+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.aiplatform.v1.EvaluateDatasetRun) {
+        return mergeFrom((com.google.cloud.aiplatform.v1.EvaluateDatasetRun) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.aiplatform.v1.EvaluateDatasetRun other) {
+      if (other == com.google.cloud.aiplatform.v1.EvaluateDatasetRun.getDefaultInstance())
+        return this;
+      if (!other.getOperationName().isEmpty()) {
+        operationName_ = other.operationName_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      if (!other.getEvaluationRun().isEmpty()) {
+        evaluationRun_ = other.evaluationRun_;
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      if (!other.getCheckpointId().isEmpty()) {
+        checkpointId_ = other.checkpointId_;
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      if (other.hasEvaluateDatasetResponse()) {
+        mergeEvaluateDatasetResponse(other.getEvaluateDatasetResponse());
+      }
+      if (other.hasError()) {
+        mergeError(other.getError());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                operationName_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 18:
+              {
+                checkpointId_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 18
+            case 26:
+              {
+                input.readMessage(
+                    internalGetEvaluateDatasetResponseFieldBuilder().getBuilder(),
+                    extensionRegistry);
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 26
+            case 34:
+              {
+                input.readMessage(internalGetErrorFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000010;
+                break;
+              } // case 34
+            case 42:
+              {
+                evaluationRun_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 42
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object operationName_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Deprecated: The updated architecture uses evaluation_run
+     * instead.
+     * </pre>
+     *
+     * <code>
+     * string operation_name = 1 [deprecated = true, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @deprecated google.cloud.aiplatform.v1.EvaluateDatasetRun.operation_name is deprecated. See
+     *     google/cloud/aiplatform/v1/tuning_job.proto;l=407
+     * @return The operationName.
+     */
+    @java.lang.Deprecated
+    public java.lang.String getOperationName() {
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+        java.lang.String s = bs.toStringUtf8();
+        operationName_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Deprecated: The updated architecture uses evaluation_run
+     * instead.
+     * </pre>
+     *
+     * <code>
+     * string operation_name = 1 [deprecated = true, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @deprecated google.cloud.aiplatform.v1.EvaluateDatasetRun.operation_name is deprecated. See
+     *     google/cloud/aiplatform/v1/tuning_job.proto;l=407
+     * @return The bytes for operationName.
+     */
+    @java.lang.Deprecated
+    public com.google.protobuf.ByteString getOperationNameBytes() {
+      java.lang.Object ref = operationName_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        operationName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Deprecated: The updated architecture uses evaluation_run
+     * instead.
+     * </pre>
+     *
+     * <code>
+     * string operation_name = 1 [deprecated = true, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @deprecated google.cloud.aiplatform.v1.EvaluateDatasetRun.operation_name is deprecated. See
+     *     google/cloud/aiplatform/v1/tuning_job.proto;l=407
+     * @param value The operationName to set.
+     * @return This builder for chaining.
+     */
+    @java.lang.Deprecated
+    public Builder setOperationName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      operationName_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Deprecated: The updated architecture uses evaluation_run
+     * instead.
+     * </pre>
+     *
+     * <code>
+     * string operation_name = 1 [deprecated = true, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @deprecated google.cloud.aiplatform.v1.EvaluateDatasetRun.operation_name is deprecated. See
+     *     google/cloud/aiplatform/v1/tuning_job.proto;l=407
+     * @return This builder for chaining.
+     */
+    @java.lang.Deprecated
+    public Builder clearOperationName() {
+      operationName_ = getDefaultInstance().getOperationName();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Deprecated: The updated architecture uses evaluation_run
+     * instead.
+     * </pre>
+     *
+     * <code>
+     * string operation_name = 1 [deprecated = true, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @deprecated google.cloud.aiplatform.v1.EvaluateDatasetRun.operation_name is deprecated. See
+     *     google/cloud/aiplatform/v1/tuning_job.proto;l=407
+     * @param value The bytes for operationName to set.
+     * @return This builder for chaining.
+     */
+    @java.lang.Deprecated
+    public Builder setOperationNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      operationName_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object evaluationRun_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the evaluation run. Format:
+     * `projects/{project}/locations/{location}/evaluationRuns/{evaluation_run_id}`.
+     * </pre>
+     *
+     * <code>string evaluation_run = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The evaluationRun.
+     */
+    public java.lang.String getEvaluationRun() {
+      java.lang.Object ref = evaluationRun_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        evaluationRun_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the evaluation run. Format:
+     * `projects/{project}/locations/{location}/evaluationRuns/{evaluation_run_id}`.
+     * </pre>
+     *
+     * <code>string evaluation_run = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for evaluationRun.
+     */
+    public com.google.protobuf.ByteString getEvaluationRunBytes() {
+      java.lang.Object ref = evaluationRun_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        evaluationRun_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the evaluation run. Format:
+     * `projects/{project}/locations/{location}/evaluationRuns/{evaluation_run_id}`.
+     * </pre>
+     *
+     * <code>string evaluation_run = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The evaluationRun to set.
+     * @return This builder for chaining.
+     */
+    public Builder setEvaluationRun(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      evaluationRun_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the evaluation run. Format:
+     * `projects/{project}/locations/{location}/evaluationRuns/{evaluation_run_id}`.
+     * </pre>
+     *
+     * <code>string evaluation_run = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearEvaluationRun() {
+      evaluationRun_ = getDefaultInstance().getEvaluationRun();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the evaluation run. Format:
+     * `projects/{project}/locations/{location}/evaluationRuns/{evaluation_run_id}`.
+     * </pre>
+     *
+     * <code>string evaluation_run = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The bytes for evaluationRun to set.
+     * @return This builder for chaining.
+     */
+    public Builder setEvaluationRunBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      evaluationRun_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object checkpointId_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The checkpoint id used in the evaluation run. Only populated
+     * when evaluating checkpoints.
+     * </pre>
+     *
+     * <code>string checkpoint_id = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The checkpointId.
+     */
+    public java.lang.String getCheckpointId() {
+      java.lang.Object ref = checkpointId_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        checkpointId_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The checkpoint id used in the evaluation run. Only populated
+     * when evaluating checkpoints.
+     * </pre>
+     *
+     * <code>string checkpoint_id = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for checkpointId.
+     */
+    public com.google.protobuf.ByteString getCheckpointIdBytes() {
+      java.lang.Object ref = checkpointId_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        checkpointId_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The checkpoint id used in the evaluation run. Only populated
+     * when evaluating checkpoints.
+     * </pre>
+     *
+     * <code>string checkpoint_id = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The checkpointId to set.
+     * @return This builder for chaining.
+     */
+    public Builder setCheckpointId(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkpointId_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The checkpoint id used in the evaluation run. Only populated
+     * when evaluating checkpoints.
+     * </pre>
+     *
+     * <code>string checkpoint_id = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearCheckpointId() {
+      checkpointId_ = getDefaultInstance().getCheckpointId();
+      bitField0_ = (bitField0_ & ~0x00000004);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The checkpoint id used in the evaluation run. Only populated
+     * when evaluating checkpoints.
+     * </pre>
+     *
+     * <code>string checkpoint_id = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The bytes for checkpointId to set.
+     * @return This builder for chaining.
+     */
+    public Builder setCheckpointIdBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      checkpointId_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    private com.google.cloud.aiplatform.v1.EvaluateDatasetResponse evaluateDatasetResponse_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.EvaluateDatasetResponse,
+            com.google.cloud.aiplatform.v1.EvaluateDatasetResponse.Builder,
+            com.google.cloud.aiplatform.v1.EvaluateDatasetResponseOrBuilder>
+        evaluateDatasetResponseBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Results for EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.EvaluateDatasetResponse evaluate_dataset_response = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the evaluateDatasetResponse field is set.
+     */
+    public boolean hasEvaluateDatasetResponse() {
+      return ((bitField0_ & 0x00000008) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Results for EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.EvaluateDatasetResponse evaluate_dataset_response = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The evaluateDatasetResponse.
+     */
+    public com.google.cloud.aiplatform.v1.EvaluateDatasetResponse getEvaluateDatasetResponse() {
+      if (evaluateDatasetResponseBuilder_ == null) {
+        return evaluateDatasetResponse_ == null
+            ? com.google.cloud.aiplatform.v1.EvaluateDatasetResponse.getDefaultInstance()
+            : evaluateDatasetResponse_;
+      } else {
+        return evaluateDatasetResponseBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Results for EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.EvaluateDatasetResponse evaluate_dataset_response = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setEvaluateDatasetResponse(
+        com.google.cloud.aiplatform.v1.EvaluateDatasetResponse value) {
+      if (evaluateDatasetResponseBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        evaluateDatasetResponse_ = value;
+      } else {
+        evaluateDatasetResponseBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Results for EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.EvaluateDatasetResponse evaluate_dataset_response = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setEvaluateDatasetResponse(
+        com.google.cloud.aiplatform.v1.EvaluateDatasetResponse.Builder builderForValue) {
+      if (evaluateDatasetResponseBuilder_ == null) {
+        evaluateDatasetResponse_ = builderForValue.build();
+      } else {
+        evaluateDatasetResponseBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Results for EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.EvaluateDatasetResponse evaluate_dataset_response = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeEvaluateDatasetResponse(
+        com.google.cloud.aiplatform.v1.EvaluateDatasetResponse value) {
+      if (evaluateDatasetResponseBuilder_ == null) {
+        if (((bitField0_ & 0x00000008) != 0)
+            && evaluateDatasetResponse_ != null
+            && evaluateDatasetResponse_
+                != com.google.cloud.aiplatform.v1.EvaluateDatasetResponse.getDefaultInstance()) {
+          getEvaluateDatasetResponseBuilder().mergeFrom(value);
+        } else {
+          evaluateDatasetResponse_ = value;
+        }
+      } else {
+        evaluateDatasetResponseBuilder_.mergeFrom(value);
+      }
+      if (evaluateDatasetResponse_ != null) {
+        bitField0_ |= 0x00000008;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Results for EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.EvaluateDatasetResponse evaluate_dataset_response = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearEvaluateDatasetResponse() {
+      bitField0_ = (bitField0_ & ~0x00000008);
+      evaluateDatasetResponse_ = null;
+      if (evaluateDatasetResponseBuilder_ != null) {
+        evaluateDatasetResponseBuilder_.dispose();
+        evaluateDatasetResponseBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Results for EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.EvaluateDatasetResponse evaluate_dataset_response = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.EvaluateDatasetResponse.Builder
+        getEvaluateDatasetResponseBuilder() {
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return internalGetEvaluateDatasetResponseFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Results for EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.EvaluateDatasetResponse evaluate_dataset_response = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.EvaluateDatasetResponseOrBuilder
+        getEvaluateDatasetResponseOrBuilder() {
+      if (evaluateDatasetResponseBuilder_ != null) {
+        return evaluateDatasetResponseBuilder_.getMessageOrBuilder();
+      } else {
+        return evaluateDatasetResponse_ == null
+            ? com.google.cloud.aiplatform.v1.EvaluateDatasetResponse.getDefaultInstance()
+            : evaluateDatasetResponse_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Results for EvaluationService.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.EvaluateDatasetResponse evaluate_dataset_response = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.EvaluateDatasetResponse,
+            com.google.cloud.aiplatform.v1.EvaluateDatasetResponse.Builder,
+            com.google.cloud.aiplatform.v1.EvaluateDatasetResponseOrBuilder>
+        internalGetEvaluateDatasetResponseFieldBuilder() {
+      if (evaluateDatasetResponseBuilder_ == null) {
+        evaluateDatasetResponseBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.EvaluateDatasetResponse,
+                com.google.cloud.aiplatform.v1.EvaluateDatasetResponse.Builder,
+                com.google.cloud.aiplatform.v1.EvaluateDatasetResponseOrBuilder>(
+                getEvaluateDatasetResponse(), getParentForChildren(), isClean());
+        evaluateDatasetResponse_ = null;
+      }
+      return evaluateDatasetResponseBuilder_;
+    }
+
+    private com.google.rpc.Status error_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.rpc.Status, com.google.rpc.Status.Builder, com.google.rpc.StatusOrBuilder>
+        errorBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The error of the evaluation run if any.
+     * </pre>
+     *
+     * <code>.google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return Whether the error field is set.
+     */
+    public boolean hasError() {
+      return ((bitField0_ & 0x00000010) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The error of the evaluation run if any.
+     * </pre>
+     *
+     * <code>.google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The error.
+     */
+    public com.google.rpc.Status getError() {
+      if (errorBuilder_ == null) {
+        return error_ == null ? com.google.rpc.Status.getDefaultInstance() : error_;
+      } else {
+        return errorBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The error of the evaluation run if any.
+     * </pre>
+     *
+     * <code>.google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     */
+    public Builder setError(com.google.rpc.Status value) {
+      if (errorBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        error_ = value;
+      } else {
+        errorBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The error of the evaluation run if any.
+     * </pre>
+     *
+     * <code>.google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     */
+    public Builder setError(com.google.rpc.Status.Builder builderForValue) {
+      if (errorBuilder_ == null) {
+        error_ = builderForValue.build();
+      } else {
+        errorBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The error of the evaluation run if any.
+     * </pre>
+     *
+     * <code>.google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     */
+    public Builder mergeError(com.google.rpc.Status value) {
+      if (errorBuilder_ == null) {
+        if (((bitField0_ & 0x00000010) != 0)
+            && error_ != null
+            && error_ != com.google.rpc.Status.getDefaultInstance()) {
+          getErrorBuilder().mergeFrom(value);
+        } else {
+          error_ = value;
+        }
+      } else {
+        errorBuilder_.mergeFrom(value);
+      }
+      if (error_ != null) {
+        bitField0_ |= 0x00000010;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The error of the evaluation run if any.
+     * </pre>
+     *
+     * <code>.google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     */
+    public Builder clearError() {
+      bitField0_ = (bitField0_ & ~0x00000010);
+      error_ = null;
+      if (errorBuilder_ != null) {
+        errorBuilder_.dispose();
+        errorBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The error of the evaluation run if any.
+     * </pre>
+     *
+     * <code>.google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     */
+    public com.google.rpc.Status.Builder getErrorBuilder() {
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return internalGetErrorFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The error of the evaluation run if any.
+     * </pre>
+     *
+     * <code>.google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     */
+    public com.google.rpc.StatusOrBuilder getErrorOrBuilder() {
+      if (errorBuilder_ != null) {
+        return errorBuilder_.getMessageOrBuilder();
+      } else {
+        return error_ == null ? com.google.rpc.Status.getDefaultInstance() : error_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The error of the evaluation run if any.
+     * </pre>
+     *
+     * <code>.google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.rpc.Status, com.google.rpc.Status.Builder, com.google.rpc.StatusOrBuilder>
+        internalGetErrorFieldBuilder() {
+      if (errorBuilder_ == null) {
+        errorBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.rpc.Status,
+                com.google.rpc.Status.Builder,
+                com.google.rpc.StatusOrBuilder>(getError(), getParentForChildren(), isClean());
+        error_ = null;
+      }
+      return errorBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.EvaluateDatasetRun)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.aiplatform.v1.EvaluateDatasetRun)
+  private static final com.google.cloud.aiplatform.v1.EvaluateDatasetRun DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.aiplatform.v1.EvaluateDatasetRun();
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluateDatasetRun getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<EvaluateDatasetRun> PARSER =
+      new com.google.protobuf.AbstractParser<EvaluateDatasetRun>() {
+        @java.lang.Override
+        public EvaluateDatasetRun parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<EvaluateDatasetRun> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<EvaluateDatasetRun> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.EvaluateDatasetRun getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateDatasetRunOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateDatasetRunOrBuilder.java
new file mode 100644
index 000000000000..29bdf500bad4
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateDatasetRunOrBuilder.java
@@ -0,0 +1,203 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/tuning_job.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+@com.google.protobuf.Generated
+public interface EvaluateDatasetRunOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.aiplatform.v1.EvaluateDatasetRun)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Deprecated: The updated architecture uses evaluation_run
+   * instead.
+   * </pre>
+   *
+   * <code>
+   * string operation_name = 1 [deprecated = true, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @deprecated google.cloud.aiplatform.v1.EvaluateDatasetRun.operation_name is deprecated. See
+   *     google/cloud/aiplatform/v1/tuning_job.proto;l=407
+   * @return The operationName.
+   */
+  @java.lang.Deprecated
+  java.lang.String getOperationName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Deprecated: The updated architecture uses evaluation_run
+   * instead.
+   * </pre>
+   *
+   * <code>
+   * string operation_name = 1 [deprecated = true, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @deprecated google.cloud.aiplatform.v1.EvaluateDatasetRun.operation_name is deprecated. See
+   *     google/cloud/aiplatform/v1/tuning_job.proto;l=407
+   * @return The bytes for operationName.
+   */
+  @java.lang.Deprecated
+  com.google.protobuf.ByteString getOperationNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The resource name of the evaluation run. Format:
+   * `projects/{project}/locations/{location}/evaluationRuns/{evaluation_run_id}`.
+   * </pre>
+   *
+   * <code>string evaluation_run = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The evaluationRun.
+   */
+  java.lang.String getEvaluationRun();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The resource name of the evaluation run. Format:
+   * `projects/{project}/locations/{location}/evaluationRuns/{evaluation_run_id}`.
+   * </pre>
+   *
+   * <code>string evaluation_run = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for evaluationRun.
+   */
+  com.google.protobuf.ByteString getEvaluationRunBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The checkpoint id used in the evaluation run. Only populated
+   * when evaluating checkpoints.
+   * </pre>
+   *
+   * <code>string checkpoint_id = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The checkpointId.
+   */
+  java.lang.String getCheckpointId();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The checkpoint id used in the evaluation run. Only populated
+   * when evaluating checkpoints.
+   * </pre>
+   *
+   * <code>string checkpoint_id = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for checkpointId.
+   */
+  com.google.protobuf.ByteString getCheckpointIdBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Results for EvaluationService.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.EvaluateDatasetResponse evaluate_dataset_response = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the evaluateDatasetResponse field is set.
+   */
+  boolean hasEvaluateDatasetResponse();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Results for EvaluationService.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.EvaluateDatasetResponse evaluate_dataset_response = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The evaluateDatasetResponse.
+   */
+  com.google.cloud.aiplatform.v1.EvaluateDatasetResponse getEvaluateDatasetResponse();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Results for EvaluationService.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.EvaluateDatasetResponse evaluate_dataset_response = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.EvaluateDatasetResponseOrBuilder
+      getEvaluateDatasetResponseOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The error of the evaluation run if any.
+   * </pre>
+   *
+   * <code>.google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return Whether the error field is set.
+   */
+  boolean hasError();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The error of the evaluation run if any.
+   * </pre>
+   *
+   * <code>.google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The error.
+   */
+  com.google.rpc.Status getError();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The error of the evaluation run if any.
+   * </pre>
+   *
+   * <code>.google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   */
+  com.google.rpc.StatusOrBuilder getErrorOrBuilder();
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateInstancesResponse.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateInstancesResponse.java
index 42a5a3abef03..e67d4f809771 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateInstancesResponse.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateInstancesResponse.java
@@ -51,7 +51,9 @@ private EvaluateInstancesResponse(com.google.protobuf.GeneratedMessage.Builder<?
     super(builder);
   }
 
-  private EvaluateInstancesResponse() {}
+  private EvaluateInstancesResponse() {
+    metricResults_ = java.util.Collections.emptyList();
+  }
 
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.aiplatform.v1.EvaluationServiceProto
@@ -1654,6 +1656,92 @@ public com.google.cloud.aiplatform.v1.MetricxResultOrBuilder getMetricxResultOrB
     return com.google.cloud.aiplatform.v1.MetricxResult.getDefaultInstance();
   }
 
+  public static final int METRIC_RESULTS_FIELD_NUMBER = 43;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.aiplatform.v1.MetricResult> metricResults_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Metric results for each instance.
+   * The order of the metric results is guaranteed to be the same as the order
+   * of the instances in the request.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.aiplatform.v1.MetricResult> getMetricResultsList() {
+    return metricResults_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Metric results for each instance.
+   * The order of the metric results is guaranteed to be the same as the order
+   * of the instances in the request.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.aiplatform.v1.MetricResultOrBuilder>
+      getMetricResultsOrBuilderList() {
+    return metricResults_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Metric results for each instance.
+   * The order of the metric results is guaranteed to be the same as the order
+   * of the instances in the request.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+   */
+  @java.lang.Override
+  public int getMetricResultsCount() {
+    return metricResults_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Metric results for each instance.
+   * The order of the metric results is guaranteed to be the same as the order
+   * of the instances in the request.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.MetricResult getMetricResults(int index) {
+    return metricResults_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Metric results for each instance.
+   * The order of the metric results is guaranteed to be the same as the order
+   * of the instances in the request.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.MetricResultOrBuilder getMetricResultsOrBuilder(int index) {
+    return metricResults_.get(index);
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -1765,6 +1853,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (evaluationResultsCase_ == 30) {
       output.writeMessage(30, (com.google.cloud.aiplatform.v1.MetricxResult) evaluationResults_);
     }
+    for (int i = 0; i < metricResults_.size(); i++) {
+      output.writeMessage(43, metricResults_.get(i));
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -1910,6 +2001,9 @@ public int getSerializedSize() {
           com.google.protobuf.CodedOutputStream.computeMessageSize(
               30, (com.google.cloud.aiplatform.v1.MetricxResult) evaluationResults_);
     }
+    for (int i = 0; i < metricResults_.size(); i++) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(43, metricResults_.get(i));
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -1926,6 +2020,7 @@ public boolean equals(final java.lang.Object obj) {
     com.google.cloud.aiplatform.v1.EvaluateInstancesResponse other =
         (com.google.cloud.aiplatform.v1.EvaluateInstancesResponse) obj;
 
+    if (!getMetricResultsList().equals(other.getMetricResultsList())) return false;
     if (!getEvaluationResultsCase().equals(other.getEvaluationResultsCase())) return false;
     switch (evaluationResultsCase_) {
       case 1:
@@ -2028,6 +2123,10 @@ public int hashCode() {
     }
     int hash = 41;
     hash = (19 * hash) + getDescriptor().hashCode();
+    if (getMetricResultsCount() > 0) {
+      hash = (37 * hash) + METRIC_RESULTS_FIELD_NUMBER;
+      hash = (53 * hash) + getMetricResultsList().hashCode();
+    }
     switch (evaluationResultsCase_) {
       case 1:
         hash = (37 * hash) + EXACT_MATCH_RESULTS_FIELD_NUMBER;
@@ -2348,6 +2447,13 @@ public Builder clear() {
       if (metricxResultBuilder_ != null) {
         metricxResultBuilder_.clear();
       }
+      if (metricResultsBuilder_ == null) {
+        metricResults_ = java.util.Collections.emptyList();
+      } else {
+        metricResults_ = null;
+        metricResultsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x02000000);
       evaluationResultsCase_ = 0;
       evaluationResults_ = null;
       return this;
@@ -2377,6 +2483,7 @@ public com.google.cloud.aiplatform.v1.EvaluateInstancesResponse build() {
     public com.google.cloud.aiplatform.v1.EvaluateInstancesResponse buildPartial() {
       com.google.cloud.aiplatform.v1.EvaluateInstancesResponse result =
           new com.google.cloud.aiplatform.v1.EvaluateInstancesResponse(this);
+      buildPartialRepeatedFields(result);
       if (bitField0_ != 0) {
         buildPartial0(result);
       }
@@ -2385,6 +2492,19 @@ public com.google.cloud.aiplatform.v1.EvaluateInstancesResponse buildPartial() {
       return result;
     }
 
+    private void buildPartialRepeatedFields(
+        com.google.cloud.aiplatform.v1.EvaluateInstancesResponse result) {
+      if (metricResultsBuilder_ == null) {
+        if (((bitField0_ & 0x02000000) != 0)) {
+          metricResults_ = java.util.Collections.unmodifiableList(metricResults_);
+          bitField0_ = (bitField0_ & ~0x02000000);
+        }
+        result.metricResults_ = metricResults_;
+      } else {
+        result.metricResults_ = metricResultsBuilder_.build();
+      }
+    }
+
     private void buildPartial0(com.google.cloud.aiplatform.v1.EvaluateInstancesResponse result) {
       int from_bitField0_ = bitField0_;
     }
@@ -2483,6 +2603,33 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
     public Builder mergeFrom(com.google.cloud.aiplatform.v1.EvaluateInstancesResponse other) {
       if (other == com.google.cloud.aiplatform.v1.EvaluateInstancesResponse.getDefaultInstance())
         return this;
+      if (metricResultsBuilder_ == null) {
+        if (!other.metricResults_.isEmpty()) {
+          if (metricResults_.isEmpty()) {
+            metricResults_ = other.metricResults_;
+            bitField0_ = (bitField0_ & ~0x02000000);
+          } else {
+            ensureMetricResultsIsMutable();
+            metricResults_.addAll(other.metricResults_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.metricResults_.isEmpty()) {
+          if (metricResultsBuilder_.isEmpty()) {
+            metricResultsBuilder_.dispose();
+            metricResultsBuilder_ = null;
+            metricResults_ = other.metricResults_;
+            bitField0_ = (bitField0_ & ~0x02000000);
+            metricResultsBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetMetricResultsFieldBuilder()
+                    : null;
+          } else {
+            metricResultsBuilder_.addAllMessages(other.metricResults_);
+          }
+        }
+      }
       switch (other.getEvaluationResultsCase()) {
         case EXACT_MATCH_RESULTS:
           {
@@ -2827,6 +2974,19 @@ public Builder mergeFrom(
                 evaluationResultsCase_ = 30;
                 break;
               } // case 242
+            case 346:
+              {
+                com.google.cloud.aiplatform.v1.MetricResult m =
+                    input.readMessage(
+                        com.google.cloud.aiplatform.v1.MetricResult.parser(), extensionRegistry);
+                if (metricResultsBuilder_ == null) {
+                  ensureMetricResultsIsMutable();
+                  metricResults_.add(m);
+                } else {
+                  metricResultsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 346
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -8753,6 +8913,414 @@ public com.google.cloud.aiplatform.v1.MetricxResultOrBuilder getMetricxResultOrB
       return metricxResultBuilder_;
     }
 
+    private java.util.List<com.google.cloud.aiplatform.v1.MetricResult> metricResults_ =
+        java.util.Collections.emptyList();
+
+    private void ensureMetricResultsIsMutable() {
+      if (!((bitField0_ & 0x02000000) != 0)) {
+        metricResults_ =
+            new java.util.ArrayList<com.google.cloud.aiplatform.v1.MetricResult>(metricResults_);
+        bitField0_ |= 0x02000000;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.aiplatform.v1.MetricResult,
+            com.google.cloud.aiplatform.v1.MetricResult.Builder,
+            com.google.cloud.aiplatform.v1.MetricResultOrBuilder>
+        metricResultsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Metric results for each instance.
+     * The order of the metric results is guaranteed to be the same as the order
+     * of the instances in the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+     */
+    public java.util.List<com.google.cloud.aiplatform.v1.MetricResult> getMetricResultsList() {
+      if (metricResultsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(metricResults_);
+      } else {
+        return metricResultsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metric results for each instance.
+     * The order of the metric results is guaranteed to be the same as the order
+     * of the instances in the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+     */
+    public int getMetricResultsCount() {
+      if (metricResultsBuilder_ == null) {
+        return metricResults_.size();
+      } else {
+        return metricResultsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metric results for each instance.
+     * The order of the metric results is guaranteed to be the same as the order
+     * of the instances in the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+     */
+    public com.google.cloud.aiplatform.v1.MetricResult getMetricResults(int index) {
+      if (metricResultsBuilder_ == null) {
+        return metricResults_.get(index);
+      } else {
+        return metricResultsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metric results for each instance.
+     * The order of the metric results is guaranteed to be the same as the order
+     * of the instances in the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+     */
+    public Builder setMetricResults(int index, com.google.cloud.aiplatform.v1.MetricResult value) {
+      if (metricResultsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureMetricResultsIsMutable();
+        metricResults_.set(index, value);
+        onChanged();
+      } else {
+        metricResultsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metric results for each instance.
+     * The order of the metric results is guaranteed to be the same as the order
+     * of the instances in the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+     */
+    public Builder setMetricResults(
+        int index, com.google.cloud.aiplatform.v1.MetricResult.Builder builderForValue) {
+      if (metricResultsBuilder_ == null) {
+        ensureMetricResultsIsMutable();
+        metricResults_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        metricResultsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metric results for each instance.
+     * The order of the metric results is guaranteed to be the same as the order
+     * of the instances in the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+     */
+    public Builder addMetricResults(com.google.cloud.aiplatform.v1.MetricResult value) {
+      if (metricResultsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureMetricResultsIsMutable();
+        metricResults_.add(value);
+        onChanged();
+      } else {
+        metricResultsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metric results for each instance.
+     * The order of the metric results is guaranteed to be the same as the order
+     * of the instances in the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+     */
+    public Builder addMetricResults(int index, com.google.cloud.aiplatform.v1.MetricResult value) {
+      if (metricResultsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureMetricResultsIsMutable();
+        metricResults_.add(index, value);
+        onChanged();
+      } else {
+        metricResultsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metric results for each instance.
+     * The order of the metric results is guaranteed to be the same as the order
+     * of the instances in the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+     */
+    public Builder addMetricResults(
+        com.google.cloud.aiplatform.v1.MetricResult.Builder builderForValue) {
+      if (metricResultsBuilder_ == null) {
+        ensureMetricResultsIsMutable();
+        metricResults_.add(builderForValue.build());
+        onChanged();
+      } else {
+        metricResultsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metric results for each instance.
+     * The order of the metric results is guaranteed to be the same as the order
+     * of the instances in the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+     */
+    public Builder addMetricResults(
+        int index, com.google.cloud.aiplatform.v1.MetricResult.Builder builderForValue) {
+      if (metricResultsBuilder_ == null) {
+        ensureMetricResultsIsMutable();
+        metricResults_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        metricResultsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metric results for each instance.
+     * The order of the metric results is guaranteed to be the same as the order
+     * of the instances in the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+     */
+    public Builder addAllMetricResults(
+        java.lang.Iterable<? extends com.google.cloud.aiplatform.v1.MetricResult> values) {
+      if (metricResultsBuilder_ == null) {
+        ensureMetricResultsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, metricResults_);
+        onChanged();
+      } else {
+        metricResultsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metric results for each instance.
+     * The order of the metric results is guaranteed to be the same as the order
+     * of the instances in the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+     */
+    public Builder clearMetricResults() {
+      if (metricResultsBuilder_ == null) {
+        metricResults_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x02000000);
+        onChanged();
+      } else {
+        metricResultsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metric results for each instance.
+     * The order of the metric results is guaranteed to be the same as the order
+     * of the instances in the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+     */
+    public Builder removeMetricResults(int index) {
+      if (metricResultsBuilder_ == null) {
+        ensureMetricResultsIsMutable();
+        metricResults_.remove(index);
+        onChanged();
+      } else {
+        metricResultsBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metric results for each instance.
+     * The order of the metric results is guaranteed to be the same as the order
+     * of the instances in the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+     */
+    public com.google.cloud.aiplatform.v1.MetricResult.Builder getMetricResultsBuilder(int index) {
+      return internalGetMetricResultsFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metric results for each instance.
+     * The order of the metric results is guaranteed to be the same as the order
+     * of the instances in the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+     */
+    public com.google.cloud.aiplatform.v1.MetricResultOrBuilder getMetricResultsOrBuilder(
+        int index) {
+      if (metricResultsBuilder_ == null) {
+        return metricResults_.get(index);
+      } else {
+        return metricResultsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metric results for each instance.
+     * The order of the metric results is guaranteed to be the same as the order
+     * of the instances in the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+     */
+    public java.util.List<? extends com.google.cloud.aiplatform.v1.MetricResultOrBuilder>
+        getMetricResultsOrBuilderList() {
+      if (metricResultsBuilder_ != null) {
+        return metricResultsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(metricResults_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metric results for each instance.
+     * The order of the metric results is guaranteed to be the same as the order
+     * of the instances in the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+     */
+    public com.google.cloud.aiplatform.v1.MetricResult.Builder addMetricResultsBuilder() {
+      return internalGetMetricResultsFieldBuilder()
+          .addBuilder(com.google.cloud.aiplatform.v1.MetricResult.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metric results for each instance.
+     * The order of the metric results is guaranteed to be the same as the order
+     * of the instances in the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+     */
+    public com.google.cloud.aiplatform.v1.MetricResult.Builder addMetricResultsBuilder(int index) {
+      return internalGetMetricResultsFieldBuilder()
+          .addBuilder(index, com.google.cloud.aiplatform.v1.MetricResult.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metric results for each instance.
+     * The order of the metric results is guaranteed to be the same as the order
+     * of the instances in the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+     */
+    public java.util.List<com.google.cloud.aiplatform.v1.MetricResult.Builder>
+        getMetricResultsBuilderList() {
+      return internalGetMetricResultsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.aiplatform.v1.MetricResult,
+            com.google.cloud.aiplatform.v1.MetricResult.Builder,
+            com.google.cloud.aiplatform.v1.MetricResultOrBuilder>
+        internalGetMetricResultsFieldBuilder() {
+      if (metricResultsBuilder_ == null) {
+        metricResultsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.aiplatform.v1.MetricResult,
+                com.google.cloud.aiplatform.v1.MetricResult.Builder,
+                com.google.cloud.aiplatform.v1.MetricResultOrBuilder>(
+                metricResults_,
+                ((bitField0_ & 0x02000000) != 0),
+                getParentForChildren(),
+                isClean());
+        metricResults_ = null;
+      }
+      return metricResultsBuilder_;
+    }
+
     // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.EvaluateInstancesResponse)
   }
 
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateInstancesResponseOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateInstancesResponseOrBuilder.java
index a5d75e358737..bee864bcf299 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateInstancesResponseOrBuilder.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluateInstancesResponseOrBuilder.java
@@ -1054,6 +1054,72 @@ public interface EvaluateInstancesResponseOrBuilder
    */
   com.google.cloud.aiplatform.v1.MetricxResultOrBuilder getMetricxResultOrBuilder();
 
+  /**
+   *
+   *
+   * <pre>
+   * Metric results for each instance.
+   * The order of the metric results is guaranteed to be the same as the order
+   * of the instances in the request.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+   */
+  java.util.List<com.google.cloud.aiplatform.v1.MetricResult> getMetricResultsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Metric results for each instance.
+   * The order of the metric results is guaranteed to be the same as the order
+   * of the instances in the request.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+   */
+  com.google.cloud.aiplatform.v1.MetricResult getMetricResults(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Metric results for each instance.
+   * The order of the metric results is guaranteed to be the same as the order
+   * of the instances in the request.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+   */
+  int getMetricResultsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Metric results for each instance.
+   * The order of the metric results is guaranteed to be the same as the order
+   * of the instances in the request.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+   */
+  java.util.List<? extends com.google.cloud.aiplatform.v1.MetricResultOrBuilder>
+      getMetricResultsOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Metric results for each instance.
+   * The order of the metric results is guaranteed to be the same as the order
+   * of the instances in the request.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.aiplatform.v1.MetricResult metric_results = 43;</code>
+   */
+  com.google.cloud.aiplatform.v1.MetricResultOrBuilder getMetricResultsOrBuilder(int index);
+
   com.google.cloud.aiplatform.v1.EvaluateInstancesResponse.EvaluationResultsCase
       getEvaluationResultsCase();
 }
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluationConfig.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluationConfig.java
new file mode 100644
index 000000000000..0d4d29fb3fc3
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluationConfig.java
@@ -0,0 +1,1925 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/tuning_job.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Evaluation Config for Tuning Job.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.aiplatform.v1.EvaluationConfig}
+ */
+@com.google.protobuf.Generated
+public final class EvaluationConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.aiplatform.v1.EvaluationConfig)
+    EvaluationConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "EvaluationConfig");
+  }
+
+  // Use EvaluationConfig.newBuilder() to construct.
+  private EvaluationConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private EvaluationConfig() {
+    metrics_ = java.util.Collections.emptyList();
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.aiplatform.v1.TuningJobProto
+        .internal_static_google_cloud_aiplatform_v1_EvaluationConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.aiplatform.v1.TuningJobProto
+        .internal_static_google_cloud_aiplatform_v1_EvaluationConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.aiplatform.v1.EvaluationConfig.class,
+            com.google.cloud.aiplatform.v1.EvaluationConfig.Builder.class);
+  }
+
+  private int bitField0_;
+  public static final int METRICS_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.aiplatform.v1.Metric> metrics_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The metrics used for evaluation.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.aiplatform.v1.Metric> getMetricsList() {
+    return metrics_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The metrics used for evaluation.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.aiplatform.v1.MetricOrBuilder>
+      getMetricsOrBuilderList() {
+    return metrics_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The metrics used for evaluation.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  @java.lang.Override
+  public int getMetricsCount() {
+    return metrics_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The metrics used for evaluation.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.Metric getMetrics(int index) {
+    return metrics_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The metrics used for evaluation.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.MetricOrBuilder getMetricsOrBuilder(int index) {
+    return metrics_.get(index);
+  }
+
+  public static final int OUTPUT_CONFIG_FIELD_NUMBER = 2;
+  private com.google.cloud.aiplatform.v1.OutputConfig outputConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Config for evaluation output.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return Whether the outputConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasOutputConfig() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Config for evaluation output.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The outputConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.OutputConfig getOutputConfig() {
+    return outputConfig_ == null
+        ? com.google.cloud.aiplatform.v1.OutputConfig.getDefaultInstance()
+        : outputConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Config for evaluation output.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.OutputConfigOrBuilder getOutputConfigOrBuilder() {
+    return outputConfig_ == null
+        ? com.google.cloud.aiplatform.v1.OutputConfig.getDefaultInstance()
+        : outputConfig_;
+  }
+
+  public static final int AUTORATER_CONFIG_FIELD_NUMBER = 3;
+  private com.google.cloud.aiplatform.v1.AutoraterConfig autoraterConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Autorater config for evaluation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.AutoraterConfig autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the autoraterConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasAutoraterConfig() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Autorater config for evaluation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.AutoraterConfig autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The autoraterConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.AutoraterConfig getAutoraterConfig() {
+    return autoraterConfig_ == null
+        ? com.google.cloud.aiplatform.v1.AutoraterConfig.getDefaultInstance()
+        : autoraterConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Autorater config for evaluation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.AutoraterConfig autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.AutoraterConfigOrBuilder getAutoraterConfigOrBuilder() {
+    return autoraterConfig_ == null
+        ? com.google.cloud.aiplatform.v1.AutoraterConfig.getDefaultInstance()
+        : autoraterConfig_;
+  }
+
+  public static final int INFERENCE_GENERATION_CONFIG_FIELD_NUMBER = 5;
+  private com.google.cloud.aiplatform.v1.GenerationConfig inferenceGenerationConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Configuration options for inference generation and outputs.
+   * If not set, default generation parameters are used.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.GenerationConfig inference_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the inferenceGenerationConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasInferenceGenerationConfig() {
+    return ((bitField0_ & 0x00000004) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Configuration options for inference generation and outputs.
+   * If not set, default generation parameters are used.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.GenerationConfig inference_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The inferenceGenerationConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.GenerationConfig getInferenceGenerationConfig() {
+    return inferenceGenerationConfig_ == null
+        ? com.google.cloud.aiplatform.v1.GenerationConfig.getDefaultInstance()
+        : inferenceGenerationConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Configuration options for inference generation and outputs.
+   * If not set, default generation parameters are used.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.GenerationConfig inference_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.GenerationConfigOrBuilder
+      getInferenceGenerationConfigOrBuilder() {
+    return inferenceGenerationConfig_ == null
+        ? com.google.cloud.aiplatform.v1.GenerationConfig.getDefaultInstance()
+        : inferenceGenerationConfig_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    for (int i = 0; i < metrics_.size(); i++) {
+      output.writeMessage(1, metrics_.get(i));
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(2, getOutputConfig());
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(3, getAutoraterConfig());
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      output.writeMessage(5, getInferenceGenerationConfig());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    for (int i = 0; i < metrics_.size(); i++) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, metrics_.get(i));
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getOutputConfig());
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getAutoraterConfig());
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              5, getInferenceGenerationConfig());
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.aiplatform.v1.EvaluationConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.aiplatform.v1.EvaluationConfig other =
+        (com.google.cloud.aiplatform.v1.EvaluationConfig) obj;
+
+    if (!getMetricsList().equals(other.getMetricsList())) return false;
+    if (hasOutputConfig() != other.hasOutputConfig()) return false;
+    if (hasOutputConfig()) {
+      if (!getOutputConfig().equals(other.getOutputConfig())) return false;
+    }
+    if (hasAutoraterConfig() != other.hasAutoraterConfig()) return false;
+    if (hasAutoraterConfig()) {
+      if (!getAutoraterConfig().equals(other.getAutoraterConfig())) return false;
+    }
+    if (hasInferenceGenerationConfig() != other.hasInferenceGenerationConfig()) return false;
+    if (hasInferenceGenerationConfig()) {
+      if (!getInferenceGenerationConfig().equals(other.getInferenceGenerationConfig()))
+        return false;
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (getMetricsCount() > 0) {
+      hash = (37 * hash) + METRICS_FIELD_NUMBER;
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+
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+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
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+
+  public static com.google.cloud.aiplatform.v1.EvaluationConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationConfig parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
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+  public static com.google.cloud.aiplatform.v1.EvaluationConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
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+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.aiplatform.v1.EvaluationConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Evaluation Config for Tuning Job.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.aiplatform.v1.EvaluationConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.aiplatform.v1.EvaluationConfig)
+      com.google.cloud.aiplatform.v1.EvaluationConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.TuningJobProto
+          .internal_static_google_cloud_aiplatform_v1_EvaluationConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
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+              com.google.cloud.aiplatform.v1.EvaluationConfig.class,
+              com.google.cloud.aiplatform.v1.EvaluationConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.aiplatform.v1.EvaluationConfig.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
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+        internalGetMetricsFieldBuilder();
+        internalGetOutputConfigFieldBuilder();
+        internalGetAutoraterConfigFieldBuilder();
+        internalGetInferenceGenerationConfigFieldBuilder();
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+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (metricsBuilder_ == null) {
+        metrics_ = java.util.Collections.emptyList();
+      } else {
+        metrics_ = null;
+        metricsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00000001);
+      outputConfig_ = null;
+      if (outputConfigBuilder_ != null) {
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+      autoraterConfig_ = null;
+      if (autoraterConfigBuilder_ != null) {
+        autoraterConfigBuilder_.dispose();
+        autoraterConfigBuilder_ = null;
+      }
+      inferenceGenerationConfig_ = null;
+      if (inferenceGenerationConfigBuilder_ != null) {
+        inferenceGenerationConfigBuilder_.dispose();
+        inferenceGenerationConfigBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.aiplatform.v1.TuningJobProto
+          .internal_static_google_cloud_aiplatform_v1_EvaluationConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.EvaluationConfig getDefaultInstanceForType() {
+      return com.google.cloud.aiplatform.v1.EvaluationConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.EvaluationConfig build() {
+      com.google.cloud.aiplatform.v1.EvaluationConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.EvaluationConfig buildPartial() {
+      com.google.cloud.aiplatform.v1.EvaluationConfig result =
+          new com.google.cloud.aiplatform.v1.EvaluationConfig(this);
+      buildPartialRepeatedFields(result);
+      if (bitField0_ != 0) {
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+      onBuilt();
+      return result;
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+
+    private void buildPartialRepeatedFields(
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+        if (((bitField0_ & 0x00000001) != 0)) {
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+          bitField0_ = (bitField0_ & ~0x00000001);
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+        result.metrics_ = metrics_;
+      } else {
+        result.metrics_ = metricsBuilder_.build();
+      }
+    }
+
+    private void buildPartial0(com.google.cloud.aiplatform.v1.EvaluationConfig result) {
+      int from_bitField0_ = bitField0_;
+      int to_bitField0_ = 0;
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+        to_bitField0_ |= 0x00000004;
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+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.aiplatform.v1.EvaluationConfig) {
+        return mergeFrom((com.google.cloud.aiplatform.v1.EvaluationConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.aiplatform.v1.EvaluationConfig other) {
+      if (other == com.google.cloud.aiplatform.v1.EvaluationConfig.getDefaultInstance())
+        return this;
+      if (metricsBuilder_ == null) {
+        if (!other.metrics_.isEmpty()) {
+          if (metrics_.isEmpty()) {
+            metrics_ = other.metrics_;
+            bitField0_ = (bitField0_ & ~0x00000001);
+          } else {
+            ensureMetricsIsMutable();
+            metrics_.addAll(other.metrics_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.metrics_.isEmpty()) {
+          if (metricsBuilder_.isEmpty()) {
+            metricsBuilder_.dispose();
+            metricsBuilder_ = null;
+            metrics_ = other.metrics_;
+            bitField0_ = (bitField0_ & ~0x00000001);
+            metricsBuilder_ =
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+          } else {
+            metricsBuilder_.addAllMessages(other.metrics_);
+          }
+        }
+      }
+      if (other.hasOutputConfig()) {
+        mergeOutputConfig(other.getOutputConfig());
+      }
+      if (other.hasAutoraterConfig()) {
+        mergeAutoraterConfig(other.getAutoraterConfig());
+      }
+      if (other.hasInferenceGenerationConfig()) {
+        mergeInferenceGenerationConfig(other.getInferenceGenerationConfig());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
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+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
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+              done = true;
+              break;
+            case 10:
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+                        com.google.cloud.aiplatform.v1.Metric.parser(), extensionRegistry);
+                if (metricsBuilder_ == null) {
+                  ensureMetricsIsMutable();
+                  metrics_.add(m);
+                } else {
+                  metricsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 10
+            case 18:
+              {
+                input.readMessage(
+                    internalGetOutputConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            case 26:
+              {
+                input.readMessage(
+                    internalGetAutoraterConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 26
+            case 42:
+              {
+                input.readMessage(
+                    internalGetInferenceGenerationConfigFieldBuilder().getBuilder(),
+                    extensionRegistry);
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 42
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
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+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.util.List<com.google.cloud.aiplatform.v1.Metric> metrics_ =
+        java.util.Collections.emptyList();
+
+    private void ensureMetricsIsMutable() {
+      if (!((bitField0_ & 0x00000001) != 0)) {
+        metrics_ = new java.util.ArrayList<com.google.cloud.aiplatform.v1.Metric>(metrics_);
+        bitField0_ |= 0x00000001;
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+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.aiplatform.v1.Metric,
+            com.google.cloud.aiplatform.v1.Metric.Builder,
+            com.google.cloud.aiplatform.v1.MetricOrBuilder>
+        metricsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The metrics used for evaluation.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.aiplatform.v1.Metric> getMetricsList() {
+      if (metricsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(metrics_);
+      } else {
+        return metricsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The metrics used for evaluation.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public int getMetricsCount() {
+      if (metricsBuilder_ == null) {
+        return metrics_.size();
+      } else {
+        return metricsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The metrics used for evaluation.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.Metric getMetrics(int index) {
+      if (metricsBuilder_ == null) {
+        return metrics_.get(index);
+      } else {
+        return metricsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The metrics used for evaluation.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder setMetrics(int index, com.google.cloud.aiplatform.v1.Metric value) {
+      if (metricsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureMetricsIsMutable();
+        metrics_.set(index, value);
+        onChanged();
+      } else {
+        metricsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The metrics used for evaluation.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder setMetrics(
+        int index, com.google.cloud.aiplatform.v1.Metric.Builder builderForValue) {
+      if (metricsBuilder_ == null) {
+        ensureMetricsIsMutable();
+        metrics_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        metricsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The metrics used for evaluation.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder addMetrics(com.google.cloud.aiplatform.v1.Metric value) {
+      if (metricsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureMetricsIsMutable();
+        metrics_.add(value);
+        onChanged();
+      } else {
+        metricsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The metrics used for evaluation.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder addMetrics(int index, com.google.cloud.aiplatform.v1.Metric value) {
+      if (metricsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureMetricsIsMutable();
+        metrics_.add(index, value);
+        onChanged();
+      } else {
+        metricsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The metrics used for evaluation.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder addMetrics(com.google.cloud.aiplatform.v1.Metric.Builder builderForValue) {
+      if (metricsBuilder_ == null) {
+        ensureMetricsIsMutable();
+        metrics_.add(builderForValue.build());
+        onChanged();
+      } else {
+        metricsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The metrics used for evaluation.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder addMetrics(
+        int index, com.google.cloud.aiplatform.v1.Metric.Builder builderForValue) {
+      if (metricsBuilder_ == null) {
+        ensureMetricsIsMutable();
+        metrics_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        metricsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The metrics used for evaluation.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder addAllMetrics(
+        java.lang.Iterable<? extends com.google.cloud.aiplatform.v1.Metric> values) {
+      if (metricsBuilder_ == null) {
+        ensureMetricsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, metrics_);
+        onChanged();
+      } else {
+        metricsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The metrics used for evaluation.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder clearMetrics() {
+      if (metricsBuilder_ == null) {
+        metrics_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+      } else {
+        metricsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The metrics used for evaluation.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder removeMetrics(int index) {
+      if (metricsBuilder_ == null) {
+        ensureMetricsIsMutable();
+        metrics_.remove(index);
+        onChanged();
+      } else {
+        metricsBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The metrics used for evaluation.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.Metric.Builder getMetricsBuilder(int index) {
+      return internalGetMetricsFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The metrics used for evaluation.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.MetricOrBuilder getMetricsOrBuilder(int index) {
+      if (metricsBuilder_ == null) {
+        return metrics_.get(index);
+      } else {
+        return metricsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The metrics used for evaluation.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public java.util.List<? extends com.google.cloud.aiplatform.v1.MetricOrBuilder>
+        getMetricsOrBuilderList() {
+      if (metricsBuilder_ != null) {
+        return metricsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(metrics_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The metrics used for evaluation.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.Metric.Builder addMetricsBuilder() {
+      return internalGetMetricsFieldBuilder()
+          .addBuilder(com.google.cloud.aiplatform.v1.Metric.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The metrics used for evaluation.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.Metric.Builder addMetricsBuilder(int index) {
+      return internalGetMetricsFieldBuilder()
+          .addBuilder(index, com.google.cloud.aiplatform.v1.Metric.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The metrics used for evaluation.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.aiplatform.v1.Metric.Builder> getMetricsBuilderList() {
+      return internalGetMetricsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.aiplatform.v1.Metric,
+            com.google.cloud.aiplatform.v1.Metric.Builder,
+            com.google.cloud.aiplatform.v1.MetricOrBuilder>
+        internalGetMetricsFieldBuilder() {
+      if (metricsBuilder_ == null) {
+        metricsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.aiplatform.v1.Metric,
+                com.google.cloud.aiplatform.v1.Metric.Builder,
+                com.google.cloud.aiplatform.v1.MetricOrBuilder>(
+                metrics_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
+        metrics_ = null;
+      }
+      return metricsBuilder_;
+    }
+
+    private com.google.cloud.aiplatform.v1.OutputConfig outputConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.OutputConfig,
+            com.google.cloud.aiplatform.v1.OutputConfig.Builder,
+            com.google.cloud.aiplatform.v1.OutputConfigOrBuilder>
+        outputConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Config for evaluation output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return Whether the outputConfig field is set.
+     */
+    public boolean hasOutputConfig() {
+      return ((bitField0_ & 0x00000002) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Config for evaluation output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return The outputConfig.
+     */
+    public com.google.cloud.aiplatform.v1.OutputConfig getOutputConfig() {
+      if (outputConfigBuilder_ == null) {
+        return outputConfig_ == null
+            ? com.google.cloud.aiplatform.v1.OutputConfig.getDefaultInstance()
+            : outputConfig_;
+      } else {
+        return outputConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Config for evaluation output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder setOutputConfig(com.google.cloud.aiplatform.v1.OutputConfig value) {
+      if (outputConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        outputConfig_ = value;
+      } else {
+        outputConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Config for evaluation output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder setOutputConfig(
+        com.google.cloud.aiplatform.v1.OutputConfig.Builder builderForValue) {
+      if (outputConfigBuilder_ == null) {
+        outputConfig_ = builderForValue.build();
+      } else {
+        outputConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Config for evaluation output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder mergeOutputConfig(com.google.cloud.aiplatform.v1.OutputConfig value) {
+      if (outputConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000002) != 0)
+            && outputConfig_ != null
+            && outputConfig_ != com.google.cloud.aiplatform.v1.OutputConfig.getDefaultInstance()) {
+          getOutputConfigBuilder().mergeFrom(value);
+        } else {
+          outputConfig_ = value;
+        }
+      } else {
+        outputConfigBuilder_.mergeFrom(value);
+      }
+      if (outputConfig_ != null) {
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Config for evaluation output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder clearOutputConfig() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      outputConfig_ = null;
+      if (outputConfigBuilder_ != null) {
+        outputConfigBuilder_.dispose();
+        outputConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Config for evaluation output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.OutputConfig.Builder getOutputConfigBuilder() {
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return internalGetOutputConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Config for evaluation output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.OutputConfigOrBuilder getOutputConfigOrBuilder() {
+      if (outputConfigBuilder_ != null) {
+        return outputConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return outputConfig_ == null
+            ? com.google.cloud.aiplatform.v1.OutputConfig.getDefaultInstance()
+            : outputConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Config for evaluation output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.OutputConfig,
+            com.google.cloud.aiplatform.v1.OutputConfig.Builder,
+            com.google.cloud.aiplatform.v1.OutputConfigOrBuilder>
+        internalGetOutputConfigFieldBuilder() {
+      if (outputConfigBuilder_ == null) {
+        outputConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.OutputConfig,
+                com.google.cloud.aiplatform.v1.OutputConfig.Builder,
+                com.google.cloud.aiplatform.v1.OutputConfigOrBuilder>(
+                getOutputConfig(), getParentForChildren(), isClean());
+        outputConfig_ = null;
+      }
+      return outputConfigBuilder_;
+    }
+
+    private com.google.cloud.aiplatform.v1.AutoraterConfig autoraterConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.AutoraterConfig,
+            com.google.cloud.aiplatform.v1.AutoraterConfig.Builder,
+            com.google.cloud.aiplatform.v1.AutoraterConfigOrBuilder>
+        autoraterConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Autorater config for evaluation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.AutoraterConfig autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the autoraterConfig field is set.
+     */
+    public boolean hasAutoraterConfig() {
+      return ((bitField0_ & 0x00000004) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Autorater config for evaluation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.AutoraterConfig autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The autoraterConfig.
+     */
+    public com.google.cloud.aiplatform.v1.AutoraterConfig getAutoraterConfig() {
+      if (autoraterConfigBuilder_ == null) {
+        return autoraterConfig_ == null
+            ? com.google.cloud.aiplatform.v1.AutoraterConfig.getDefaultInstance()
+            : autoraterConfig_;
+      } else {
+        return autoraterConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Autorater config for evaluation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.AutoraterConfig autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setAutoraterConfig(com.google.cloud.aiplatform.v1.AutoraterConfig value) {
+      if (autoraterConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        autoraterConfig_ = value;
+      } else {
+        autoraterConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Autorater config for evaluation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.AutoraterConfig autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setAutoraterConfig(
+        com.google.cloud.aiplatform.v1.AutoraterConfig.Builder builderForValue) {
+      if (autoraterConfigBuilder_ == null) {
+        autoraterConfig_ = builderForValue.build();
+      } else {
+        autoraterConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Autorater config for evaluation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.AutoraterConfig autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeAutoraterConfig(com.google.cloud.aiplatform.v1.AutoraterConfig value) {
+      if (autoraterConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000004) != 0)
+            && autoraterConfig_ != null
+            && autoraterConfig_
+                != com.google.cloud.aiplatform.v1.AutoraterConfig.getDefaultInstance()) {
+          getAutoraterConfigBuilder().mergeFrom(value);
+        } else {
+          autoraterConfig_ = value;
+        }
+      } else {
+        autoraterConfigBuilder_.mergeFrom(value);
+      }
+      if (autoraterConfig_ != null) {
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Autorater config for evaluation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.AutoraterConfig autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearAutoraterConfig() {
+      bitField0_ = (bitField0_ & ~0x00000004);
+      autoraterConfig_ = null;
+      if (autoraterConfigBuilder_ != null) {
+        autoraterConfigBuilder_.dispose();
+        autoraterConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Autorater config for evaluation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.AutoraterConfig autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.AutoraterConfig.Builder getAutoraterConfigBuilder() {
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return internalGetAutoraterConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Autorater config for evaluation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.AutoraterConfig autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.AutoraterConfigOrBuilder getAutoraterConfigOrBuilder() {
+      if (autoraterConfigBuilder_ != null) {
+        return autoraterConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return autoraterConfig_ == null
+            ? com.google.cloud.aiplatform.v1.AutoraterConfig.getDefaultInstance()
+            : autoraterConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Autorater config for evaluation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.AutoraterConfig autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.AutoraterConfig,
+            com.google.cloud.aiplatform.v1.AutoraterConfig.Builder,
+            com.google.cloud.aiplatform.v1.AutoraterConfigOrBuilder>
+        internalGetAutoraterConfigFieldBuilder() {
+      if (autoraterConfigBuilder_ == null) {
+        autoraterConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.AutoraterConfig,
+                com.google.cloud.aiplatform.v1.AutoraterConfig.Builder,
+                com.google.cloud.aiplatform.v1.AutoraterConfigOrBuilder>(
+                getAutoraterConfig(), getParentForChildren(), isClean());
+        autoraterConfig_ = null;
+      }
+      return autoraterConfigBuilder_;
+    }
+
+    private com.google.cloud.aiplatform.v1.GenerationConfig inferenceGenerationConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.GenerationConfig,
+            com.google.cloud.aiplatform.v1.GenerationConfig.Builder,
+            com.google.cloud.aiplatform.v1.GenerationConfigOrBuilder>
+        inferenceGenerationConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration options for inference generation and outputs.
+     * If not set, default generation parameters are used.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.GenerationConfig inference_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the inferenceGenerationConfig field is set.
+     */
+    public boolean hasInferenceGenerationConfig() {
+      return ((bitField0_ & 0x00000008) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration options for inference generation and outputs.
+     * If not set, default generation parameters are used.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.GenerationConfig inference_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The inferenceGenerationConfig.
+     */
+    public com.google.cloud.aiplatform.v1.GenerationConfig getInferenceGenerationConfig() {
+      if (inferenceGenerationConfigBuilder_ == null) {
+        return inferenceGenerationConfig_ == null
+            ? com.google.cloud.aiplatform.v1.GenerationConfig.getDefaultInstance()
+            : inferenceGenerationConfig_;
+      } else {
+        return inferenceGenerationConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration options for inference generation and outputs.
+     * If not set, default generation parameters are used.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.GenerationConfig inference_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setInferenceGenerationConfig(
+        com.google.cloud.aiplatform.v1.GenerationConfig value) {
+      if (inferenceGenerationConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        inferenceGenerationConfig_ = value;
+      } else {
+        inferenceGenerationConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration options for inference generation and outputs.
+     * If not set, default generation parameters are used.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.GenerationConfig inference_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setInferenceGenerationConfig(
+        com.google.cloud.aiplatform.v1.GenerationConfig.Builder builderForValue) {
+      if (inferenceGenerationConfigBuilder_ == null) {
+        inferenceGenerationConfig_ = builderForValue.build();
+      } else {
+        inferenceGenerationConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration options for inference generation and outputs.
+     * If not set, default generation parameters are used.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.GenerationConfig inference_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeInferenceGenerationConfig(
+        com.google.cloud.aiplatform.v1.GenerationConfig value) {
+      if (inferenceGenerationConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000008) != 0)
+            && inferenceGenerationConfig_ != null
+            && inferenceGenerationConfig_
+                != com.google.cloud.aiplatform.v1.GenerationConfig.getDefaultInstance()) {
+          getInferenceGenerationConfigBuilder().mergeFrom(value);
+        } else {
+          inferenceGenerationConfig_ = value;
+        }
+      } else {
+        inferenceGenerationConfigBuilder_.mergeFrom(value);
+      }
+      if (inferenceGenerationConfig_ != null) {
+        bitField0_ |= 0x00000008;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration options for inference generation and outputs.
+     * If not set, default generation parameters are used.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.GenerationConfig inference_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearInferenceGenerationConfig() {
+      bitField0_ = (bitField0_ & ~0x00000008);
+      inferenceGenerationConfig_ = null;
+      if (inferenceGenerationConfigBuilder_ != null) {
+        inferenceGenerationConfigBuilder_.dispose();
+        inferenceGenerationConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration options for inference generation and outputs.
+     * If not set, default generation parameters are used.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.GenerationConfig inference_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.GenerationConfig.Builder
+        getInferenceGenerationConfigBuilder() {
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return internalGetInferenceGenerationConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration options for inference generation and outputs.
+     * If not set, default generation parameters are used.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.GenerationConfig inference_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.GenerationConfigOrBuilder
+        getInferenceGenerationConfigOrBuilder() {
+      if (inferenceGenerationConfigBuilder_ != null) {
+        return inferenceGenerationConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return inferenceGenerationConfig_ == null
+            ? com.google.cloud.aiplatform.v1.GenerationConfig.getDefaultInstance()
+            : inferenceGenerationConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration options for inference generation and outputs.
+     * If not set, default generation parameters are used.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.GenerationConfig inference_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.GenerationConfig,
+            com.google.cloud.aiplatform.v1.GenerationConfig.Builder,
+            com.google.cloud.aiplatform.v1.GenerationConfigOrBuilder>
+        internalGetInferenceGenerationConfigFieldBuilder() {
+      if (inferenceGenerationConfigBuilder_ == null) {
+        inferenceGenerationConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.GenerationConfig,
+                com.google.cloud.aiplatform.v1.GenerationConfig.Builder,
+                com.google.cloud.aiplatform.v1.GenerationConfigOrBuilder>(
+                getInferenceGenerationConfig(), getParentForChildren(), isClean());
+        inferenceGenerationConfig_ = null;
+      }
+      return inferenceGenerationConfigBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.EvaluationConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.aiplatform.v1.EvaluationConfig)
+  private static final com.google.cloud.aiplatform.v1.EvaluationConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.aiplatform.v1.EvaluationConfig();
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<EvaluationConfig> PARSER =
+      new com.google.protobuf.AbstractParser<EvaluationConfig>() {
+        @java.lang.Override
+        public EvaluationConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<EvaluationConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<EvaluationConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.EvaluationConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluationConfigOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluationConfigOrBuilder.java
new file mode 100644
index 000000000000..703bcd55d062
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluationConfigOrBuilder.java
@@ -0,0 +1,226 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/tuning_job.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+@com.google.protobuf.Generated
+public interface EvaluationConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.aiplatform.v1.EvaluationConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The metrics used for evaluation.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  java.util.List<com.google.cloud.aiplatform.v1.Metric> getMetricsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The metrics used for evaluation.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.Metric getMetrics(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The metrics used for evaluation.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  int getMetricsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The metrics used for evaluation.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  java.util.List<? extends com.google.cloud.aiplatform.v1.MetricOrBuilder>
+      getMetricsOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The metrics used for evaluation.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric metrics = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.MetricOrBuilder getMetricsOrBuilder(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Config for evaluation output.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return Whether the outputConfig field is set.
+   */
+  boolean hasOutputConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Config for evaluation output.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The outputConfig.
+   */
+  com.google.cloud.aiplatform.v1.OutputConfig getOutputConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Config for evaluation output.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.OutputConfig output_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.OutputConfigOrBuilder getOutputConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Autorater config for evaluation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.AutoraterConfig autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the autoraterConfig field is set.
+   */
+  boolean hasAutoraterConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Autorater config for evaluation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.AutoraterConfig autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The autoraterConfig.
+   */
+  com.google.cloud.aiplatform.v1.AutoraterConfig getAutoraterConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Autorater config for evaluation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.AutoraterConfig autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.AutoraterConfigOrBuilder getAutoraterConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Configuration options for inference generation and outputs.
+   * If not set, default generation parameters are used.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.GenerationConfig inference_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the inferenceGenerationConfig field is set.
+   */
+  boolean hasInferenceGenerationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Configuration options for inference generation and outputs.
+   * If not set, default generation parameters are used.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.GenerationConfig inference_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The inferenceGenerationConfig.
+   */
+  com.google.cloud.aiplatform.v1.GenerationConfig getInferenceGenerationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Configuration options for inference generation and outputs.
+   * If not set, default generation parameters are used.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.GenerationConfig inference_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.GenerationConfigOrBuilder getInferenceGenerationConfigOrBuilder();
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluationDataset.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluationDataset.java
new file mode 100644
index 000000000000..793fbb45fd1f
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluationDataset.java
@@ -0,0 +1,1114 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * The dataset used for evaluation.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.aiplatform.v1.EvaluationDataset}
+ */
+@com.google.protobuf.Generated
+public final class EvaluationDataset extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.aiplatform.v1.EvaluationDataset)
+    EvaluationDatasetOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "EvaluationDataset");
+  }
+
+  // Use EvaluationDataset.newBuilder() to construct.
+  private EvaluationDataset(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private EvaluationDataset() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_EvaluationDataset_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_EvaluationDataset_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.aiplatform.v1.EvaluationDataset.class,
+            com.google.cloud.aiplatform.v1.EvaluationDataset.Builder.class);
+  }
+
+  private int sourceCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object source_;
+
+  public enum SourceCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    GCS_SOURCE(1),
+    BIGQUERY_SOURCE(2),
+    SOURCE_NOT_SET(0);
+    private final int value;
+
+    private SourceCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static SourceCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static SourceCase forNumber(int value) {
+      switch (value) {
+        case 1:
+          return GCS_SOURCE;
+        case 2:
+          return BIGQUERY_SOURCE;
+        case 0:
+          return SOURCE_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public SourceCase getSourceCase() {
+    return SourceCase.forNumber(sourceCase_);
+  }
+
+  public static final int GCS_SOURCE_FIELD_NUMBER = 1;
+
+  /**
+   *
+   *
+   * <pre>
+   * Cloud storage source holds the dataset. Currently only one Cloud Storage
+   * file path is supported.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.GcsSource gcs_source = 1;</code>
+   *
+   * @return Whether the gcsSource field is set.
+   */
+  @java.lang.Override
+  public boolean hasGcsSource() {
+    return sourceCase_ == 1;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Cloud storage source holds the dataset. Currently only one Cloud Storage
+   * file path is supported.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.GcsSource gcs_source = 1;</code>
+   *
+   * @return The gcsSource.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.GcsSource getGcsSource() {
+    if (sourceCase_ == 1) {
+      return (com.google.cloud.aiplatform.v1.GcsSource) source_;
+    }
+    return com.google.cloud.aiplatform.v1.GcsSource.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Cloud storage source holds the dataset. Currently only one Cloud Storage
+   * file path is supported.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.GcsSource gcs_source = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.GcsSourceOrBuilder getGcsSourceOrBuilder() {
+    if (sourceCase_ == 1) {
+      return (com.google.cloud.aiplatform.v1.GcsSource) source_;
+    }
+    return com.google.cloud.aiplatform.v1.GcsSource.getDefaultInstance();
+  }
+
+  public static final int BIGQUERY_SOURCE_FIELD_NUMBER = 2;
+
+  /**
+   *
+   *
+   * <pre>
+   * BigQuery source holds the dataset.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.BigQuerySource bigquery_source = 2;</code>
+   *
+   * @return Whether the bigquerySource field is set.
+   */
+  @java.lang.Override
+  public boolean hasBigquerySource() {
+    return sourceCase_ == 2;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * BigQuery source holds the dataset.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.BigQuerySource bigquery_source = 2;</code>
+   *
+   * @return The bigquerySource.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.BigQuerySource getBigquerySource() {
+    if (sourceCase_ == 2) {
+      return (com.google.cloud.aiplatform.v1.BigQuerySource) source_;
+    }
+    return com.google.cloud.aiplatform.v1.BigQuerySource.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * BigQuery source holds the dataset.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.BigQuerySource bigquery_source = 2;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.BigQuerySourceOrBuilder getBigquerySourceOrBuilder() {
+    if (sourceCase_ == 2) {
+      return (com.google.cloud.aiplatform.v1.BigQuerySource) source_;
+    }
+    return com.google.cloud.aiplatform.v1.BigQuerySource.getDefaultInstance();
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (sourceCase_ == 1) {
+      output.writeMessage(1, (com.google.cloud.aiplatform.v1.GcsSource) source_);
+    }
+    if (sourceCase_ == 2) {
+      output.writeMessage(2, (com.google.cloud.aiplatform.v1.BigQuerySource) source_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (sourceCase_ == 1) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              1, (com.google.cloud.aiplatform.v1.GcsSource) source_);
+    }
+    if (sourceCase_ == 2) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              2, (com.google.cloud.aiplatform.v1.BigQuerySource) source_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.aiplatform.v1.EvaluationDataset)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.aiplatform.v1.EvaluationDataset other =
+        (com.google.cloud.aiplatform.v1.EvaluationDataset) obj;
+
+    if (!getSourceCase().equals(other.getSourceCase())) return false;
+    switch (sourceCase_) {
+      case 1:
+        if (!getGcsSource().equals(other.getGcsSource())) return false;
+        break;
+      case 2:
+        if (!getBigquerySource().equals(other.getBigquerySource())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    switch (sourceCase_) {
+      case 1:
+        hash = (37 * hash) + GCS_SOURCE_FIELD_NUMBER;
+        hash = (53 * hash) + getGcsSource().hashCode();
+        break;
+      case 2:
+        hash = (37 * hash) + BIGQUERY_SOURCE_FIELD_NUMBER;
+        hash = (53 * hash) + getBigquerySource().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationDataset parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationDataset parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationDataset parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationDataset parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationDataset parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationDataset parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationDataset parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationDataset parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationDataset parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationDataset parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationDataset parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationDataset parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.aiplatform.v1.EvaluationDataset prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The dataset used for evaluation.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.aiplatform.v1.EvaluationDataset}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.aiplatform.v1.EvaluationDataset)
+      com.google.cloud.aiplatform.v1.EvaluationDatasetOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_EvaluationDataset_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_EvaluationDataset_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.aiplatform.v1.EvaluationDataset.class,
+              com.google.cloud.aiplatform.v1.EvaluationDataset.Builder.class);
+    }
+
+    // Construct using com.google.cloud.aiplatform.v1.EvaluationDataset.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (gcsSourceBuilder_ != null) {
+        gcsSourceBuilder_.clear();
+      }
+      if (bigquerySourceBuilder_ != null) {
+        bigquerySourceBuilder_.clear();
+      }
+      sourceCase_ = 0;
+      source_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_EvaluationDataset_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.EvaluationDataset getDefaultInstanceForType() {
+      return com.google.cloud.aiplatform.v1.EvaluationDataset.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.EvaluationDataset build() {
+      com.google.cloud.aiplatform.v1.EvaluationDataset result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.EvaluationDataset buildPartial() {
+      com.google.cloud.aiplatform.v1.EvaluationDataset result =
+          new com.google.cloud.aiplatform.v1.EvaluationDataset(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.aiplatform.v1.EvaluationDataset result) {
+      int from_bitField0_ = bitField0_;
+    }
+
+    private void buildPartialOneofs(com.google.cloud.aiplatform.v1.EvaluationDataset result) {
+      result.sourceCase_ = sourceCase_;
+      result.source_ = this.source_;
+      if (sourceCase_ == 1 && gcsSourceBuilder_ != null) {
+        result.source_ = gcsSourceBuilder_.build();
+      }
+      if (sourceCase_ == 2 && bigquerySourceBuilder_ != null) {
+        result.source_ = bigquerySourceBuilder_.build();
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.aiplatform.v1.EvaluationDataset) {
+        return mergeFrom((com.google.cloud.aiplatform.v1.EvaluationDataset) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.aiplatform.v1.EvaluationDataset other) {
+      if (other == com.google.cloud.aiplatform.v1.EvaluationDataset.getDefaultInstance())
+        return this;
+      switch (other.getSourceCase()) {
+        case GCS_SOURCE:
+          {
+            mergeGcsSource(other.getGcsSource());
+            break;
+          }
+        case BIGQUERY_SOURCE:
+          {
+            mergeBigquerySource(other.getBigquerySource());
+            break;
+          }
+        case SOURCE_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                input.readMessage(
+                    internalGetGcsSourceFieldBuilder().getBuilder(), extensionRegistry);
+                sourceCase_ = 1;
+                break;
+              } // case 10
+            case 18:
+              {
+                input.readMessage(
+                    internalGetBigquerySourceFieldBuilder().getBuilder(), extensionRegistry);
+                sourceCase_ = 2;
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int sourceCase_ = 0;
+    private java.lang.Object source_;
+
+    public SourceCase getSourceCase() {
+      return SourceCase.forNumber(sourceCase_);
+    }
+
+    public Builder clearSource() {
+      sourceCase_ = 0;
+      source_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.GcsSource,
+            com.google.cloud.aiplatform.v1.GcsSource.Builder,
+            com.google.cloud.aiplatform.v1.GcsSourceOrBuilder>
+        gcsSourceBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Cloud storage source holds the dataset. Currently only one Cloud Storage
+     * file path is supported.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.GcsSource gcs_source = 1;</code>
+     *
+     * @return Whether the gcsSource field is set.
+     */
+    @java.lang.Override
+    public boolean hasGcsSource() {
+      return sourceCase_ == 1;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Cloud storage source holds the dataset. Currently only one Cloud Storage
+     * file path is supported.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.GcsSource gcs_source = 1;</code>
+     *
+     * @return The gcsSource.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.GcsSource getGcsSource() {
+      if (gcsSourceBuilder_ == null) {
+        if (sourceCase_ == 1) {
+          return (com.google.cloud.aiplatform.v1.GcsSource) source_;
+        }
+        return com.google.cloud.aiplatform.v1.GcsSource.getDefaultInstance();
+      } else {
+        if (sourceCase_ == 1) {
+          return gcsSourceBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.GcsSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Cloud storage source holds the dataset. Currently only one Cloud Storage
+     * file path is supported.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.GcsSource gcs_source = 1;</code>
+     */
+    public Builder setGcsSource(com.google.cloud.aiplatform.v1.GcsSource value) {
+      if (gcsSourceBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        source_ = value;
+        onChanged();
+      } else {
+        gcsSourceBuilder_.setMessage(value);
+      }
+      sourceCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Cloud storage source holds the dataset. Currently only one Cloud Storage
+     * file path is supported.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.GcsSource gcs_source = 1;</code>
+     */
+    public Builder setGcsSource(com.google.cloud.aiplatform.v1.GcsSource.Builder builderForValue) {
+      if (gcsSourceBuilder_ == null) {
+        source_ = builderForValue.build();
+        onChanged();
+      } else {
+        gcsSourceBuilder_.setMessage(builderForValue.build());
+      }
+      sourceCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Cloud storage source holds the dataset. Currently only one Cloud Storage
+     * file path is supported.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.GcsSource gcs_source = 1;</code>
+     */
+    public Builder mergeGcsSource(com.google.cloud.aiplatform.v1.GcsSource value) {
+      if (gcsSourceBuilder_ == null) {
+        if (sourceCase_ == 1
+            && source_ != com.google.cloud.aiplatform.v1.GcsSource.getDefaultInstance()) {
+          source_ =
+              com.google.cloud.aiplatform.v1.GcsSource.newBuilder(
+                      (com.google.cloud.aiplatform.v1.GcsSource) source_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          source_ = value;
+        }
+        onChanged();
+      } else {
+        if (sourceCase_ == 1) {
+          gcsSourceBuilder_.mergeFrom(value);
+        } else {
+          gcsSourceBuilder_.setMessage(value);
+        }
+      }
+      sourceCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Cloud storage source holds the dataset. Currently only one Cloud Storage
+     * file path is supported.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.GcsSource gcs_source = 1;</code>
+     */
+    public Builder clearGcsSource() {
+      if (gcsSourceBuilder_ == null) {
+        if (sourceCase_ == 1) {
+          sourceCase_ = 0;
+          source_ = null;
+          onChanged();
+        }
+      } else {
+        if (sourceCase_ == 1) {
+          sourceCase_ = 0;
+          source_ = null;
+        }
+        gcsSourceBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Cloud storage source holds the dataset. Currently only one Cloud Storage
+     * file path is supported.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.GcsSource gcs_source = 1;</code>
+     */
+    public com.google.cloud.aiplatform.v1.GcsSource.Builder getGcsSourceBuilder() {
+      return internalGetGcsSourceFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Cloud storage source holds the dataset. Currently only one Cloud Storage
+     * file path is supported.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.GcsSource gcs_source = 1;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.GcsSourceOrBuilder getGcsSourceOrBuilder() {
+      if ((sourceCase_ == 1) && (gcsSourceBuilder_ != null)) {
+        return gcsSourceBuilder_.getMessageOrBuilder();
+      } else {
+        if (sourceCase_ == 1) {
+          return (com.google.cloud.aiplatform.v1.GcsSource) source_;
+        }
+        return com.google.cloud.aiplatform.v1.GcsSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Cloud storage source holds the dataset. Currently only one Cloud Storage
+     * file path is supported.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.GcsSource gcs_source = 1;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.GcsSource,
+            com.google.cloud.aiplatform.v1.GcsSource.Builder,
+            com.google.cloud.aiplatform.v1.GcsSourceOrBuilder>
+        internalGetGcsSourceFieldBuilder() {
+      if (gcsSourceBuilder_ == null) {
+        if (!(sourceCase_ == 1)) {
+          source_ = com.google.cloud.aiplatform.v1.GcsSource.getDefaultInstance();
+        }
+        gcsSourceBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.GcsSource,
+                com.google.cloud.aiplatform.v1.GcsSource.Builder,
+                com.google.cloud.aiplatform.v1.GcsSourceOrBuilder>(
+                (com.google.cloud.aiplatform.v1.GcsSource) source_,
+                getParentForChildren(),
+                isClean());
+        source_ = null;
+      }
+      sourceCase_ = 1;
+      onChanged();
+      return gcsSourceBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.BigQuerySource,
+            com.google.cloud.aiplatform.v1.BigQuerySource.Builder,
+            com.google.cloud.aiplatform.v1.BigQuerySourceOrBuilder>
+        bigquerySourceBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * BigQuery source holds the dataset.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BigQuerySource bigquery_source = 2;</code>
+     *
+     * @return Whether the bigquerySource field is set.
+     */
+    @java.lang.Override
+    public boolean hasBigquerySource() {
+      return sourceCase_ == 2;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * BigQuery source holds the dataset.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BigQuerySource bigquery_source = 2;</code>
+     *
+     * @return The bigquerySource.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.BigQuerySource getBigquerySource() {
+      if (bigquerySourceBuilder_ == null) {
+        if (sourceCase_ == 2) {
+          return (com.google.cloud.aiplatform.v1.BigQuerySource) source_;
+        }
+        return com.google.cloud.aiplatform.v1.BigQuerySource.getDefaultInstance();
+      } else {
+        if (sourceCase_ == 2) {
+          return bigquerySourceBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.BigQuerySource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * BigQuery source holds the dataset.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BigQuerySource bigquery_source = 2;</code>
+     */
+    public Builder setBigquerySource(com.google.cloud.aiplatform.v1.BigQuerySource value) {
+      if (bigquerySourceBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        source_ = value;
+        onChanged();
+      } else {
+        bigquerySourceBuilder_.setMessage(value);
+      }
+      sourceCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * BigQuery source holds the dataset.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BigQuerySource bigquery_source = 2;</code>
+     */
+    public Builder setBigquerySource(
+        com.google.cloud.aiplatform.v1.BigQuerySource.Builder builderForValue) {
+      if (bigquerySourceBuilder_ == null) {
+        source_ = builderForValue.build();
+        onChanged();
+      } else {
+        bigquerySourceBuilder_.setMessage(builderForValue.build());
+      }
+      sourceCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * BigQuery source holds the dataset.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BigQuerySource bigquery_source = 2;</code>
+     */
+    public Builder mergeBigquerySource(com.google.cloud.aiplatform.v1.BigQuerySource value) {
+      if (bigquerySourceBuilder_ == null) {
+        if (sourceCase_ == 2
+            && source_ != com.google.cloud.aiplatform.v1.BigQuerySource.getDefaultInstance()) {
+          source_ =
+              com.google.cloud.aiplatform.v1.BigQuerySource.newBuilder(
+                      (com.google.cloud.aiplatform.v1.BigQuerySource) source_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          source_ = value;
+        }
+        onChanged();
+      } else {
+        if (sourceCase_ == 2) {
+          bigquerySourceBuilder_.mergeFrom(value);
+        } else {
+          bigquerySourceBuilder_.setMessage(value);
+        }
+      }
+      sourceCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * BigQuery source holds the dataset.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BigQuerySource bigquery_source = 2;</code>
+     */
+    public Builder clearBigquerySource() {
+      if (bigquerySourceBuilder_ == null) {
+        if (sourceCase_ == 2) {
+          sourceCase_ = 0;
+          source_ = null;
+          onChanged();
+        }
+      } else {
+        if (sourceCase_ == 2) {
+          sourceCase_ = 0;
+          source_ = null;
+        }
+        bigquerySourceBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * BigQuery source holds the dataset.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BigQuerySource bigquery_source = 2;</code>
+     */
+    public com.google.cloud.aiplatform.v1.BigQuerySource.Builder getBigquerySourceBuilder() {
+      return internalGetBigquerySourceFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * BigQuery source holds the dataset.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BigQuerySource bigquery_source = 2;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.BigQuerySourceOrBuilder getBigquerySourceOrBuilder() {
+      if ((sourceCase_ == 2) && (bigquerySourceBuilder_ != null)) {
+        return bigquerySourceBuilder_.getMessageOrBuilder();
+      } else {
+        if (sourceCase_ == 2) {
+          return (com.google.cloud.aiplatform.v1.BigQuerySource) source_;
+        }
+        return com.google.cloud.aiplatform.v1.BigQuerySource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * BigQuery source holds the dataset.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BigQuerySource bigquery_source = 2;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.BigQuerySource,
+            com.google.cloud.aiplatform.v1.BigQuerySource.Builder,
+            com.google.cloud.aiplatform.v1.BigQuerySourceOrBuilder>
+        internalGetBigquerySourceFieldBuilder() {
+      if (bigquerySourceBuilder_ == null) {
+        if (!(sourceCase_ == 2)) {
+          source_ = com.google.cloud.aiplatform.v1.BigQuerySource.getDefaultInstance();
+        }
+        bigquerySourceBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.BigQuerySource,
+                com.google.cloud.aiplatform.v1.BigQuerySource.Builder,
+                com.google.cloud.aiplatform.v1.BigQuerySourceOrBuilder>(
+                (com.google.cloud.aiplatform.v1.BigQuerySource) source_,
+                getParentForChildren(),
+                isClean());
+        source_ = null;
+      }
+      sourceCase_ = 2;
+      onChanged();
+      return bigquerySourceBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.EvaluationDataset)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.aiplatform.v1.EvaluationDataset)
+  private static final com.google.cloud.aiplatform.v1.EvaluationDataset DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.aiplatform.v1.EvaluationDataset();
+  }
+
+  public static com.google.cloud.aiplatform.v1.EvaluationDataset getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<EvaluationDataset> PARSER =
+      new com.google.protobuf.AbstractParser<EvaluationDataset>() {
+        @java.lang.Override
+        public EvaluationDataset parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<EvaluationDataset> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<EvaluationDataset> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.EvaluationDataset getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluationDatasetOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluationDatasetOrBuilder.java
new file mode 100644
index 000000000000..2a9ac1ede15b
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluationDatasetOrBuilder.java
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+@com.google.protobuf.Generated
+public interface EvaluationDatasetOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.aiplatform.v1.EvaluationDataset)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Cloud storage source holds the dataset. Currently only one Cloud Storage
+   * file path is supported.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.GcsSource gcs_source = 1;</code>
+   *
+   * @return Whether the gcsSource field is set.
+   */
+  boolean hasGcsSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * Cloud storage source holds the dataset. Currently only one Cloud Storage
+   * file path is supported.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.GcsSource gcs_source = 1;</code>
+   *
+   * @return The gcsSource.
+   */
+  com.google.cloud.aiplatform.v1.GcsSource getGcsSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * Cloud storage source holds the dataset. Currently only one Cloud Storage
+   * file path is supported.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.GcsSource gcs_source = 1;</code>
+   */
+  com.google.cloud.aiplatform.v1.GcsSourceOrBuilder getGcsSourceOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * BigQuery source holds the dataset.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.BigQuerySource bigquery_source = 2;</code>
+   *
+   * @return Whether the bigquerySource field is set.
+   */
+  boolean hasBigquerySource();
+
+  /**
+   *
+   *
+   * <pre>
+   * BigQuery source holds the dataset.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.BigQuerySource bigquery_source = 2;</code>
+   *
+   * @return The bigquerySource.
+   */
+  com.google.cloud.aiplatform.v1.BigQuerySource getBigquerySource();
+
+  /**
+   *
+   *
+   * <pre>
+   * BigQuery source holds the dataset.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.BigQuerySource bigquery_source = 2;</code>
+   */
+  com.google.cloud.aiplatform.v1.BigQuerySourceOrBuilder getBigquerySourceOrBuilder();
+
+  com.google.cloud.aiplatform.v1.EvaluationDataset.SourceCase getSourceCase();
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluationServiceProto.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluationServiceProto.java
index bea1498179ed..a78ffe35a242 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluationServiceProto.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/EvaluationServiceProto.java
@@ -44,10 +44,58 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_aiplatform_v1_EvaluateInstancesRequest_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_aiplatform_v1_EvaluateInstancesRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_Metric_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_Metric_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_AutoraterConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_AutoraterConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_aiplatform_v1_EvaluateInstancesResponse_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_aiplatform_v1_EvaluateInstancesResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_MetricResult_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_MetricResult_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_OutputConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_OutputConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_EvaluationDataset_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_EvaluationDataset_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_EvaluateDatasetResponse_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_EvaluateDatasetResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_OutputInfo_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_OutputInfo_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_AggregationOutput_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_AggregationOutput_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_AggregationResult_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_AggregationResult_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_PredefinedMetricSpec_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_PredefinedMetricSpec_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_ComputationBasedMetricSpec_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_ComputationBasedMetricSpec_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_LLMBasedMetricSpec_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_LLMBasedMetricSpec_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_aiplatform_v1_ExactMatchInput_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
@@ -344,10 +392,22 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_aiplatform_v1_PointwiseMetricSpec_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_aiplatform_v1_PointwiseMetricSpec_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_CustomOutputFormatConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_CustomOutputFormatConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_aiplatform_v1_PointwiseMetricResult_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_aiplatform_v1_PointwiseMetricResult_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_CustomOutput_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_CustomOutput_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_RawOutput_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_RawOutput_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_aiplatform_v1_PairwiseMetricInput_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
@@ -476,6 +536,18 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_aiplatform_v1_MetricxResult_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_aiplatform_v1_MetricxResult_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_ContentMap_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_ContentMap_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_ContentMap_Contents_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_ContentMap_Contents_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_ContentMap_ValuesEntry_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_ContentMap_ValuesEntry_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     return descriptor;
@@ -488,40 +560,44 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
       "\n"
           + "3google/cloud/aiplatform/v1/evaluation_service.proto\022\032google.cloud.aiplatform.v"
           + "1\032\034google/api/annotations.proto\032\027google/"
-          + "api/client.proto\032\037google/api/field_behavior.proto\032\031google/api/resource.proto\"\332\021\n"
+          + "api/client.proto\032\037google/api/field_behav"
+          + "ior.proto\032\031google/api/resource.proto\032(go"
+          + "ogle/cloud/aiplatform/v1/content.proto\032#"
+          + "google/cloud/aiplatform/v1/io.proto\032\034goo"
+          + "gle/protobuf/struct.proto\032\027google/rpc/status.proto\"\332\021\n"
           + "\030EvaluateInstancesRequest\022H\n"
           + "\021exact_match_input\030\002"
           + " \001(\0132+.google.cloud.aiplatform.v1.ExactMatchInputH\000\022;\n\n"
           + "bleu_input\030\003 \001(\0132%.google.cloud.aiplatform.v1.BleuInputH\000\022=\n"
-          + "\013rouge_input\030\004"
-          + " \001(\0132&.google.cloud.aiplatform.v1.RougeInputH\000\022A\n\r"
+          + "\013rouge_input\030\004 \001(\0132&.google.cloud.aiplatform.v1.RougeInputH\000\022A\n"
+          + "\r"
           + "fluency_input\030\005 \001(\0132(.google.cloud.aiplatform.v1.FluencyInputH\000\022E\n"
-          + "\017coherence_input\030\006 \001(\0132*.go"
-          + "ogle.cloud.aiplatform.v1.CoherenceInputH\000\022?\n"
-          + "\014safety_input\030\010"
-          + " \001(\0132\'.google.cloud.aiplatform.v1.SafetyInputH\000\022K\n"
+          + "\017coherence_input\030\006"
+          + " \001(\0132*.google.cloud.aiplatform.v1.CoherenceInputH\000\022?\n"
+          + "\014safety_input\030\010 \001(\0132\'."
+          + "google.cloud.aiplatform.v1.SafetyInputH\000\022K\n"
           + "\022groundedness_input\030\t"
           + " \001(\0132-.google.cloud.aiplatform.v1.GroundednessInputH\000\022I\n"
           + "\021fulfillment_input\030\014"
           + " \001(\0132,.google.cloud.aiplatform.v1.FulfillmentInputH\000\022\\\n"
-          + "\033summarization_quality_input\030\007"
-          + " \001(\01325.google.cloud.aiplatform.v1.SummarizationQualityInputH\000\022m\n"
-          + "$pairwise_summarization_quality_input\030\027 \001(\0132="
-          + ".google.cloud.aiplatform.v1.PairwiseSummarizationQualityInputH\000\022d\n"
-          + "\037summarization_helpfulness_input\030\016 \001(\01329.google.cloud."
-          + "aiplatform.v1.SummarizationHelpfulnessInputH\000\022`\n"
+          + "\033summarization_quality_input\030\007 \001(\01325.google.c"
+          + "loud.aiplatform.v1.SummarizationQualityInputH\000\022m\n"
+          + "$pairwise_summarization_quality_input\030\027"
+          + " \001(\0132=.google.cloud.aiplatform.v1.PairwiseSummarizationQualityInputH\000\022d\n"
+          + "\037summarization_helpfulness_input\030\016 \001(\01329"
+          + ".google.cloud.aiplatform.v1.SummarizationHelpfulnessInputH\000\022`\n"
           + "\035summarization_verbosity_input\030\017"
           + " \001(\01327.google.cloud.aiplatform.v1.SummarizationVerbosityInputH\000\022e\n"
           + " question_answering_quality_input\030\n"
           + " \001(\01329.google.cloud.aiplatform.v1.QuestionAnsweringQualityInputH\000\022v\n"
-          + ")pairwise_question_answering_quality_input\030\030 \001(\0132A.google.cloud.aiplatf"
-          + "orm.v1.PairwiseQuestionAnsweringQualityInputH\000\022i\n"
-          + "\"question_answering_relevance_input\030\020"
-          + " \001(\0132;.google.cloud.aiplatform.v1.QuestionAnsweringRelevanceInputH\000\022m\n"
-          + "$question_answering_helpfulness_input\030\021 \001(\0132"
-          + "=.google.cloud.aiplatform.v1.QuestionAnsweringHelpfulnessInputH\000\022m\n"
-          + "$question_answering_correctness_input\030\022 \001(\0132=.google."
-          + "cloud.aiplatform.v1.QuestionAnsweringCorrectnessInputH\000\022R\n"
+          + ")pairwise_question_answering_quality_input\030\030 \001(\0132A.google"
+          + ".cloud.aiplatform.v1.PairwiseQuestionAnsweringQualityInputH\000\022i\n"
+          + "\"question_answering_relevance_input\030\020 \001(\0132;.google.cloud."
+          + "aiplatform.v1.QuestionAnsweringRelevanceInputH\000\022m\n"
+          + "$question_answering_helpfulness_input\030\021 \001(\0132=.google.cloud.aiplatform."
+          + "v1.QuestionAnsweringHelpfulnessInputH\000\022m\n"
+          + "$question_answering_correctness_input\030\022"
+          + " \001(\0132=.google.cloud.aiplatform.v1.QuestionAnsweringCorrectnessInputH\000\022R\n"
           + "\026pointwise_metric_input\030\034"
           + " \001(\01320.google.cloud.aiplatform.v1.PointwiseMetricInputH\000\022P\n"
           + "\025pairwise_metric_input\030\035"
@@ -530,66 +606,180 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + " \001(\0132..google.cloud.aiplatform.v1.ToolCallValidInputH\000\022O\n"
           + "\025tool_name_match_input\030\024"
           + " \001(\0132..google.cloud.aiplatform.v1.ToolNameMatchInputH\000\022`\n"
-          + "\036tool_parameter_key_match_input\030\025 \001(\01326.google.cloud.a"
-          + "iplatform.v1.ToolParameterKeyMatchInputH\000\022^\n"
-          + "\035tool_parameter_kv_match_input\030\026 \001(\013"
-          + "25.google.cloud.aiplatform.v1.ToolParameterKVMatchInputH\000\022=\n"
-          + "\013comet_input\030\037 \001(\0132&"
-          + ".google.cloud.aiplatform.v1.CometInputH\000\022A\n\r"
+          + "\036tool_parameter_key_match_input\030\025 \001(\01326."
+          + "google.cloud.aiplatform.v1.ToolParameterKeyMatchInputH\000\022^\n"
+          + "\035tool_parameter_kv_match_input\030\026"
+          + " \001(\01325.google.cloud.aiplatform.v1.ToolParameterKVMatchInputH\000\022=\n"
+          + "\013comet_input\030\037"
+          + " \001(\0132&.google.cloud.aiplatform.v1.CometInputH\000\022A\n\r"
           + "metricx_input\030  \001(\0132(.google.cloud.aiplatform.v1.MetricxInputH\000\022;\n"
           + "\010location\030\001 \001(\tB)\340A\002\372A#\n"
           + "!locations.googleapis.com/LocationB\017\n\r"
-          + "metric_inputs\"\343\021\n"
+          + "metric_inputs\"\260\007\n"
+          + "\006Metric\022R\n"
+          + "\026predefined_metric_spec\030\010 \001"
+          + "(\01320.google.cloud.aiplatform.v1.PredefinedMetricSpecH\000\022_\n"
+          + "\035computation_based_metric_spec\030\t"
+          + " \001(\01326.google.cloud.aiplatform.v1.ComputationBasedMetricSpecH\000\022O\n"
+          + "\025llm_based_metric_spec\030\n"
+          + " \001(\0132..google.cloud.aiplatform.v1.LLMBasedMetricSpecH\000\022P\n"
+          + "\025pointwise_metric_spec\030\002"
+          + " \001(\0132/.google.cloud.aiplatform.v1.PointwiseMetricSpecH\000\022N\n"
+          + "\024pairwise_metric_spec\030\003"
+          + " \001(\0132..google.cloud.aiplatform.v1.PairwiseMetricSpecH\000\022F\n"
+          + "\020exact_match_spec\030\004"
+          + " \001(\0132*.google.cloud.aiplatform.v1.ExactMatchSpecH\000\0229\n"
+          + "\tbleu_spec\030\005 \001(\0132$.google.cloud.aiplatform.v1.BleuSpecH\000\022;\n\n"
+          + "rouge_spec\030\006 \001(\0132%.google.cloud.aiplatform.v1.RougeSpecH\000\022V\n"
+          + "\023aggregation_metrics\030\001"
+          + " \003(\01624.google.cloud.aiplatform.v1.Metric.AggregationMetricB\003\340A\001\"\326\001\n"
+          + "\021AggregationMetric\022\"\n"
+          + "\036AGGREGATION_METRIC_UNSPECIFIED\020\000\022\013\n"
+          + "\007AVERAGE\020\001\022\010\n"
+          + "\004MODE\020\002\022\026\n"
+          + "\022STANDARD_DEVIATION\020\003\022\014\n"
+          + "\010VARIANCE\020\004\022\013\n"
+          + "\007MINIMUM\020\005\022\013\n"
+          + "\007MAXIMUM\020\006\022\n\n"
+          + "\006MEDIAN\020\007\022\022\n"
+          + "\016PERCENTILE_P90\020\010\022\022\n"
+          + "\016PERCENTILE_P95\020\t\022\022\n"
+          + "\016PERCENTILE_P99\020\n"
+          + "B\r\n"
+          + "\013metric_spec\"\343\001\n"
+          + "\017AutoraterConfig\022 \n"
+          + "\016sampling_count\030\001 \001(\005B\003\340A\001H\000\210\001\001\022\036\n"
+          + "\014flip_enabled\030\002 \001(\010B\003\340A\001H\001\210\001\001\022\034\n"
+          + "\017autorater_model\030\003 \001(\tB\003\340A\001\022L\n"
+          + "\021generation_config\030\004"
+          + " \001(\0132,.google.cloud.aiplatform.v1.GenerationConfigB\003\340A\001B\021\n"
+          + "\017_sampling_countB\017\n\r"
+          + "_flip_enabled\"\245\022\n"
           + "\031EvaluateInstancesResponse\022L\n"
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-          + " \001(\0132-.google.cloud.aiplatform.v1.ExactMatchResultsH\000\022?\n"
-          + "\014bleu_results\030\002 \001(\0132\'.go"
-          + "ogle.cloud.aiplatform.v1.BleuResultsH\000\022A\n\r"
+          + "\023exact_match_results\030\001 \001(\0132-.go"
+          + "ogle.cloud.aiplatform.v1.ExactMatchResultsH\000\022?\n"
+          + "\014bleu_results\030\002"
+          + " \001(\0132\'.google.cloud.aiplatform.v1.BleuResultsH\000\022A\n\r"
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-          + "2+.google.cloud.aiplatform.v1.CoherenceResultH\000\022A\n\r"
+          + "\016fluency_result\030\004 \001(\013"
+          + "2).google.cloud.aiplatform.v1.FluencyResultH\000\022G\n"
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+          + ".cloud.aiplatform.v1.CoherenceResultH\000\022A\n\r"
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+          + "\034summarization_quality_result\030\006"
+          + " \001(\01326.google.cloud.aiplatform.v1.SummarizationQualityResultH\000\022o\n"
+          + "%pairwise_summarization_quality_result\030\026"
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-          + "\027pointwise_metric_result\030\033 \001(\01321"
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-          + "\027tool_call_valid_results\030\022"
-          + " \001(\01320.google.cloud.aiplatform.v1.ToolCallValidResultsH\000\022S\n"
+          + "\036summarization_verbosity_result\030\016"
+          + " \001(\01328.google.cloud.aiplatform.v1.SummarizationVerbosityResultH\000\022g\n"
+          + "!question_answering_quality_result\030\t \001(\0132:."
+          + "google.cloud.aiplatform.v1.QuestionAnsweringQualityResultH\000\022x\n"
+          + "*pairwise_question_answering_quality_result\030\027 \001(\0132B.google"
+          + ".cloud.aiplatform.v1.PairwiseQuestionAnsweringQualityResultH\000\022k\n"
+          + "#question_answering_relevance_result\030\017 \001(\0132<.google.clou"
+          + "d.aiplatform.v1.QuestionAnsweringRelevanceResultH\000\022o\n"
+          + "%question_answering_helpfulness_result\030\020 \001(\0132>.google.cloud.aiplatf"
+          + "orm.v1.QuestionAnsweringHelpfulnessResultH\000\022o\n"
+          + "%question_answering_correctness_result\030\021"
+          + " \001(\0132>.google.cloud.aiplatform.v1.QuestionAnsweringCorrectnessResultH\000\022T\n"
+          + "\027pointwise_metric_result\030\033 \001(\01321.google.c"
+          + "loud.aiplatform.v1.PointwiseMetricResultH\000\022R\n"
+          + "\026pairwise_metric_result\030\034 \001(\01320.goo"
+          + "gle.cloud.aiplatform.v1.PairwiseMetricResultH\000\022S\n"
+          + "\027tool_call_valid_results\030\022 \001(\0132"
+          + "0.google.cloud.aiplatform.v1.ToolCallValidResultsH\000\022S\n"
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           + " \001(\01320.google.cloud.aiplatform.v1.ToolNameMatchResultsH\000\022d\n"
-          + " tool_parameter_key_match_results\030\024 \001(\01328.google.clo"
-          + "ud.aiplatform.v1.ToolParameterKeyMatchResultsH\000\022b\n"
-          + "\037tool_parameter_kv_match_results\030\025"
-          + " \001(\01327.google.cloud.aiplatform.v1.ToolParameterKVMatchResultsH\000\022?\n"
-          + "\014comet_result\030\035"
-          + " \001(\0132\'.google.cloud.aiplatform.v1.CometResultH\000\022C\n"
-          + "\016metricx_result\030\036 \001(\0132).g"
-          + "oogle.cloud.aiplatform.v1.MetricxResultH\000B\024\n"
-          + "\022evaluation_results\"\237\001\n"
+          + " tool_parameter_key_match_results\030\024 \001(\01328.google.cloud.aiplat"
+          + "form.v1.ToolParameterKeyMatchResultsH\000\022b\n"
+          + "\037tool_parameter_kv_match_results\030\025 \001(\0132"
+          + "7.google.cloud.aiplatform.v1.ToolParameterKVMatchResultsH\000\022?\n"
+          + "\014comet_result\030\035 \001(\013"
+          + "2\'.google.cloud.aiplatform.v1.CometResultH\000\022C\n"
+          + "\016metricx_result\030\036"
+          + " \001(\0132).google.cloud.aiplatform.v1.MetricxResultH\000\022@\n"
+          + "\016metric_results\030+ \003(\0132(.google.cloud.aiplatform.v1.MetricResultB\024\n"
+          + "\022evaluation_results\"\227\001\n"
+          + "\014MetricResult\022\027\n"
+          + "\005score\030\001 \001(\002B\003\340A\003H\000\210\001\001\022\035\n"
+          + "\013explanation\030\003 \001(\tB\003\340A\003H\001\210\001\001\022+\n"
+          + "\005error\030\004"
+          + " \001(\0132\022.google.rpc.StatusB\003\340A\003H\002\210\001\001B\010\n"
+          + "\006_scoreB\016\n"
+          + "\014_explanationB\010\n"
+          + "\006_error\"d\n"
+          + "\014OutputConfig\022E\n"
+          + "\017gcs_destination\030\001 \001(\0132*.go"
+          + "ogle.cloud.aiplatform.v1.GcsDestinationH\000B\r\n"
+          + "\013destination\"\241\001\n"
+          + "\021EvaluationDataset\022;\n\n"
+          + "gcs_source\030\001 \001(\0132%.google.cloud.aiplatform.v1.GcsSourceH\000\022E\n"
+          + "\017bigquery_source\030\002"
+          + " \001(\0132*.google.cloud.aiplatform.v1.BigQuerySourceH\000B\010\n"
+          + "\006source\"\253\001\n"
+          + "\027EvaluateDatasetResponse\022N\n"
+          + "\022aggregation_output\030\001 \001(\0132-.g"
+          + "oogle.cloud.aiplatform.v1.AggregationOutputB\003\340A\003\022@\n"
+          + "\013output_info\030\003"
+          + " \001(\0132&.google.cloud.aiplatform.v1.OutputInfoB\003\340A\003\"D\n\n"
+          + "OutputInfo\022#\n"
+          + "\024gcs_output_directory\030\001 \001(\tB\003\340A\003H\000B\021\n"
+          + "\017output_location\"\237\001\n"
+          + "\021AggregationOutput\022>\n"
+          + "\007dataset\030\001 \001(\0132-.google.cloud.aiplatform.v1.EvaluationDataset\022J\n"
+          + "\023aggregation_results\030\002"
+          + " \003(\0132-.google.cloud.aiplatform.v1.AggregationResult\"\222\004\n"
+          + "\021AggregationResult\022T\n"
+          + "\027pointwise_metric_result\030\005 \001("
+          + "\01321.google.cloud.aiplatform.v1.PointwiseMetricResultH\000\022R\n"
+          + "\026pairwise_metric_result\030\006"
+          + " \001(\01320.google.cloud.aiplatform.v1.PairwiseMetricResultH\000\022U\n"
+          + "\030exact_match_metric_value\030\007"
+          + " \001(\01321.google.cloud.aiplatform.v1.ExactMatchMetricValueH\000\022H\n"
+          + "\021bleu_metric_value\030\010"
+          + " \001(\0132+.google.cloud.aiplatform.v1.BleuMetricValueH\000\022J\n"
+          + "\022rouge_metric_value\030\t"
+          + " \001(\0132,.google.cloud.aiplatform.v1.RougeMetricValueH\000\022P\n"
+          + "\022aggregation_metric\030\004 "
+          + "\001(\01624.google.cloud.aiplatform.v1.Metric.AggregationMetricB\024\n"
+          + "\022aggregation_result\"s\n"
+          + "\024PredefinedMetricSpec\022\035\n"
+          + "\020metric_spec_name\030\001 \001(\tB\003\340A\002\022<\n"
+          + "\026metric_spec_parameters\030\002"
+          + " \001(\0132\027.google.protobuf.StructB\003\340A\001\"\311\002\n"
+          + "\032ComputationBasedMetricSpec\022i\n"
+          + "\004type\030\001 \001(\0162Q.google.cloud.aiplatform.v1.Computati"
+          + "onBasedMetricSpec.ComputationBasedMetricTypeB\003\340A\002H\000\210\001\001\0225\n\n"
+          + "parameters\030\002"
+          + " \001(\0132\027.google.protobuf.StructB\003\340A\001H\001\210\001\001\"q\n"
+          + "\032ComputationBasedMetricType\022-\n"
+          + ")COMPUTATION_BASED_METRIC_TYPE_UNSPECIFIED\020\000\022\017\n"
+          + "\013EXACT_MATCH\020\001\022\010\n"
+          + "\004BLEU\020\002\022\t\n"
+          + "\005ROUGE\020\003B\007\n"
+          + "\005_typeB\r\n"
+          + "\013_parameters\"\351\003\n"
+          + "\022LLMBasedMetricSpec\022\032\n"
+          + "\020rubric_group_key\030\004 \001(\tH\000\022]\n"
+          + "!predefined_rubric_generation_spec\030\006"
+          + " \001(\01320.google.cloud.aiplatform.v1.PredefinedMetricSpecH\000\022(\n"
+          + "\026metric_prompt_template\030\001 \001(\tB\003\340A\002H\001\210\001\001\022$\n"
+          + "\022system_instruction\030\002 \001(\tB\003\340A\001H\002\210\001\001\022U\n"
+          + "\026judge_autorater_config\030\003 \001(\0132+.google.clou"
+          + "d.aiplatform.v1.AutoraterConfigB\003\340A\001H\003\210\001\001\022<\n"
+          + "\021additional_config\030\007"
+          + " \001(\0132\027.google.protobuf.StructB\003\340A\001H\004\210\001\001B\020\n"
+          + "\016rubrics_sourceB\031\n"
+          + "\027_metric_prompt_templateB\025\n"
+          + "\023_system_instructionB\031\n"
+          + "\027_judge_autorater_configB\024\n"
+          + "\022_additional_config\"\237\001\n"
           + "\017ExactMatchInput\022D\n"
           + "\013metric_spec\030\001"
           + " \001(\0132*.google.cloud.aiplatform.v1.ExactMatchSpecB\003\340A\002\022F\n"
@@ -608,8 +798,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\005score\030\001 \001(\002B\003\340A\003H\000\210\001\001B\010\n"
           + "\006_score\"\215\001\n"
           + "\tBleuInput\022>\n"
-          + "\013metric_spec\030\001 \001(\013"
-          + "2$.google.cloud.aiplatform.v1.BleuSpecB\003\340A\002\022@\n"
+          + "\013metric_spec\030\001 \001(\0132$."
+          + "google.cloud.aiplatform.v1.BleuSpecB\003\340A\002\022@\n"
           + "\tinstances\030\002"
           + " \003(\0132(.google.cloud.aiplatform.v1.BleuInstanceB\003\340A\002\"f\n"
           + "\014BleuInstance\022\034\n\n"
@@ -626,8 +816,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\005score\030\001 \001(\002B\003\340A\003H\000\210\001\001B\010\n"
           + "\006_score\"\220\001\n\n"
           + "RougeInput\022?\n"
-          + "\013metric_spec\030\001 \001"
-          + "(\0132%.google.cloud.aiplatform.v1.RougeSpecB\003\340A\002\022A\n"
+          + "\013metric_spec\030\001 \001(\0132"
+          + "%.google.cloud.aiplatform.v1.RougeSpecB\003\340A\002\022A\n"
           + "\tinstances\030\002"
           + " \003(\0132).google.cloud.aiplatform.v1.RougeInstanceB\003\340A\002\"g\n\r"
           + "RougeInstance\022\034\n\n"
@@ -640,8 +830,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\013use_stemmer\030\002 \001(\010B\003\340A\001\022\034\n"
           + "\017split_summaries\030\003 \001(\010B\003\340A\001\"^\n"
           + "\014RougeResults\022N\n"
-          + "\023rouge_metric_values\030\001 \003(\0132,."
-          + "google.cloud.aiplatform.v1.RougeMetricValueB\003\340A\003\"5\n"
+          + "\023rouge_metric_values\030\001 \003(\0132,.goo"
+          + "gle.cloud.aiplatform.v1.RougeMetricValueB\003\340A\003\"5\n"
           + "\020RougeMetricValue\022\027\n"
           + "\005score\030\001 \001(\002B\003\340A\003H\000\210\001\001B\010\n"
           + "\006_score\"\233\001\n"
@@ -664,8 +854,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\014FluencyInput\022A\n"
           + "\013metric_spec\030\001"
           + " \001(\0132\'.google.cloud.aiplatform.v1.FluencySpecB\003\340A\002\022B\n"
-          + "\010instance\030\002 \001(\0132+.goog"
-          + "le.cloud.aiplatform.v1.FluencyInstanceB\003\340A\002\">\n"
+          + "\010instance\030\002 \001(\0132+.google."
+          + "cloud.aiplatform.v1.FluencyInstanceB\003\340A\002\">\n"
           + "\017FluencyInstance\022\034\n\n"
           + "prediction\030\001 \001(\tB\003\340A\002H\000\210\001\001B\r\n"
           + "\013_prediction\"#\n"
@@ -694,10 +884,10 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\006_scoreB\r\n"
           + "\013_confidence\"\244\001\n"
           + "\021GroundednessInput\022F\n"
-          + "\013metric_spec\030\001 \001(\013"
-          + "2,.google.cloud.aiplatform.v1.GroundednessSpecB\003\340A\002\022G\n"
-          + "\010instance\030\002 \001(\01320.google.c"
-          + "loud.aiplatform.v1.GroundednessInstanceB\003\340A\002\"j\n"
+          + "\013metric_spec\030\001 \001(\0132,."
+          + "google.cloud.aiplatform.v1.GroundednessSpecB\003\340A\002\022G\n"
+          + "\010instance\030\002 \001(\01320.google.clou"
+          + "d.aiplatform.v1.GroundednessInstanceB\003\340A\002\"j\n"
           + "\024GroundednessInstance\022\034\n\n"
           + "prediction\030\001 \001(\tB\003\340A\002H\000\210\001\001\022\031\n"
           + "\007context\030\002 \001(\tB\003\340A\002H\001\210\001\001B\r\n"
@@ -712,10 +902,10 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\006_scoreB\r\n"
           + "\013_confidence\"\241\001\n"
           + "\020FulfillmentInput\022E\n"
-          + "\013metric_spec\030\001"
-          + " \001(\0132+.google.cloud.aiplatform.v1.FulfillmentSpecB\003\340A\002\022F\n"
-          + "\010instance\030\002 \001(\0132/.googl"
-          + "e.cloud.aiplatform.v1.FulfillmentInstanceB\003\340A\002\"q\n"
+          + "\013metric_spec\030\001 \001("
+          + "\0132+.google.cloud.aiplatform.v1.FulfillmentSpecB\003\340A\002\022F\n"
+          + "\010instance\030\002 \001(\0132/.google.c"
+          + "loud.aiplatform.v1.FulfillmentInstanceB\003\340A\002\"q\n"
           + "\023FulfillmentInstance\022\034\n\n"
           + "prediction\030\001 \001(\tB\003\340A\002H\000\210\001\001\022\035\n"
           + "\013instruction\030\002 \001(\tB\003\340A\002H\001\210\001\001B\r\n"
@@ -730,10 +920,10 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\006_scoreB\r\n"
           + "\013_confidence\"\274\001\n"
           + "\031SummarizationQualityInput\022N\n"
-          + "\013metric_spec\030\001 \001(\01324.google.cloud.aipl"
-          + "atform.v1.SummarizationQualitySpecB\003\340A\002\022O\n"
-          + "\010instance\030\002 \001(\01328.google.cloud.aiplatf"
-          + "orm.v1.SummarizationQualityInstanceB\003\340A\002\"\314\001\n"
+          + "\013metric_spec\030\001"
+          + " \001(\01324.google.cloud.aiplatform.v1.SummarizationQualitySpecB\003\340A\002\022O\n"
+          + "\010instance\030\002 \001(\01328.google.cloud.aiplatform"
+          + ".v1.SummarizationQualityInstanceB\003\340A\002\"\314\001\n"
           + "\034SummarizationQualityInstance\022\034\n\n"
           + "prediction\030\001 \001(\tB\003\340A\002H\000\210\001\001\022\033\n"
           + "\treference\030\002 \001(\tB\003\340A\001H\001\210\001\001\022\031\n"
@@ -753,10 +943,10 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\006_scoreB\r\n"
           + "\013_confidence\"\324\001\n"
           + "!PairwiseSummarizationQualityInput\022V\n"
-          + "\013metric_spec\030\001 \001("
-          + "\0132<.google.cloud.aiplatform.v1.PairwiseSummarizationQualitySpecB\003\340A\002\022W\n"
-          + "\010instance\030\002 \001(\0132@.google.cloud.aiplatform.v1.Pair"
-          + "wiseSummarizationQualityInstanceB\003\340A\002\"\223\002\n"
+          + "\013metric_spec\030\001 \001(\0132<"
+          + ".google.cloud.aiplatform.v1.PairwiseSummarizationQualitySpecB\003\340A\002\022W\n"
+          + "\010instance\030\002 "
+          + "\001(\0132@.google.cloud.aiplatform.v1.PairwiseSummarizationQualityInstanceB\003\340A\002\"\223\002\n"
           + "$PairwiseSummarizationQualityInstance\022\034\n\n"
           + "prediction\030\001 \001(\tB\003\340A\002H\000\210\001\001\022%\n"
           + "\023baseline_prediction\030\002 \001(\tB\003\340A\002H\001\210\001\001\022\033\n"
@@ -778,17 +968,16 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "confidence\030\003 \001(\002B\003\340A\003H\000\210\001\001B\r\n"
           + "\013_confidence\"\310\001\n"
           + "\035SummarizationHelpfulnessInput\022R\n"
-          + "\013metric_spec\030\001 \001(\013"
-          + "28.google.cloud.aiplatform.v1.SummarizationHelpfulnessSpecB\003\340A\002\022S\n"
-          + "\010instance\030\002 \001("
-          + "\0132<.google.cloud.aiplatform.v1.SummarizationHelpfulnessInstanceB\003\340A\002\"\320\001\n"
+          + "\013metric_spec\030\001 \001(\01328."
+          + "google.cloud.aiplatform.v1.SummarizationHelpfulnessSpecB\003\340A\002\022S\n"
+          + "\010instance\030\002 \001(\0132<"
+          + ".google.cloud.aiplatform.v1.SummarizationHelpfulnessInstanceB\003\340A\002\"\320\001\n"
           + " SummarizationHelpfulnessInstance\022\034\n\n"
           + "prediction\030\001 \001(\tB\003\340A\002H\000\210\001\001\022\033\n"
           + "\treference\030\002 \001(\tB\003\340A\001H\001\210\001\001\022\031\n"
           + "\007context\030\003 \001(\tB\003\340A\002H\002\210\001\001\022\035\n"
           + "\013instruction\030\004 \001(\tB\003\340A\001H\003\210\001\001B\r\n"
-          + "\013_predictionB\014\n"
-          + "\n"
+          + "\013_predictionB\014\n\n"
           + "_referenceB\n\n"
           + "\010_contextB\016\n"
           + "\014_instruction\"P\n"
@@ -802,10 +991,10 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\006_scoreB\r\n"
           + "\013_confidence\"\302\001\n"
           + "\033SummarizationVerbosityInput\022P\n"
-          + "\013metric_spec\030\001 \001(\01326.go"
-          + "ogle.cloud.aiplatform.v1.SummarizationVerbositySpecB\003\340A\002\022Q\n"
-          + "\010instance\030\002 \001(\0132:.goo"
-          + "gle.cloud.aiplatform.v1.SummarizationVerbosityInstanceB\003\340A\002\"\316\001\n"
+          + "\013metric_spec\030\001 \001(\01326.googl"
+          + "e.cloud.aiplatform.v1.SummarizationVerbositySpecB\003\340A\002\022Q\n"
+          + "\010instance\030\002 \001(\0132:.google"
+          + ".cloud.aiplatform.v1.SummarizationVerbosityInstanceB\003\340A\002\"\316\001\n"
           + "\036SummarizationVerbosityInstance\022\034\n\n"
           + "prediction\030\001 \001(\tB\003\340A\002H\000\210\001\001\022\033\n"
           + "\treference\030\002 \001(\tB\003\340A\001H\001\210\001\001\022\031\n"
@@ -825,10 +1014,10 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\006_scoreB\r\n"
           + "\013_confidence\"\310\001\n"
           + "\035QuestionAnsweringQualityInput\022R\n"
-          + "\013metric_spec\030\001 \001(\01328.google.cloud.ai"
-          + "platform.v1.QuestionAnsweringQualitySpecB\003\340A\002\022S\n"
-          + "\010instance\030\002 \001(\0132<.google.cloud.a"
-          + "iplatform.v1.QuestionAnsweringQualityInstanceB\003\340A\002\"\320\001\n"
+          + "\013metric_spec\030\001 \001(\01328.google.cloud.aipla"
+          + "tform.v1.QuestionAnsweringQualitySpecB\003\340A\002\022S\n"
+          + "\010instance\030\002 \001(\0132<.google.cloud.aipl"
+          + "atform.v1.QuestionAnsweringQualityInstanceB\003\340A\002\"\320\001\n"
           + " QuestionAnsweringQualityInstance\022\034\n\n"
           + "prediction\030\001 \001(\tB\003\340A\002H\000\210\001\001\022\033\n"
           + "\treference\030\002 \001(\tB\003\340A\001H\001\210\001\001\022\031\n"
@@ -848,10 +1037,10 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\006_scoreB\r\n"
           + "\013_confidence\"\340\001\n"
           + "%PairwiseQuestionAnsweringQualityInput\022Z\n"
-          + "\013metric_spec\030\001 \001(\0132@.google.clo"
-          + "ud.aiplatform.v1.PairwiseQuestionAnsweringQualitySpecB\003\340A\002\022[\n"
-          + "\010instance\030\002 \001(\0132D.g"
-          + "oogle.cloud.aiplatform.v1.PairwiseQuestionAnsweringQualityInstanceB\003\340A\002\"\227\002\n"
+          + "\013metric_spec\030\001 \001(\0132@.google.cloud."
+          + "aiplatform.v1.PairwiseQuestionAnsweringQualitySpecB\003\340A\002\022[\n"
+          + "\010instance\030\002 \001(\0132D.goog"
+          + "le.cloud.aiplatform.v1.PairwiseQuestionAnsweringQualityInstanceB\003\340A\002\"\227\002\n"
           + "(PairwiseQuestionAnsweringQualityInstance\022\034\n\n"
           + "prediction\030\001 \001(\tB\003\340A\002H\000\210\001\001\022%\n"
           + "\023baseline_prediction\030\002 \001(\tB\003\340A\002H\001\210\001\001\022\033\n"
@@ -867,16 +1056,16 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "use_reference\030\001 \001(\010B\003\340A\001\022\024\n"
           + "\007version\030\002 \001(\005B\003\340A\001\"\271\001\n"
           + "&PairwiseQuestionAnsweringQualityResult\022H\n"
-          + "\017pairwise_choice\030\001 \001(\0162*.google"
-          + ".cloud.aiplatform.v1.PairwiseChoiceB\003\340A\003\022\030\n"
+          + "\017pairwise_choice\030\001"
+          + " \001(\0162*.google.cloud.aiplatform.v1.PairwiseChoiceB\003\340A\003\022\030\n"
           + "\013explanation\030\002 \001(\tB\003\340A\003\022\034\n\n"
           + "confidence\030\003 \001(\002B\003\340A\003H\000\210\001\001B\r\n"
           + "\013_confidence\"\316\001\n"
           + "\037QuestionAnsweringRelevanceInput\022T\n"
-          + "\013metric_spec\030\001"
-          + " \001(\0132:.google.cloud.aiplatform.v1.QuestionAnsweringRelevanceSpecB\003\340A\002\022U\n"
-          + "\010instance\030\002 \001(\0132>.google.cloud.aiplatform.v1"
-          + ".QuestionAnsweringRelevanceInstanceB\003\340A\002\"\322\001\n"
+          + "\013metric_spec\030\001 \001(\0132:.google.cloud.aiplatform.v1.Quest",
+      "ionAnsweringRelevanceSpecB\003\340A\002\022U\n"
+          + "\010instance\030\002 \001(\0132>.google.cloud.aiplatform.v1.Qu"
+          + "estionAnsweringRelevanceInstanceB\003\340A\002\"\322\001\n"
           + "\"QuestionAnsweringRelevanceInstance\022\034\n\n"
           + "prediction\030\001 \001(\tB\003\340A\002H\000\210\001\001\022\033\n"
           + "\treference\030\002 \001(\tB\003\340A\001H\001\210\001\001\022\031\n"
@@ -896,10 +1085,10 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\006_scoreB\r\n"
           + "\013_confidence\"\324\001\n"
           + "!QuestionAnsweringHelpfulnessInput\022V\n"
-          + "\013metric_spec\030\001 \001(\0132<.google.cloud.aipla"
-          + "tform.v1.QuestionAnsweringHelpfulnessSpecB\003\340A\002\022W\n"
-          + "\010instance\030\002 \001(\0132@.google.cloud."
-          + "aiplatform.v1.QuestionAnsweringHelpfulnessInstanceB\003\340A\002\"\324\001\n"
+          + "\013metric_spec\030\001 \001(\0132<.google.cloud.aiplatfo"
+          + "rm.v1.QuestionAnsweringHelpfulnessSpecB\003\340A\002\022W\n"
+          + "\010instance\030\002 \001(\0132@.google.cloud.aip"
+          + "latform.v1.QuestionAnsweringHelpfulnessInstanceB\003\340A\002\"\324\001\n"
           + "$QuestionAnsweringHelpfulnessInstance\022\034\n\n"
           + "prediction\030\001 \001(\tB\003\340A\002H\000\210\001\001\022\033\n"
           + "\treference\030\002 \001(\tB\003\340A\001H\001\210\001\001\022\031\n"
@@ -919,12 +1108,11 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\006_scoreB\r\n"
           + "\013_confidence\"\324\001\n"
           + "!QuestionAnsweringCorrectnessInput\022V\n"
-          + "\013metric_spec\030\001 \001(\013"
-          + "2<.google.cloud.aiplatform.v1.QuestionAnsweringCorrectnessSpecB\003\340A\002\022W\n"
-          + "\010instance\030\002"
-          + " \001(\0132@.google.cloud.aiplatform.v1.QuestionAnsweringCorrectnessInstanceB\003\340A\002\"\324\001\n"
-          + "$QuestionAnsweringCorrectnessInstance\022\034\n"
-          + "\n"
+          + "\013metric_spec\030\001 \001(\0132<."
+          + "google.cloud.aiplatform.v1.QuestionAnsweringCorrectnessSpecB\003\340A\002\022W\n"
+          + "\010instance\030\002 \001"
+          + "(\0132@.google.cloud.aiplatform.v1.QuestionAnsweringCorrectnessInstanceB\003\340A\002\"\324\001\n"
+          + "$QuestionAnsweringCorrectnessInstance\022\034\n\n"
           + "prediction\030\001 \001(\tB\003\340A\002H\000\210\001\001\022\033\n"
           + "\treference\030\002 \001(\tB\003\340A\001H\001\210\001\001\022\031\n"
           + "\007context\030\003 \001(\tB\003\340A\001H\002\210\001\001\022\035\n"
@@ -945,38 +1133,65 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\024PointwiseMetricInput\022I\n"
           + "\013metric_spec\030\001"
           + " \001(\0132/.google.cloud.aiplatform.v1.PointwiseMetricSpecB\003\340A\002\022J\n"
-          + "\010instance\030\002 \001(\013"
-          + "23.google.cloud.aiplatform.v1.PointwiseMetricInstanceB\003\340A\002\">\n"
+          + "\010instance\030\002 \001(\01323."
+          + "google.cloud.aiplatform.v1.PointwiseMetricInstanceB\003\340A\002\"\206\001\n"
           + "\027PointwiseMetricInstance\022\027\n\r"
-          + "json_instance\030\001 \001(\tH\000B\n\n"
-          + "\010instance\"Z\n"
+          + "json_instance\030\001 \001(\tH\000\022F\n"
+          + "\024content_map_instance\030\002"
+          + " \001(\0132&.google.cloud.aiplatform.v1.ContentMapH\000B\n\n"
+          + "\010instance\"\367\001\n"
           + "\023PointwiseMetricSpec\022(\n"
-          + "\026metric_prompt_template\030\001 \001(\tB\003\340A\002H\000\210\001\001B\031\n"
-          + "\027_metric_prompt_template\"T\n"
+          + "\026metric_prompt_template\030\001 \001(\tB\003\340A\002H\000\210\001\001\022$\n"
+          + "\022system_instruction\030\002 \001(\tB\003\340A\001H\001\210\001\001\022^\n"
+          + "\033custom_output_format_config\030\003"
+          + " \001(\01324.google.cloud.aiplatform.v1.CustomOutputFormatConfigB\003\340A\001B\031\n"
+          + "\027_metric_prompt_templateB\025\n"
+          + "\023_system_instruction\"[\n"
+          + "\030CustomOutputFormatConfig\022 \n"
+          + "\021return_raw_output\030\001 \001(\010B\003\340A\001H\000B\035\n"
+          + "\033custom_output_format_config\"\232\001\n"
           + "\025PointwiseMetricResult\022\027\n"
           + "\005score\030\001 \001(\002B\003\340A\003H\000\210\001\001\022\030\n"
-          + "\013explanation\030\002 \001(\tB\003\340A\003B\010\n"
-          + "\006_score\"\252\001\n"
+          + "\013explanation\030\002 \001(\tB\003\340A\003\022D\n\r"
+          + "custom_output\030\003 \001(\0132(.go"
+          + "ogle.cloud.aiplatform.v1.CustomOutputB\003\340A\003B\010\n"
+          + "\006_score\"b\n"
+          + "\014CustomOutput\022A\n"
+          + "\013raw_outputs\030\001"
+          + " \001(\0132%.google.cloud.aiplatform.v1.RawOutputB\003\340A\003H\000B\017\n\r"
+          + "custom_output\"$\n"
+          + "\tRawOutput\022\027\n\n"
+          + "raw_output\030\001 \003(\tB\003\340A\003\"\252\001\n"
           + "\023PairwiseMetricInput\022H\n"
-          + "\013metric_spec\030\001 \001(\0132..google.cloud"
-          + ".aiplatform.v1.PairwiseMetricSpecB\003\340A\002\022I\n"
-          + "\010instance\030\002"
-          + " \001(\01322.google.cloud.aiplatform.v1.PairwiseMetricInstanceB\003\340A\002\"=\n"
+          + "\013metric_spec\030\001 \001(\0132..go"
+          + "ogle.cloud.aiplatform.v1.PairwiseMetricSpecB\003\340A\002\022I\n"
+          + "\010instance\030\002 \001(\01322.google.clou"
+          + "d.aiplatform.v1.PairwiseMetricInstanceB\003\340A\002\"\205\001\n"
           + "\026PairwiseMetricInstance\022\027\n\r"
-          + "json_instance\030\001 \001(\tH\000B\n\n"
-          + "\010instance\"Y\n"
+          + "json_instance\030\001 \001(\tH\000\022F\n"
+          + "\024content_map_instance\030\002"
+          + " \001(\0132&.google.cloud.aiplatform.v1.ContentMapH\000B\n\n"
+          + "\010instance\"\315\002\n"
           + "\022PairwiseMetricSpec\022(\n"
-          + "\026metric_prompt_template\030\001 \001(\tB\003\340A\002H\000\210\001\001B\031\n"
-          + "\027_metric_prompt_template\"z\n"
+          + "\026metric_prompt_template\030\001 \001(\tB\003\340A\002H\000\210\001\001\022*\n"
+          + "\035candidate_response_field_name\030\002 \001(\tB\003\340A\001\022)\n"
+          + "\034baseline_response_field_name\030\003 \001(\tB\003\340A\001\022$\n"
+          + "\022system_instruction\030\004 \001(\tB\003\340A\001H\001\210\001\001\022^\n"
+          + "\033custom_output_format_config\030\005"
+          + " \001(\01324.google.cloud.aiplatform.v1.CustomOutputFormatConfigB\003\340A\001B\031\n"
+          + "\027_metric_prompt_templateB\025\n"
+          + "\023_system_instruction\"\300\001\n"
           + "\024PairwiseMetricResult\022H\n"
-          + "\017pairwise_choice\030\001 \001(\0162*.g"
-          + "oogle.cloud.aiplatform.v1.PairwiseChoiceB\003\340A\003\022\030\n"
-          + "\013explanation\030\002 \001(\tB\003\340A\003\"\250\001\n"
+          + "\017pairwise_choice\030\001"
+          + " \001(\0162*.google.cloud.aiplatform.v1.PairwiseChoiceB\003\340A\003\022\030\n"
+          + "\013explanation\030\002 \001(\tB\003\340A\003\022D\n\r"
+          + "custom_output\030\003"
+          + " \001(\0132(.google.cloud.aiplatform.v1.CustomOutputB\003\340A\003\"\250\001\n"
           + "\022ToolCallValidInput\022G\n"
-          + "\013metric_spec\030\001 \001(\0132-.go"
-          + "ogle.cloud.aiplatform.v1.ToolCallValidSpecB\003\340A\002\022I\n"
-          + "\tinstances\030\002 \003(\01321.google.clou"
-          + "d.aiplatform.v1.ToolCallValidInstanceB\003\340A\002\"\023\n"
+          + "\013metric_spec\030\001 \001(\0132-.goo"
+          + "gle.cloud.aiplatform.v1.ToolCallValidSpecB\003\340A\002\022I\n"
+          + "\tinstances\030\002 \003(\01321.google.cloud"
+          + ".aiplatform.v1.ToolCallValidInstanceB\003\340A\002\"\023\n"
           + "\021ToolCallValidSpec\"o\n"
           + "\025ToolCallValidInstance\022\034\n\n"
           + "prediction\030\001 \001(\tB\003\340A\002H\000\210\001\001\022\033\n"
@@ -984,16 +1199,16 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\013_predictionB\014\n\n"
           + "_reference\"x\n"
           + "\024ToolCallValidResults\022`\n"
-          + "\035tool_call_valid_metric_values\030\001 \003(\0132"
-          + "4.google.cloud.aiplatform.v1.ToolCallValidMetricValueB\003\340A\003\"=\n"
+          + "\035tool_call_valid_metric_values\030\001 \003(\01324"
+          + ".google.cloud.aiplatform.v1.ToolCallValidMetricValueB\003\340A\003\"=\n"
           + "\030ToolCallValidMetricValue\022\027\n"
           + "\005score\030\001 \001(\002B\003\340A\003H\000\210\001\001B\010\n"
           + "\006_score\"\250\001\n"
           + "\022ToolNameMatchInput\022G\n"
           + "\013metric_spec\030\001"
           + " \001(\0132-.google.cloud.aiplatform.v1.ToolNameMatchSpecB\003\340A\002\022I\n"
-          + "\tinstances\030\002 \003(\01321.g"
-          + "oogle.cloud.aiplatform.v1.ToolNameMatchInstanceB\003\340A\002\"\023\n"
+          + "\tinstances\030\002 \003(\01321.go"
+          + "ogle.cloud.aiplatform.v1.ToolNameMatchInstanceB\003\340A\002\"\023\n"
           + "\021ToolNameMatchSpec\"o\n"
           + "\025ToolNameMatchInstance\022\034\n\n"
           + "prediction\030\001 \001(\tB\003\340A\002H\000\210\001\001\022\033\n"
@@ -1003,15 +1218,14 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\024ToolNameMatchResults\022`\n"
           + "\035tool_name_match_metric_values\030\001"
           + " \003(\01324.google.cloud.aiplatform.v1.ToolNameMatchMetricValueB\003\340A\003\"=\n"
-          + "\030ToolName",
-      "MatchMetricValue\022\027\n"
+          + "\030ToolNameMatchMetricValue\022\027\n"
           + "\005score\030\001 \001(\002B\003\340A\003H\000\210\001\001B\010\n"
           + "\006_score\"\300\001\n"
           + "\032ToolParameterKeyMatchInput\022O\n"
-          + "\013metric_spec\030\001 \001(\01325.google.cloud.a"
-          + "iplatform.v1.ToolParameterKeyMatchSpecB\003\340A\002\022Q\n"
-          + "\tinstances\030\002 \003(\01329.google.cloud.ai"
-          + "platform.v1.ToolParameterKeyMatchInstanceB\003\340A\002\"\033\n"
+          + "\013metric_spec\030\001 \001(\01325.google.cloud.ai"
+          + "platform.v1.ToolParameterKeyMatchSpecB\003\340A\002\022Q\n"
+          + "\tinstances\030\002 \003(\01329.google.cloud.aip"
+          + "latform.v1.ToolParameterKeyMatchInstanceB\003\340A\002\"\033\n"
           + "\031ToolParameterKeyMatchSpec\"w\n"
           + "\035ToolParameterKeyMatchInstance\022\034\n\n"
           + "prediction\030\001 \001(\tB\003\340A\002H\000\210\001\001\022\033\n"
@@ -1019,16 +1233,16 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\013_predictionB\014\n\n"
           + "_reference\"\221\001\n"
           + "\034ToolParameterKeyMatchResults\022q\n"
-          + "&tool_parameter_key_match_metric_values\030\001 \003(\0132<."
-          + "google.cloud.aiplatform.v1.ToolParameterKeyMatchMetricValueB\003\340A\003\"E\n"
+          + "&tool_parameter_key_match_metric_values\030\001 \003(\0132<.g"
+          + "oogle.cloud.aiplatform.v1.ToolParameterKeyMatchMetricValueB\003\340A\003\"E\n"
           + " ToolParameterKeyMatchMetricValue\022\027\n"
           + "\005score\030\001 \001(\002B\003\340A\003H\000\210\001\001B\010\n"
           + "\006_score\"\275\001\n"
           + "\031ToolParameterKVMatchInput\022N\n"
-          + "\013metric_spec\030\001 \001(\01324.google.clou"
-          + "d.aiplatform.v1.ToolParameterKVMatchSpecB\003\340A\002\022P\n"
-          + "\tinstances\030\002 \003(\01328.google.cloud."
-          + "aiplatform.v1.ToolParameterKVMatchInstanceB\003\340A\002\"@\n"
+          + "\013metric_spec\030\001 \001(\01324.google.cloud"
+          + ".aiplatform.v1.ToolParameterKVMatchSpecB\003\340A\002\022P\n"
+          + "\tinstances\030\002 \003(\01328.google.cloud.a"
+          + "iplatform.v1.ToolParameterKVMatchInstanceB\003\340A\002\"@\n"
           + "\030ToolParameterKVMatchSpec\022$\n"
           + "\027use_strict_string_match\030\001 \001(\010B\003\340A\001\"v\n"
           + "\034ToolParameterKVMatchInstance\022\034\n\n"
@@ -1037,19 +1251,19 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\013_predictionB\014\n\n"
           + "_reference\"\216\001\n"
           + "\033ToolParameterKVMatchResults\022o\n"
-          + "%tool_parameter_kv_match_metric_values\030\001 \003(\0132;.googl"
-          + "e.cloud.aiplatform.v1.ToolParameterKVMatchMetricValueB\003\340A\003\"D\n"
+          + "%tool_parameter_kv_match_metric_values\030\001 \003(\0132;.google"
+          + ".cloud.aiplatform.v1.ToolParameterKVMatchMetricValueB\003\340A\003\"D\n"
           + "\037ToolParameterKVMatchMetricValue\022\027\n"
           + "\005score\030\001 \001(\002B\003\340A\003H\000\210\001\001B\010\n"
           + "\006_score\"\217\001\n\n"
           + "CometInput\022?\n"
-          + "\013metric_spec\030\001"
-          + " \001(\0132%.google.cloud.aiplatform.v1.CometSpecB\003\340A\002\022@\n"
+          + "\013metric_spec\030\001 "
+          + "\001(\0132%.google.cloud.aiplatform.v1.CometSpecB\003\340A\002\022@\n"
           + "\010instance\030\002"
           + " \001(\0132).google.cloud.aiplatform.v1.CometInstanceB\003\340A\002\"\347\001\n"
           + "\tCometSpec\022M\n"
-          + "\007version\030\001 \001(\01622.google.cloud"
-          + ".aiplatform.v1.CometSpec.CometVersionB\003\340A\002H\000\210\001\001\022\034\n"
+          + "\007version\030\001 \001(\01622.google.cloud."
+          + "aiplatform.v1.CometSpec.CometVersionB\003\340A\002H\000\210\001\001\022\034\n"
           + "\017source_language\030\002 \001(\tB\003\340A\001\022\034\n"
           + "\017target_language\030\003 \001(\tB\003\340A\001\"C\n"
           + "\014CometVersion\022\035\n"
@@ -1069,8 +1283,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\014MetricxInput\022A\n"
           + "\013metric_spec\030\001"
           + " \001(\0132\'.google.cloud.aiplatform.v1.MetricxSpecB\003\340A\002\022B\n"
-          + "\010instance\030\002 "
-          + "\001(\0132+.google.cloud.aiplatform.v1.MetricxInstanceB\003\340A\002\"\233\002\n"
+          + "\010instance\030\002 \001"
+          + "(\0132+.google.cloud.aiplatform.v1.MetricxInstanceB\003\340A\002\"\233\002\n"
           + "\013MetricxSpec\022Q\n"
           + "\007version\030\001"
           + " \001(\01626.google.cloud.aiplatform.v1.MetricxSpec.MetricxVersionB\003\340A\002H\000\210\001\001\022\034\n"
@@ -1091,24 +1305,34 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\007_source\"2\n\r"
           + "MetricxResult\022\027\n"
           + "\005score\030\001 \001(\002B\003\340A\003H\000\210\001\001B\010\n"
-          + "\006_score*W\n"
+          + "\006_score\"\375\001\n\n"
+          + "ContentMap\022G\n"
+          + "\006values\030\001"
+          + " \003(\01322.google.cloud.aiplatform.v1.ContentMap.ValuesEntryB\003\340A\001\032F\n"
+          + "\010Contents\022:\n"
+          + "\010contents\030\001"
+          + " \003(\0132#.google.cloud.aiplatform.v1.ContentB\003\340A\001\032^\n"
+          + "\013ValuesEntry\022\013\n"
+          + "\003key\030\001 \001(\t\022>\n"
+          + "\005value\030\002"
+          + " \001(\0132/.google.cloud.aiplatform.v1.ContentMap.Contents:\0028\001*W\n"
           + "\016PairwiseChoice\022\037\n"
           + "\033PAIRWISE_CHOICE_UNSPECIFIED\020\000\022\014\n"
           + "\010BASELINE\020\001\022\r\n"
           + "\tCANDIDATE\020\002\022\007\n"
           + "\003TIE\020\0032\251\002\n"
           + "\021EvaluationService\022\304\001\n"
-          + "\021EvaluateInstances\0224.google.cloud.aiplatform.v1.EvaluateInstancesRequ"
-          + "est\0325.google.cloud.aiplatform.v1.Evaluat"
-          + "eInstancesResponse\"B\202\323\344\223\002<\"7/v1/{locatio"
-          + "n=projects/*/locations/*}:evaluateInstan"
-          + "ces:\001*\032M\312A\031aiplatform.googleapis.com\322A.h"
-          + "ttps://www.googleapis.com/auth/cloud-platformB\324\001\n"
-          + "\036com.google.cloud.aiplatform.v1B\026EvaluationServiceProtoP\001Z>cloud.google"
-          + ".com/go/aiplatform/apiv1/aiplatformpb;ai"
-          + "platformpb\252\002\032Google.Cloud.AIPlatform.V1\312"
-          + "\002\032Google\\Cloud\\AIPlatform\\V1\352\002\035Google::C"
-          + "loud::AIPlatform::V1b\006proto3"
+          + "\021EvaluateInstances\0224.google.cloud.aiplatform.v1.Evalua"
+          + "teInstancesRequest\0325.google.cloud.aiplat"
+          + "form.v1.EvaluateInstancesResponse\"B\202\323\344\223\002"
+          + "<\"7/v1/{location=projects/*/locations/*}"
+          + ":evaluateInstances:\001*\032M\312A\031aiplatform.goo"
+          + "gleapis.com\322A.https://www.googleapis.com/auth/cloud-platformB\324\001\n"
+          + "\036com.google.cloud.aiplatform.v1B\026EvaluationServiceProtoP"
+          + "\001Z>cloud.google.com/go/aiplatform/apiv1/"
+          + "aiplatformpb;aiplatformpb\252\002\032Google.Cloud"
+          + ".AIPlatform.V1\312\002\032Google\\Cloud\\AIPlatform"
+          + "\\V1\352\002\035Google::Cloud::AIPlatform::V1b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -1118,6 +1342,10 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.api.ClientProto.getDescriptor(),
               com.google.api.FieldBehaviorProto.getDescriptor(),
               com.google.api.ResourceProto.getDescriptor(),
+              com.google.cloud.aiplatform.v1.ContentProto.getDescriptor(),
+              com.google.cloud.aiplatform.v1.IoProto.getDescriptor(),
+              com.google.protobuf.StructProto.getDescriptor(),
+              com.google.rpc.StatusProto.getDescriptor(),
             });
     internal_static_google_cloud_aiplatform_v1_EvaluateInstancesRequest_descriptor =
         getDescriptor().getMessageType(0);
@@ -1153,8 +1381,33 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Location",
               "MetricInputs",
             });
-    internal_static_google_cloud_aiplatform_v1_EvaluateInstancesResponse_descriptor =
+    internal_static_google_cloud_aiplatform_v1_Metric_descriptor =
         getDescriptor().getMessageType(1);
+    internal_static_google_cloud_aiplatform_v1_Metric_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_Metric_descriptor,
+            new java.lang.String[] {
+              "PredefinedMetricSpec",
+              "ComputationBasedMetricSpec",
+              "LlmBasedMetricSpec",
+              "PointwiseMetricSpec",
+              "PairwiseMetricSpec",
+              "ExactMatchSpec",
+              "BleuSpec",
+              "RougeSpec",
+              "AggregationMetrics",
+              "MetricSpec",
+            });
+    internal_static_google_cloud_aiplatform_v1_AutoraterConfig_descriptor =
+        getDescriptor().getMessageType(2);
+    internal_static_google_cloud_aiplatform_v1_AutoraterConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_AutoraterConfig_descriptor,
+            new java.lang.String[] {
+              "SamplingCount", "FlipEnabled", "AutoraterModel", "GenerationConfig",
+            });
+    internal_static_google_cloud_aiplatform_v1_EvaluateInstancesResponse_descriptor =
+        getDescriptor().getMessageType(3);
     internal_static_google_cloud_aiplatform_v1_EvaluateInstancesResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_EvaluateInstancesResponse_descriptor,
@@ -1184,10 +1437,103 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "ToolParameterKvMatchResults",
               "CometResult",
               "MetricxResult",
+              "MetricResults",
               "EvaluationResults",
             });
+    internal_static_google_cloud_aiplatform_v1_MetricResult_descriptor =
+        getDescriptor().getMessageType(4);
+    internal_static_google_cloud_aiplatform_v1_MetricResult_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_MetricResult_descriptor,
+            new java.lang.String[] {
+              "Score", "Explanation", "Error",
+            });
+    internal_static_google_cloud_aiplatform_v1_OutputConfig_descriptor =
+        getDescriptor().getMessageType(5);
+    internal_static_google_cloud_aiplatform_v1_OutputConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_OutputConfig_descriptor,
+            new java.lang.String[] {
+              "GcsDestination", "Destination",
+            });
+    internal_static_google_cloud_aiplatform_v1_EvaluationDataset_descriptor =
+        getDescriptor().getMessageType(6);
+    internal_static_google_cloud_aiplatform_v1_EvaluationDataset_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_EvaluationDataset_descriptor,
+            new java.lang.String[] {
+              "GcsSource", "BigquerySource", "Source",
+            });
+    internal_static_google_cloud_aiplatform_v1_EvaluateDatasetResponse_descriptor =
+        getDescriptor().getMessageType(7);
+    internal_static_google_cloud_aiplatform_v1_EvaluateDatasetResponse_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_EvaluateDatasetResponse_descriptor,
+            new java.lang.String[] {
+              "AggregationOutput", "OutputInfo",
+            });
+    internal_static_google_cloud_aiplatform_v1_OutputInfo_descriptor =
+        getDescriptor().getMessageType(8);
+    internal_static_google_cloud_aiplatform_v1_OutputInfo_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_OutputInfo_descriptor,
+            new java.lang.String[] {
+              "GcsOutputDirectory", "OutputLocation",
+            });
+    internal_static_google_cloud_aiplatform_v1_AggregationOutput_descriptor =
+        getDescriptor().getMessageType(9);
+    internal_static_google_cloud_aiplatform_v1_AggregationOutput_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_AggregationOutput_descriptor,
+            new java.lang.String[] {
+              "Dataset", "AggregationResults",
+            });
+    internal_static_google_cloud_aiplatform_v1_AggregationResult_descriptor =
+        getDescriptor().getMessageType(10);
+    internal_static_google_cloud_aiplatform_v1_AggregationResult_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_AggregationResult_descriptor,
+            new java.lang.String[] {
+              "PointwiseMetricResult",
+              "PairwiseMetricResult",
+              "ExactMatchMetricValue",
+              "BleuMetricValue",
+              "RougeMetricValue",
+              "AggregationMetric",
+              "AggregationResult",
+            });
+    internal_static_google_cloud_aiplatform_v1_PredefinedMetricSpec_descriptor =
+        getDescriptor().getMessageType(11);
+    internal_static_google_cloud_aiplatform_v1_PredefinedMetricSpec_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_PredefinedMetricSpec_descriptor,
+            new java.lang.String[] {
+              "MetricSpecName", "MetricSpecParameters",
+            });
+    internal_static_google_cloud_aiplatform_v1_ComputationBasedMetricSpec_descriptor =
+        getDescriptor().getMessageType(12);
+    internal_static_google_cloud_aiplatform_v1_ComputationBasedMetricSpec_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_ComputationBasedMetricSpec_descriptor,
+            new java.lang.String[] {
+              "Type", "Parameters",
+            });
+    internal_static_google_cloud_aiplatform_v1_LLMBasedMetricSpec_descriptor =
+        getDescriptor().getMessageType(13);
+    internal_static_google_cloud_aiplatform_v1_LLMBasedMetricSpec_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_LLMBasedMetricSpec_descriptor,
+            new java.lang.String[] {
+              "RubricGroupKey",
+              "PredefinedRubricGenerationSpec",
+              "MetricPromptTemplate",
+              "SystemInstruction",
+              "JudgeAutoraterConfig",
+              "AdditionalConfig",
+              "RubricsSource",
+            });
     internal_static_google_cloud_aiplatform_v1_ExactMatchInput_descriptor =
-        getDescriptor().getMessageType(2);
+        getDescriptor().getMessageType(14);
     internal_static_google_cloud_aiplatform_v1_ExactMatchInput_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_ExactMatchInput_descriptor,
@@ -1195,7 +1541,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "MetricSpec", "Instances",
             });
     internal_static_google_cloud_aiplatform_v1_ExactMatchInstance_descriptor =
-        getDescriptor().getMessageType(3);
+        getDescriptor().getMessageType(15);
     internal_static_google_cloud_aiplatform_v1_ExactMatchInstance_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_ExactMatchInstance_descriptor,
@@ -1203,13 +1549,13 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Prediction", "Reference",
             });
     internal_static_google_cloud_aiplatform_v1_ExactMatchSpec_descriptor =
-        getDescriptor().getMessageType(4);
+        getDescriptor().getMessageType(16);
     internal_static_google_cloud_aiplatform_v1_ExactMatchSpec_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_ExactMatchSpec_descriptor,
             new java.lang.String[] {});
     internal_static_google_cloud_aiplatform_v1_ExactMatchResults_descriptor =
-        getDescriptor().getMessageType(5);
+        getDescriptor().getMessageType(17);
     internal_static_google_cloud_aiplatform_v1_ExactMatchResults_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_ExactMatchResults_descriptor,
@@ -1217,7 +1563,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "ExactMatchMetricValues",
             });
     internal_static_google_cloud_aiplatform_v1_ExactMatchMetricValue_descriptor =
-        getDescriptor().getMessageType(6);
+        getDescriptor().getMessageType(18);
     internal_static_google_cloud_aiplatform_v1_ExactMatchMetricValue_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_ExactMatchMetricValue_descriptor,
@@ -1225,7 +1571,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Score",
             });
     internal_static_google_cloud_aiplatform_v1_BleuInput_descriptor =
-        getDescriptor().getMessageType(7);
+        getDescriptor().getMessageType(19);
     internal_static_google_cloud_aiplatform_v1_BleuInput_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_BleuInput_descriptor,
@@ -1233,7 +1579,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "MetricSpec", "Instances",
             });
     internal_static_google_cloud_aiplatform_v1_BleuInstance_descriptor =
-        getDescriptor().getMessageType(8);
+        getDescriptor().getMessageType(20);
     internal_static_google_cloud_aiplatform_v1_BleuInstance_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_BleuInstance_descriptor,
@@ -1241,7 +1587,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Prediction", "Reference",
             });
     internal_static_google_cloud_aiplatform_v1_BleuSpec_descriptor =
-        getDescriptor().getMessageType(9);
+        getDescriptor().getMessageType(21);
     internal_static_google_cloud_aiplatform_v1_BleuSpec_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_BleuSpec_descriptor,
@@ -1249,7 +1595,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "UseEffectiveOrder",
             });
     internal_static_google_cloud_aiplatform_v1_BleuResults_descriptor =
-        getDescriptor().getMessageType(10);
+        getDescriptor().getMessageType(22);
     internal_static_google_cloud_aiplatform_v1_BleuResults_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_BleuResults_descriptor,
@@ -1257,7 +1603,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "BleuMetricValues",
             });
     internal_static_google_cloud_aiplatform_v1_BleuMetricValue_descriptor =
-        getDescriptor().getMessageType(11);
+        getDescriptor().getMessageType(23);
     internal_static_google_cloud_aiplatform_v1_BleuMetricValue_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_BleuMetricValue_descriptor,
@@ -1265,7 +1611,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Score",
             });
     internal_static_google_cloud_aiplatform_v1_RougeInput_descriptor =
-        getDescriptor().getMessageType(12);
+        getDescriptor().getMessageType(24);
     internal_static_google_cloud_aiplatform_v1_RougeInput_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_RougeInput_descriptor,
@@ -1273,7 +1619,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "MetricSpec", "Instances",
             });
     internal_static_google_cloud_aiplatform_v1_RougeInstance_descriptor =
-        getDescriptor().getMessageType(13);
+        getDescriptor().getMessageType(25);
     internal_static_google_cloud_aiplatform_v1_RougeInstance_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_RougeInstance_descriptor,
@@ -1281,7 +1627,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Prediction", "Reference",
             });
     internal_static_google_cloud_aiplatform_v1_RougeSpec_descriptor =
-        getDescriptor().getMessageType(14);
+        getDescriptor().getMessageType(26);
     internal_static_google_cloud_aiplatform_v1_RougeSpec_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_RougeSpec_descriptor,
@@ -1289,7 +1635,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "RougeType", "UseStemmer", "SplitSummaries",
             });
     internal_static_google_cloud_aiplatform_v1_RougeResults_descriptor =
-        getDescriptor().getMessageType(15);
+        getDescriptor().getMessageType(27);
     internal_static_google_cloud_aiplatform_v1_RougeResults_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_RougeResults_descriptor,
@@ -1297,7 +1643,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "RougeMetricValues",
             });
     internal_static_google_cloud_aiplatform_v1_RougeMetricValue_descriptor =
-        getDescriptor().getMessageType(16);
+        getDescriptor().getMessageType(28);
     internal_static_google_cloud_aiplatform_v1_RougeMetricValue_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_RougeMetricValue_descriptor,
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               "Score",
             });
     internal_static_google_cloud_aiplatform_v1_CoherenceInput_descriptor =
-        getDescriptor().getMessageType(17);
+        getDescriptor().getMessageType(29);
     internal_static_google_cloud_aiplatform_v1_CoherenceInput_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_CoherenceInput_descriptor,
@@ -1313,7 +1659,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "MetricSpec", "Instance",
             });
     internal_static_google_cloud_aiplatform_v1_CoherenceInstance_descriptor =
-        getDescriptor().getMessageType(18);
+        getDescriptor().getMessageType(30);
     internal_static_google_cloud_aiplatform_v1_CoherenceInstance_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_CoherenceInstance_descriptor,
@@ -1321,7 +1667,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Prediction",
             });
     internal_static_google_cloud_aiplatform_v1_CoherenceSpec_descriptor =
-        getDescriptor().getMessageType(19);
+        getDescriptor().getMessageType(31);
     internal_static_google_cloud_aiplatform_v1_CoherenceSpec_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_CoherenceSpec_descriptor,
@@ -1329,7 +1675,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Version",
             });
     internal_static_google_cloud_aiplatform_v1_CoherenceResult_descriptor =
-        getDescriptor().getMessageType(20);
+        getDescriptor().getMessageType(32);
     internal_static_google_cloud_aiplatform_v1_CoherenceResult_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_CoherenceResult_descriptor,
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               "Score", "Explanation", "Confidence",
             });
     internal_static_google_cloud_aiplatform_v1_FluencyInput_descriptor =
-        getDescriptor().getMessageType(21);
+        getDescriptor().getMessageType(33);
     internal_static_google_cloud_aiplatform_v1_FluencyInput_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_FluencyInput_descriptor,
@@ -1345,7 +1691,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "MetricSpec", "Instance",
             });
     internal_static_google_cloud_aiplatform_v1_FluencyInstance_descriptor =
-        getDescriptor().getMessageType(22);
+        getDescriptor().getMessageType(34);
     internal_static_google_cloud_aiplatform_v1_FluencyInstance_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_FluencyInstance_descriptor,
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               "Prediction",
             });
     internal_static_google_cloud_aiplatform_v1_FluencySpec_descriptor =
-        getDescriptor().getMessageType(23);
+        getDescriptor().getMessageType(35);
     internal_static_google_cloud_aiplatform_v1_FluencySpec_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_FluencySpec_descriptor,
@@ -1361,7 +1707,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Version",
             });
     internal_static_google_cloud_aiplatform_v1_FluencyResult_descriptor =
-        getDescriptor().getMessageType(24);
+        getDescriptor().getMessageType(36);
     internal_static_google_cloud_aiplatform_v1_FluencyResult_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_FluencyResult_descriptor,
@@ -1369,7 +1715,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Score", "Explanation", "Confidence",
             });
     internal_static_google_cloud_aiplatform_v1_SafetyInput_descriptor =
-        getDescriptor().getMessageType(25);
+        getDescriptor().getMessageType(37);
     internal_static_google_cloud_aiplatform_v1_SafetyInput_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_SafetyInput_descriptor,
@@ -1377,7 +1723,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "MetricSpec", "Instance",
             });
     internal_static_google_cloud_aiplatform_v1_SafetyInstance_descriptor =
-        getDescriptor().getMessageType(26);
+        getDescriptor().getMessageType(38);
     internal_static_google_cloud_aiplatform_v1_SafetyInstance_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_SafetyInstance_descriptor,
@@ -1385,7 +1731,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Prediction",
             });
     internal_static_google_cloud_aiplatform_v1_SafetySpec_descriptor =
-        getDescriptor().getMessageType(27);
+        getDescriptor().getMessageType(39);
     internal_static_google_cloud_aiplatform_v1_SafetySpec_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_SafetySpec_descriptor,
@@ -1393,7 +1739,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Version",
             });
     internal_static_google_cloud_aiplatform_v1_SafetyResult_descriptor =
-        getDescriptor().getMessageType(28);
+        getDescriptor().getMessageType(40);
     internal_static_google_cloud_aiplatform_v1_SafetyResult_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_SafetyResult_descriptor,
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               "Score", "Explanation", "Confidence",
             });
     internal_static_google_cloud_aiplatform_v1_GroundednessInput_descriptor =
-        getDescriptor().getMessageType(29);
+        getDescriptor().getMessageType(41);
     internal_static_google_cloud_aiplatform_v1_GroundednessInput_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_GroundednessInput_descriptor,
@@ -1409,7 +1755,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "MetricSpec", "Instance",
             });
     internal_static_google_cloud_aiplatform_v1_GroundednessInstance_descriptor =
-        getDescriptor().getMessageType(30);
+        getDescriptor().getMessageType(42);
     internal_static_google_cloud_aiplatform_v1_GroundednessInstance_fieldAccessorTable =
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               "Prediction", "Context",
             });
     internal_static_google_cloud_aiplatform_v1_GroundednessSpec_descriptor =
-        getDescriptor().getMessageType(31);
+        getDescriptor().getMessageType(43);
     internal_static_google_cloud_aiplatform_v1_GroundednessSpec_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
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               "Version",
             });
     internal_static_google_cloud_aiplatform_v1_GroundednessResult_descriptor =
-        getDescriptor().getMessageType(32);
+        getDescriptor().getMessageType(44);
     internal_static_google_cloud_aiplatform_v1_GroundednessResult_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
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               "Score", "Explanation", "Confidence",
             });
     internal_static_google_cloud_aiplatform_v1_FulfillmentInput_descriptor =
-        getDescriptor().getMessageType(33);
+        getDescriptor().getMessageType(45);
     internal_static_google_cloud_aiplatform_v1_FulfillmentInput_fieldAccessorTable =
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@@ -1441,7 +1787,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "MetricSpec", "Instance",
             });
     internal_static_google_cloud_aiplatform_v1_FulfillmentInstance_descriptor =
-        getDescriptor().getMessageType(34);
+        getDescriptor().getMessageType(46);
     internal_static_google_cloud_aiplatform_v1_FulfillmentInstance_fieldAccessorTable =
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               "Prediction", "Instruction",
             });
     internal_static_google_cloud_aiplatform_v1_FulfillmentSpec_descriptor =
-        getDescriptor().getMessageType(35);
+        getDescriptor().getMessageType(47);
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               "Version",
             });
     internal_static_google_cloud_aiplatform_v1_FulfillmentResult_descriptor =
-        getDescriptor().getMessageType(36);
+        getDescriptor().getMessageType(48);
     internal_static_google_cloud_aiplatform_v1_FulfillmentResult_fieldAccessorTable =
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               "Score", "Explanation", "Confidence",
             });
     internal_static_google_cloud_aiplatform_v1_SummarizationQualityInput_descriptor =
-        getDescriptor().getMessageType(37);
+        getDescriptor().getMessageType(49);
     internal_static_google_cloud_aiplatform_v1_SummarizationQualityInput_fieldAccessorTable =
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               "MetricSpec", "Instance",
             });
     internal_static_google_cloud_aiplatform_v1_SummarizationQualityInstance_descriptor =
-        getDescriptor().getMessageType(38);
+        getDescriptor().getMessageType(50);
     internal_static_google_cloud_aiplatform_v1_SummarizationQualityInstance_fieldAccessorTable =
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               "Prediction", "Reference", "Context", "Instruction",
             });
     internal_static_google_cloud_aiplatform_v1_SummarizationQualitySpec_descriptor =
-        getDescriptor().getMessageType(39);
+        getDescriptor().getMessageType(51);
     internal_static_google_cloud_aiplatform_v1_SummarizationQualitySpec_fieldAccessorTable =
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               "UseReference", "Version",
             });
     internal_static_google_cloud_aiplatform_v1_SummarizationQualityResult_descriptor =
-        getDescriptor().getMessageType(40);
+        getDescriptor().getMessageType(52);
     internal_static_google_cloud_aiplatform_v1_SummarizationQualityResult_fieldAccessorTable =
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               "Score", "Explanation", "Confidence",
             });
     internal_static_google_cloud_aiplatform_v1_PairwiseSummarizationQualityInput_descriptor =
-        getDescriptor().getMessageType(41);
+        getDescriptor().getMessageType(53);
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               "MetricSpec", "Instance",
             });
     internal_static_google_cloud_aiplatform_v1_PairwiseSummarizationQualityInstance_descriptor =
-        getDescriptor().getMessageType(42);
+        getDescriptor().getMessageType(54);
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             });
     internal_static_google_cloud_aiplatform_v1_PairwiseSummarizationQualitySpec_descriptor =
-        getDescriptor().getMessageType(43);
+        getDescriptor().getMessageType(55);
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               "UseReference", "Version",
             });
     internal_static_google_cloud_aiplatform_v1_PairwiseSummarizationQualityResult_descriptor =
-        getDescriptor().getMessageType(44);
+        getDescriptor().getMessageType(56);
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               "PairwiseChoice", "Explanation", "Confidence",
             });
     internal_static_google_cloud_aiplatform_v1_SummarizationHelpfulnessInput_descriptor =
-        getDescriptor().getMessageType(45);
+        getDescriptor().getMessageType(57);
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               "MetricSpec", "Instance",
             });
     internal_static_google_cloud_aiplatform_v1_SummarizationHelpfulnessInstance_descriptor =
-        getDescriptor().getMessageType(46);
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               "Prediction", "Reference", "Context", "Instruction",
             });
     internal_static_google_cloud_aiplatform_v1_SummarizationHelpfulnessSpec_descriptor =
-        getDescriptor().getMessageType(47);
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               "UseReference", "Version",
             });
     internal_static_google_cloud_aiplatform_v1_SummarizationHelpfulnessResult_descriptor =
-        getDescriptor().getMessageType(48);
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               "Score", "Explanation", "Confidence",
             });
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-        getDescriptor().getMessageType(49);
+        getDescriptor().getMessageType(61);
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               "MetricSpec", "Instance",
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-        getDescriptor().getMessageType(50);
+        getDescriptor().getMessageType(62);
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               "Prediction", "Reference", "Context", "Instruction",
             });
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-        getDescriptor().getMessageType(51);
+        getDescriptor().getMessageType(63);
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               "UseReference", "Version",
             });
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-        getDescriptor().getMessageType(52);
+        getDescriptor().getMessageType(64);
     internal_static_google_cloud_aiplatform_v1_SummarizationVerbosityResult_fieldAccessorTable =
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               "Score", "Explanation", "Confidence",
             });
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-        getDescriptor().getMessageType(53);
+        getDescriptor().getMessageType(65);
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringQualityInput_fieldAccessorTable =
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               "MetricSpec", "Instance",
             });
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-        getDescriptor().getMessageType(54);
+        getDescriptor().getMessageType(66);
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               "Prediction", "Reference", "Context", "Instruction",
             });
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringQualitySpec_descriptor =
-        getDescriptor().getMessageType(55);
+        getDescriptor().getMessageType(67);
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               "UseReference", "Version",
             });
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringQualityResult_descriptor =
-        getDescriptor().getMessageType(56);
+        getDescriptor().getMessageType(68);
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               "Score", "Explanation", "Confidence",
             });
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-        getDescriptor().getMessageType(57);
+        getDescriptor().getMessageType(69);
     internal_static_google_cloud_aiplatform_v1_PairwiseQuestionAnsweringQualityInput_fieldAccessorTable =
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               "MetricSpec", "Instance",
             });
     internal_static_google_cloud_aiplatform_v1_PairwiseQuestionAnsweringQualityInstance_descriptor =
-        getDescriptor().getMessageType(58);
+        getDescriptor().getMessageType(70);
     internal_static_google_cloud_aiplatform_v1_PairwiseQuestionAnsweringQualityInstance_fieldAccessorTable =
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             });
     internal_static_google_cloud_aiplatform_v1_PairwiseQuestionAnsweringQualitySpec_descriptor =
-        getDescriptor().getMessageType(59);
+        getDescriptor().getMessageType(71);
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               "UseReference", "Version",
             });
     internal_static_google_cloud_aiplatform_v1_PairwiseQuestionAnsweringQualityResult_descriptor =
-        getDescriptor().getMessageType(60);
+        getDescriptor().getMessageType(72);
     internal_static_google_cloud_aiplatform_v1_PairwiseQuestionAnsweringQualityResult_fieldAccessorTable =
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               "PairwiseChoice", "Explanation", "Confidence",
             });
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringRelevanceInput_descriptor =
-        getDescriptor().getMessageType(61);
+        getDescriptor().getMessageType(73);
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringRelevanceInput_fieldAccessorTable =
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               "MetricSpec", "Instance",
             });
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringRelevanceInstance_descriptor =
-        getDescriptor().getMessageType(62);
+        getDescriptor().getMessageType(74);
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               "Prediction", "Reference", "Context", "Instruction",
             });
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringRelevanceSpec_descriptor =
-        getDescriptor().getMessageType(63);
+        getDescriptor().getMessageType(75);
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               "UseReference", "Version",
             });
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringRelevanceResult_descriptor =
-        getDescriptor().getMessageType(64);
+        getDescriptor().getMessageType(76);
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringRelevanceResult_fieldAccessorTable =
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               "Score", "Explanation", "Confidence",
             });
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringHelpfulnessInput_descriptor =
-        getDescriptor().getMessageType(65);
+        getDescriptor().getMessageType(77);
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               "MetricSpec", "Instance",
             });
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringHelpfulnessInstance_descriptor =
-        getDescriptor().getMessageType(66);
+        getDescriptor().getMessageType(78);
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               "Prediction", "Reference", "Context", "Instruction",
             });
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringHelpfulnessSpec_descriptor =
-        getDescriptor().getMessageType(67);
+        getDescriptor().getMessageType(79);
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringHelpfulnessSpec_fieldAccessorTable =
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               "UseReference", "Version",
             });
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringHelpfulnessResult_descriptor =
-        getDescriptor().getMessageType(68);
+        getDescriptor().getMessageType(80);
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringHelpfulnessResult_fieldAccessorTable =
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               "Score", "Explanation", "Confidence",
             });
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringCorrectnessInput_descriptor =
-        getDescriptor().getMessageType(69);
+        getDescriptor().getMessageType(81);
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringCorrectnessInput_fieldAccessorTable =
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               "MetricSpec", "Instance",
             });
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringCorrectnessInstance_descriptor =
-        getDescriptor().getMessageType(70);
+        getDescriptor().getMessageType(82);
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               "Prediction", "Reference", "Context", "Instruction",
             });
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringCorrectnessSpec_descriptor =
-        getDescriptor().getMessageType(71);
+        getDescriptor().getMessageType(83);
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringCorrectnessSpec_fieldAccessorTable =
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               "UseReference", "Version",
             });
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringCorrectnessResult_descriptor =
-        getDescriptor().getMessageType(72);
+        getDescriptor().getMessageType(84);
     internal_static_google_cloud_aiplatform_v1_QuestionAnsweringCorrectnessResult_fieldAccessorTable =
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               "Score", "Explanation", "Confidence",
             });
     internal_static_google_cloud_aiplatform_v1_PointwiseMetricInput_descriptor =
-        getDescriptor().getMessageType(73);
+        getDescriptor().getMessageType(85);
     internal_static_google_cloud_aiplatform_v1_PointwiseMetricInput_fieldAccessorTable =
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               "MetricSpec", "Instance",
             });
     internal_static_google_cloud_aiplatform_v1_PointwiseMetricInstance_descriptor =
-        getDescriptor().getMessageType(74);
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         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_PointwiseMetricInstance_descriptor,
             new java.lang.String[] {
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     internal_static_google_cloud_aiplatform_v1_PointwiseMetricSpec_descriptor =
-        getDescriptor().getMessageType(75);
+        getDescriptor().getMessageType(87);
     internal_static_google_cloud_aiplatform_v1_PointwiseMetricSpec_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_PointwiseMetricSpec_descriptor,
             new java.lang.String[] {
-              "MetricPromptTemplate",
+              "MetricPromptTemplate", "SystemInstruction", "CustomOutputFormatConfig",
+            });
+    internal_static_google_cloud_aiplatform_v1_CustomOutputFormatConfig_descriptor =
+        getDescriptor().getMessageType(88);
+    internal_static_google_cloud_aiplatform_v1_CustomOutputFormatConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_CustomOutputFormatConfig_descriptor,
+            new java.lang.String[] {
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             });
     internal_static_google_cloud_aiplatform_v1_PointwiseMetricResult_descriptor =
-        getDescriptor().getMessageType(76);
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         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_PointwiseMetricResult_descriptor,
             new java.lang.String[] {
-              "Score", "Explanation",
+              "Score", "Explanation", "CustomOutput",
+            });
+    internal_static_google_cloud_aiplatform_v1_CustomOutput_descriptor =
+        getDescriptor().getMessageType(90);
+    internal_static_google_cloud_aiplatform_v1_CustomOutput_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_CustomOutput_descriptor,
+            new java.lang.String[] {
+              "RawOutputs", "CustomOutput",
+            });
+    internal_static_google_cloud_aiplatform_v1_RawOutput_descriptor =
+        getDescriptor().getMessageType(91);
+    internal_static_google_cloud_aiplatform_v1_RawOutput_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_RawOutput_descriptor,
+            new java.lang.String[] {
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             });
     internal_static_google_cloud_aiplatform_v1_PairwiseMetricInput_descriptor =
-        getDescriptor().getMessageType(77);
+        getDescriptor().getMessageType(92);
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               "MetricSpec", "Instance",
             });
     internal_static_google_cloud_aiplatform_v1_PairwiseMetricInstance_descriptor =
-        getDescriptor().getMessageType(78);
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         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_PairwiseMetricInstance_descriptor,
             new java.lang.String[] {
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             });
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-        getDescriptor().getMessageType(79);
+        getDescriptor().getMessageType(94);
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         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_PairwiseMetricSpec_descriptor,
             new java.lang.String[] {
               "MetricPromptTemplate",
+              "CandidateResponseFieldName",
+              "BaselineResponseFieldName",
+              "SystemInstruction",
+              "CustomOutputFormatConfig",
             });
     internal_static_google_cloud_aiplatform_v1_PairwiseMetricResult_descriptor =
-        getDescriptor().getMessageType(80);
+        getDescriptor().getMessageType(95);
     internal_static_google_cloud_aiplatform_v1_PairwiseMetricResult_fieldAccessorTable =
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             internal_static_google_cloud_aiplatform_v1_PairwiseMetricResult_descriptor,
             new java.lang.String[] {
-              "PairwiseChoice", "Explanation",
+              "PairwiseChoice", "Explanation", "CustomOutput",
             });
     internal_static_google_cloud_aiplatform_v1_ToolCallValidInput_descriptor =
-        getDescriptor().getMessageType(81);
+        getDescriptor().getMessageType(96);
     internal_static_google_cloud_aiplatform_v1_ToolCallValidInput_fieldAccessorTable =
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               "MetricSpec", "Instances",
             });
     internal_static_google_cloud_aiplatform_v1_ToolCallValidSpec_descriptor =
-        getDescriptor().getMessageType(82);
+        getDescriptor().getMessageType(97);
     internal_static_google_cloud_aiplatform_v1_ToolCallValidSpec_fieldAccessorTable =
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             new java.lang.String[] {});
     internal_static_google_cloud_aiplatform_v1_ToolCallValidInstance_descriptor =
-        getDescriptor().getMessageType(83);
+        getDescriptor().getMessageType(98);
     internal_static_google_cloud_aiplatform_v1_ToolCallValidInstance_fieldAccessorTable =
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               "Prediction", "Reference",
             });
     internal_static_google_cloud_aiplatform_v1_ToolCallValidResults_descriptor =
-        getDescriptor().getMessageType(84);
+        getDescriptor().getMessageType(99);
     internal_static_google_cloud_aiplatform_v1_ToolCallValidResults_fieldAccessorTable =
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               "ToolCallValidMetricValues",
             });
     internal_static_google_cloud_aiplatform_v1_ToolCallValidMetricValue_descriptor =
-        getDescriptor().getMessageType(85);
+        getDescriptor().getMessageType(100);
     internal_static_google_cloud_aiplatform_v1_ToolCallValidMetricValue_fieldAccessorTable =
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               "Score",
             });
     internal_static_google_cloud_aiplatform_v1_ToolNameMatchInput_descriptor =
-        getDescriptor().getMessageType(86);
+        getDescriptor().getMessageType(101);
     internal_static_google_cloud_aiplatform_v1_ToolNameMatchInput_fieldAccessorTable =
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               "MetricSpec", "Instances",
             });
     internal_static_google_cloud_aiplatform_v1_ToolNameMatchSpec_descriptor =
-        getDescriptor().getMessageType(87);
+        getDescriptor().getMessageType(102);
     internal_static_google_cloud_aiplatform_v1_ToolNameMatchSpec_fieldAccessorTable =
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-        getDescriptor().getMessageType(88);
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               "Prediction", "Reference",
             });
     internal_static_google_cloud_aiplatform_v1_ToolNameMatchResults_descriptor =
-        getDescriptor().getMessageType(89);
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               "ToolNameMatchMetricValues",
             });
     internal_static_google_cloud_aiplatform_v1_ToolNameMatchMetricValue_descriptor =
-        getDescriptor().getMessageType(90);
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               "Score",
             });
     internal_static_google_cloud_aiplatform_v1_ToolParameterKeyMatchInput_descriptor =
-        getDescriptor().getMessageType(91);
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               "MetricSpec", "Instances",
             });
     internal_static_google_cloud_aiplatform_v1_ToolParameterKeyMatchSpec_descriptor =
-        getDescriptor().getMessageType(92);
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-        getDescriptor().getMessageType(93);
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               "Prediction", "Reference",
             });
     internal_static_google_cloud_aiplatform_v1_ToolParameterKeyMatchResults_descriptor =
-        getDescriptor().getMessageType(94);
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               "ToolParameterKeyMatchMetricValues",
             });
     internal_static_google_cloud_aiplatform_v1_ToolParameterKeyMatchMetricValue_descriptor =
-        getDescriptor().getMessageType(95);
+        getDescriptor().getMessageType(110);
     internal_static_google_cloud_aiplatform_v1_ToolParameterKeyMatchMetricValue_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_ToolParameterKeyMatchMetricValue_descriptor,
@@ -1931,7 +2305,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Score",
             });
     internal_static_google_cloud_aiplatform_v1_ToolParameterKVMatchInput_descriptor =
-        getDescriptor().getMessageType(96);
+        getDescriptor().getMessageType(111);
     internal_static_google_cloud_aiplatform_v1_ToolParameterKVMatchInput_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_ToolParameterKVMatchInput_descriptor,
@@ -1939,7 +2313,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "MetricSpec", "Instances",
             });
     internal_static_google_cloud_aiplatform_v1_ToolParameterKVMatchSpec_descriptor =
-        getDescriptor().getMessageType(97);
+        getDescriptor().getMessageType(112);
     internal_static_google_cloud_aiplatform_v1_ToolParameterKVMatchSpec_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_ToolParameterKVMatchSpec_descriptor,
@@ -1947,7 +2321,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "UseStrictStringMatch",
             });
     internal_static_google_cloud_aiplatform_v1_ToolParameterKVMatchInstance_descriptor =
-        getDescriptor().getMessageType(98);
+        getDescriptor().getMessageType(113);
     internal_static_google_cloud_aiplatform_v1_ToolParameterKVMatchInstance_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_ToolParameterKVMatchInstance_descriptor,
@@ -1955,7 +2329,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Prediction", "Reference",
             });
     internal_static_google_cloud_aiplatform_v1_ToolParameterKVMatchResults_descriptor =
-        getDescriptor().getMessageType(99);
+        getDescriptor().getMessageType(114);
     internal_static_google_cloud_aiplatform_v1_ToolParameterKVMatchResults_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_ToolParameterKVMatchResults_descriptor,
@@ -1963,7 +2337,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "ToolParameterKvMatchMetricValues",
             });
     internal_static_google_cloud_aiplatform_v1_ToolParameterKVMatchMetricValue_descriptor =
-        getDescriptor().getMessageType(100);
+        getDescriptor().getMessageType(115);
     internal_static_google_cloud_aiplatform_v1_ToolParameterKVMatchMetricValue_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_ToolParameterKVMatchMetricValue_descriptor,
@@ -1971,7 +2345,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Score",
             });
     internal_static_google_cloud_aiplatform_v1_CometInput_descriptor =
-        getDescriptor().getMessageType(101);
+        getDescriptor().getMessageType(116);
     internal_static_google_cloud_aiplatform_v1_CometInput_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_CometInput_descriptor,
@@ -1979,7 +2353,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "MetricSpec", "Instance",
             });
     internal_static_google_cloud_aiplatform_v1_CometSpec_descriptor =
-        getDescriptor().getMessageType(102);
+        getDescriptor().getMessageType(117);
     internal_static_google_cloud_aiplatform_v1_CometSpec_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_CometSpec_descriptor,
@@ -1987,7 +2361,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Version", "SourceLanguage", "TargetLanguage",
             });
     internal_static_google_cloud_aiplatform_v1_CometInstance_descriptor =
-        getDescriptor().getMessageType(103);
+        getDescriptor().getMessageType(118);
     internal_static_google_cloud_aiplatform_v1_CometInstance_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_CometInstance_descriptor,
@@ -1995,7 +2369,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Prediction", "Reference", "Source",
             });
     internal_static_google_cloud_aiplatform_v1_CometResult_descriptor =
-        getDescriptor().getMessageType(104);
+        getDescriptor().getMessageType(119);
     internal_static_google_cloud_aiplatform_v1_CometResult_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_CometResult_descriptor,
@@ -2003,7 +2377,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Score",
             });
     internal_static_google_cloud_aiplatform_v1_MetricxInput_descriptor =
-        getDescriptor().getMessageType(105);
+        getDescriptor().getMessageType(120);
     internal_static_google_cloud_aiplatform_v1_MetricxInput_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_MetricxInput_descriptor,
@@ -2011,7 +2385,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "MetricSpec", "Instance",
             });
     internal_static_google_cloud_aiplatform_v1_MetricxSpec_descriptor =
-        getDescriptor().getMessageType(106);
+        getDescriptor().getMessageType(121);
     internal_static_google_cloud_aiplatform_v1_MetricxSpec_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_MetricxSpec_descriptor,
@@ -2019,7 +2393,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Version", "SourceLanguage", "TargetLanguage",
             });
     internal_static_google_cloud_aiplatform_v1_MetricxInstance_descriptor =
-        getDescriptor().getMessageType(107);
+        getDescriptor().getMessageType(122);
     internal_static_google_cloud_aiplatform_v1_MetricxInstance_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_MetricxInstance_descriptor,
@@ -2027,18 +2401,46 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Prediction", "Reference", "Source",
             });
     internal_static_google_cloud_aiplatform_v1_MetricxResult_descriptor =
-        getDescriptor().getMessageType(108);
+        getDescriptor().getMessageType(123);
     internal_static_google_cloud_aiplatform_v1_MetricxResult_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_MetricxResult_descriptor,
             new java.lang.String[] {
               "Score",
             });
+    internal_static_google_cloud_aiplatform_v1_ContentMap_descriptor =
+        getDescriptor().getMessageType(124);
+    internal_static_google_cloud_aiplatform_v1_ContentMap_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_ContentMap_descriptor,
+            new java.lang.String[] {
+              "Values",
+            });
+    internal_static_google_cloud_aiplatform_v1_ContentMap_Contents_descriptor =
+        internal_static_google_cloud_aiplatform_v1_ContentMap_descriptor.getNestedType(0);
+    internal_static_google_cloud_aiplatform_v1_ContentMap_Contents_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_ContentMap_Contents_descriptor,
+            new java.lang.String[] {
+              "Contents",
+            });
+    internal_static_google_cloud_aiplatform_v1_ContentMap_ValuesEntry_descriptor =
+        internal_static_google_cloud_aiplatform_v1_ContentMap_descriptor.getNestedType(1);
+    internal_static_google_cloud_aiplatform_v1_ContentMap_ValuesEntry_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_ContentMap_ValuesEntry_descriptor,
+            new java.lang.String[] {
+              "Key", "Value",
+            });
     descriptor.resolveAllFeaturesImmutable();
     com.google.api.AnnotationsProto.getDescriptor();
     com.google.api.ClientProto.getDescriptor();
     com.google.api.FieldBehaviorProto.getDescriptor();
     com.google.api.ResourceProto.getDescriptor();
+    com.google.cloud.aiplatform.v1.ContentProto.getDescriptor();
+    com.google.cloud.aiplatform.v1.IoProto.getDescriptor();
+    com.google.protobuf.StructProto.getDescriptor();
+    com.google.rpc.StatusProto.getDescriptor();
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.ClientProto.defaultHost);
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/LLMBasedMetricSpec.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/LLMBasedMetricSpec.java
new file mode 100644
index 000000000000..7536754f3b6a
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/LLMBasedMetricSpec.java
@@ -0,0 +1,2164 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Specification for an LLM based metric.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.aiplatform.v1.LLMBasedMetricSpec}
+ */
+@com.google.protobuf.Generated
+public final class LLMBasedMetricSpec extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.aiplatform.v1.LLMBasedMetricSpec)
+    LLMBasedMetricSpecOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "LLMBasedMetricSpec");
+  }
+
+  // Use LLMBasedMetricSpec.newBuilder() to construct.
+  private LLMBasedMetricSpec(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private LLMBasedMetricSpec() {
+    metricPromptTemplate_ = "";
+    systemInstruction_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_LLMBasedMetricSpec_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_LLMBasedMetricSpec_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.aiplatform.v1.LLMBasedMetricSpec.class,
+            com.google.cloud.aiplatform.v1.LLMBasedMetricSpec.Builder.class);
+  }
+
+  private int bitField0_;
+  private int rubricsSourceCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object rubricsSource_;
+
+  public enum RubricsSourceCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    RUBRIC_GROUP_KEY(4),
+    PREDEFINED_RUBRIC_GENERATION_SPEC(6),
+    RUBRICSSOURCE_NOT_SET(0);
+    private final int value;
+
+    private RubricsSourceCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static RubricsSourceCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static RubricsSourceCase forNumber(int value) {
+      switch (value) {
+        case 4:
+          return RUBRIC_GROUP_KEY;
+        case 6:
+          return PREDEFINED_RUBRIC_GENERATION_SPEC;
+        case 0:
+          return RUBRICSSOURCE_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public RubricsSourceCase getRubricsSourceCase() {
+    return RubricsSourceCase.forNumber(rubricsSourceCase_);
+  }
+
+  public static final int RUBRIC_GROUP_KEY_FIELD_NUMBER = 4;
+
+  /**
+   *
+   *
+   * <pre>
+   * Use a pre-defined group of rubrics associated with the input.
+   * Refers to a key in the rubric_groups map of EvaluationInstance.
+   * </pre>
+   *
+   * <code>string rubric_group_key = 4;</code>
+   *
+   * @return Whether the rubricGroupKey field is set.
+   */
+  public boolean hasRubricGroupKey() {
+    return rubricsSourceCase_ == 4;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Use a pre-defined group of rubrics associated with the input.
+   * Refers to a key in the rubric_groups map of EvaluationInstance.
+   * </pre>
+   *
+   * <code>string rubric_group_key = 4;</code>
+   *
+   * @return The rubricGroupKey.
+   */
+  public java.lang.String getRubricGroupKey() {
+    java.lang.Object ref = "";
+    if (rubricsSourceCase_ == 4) {
+      ref = rubricsSource_;
+    }
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      if (rubricsSourceCase_ == 4) {
+        rubricsSource_ = s;
+      }
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Use a pre-defined group of rubrics associated with the input.
+   * Refers to a key in the rubric_groups map of EvaluationInstance.
+   * </pre>
+   *
+   * <code>string rubric_group_key = 4;</code>
+   *
+   * @return The bytes for rubricGroupKey.
+   */
+  public com.google.protobuf.ByteString getRubricGroupKeyBytes() {
+    java.lang.Object ref = "";
+    if (rubricsSourceCase_ == 4) {
+      ref = rubricsSource_;
+    }
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      if (rubricsSourceCase_ == 4) {
+        rubricsSource_ = b;
+      }
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int PREDEFINED_RUBRIC_GENERATION_SPEC_FIELD_NUMBER = 6;
+
+  /**
+   *
+   *
+   * <pre>
+   * Dynamically generate rubrics using a predefined spec.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_rubric_generation_spec = 6;
+   * </code>
+   *
+   * @return Whether the predefinedRubricGenerationSpec field is set.
+   */
+  @java.lang.Override
+  public boolean hasPredefinedRubricGenerationSpec() {
+    return rubricsSourceCase_ == 6;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Dynamically generate rubrics using a predefined spec.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_rubric_generation_spec = 6;
+   * </code>
+   *
+   * @return The predefinedRubricGenerationSpec.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.PredefinedMetricSpec getPredefinedRubricGenerationSpec() {
+    if (rubricsSourceCase_ == 6) {
+      return (com.google.cloud.aiplatform.v1.PredefinedMetricSpec) rubricsSource_;
+    }
+    return com.google.cloud.aiplatform.v1.PredefinedMetricSpec.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Dynamically generate rubrics using a predefined spec.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_rubric_generation_spec = 6;
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.PredefinedMetricSpecOrBuilder
+      getPredefinedRubricGenerationSpecOrBuilder() {
+    if (rubricsSourceCase_ == 6) {
+      return (com.google.cloud.aiplatform.v1.PredefinedMetricSpec) rubricsSource_;
+    }
+    return com.google.cloud.aiplatform.v1.PredefinedMetricSpec.getDefaultInstance();
+  }
+
+  public static final int METRIC_PROMPT_TEMPLATE_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object metricPromptTemplate_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Template for the prompt sent to the judge model.
+   * </pre>
+   *
+   * <code>optional string metric_prompt_template = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return Whether the metricPromptTemplate field is set.
+   */
+  @java.lang.Override
+  public boolean hasMetricPromptTemplate() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Template for the prompt sent to the judge model.
+   * </pre>
+   *
+   * <code>optional string metric_prompt_template = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The metricPromptTemplate.
+   */
+  @java.lang.Override
+  public java.lang.String getMetricPromptTemplate() {
+    java.lang.Object ref = metricPromptTemplate_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      metricPromptTemplate_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Template for the prompt sent to the judge model.
+   * </pre>
+   *
+   * <code>optional string metric_prompt_template = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The bytes for metricPromptTemplate.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getMetricPromptTemplateBytes() {
+    java.lang.Object ref = metricPromptTemplate_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      metricPromptTemplate_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int SYSTEM_INSTRUCTION_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object systemInstruction_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. System instructions for the judge model.
+   * </pre>
+   *
+   * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the systemInstruction field is set.
+   */
+  @java.lang.Override
+  public boolean hasSystemInstruction() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. System instructions for the judge model.
+   * </pre>
+   *
+   * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The systemInstruction.
+   */
+  @java.lang.Override
+  public java.lang.String getSystemInstruction() {
+    java.lang.Object ref = systemInstruction_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      systemInstruction_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. System instructions for the judge model.
+   * </pre>
+   *
+   * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for systemInstruction.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getSystemInstructionBytes() {
+    java.lang.Object ref = systemInstruction_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      systemInstruction_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int JUDGE_AUTORATER_CONFIG_FIELD_NUMBER = 3;
+  private com.google.cloud.aiplatform.v1.AutoraterConfig judgeAutoraterConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Optional configuration for the judge LLM (Autorater).
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.aiplatform.v1.AutoraterConfig judge_autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the judgeAutoraterConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasJudgeAutoraterConfig() {
+    return ((bitField0_ & 0x00000004) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Optional configuration for the judge LLM (Autorater).
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.aiplatform.v1.AutoraterConfig judge_autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The judgeAutoraterConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.AutoraterConfig getJudgeAutoraterConfig() {
+    return judgeAutoraterConfig_ == null
+        ? com.google.cloud.aiplatform.v1.AutoraterConfig.getDefaultInstance()
+        : judgeAutoraterConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Optional configuration for the judge LLM (Autorater).
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.aiplatform.v1.AutoraterConfig judge_autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.AutoraterConfigOrBuilder
+      getJudgeAutoraterConfigOrBuilder() {
+    return judgeAutoraterConfig_ == null
+        ? com.google.cloud.aiplatform.v1.AutoraterConfig.getDefaultInstance()
+        : judgeAutoraterConfig_;
+  }
+
+  public static final int ADDITIONAL_CONFIG_FIELD_NUMBER = 7;
+  private com.google.protobuf.Struct additionalConfig_;
+
+  /**
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+   * </pre>
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+  /**
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+   * <pre>
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+   * </pre>
+   *
+   * <code>
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+   * </code>
+   *
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+   */
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+  }
+
+  /**
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+   *
+   * <pre>
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+   * </pre>
+   *
+   * <code>
+   * optional .google.protobuf.Struct additional_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
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+    size += getUnknownFields().getSerializedSize();
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+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
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+        break;
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+        hash = (53 * hash) + getPredefinedRubricGenerationSpec().hashCode();
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+      default:
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+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
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+
+  public static com.google.cloud.aiplatform.v1.LLMBasedMetricSpec parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.LLMBasedMetricSpec parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.LLMBasedMetricSpec parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.LLMBasedMetricSpec parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.LLMBasedMetricSpec parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.LLMBasedMetricSpec parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.LLMBasedMetricSpec parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.LLMBasedMetricSpec parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.LLMBasedMetricSpec parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.LLMBasedMetricSpec parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.LLMBasedMetricSpec parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.LLMBasedMetricSpec parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.aiplatform.v1.LLMBasedMetricSpec prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specification for an LLM based metric.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.aiplatform.v1.LLMBasedMetricSpec}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.aiplatform.v1.LLMBasedMetricSpec)
+      com.google.cloud.aiplatform.v1.LLMBasedMetricSpecOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_LLMBasedMetricSpec_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
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+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
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+    }
+
+    // Construct using com.google.cloud.aiplatform.v1.LLMBasedMetricSpec.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetJudgeAutoraterConfigFieldBuilder();
+        internalGetAdditionalConfigFieldBuilder();
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+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (predefinedRubricGenerationSpecBuilder_ != null) {
+        predefinedRubricGenerationSpecBuilder_.clear();
+      }
+      metricPromptTemplate_ = "";
+      systemInstruction_ = "";
+      judgeAutoraterConfig_ = null;
+      if (judgeAutoraterConfigBuilder_ != null) {
+        judgeAutoraterConfigBuilder_.dispose();
+        judgeAutoraterConfigBuilder_ = null;
+      }
+      additionalConfig_ = null;
+      if (additionalConfigBuilder_ != null) {
+        additionalConfigBuilder_.dispose();
+        additionalConfigBuilder_ = null;
+      }
+      rubricsSourceCase_ = 0;
+      rubricsSource_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_LLMBasedMetricSpec_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.LLMBasedMetricSpec getDefaultInstanceForType() {
+      return com.google.cloud.aiplatform.v1.LLMBasedMetricSpec.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.LLMBasedMetricSpec build() {
+      com.google.cloud.aiplatform.v1.LLMBasedMetricSpec result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.LLMBasedMetricSpec buildPartial() {
+      com.google.cloud.aiplatform.v1.LLMBasedMetricSpec result =
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+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
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+      int to_bitField0_ = 0;
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+      result.bitField0_ |= to_bitField0_;
+    }
+
+    private void buildPartialOneofs(com.google.cloud.aiplatform.v1.LLMBasedMetricSpec result) {
+      result.rubricsSourceCase_ = rubricsSourceCase_;
+      result.rubricsSource_ = this.rubricsSource_;
+      if (rubricsSourceCase_ == 6 && predefinedRubricGenerationSpecBuilder_ != null) {
+        result.rubricsSource_ = predefinedRubricGenerationSpecBuilder_.build();
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.aiplatform.v1.LLMBasedMetricSpec) {
+        return mergeFrom((com.google.cloud.aiplatform.v1.LLMBasedMetricSpec) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.aiplatform.v1.LLMBasedMetricSpec other) {
+      if (other == com.google.cloud.aiplatform.v1.LLMBasedMetricSpec.getDefaultInstance())
+        return this;
+      if (other.hasMetricPromptTemplate()) {
+        metricPromptTemplate_ = other.metricPromptTemplate_;
+        bitField0_ |= 0x00000004;
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+      if (other.hasSystemInstruction()) {
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+        bitField0_ |= 0x00000008;
+        onChanged();
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+      if (other.hasJudgeAutoraterConfig()) {
+        mergeJudgeAutoraterConfig(other.getJudgeAutoraterConfig());
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+      if (other.hasAdditionalConfig()) {
+        mergeAdditionalConfig(other.getAdditionalConfig());
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+      switch (other.getRubricsSourceCase()) {
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+            rubricsSource_ = other.rubricsSource_;
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+            break;
+          }
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+            break;
+          }
+        case RUBRICSSOURCE_NOT_SET:
+          {
+            break;
+          }
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+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
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+        while (!done) {
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+              done = true;
+              break;
+            case 10:
+              {
+                metricPromptTemplate_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000004;
+                break;
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+            case 18:
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+                systemInstruction_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000008;
+                break;
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+            case 26:
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+                break;
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+                break;
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+                break;
+              } // case 58
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+                break;
+              } // default:
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+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
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+    public Builder clearRubricsSource() {
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+      rubricsSource_ = null;
+      onChanged();
+      return this;
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+
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+
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+     *
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+    @java.lang.Override
+    public boolean hasRubricGroupKey() {
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+
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+     * Refers to a key in the rubric_groups map of EvaluationInstance.
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+      if (rubricsSourceCase_ == 4) {
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+        java.lang.String s = bs.toStringUtf8();
+        if (rubricsSourceCase_ == 4) {
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+        return s;
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+    /**
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+     * <pre>
+     * Use a pre-defined group of rubrics associated with the input.
+     * Refers to a key in the rubric_groups map of EvaluationInstance.
+     * </pre>
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+    public com.google.protobuf.ByteString getRubricGroupKeyBytes() {
+      java.lang.Object ref = "";
+      if (rubricsSourceCase_ == 4) {
+        ref = rubricsSource_;
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+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        if (rubricsSourceCase_ == 4) {
+          rubricsSource_ = b;
+        }
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Use a pre-defined group of rubrics associated with the input.
+     * Refers to a key in the rubric_groups map of EvaluationInstance.
+     * </pre>
+     *
+     * <code>string rubric_group_key = 4;</code>
+     *
+     * @param value The rubricGroupKey to set.
+     * @return This builder for chaining.
+     */
+    public Builder setRubricGroupKey(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      rubricsSourceCase_ = 4;
+      rubricsSource_ = value;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Use a pre-defined group of rubrics associated with the input.
+     * Refers to a key in the rubric_groups map of EvaluationInstance.
+     * </pre>
+     *
+     * <code>string rubric_group_key = 4;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearRubricGroupKey() {
+      if (rubricsSourceCase_ == 4) {
+        rubricsSourceCase_ = 0;
+        rubricsSource_ = null;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Use a pre-defined group of rubrics associated with the input.
+     * Refers to a key in the rubric_groups map of EvaluationInstance.
+     * </pre>
+     *
+     * <code>string rubric_group_key = 4;</code>
+     *
+     * @param value The bytes for rubricGroupKey to set.
+     * @return This builder for chaining.
+     */
+    public Builder setRubricGroupKeyBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      rubricsSourceCase_ = 4;
+      rubricsSource_ = value;
+      onChanged();
+      return this;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.PredefinedMetricSpec,
+            com.google.cloud.aiplatform.v1.PredefinedMetricSpec.Builder,
+            com.google.cloud.aiplatform.v1.PredefinedMetricSpecOrBuilder>
+        predefinedRubricGenerationSpecBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Dynamically generate rubrics using a predefined spec.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_rubric_generation_spec = 6;
+     * </code>
+     *
+     * @return Whether the predefinedRubricGenerationSpec field is set.
+     */
+    @java.lang.Override
+    public boolean hasPredefinedRubricGenerationSpec() {
+      return rubricsSourceCase_ == 6;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Dynamically generate rubrics using a predefined spec.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_rubric_generation_spec = 6;
+     * </code>
+     *
+     * @return The predefinedRubricGenerationSpec.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.PredefinedMetricSpec getPredefinedRubricGenerationSpec() {
+      if (predefinedRubricGenerationSpecBuilder_ == null) {
+        if (rubricsSourceCase_ == 6) {
+          return (com.google.cloud.aiplatform.v1.PredefinedMetricSpec) rubricsSource_;
+        }
+        return com.google.cloud.aiplatform.v1.PredefinedMetricSpec.getDefaultInstance();
+      } else {
+        if (rubricsSourceCase_ == 6) {
+          return predefinedRubricGenerationSpecBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.PredefinedMetricSpec.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Dynamically generate rubrics using a predefined spec.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_rubric_generation_spec = 6;
+     * </code>
+     */
+    public Builder setPredefinedRubricGenerationSpec(
+        com.google.cloud.aiplatform.v1.PredefinedMetricSpec value) {
+      if (predefinedRubricGenerationSpecBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        rubricsSource_ = value;
+        onChanged();
+      } else {
+        predefinedRubricGenerationSpecBuilder_.setMessage(value);
+      }
+      rubricsSourceCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Dynamically generate rubrics using a predefined spec.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_rubric_generation_spec = 6;
+     * </code>
+     */
+    public Builder setPredefinedRubricGenerationSpec(
+        com.google.cloud.aiplatform.v1.PredefinedMetricSpec.Builder builderForValue) {
+      if (predefinedRubricGenerationSpecBuilder_ == null) {
+        rubricsSource_ = builderForValue.build();
+        onChanged();
+      } else {
+        predefinedRubricGenerationSpecBuilder_.setMessage(builderForValue.build());
+      }
+      rubricsSourceCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Dynamically generate rubrics using a predefined spec.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_rubric_generation_spec = 6;
+     * </code>
+     */
+    public Builder mergePredefinedRubricGenerationSpec(
+        com.google.cloud.aiplatform.v1.PredefinedMetricSpec value) {
+      if (predefinedRubricGenerationSpecBuilder_ == null) {
+        if (rubricsSourceCase_ == 6
+            && rubricsSource_
+                != com.google.cloud.aiplatform.v1.PredefinedMetricSpec.getDefaultInstance()) {
+          rubricsSource_ =
+              com.google.cloud.aiplatform.v1.PredefinedMetricSpec.newBuilder(
+                      (com.google.cloud.aiplatform.v1.PredefinedMetricSpec) rubricsSource_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          rubricsSource_ = value;
+        }
+        onChanged();
+      } else {
+        if (rubricsSourceCase_ == 6) {
+          predefinedRubricGenerationSpecBuilder_.mergeFrom(value);
+        } else {
+          predefinedRubricGenerationSpecBuilder_.setMessage(value);
+        }
+      }
+      rubricsSourceCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Dynamically generate rubrics using a predefined spec.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_rubric_generation_spec = 6;
+     * </code>
+     */
+    public Builder clearPredefinedRubricGenerationSpec() {
+      if (predefinedRubricGenerationSpecBuilder_ == null) {
+        if (rubricsSourceCase_ == 6) {
+          rubricsSourceCase_ = 0;
+          rubricsSource_ = null;
+          onChanged();
+        }
+      } else {
+        if (rubricsSourceCase_ == 6) {
+          rubricsSourceCase_ = 0;
+          rubricsSource_ = null;
+        }
+        predefinedRubricGenerationSpecBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Dynamically generate rubrics using a predefined spec.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_rubric_generation_spec = 6;
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.PredefinedMetricSpec.Builder
+        getPredefinedRubricGenerationSpecBuilder() {
+      return internalGetPredefinedRubricGenerationSpecFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Dynamically generate rubrics using a predefined spec.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_rubric_generation_spec = 6;
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.PredefinedMetricSpecOrBuilder
+        getPredefinedRubricGenerationSpecOrBuilder() {
+      if ((rubricsSourceCase_ == 6) && (predefinedRubricGenerationSpecBuilder_ != null)) {
+        return predefinedRubricGenerationSpecBuilder_.getMessageOrBuilder();
+      } else {
+        if (rubricsSourceCase_ == 6) {
+          return (com.google.cloud.aiplatform.v1.PredefinedMetricSpec) rubricsSource_;
+        }
+        return com.google.cloud.aiplatform.v1.PredefinedMetricSpec.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Dynamically generate rubrics using a predefined spec.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_rubric_generation_spec = 6;
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.PredefinedMetricSpec,
+            com.google.cloud.aiplatform.v1.PredefinedMetricSpec.Builder,
+            com.google.cloud.aiplatform.v1.PredefinedMetricSpecOrBuilder>
+        internalGetPredefinedRubricGenerationSpecFieldBuilder() {
+      if (predefinedRubricGenerationSpecBuilder_ == null) {
+        if (!(rubricsSourceCase_ == 6)) {
+          rubricsSource_ = com.google.cloud.aiplatform.v1.PredefinedMetricSpec.getDefaultInstance();
+        }
+        predefinedRubricGenerationSpecBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.PredefinedMetricSpec,
+                com.google.cloud.aiplatform.v1.PredefinedMetricSpec.Builder,
+                com.google.cloud.aiplatform.v1.PredefinedMetricSpecOrBuilder>(
+                (com.google.cloud.aiplatform.v1.PredefinedMetricSpec) rubricsSource_,
+                getParentForChildren(),
+                isClean());
+        rubricsSource_ = null;
+      }
+      rubricsSourceCase_ = 6;
+      onChanged();
+      return predefinedRubricGenerationSpecBuilder_;
+    }
+
+    private java.lang.Object metricPromptTemplate_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Template for the prompt sent to the judge model.
+     * </pre>
+     *
+     * <code>optional string metric_prompt_template = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return Whether the metricPromptTemplate field is set.
+     */
+    public boolean hasMetricPromptTemplate() {
+      return ((bitField0_ & 0x00000004) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Template for the prompt sent to the judge model.
+     * </pre>
+     *
+     * <code>optional string metric_prompt_template = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return The metricPromptTemplate.
+     */
+    public java.lang.String getMetricPromptTemplate() {
+      java.lang.Object ref = metricPromptTemplate_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        metricPromptTemplate_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Template for the prompt sent to the judge model.
+     * </pre>
+     *
+     * <code>optional string metric_prompt_template = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return The bytes for metricPromptTemplate.
+     */
+    public com.google.protobuf.ByteString getMetricPromptTemplateBytes() {
+      java.lang.Object ref = metricPromptTemplate_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        metricPromptTemplate_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Template for the prompt sent to the judge model.
+     * </pre>
+     *
+     * <code>optional string metric_prompt_template = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @param value The metricPromptTemplate to set.
+     * @return This builder for chaining.
+     */
+    public Builder setMetricPromptTemplate(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      metricPromptTemplate_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Template for the prompt sent to the judge model.
+     * </pre>
+     *
+     * <code>optional string metric_prompt_template = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearMetricPromptTemplate() {
+      metricPromptTemplate_ = getDefaultInstance().getMetricPromptTemplate();
+      bitField0_ = (bitField0_ & ~0x00000004);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Template for the prompt sent to the judge model.
+     * </pre>
+     *
+     * <code>optional string metric_prompt_template = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @param value The bytes for metricPromptTemplate to set.
+     * @return This builder for chaining.
+     */
+    public Builder setMetricPromptTemplateBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      metricPromptTemplate_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object systemInstruction_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. System instructions for the judge model.
+     * </pre>
+     *
+     * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the systemInstruction field is set.
+     */
+    public boolean hasSystemInstruction() {
+      return ((bitField0_ & 0x00000008) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. System instructions for the judge model.
+     * </pre>
+     *
+     * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The systemInstruction.
+     */
+    public java.lang.String getSystemInstruction() {
+      java.lang.Object ref = systemInstruction_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        systemInstruction_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. System instructions for the judge model.
+     * </pre>
+     *
+     * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The bytes for systemInstruction.
+     */
+    public com.google.protobuf.ByteString getSystemInstructionBytes() {
+      java.lang.Object ref = systemInstruction_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        systemInstruction_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. System instructions for the judge model.
+     * </pre>
+     *
+     * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The systemInstruction to set.
+     * @return This builder for chaining.
+     */
+    public Builder setSystemInstruction(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      systemInstruction_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. System instructions for the judge model.
+     * </pre>
+     *
+     * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearSystemInstruction() {
+      systemInstruction_ = getDefaultInstance().getSystemInstruction();
+      bitField0_ = (bitField0_ & ~0x00000008);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. System instructions for the judge model.
+     * </pre>
+     *
+     * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The bytes for systemInstruction to set.
+     * @return This builder for chaining.
+     */
+    public Builder setSystemInstructionBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      systemInstruction_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    private com.google.cloud.aiplatform.v1.AutoraterConfig judgeAutoraterConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.AutoraterConfig,
+            com.google.cloud.aiplatform.v1.AutoraterConfig.Builder,
+            com.google.cloud.aiplatform.v1.AutoraterConfigOrBuilder>
+        judgeAutoraterConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional configuration for the judge LLM (Autorater).
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.aiplatform.v1.AutoraterConfig judge_autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the judgeAutoraterConfig field is set.
+     */
+    public boolean hasJudgeAutoraterConfig() {
+      return ((bitField0_ & 0x00000010) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional configuration for the judge LLM (Autorater).
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.aiplatform.v1.AutoraterConfig judge_autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The judgeAutoraterConfig.
+     */
+    public com.google.cloud.aiplatform.v1.AutoraterConfig getJudgeAutoraterConfig() {
+      if (judgeAutoraterConfigBuilder_ == null) {
+        return judgeAutoraterConfig_ == null
+            ? com.google.cloud.aiplatform.v1.AutoraterConfig.getDefaultInstance()
+            : judgeAutoraterConfig_;
+      } else {
+        return judgeAutoraterConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional configuration for the judge LLM (Autorater).
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.aiplatform.v1.AutoraterConfig judge_autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setJudgeAutoraterConfig(com.google.cloud.aiplatform.v1.AutoraterConfig value) {
+      if (judgeAutoraterConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        judgeAutoraterConfig_ = value;
+      } else {
+        judgeAutoraterConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional configuration for the judge LLM (Autorater).
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.aiplatform.v1.AutoraterConfig judge_autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setJudgeAutoraterConfig(
+        com.google.cloud.aiplatform.v1.AutoraterConfig.Builder builderForValue) {
+      if (judgeAutoraterConfigBuilder_ == null) {
+        judgeAutoraterConfig_ = builderForValue.build();
+      } else {
+        judgeAutoraterConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional configuration for the judge LLM (Autorater).
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.aiplatform.v1.AutoraterConfig judge_autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeJudgeAutoraterConfig(com.google.cloud.aiplatform.v1.AutoraterConfig value) {
+      if (judgeAutoraterConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000010) != 0)
+            && judgeAutoraterConfig_ != null
+            && judgeAutoraterConfig_
+                != com.google.cloud.aiplatform.v1.AutoraterConfig.getDefaultInstance()) {
+          getJudgeAutoraterConfigBuilder().mergeFrom(value);
+        } else {
+          judgeAutoraterConfig_ = value;
+        }
+      } else {
+        judgeAutoraterConfigBuilder_.mergeFrom(value);
+      }
+      if (judgeAutoraterConfig_ != null) {
+        bitField0_ |= 0x00000010;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional configuration for the judge LLM (Autorater).
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.aiplatform.v1.AutoraterConfig judge_autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearJudgeAutoraterConfig() {
+      bitField0_ = (bitField0_ & ~0x00000010);
+      judgeAutoraterConfig_ = null;
+      if (judgeAutoraterConfigBuilder_ != null) {
+        judgeAutoraterConfigBuilder_.dispose();
+        judgeAutoraterConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional configuration for the judge LLM (Autorater).
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.aiplatform.v1.AutoraterConfig judge_autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.AutoraterConfig.Builder getJudgeAutoraterConfigBuilder() {
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return internalGetJudgeAutoraterConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional configuration for the judge LLM (Autorater).
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.aiplatform.v1.AutoraterConfig judge_autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.AutoraterConfigOrBuilder
+        getJudgeAutoraterConfigOrBuilder() {
+      if (judgeAutoraterConfigBuilder_ != null) {
+        return judgeAutoraterConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return judgeAutoraterConfig_ == null
+            ? com.google.cloud.aiplatform.v1.AutoraterConfig.getDefaultInstance()
+            : judgeAutoraterConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional configuration for the judge LLM (Autorater).
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.aiplatform.v1.AutoraterConfig judge_autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.AutoraterConfig,
+            com.google.cloud.aiplatform.v1.AutoraterConfig.Builder,
+            com.google.cloud.aiplatform.v1.AutoraterConfigOrBuilder>
+        internalGetJudgeAutoraterConfigFieldBuilder() {
+      if (judgeAutoraterConfigBuilder_ == null) {
+        judgeAutoraterConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.AutoraterConfig,
+                com.google.cloud.aiplatform.v1.AutoraterConfig.Builder,
+                com.google.cloud.aiplatform.v1.AutoraterConfigOrBuilder>(
+                getJudgeAutoraterConfig(), getParentForChildren(), isClean());
+        judgeAutoraterConfig_ = null;
+      }
+      return judgeAutoraterConfigBuilder_;
+    }
+
+    private com.google.protobuf.Struct additionalConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Struct,
+            com.google.protobuf.Struct.Builder,
+            com.google.protobuf.StructOrBuilder>
+        additionalConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional additional configuration for the metric.
+     * </pre>
+     *
+     * <code>
+     * optional .google.protobuf.Struct additional_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the additionalConfig field is set.
+     */
+    public boolean hasAdditionalConfig() {
+      return ((bitField0_ & 0x00000020) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional additional configuration for the metric.
+     * </pre>
+     *
+     * <code>
+     * optional .google.protobuf.Struct additional_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The additionalConfig.
+     */
+    public com.google.protobuf.Struct getAdditionalConfig() {
+      if (additionalConfigBuilder_ == null) {
+        return additionalConfig_ == null
+            ? com.google.protobuf.Struct.getDefaultInstance()
+            : additionalConfig_;
+      } else {
+        return additionalConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional additional configuration for the metric.
+     * </pre>
+     *
+     * <code>
+     * optional .google.protobuf.Struct additional_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setAdditionalConfig(com.google.protobuf.Struct value) {
+      if (additionalConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        additionalConfig_ = value;
+      } else {
+        additionalConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional additional configuration for the metric.
+     * </pre>
+     *
+     * <code>
+     * optional .google.protobuf.Struct additional_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setAdditionalConfig(com.google.protobuf.Struct.Builder builderForValue) {
+      if (additionalConfigBuilder_ == null) {
+        additionalConfig_ = builderForValue.build();
+      } else {
+        additionalConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional additional configuration for the metric.
+     * </pre>
+     *
+     * <code>
+     * optional .google.protobuf.Struct additional_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeAdditionalConfig(com.google.protobuf.Struct value) {
+      if (additionalConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000020) != 0)
+            && additionalConfig_ != null
+            && additionalConfig_ != com.google.protobuf.Struct.getDefaultInstance()) {
+          getAdditionalConfigBuilder().mergeFrom(value);
+        } else {
+          additionalConfig_ = value;
+        }
+      } else {
+        additionalConfigBuilder_.mergeFrom(value);
+      }
+      if (additionalConfig_ != null) {
+        bitField0_ |= 0x00000020;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional additional configuration for the metric.
+     * </pre>
+     *
+     * <code>
+     * optional .google.protobuf.Struct additional_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearAdditionalConfig() {
+      bitField0_ = (bitField0_ & ~0x00000020);
+      additionalConfig_ = null;
+      if (additionalConfigBuilder_ != null) {
+        additionalConfigBuilder_.dispose();
+        additionalConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional additional configuration for the metric.
+     * </pre>
+     *
+     * <code>
+     * optional .google.protobuf.Struct additional_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.protobuf.Struct.Builder getAdditionalConfigBuilder() {
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return internalGetAdditionalConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional additional configuration for the metric.
+     * </pre>
+     *
+     * <code>
+     * optional .google.protobuf.Struct additional_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.protobuf.StructOrBuilder getAdditionalConfigOrBuilder() {
+      if (additionalConfigBuilder_ != null) {
+        return additionalConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return additionalConfig_ == null
+            ? com.google.protobuf.Struct.getDefaultInstance()
+            : additionalConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional additional configuration for the metric.
+     * </pre>
+     *
+     * <code>
+     * optional .google.protobuf.Struct additional_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Struct,
+            com.google.protobuf.Struct.Builder,
+            com.google.protobuf.StructOrBuilder>
+        internalGetAdditionalConfigFieldBuilder() {
+      if (additionalConfigBuilder_ == null) {
+        additionalConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.protobuf.Struct,
+                com.google.protobuf.Struct.Builder,
+                com.google.protobuf.StructOrBuilder>(
+                getAdditionalConfig(), getParentForChildren(), isClean());
+        additionalConfig_ = null;
+      }
+      return additionalConfigBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.LLMBasedMetricSpec)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.aiplatform.v1.LLMBasedMetricSpec)
+  private static final com.google.cloud.aiplatform.v1.LLMBasedMetricSpec DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.aiplatform.v1.LLMBasedMetricSpec();
+  }
+
+  public static com.google.cloud.aiplatform.v1.LLMBasedMetricSpec getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<LLMBasedMetricSpec> PARSER =
+      new com.google.protobuf.AbstractParser<LLMBasedMetricSpec>() {
+        @java.lang.Override
+        public LLMBasedMetricSpec parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<LLMBasedMetricSpec> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<LLMBasedMetricSpec> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.LLMBasedMetricSpec getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/LLMBasedMetricSpecOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/LLMBasedMetricSpecOrBuilder.java
new file mode 100644
index 000000000000..6f71b058a1c6
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/LLMBasedMetricSpecOrBuilder.java
@@ -0,0 +1,280 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+@com.google.protobuf.Generated
+public interface LLMBasedMetricSpecOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.aiplatform.v1.LLMBasedMetricSpec)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Use a pre-defined group of rubrics associated with the input.
+   * Refers to a key in the rubric_groups map of EvaluationInstance.
+   * </pre>
+   *
+   * <code>string rubric_group_key = 4;</code>
+   *
+   * @return Whether the rubricGroupKey field is set.
+   */
+  boolean hasRubricGroupKey();
+
+  /**
+   *
+   *
+   * <pre>
+   * Use a pre-defined group of rubrics associated with the input.
+   * Refers to a key in the rubric_groups map of EvaluationInstance.
+   * </pre>
+   *
+   * <code>string rubric_group_key = 4;</code>
+   *
+   * @return The rubricGroupKey.
+   */
+  java.lang.String getRubricGroupKey();
+
+  /**
+   *
+   *
+   * <pre>
+   * Use a pre-defined group of rubrics associated with the input.
+   * Refers to a key in the rubric_groups map of EvaluationInstance.
+   * </pre>
+   *
+   * <code>string rubric_group_key = 4;</code>
+   *
+   * @return The bytes for rubricGroupKey.
+   */
+  com.google.protobuf.ByteString getRubricGroupKeyBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Dynamically generate rubrics using a predefined spec.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_rubric_generation_spec = 6;
+   * </code>
+   *
+   * @return Whether the predefinedRubricGenerationSpec field is set.
+   */
+  boolean hasPredefinedRubricGenerationSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Dynamically generate rubrics using a predefined spec.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_rubric_generation_spec = 6;
+   * </code>
+   *
+   * @return The predefinedRubricGenerationSpec.
+   */
+  com.google.cloud.aiplatform.v1.PredefinedMetricSpec getPredefinedRubricGenerationSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Dynamically generate rubrics using a predefined spec.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_rubric_generation_spec = 6;
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.PredefinedMetricSpecOrBuilder
+      getPredefinedRubricGenerationSpecOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Template for the prompt sent to the judge model.
+   * </pre>
+   *
+   * <code>optional string metric_prompt_template = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return Whether the metricPromptTemplate field is set.
+   */
+  boolean hasMetricPromptTemplate();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Template for the prompt sent to the judge model.
+   * </pre>
+   *
+   * <code>optional string metric_prompt_template = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The metricPromptTemplate.
+   */
+  java.lang.String getMetricPromptTemplate();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Template for the prompt sent to the judge model.
+   * </pre>
+   *
+   * <code>optional string metric_prompt_template = 1 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The bytes for metricPromptTemplate.
+   */
+  com.google.protobuf.ByteString getMetricPromptTemplateBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. System instructions for the judge model.
+   * </pre>
+   *
+   * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the systemInstruction field is set.
+   */
+  boolean hasSystemInstruction();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. System instructions for the judge model.
+   * </pre>
+   *
+   * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The systemInstruction.
+   */
+  java.lang.String getSystemInstruction();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. System instructions for the judge model.
+   * </pre>
+   *
+   * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for systemInstruction.
+   */
+  com.google.protobuf.ByteString getSystemInstructionBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Optional configuration for the judge LLM (Autorater).
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.aiplatform.v1.AutoraterConfig judge_autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the judgeAutoraterConfig field is set.
+   */
+  boolean hasJudgeAutoraterConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Optional configuration for the judge LLM (Autorater).
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.aiplatform.v1.AutoraterConfig judge_autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The judgeAutoraterConfig.
+   */
+  com.google.cloud.aiplatform.v1.AutoraterConfig getJudgeAutoraterConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Optional configuration for the judge LLM (Autorater).
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.aiplatform.v1.AutoraterConfig judge_autorater_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.AutoraterConfigOrBuilder getJudgeAutoraterConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Optional additional configuration for the metric.
+   * </pre>
+   *
+   * <code>
+   * optional .google.protobuf.Struct additional_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the additionalConfig field is set.
+   */
+  boolean hasAdditionalConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Optional additional configuration for the metric.
+   * </pre>
+   *
+   * <code>
+   * optional .google.protobuf.Struct additional_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The additionalConfig.
+   */
+  com.google.protobuf.Struct getAdditionalConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Optional additional configuration for the metric.
+   * </pre>
+   *
+   * <code>
+   * optional .google.protobuf.Struct additional_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.protobuf.StructOrBuilder getAdditionalConfigOrBuilder();
+
+  com.google.cloud.aiplatform.v1.LLMBasedMetricSpec.RubricsSourceCase getRubricsSourceCase();
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/Metric.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/Metric.java
new file mode 100644
index 000000000000..31aee36daf5b
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/Metric.java
@@ -0,0 +1,3799 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * The metric used for running evaluations.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.aiplatform.v1.Metric}
+ */
+@com.google.protobuf.Generated
+public final class Metric extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.aiplatform.v1.Metric)
+    MetricOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "Metric");
+  }
+
+  // Use Metric.newBuilder() to construct.
+  private Metric(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private Metric() {
+    aggregationMetrics_ = emptyIntList();
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_Metric_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_Metric_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.aiplatform.v1.Metric.class,
+            com.google.cloud.aiplatform.v1.Metric.Builder.class);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The per-metric statistics on evaluation results supported by
+   * `EvaluationService.EvaluateDataset`.
+   * </pre>
+   *
+   * Protobuf enum {@code google.cloud.aiplatform.v1.Metric.AggregationMetric}
+   */
+  public enum AggregationMetric implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * Unspecified aggregation metric.
+     * </pre>
+     *
+     * <code>AGGREGATION_METRIC_UNSPECIFIED = 0;</code>
+     */
+    AGGREGATION_METRIC_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * Average aggregation metric. Not supported for Pairwise metric.
+     * </pre>
+     *
+     * <code>AVERAGE = 1;</code>
+     */
+    AVERAGE(1),
+    /**
+     *
+     *
+     * <pre>
+     * Mode aggregation metric.
+     * </pre>
+     *
+     * <code>MODE = 2;</code>
+     */
+    MODE(2),
+    /**
+     *
+     *
+     * <pre>
+     * Standard deviation aggregation metric. Not supported for pairwise metric.
+     * </pre>
+     *
+     * <code>STANDARD_DEVIATION = 3;</code>
+     */
+    STANDARD_DEVIATION(3),
+    /**
+     *
+     *
+     * <pre>
+     * Variance aggregation metric. Not supported for pairwise metric.
+     * </pre>
+     *
+     * <code>VARIANCE = 4;</code>
+     */
+    VARIANCE(4),
+    /**
+     *
+     *
+     * <pre>
+     * Minimum aggregation metric. Not supported for pairwise metric.
+     * </pre>
+     *
+     * <code>MINIMUM = 5;</code>
+     */
+    MINIMUM(5),
+    /**
+     *
+     *
+     * <pre>
+     * Maximum aggregation metric. Not supported for pairwise metric.
+     * </pre>
+     *
+     * <code>MAXIMUM = 6;</code>
+     */
+    MAXIMUM(6),
+    /**
+     *
+     *
+     * <pre>
+     * Median aggregation metric. Not supported for pairwise metric.
+     * </pre>
+     *
+     * <code>MEDIAN = 7;</code>
+     */
+    MEDIAN(7),
+    /**
+     *
+     *
+     * <pre>
+     * 90th percentile aggregation metric. Not supported for pairwise metric.
+     * </pre>
+     *
+     * <code>PERCENTILE_P90 = 8;</code>
+     */
+    PERCENTILE_P90(8),
+    /**
+     *
+     *
+     * <pre>
+     * 95th percentile aggregation metric. Not supported for pairwise metric.
+     * </pre>
+     *
+     * <code>PERCENTILE_P95 = 9;</code>
+     */
+    PERCENTILE_P95(9),
+    /**
+     *
+     *
+     * <pre>
+     * 99th percentile aggregation metric. Not supported for pairwise metric.
+     * </pre>
+     *
+     * <code>PERCENTILE_P99 = 10;</code>
+     */
+    PERCENTILE_P99(10),
+    UNRECOGNIZED(-1),
+    ;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "AggregationMetric");
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Unspecified aggregation metric.
+     * </pre>
+     *
+     * <code>AGGREGATION_METRIC_UNSPECIFIED = 0;</code>
+     */
+    public static final int AGGREGATION_METRIC_UNSPECIFIED_VALUE = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Average aggregation metric. Not supported for Pairwise metric.
+     * </pre>
+     *
+     * <code>AVERAGE = 1;</code>
+     */
+    public static final int AVERAGE_VALUE = 1;
+
+    /**
+     *
+     *
+     * <pre>
+     * Mode aggregation metric.
+     * </pre>
+     *
+     * <code>MODE = 2;</code>
+     */
+    public static final int MODE_VALUE = 2;
+
+    /**
+     *
+     *
+     * <pre>
+     * Standard deviation aggregation metric. Not supported for pairwise metric.
+     * </pre>
+     *
+     * <code>STANDARD_DEVIATION = 3;</code>
+     */
+    public static final int STANDARD_DEVIATION_VALUE = 3;
+
+    /**
+     *
+     *
+     * <pre>
+     * Variance aggregation metric. Not supported for pairwise metric.
+     * </pre>
+     *
+     * <code>VARIANCE = 4;</code>
+     */
+    public static final int VARIANCE_VALUE = 4;
+
+    /**
+     *
+     *
+     * <pre>
+     * Minimum aggregation metric. Not supported for pairwise metric.
+     * </pre>
+     *
+     * <code>MINIMUM = 5;</code>
+     */
+    public static final int MINIMUM_VALUE = 5;
+
+    /**
+     *
+     *
+     * <pre>
+     * Maximum aggregation metric. Not supported for pairwise metric.
+     * </pre>
+     *
+     * <code>MAXIMUM = 6;</code>
+     */
+    public static final int MAXIMUM_VALUE = 6;
+
+    /**
+     *
+     *
+     * <pre>
+     * Median aggregation metric. Not supported for pairwise metric.
+     * </pre>
+     *
+     * <code>MEDIAN = 7;</code>
+     */
+    public static final int MEDIAN_VALUE = 7;
+
+    /**
+     *
+     *
+     * <pre>
+     * 90th percentile aggregation metric. Not supported for pairwise metric.
+     * </pre>
+     *
+     * <code>PERCENTILE_P90 = 8;</code>
+     */
+    public static final int PERCENTILE_P90_VALUE = 8;
+
+    /**
+     *
+     *
+     * <pre>
+     * 95th percentile aggregation metric. Not supported for pairwise metric.
+     * </pre>
+     *
+     * <code>PERCENTILE_P95 = 9;</code>
+     */
+    public static final int PERCENTILE_P95_VALUE = 9;
+
+    /**
+     *
+     *
+     * <pre>
+     * 99th percentile aggregation metric. Not supported for pairwise metric.
+     * </pre>
+     *
+     * <code>PERCENTILE_P99 = 10;</code>
+     */
+    public static final int PERCENTILE_P99_VALUE = 10;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static AggregationMetric valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static AggregationMetric forNumber(int value) {
+      switch (value) {
+        case 0:
+          return AGGREGATION_METRIC_UNSPECIFIED;
+        case 1:
+          return AVERAGE;
+        case 2:
+          return MODE;
+        case 3:
+          return STANDARD_DEVIATION;
+        case 4:
+          return VARIANCE;
+        case 5:
+          return MINIMUM;
+        case 6:
+          return MAXIMUM;
+        case 7:
+          return MEDIAN;
+        case 8:
+          return PERCENTILE_P90;
+        case 9:
+          return PERCENTILE_P95;
+        case 10:
+          return PERCENTILE_P99;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<AggregationMetric>
+        internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<AggregationMetric>
+        internalValueMap =
+            new com.google.protobuf.Internal.EnumLiteMap<AggregationMetric>() {
+              public AggregationMetric findValueByNumber(int number) {
+                return AggregationMetric.forNumber(number);
+              }
+            };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.Metric.getDescriptor().getEnumTypes().get(0);
+    }
+
+    private static final AggregationMetric[] VALUES = values();
+
+    public static AggregationMetric valueOf(
+        com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private AggregationMetric(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.cloud.aiplatform.v1.Metric.AggregationMetric)
+  }
+
+  private int metricSpecCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object metricSpec_;
+
+  public enum MetricSpecCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    PREDEFINED_METRIC_SPEC(8),
+    COMPUTATION_BASED_METRIC_SPEC(9),
+    LLM_BASED_METRIC_SPEC(10),
+    POINTWISE_METRIC_SPEC(2),
+    PAIRWISE_METRIC_SPEC(3),
+    EXACT_MATCH_SPEC(4),
+    BLEU_SPEC(5),
+    ROUGE_SPEC(6),
+    METRICSPEC_NOT_SET(0);
+    private final int value;
+
+    private MetricSpecCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static MetricSpecCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static MetricSpecCase forNumber(int value) {
+      switch (value) {
+        case 8:
+          return PREDEFINED_METRIC_SPEC;
+        case 9:
+          return COMPUTATION_BASED_METRIC_SPEC;
+        case 10:
+          return LLM_BASED_METRIC_SPEC;
+        case 2:
+          return POINTWISE_METRIC_SPEC;
+        case 3:
+          return PAIRWISE_METRIC_SPEC;
+        case 4:
+          return EXACT_MATCH_SPEC;
+        case 5:
+          return BLEU_SPEC;
+        case 6:
+          return ROUGE_SPEC;
+        case 0:
+          return METRICSPEC_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public MetricSpecCase getMetricSpecCase() {
+    return MetricSpecCase.forNumber(metricSpecCase_);
+  }
+
+  public static final int PREDEFINED_METRIC_SPEC_FIELD_NUMBER = 8;
+
+  /**
+   *
+   *
+   * <pre>
+   * The spec for a pre-defined metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_metric_spec = 8;</code>
+   *
+   * @return Whether the predefinedMetricSpec field is set.
+   */
+  @java.lang.Override
+  public boolean hasPredefinedMetricSpec() {
+    return metricSpecCase_ == 8;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The spec for a pre-defined metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_metric_spec = 8;</code>
+   *
+   * @return The predefinedMetricSpec.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.PredefinedMetricSpec getPredefinedMetricSpec() {
+    if (metricSpecCase_ == 8) {
+      return (com.google.cloud.aiplatform.v1.PredefinedMetricSpec) metricSpec_;
+    }
+    return com.google.cloud.aiplatform.v1.PredefinedMetricSpec.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The spec for a pre-defined metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_metric_spec = 8;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.PredefinedMetricSpecOrBuilder
+      getPredefinedMetricSpecOrBuilder() {
+    if (metricSpecCase_ == 8) {
+      return (com.google.cloud.aiplatform.v1.PredefinedMetricSpec) metricSpec_;
+    }
+    return com.google.cloud.aiplatform.v1.PredefinedMetricSpec.getDefaultInstance();
+  }
+
+  public static final int COMPUTATION_BASED_METRIC_SPEC_FIELD_NUMBER = 9;
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for a computation based metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ComputationBasedMetricSpec computation_based_metric_spec = 9;
+   * </code>
+   *
+   * @return Whether the computationBasedMetricSpec field is set.
+   */
+  @java.lang.Override
+  public boolean hasComputationBasedMetricSpec() {
+    return metricSpecCase_ == 9;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for a computation based metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ComputationBasedMetricSpec computation_based_metric_spec = 9;
+   * </code>
+   *
+   * @return The computationBasedMetricSpec.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec getComputationBasedMetricSpec() {
+    if (metricSpecCase_ == 9) {
+      return (com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec) metricSpec_;
+    }
+    return com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for a computation based metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ComputationBasedMetricSpec computation_based_metric_spec = 9;
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.ComputationBasedMetricSpecOrBuilder
+      getComputationBasedMetricSpecOrBuilder() {
+    if (metricSpecCase_ == 9) {
+      return (com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec) metricSpec_;
+    }
+    return com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.getDefaultInstance();
+  }
+
+  public static final int LLM_BASED_METRIC_SPEC_FIELD_NUMBER = 10;
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for an LLM based metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.LLMBasedMetricSpec llm_based_metric_spec = 10;</code>
+   *
+   * @return Whether the llmBasedMetricSpec field is set.
+   */
+  @java.lang.Override
+  public boolean hasLlmBasedMetricSpec() {
+    return metricSpecCase_ == 10;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for an LLM based metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.LLMBasedMetricSpec llm_based_metric_spec = 10;</code>
+   *
+   * @return The llmBasedMetricSpec.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.LLMBasedMetricSpec getLlmBasedMetricSpec() {
+    if (metricSpecCase_ == 10) {
+      return (com.google.cloud.aiplatform.v1.LLMBasedMetricSpec) metricSpec_;
+    }
+    return com.google.cloud.aiplatform.v1.LLMBasedMetricSpec.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for an LLM based metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.LLMBasedMetricSpec llm_based_metric_spec = 10;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.LLMBasedMetricSpecOrBuilder
+      getLlmBasedMetricSpecOrBuilder() {
+    if (metricSpecCase_ == 10) {
+      return (com.google.cloud.aiplatform.v1.LLMBasedMetricSpec) metricSpec_;
+    }
+    return com.google.cloud.aiplatform.v1.LLMBasedMetricSpec.getDefaultInstance();
+  }
+
+  public static final int POINTWISE_METRIC_SPEC_FIELD_NUMBER = 2;
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for pointwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PointwiseMetricSpec pointwise_metric_spec = 2;</code>
+   *
+   * @return Whether the pointwiseMetricSpec field is set.
+   */
+  @java.lang.Override
+  public boolean hasPointwiseMetricSpec() {
+    return metricSpecCase_ == 2;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for pointwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PointwiseMetricSpec pointwise_metric_spec = 2;</code>
+   *
+   * @return The pointwiseMetricSpec.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.PointwiseMetricSpec getPointwiseMetricSpec() {
+    if (metricSpecCase_ == 2) {
+      return (com.google.cloud.aiplatform.v1.PointwiseMetricSpec) metricSpec_;
+    }
+    return com.google.cloud.aiplatform.v1.PointwiseMetricSpec.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for pointwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PointwiseMetricSpec pointwise_metric_spec = 2;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.PointwiseMetricSpecOrBuilder
+      getPointwiseMetricSpecOrBuilder() {
+    if (metricSpecCase_ == 2) {
+      return (com.google.cloud.aiplatform.v1.PointwiseMetricSpec) metricSpec_;
+    }
+    return com.google.cloud.aiplatform.v1.PointwiseMetricSpec.getDefaultInstance();
+  }
+
+  public static final int PAIRWISE_METRIC_SPEC_FIELD_NUMBER = 3;
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for pairwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PairwiseMetricSpec pairwise_metric_spec = 3;</code>
+   *
+   * @return Whether the pairwiseMetricSpec field is set.
+   */
+  @java.lang.Override
+  public boolean hasPairwiseMetricSpec() {
+    return metricSpecCase_ == 3;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for pairwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PairwiseMetricSpec pairwise_metric_spec = 3;</code>
+   *
+   * @return The pairwiseMetricSpec.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.PairwiseMetricSpec getPairwiseMetricSpec() {
+    if (metricSpecCase_ == 3) {
+      return (com.google.cloud.aiplatform.v1.PairwiseMetricSpec) metricSpec_;
+    }
+    return com.google.cloud.aiplatform.v1.PairwiseMetricSpec.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for pairwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PairwiseMetricSpec pairwise_metric_spec = 3;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.PairwiseMetricSpecOrBuilder
+      getPairwiseMetricSpecOrBuilder() {
+    if (metricSpecCase_ == 3) {
+      return (com.google.cloud.aiplatform.v1.PairwiseMetricSpec) metricSpec_;
+    }
+    return com.google.cloud.aiplatform.v1.PairwiseMetricSpec.getDefaultInstance();
+  }
+
+  public static final int EXACT_MATCH_SPEC_FIELD_NUMBER = 4;
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for exact match metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ExactMatchSpec exact_match_spec = 4;</code>
+   *
+   * @return Whether the exactMatchSpec field is set.
+   */
+  @java.lang.Override
+  public boolean hasExactMatchSpec() {
+    return metricSpecCase_ == 4;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for exact match metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ExactMatchSpec exact_match_spec = 4;</code>
+   *
+   * @return The exactMatchSpec.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.ExactMatchSpec getExactMatchSpec() {
+    if (metricSpecCase_ == 4) {
+      return (com.google.cloud.aiplatform.v1.ExactMatchSpec) metricSpec_;
+    }
+    return com.google.cloud.aiplatform.v1.ExactMatchSpec.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for exact match metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ExactMatchSpec exact_match_spec = 4;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.ExactMatchSpecOrBuilder getExactMatchSpecOrBuilder() {
+    if (metricSpecCase_ == 4) {
+      return (com.google.cloud.aiplatform.v1.ExactMatchSpec) metricSpec_;
+    }
+    return com.google.cloud.aiplatform.v1.ExactMatchSpec.getDefaultInstance();
+  }
+
+  public static final int BLEU_SPEC_FIELD_NUMBER = 5;
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for bleu metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.BleuSpec bleu_spec = 5;</code>
+   *
+   * @return Whether the bleuSpec field is set.
+   */
+  @java.lang.Override
+  public boolean hasBleuSpec() {
+    return metricSpecCase_ == 5;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for bleu metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.BleuSpec bleu_spec = 5;</code>
+   *
+   * @return The bleuSpec.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.BleuSpec getBleuSpec() {
+    if (metricSpecCase_ == 5) {
+      return (com.google.cloud.aiplatform.v1.BleuSpec) metricSpec_;
+    }
+    return com.google.cloud.aiplatform.v1.BleuSpec.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for bleu metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.BleuSpec bleu_spec = 5;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.BleuSpecOrBuilder getBleuSpecOrBuilder() {
+    if (metricSpecCase_ == 5) {
+      return (com.google.cloud.aiplatform.v1.BleuSpec) metricSpec_;
+    }
+    return com.google.cloud.aiplatform.v1.BleuSpec.getDefaultInstance();
+  }
+
+  public static final int ROUGE_SPEC_FIELD_NUMBER = 6;
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for rouge metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.RougeSpec rouge_spec = 6;</code>
+   *
+   * @return Whether the rougeSpec field is set.
+   */
+  @java.lang.Override
+  public boolean hasRougeSpec() {
+    return metricSpecCase_ == 6;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for rouge metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.RougeSpec rouge_spec = 6;</code>
+   *
+   * @return The rougeSpec.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.RougeSpec getRougeSpec() {
+    if (metricSpecCase_ == 6) {
+      return (com.google.cloud.aiplatform.v1.RougeSpec) metricSpec_;
+    }
+    return com.google.cloud.aiplatform.v1.RougeSpec.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for rouge metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.RougeSpec rouge_spec = 6;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.RougeSpecOrBuilder getRougeSpecOrBuilder() {
+    if (metricSpecCase_ == 6) {
+      return (com.google.cloud.aiplatform.v1.RougeSpec) metricSpec_;
+    }
+    return com.google.cloud.aiplatform.v1.RougeSpec.getDefaultInstance();
+  }
+
+  public static final int AGGREGATION_METRICS_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private com.google.protobuf.Internal.IntList aggregationMetrics_ = emptyIntList();
+
+  private static final com.google.protobuf.Internal.IntListAdapter.IntConverter<
+          com.google.cloud.aiplatform.v1.Metric.AggregationMetric>
+      aggregationMetrics_converter_ =
+          new com.google.protobuf.Internal.IntListAdapter.IntConverter<
+              com.google.cloud.aiplatform.v1.Metric.AggregationMetric>() {
+            public com.google.cloud.aiplatform.v1.Metric.AggregationMetric convert(int from) {
+              com.google.cloud.aiplatform.v1.Metric.AggregationMetric result =
+                  com.google.cloud.aiplatform.v1.Metric.AggregationMetric.forNumber(from);
+              return result == null
+                  ? com.google.cloud.aiplatform.v1.Metric.AggregationMetric.UNRECOGNIZED
+                  : result;
+            }
+          };
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The aggregation metrics to use.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return A list containing the aggregationMetrics.
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.aiplatform.v1.Metric.AggregationMetric>
+      getAggregationMetricsList() {
+    return new com.google.protobuf.Internal.IntListAdapter<
+        com.google.cloud.aiplatform.v1.Metric.AggregationMetric>(
+        aggregationMetrics_, aggregationMetrics_converter_);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The aggregation metrics to use.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The count of aggregationMetrics.
+   */
+  @java.lang.Override
+  public int getAggregationMetricsCount() {
+    return aggregationMetrics_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The aggregation metrics to use.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @param index The index of the element to return.
+   * @return The aggregationMetrics at the given index.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.Metric.AggregationMetric getAggregationMetrics(int index) {
+    return aggregationMetrics_converter_.convert(aggregationMetrics_.getInt(index));
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The aggregation metrics to use.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return A list containing the enum numeric values on the wire for aggregationMetrics.
+   */
+  @java.lang.Override
+  public java.util.List<java.lang.Integer> getAggregationMetricsValueList() {
+    return aggregationMetrics_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The aggregation metrics to use.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @param index The index of the value to return.
+   * @return The enum numeric value on the wire of aggregationMetrics at the given index.
+   */
+  @java.lang.Override
+  public int getAggregationMetricsValue(int index) {
+    return aggregationMetrics_.getInt(index);
+  }
+
+  private int aggregationMetricsMemoizedSerializedSize;
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    getSerializedSize();
+    if (getAggregationMetricsList().size() > 0) {
+      output.writeUInt32NoTag(10);
+      output.writeUInt32NoTag(aggregationMetricsMemoizedSerializedSize);
+    }
+    for (int i = 0; i < aggregationMetrics_.size(); i++) {
+      output.writeEnumNoTag(aggregationMetrics_.getInt(i));
+    }
+    if (metricSpecCase_ == 2) {
+      output.writeMessage(2, (com.google.cloud.aiplatform.v1.PointwiseMetricSpec) metricSpec_);
+    }
+    if (metricSpecCase_ == 3) {
+      output.writeMessage(3, (com.google.cloud.aiplatform.v1.PairwiseMetricSpec) metricSpec_);
+    }
+    if (metricSpecCase_ == 4) {
+      output.writeMessage(4, (com.google.cloud.aiplatform.v1.ExactMatchSpec) metricSpec_);
+    }
+    if (metricSpecCase_ == 5) {
+      output.writeMessage(5, (com.google.cloud.aiplatform.v1.BleuSpec) metricSpec_);
+    }
+    if (metricSpecCase_ == 6) {
+      output.writeMessage(6, (com.google.cloud.aiplatform.v1.RougeSpec) metricSpec_);
+    }
+    if (metricSpecCase_ == 8) {
+      output.writeMessage(8, (com.google.cloud.aiplatform.v1.PredefinedMetricSpec) metricSpec_);
+    }
+    if (metricSpecCase_ == 9) {
+      output.writeMessage(
+          9, (com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec) metricSpec_);
+    }
+    if (metricSpecCase_ == 10) {
+      output.writeMessage(10, (com.google.cloud.aiplatform.v1.LLMBasedMetricSpec) metricSpec_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    {
+      int dataSize = 0;
+      for (int i = 0; i < aggregationMetrics_.size(); i++) {
+        dataSize +=
+            com.google.protobuf.CodedOutputStream.computeEnumSizeNoTag(
+                aggregationMetrics_.getInt(i));
+      }
+      size += dataSize;
+      if (!getAggregationMetricsList().isEmpty()) {
+        size += 1;
+        size += com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(dataSize);
+      }
+      aggregationMetricsMemoizedSerializedSize = dataSize;
+    }
+    if (metricSpecCase_ == 2) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              2, (com.google.cloud.aiplatform.v1.PointwiseMetricSpec) metricSpec_);
+    }
+    if (metricSpecCase_ == 3) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              3, (com.google.cloud.aiplatform.v1.PairwiseMetricSpec) metricSpec_);
+    }
+    if (metricSpecCase_ == 4) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              4, (com.google.cloud.aiplatform.v1.ExactMatchSpec) metricSpec_);
+    }
+    if (metricSpecCase_ == 5) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              5, (com.google.cloud.aiplatform.v1.BleuSpec) metricSpec_);
+    }
+    if (metricSpecCase_ == 6) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              6, (com.google.cloud.aiplatform.v1.RougeSpec) metricSpec_);
+    }
+    if (metricSpecCase_ == 8) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              8, (com.google.cloud.aiplatform.v1.PredefinedMetricSpec) metricSpec_);
+    }
+    if (metricSpecCase_ == 9) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              9, (com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec) metricSpec_);
+    }
+    if (metricSpecCase_ == 10) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              10, (com.google.cloud.aiplatform.v1.LLMBasedMetricSpec) metricSpec_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.aiplatform.v1.Metric)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.aiplatform.v1.Metric other = (com.google.cloud.aiplatform.v1.Metric) obj;
+
+    if (!aggregationMetrics_.equals(other.aggregationMetrics_)) return false;
+    if (!getMetricSpecCase().equals(other.getMetricSpecCase())) return false;
+    switch (metricSpecCase_) {
+      case 8:
+        if (!getPredefinedMetricSpec().equals(other.getPredefinedMetricSpec())) return false;
+        break;
+      case 9:
+        if (!getComputationBasedMetricSpec().equals(other.getComputationBasedMetricSpec()))
+          return false;
+        break;
+      case 10:
+        if (!getLlmBasedMetricSpec().equals(other.getLlmBasedMetricSpec())) return false;
+        break;
+      case 2:
+        if (!getPointwiseMetricSpec().equals(other.getPointwiseMetricSpec())) return false;
+        break;
+      case 3:
+        if (!getPairwiseMetricSpec().equals(other.getPairwiseMetricSpec())) return false;
+        break;
+      case 4:
+        if (!getExactMatchSpec().equals(other.getExactMatchSpec())) return false;
+        break;
+      case 5:
+        if (!getBleuSpec().equals(other.getBleuSpec())) return false;
+        break;
+      case 6:
+        if (!getRougeSpec().equals(other.getRougeSpec())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (getAggregationMetricsCount() > 0) {
+      hash = (37 * hash) + AGGREGATION_METRICS_FIELD_NUMBER;
+      hash = (53 * hash) + aggregationMetrics_.hashCode();
+    }
+    switch (metricSpecCase_) {
+      case 8:
+        hash = (37 * hash) + PREDEFINED_METRIC_SPEC_FIELD_NUMBER;
+        hash = (53 * hash) + getPredefinedMetricSpec().hashCode();
+        break;
+      case 9:
+        hash = (37 * hash) + COMPUTATION_BASED_METRIC_SPEC_FIELD_NUMBER;
+        hash = (53 * hash) + getComputationBasedMetricSpec().hashCode();
+        break;
+      case 10:
+        hash = (37 * hash) + LLM_BASED_METRIC_SPEC_FIELD_NUMBER;
+        hash = (53 * hash) + getLlmBasedMetricSpec().hashCode();
+        break;
+      case 2:
+        hash = (37 * hash) + POINTWISE_METRIC_SPEC_FIELD_NUMBER;
+        hash = (53 * hash) + getPointwiseMetricSpec().hashCode();
+        break;
+      case 3:
+        hash = (37 * hash) + PAIRWISE_METRIC_SPEC_FIELD_NUMBER;
+        hash = (53 * hash) + getPairwiseMetricSpec().hashCode();
+        break;
+      case 4:
+        hash = (37 * hash) + EXACT_MATCH_SPEC_FIELD_NUMBER;
+        hash = (53 * hash) + getExactMatchSpec().hashCode();
+        break;
+      case 5:
+        hash = (37 * hash) + BLEU_SPEC_FIELD_NUMBER;
+        hash = (53 * hash) + getBleuSpec().hashCode();
+        break;
+      case 6:
+        hash = (37 * hash) + ROUGE_SPEC_FIELD_NUMBER;
+        hash = (53 * hash) + getRougeSpec().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.aiplatform.v1.Metric parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.Metric parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.Metric parseFrom(com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.Metric parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.Metric parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.Metric parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.Metric parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.Metric parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.Metric parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.Metric parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.Metric parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.Metric parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.aiplatform.v1.Metric prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The metric used for running evaluations.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.aiplatform.v1.Metric}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.aiplatform.v1.Metric)
+      com.google.cloud.aiplatform.v1.MetricOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_Metric_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_Metric_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.aiplatform.v1.Metric.class,
+              com.google.cloud.aiplatform.v1.Metric.Builder.class);
+    }
+
+    // Construct using com.google.cloud.aiplatform.v1.Metric.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (predefinedMetricSpecBuilder_ != null) {
+        predefinedMetricSpecBuilder_.clear();
+      }
+      if (computationBasedMetricSpecBuilder_ != null) {
+        computationBasedMetricSpecBuilder_.clear();
+      }
+      if (llmBasedMetricSpecBuilder_ != null) {
+        llmBasedMetricSpecBuilder_.clear();
+      }
+      if (pointwiseMetricSpecBuilder_ != null) {
+        pointwiseMetricSpecBuilder_.clear();
+      }
+      if (pairwiseMetricSpecBuilder_ != null) {
+        pairwiseMetricSpecBuilder_.clear();
+      }
+      if (exactMatchSpecBuilder_ != null) {
+        exactMatchSpecBuilder_.clear();
+      }
+      if (bleuSpecBuilder_ != null) {
+        bleuSpecBuilder_.clear();
+      }
+      if (rougeSpecBuilder_ != null) {
+        rougeSpecBuilder_.clear();
+      }
+      aggregationMetrics_ = emptyIntList();
+      metricSpecCase_ = 0;
+      metricSpec_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_Metric_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.Metric getDefaultInstanceForType() {
+      return com.google.cloud.aiplatform.v1.Metric.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.Metric build() {
+      com.google.cloud.aiplatform.v1.Metric result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.Metric buildPartial() {
+      com.google.cloud.aiplatform.v1.Metric result =
+          new com.google.cloud.aiplatform.v1.Metric(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.aiplatform.v1.Metric result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000100) != 0)) {
+        aggregationMetrics_.makeImmutable();
+        result.aggregationMetrics_ = aggregationMetrics_;
+      }
+    }
+
+    private void buildPartialOneofs(com.google.cloud.aiplatform.v1.Metric result) {
+      result.metricSpecCase_ = metricSpecCase_;
+      result.metricSpec_ = this.metricSpec_;
+      if (metricSpecCase_ == 8 && predefinedMetricSpecBuilder_ != null) {
+        result.metricSpec_ = predefinedMetricSpecBuilder_.build();
+      }
+      if (metricSpecCase_ == 9 && computationBasedMetricSpecBuilder_ != null) {
+        result.metricSpec_ = computationBasedMetricSpecBuilder_.build();
+      }
+      if (metricSpecCase_ == 10 && llmBasedMetricSpecBuilder_ != null) {
+        result.metricSpec_ = llmBasedMetricSpecBuilder_.build();
+      }
+      if (metricSpecCase_ == 2 && pointwiseMetricSpecBuilder_ != null) {
+        result.metricSpec_ = pointwiseMetricSpecBuilder_.build();
+      }
+      if (metricSpecCase_ == 3 && pairwiseMetricSpecBuilder_ != null) {
+        result.metricSpec_ = pairwiseMetricSpecBuilder_.build();
+      }
+      if (metricSpecCase_ == 4 && exactMatchSpecBuilder_ != null) {
+        result.metricSpec_ = exactMatchSpecBuilder_.build();
+      }
+      if (metricSpecCase_ == 5 && bleuSpecBuilder_ != null) {
+        result.metricSpec_ = bleuSpecBuilder_.build();
+      }
+      if (metricSpecCase_ == 6 && rougeSpecBuilder_ != null) {
+        result.metricSpec_ = rougeSpecBuilder_.build();
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.aiplatform.v1.Metric) {
+        return mergeFrom((com.google.cloud.aiplatform.v1.Metric) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.aiplatform.v1.Metric other) {
+      if (other == com.google.cloud.aiplatform.v1.Metric.getDefaultInstance()) return this;
+      if (!other.aggregationMetrics_.isEmpty()) {
+        if (aggregationMetrics_.isEmpty()) {
+          aggregationMetrics_ = other.aggregationMetrics_;
+          aggregationMetrics_.makeImmutable();
+          bitField0_ |= 0x00000100;
+        } else {
+          ensureAggregationMetricsIsMutable();
+          aggregationMetrics_.addAll(other.aggregationMetrics_);
+        }
+        onChanged();
+      }
+      switch (other.getMetricSpecCase()) {
+        case PREDEFINED_METRIC_SPEC:
+          {
+            mergePredefinedMetricSpec(other.getPredefinedMetricSpec());
+            break;
+          }
+        case COMPUTATION_BASED_METRIC_SPEC:
+          {
+            mergeComputationBasedMetricSpec(other.getComputationBasedMetricSpec());
+            break;
+          }
+        case LLM_BASED_METRIC_SPEC:
+          {
+            mergeLlmBasedMetricSpec(other.getLlmBasedMetricSpec());
+            break;
+          }
+        case POINTWISE_METRIC_SPEC:
+          {
+            mergePointwiseMetricSpec(other.getPointwiseMetricSpec());
+            break;
+          }
+        case PAIRWISE_METRIC_SPEC:
+          {
+            mergePairwiseMetricSpec(other.getPairwiseMetricSpec());
+            break;
+          }
+        case EXACT_MATCH_SPEC:
+          {
+            mergeExactMatchSpec(other.getExactMatchSpec());
+            break;
+          }
+        case BLEU_SPEC:
+          {
+            mergeBleuSpec(other.getBleuSpec());
+            break;
+          }
+        case ROUGE_SPEC:
+          {
+            mergeRougeSpec(other.getRougeSpec());
+            break;
+          }
+        case METRICSPEC_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 8:
+              {
+                int tmpRaw = input.readEnum();
+                ensureAggregationMetricsIsMutable();
+                aggregationMetrics_.addInt(tmpRaw);
+                break;
+              } // case 8
+            case 10:
+              {
+                int length = input.readRawVarint32();
+                int limit = input.pushLimit(length);
+                ensureAggregationMetricsIsMutable();
+                while (input.getBytesUntilLimit() > 0) {
+                  aggregationMetrics_.addInt(input.readEnum());
+                }
+                input.popLimit(limit);
+                break;
+              } // case 10
+            case 18:
+              {
+                input.readMessage(
+                    internalGetPointwiseMetricSpecFieldBuilder().getBuilder(), extensionRegistry);
+                metricSpecCase_ = 2;
+                break;
+              } // case 18
+            case 26:
+              {
+                input.readMessage(
+                    internalGetPairwiseMetricSpecFieldBuilder().getBuilder(), extensionRegistry);
+                metricSpecCase_ = 3;
+                break;
+              } // case 26
+            case 34:
+              {
+                input.readMessage(
+                    internalGetExactMatchSpecFieldBuilder().getBuilder(), extensionRegistry);
+                metricSpecCase_ = 4;
+                break;
+              } // case 34
+            case 42:
+              {
+                input.readMessage(
+                    internalGetBleuSpecFieldBuilder().getBuilder(), extensionRegistry);
+                metricSpecCase_ = 5;
+                break;
+              } // case 42
+            case 50:
+              {
+                input.readMessage(
+                    internalGetRougeSpecFieldBuilder().getBuilder(), extensionRegistry);
+                metricSpecCase_ = 6;
+                break;
+              } // case 50
+            case 66:
+              {
+                input.readMessage(
+                    internalGetPredefinedMetricSpecFieldBuilder().getBuilder(), extensionRegistry);
+                metricSpecCase_ = 8;
+                break;
+              } // case 66
+            case 74:
+              {
+                input.readMessage(
+                    internalGetComputationBasedMetricSpecFieldBuilder().getBuilder(),
+                    extensionRegistry);
+                metricSpecCase_ = 9;
+                break;
+              } // case 74
+            case 82:
+              {
+                input.readMessage(
+                    internalGetLlmBasedMetricSpecFieldBuilder().getBuilder(), extensionRegistry);
+                metricSpecCase_ = 10;
+                break;
+              } // case 82
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int metricSpecCase_ = 0;
+    private java.lang.Object metricSpec_;
+
+    public MetricSpecCase getMetricSpecCase() {
+      return MetricSpecCase.forNumber(metricSpecCase_);
+    }
+
+    public Builder clearMetricSpec() {
+      metricSpecCase_ = 0;
+      metricSpec_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.PredefinedMetricSpec,
+            com.google.cloud.aiplatform.v1.PredefinedMetricSpec.Builder,
+            com.google.cloud.aiplatform.v1.PredefinedMetricSpecOrBuilder>
+        predefinedMetricSpecBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The spec for a pre-defined metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_metric_spec = 8;</code>
+     *
+     * @return Whether the predefinedMetricSpec field is set.
+     */
+    @java.lang.Override
+    public boolean hasPredefinedMetricSpec() {
+      return metricSpecCase_ == 8;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The spec for a pre-defined metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_metric_spec = 8;</code>
+     *
+     * @return The predefinedMetricSpec.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.PredefinedMetricSpec getPredefinedMetricSpec() {
+      if (predefinedMetricSpecBuilder_ == null) {
+        if (metricSpecCase_ == 8) {
+          return (com.google.cloud.aiplatform.v1.PredefinedMetricSpec) metricSpec_;
+        }
+        return com.google.cloud.aiplatform.v1.PredefinedMetricSpec.getDefaultInstance();
+      } else {
+        if (metricSpecCase_ == 8) {
+          return predefinedMetricSpecBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.PredefinedMetricSpec.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The spec for a pre-defined metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_metric_spec = 8;</code>
+     */
+    public Builder setPredefinedMetricSpec(
+        com.google.cloud.aiplatform.v1.PredefinedMetricSpec value) {
+      if (predefinedMetricSpecBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        metricSpec_ = value;
+        onChanged();
+      } else {
+        predefinedMetricSpecBuilder_.setMessage(value);
+      }
+      metricSpecCase_ = 8;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The spec for a pre-defined metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_metric_spec = 8;</code>
+     */
+    public Builder setPredefinedMetricSpec(
+        com.google.cloud.aiplatform.v1.PredefinedMetricSpec.Builder builderForValue) {
+      if (predefinedMetricSpecBuilder_ == null) {
+        metricSpec_ = builderForValue.build();
+        onChanged();
+      } else {
+        predefinedMetricSpecBuilder_.setMessage(builderForValue.build());
+      }
+      metricSpecCase_ = 8;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The spec for a pre-defined metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_metric_spec = 8;</code>
+     */
+    public Builder mergePredefinedMetricSpec(
+        com.google.cloud.aiplatform.v1.PredefinedMetricSpec value) {
+      if (predefinedMetricSpecBuilder_ == null) {
+        if (metricSpecCase_ == 8
+            && metricSpec_
+                != com.google.cloud.aiplatform.v1.PredefinedMetricSpec.getDefaultInstance()) {
+          metricSpec_ =
+              com.google.cloud.aiplatform.v1.PredefinedMetricSpec.newBuilder(
+                      (com.google.cloud.aiplatform.v1.PredefinedMetricSpec) metricSpec_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          metricSpec_ = value;
+        }
+        onChanged();
+      } else {
+        if (metricSpecCase_ == 8) {
+          predefinedMetricSpecBuilder_.mergeFrom(value);
+        } else {
+          predefinedMetricSpecBuilder_.setMessage(value);
+        }
+      }
+      metricSpecCase_ = 8;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The spec for a pre-defined metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_metric_spec = 8;</code>
+     */
+    public Builder clearPredefinedMetricSpec() {
+      if (predefinedMetricSpecBuilder_ == null) {
+        if (metricSpecCase_ == 8) {
+          metricSpecCase_ = 0;
+          metricSpec_ = null;
+          onChanged();
+        }
+      } else {
+        if (metricSpecCase_ == 8) {
+          metricSpecCase_ = 0;
+          metricSpec_ = null;
+        }
+        predefinedMetricSpecBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The spec for a pre-defined metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_metric_spec = 8;</code>
+     */
+    public com.google.cloud.aiplatform.v1.PredefinedMetricSpec.Builder
+        getPredefinedMetricSpecBuilder() {
+      return internalGetPredefinedMetricSpecFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The spec for a pre-defined metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_metric_spec = 8;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.PredefinedMetricSpecOrBuilder
+        getPredefinedMetricSpecOrBuilder() {
+      if ((metricSpecCase_ == 8) && (predefinedMetricSpecBuilder_ != null)) {
+        return predefinedMetricSpecBuilder_.getMessageOrBuilder();
+      } else {
+        if (metricSpecCase_ == 8) {
+          return (com.google.cloud.aiplatform.v1.PredefinedMetricSpec) metricSpec_;
+        }
+        return com.google.cloud.aiplatform.v1.PredefinedMetricSpec.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The spec for a pre-defined metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_metric_spec = 8;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.PredefinedMetricSpec,
+            com.google.cloud.aiplatform.v1.PredefinedMetricSpec.Builder,
+            com.google.cloud.aiplatform.v1.PredefinedMetricSpecOrBuilder>
+        internalGetPredefinedMetricSpecFieldBuilder() {
+      if (predefinedMetricSpecBuilder_ == null) {
+        if (!(metricSpecCase_ == 8)) {
+          metricSpec_ = com.google.cloud.aiplatform.v1.PredefinedMetricSpec.getDefaultInstance();
+        }
+        predefinedMetricSpecBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.PredefinedMetricSpec,
+                com.google.cloud.aiplatform.v1.PredefinedMetricSpec.Builder,
+                com.google.cloud.aiplatform.v1.PredefinedMetricSpecOrBuilder>(
+                (com.google.cloud.aiplatform.v1.PredefinedMetricSpec) metricSpec_,
+                getParentForChildren(),
+                isClean());
+        metricSpec_ = null;
+      }
+      metricSpecCase_ = 8;
+      onChanged();
+      return predefinedMetricSpecBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec,
+            com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.Builder,
+            com.google.cloud.aiplatform.v1.ComputationBasedMetricSpecOrBuilder>
+        computationBasedMetricSpecBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for a computation based metric.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.ComputationBasedMetricSpec computation_based_metric_spec = 9;
+     * </code>
+     *
+     * @return Whether the computationBasedMetricSpec field is set.
+     */
+    @java.lang.Override
+    public boolean hasComputationBasedMetricSpec() {
+      return metricSpecCase_ == 9;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for a computation based metric.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.ComputationBasedMetricSpec computation_based_metric_spec = 9;
+     * </code>
+     *
+     * @return The computationBasedMetricSpec.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec
+        getComputationBasedMetricSpec() {
+      if (computationBasedMetricSpecBuilder_ == null) {
+        if (metricSpecCase_ == 9) {
+          return (com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec) metricSpec_;
+        }
+        return com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.getDefaultInstance();
+      } else {
+        if (metricSpecCase_ == 9) {
+          return computationBasedMetricSpecBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for a computation based metric.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.ComputationBasedMetricSpec computation_based_metric_spec = 9;
+     * </code>
+     */
+    public Builder setComputationBasedMetricSpec(
+        com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec value) {
+      if (computationBasedMetricSpecBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        metricSpec_ = value;
+        onChanged();
+      } else {
+        computationBasedMetricSpecBuilder_.setMessage(value);
+      }
+      metricSpecCase_ = 9;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for a computation based metric.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.ComputationBasedMetricSpec computation_based_metric_spec = 9;
+     * </code>
+     */
+    public Builder setComputationBasedMetricSpec(
+        com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.Builder builderForValue) {
+      if (computationBasedMetricSpecBuilder_ == null) {
+        metricSpec_ = builderForValue.build();
+        onChanged();
+      } else {
+        computationBasedMetricSpecBuilder_.setMessage(builderForValue.build());
+      }
+      metricSpecCase_ = 9;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for a computation based metric.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.ComputationBasedMetricSpec computation_based_metric_spec = 9;
+     * </code>
+     */
+    public Builder mergeComputationBasedMetricSpec(
+        com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec value) {
+      if (computationBasedMetricSpecBuilder_ == null) {
+        if (metricSpecCase_ == 9
+            && metricSpec_
+                != com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.getDefaultInstance()) {
+          metricSpec_ =
+              com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.newBuilder(
+                      (com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec) metricSpec_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          metricSpec_ = value;
+        }
+        onChanged();
+      } else {
+        if (metricSpecCase_ == 9) {
+          computationBasedMetricSpecBuilder_.mergeFrom(value);
+        } else {
+          computationBasedMetricSpecBuilder_.setMessage(value);
+        }
+      }
+      metricSpecCase_ = 9;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for a computation based metric.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.ComputationBasedMetricSpec computation_based_metric_spec = 9;
+     * </code>
+     */
+    public Builder clearComputationBasedMetricSpec() {
+      if (computationBasedMetricSpecBuilder_ == null) {
+        if (metricSpecCase_ == 9) {
+          metricSpecCase_ = 0;
+          metricSpec_ = null;
+          onChanged();
+        }
+      } else {
+        if (metricSpecCase_ == 9) {
+          metricSpecCase_ = 0;
+          metricSpec_ = null;
+        }
+        computationBasedMetricSpecBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for a computation based metric.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.ComputationBasedMetricSpec computation_based_metric_spec = 9;
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.Builder
+        getComputationBasedMetricSpecBuilder() {
+      return internalGetComputationBasedMetricSpecFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for a computation based metric.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.ComputationBasedMetricSpec computation_based_metric_spec = 9;
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ComputationBasedMetricSpecOrBuilder
+        getComputationBasedMetricSpecOrBuilder() {
+      if ((metricSpecCase_ == 9) && (computationBasedMetricSpecBuilder_ != null)) {
+        return computationBasedMetricSpecBuilder_.getMessageOrBuilder();
+      } else {
+        if (metricSpecCase_ == 9) {
+          return (com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec) metricSpec_;
+        }
+        return com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for a computation based metric.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.ComputationBasedMetricSpec computation_based_metric_spec = 9;
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec,
+            com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.Builder,
+            com.google.cloud.aiplatform.v1.ComputationBasedMetricSpecOrBuilder>
+        internalGetComputationBasedMetricSpecFieldBuilder() {
+      if (computationBasedMetricSpecBuilder_ == null) {
+        if (!(metricSpecCase_ == 9)) {
+          metricSpec_ =
+              com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.getDefaultInstance();
+        }
+        computationBasedMetricSpecBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec,
+                com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec.Builder,
+                com.google.cloud.aiplatform.v1.ComputationBasedMetricSpecOrBuilder>(
+                (com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec) metricSpec_,
+                getParentForChildren(),
+                isClean());
+        metricSpec_ = null;
+      }
+      metricSpecCase_ = 9;
+      onChanged();
+      return computationBasedMetricSpecBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.LLMBasedMetricSpec,
+            com.google.cloud.aiplatform.v1.LLMBasedMetricSpec.Builder,
+            com.google.cloud.aiplatform.v1.LLMBasedMetricSpecOrBuilder>
+        llmBasedMetricSpecBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for an LLM based metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.LLMBasedMetricSpec llm_based_metric_spec = 10;</code>
+     *
+     * @return Whether the llmBasedMetricSpec field is set.
+     */
+    @java.lang.Override
+    public boolean hasLlmBasedMetricSpec() {
+      return metricSpecCase_ == 10;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for an LLM based metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.LLMBasedMetricSpec llm_based_metric_spec = 10;</code>
+     *
+     * @return The llmBasedMetricSpec.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.LLMBasedMetricSpec getLlmBasedMetricSpec() {
+      if (llmBasedMetricSpecBuilder_ == null) {
+        if (metricSpecCase_ == 10) {
+          return (com.google.cloud.aiplatform.v1.LLMBasedMetricSpec) metricSpec_;
+        }
+        return com.google.cloud.aiplatform.v1.LLMBasedMetricSpec.getDefaultInstance();
+      } else {
+        if (metricSpecCase_ == 10) {
+          return llmBasedMetricSpecBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.LLMBasedMetricSpec.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for an LLM based metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.LLMBasedMetricSpec llm_based_metric_spec = 10;</code>
+     */
+    public Builder setLlmBasedMetricSpec(com.google.cloud.aiplatform.v1.LLMBasedMetricSpec value) {
+      if (llmBasedMetricSpecBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        metricSpec_ = value;
+        onChanged();
+      } else {
+        llmBasedMetricSpecBuilder_.setMessage(value);
+      }
+      metricSpecCase_ = 10;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for an LLM based metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.LLMBasedMetricSpec llm_based_metric_spec = 10;</code>
+     */
+    public Builder setLlmBasedMetricSpec(
+        com.google.cloud.aiplatform.v1.LLMBasedMetricSpec.Builder builderForValue) {
+      if (llmBasedMetricSpecBuilder_ == null) {
+        metricSpec_ = builderForValue.build();
+        onChanged();
+      } else {
+        llmBasedMetricSpecBuilder_.setMessage(builderForValue.build());
+      }
+      metricSpecCase_ = 10;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for an LLM based metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.LLMBasedMetricSpec llm_based_metric_spec = 10;</code>
+     */
+    public Builder mergeLlmBasedMetricSpec(
+        com.google.cloud.aiplatform.v1.LLMBasedMetricSpec value) {
+      if (llmBasedMetricSpecBuilder_ == null) {
+        if (metricSpecCase_ == 10
+            && metricSpec_
+                != com.google.cloud.aiplatform.v1.LLMBasedMetricSpec.getDefaultInstance()) {
+          metricSpec_ =
+              com.google.cloud.aiplatform.v1.LLMBasedMetricSpec.newBuilder(
+                      (com.google.cloud.aiplatform.v1.LLMBasedMetricSpec) metricSpec_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          metricSpec_ = value;
+        }
+        onChanged();
+      } else {
+        if (metricSpecCase_ == 10) {
+          llmBasedMetricSpecBuilder_.mergeFrom(value);
+        } else {
+          llmBasedMetricSpecBuilder_.setMessage(value);
+        }
+      }
+      metricSpecCase_ = 10;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for an LLM based metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.LLMBasedMetricSpec llm_based_metric_spec = 10;</code>
+     */
+    public Builder clearLlmBasedMetricSpec() {
+      if (llmBasedMetricSpecBuilder_ == null) {
+        if (metricSpecCase_ == 10) {
+          metricSpecCase_ = 0;
+          metricSpec_ = null;
+          onChanged();
+        }
+      } else {
+        if (metricSpecCase_ == 10) {
+          metricSpecCase_ = 0;
+          metricSpec_ = null;
+        }
+        llmBasedMetricSpecBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for an LLM based metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.LLMBasedMetricSpec llm_based_metric_spec = 10;</code>
+     */
+    public com.google.cloud.aiplatform.v1.LLMBasedMetricSpec.Builder
+        getLlmBasedMetricSpecBuilder() {
+      return internalGetLlmBasedMetricSpecFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for an LLM based metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.LLMBasedMetricSpec llm_based_metric_spec = 10;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.LLMBasedMetricSpecOrBuilder
+        getLlmBasedMetricSpecOrBuilder() {
+      if ((metricSpecCase_ == 10) && (llmBasedMetricSpecBuilder_ != null)) {
+        return llmBasedMetricSpecBuilder_.getMessageOrBuilder();
+      } else {
+        if (metricSpecCase_ == 10) {
+          return (com.google.cloud.aiplatform.v1.LLMBasedMetricSpec) metricSpec_;
+        }
+        return com.google.cloud.aiplatform.v1.LLMBasedMetricSpec.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for an LLM based metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.LLMBasedMetricSpec llm_based_metric_spec = 10;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.LLMBasedMetricSpec,
+            com.google.cloud.aiplatform.v1.LLMBasedMetricSpec.Builder,
+            com.google.cloud.aiplatform.v1.LLMBasedMetricSpecOrBuilder>
+        internalGetLlmBasedMetricSpecFieldBuilder() {
+      if (llmBasedMetricSpecBuilder_ == null) {
+        if (!(metricSpecCase_ == 10)) {
+          metricSpec_ = com.google.cloud.aiplatform.v1.LLMBasedMetricSpec.getDefaultInstance();
+        }
+        llmBasedMetricSpecBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.LLMBasedMetricSpec,
+                com.google.cloud.aiplatform.v1.LLMBasedMetricSpec.Builder,
+                com.google.cloud.aiplatform.v1.LLMBasedMetricSpecOrBuilder>(
+                (com.google.cloud.aiplatform.v1.LLMBasedMetricSpec) metricSpec_,
+                getParentForChildren(),
+                isClean());
+        metricSpec_ = null;
+      }
+      metricSpecCase_ = 10;
+      onChanged();
+      return llmBasedMetricSpecBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.PointwiseMetricSpec,
+            com.google.cloud.aiplatform.v1.PointwiseMetricSpec.Builder,
+            com.google.cloud.aiplatform.v1.PointwiseMetricSpecOrBuilder>
+        pointwiseMetricSpecBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for pointwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PointwiseMetricSpec pointwise_metric_spec = 2;</code>
+     *
+     * @return Whether the pointwiseMetricSpec field is set.
+     */
+    @java.lang.Override
+    public boolean hasPointwiseMetricSpec() {
+      return metricSpecCase_ == 2;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for pointwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PointwiseMetricSpec pointwise_metric_spec = 2;</code>
+     *
+     * @return The pointwiseMetricSpec.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.PointwiseMetricSpec getPointwiseMetricSpec() {
+      if (pointwiseMetricSpecBuilder_ == null) {
+        if (metricSpecCase_ == 2) {
+          return (com.google.cloud.aiplatform.v1.PointwiseMetricSpec) metricSpec_;
+        }
+        return com.google.cloud.aiplatform.v1.PointwiseMetricSpec.getDefaultInstance();
+      } else {
+        if (metricSpecCase_ == 2) {
+          return pointwiseMetricSpecBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.PointwiseMetricSpec.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for pointwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PointwiseMetricSpec pointwise_metric_spec = 2;</code>
+     */
+    public Builder setPointwiseMetricSpec(
+        com.google.cloud.aiplatform.v1.PointwiseMetricSpec value) {
+      if (pointwiseMetricSpecBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        metricSpec_ = value;
+        onChanged();
+      } else {
+        pointwiseMetricSpecBuilder_.setMessage(value);
+      }
+      metricSpecCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for pointwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PointwiseMetricSpec pointwise_metric_spec = 2;</code>
+     */
+    public Builder setPointwiseMetricSpec(
+        com.google.cloud.aiplatform.v1.PointwiseMetricSpec.Builder builderForValue) {
+      if (pointwiseMetricSpecBuilder_ == null) {
+        metricSpec_ = builderForValue.build();
+        onChanged();
+      } else {
+        pointwiseMetricSpecBuilder_.setMessage(builderForValue.build());
+      }
+      metricSpecCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for pointwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PointwiseMetricSpec pointwise_metric_spec = 2;</code>
+     */
+    public Builder mergePointwiseMetricSpec(
+        com.google.cloud.aiplatform.v1.PointwiseMetricSpec value) {
+      if (pointwiseMetricSpecBuilder_ == null) {
+        if (metricSpecCase_ == 2
+            && metricSpec_
+                != com.google.cloud.aiplatform.v1.PointwiseMetricSpec.getDefaultInstance()) {
+          metricSpec_ =
+              com.google.cloud.aiplatform.v1.PointwiseMetricSpec.newBuilder(
+                      (com.google.cloud.aiplatform.v1.PointwiseMetricSpec) metricSpec_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          metricSpec_ = value;
+        }
+        onChanged();
+      } else {
+        if (metricSpecCase_ == 2) {
+          pointwiseMetricSpecBuilder_.mergeFrom(value);
+        } else {
+          pointwiseMetricSpecBuilder_.setMessage(value);
+        }
+      }
+      metricSpecCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for pointwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PointwiseMetricSpec pointwise_metric_spec = 2;</code>
+     */
+    public Builder clearPointwiseMetricSpec() {
+      if (pointwiseMetricSpecBuilder_ == null) {
+        if (metricSpecCase_ == 2) {
+          metricSpecCase_ = 0;
+          metricSpec_ = null;
+          onChanged();
+        }
+      } else {
+        if (metricSpecCase_ == 2) {
+          metricSpecCase_ = 0;
+          metricSpec_ = null;
+        }
+        pointwiseMetricSpecBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for pointwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PointwiseMetricSpec pointwise_metric_spec = 2;</code>
+     */
+    public com.google.cloud.aiplatform.v1.PointwiseMetricSpec.Builder
+        getPointwiseMetricSpecBuilder() {
+      return internalGetPointwiseMetricSpecFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for pointwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PointwiseMetricSpec pointwise_metric_spec = 2;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.PointwiseMetricSpecOrBuilder
+        getPointwiseMetricSpecOrBuilder() {
+      if ((metricSpecCase_ == 2) && (pointwiseMetricSpecBuilder_ != null)) {
+        return pointwiseMetricSpecBuilder_.getMessageOrBuilder();
+      } else {
+        if (metricSpecCase_ == 2) {
+          return (com.google.cloud.aiplatform.v1.PointwiseMetricSpec) metricSpec_;
+        }
+        return com.google.cloud.aiplatform.v1.PointwiseMetricSpec.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for pointwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PointwiseMetricSpec pointwise_metric_spec = 2;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.PointwiseMetricSpec,
+            com.google.cloud.aiplatform.v1.PointwiseMetricSpec.Builder,
+            com.google.cloud.aiplatform.v1.PointwiseMetricSpecOrBuilder>
+        internalGetPointwiseMetricSpecFieldBuilder() {
+      if (pointwiseMetricSpecBuilder_ == null) {
+        if (!(metricSpecCase_ == 2)) {
+          metricSpec_ = com.google.cloud.aiplatform.v1.PointwiseMetricSpec.getDefaultInstance();
+        }
+        pointwiseMetricSpecBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.PointwiseMetricSpec,
+                com.google.cloud.aiplatform.v1.PointwiseMetricSpec.Builder,
+                com.google.cloud.aiplatform.v1.PointwiseMetricSpecOrBuilder>(
+                (com.google.cloud.aiplatform.v1.PointwiseMetricSpec) metricSpec_,
+                getParentForChildren(),
+                isClean());
+        metricSpec_ = null;
+      }
+      metricSpecCase_ = 2;
+      onChanged();
+      return pointwiseMetricSpecBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.PairwiseMetricSpec,
+            com.google.cloud.aiplatform.v1.PairwiseMetricSpec.Builder,
+            com.google.cloud.aiplatform.v1.PairwiseMetricSpecOrBuilder>
+        pairwiseMetricSpecBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for pairwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PairwiseMetricSpec pairwise_metric_spec = 3;</code>
+     *
+     * @return Whether the pairwiseMetricSpec field is set.
+     */
+    @java.lang.Override
+    public boolean hasPairwiseMetricSpec() {
+      return metricSpecCase_ == 3;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for pairwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PairwiseMetricSpec pairwise_metric_spec = 3;</code>
+     *
+     * @return The pairwiseMetricSpec.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.PairwiseMetricSpec getPairwiseMetricSpec() {
+      if (pairwiseMetricSpecBuilder_ == null) {
+        if (metricSpecCase_ == 3) {
+          return (com.google.cloud.aiplatform.v1.PairwiseMetricSpec) metricSpec_;
+        }
+        return com.google.cloud.aiplatform.v1.PairwiseMetricSpec.getDefaultInstance();
+      } else {
+        if (metricSpecCase_ == 3) {
+          return pairwiseMetricSpecBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.PairwiseMetricSpec.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for pairwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PairwiseMetricSpec pairwise_metric_spec = 3;</code>
+     */
+    public Builder setPairwiseMetricSpec(com.google.cloud.aiplatform.v1.PairwiseMetricSpec value) {
+      if (pairwiseMetricSpecBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        metricSpec_ = value;
+        onChanged();
+      } else {
+        pairwiseMetricSpecBuilder_.setMessage(value);
+      }
+      metricSpecCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for pairwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PairwiseMetricSpec pairwise_metric_spec = 3;</code>
+     */
+    public Builder setPairwiseMetricSpec(
+        com.google.cloud.aiplatform.v1.PairwiseMetricSpec.Builder builderForValue) {
+      if (pairwiseMetricSpecBuilder_ == null) {
+        metricSpec_ = builderForValue.build();
+        onChanged();
+      } else {
+        pairwiseMetricSpecBuilder_.setMessage(builderForValue.build());
+      }
+      metricSpecCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for pairwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PairwiseMetricSpec pairwise_metric_spec = 3;</code>
+     */
+    public Builder mergePairwiseMetricSpec(
+        com.google.cloud.aiplatform.v1.PairwiseMetricSpec value) {
+      if (pairwiseMetricSpecBuilder_ == null) {
+        if (metricSpecCase_ == 3
+            && metricSpec_
+                != com.google.cloud.aiplatform.v1.PairwiseMetricSpec.getDefaultInstance()) {
+          metricSpec_ =
+              com.google.cloud.aiplatform.v1.PairwiseMetricSpec.newBuilder(
+                      (com.google.cloud.aiplatform.v1.PairwiseMetricSpec) metricSpec_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          metricSpec_ = value;
+        }
+        onChanged();
+      } else {
+        if (metricSpecCase_ == 3) {
+          pairwiseMetricSpecBuilder_.mergeFrom(value);
+        } else {
+          pairwiseMetricSpecBuilder_.setMessage(value);
+        }
+      }
+      metricSpecCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for pairwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PairwiseMetricSpec pairwise_metric_spec = 3;</code>
+     */
+    public Builder clearPairwiseMetricSpec() {
+      if (pairwiseMetricSpecBuilder_ == null) {
+        if (metricSpecCase_ == 3) {
+          metricSpecCase_ = 0;
+          metricSpec_ = null;
+          onChanged();
+        }
+      } else {
+        if (metricSpecCase_ == 3) {
+          metricSpecCase_ = 0;
+          metricSpec_ = null;
+        }
+        pairwiseMetricSpecBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for pairwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PairwiseMetricSpec pairwise_metric_spec = 3;</code>
+     */
+    public com.google.cloud.aiplatform.v1.PairwiseMetricSpec.Builder
+        getPairwiseMetricSpecBuilder() {
+      return internalGetPairwiseMetricSpecFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for pairwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PairwiseMetricSpec pairwise_metric_spec = 3;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.PairwiseMetricSpecOrBuilder
+        getPairwiseMetricSpecOrBuilder() {
+      if ((metricSpecCase_ == 3) && (pairwiseMetricSpecBuilder_ != null)) {
+        return pairwiseMetricSpecBuilder_.getMessageOrBuilder();
+      } else {
+        if (metricSpecCase_ == 3) {
+          return (com.google.cloud.aiplatform.v1.PairwiseMetricSpec) metricSpec_;
+        }
+        return com.google.cloud.aiplatform.v1.PairwiseMetricSpec.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for pairwise metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.PairwiseMetricSpec pairwise_metric_spec = 3;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.PairwiseMetricSpec,
+            com.google.cloud.aiplatform.v1.PairwiseMetricSpec.Builder,
+            com.google.cloud.aiplatform.v1.PairwiseMetricSpecOrBuilder>
+        internalGetPairwiseMetricSpecFieldBuilder() {
+      if (pairwiseMetricSpecBuilder_ == null) {
+        if (!(metricSpecCase_ == 3)) {
+          metricSpec_ = com.google.cloud.aiplatform.v1.PairwiseMetricSpec.getDefaultInstance();
+        }
+        pairwiseMetricSpecBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.PairwiseMetricSpec,
+                com.google.cloud.aiplatform.v1.PairwiseMetricSpec.Builder,
+                com.google.cloud.aiplatform.v1.PairwiseMetricSpecOrBuilder>(
+                (com.google.cloud.aiplatform.v1.PairwiseMetricSpec) metricSpec_,
+                getParentForChildren(),
+                isClean());
+        metricSpec_ = null;
+      }
+      metricSpecCase_ = 3;
+      onChanged();
+      return pairwiseMetricSpecBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.ExactMatchSpec,
+            com.google.cloud.aiplatform.v1.ExactMatchSpec.Builder,
+            com.google.cloud.aiplatform.v1.ExactMatchSpecOrBuilder>
+        exactMatchSpecBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for exact match metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ExactMatchSpec exact_match_spec = 4;</code>
+     *
+     * @return Whether the exactMatchSpec field is set.
+     */
+    @java.lang.Override
+    public boolean hasExactMatchSpec() {
+      return metricSpecCase_ == 4;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for exact match metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ExactMatchSpec exact_match_spec = 4;</code>
+     *
+     * @return The exactMatchSpec.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ExactMatchSpec getExactMatchSpec() {
+      if (exactMatchSpecBuilder_ == null) {
+        if (metricSpecCase_ == 4) {
+          return (com.google.cloud.aiplatform.v1.ExactMatchSpec) metricSpec_;
+        }
+        return com.google.cloud.aiplatform.v1.ExactMatchSpec.getDefaultInstance();
+      } else {
+        if (metricSpecCase_ == 4) {
+          return exactMatchSpecBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.ExactMatchSpec.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for exact match metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ExactMatchSpec exact_match_spec = 4;</code>
+     */
+    public Builder setExactMatchSpec(com.google.cloud.aiplatform.v1.ExactMatchSpec value) {
+      if (exactMatchSpecBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        metricSpec_ = value;
+        onChanged();
+      } else {
+        exactMatchSpecBuilder_.setMessage(value);
+      }
+      metricSpecCase_ = 4;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for exact match metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ExactMatchSpec exact_match_spec = 4;</code>
+     */
+    public Builder setExactMatchSpec(
+        com.google.cloud.aiplatform.v1.ExactMatchSpec.Builder builderForValue) {
+      if (exactMatchSpecBuilder_ == null) {
+        metricSpec_ = builderForValue.build();
+        onChanged();
+      } else {
+        exactMatchSpecBuilder_.setMessage(builderForValue.build());
+      }
+      metricSpecCase_ = 4;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for exact match metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ExactMatchSpec exact_match_spec = 4;</code>
+     */
+    public Builder mergeExactMatchSpec(com.google.cloud.aiplatform.v1.ExactMatchSpec value) {
+      if (exactMatchSpecBuilder_ == null) {
+        if (metricSpecCase_ == 4
+            && metricSpec_ != com.google.cloud.aiplatform.v1.ExactMatchSpec.getDefaultInstance()) {
+          metricSpec_ =
+              com.google.cloud.aiplatform.v1.ExactMatchSpec.newBuilder(
+                      (com.google.cloud.aiplatform.v1.ExactMatchSpec) metricSpec_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          metricSpec_ = value;
+        }
+        onChanged();
+      } else {
+        if (metricSpecCase_ == 4) {
+          exactMatchSpecBuilder_.mergeFrom(value);
+        } else {
+          exactMatchSpecBuilder_.setMessage(value);
+        }
+      }
+      metricSpecCase_ = 4;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for exact match metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ExactMatchSpec exact_match_spec = 4;</code>
+     */
+    public Builder clearExactMatchSpec() {
+      if (exactMatchSpecBuilder_ == null) {
+        if (metricSpecCase_ == 4) {
+          metricSpecCase_ = 0;
+          metricSpec_ = null;
+          onChanged();
+        }
+      } else {
+        if (metricSpecCase_ == 4) {
+          metricSpecCase_ = 0;
+          metricSpec_ = null;
+        }
+        exactMatchSpecBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for exact match metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ExactMatchSpec exact_match_spec = 4;</code>
+     */
+    public com.google.cloud.aiplatform.v1.ExactMatchSpec.Builder getExactMatchSpecBuilder() {
+      return internalGetExactMatchSpecFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for exact match metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ExactMatchSpec exact_match_spec = 4;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ExactMatchSpecOrBuilder getExactMatchSpecOrBuilder() {
+      if ((metricSpecCase_ == 4) && (exactMatchSpecBuilder_ != null)) {
+        return exactMatchSpecBuilder_.getMessageOrBuilder();
+      } else {
+        if (metricSpecCase_ == 4) {
+          return (com.google.cloud.aiplatform.v1.ExactMatchSpec) metricSpec_;
+        }
+        return com.google.cloud.aiplatform.v1.ExactMatchSpec.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for exact match metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ExactMatchSpec exact_match_spec = 4;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.ExactMatchSpec,
+            com.google.cloud.aiplatform.v1.ExactMatchSpec.Builder,
+            com.google.cloud.aiplatform.v1.ExactMatchSpecOrBuilder>
+        internalGetExactMatchSpecFieldBuilder() {
+      if (exactMatchSpecBuilder_ == null) {
+        if (!(metricSpecCase_ == 4)) {
+          metricSpec_ = com.google.cloud.aiplatform.v1.ExactMatchSpec.getDefaultInstance();
+        }
+        exactMatchSpecBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.ExactMatchSpec,
+                com.google.cloud.aiplatform.v1.ExactMatchSpec.Builder,
+                com.google.cloud.aiplatform.v1.ExactMatchSpecOrBuilder>(
+                (com.google.cloud.aiplatform.v1.ExactMatchSpec) metricSpec_,
+                getParentForChildren(),
+                isClean());
+        metricSpec_ = null;
+      }
+      metricSpecCase_ = 4;
+      onChanged();
+      return exactMatchSpecBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.BleuSpec,
+            com.google.cloud.aiplatform.v1.BleuSpec.Builder,
+            com.google.cloud.aiplatform.v1.BleuSpecOrBuilder>
+        bleuSpecBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for bleu metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BleuSpec bleu_spec = 5;</code>
+     *
+     * @return Whether the bleuSpec field is set.
+     */
+    @java.lang.Override
+    public boolean hasBleuSpec() {
+      return metricSpecCase_ == 5;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for bleu metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BleuSpec bleu_spec = 5;</code>
+     *
+     * @return The bleuSpec.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.BleuSpec getBleuSpec() {
+      if (bleuSpecBuilder_ == null) {
+        if (metricSpecCase_ == 5) {
+          return (com.google.cloud.aiplatform.v1.BleuSpec) metricSpec_;
+        }
+        return com.google.cloud.aiplatform.v1.BleuSpec.getDefaultInstance();
+      } else {
+        if (metricSpecCase_ == 5) {
+          return bleuSpecBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.BleuSpec.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for bleu metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BleuSpec bleu_spec = 5;</code>
+     */
+    public Builder setBleuSpec(com.google.cloud.aiplatform.v1.BleuSpec value) {
+      if (bleuSpecBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        metricSpec_ = value;
+        onChanged();
+      } else {
+        bleuSpecBuilder_.setMessage(value);
+      }
+      metricSpecCase_ = 5;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for bleu metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BleuSpec bleu_spec = 5;</code>
+     */
+    public Builder setBleuSpec(com.google.cloud.aiplatform.v1.BleuSpec.Builder builderForValue) {
+      if (bleuSpecBuilder_ == null) {
+        metricSpec_ = builderForValue.build();
+        onChanged();
+      } else {
+        bleuSpecBuilder_.setMessage(builderForValue.build());
+      }
+      metricSpecCase_ = 5;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for bleu metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BleuSpec bleu_spec = 5;</code>
+     */
+    public Builder mergeBleuSpec(com.google.cloud.aiplatform.v1.BleuSpec value) {
+      if (bleuSpecBuilder_ == null) {
+        if (metricSpecCase_ == 5
+            && metricSpec_ != com.google.cloud.aiplatform.v1.BleuSpec.getDefaultInstance()) {
+          metricSpec_ =
+              com.google.cloud.aiplatform.v1.BleuSpec.newBuilder(
+                      (com.google.cloud.aiplatform.v1.BleuSpec) metricSpec_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          metricSpec_ = value;
+        }
+        onChanged();
+      } else {
+        if (metricSpecCase_ == 5) {
+          bleuSpecBuilder_.mergeFrom(value);
+        } else {
+          bleuSpecBuilder_.setMessage(value);
+        }
+      }
+      metricSpecCase_ = 5;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for bleu metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BleuSpec bleu_spec = 5;</code>
+     */
+    public Builder clearBleuSpec() {
+      if (bleuSpecBuilder_ == null) {
+        if (metricSpecCase_ == 5) {
+          metricSpecCase_ = 0;
+          metricSpec_ = null;
+          onChanged();
+        }
+      } else {
+        if (metricSpecCase_ == 5) {
+          metricSpecCase_ = 0;
+          metricSpec_ = null;
+        }
+        bleuSpecBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for bleu metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BleuSpec bleu_spec = 5;</code>
+     */
+    public com.google.cloud.aiplatform.v1.BleuSpec.Builder getBleuSpecBuilder() {
+      return internalGetBleuSpecFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for bleu metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BleuSpec bleu_spec = 5;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.BleuSpecOrBuilder getBleuSpecOrBuilder() {
+      if ((metricSpecCase_ == 5) && (bleuSpecBuilder_ != null)) {
+        return bleuSpecBuilder_.getMessageOrBuilder();
+      } else {
+        if (metricSpecCase_ == 5) {
+          return (com.google.cloud.aiplatform.v1.BleuSpec) metricSpec_;
+        }
+        return com.google.cloud.aiplatform.v1.BleuSpec.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for bleu metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.BleuSpec bleu_spec = 5;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.BleuSpec,
+            com.google.cloud.aiplatform.v1.BleuSpec.Builder,
+            com.google.cloud.aiplatform.v1.BleuSpecOrBuilder>
+        internalGetBleuSpecFieldBuilder() {
+      if (bleuSpecBuilder_ == null) {
+        if (!(metricSpecCase_ == 5)) {
+          metricSpec_ = com.google.cloud.aiplatform.v1.BleuSpec.getDefaultInstance();
+        }
+        bleuSpecBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.BleuSpec,
+                com.google.cloud.aiplatform.v1.BleuSpec.Builder,
+                com.google.cloud.aiplatform.v1.BleuSpecOrBuilder>(
+                (com.google.cloud.aiplatform.v1.BleuSpec) metricSpec_,
+                getParentForChildren(),
+                isClean());
+        metricSpec_ = null;
+      }
+      metricSpecCase_ = 5;
+      onChanged();
+      return bleuSpecBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.RougeSpec,
+            com.google.cloud.aiplatform.v1.RougeSpec.Builder,
+            com.google.cloud.aiplatform.v1.RougeSpecOrBuilder>
+        rougeSpecBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for rouge metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.RougeSpec rouge_spec = 6;</code>
+     *
+     * @return Whether the rougeSpec field is set.
+     */
+    @java.lang.Override
+    public boolean hasRougeSpec() {
+      return metricSpecCase_ == 6;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for rouge metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.RougeSpec rouge_spec = 6;</code>
+     *
+     * @return The rougeSpec.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.RougeSpec getRougeSpec() {
+      if (rougeSpecBuilder_ == null) {
+        if (metricSpecCase_ == 6) {
+          return (com.google.cloud.aiplatform.v1.RougeSpec) metricSpec_;
+        }
+        return com.google.cloud.aiplatform.v1.RougeSpec.getDefaultInstance();
+      } else {
+        if (metricSpecCase_ == 6) {
+          return rougeSpecBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.RougeSpec.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for rouge metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.RougeSpec rouge_spec = 6;</code>
+     */
+    public Builder setRougeSpec(com.google.cloud.aiplatform.v1.RougeSpec value) {
+      if (rougeSpecBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        metricSpec_ = value;
+        onChanged();
+      } else {
+        rougeSpecBuilder_.setMessage(value);
+      }
+      metricSpecCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for rouge metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.RougeSpec rouge_spec = 6;</code>
+     */
+    public Builder setRougeSpec(com.google.cloud.aiplatform.v1.RougeSpec.Builder builderForValue) {
+      if (rougeSpecBuilder_ == null) {
+        metricSpec_ = builderForValue.build();
+        onChanged();
+      } else {
+        rougeSpecBuilder_.setMessage(builderForValue.build());
+      }
+      metricSpecCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for rouge metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.RougeSpec rouge_spec = 6;</code>
+     */
+    public Builder mergeRougeSpec(com.google.cloud.aiplatform.v1.RougeSpec value) {
+      if (rougeSpecBuilder_ == null) {
+        if (metricSpecCase_ == 6
+            && metricSpec_ != com.google.cloud.aiplatform.v1.RougeSpec.getDefaultInstance()) {
+          metricSpec_ =
+              com.google.cloud.aiplatform.v1.RougeSpec.newBuilder(
+                      (com.google.cloud.aiplatform.v1.RougeSpec) metricSpec_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          metricSpec_ = value;
+        }
+        onChanged();
+      } else {
+        if (metricSpecCase_ == 6) {
+          rougeSpecBuilder_.mergeFrom(value);
+        } else {
+          rougeSpecBuilder_.setMessage(value);
+        }
+      }
+      metricSpecCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for rouge metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.RougeSpec rouge_spec = 6;</code>
+     */
+    public Builder clearRougeSpec() {
+      if (rougeSpecBuilder_ == null) {
+        if (metricSpecCase_ == 6) {
+          metricSpecCase_ = 0;
+          metricSpec_ = null;
+          onChanged();
+        }
+      } else {
+        if (metricSpecCase_ == 6) {
+          metricSpecCase_ = 0;
+          metricSpec_ = null;
+        }
+        rougeSpecBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for rouge metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.RougeSpec rouge_spec = 6;</code>
+     */
+    public com.google.cloud.aiplatform.v1.RougeSpec.Builder getRougeSpecBuilder() {
+      return internalGetRougeSpecFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for rouge metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.RougeSpec rouge_spec = 6;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.RougeSpecOrBuilder getRougeSpecOrBuilder() {
+      if ((metricSpecCase_ == 6) && (rougeSpecBuilder_ != null)) {
+        return rougeSpecBuilder_.getMessageOrBuilder();
+      } else {
+        if (metricSpecCase_ == 6) {
+          return (com.google.cloud.aiplatform.v1.RougeSpec) metricSpec_;
+        }
+        return com.google.cloud.aiplatform.v1.RougeSpec.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Spec for rouge metric.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.RougeSpec rouge_spec = 6;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.RougeSpec,
+            com.google.cloud.aiplatform.v1.RougeSpec.Builder,
+            com.google.cloud.aiplatform.v1.RougeSpecOrBuilder>
+        internalGetRougeSpecFieldBuilder() {
+      if (rougeSpecBuilder_ == null) {
+        if (!(metricSpecCase_ == 6)) {
+          metricSpec_ = com.google.cloud.aiplatform.v1.RougeSpec.getDefaultInstance();
+        }
+        rougeSpecBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.RougeSpec,
+                com.google.cloud.aiplatform.v1.RougeSpec.Builder,
+                com.google.cloud.aiplatform.v1.RougeSpecOrBuilder>(
+                (com.google.cloud.aiplatform.v1.RougeSpec) metricSpec_,
+                getParentForChildren(),
+                isClean());
+        metricSpec_ = null;
+      }
+      metricSpecCase_ = 6;
+      onChanged();
+      return rougeSpecBuilder_;
+    }
+
+    private com.google.protobuf.Internal.IntList aggregationMetrics_ = emptyIntList();
+
+    private void ensureAggregationMetricsIsMutable() {
+      if (!aggregationMetrics_.isModifiable()) {
+        aggregationMetrics_ = makeMutableCopy(aggregationMetrics_);
+      }
+      bitField0_ |= 0x00000100;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The aggregation metrics to use.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return A list containing the aggregationMetrics.
+     */
+    public java.util.List<com.google.cloud.aiplatform.v1.Metric.AggregationMetric>
+        getAggregationMetricsList() {
+      return new com.google.protobuf.Internal.IntListAdapter<
+          com.google.cloud.aiplatform.v1.Metric.AggregationMetric>(
+          aggregationMetrics_, aggregationMetrics_converter_);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The aggregation metrics to use.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The count of aggregationMetrics.
+     */
+    public int getAggregationMetricsCount() {
+      return aggregationMetrics_.size();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The aggregation metrics to use.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the element to return.
+     * @return The aggregationMetrics at the given index.
+     */
+    public com.google.cloud.aiplatform.v1.Metric.AggregationMetric getAggregationMetrics(
+        int index) {
+      return aggregationMetrics_converter_.convert(aggregationMetrics_.getInt(index));
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The aggregation metrics to use.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index to set the value at.
+     * @param value The aggregationMetrics to set.
+     * @return This builder for chaining.
+     */
+    public Builder setAggregationMetrics(
+        int index, com.google.cloud.aiplatform.v1.Metric.AggregationMetric value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      ensureAggregationMetricsIsMutable();
+      aggregationMetrics_.setInt(index, value.getNumber());
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The aggregation metrics to use.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The aggregationMetrics to add.
+     * @return This builder for chaining.
+     */
+    public Builder addAggregationMetrics(
+        com.google.cloud.aiplatform.v1.Metric.AggregationMetric value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      ensureAggregationMetricsIsMutable();
+      aggregationMetrics_.addInt(value.getNumber());
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The aggregation metrics to use.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param values The aggregationMetrics to add.
+     * @return This builder for chaining.
+     */
+    public Builder addAllAggregationMetrics(
+        java.lang.Iterable<? extends com.google.cloud.aiplatform.v1.Metric.AggregationMetric>
+            values) {
+      ensureAggregationMetricsIsMutable();
+      for (com.google.cloud.aiplatform.v1.Metric.AggregationMetric value : values) {
+        aggregationMetrics_.addInt(value.getNumber());
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The aggregation metrics to use.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearAggregationMetrics() {
+      aggregationMetrics_ = emptyIntList();
+      bitField0_ = (bitField0_ & ~0x00000100);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The aggregation metrics to use.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return A list containing the enum numeric values on the wire for aggregationMetrics.
+     */
+    public java.util.List<java.lang.Integer> getAggregationMetricsValueList() {
+      aggregationMetrics_.makeImmutable();
+      return aggregationMetrics_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The aggregation metrics to use.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the value to return.
+     * @return The enum numeric value on the wire of aggregationMetrics at the given index.
+     */
+    public int getAggregationMetricsValue(int index) {
+      return aggregationMetrics_.getInt(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The aggregation metrics to use.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index to set the value at.
+     * @param value The enum numeric value on the wire for aggregationMetrics to set.
+     * @return This builder for chaining.
+     */
+    public Builder setAggregationMetricsValue(int index, int value) {
+      ensureAggregationMetricsIsMutable();
+      aggregationMetrics_.setInt(index, value);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The aggregation metrics to use.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The enum numeric value on the wire for aggregationMetrics to add.
+     * @return This builder for chaining.
+     */
+    public Builder addAggregationMetricsValue(int value) {
+      ensureAggregationMetricsIsMutable();
+      aggregationMetrics_.addInt(value);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The aggregation metrics to use.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param values The enum numeric values on the wire for aggregationMetrics to add.
+     * @return This builder for chaining.
+     */
+    public Builder addAllAggregationMetricsValue(java.lang.Iterable<java.lang.Integer> values) {
+      ensureAggregationMetricsIsMutable();
+      for (int value : values) {
+        aggregationMetrics_.addInt(value);
+      }
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.Metric)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.aiplatform.v1.Metric)
+  private static final com.google.cloud.aiplatform.v1.Metric DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.aiplatform.v1.Metric();
+  }
+
+  public static com.google.cloud.aiplatform.v1.Metric getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<Metric> PARSER =
+      new com.google.protobuf.AbstractParser<Metric>() {
+        @java.lang.Override
+        public Metric parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<Metric> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<Metric> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.Metric getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/MetricOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/MetricOrBuilder.java
new file mode 100644
index 000000000000..1bb50e2df9dc
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/MetricOrBuilder.java
@@ -0,0 +1,408 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+@com.google.protobuf.Generated
+public interface MetricOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.aiplatform.v1.Metric)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The spec for a pre-defined metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_metric_spec = 8;</code>
+   *
+   * @return Whether the predefinedMetricSpec field is set.
+   */
+  boolean hasPredefinedMetricSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * The spec for a pre-defined metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_metric_spec = 8;</code>
+   *
+   * @return The predefinedMetricSpec.
+   */
+  com.google.cloud.aiplatform.v1.PredefinedMetricSpec getPredefinedMetricSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * The spec for a pre-defined metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PredefinedMetricSpec predefined_metric_spec = 8;</code>
+   */
+  com.google.cloud.aiplatform.v1.PredefinedMetricSpecOrBuilder getPredefinedMetricSpecOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for a computation based metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ComputationBasedMetricSpec computation_based_metric_spec = 9;
+   * </code>
+   *
+   * @return Whether the computationBasedMetricSpec field is set.
+   */
+  boolean hasComputationBasedMetricSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for a computation based metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ComputationBasedMetricSpec computation_based_metric_spec = 9;
+   * </code>
+   *
+   * @return The computationBasedMetricSpec.
+   */
+  com.google.cloud.aiplatform.v1.ComputationBasedMetricSpec getComputationBasedMetricSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for a computation based metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ComputationBasedMetricSpec computation_based_metric_spec = 9;
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.ComputationBasedMetricSpecOrBuilder
+      getComputationBasedMetricSpecOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for an LLM based metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.LLMBasedMetricSpec llm_based_metric_spec = 10;</code>
+   *
+   * @return Whether the llmBasedMetricSpec field is set.
+   */
+  boolean hasLlmBasedMetricSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for an LLM based metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.LLMBasedMetricSpec llm_based_metric_spec = 10;</code>
+   *
+   * @return The llmBasedMetricSpec.
+   */
+  com.google.cloud.aiplatform.v1.LLMBasedMetricSpec getLlmBasedMetricSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for an LLM based metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.LLMBasedMetricSpec llm_based_metric_spec = 10;</code>
+   */
+  com.google.cloud.aiplatform.v1.LLMBasedMetricSpecOrBuilder getLlmBasedMetricSpecOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for pointwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PointwiseMetricSpec pointwise_metric_spec = 2;</code>
+   *
+   * @return Whether the pointwiseMetricSpec field is set.
+   */
+  boolean hasPointwiseMetricSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for pointwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PointwiseMetricSpec pointwise_metric_spec = 2;</code>
+   *
+   * @return The pointwiseMetricSpec.
+   */
+  com.google.cloud.aiplatform.v1.PointwiseMetricSpec getPointwiseMetricSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for pointwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PointwiseMetricSpec pointwise_metric_spec = 2;</code>
+   */
+  com.google.cloud.aiplatform.v1.PointwiseMetricSpecOrBuilder getPointwiseMetricSpecOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for pairwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PairwiseMetricSpec pairwise_metric_spec = 3;</code>
+   *
+   * @return Whether the pairwiseMetricSpec field is set.
+   */
+  boolean hasPairwiseMetricSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for pairwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PairwiseMetricSpec pairwise_metric_spec = 3;</code>
+   *
+   * @return The pairwiseMetricSpec.
+   */
+  com.google.cloud.aiplatform.v1.PairwiseMetricSpec getPairwiseMetricSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for pairwise metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.PairwiseMetricSpec pairwise_metric_spec = 3;</code>
+   */
+  com.google.cloud.aiplatform.v1.PairwiseMetricSpecOrBuilder getPairwiseMetricSpecOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for exact match metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ExactMatchSpec exact_match_spec = 4;</code>
+   *
+   * @return Whether the exactMatchSpec field is set.
+   */
+  boolean hasExactMatchSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for exact match metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ExactMatchSpec exact_match_spec = 4;</code>
+   *
+   * @return The exactMatchSpec.
+   */
+  com.google.cloud.aiplatform.v1.ExactMatchSpec getExactMatchSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for exact match metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ExactMatchSpec exact_match_spec = 4;</code>
+   */
+  com.google.cloud.aiplatform.v1.ExactMatchSpecOrBuilder getExactMatchSpecOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for bleu metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.BleuSpec bleu_spec = 5;</code>
+   *
+   * @return Whether the bleuSpec field is set.
+   */
+  boolean hasBleuSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for bleu metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.BleuSpec bleu_spec = 5;</code>
+   *
+   * @return The bleuSpec.
+   */
+  com.google.cloud.aiplatform.v1.BleuSpec getBleuSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for bleu metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.BleuSpec bleu_spec = 5;</code>
+   */
+  com.google.cloud.aiplatform.v1.BleuSpecOrBuilder getBleuSpecOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for rouge metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.RougeSpec rouge_spec = 6;</code>
+   *
+   * @return Whether the rougeSpec field is set.
+   */
+  boolean hasRougeSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for rouge metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.RougeSpec rouge_spec = 6;</code>
+   *
+   * @return The rougeSpec.
+   */
+  com.google.cloud.aiplatform.v1.RougeSpec getRougeSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Spec for rouge metric.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.RougeSpec rouge_spec = 6;</code>
+   */
+  com.google.cloud.aiplatform.v1.RougeSpecOrBuilder getRougeSpecOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The aggregation metrics to use.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return A list containing the aggregationMetrics.
+   */
+  java.util.List<com.google.cloud.aiplatform.v1.Metric.AggregationMetric>
+      getAggregationMetricsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The aggregation metrics to use.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The count of aggregationMetrics.
+   */
+  int getAggregationMetricsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The aggregation metrics to use.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @param index The index of the element to return.
+   * @return The aggregationMetrics at the given index.
+   */
+  com.google.cloud.aiplatform.v1.Metric.AggregationMetric getAggregationMetrics(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The aggregation metrics to use.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return A list containing the enum numeric values on the wire for aggregationMetrics.
+   */
+  java.util.List<java.lang.Integer> getAggregationMetricsValueList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The aggregation metrics to use.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.Metric.AggregationMetric aggregation_metrics = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @param index The index of the value to return.
+   * @return The enum numeric value on the wire of aggregationMetrics at the given index.
+   */
+  int getAggregationMetricsValue(int index);
+
+  com.google.cloud.aiplatform.v1.Metric.MetricSpecCase getMetricSpecCase();
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/MetricResult.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/MetricResult.java
new file mode 100644
index 000000000000..67afce8ca513
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/MetricResult.java
@@ -0,0 +1,1064 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Result for a single metric on a single instance.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.aiplatform.v1.MetricResult}
+ */
+@com.google.protobuf.Generated
+public final class MetricResult extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.aiplatform.v1.MetricResult)
+    MetricResultOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "MetricResult");
+  }
+
+  // Use MetricResult.newBuilder() to construct.
+  private MetricResult(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private MetricResult() {
+    explanation_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_MetricResult_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_MetricResult_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.aiplatform.v1.MetricResult.class,
+            com.google.cloud.aiplatform.v1.MetricResult.Builder.class);
+  }
+
+  private int bitField0_;
+  public static final int SCORE_FIELD_NUMBER = 1;
+  private float score_ = 0F;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The score for the metric.
+   * Please refer to each metric's documentation for the meaning of the score.
+   * </pre>
+   *
+   * <code>optional float score = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return Whether the score field is set.
+   */
+  @java.lang.Override
+  public boolean hasScore() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The score for the metric.
+   * Please refer to each metric's documentation for the meaning of the score.
+   * </pre>
+   *
+   * <code>optional float score = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The score.
+   */
+  @java.lang.Override
+  public float getScore() {
+    return score_;
+  }
+
+  public static final int EXPLANATION_FIELD_NUMBER = 3;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object explanation_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The explanation for the metric result.
+   * </pre>
+   *
+   * <code>optional string explanation = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return Whether the explanation field is set.
+   */
+  @java.lang.Override
+  public boolean hasExplanation() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The explanation for the metric result.
+   * </pre>
+   *
+   * <code>optional string explanation = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The explanation.
+   */
+  @java.lang.Override
+  public java.lang.String getExplanation() {
+    java.lang.Object ref = explanation_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      explanation_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The explanation for the metric result.
+   * </pre>
+   *
+   * <code>optional string explanation = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for explanation.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getExplanationBytes() {
+    java.lang.Object ref = explanation_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      explanation_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int ERROR_FIELD_NUMBER = 4;
+  private com.google.rpc.Status error_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The error status for the metric result.
+   * </pre>
+   *
+   * <code>optional .google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the error field is set.
+   */
+  @java.lang.Override
+  public boolean hasError() {
+    return ((bitField0_ & 0x00000004) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The error status for the metric result.
+   * </pre>
+   *
+   * <code>optional .google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The error.
+   */
+  @java.lang.Override
+  public com.google.rpc.Status getError() {
+    return error_ == null ? com.google.rpc.Status.getDefaultInstance() : error_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The error status for the metric result.
+   * </pre>
+   *
+   * <code>optional .google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.rpc.StatusOrBuilder getErrorOrBuilder() {
+    return error_ == null ? com.google.rpc.Status.getDefaultInstance() : error_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeFloat(1, score_);
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, explanation_);
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      output.writeMessage(4, getError());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeFloatSize(1, score_);
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(3, explanation_);
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, getError());
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.aiplatform.v1.MetricResult)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.aiplatform.v1.MetricResult other =
+        (com.google.cloud.aiplatform.v1.MetricResult) obj;
+
+    if (hasScore() != other.hasScore()) return false;
+    if (hasScore()) {
+      if (java.lang.Float.floatToIntBits(getScore())
+          != java.lang.Float.floatToIntBits(other.getScore())) return false;
+    }
+    if (hasExplanation() != other.hasExplanation()) return false;
+    if (hasExplanation()) {
+      if (!getExplanation().equals(other.getExplanation())) return false;
+    }
+    if (hasError() != other.hasError()) return false;
+    if (hasError()) {
+      if (!getError().equals(other.getError())) return false;
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasScore()) {
+      hash = (37 * hash) + SCORE_FIELD_NUMBER;
+      hash = (53 * hash) + java.lang.Float.floatToIntBits(getScore());
+    }
+    if (hasExplanation()) {
+      hash = (37 * hash) + EXPLANATION_FIELD_NUMBER;
+      hash = (53 * hash) + getExplanation().hashCode();
+    }
+    if (hasError()) {
+      hash = (37 * hash) + ERROR_FIELD_NUMBER;
+      hash = (53 * hash) + getError().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.aiplatform.v1.MetricResult parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.MetricResult parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.MetricResult parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.MetricResult parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.MetricResult parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.MetricResult parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.MetricResult parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.MetricResult parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.MetricResult parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.MetricResult parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.MetricResult parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.MetricResult parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.aiplatform.v1.MetricResult prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Result for a single metric on a single instance.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.aiplatform.v1.MetricResult}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.aiplatform.v1.MetricResult)
+      com.google.cloud.aiplatform.v1.MetricResultOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_MetricResult_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_MetricResult_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.aiplatform.v1.MetricResult.class,
+              com.google.cloud.aiplatform.v1.MetricResult.Builder.class);
+    }
+
+    // Construct using com.google.cloud.aiplatform.v1.MetricResult.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetErrorFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      score_ = 0F;
+      explanation_ = "";
+      error_ = null;
+      if (errorBuilder_ != null) {
+        errorBuilder_.dispose();
+        errorBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_MetricResult_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.MetricResult getDefaultInstanceForType() {
+      return com.google.cloud.aiplatform.v1.MetricResult.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.MetricResult build() {
+      com.google.cloud.aiplatform.v1.MetricResult result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.MetricResult buildPartial() {
+      com.google.cloud.aiplatform.v1.MetricResult result =
+          new com.google.cloud.aiplatform.v1.MetricResult(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.aiplatform.v1.MetricResult result) {
+      int from_bitField0_ = bitField0_;
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.score_ = score_;
+        to_bitField0_ |= 0x00000001;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.explanation_ = explanation_;
+        to_bitField0_ |= 0x00000002;
+      }
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.error_ = errorBuilder_ == null ? error_ : errorBuilder_.build();
+        to_bitField0_ |= 0x00000004;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.aiplatform.v1.MetricResult) {
+        return mergeFrom((com.google.cloud.aiplatform.v1.MetricResult) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.aiplatform.v1.MetricResult other) {
+      if (other == com.google.cloud.aiplatform.v1.MetricResult.getDefaultInstance()) return this;
+      if (other.hasScore()) {
+        setScore(other.getScore());
+      }
+      if (other.hasExplanation()) {
+        explanation_ = other.explanation_;
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      if (other.hasError()) {
+        mergeError(other.getError());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 13:
+              {
+                score_ = input.readFloat();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 13
+            case 26:
+              {
+                explanation_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 26
+            case 34:
+              {
+                input.readMessage(internalGetErrorFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 34
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private float score_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The score for the metric.
+     * Please refer to each metric's documentation for the meaning of the score.
+     * </pre>
+     *
+     * <code>optional float score = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return Whether the score field is set.
+     */
+    @java.lang.Override
+    public boolean hasScore() {
+      return ((bitField0_ & 0x00000001) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The score for the metric.
+     * Please refer to each metric's documentation for the meaning of the score.
+     * </pre>
+     *
+     * <code>optional float score = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The score.
+     */
+    @java.lang.Override
+    public float getScore() {
+      return score_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The score for the metric.
+     * Please refer to each metric's documentation for the meaning of the score.
+     * </pre>
+     *
+     * <code>optional float score = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The score to set.
+     * @return This builder for chaining.
+     */
+    public Builder setScore(float value) {
+
+      score_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The score for the metric.
+     * Please refer to each metric's documentation for the meaning of the score.
+     * </pre>
+     *
+     * <code>optional float score = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearScore() {
+      bitField0_ = (bitField0_ & ~0x00000001);
+      score_ = 0F;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object explanation_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The explanation for the metric result.
+     * </pre>
+     *
+     * <code>optional string explanation = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return Whether the explanation field is set.
+     */
+    public boolean hasExplanation() {
+      return ((bitField0_ & 0x00000002) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The explanation for the metric result.
+     * </pre>
+     *
+     * <code>optional string explanation = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The explanation.
+     */
+    public java.lang.String getExplanation() {
+      java.lang.Object ref = explanation_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        explanation_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The explanation for the metric result.
+     * </pre>
+     *
+     * <code>optional string explanation = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for explanation.
+     */
+    public com.google.protobuf.ByteString getExplanationBytes() {
+      java.lang.Object ref = explanation_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        explanation_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The explanation for the metric result.
+     * </pre>
+     *
+     * <code>optional string explanation = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The explanation to set.
+     * @return This builder for chaining.
+     */
+    public Builder setExplanation(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      explanation_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The explanation for the metric result.
+     * </pre>
+     *
+     * <code>optional string explanation = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearExplanation() {
+      explanation_ = getDefaultInstance().getExplanation();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The explanation for the metric result.
+     * </pre>
+     *
+     * <code>optional string explanation = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The bytes for explanation to set.
+     * @return This builder for chaining.
+     */
+    public Builder setExplanationBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      explanation_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    private com.google.rpc.Status error_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.rpc.Status, com.google.rpc.Status.Builder, com.google.rpc.StatusOrBuilder>
+        errorBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The error status for the metric result.
+     * </pre>
+     *
+     * <code>optional .google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the error field is set.
+     */
+    public boolean hasError() {
+      return ((bitField0_ & 0x00000004) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The error status for the metric result.
+     * </pre>
+     *
+     * <code>optional .google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The error.
+     */
+    public com.google.rpc.Status getError() {
+      if (errorBuilder_ == null) {
+        return error_ == null ? com.google.rpc.Status.getDefaultInstance() : error_;
+      } else {
+        return errorBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The error status for the metric result.
+     * </pre>
+     *
+     * <code>optional .google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setError(com.google.rpc.Status value) {
+      if (errorBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        error_ = value;
+      } else {
+        errorBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The error status for the metric result.
+     * </pre>
+     *
+     * <code>optional .google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setError(com.google.rpc.Status.Builder builderForValue) {
+      if (errorBuilder_ == null) {
+        error_ = builderForValue.build();
+      } else {
+        errorBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The error status for the metric result.
+     * </pre>
+     *
+     * <code>optional .google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeError(com.google.rpc.Status value) {
+      if (errorBuilder_ == null) {
+        if (((bitField0_ & 0x00000004) != 0)
+            && error_ != null
+            && error_ != com.google.rpc.Status.getDefaultInstance()) {
+          getErrorBuilder().mergeFrom(value);
+        } else {
+          error_ = value;
+        }
+      } else {
+        errorBuilder_.mergeFrom(value);
+      }
+      if (error_ != null) {
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The error status for the metric result.
+     * </pre>
+     *
+     * <code>optional .google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearError() {
+      bitField0_ = (bitField0_ & ~0x00000004);
+      error_ = null;
+      if (errorBuilder_ != null) {
+        errorBuilder_.dispose();
+        errorBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The error status for the metric result.
+     * </pre>
+     *
+     * <code>optional .google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.rpc.Status.Builder getErrorBuilder() {
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return internalGetErrorFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The error status for the metric result.
+     * </pre>
+     *
+     * <code>optional .google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.rpc.StatusOrBuilder getErrorOrBuilder() {
+      if (errorBuilder_ != null) {
+        return errorBuilder_.getMessageOrBuilder();
+      } else {
+        return error_ == null ? com.google.rpc.Status.getDefaultInstance() : error_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The error status for the metric result.
+     * </pre>
+     *
+     * <code>optional .google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.rpc.Status, com.google.rpc.Status.Builder, com.google.rpc.StatusOrBuilder>
+        internalGetErrorFieldBuilder() {
+      if (errorBuilder_ == null) {
+        errorBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.rpc.Status,
+                com.google.rpc.Status.Builder,
+                com.google.rpc.StatusOrBuilder>(getError(), getParentForChildren(), isClean());
+        error_ = null;
+      }
+      return errorBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.MetricResult)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.aiplatform.v1.MetricResult)
+  private static final com.google.cloud.aiplatform.v1.MetricResult DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.aiplatform.v1.MetricResult();
+  }
+
+  public static com.google.cloud.aiplatform.v1.MetricResult getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<MetricResult> PARSER =
+      new com.google.protobuf.AbstractParser<MetricResult>() {
+        @java.lang.Override
+        public MetricResult parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<MetricResult> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<MetricResult> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.MetricResult getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/MetricResultOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/MetricResultOrBuilder.java
new file mode 100644
index 000000000000..2b49c42828a9
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/MetricResultOrBuilder.java
@@ -0,0 +1,135 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+@com.google.protobuf.Generated
+public interface MetricResultOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.aiplatform.v1.MetricResult)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The score for the metric.
+   * Please refer to each metric's documentation for the meaning of the score.
+   * </pre>
+   *
+   * <code>optional float score = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return Whether the score field is set.
+   */
+  boolean hasScore();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The score for the metric.
+   * Please refer to each metric's documentation for the meaning of the score.
+   * </pre>
+   *
+   * <code>optional float score = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The score.
+   */
+  float getScore();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The explanation for the metric result.
+   * </pre>
+   *
+   * <code>optional string explanation = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return Whether the explanation field is set.
+   */
+  boolean hasExplanation();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The explanation for the metric result.
+   * </pre>
+   *
+   * <code>optional string explanation = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The explanation.
+   */
+  java.lang.String getExplanation();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The explanation for the metric result.
+   * </pre>
+   *
+   * <code>optional string explanation = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for explanation.
+   */
+  com.google.protobuf.ByteString getExplanationBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The error status for the metric result.
+   * </pre>
+   *
+   * <code>optional .google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the error field is set.
+   */
+  boolean hasError();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The error status for the metric result.
+   * </pre>
+   *
+   * <code>optional .google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The error.
+   */
+  com.google.rpc.Status getError();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The error status for the metric result.
+   * </pre>
+   *
+   * <code>optional .google.rpc.Status error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.rpc.StatusOrBuilder getErrorOrBuilder();
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/OutputConfig.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/OutputConfig.java
new file mode 100644
index 000000000000..e22389994ef4
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/OutputConfig.java
@@ -0,0 +1,794 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Config for evaluation output.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.aiplatform.v1.OutputConfig}
+ */
+@com.google.protobuf.Generated
+public final class OutputConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.aiplatform.v1.OutputConfig)
+    OutputConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "OutputConfig");
+  }
+
+  // Use OutputConfig.newBuilder() to construct.
+  private OutputConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private OutputConfig() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_OutputConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_OutputConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.aiplatform.v1.OutputConfig.class,
+            com.google.cloud.aiplatform.v1.OutputConfig.Builder.class);
+  }
+
+  private int destinationCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object destination_;
+
+  public enum DestinationCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    GCS_DESTINATION(1),
+    DESTINATION_NOT_SET(0);
+    private final int value;
+
+    private DestinationCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static DestinationCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static DestinationCase forNumber(int value) {
+      switch (value) {
+        case 1:
+          return GCS_DESTINATION;
+        case 0:
+          return DESTINATION_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public DestinationCase getDestinationCase() {
+    return DestinationCase.forNumber(destinationCase_);
+  }
+
+  public static final int GCS_DESTINATION_FIELD_NUMBER = 1;
+
+  /**
+   *
+   *
+   * <pre>
+   * Cloud storage destination for evaluation output.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.GcsDestination gcs_destination = 1;</code>
+   *
+   * @return Whether the gcsDestination field is set.
+   */
+  @java.lang.Override
+  public boolean hasGcsDestination() {
+    return destinationCase_ == 1;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Cloud storage destination for evaluation output.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.GcsDestination gcs_destination = 1;</code>
+   *
+   * @return The gcsDestination.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.GcsDestination getGcsDestination() {
+    if (destinationCase_ == 1) {
+      return (com.google.cloud.aiplatform.v1.GcsDestination) destination_;
+    }
+    return com.google.cloud.aiplatform.v1.GcsDestination.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Cloud storage destination for evaluation output.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.GcsDestination gcs_destination = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.GcsDestinationOrBuilder getGcsDestinationOrBuilder() {
+    if (destinationCase_ == 1) {
+      return (com.google.cloud.aiplatform.v1.GcsDestination) destination_;
+    }
+    return com.google.cloud.aiplatform.v1.GcsDestination.getDefaultInstance();
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (destinationCase_ == 1) {
+      output.writeMessage(1, (com.google.cloud.aiplatform.v1.GcsDestination) destination_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (destinationCase_ == 1) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              1, (com.google.cloud.aiplatform.v1.GcsDestination) destination_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.aiplatform.v1.OutputConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.aiplatform.v1.OutputConfig other =
+        (com.google.cloud.aiplatform.v1.OutputConfig) obj;
+
+    if (!getDestinationCase().equals(other.getDestinationCase())) return false;
+    switch (destinationCase_) {
+      case 1:
+        if (!getGcsDestination().equals(other.getGcsDestination())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    switch (destinationCase_) {
+      case 1:
+        hash = (37 * hash) + GCS_DESTINATION_FIELD_NUMBER;
+        hash = (53 * hash) + getGcsDestination().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputConfig parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputConfig parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.aiplatform.v1.OutputConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Config for evaluation output.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.aiplatform.v1.OutputConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.aiplatform.v1.OutputConfig)
+      com.google.cloud.aiplatform.v1.OutputConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_OutputConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_OutputConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.aiplatform.v1.OutputConfig.class,
+              com.google.cloud.aiplatform.v1.OutputConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.aiplatform.v1.OutputConfig.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (gcsDestinationBuilder_ != null) {
+        gcsDestinationBuilder_.clear();
+      }
+      destinationCase_ = 0;
+      destination_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_OutputConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.OutputConfig getDefaultInstanceForType() {
+      return com.google.cloud.aiplatform.v1.OutputConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.OutputConfig build() {
+      com.google.cloud.aiplatform.v1.OutputConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.OutputConfig buildPartial() {
+      com.google.cloud.aiplatform.v1.OutputConfig result =
+          new com.google.cloud.aiplatform.v1.OutputConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.aiplatform.v1.OutputConfig result) {
+      int from_bitField0_ = bitField0_;
+    }
+
+    private void buildPartialOneofs(com.google.cloud.aiplatform.v1.OutputConfig result) {
+      result.destinationCase_ = destinationCase_;
+      result.destination_ = this.destination_;
+      if (destinationCase_ == 1 && gcsDestinationBuilder_ != null) {
+        result.destination_ = gcsDestinationBuilder_.build();
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.aiplatform.v1.OutputConfig) {
+        return mergeFrom((com.google.cloud.aiplatform.v1.OutputConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.aiplatform.v1.OutputConfig other) {
+      if (other == com.google.cloud.aiplatform.v1.OutputConfig.getDefaultInstance()) return this;
+      switch (other.getDestinationCase()) {
+        case GCS_DESTINATION:
+          {
+            mergeGcsDestination(other.getGcsDestination());
+            break;
+          }
+        case DESTINATION_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                input.readMessage(
+                    internalGetGcsDestinationFieldBuilder().getBuilder(), extensionRegistry);
+                destinationCase_ = 1;
+                break;
+              } // case 10
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int destinationCase_ = 0;
+    private java.lang.Object destination_;
+
+    public DestinationCase getDestinationCase() {
+      return DestinationCase.forNumber(destinationCase_);
+    }
+
+    public Builder clearDestination() {
+      destinationCase_ = 0;
+      destination_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.GcsDestination,
+            com.google.cloud.aiplatform.v1.GcsDestination.Builder,
+            com.google.cloud.aiplatform.v1.GcsDestinationOrBuilder>
+        gcsDestinationBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Cloud storage destination for evaluation output.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.GcsDestination gcs_destination = 1;</code>
+     *
+     * @return Whether the gcsDestination field is set.
+     */
+    @java.lang.Override
+    public boolean hasGcsDestination() {
+      return destinationCase_ == 1;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Cloud storage destination for evaluation output.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.GcsDestination gcs_destination = 1;</code>
+     *
+     * @return The gcsDestination.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.GcsDestination getGcsDestination() {
+      if (gcsDestinationBuilder_ == null) {
+        if (destinationCase_ == 1) {
+          return (com.google.cloud.aiplatform.v1.GcsDestination) destination_;
+        }
+        return com.google.cloud.aiplatform.v1.GcsDestination.getDefaultInstance();
+      } else {
+        if (destinationCase_ == 1) {
+          return gcsDestinationBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.GcsDestination.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Cloud storage destination for evaluation output.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.GcsDestination gcs_destination = 1;</code>
+     */
+    public Builder setGcsDestination(com.google.cloud.aiplatform.v1.GcsDestination value) {
+      if (gcsDestinationBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        destination_ = value;
+        onChanged();
+      } else {
+        gcsDestinationBuilder_.setMessage(value);
+      }
+      destinationCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Cloud storage destination for evaluation output.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.GcsDestination gcs_destination = 1;</code>
+     */
+    public Builder setGcsDestination(
+        com.google.cloud.aiplatform.v1.GcsDestination.Builder builderForValue) {
+      if (gcsDestinationBuilder_ == null) {
+        destination_ = builderForValue.build();
+        onChanged();
+      } else {
+        gcsDestinationBuilder_.setMessage(builderForValue.build());
+      }
+      destinationCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Cloud storage destination for evaluation output.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.GcsDestination gcs_destination = 1;</code>
+     */
+    public Builder mergeGcsDestination(com.google.cloud.aiplatform.v1.GcsDestination value) {
+      if (gcsDestinationBuilder_ == null) {
+        if (destinationCase_ == 1
+            && destination_ != com.google.cloud.aiplatform.v1.GcsDestination.getDefaultInstance()) {
+          destination_ =
+              com.google.cloud.aiplatform.v1.GcsDestination.newBuilder(
+                      (com.google.cloud.aiplatform.v1.GcsDestination) destination_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          destination_ = value;
+        }
+        onChanged();
+      } else {
+        if (destinationCase_ == 1) {
+          gcsDestinationBuilder_.mergeFrom(value);
+        } else {
+          gcsDestinationBuilder_.setMessage(value);
+        }
+      }
+      destinationCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Cloud storage destination for evaluation output.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.GcsDestination gcs_destination = 1;</code>
+     */
+    public Builder clearGcsDestination() {
+      if (gcsDestinationBuilder_ == null) {
+        if (destinationCase_ == 1) {
+          destinationCase_ = 0;
+          destination_ = null;
+          onChanged();
+        }
+      } else {
+        if (destinationCase_ == 1) {
+          destinationCase_ = 0;
+          destination_ = null;
+        }
+        gcsDestinationBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Cloud storage destination for evaluation output.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.GcsDestination gcs_destination = 1;</code>
+     */
+    public com.google.cloud.aiplatform.v1.GcsDestination.Builder getGcsDestinationBuilder() {
+      return internalGetGcsDestinationFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Cloud storage destination for evaluation output.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.GcsDestination gcs_destination = 1;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.GcsDestinationOrBuilder getGcsDestinationOrBuilder() {
+      if ((destinationCase_ == 1) && (gcsDestinationBuilder_ != null)) {
+        return gcsDestinationBuilder_.getMessageOrBuilder();
+      } else {
+        if (destinationCase_ == 1) {
+          return (com.google.cloud.aiplatform.v1.GcsDestination) destination_;
+        }
+        return com.google.cloud.aiplatform.v1.GcsDestination.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Cloud storage destination for evaluation output.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.GcsDestination gcs_destination = 1;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.GcsDestination,
+            com.google.cloud.aiplatform.v1.GcsDestination.Builder,
+            com.google.cloud.aiplatform.v1.GcsDestinationOrBuilder>
+        internalGetGcsDestinationFieldBuilder() {
+      if (gcsDestinationBuilder_ == null) {
+        if (!(destinationCase_ == 1)) {
+          destination_ = com.google.cloud.aiplatform.v1.GcsDestination.getDefaultInstance();
+        }
+        gcsDestinationBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.GcsDestination,
+                com.google.cloud.aiplatform.v1.GcsDestination.Builder,
+                com.google.cloud.aiplatform.v1.GcsDestinationOrBuilder>(
+                (com.google.cloud.aiplatform.v1.GcsDestination) destination_,
+                getParentForChildren(),
+                isClean());
+        destination_ = null;
+      }
+      destinationCase_ = 1;
+      onChanged();
+      return gcsDestinationBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.OutputConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.aiplatform.v1.OutputConfig)
+  private static final com.google.cloud.aiplatform.v1.OutputConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.aiplatform.v1.OutputConfig();
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<OutputConfig> PARSER =
+      new com.google.protobuf.AbstractParser<OutputConfig>() {
+        @java.lang.Override
+        public OutputConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<OutputConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<OutputConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.OutputConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/OutputConfigOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/OutputConfigOrBuilder.java
new file mode 100644
index 000000000000..745abb24d380
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/OutputConfigOrBuilder.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+@com.google.protobuf.Generated
+public interface OutputConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.aiplatform.v1.OutputConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Cloud storage destination for evaluation output.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.GcsDestination gcs_destination = 1;</code>
+   *
+   * @return Whether the gcsDestination field is set.
+   */
+  boolean hasGcsDestination();
+
+  /**
+   *
+   *
+   * <pre>
+   * Cloud storage destination for evaluation output.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.GcsDestination gcs_destination = 1;</code>
+   *
+   * @return The gcsDestination.
+   */
+  com.google.cloud.aiplatform.v1.GcsDestination getGcsDestination();
+
+  /**
+   *
+   *
+   * <pre>
+   * Cloud storage destination for evaluation output.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.GcsDestination gcs_destination = 1;</code>
+   */
+  com.google.cloud.aiplatform.v1.GcsDestinationOrBuilder getGcsDestinationOrBuilder();
+
+  com.google.cloud.aiplatform.v1.OutputConfig.DestinationCase getDestinationCase();
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/OutputInfo.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/OutputInfo.java
new file mode 100644
index 000000000000..659798f6c4c3
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/OutputInfo.java
@@ -0,0 +1,737 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Describes the info for output of EvaluationService.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.aiplatform.v1.OutputInfo}
+ */
+@com.google.protobuf.Generated
+public final class OutputInfo extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.aiplatform.v1.OutputInfo)
+    OutputInfoOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "OutputInfo");
+  }
+
+  // Use OutputInfo.newBuilder() to construct.
+  private OutputInfo(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private OutputInfo() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_OutputInfo_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_OutputInfo_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.aiplatform.v1.OutputInfo.class,
+            com.google.cloud.aiplatform.v1.OutputInfo.Builder.class);
+  }
+
+  private int outputLocationCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object outputLocation_;
+
+  public enum OutputLocationCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    GCS_OUTPUT_DIRECTORY(1),
+    OUTPUTLOCATION_NOT_SET(0);
+    private final int value;
+
+    private OutputLocationCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static OutputLocationCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static OutputLocationCase forNumber(int value) {
+      switch (value) {
+        case 1:
+          return GCS_OUTPUT_DIRECTORY;
+        case 0:
+          return OUTPUTLOCATION_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public OutputLocationCase getOutputLocationCase() {
+    return OutputLocationCase.forNumber(outputLocationCase_);
+  }
+
+  public static final int GCS_OUTPUT_DIRECTORY_FIELD_NUMBER = 1;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The full path of the Cloud Storage directory created, into
+   * which the evaluation results and aggregation results are written.
+   * </pre>
+   *
+   * <code>string gcs_output_directory = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return Whether the gcsOutputDirectory field is set.
+   */
+  public boolean hasGcsOutputDirectory() {
+    return outputLocationCase_ == 1;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The full path of the Cloud Storage directory created, into
+   * which the evaluation results and aggregation results are written.
+   * </pre>
+   *
+   * <code>string gcs_output_directory = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The gcsOutputDirectory.
+   */
+  public java.lang.String getGcsOutputDirectory() {
+    java.lang.Object ref = "";
+    if (outputLocationCase_ == 1) {
+      ref = outputLocation_;
+    }
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      if (outputLocationCase_ == 1) {
+        outputLocation_ = s;
+      }
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The full path of the Cloud Storage directory created, into
+   * which the evaluation results and aggregation results are written.
+   * </pre>
+   *
+   * <code>string gcs_output_directory = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for gcsOutputDirectory.
+   */
+  public com.google.protobuf.ByteString getGcsOutputDirectoryBytes() {
+    java.lang.Object ref = "";
+    if (outputLocationCase_ == 1) {
+      ref = outputLocation_;
+    }
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      if (outputLocationCase_ == 1) {
+        outputLocation_ = b;
+      }
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (outputLocationCase_ == 1) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, outputLocation_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (outputLocationCase_ == 1) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, outputLocation_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.aiplatform.v1.OutputInfo)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.aiplatform.v1.OutputInfo other =
+        (com.google.cloud.aiplatform.v1.OutputInfo) obj;
+
+    if (!getOutputLocationCase().equals(other.getOutputLocationCase())) return false;
+    switch (outputLocationCase_) {
+      case 1:
+        if (!getGcsOutputDirectory().equals(other.getGcsOutputDirectory())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    switch (outputLocationCase_) {
+      case 1:
+        hash = (37 * hash) + GCS_OUTPUT_DIRECTORY_FIELD_NUMBER;
+        hash = (53 * hash) + getGcsOutputDirectory().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputInfo parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputInfo parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputInfo parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputInfo parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputInfo parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputInfo parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputInfo parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputInfo parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputInfo parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputInfo parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputInfo parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputInfo parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.aiplatform.v1.OutputInfo prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Describes the info for output of EvaluationService.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.aiplatform.v1.OutputInfo}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.aiplatform.v1.OutputInfo)
+      com.google.cloud.aiplatform.v1.OutputInfoOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_OutputInfo_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
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+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.aiplatform.v1.OutputInfo.class,
+              com.google.cloud.aiplatform.v1.OutputInfo.Builder.class);
+    }
+
+    // Construct using com.google.cloud.aiplatform.v1.OutputInfo.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      outputLocationCase_ = 0;
+      outputLocation_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_OutputInfo_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.OutputInfo getDefaultInstanceForType() {
+      return com.google.cloud.aiplatform.v1.OutputInfo.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.OutputInfo build() {
+      com.google.cloud.aiplatform.v1.OutputInfo result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.OutputInfo buildPartial() {
+      com.google.cloud.aiplatform.v1.OutputInfo result =
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+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.aiplatform.v1.OutputInfo result) {
+      int from_bitField0_ = bitField0_;
+    }
+
+    private void buildPartialOneofs(com.google.cloud.aiplatform.v1.OutputInfo result) {
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+      result.outputLocation_ = this.outputLocation_;
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+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.aiplatform.v1.OutputInfo) {
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+        return this;
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+
+    public Builder mergeFrom(com.google.cloud.aiplatform.v1.OutputInfo other) {
+      if (other == com.google.cloud.aiplatform.v1.OutputInfo.getDefaultInstance()) return this;
+      switch (other.getOutputLocationCase()) {
+        case GCS_OUTPUT_DIRECTORY:
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+            outputLocationCase_ = 1;
+            outputLocation_ = other.outputLocation_;
+            onChanged();
+            break;
+          }
+        case OUTPUTLOCATION_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
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+    public Builder mergeFrom(
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+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int outputLocationCase_ = 0;
+    private java.lang.Object outputLocation_;
+
+    public OutputLocationCase getOutputLocationCase() {
+      return OutputLocationCase.forNumber(outputLocationCase_);
+    }
+
+    public Builder clearOutputLocation() {
+      outputLocationCase_ = 0;
+      outputLocation_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The full path of the Cloud Storage directory created, into
+     * which the evaluation results and aggregation results are written.
+     * </pre>
+     *
+     * <code>string gcs_output_directory = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return Whether the gcsOutputDirectory field is set.
+     */
+    @java.lang.Override
+    public boolean hasGcsOutputDirectory() {
+      return outputLocationCase_ == 1;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The full path of the Cloud Storage directory created, into
+     * which the evaluation results and aggregation results are written.
+     * </pre>
+     *
+     * <code>string gcs_output_directory = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The gcsOutputDirectory.
+     */
+    @java.lang.Override
+    public java.lang.String getGcsOutputDirectory() {
+      java.lang.Object ref = "";
+      if (outputLocationCase_ == 1) {
+        ref = outputLocation_;
+      }
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (outputLocationCase_ == 1) {
+          outputLocation_ = s;
+        }
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The full path of the Cloud Storage directory created, into
+     * which the evaluation results and aggregation results are written.
+     * </pre>
+     *
+     * <code>string gcs_output_directory = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for gcsOutputDirectory.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getGcsOutputDirectoryBytes() {
+      java.lang.Object ref = "";
+      if (outputLocationCase_ == 1) {
+        ref = outputLocation_;
+      }
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        if (outputLocationCase_ == 1) {
+          outputLocation_ = b;
+        }
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The full path of the Cloud Storage directory created, into
+     * which the evaluation results and aggregation results are written.
+     * </pre>
+     *
+     * <code>string gcs_output_directory = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The gcsOutputDirectory to set.
+     * @return This builder for chaining.
+     */
+    public Builder setGcsOutputDirectory(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      outputLocationCase_ = 1;
+      outputLocation_ = value;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The full path of the Cloud Storage directory created, into
+     * which the evaluation results and aggregation results are written.
+     * </pre>
+     *
+     * <code>string gcs_output_directory = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearGcsOutputDirectory() {
+      if (outputLocationCase_ == 1) {
+        outputLocationCase_ = 0;
+        outputLocation_ = null;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The full path of the Cloud Storage directory created, into
+     * which the evaluation results and aggregation results are written.
+     * </pre>
+     *
+     * <code>string gcs_output_directory = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The bytes for gcsOutputDirectory to set.
+     * @return This builder for chaining.
+     */
+    public Builder setGcsOutputDirectoryBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      outputLocationCase_ = 1;
+      outputLocation_ = value;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.OutputInfo)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.aiplatform.v1.OutputInfo)
+  private static final com.google.cloud.aiplatform.v1.OutputInfo DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.aiplatform.v1.OutputInfo();
+  }
+
+  public static com.google.cloud.aiplatform.v1.OutputInfo getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<OutputInfo> PARSER =
+      new com.google.protobuf.AbstractParser<OutputInfo>() {
+        @java.lang.Override
+        public OutputInfo parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<OutputInfo> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<OutputInfo> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.OutputInfo getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/OutputInfoOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/OutputInfoOrBuilder.java
new file mode 100644
index 000000000000..902b31c10ad9
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/OutputInfoOrBuilder.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+@com.google.protobuf.Generated
+public interface OutputInfoOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.aiplatform.v1.OutputInfo)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The full path of the Cloud Storage directory created, into
+   * which the evaluation results and aggregation results are written.
+   * </pre>
+   *
+   * <code>string gcs_output_directory = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return Whether the gcsOutputDirectory field is set.
+   */
+  boolean hasGcsOutputDirectory();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The full path of the Cloud Storage directory created, into
+   * which the evaluation results and aggregation results are written.
+   * </pre>
+   *
+   * <code>string gcs_output_directory = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The gcsOutputDirectory.
+   */
+  java.lang.String getGcsOutputDirectory();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The full path of the Cloud Storage directory created, into
+   * which the evaluation results and aggregation results are written.
+   * </pre>
+   *
+   * <code>string gcs_output_directory = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for gcsOutputDirectory.
+   */
+  com.google.protobuf.ByteString getGcsOutputDirectoryBytes();
+
+  com.google.cloud.aiplatform.v1.OutputInfo.OutputLocationCase getOutputLocationCase();
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricInstance.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricInstance.java
index b3840435c904..2b74e8499351 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricInstance.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricInstance.java
@@ -79,6 +79,7 @@ public enum InstanceCase
           com.google.protobuf.Internal.EnumLite,
           com.google.protobuf.AbstractMessage.InternalOneOfEnum {
     JSON_INSTANCE(1),
+    CONTENT_MAP_INSTANCE(2),
     INSTANCE_NOT_SET(0);
     private final int value;
 
@@ -100,6 +101,8 @@ public static InstanceCase forNumber(int value) {
       switch (value) {
         case 1:
           return JSON_INSTANCE;
+        case 2:
+          return CONTENT_MAP_INSTANCE;
         case 0:
           return INSTANCE_NOT_SET;
         default:
@@ -195,6 +198,66 @@ public com.google.protobuf.ByteString getJsonInstanceBytes() {
     }
   }
 
+  public static final int CONTENT_MAP_INSTANCE_FIELD_NUMBER = 2;
+
+  /**
+   *
+   *
+   * <pre>
+   * Key-value contents for the mutlimodality input, including text, image,
+   * video, audio, and pdf, etc. The key is placeholder in metric prompt
+   * template, and the value is the multimodal content.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+   *
+   * @return Whether the contentMapInstance field is set.
+   */
+  @java.lang.Override
+  public boolean hasContentMapInstance() {
+    return instanceCase_ == 2;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Key-value contents for the mutlimodality input, including text, image,
+   * video, audio, and pdf, etc. The key is placeholder in metric prompt
+   * template, and the value is the multimodal content.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+   *
+   * @return The contentMapInstance.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.ContentMap getContentMapInstance() {
+    if (instanceCase_ == 2) {
+      return (com.google.cloud.aiplatform.v1.ContentMap) instance_;
+    }
+    return com.google.cloud.aiplatform.v1.ContentMap.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Key-value contents for the mutlimodality input, including text, image,
+   * video, audio, and pdf, etc. The key is placeholder in metric prompt
+   * template, and the value is the multimodal content.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.ContentMapOrBuilder getContentMapInstanceOrBuilder() {
+    if (instanceCase_ == 2) {
+      return (com.google.cloud.aiplatform.v1.ContentMap) instance_;
+    }
+    return com.google.cloud.aiplatform.v1.ContentMap.getDefaultInstance();
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -212,6 +275,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (instanceCase_ == 1) {
       com.google.protobuf.GeneratedMessage.writeString(output, 1, instance_);
     }
+    if (instanceCase_ == 2) {
+      output.writeMessage(2, (com.google.cloud.aiplatform.v1.ContentMap) instance_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -224,6 +290,11 @@ public int getSerializedSize() {
     if (instanceCase_ == 1) {
       size += com.google.protobuf.GeneratedMessage.computeStringSize(1, instance_);
     }
+    if (instanceCase_ == 2) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              2, (com.google.cloud.aiplatform.v1.ContentMap) instance_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -245,6 +316,9 @@ public boolean equals(final java.lang.Object obj) {
       case 1:
         if (!getJsonInstance().equals(other.getJsonInstance())) return false;
         break;
+      case 2:
+        if (!getContentMapInstance().equals(other.getContentMapInstance())) return false;
+        break;
       case 0:
       default:
     }
@@ -264,6 +338,10 @@ public int hashCode() {
         hash = (37 * hash) + JSON_INSTANCE_FIELD_NUMBER;
         hash = (53 * hash) + getJsonInstance().hashCode();
         break;
+      case 2:
+        hash = (37 * hash) + CONTENT_MAP_INSTANCE_FIELD_NUMBER;
+        hash = (53 * hash) + getContentMapInstance().hashCode();
+        break;
       case 0:
       default:
     }
@@ -409,6 +487,9 @@ private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     public Builder clear() {
       super.clear();
       bitField0_ = 0;
+      if (contentMapInstanceBuilder_ != null) {
+        contentMapInstanceBuilder_.clear();
+      }
       instanceCase_ = 0;
       instance_ = null;
       return this;
@@ -453,6 +534,9 @@ private void buildPartial0(com.google.cloud.aiplatform.v1.PairwiseMetricInstance
     private void buildPartialOneofs(com.google.cloud.aiplatform.v1.PairwiseMetricInstance result) {
       result.instanceCase_ = instanceCase_;
       result.instance_ = this.instance_;
+      if (instanceCase_ == 2 && contentMapInstanceBuilder_ != null) {
+        result.instance_ = contentMapInstanceBuilder_.build();
+      }
     }
 
     @java.lang.Override
@@ -476,6 +560,11 @@ public Builder mergeFrom(com.google.cloud.aiplatform.v1.PairwiseMetricInstance o
             onChanged();
             break;
           }
+        case CONTENT_MAP_INSTANCE:
+          {
+            mergeContentMapInstance(other.getContentMapInstance());
+            break;
+          }
         case INSTANCE_NOT_SET:
           {
             break;
@@ -514,6 +603,13 @@ public Builder mergeFrom(
                 instance_ = s;
                 break;
               } // case 10
+            case 18:
+              {
+                input.readMessage(
+                    internalGetContentMapInstanceFieldBuilder().getBuilder(), extensionRegistry);
+                instanceCase_ = 2;
+                break;
+              } // case 18
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -698,6 +794,242 @@ public Builder setJsonInstanceBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.ContentMap,
+            com.google.cloud.aiplatform.v1.ContentMap.Builder,
+            com.google.cloud.aiplatform.v1.ContentMapOrBuilder>
+        contentMapInstanceBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Key-value contents for the mutlimodality input, including text, image,
+     * video, audio, and pdf, etc. The key is placeholder in metric prompt
+     * template, and the value is the multimodal content.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+     *
+     * @return Whether the contentMapInstance field is set.
+     */
+    @java.lang.Override
+    public boolean hasContentMapInstance() {
+      return instanceCase_ == 2;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Key-value contents for the mutlimodality input, including text, image,
+     * video, audio, and pdf, etc. The key is placeholder in metric prompt
+     * template, and the value is the multimodal content.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+     *
+     * @return The contentMapInstance.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ContentMap getContentMapInstance() {
+      if (contentMapInstanceBuilder_ == null) {
+        if (instanceCase_ == 2) {
+          return (com.google.cloud.aiplatform.v1.ContentMap) instance_;
+        }
+        return com.google.cloud.aiplatform.v1.ContentMap.getDefaultInstance();
+      } else {
+        if (instanceCase_ == 2) {
+          return contentMapInstanceBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.ContentMap.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Key-value contents for the mutlimodality input, including text, image,
+     * video, audio, and pdf, etc. The key is placeholder in metric prompt
+     * template, and the value is the multimodal content.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+     */
+    public Builder setContentMapInstance(com.google.cloud.aiplatform.v1.ContentMap value) {
+      if (contentMapInstanceBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        instance_ = value;
+        onChanged();
+      } else {
+        contentMapInstanceBuilder_.setMessage(value);
+      }
+      instanceCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Key-value contents for the mutlimodality input, including text, image,
+     * video, audio, and pdf, etc. The key is placeholder in metric prompt
+     * template, and the value is the multimodal content.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+     */
+    public Builder setContentMapInstance(
+        com.google.cloud.aiplatform.v1.ContentMap.Builder builderForValue) {
+      if (contentMapInstanceBuilder_ == null) {
+        instance_ = builderForValue.build();
+        onChanged();
+      } else {
+        contentMapInstanceBuilder_.setMessage(builderForValue.build());
+      }
+      instanceCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Key-value contents for the mutlimodality input, including text, image,
+     * video, audio, and pdf, etc. The key is placeholder in metric prompt
+     * template, and the value is the multimodal content.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+     */
+    public Builder mergeContentMapInstance(com.google.cloud.aiplatform.v1.ContentMap value) {
+      if (contentMapInstanceBuilder_ == null) {
+        if (instanceCase_ == 2
+            && instance_ != com.google.cloud.aiplatform.v1.ContentMap.getDefaultInstance()) {
+          instance_ =
+              com.google.cloud.aiplatform.v1.ContentMap.newBuilder(
+                      (com.google.cloud.aiplatform.v1.ContentMap) instance_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          instance_ = value;
+        }
+        onChanged();
+      } else {
+        if (instanceCase_ == 2) {
+          contentMapInstanceBuilder_.mergeFrom(value);
+        } else {
+          contentMapInstanceBuilder_.setMessage(value);
+        }
+      }
+      instanceCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Key-value contents for the mutlimodality input, including text, image,
+     * video, audio, and pdf, etc. The key is placeholder in metric prompt
+     * template, and the value is the multimodal content.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+     */
+    public Builder clearContentMapInstance() {
+      if (contentMapInstanceBuilder_ == null) {
+        if (instanceCase_ == 2) {
+          instanceCase_ = 0;
+          instance_ = null;
+          onChanged();
+        }
+      } else {
+        if (instanceCase_ == 2) {
+          instanceCase_ = 0;
+          instance_ = null;
+        }
+        contentMapInstanceBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Key-value contents for the mutlimodality input, including text, image,
+     * video, audio, and pdf, etc. The key is placeholder in metric prompt
+     * template, and the value is the multimodal content.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+     */
+    public com.google.cloud.aiplatform.v1.ContentMap.Builder getContentMapInstanceBuilder() {
+      return internalGetContentMapInstanceFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Key-value contents for the mutlimodality input, including text, image,
+     * video, audio, and pdf, etc. The key is placeholder in metric prompt
+     * template, and the value is the multimodal content.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ContentMapOrBuilder getContentMapInstanceOrBuilder() {
+      if ((instanceCase_ == 2) && (contentMapInstanceBuilder_ != null)) {
+        return contentMapInstanceBuilder_.getMessageOrBuilder();
+      } else {
+        if (instanceCase_ == 2) {
+          return (com.google.cloud.aiplatform.v1.ContentMap) instance_;
+        }
+        return com.google.cloud.aiplatform.v1.ContentMap.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Key-value contents for the mutlimodality input, including text, image,
+     * video, audio, and pdf, etc. The key is placeholder in metric prompt
+     * template, and the value is the multimodal content.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.ContentMap,
+            com.google.cloud.aiplatform.v1.ContentMap.Builder,
+            com.google.cloud.aiplatform.v1.ContentMapOrBuilder>
+        internalGetContentMapInstanceFieldBuilder() {
+      if (contentMapInstanceBuilder_ == null) {
+        if (!(instanceCase_ == 2)) {
+          instance_ = com.google.cloud.aiplatform.v1.ContentMap.getDefaultInstance();
+        }
+        contentMapInstanceBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.ContentMap,
+                com.google.cloud.aiplatform.v1.ContentMap.Builder,
+                com.google.cloud.aiplatform.v1.ContentMapOrBuilder>(
+                (com.google.cloud.aiplatform.v1.ContentMap) instance_,
+                getParentForChildren(),
+                isClean());
+        instance_ = null;
+      }
+      instanceCase_ = 2;
+      onChanged();
+      return contentMapInstanceBuilder_;
+    }
+
     // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.PairwiseMetricInstance)
   }
 
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricInstanceOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricInstanceOrBuilder.java
index d40e2cd906b0..8e17b3f5a6dc 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricInstanceOrBuilder.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricInstanceOrBuilder.java
@@ -71,5 +71,48 @@ public interface PairwiseMetricInstanceOrBuilder
    */
   com.google.protobuf.ByteString getJsonInstanceBytes();
 
+  /**
+   *
+   *
+   * <pre>
+   * Key-value contents for the mutlimodality input, including text, image,
+   * video, audio, and pdf, etc. The key is placeholder in metric prompt
+   * template, and the value is the multimodal content.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+   *
+   * @return Whether the contentMapInstance field is set.
+   */
+  boolean hasContentMapInstance();
+
+  /**
+   *
+   *
+   * <pre>
+   * Key-value contents for the mutlimodality input, including text, image,
+   * video, audio, and pdf, etc. The key is placeholder in metric prompt
+   * template, and the value is the multimodal content.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+   *
+   * @return The contentMapInstance.
+   */
+  com.google.cloud.aiplatform.v1.ContentMap getContentMapInstance();
+
+  /**
+   *
+   *
+   * <pre>
+   * Key-value contents for the mutlimodality input, including text, image,
+   * video, audio, and pdf, etc. The key is placeholder in metric prompt
+   * template, and the value is the multimodal content.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+   */
+  com.google.cloud.aiplatform.v1.ContentMapOrBuilder getContentMapInstanceOrBuilder();
+
   com.google.cloud.aiplatform.v1.PairwiseMetricInstance.InstanceCase getInstanceCase();
 }
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricResult.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricResult.java
index a6a32b11c127..803c0003b545 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricResult.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricResult.java
@@ -71,6 +71,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
             com.google.cloud.aiplatform.v1.PairwiseMetricResult.Builder.class);
   }
 
+  private int bitField0_;
   public static final int PAIRWISE_CHOICE_FIELD_NUMBER = 1;
   private int pairwiseChoice_ = 0;
 
@@ -165,6 +166,65 @@ public com.google.protobuf.ByteString getExplanationBytes() {
     }
   }
 
+  public static final int CUSTOM_OUTPUT_FIELD_NUMBER = 3;
+  private com.google.cloud.aiplatform.v1.CustomOutput customOutput_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Spec for custom output.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the customOutput field is set.
+   */
+  @java.lang.Override
+  public boolean hasCustomOutput() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Spec for custom output.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The customOutput.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.CustomOutput getCustomOutput() {
+    return customOutput_ == null
+        ? com.google.cloud.aiplatform.v1.CustomOutput.getDefaultInstance()
+        : customOutput_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Spec for custom output.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.CustomOutputOrBuilder getCustomOutputOrBuilder() {
+    return customOutput_ == null
+        ? com.google.cloud.aiplatform.v1.CustomOutput.getDefaultInstance()
+        : customOutput_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -186,6 +246,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (!com.google.protobuf.GeneratedMessage.isStringEmpty(explanation_)) {
       com.google.protobuf.GeneratedMessage.writeString(output, 2, explanation_);
     }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(3, getCustomOutput());
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -202,6 +265,9 @@ public int getSerializedSize() {
     if (!com.google.protobuf.GeneratedMessage.isStringEmpty(explanation_)) {
       size += com.google.protobuf.GeneratedMessage.computeStringSize(2, explanation_);
     }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getCustomOutput());
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -220,6 +286,10 @@ public boolean equals(final java.lang.Object obj) {
 
     if (pairwiseChoice_ != other.pairwiseChoice_) return false;
     if (!getExplanation().equals(other.getExplanation())) return false;
+    if (hasCustomOutput() != other.hasCustomOutput()) return false;
+    if (hasCustomOutput()) {
+      if (!getCustomOutput().equals(other.getCustomOutput())) return false;
+    }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -235,6 +305,10 @@ public int hashCode() {
     hash = (53 * hash) + pairwiseChoice_;
     hash = (37 * hash) + EXPLANATION_FIELD_NUMBER;
     hash = (53 * hash) + getExplanation().hashCode();
+    if (hasCustomOutput()) {
+      hash = (37 * hash) + CUSTOM_OUTPUT_FIELD_NUMBER;
+      hash = (53 * hash) + getCustomOutput().hashCode();
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -365,10 +439,19 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     // Construct using com.google.cloud.aiplatform.v1.PairwiseMetricResult.newBuilder()
-    private Builder() {}
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
 
     private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetCustomOutputFieldBuilder();
+      }
     }
 
     @java.lang.Override
@@ -377,6 +460,11 @@ public Builder clear() {
       bitField0_ = 0;
       pairwiseChoice_ = 0;
       explanation_ = "";
+      customOutput_ = null;
+      if (customOutputBuilder_ != null) {
+        customOutputBuilder_.dispose();
+        customOutputBuilder_ = null;
+      }
       return this;
     }
 
@@ -419,6 +507,13 @@ private void buildPartial0(com.google.cloud.aiplatform.v1.PairwiseMetricResult r
       if (((from_bitField0_ & 0x00000002) != 0)) {
         result.explanation_ = explanation_;
       }
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.customOutput_ =
+            customOutputBuilder_ == null ? customOutput_ : customOutputBuilder_.build();
+        to_bitField0_ |= 0x00000001;
+      }
+      result.bitField0_ |= to_bitField0_;
     }
 
     @java.lang.Override
@@ -442,6 +537,9 @@ public Builder mergeFrom(com.google.cloud.aiplatform.v1.PairwiseMetricResult oth
         bitField0_ |= 0x00000002;
         onChanged();
       }
+      if (other.hasCustomOutput()) {
+        mergeCustomOutput(other.getCustomOutput());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -480,6 +578,13 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
+            case 26:
+              {
+                input.readMessage(
+                    internalGetCustomOutputFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 26
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -715,6 +820,219 @@ public Builder setExplanationBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    private com.google.cloud.aiplatform.v1.CustomOutput customOutput_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.CustomOutput,
+            com.google.cloud.aiplatform.v1.CustomOutput.Builder,
+            com.google.cloud.aiplatform.v1.CustomOutputOrBuilder>
+        customOutputBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Spec for custom output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the customOutput field is set.
+     */
+    public boolean hasCustomOutput() {
+      return ((bitField0_ & 0x00000004) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Spec for custom output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The customOutput.
+     */
+    public com.google.cloud.aiplatform.v1.CustomOutput getCustomOutput() {
+      if (customOutputBuilder_ == null) {
+        return customOutput_ == null
+            ? com.google.cloud.aiplatform.v1.CustomOutput.getDefaultInstance()
+            : customOutput_;
+      } else {
+        return customOutputBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Spec for custom output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setCustomOutput(com.google.cloud.aiplatform.v1.CustomOutput value) {
+      if (customOutputBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        customOutput_ = value;
+      } else {
+        customOutputBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Spec for custom output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setCustomOutput(
+        com.google.cloud.aiplatform.v1.CustomOutput.Builder builderForValue) {
+      if (customOutputBuilder_ == null) {
+        customOutput_ = builderForValue.build();
+      } else {
+        customOutputBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Spec for custom output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeCustomOutput(com.google.cloud.aiplatform.v1.CustomOutput value) {
+      if (customOutputBuilder_ == null) {
+        if (((bitField0_ & 0x00000004) != 0)
+            && customOutput_ != null
+            && customOutput_ != com.google.cloud.aiplatform.v1.CustomOutput.getDefaultInstance()) {
+          getCustomOutputBuilder().mergeFrom(value);
+        } else {
+          customOutput_ = value;
+        }
+      } else {
+        customOutputBuilder_.mergeFrom(value);
+      }
+      if (customOutput_ != null) {
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Spec for custom output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearCustomOutput() {
+      bitField0_ = (bitField0_ & ~0x00000004);
+      customOutput_ = null;
+      if (customOutputBuilder_ != null) {
+        customOutputBuilder_.dispose();
+        customOutputBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Spec for custom output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.CustomOutput.Builder getCustomOutputBuilder() {
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return internalGetCustomOutputFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Spec for custom output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.CustomOutputOrBuilder getCustomOutputOrBuilder() {
+      if (customOutputBuilder_ != null) {
+        return customOutputBuilder_.getMessageOrBuilder();
+      } else {
+        return customOutput_ == null
+            ? com.google.cloud.aiplatform.v1.CustomOutput.getDefaultInstance()
+            : customOutput_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Spec for custom output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.CustomOutput,
+            com.google.cloud.aiplatform.v1.CustomOutput.Builder,
+            com.google.cloud.aiplatform.v1.CustomOutputOrBuilder>
+        internalGetCustomOutputFieldBuilder() {
+      if (customOutputBuilder_ == null) {
+        customOutputBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.CustomOutput,
+                com.google.cloud.aiplatform.v1.CustomOutput.Builder,
+                com.google.cloud.aiplatform.v1.CustomOutputOrBuilder>(
+                getCustomOutput(), getParentForChildren(), isClean());
+        customOutput_ = null;
+      }
+      return customOutputBuilder_;
+    }
+
     // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.PairwiseMetricResult)
   }
 
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricResultOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricResultOrBuilder.java
index 2cfad98c0c27..9c7941aa3804 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricResultOrBuilder.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricResultOrBuilder.java
@@ -81,4 +81,47 @@ public interface PairwiseMetricResultOrBuilder
    * @return The bytes for explanation.
    */
   com.google.protobuf.ByteString getExplanationBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Spec for custom output.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the customOutput field is set.
+   */
+  boolean hasCustomOutput();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Spec for custom output.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The customOutput.
+   */
+  com.google.cloud.aiplatform.v1.CustomOutput getCustomOutput();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Spec for custom output.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.CustomOutputOrBuilder getCustomOutputOrBuilder();
 }
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricSpec.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricSpec.java
index 0a59416c41f4..d431e3c736f7 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricSpec.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricSpec.java
@@ -53,6 +53,9 @@ private PairwiseMetricSpec(com.google.protobuf.GeneratedMessage.Builder<?> build
 
   private PairwiseMetricSpec() {
     metricPromptTemplate_ = "";
+    candidateResponseFieldName_ = "";
+    baselineResponseFieldName_ = "";
+    systemInstruction_ = "";
   }
 
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
@@ -143,6 +146,255 @@ public com.google.protobuf.ByteString getMetricPromptTemplateBytes() {
     }
   }
 
+  public static final int CANDIDATE_RESPONSE_FIELD_NAME_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object candidateResponseFieldName_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The field name of the candidate response.
+   * </pre>
+   *
+   * <code>string candidate_response_field_name = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The candidateResponseFieldName.
+   */
+  @java.lang.Override
+  public java.lang.String getCandidateResponseFieldName() {
+    java.lang.Object ref = candidateResponseFieldName_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      candidateResponseFieldName_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The field name of the candidate response.
+   * </pre>
+   *
+   * <code>string candidate_response_field_name = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The bytes for candidateResponseFieldName.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getCandidateResponseFieldNameBytes() {
+    java.lang.Object ref = candidateResponseFieldName_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      candidateResponseFieldName_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int BASELINE_RESPONSE_FIELD_NAME_FIELD_NUMBER = 3;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object baselineResponseFieldName_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The field name of the baseline response.
+   * </pre>
+   *
+   * <code>string baseline_response_field_name = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The baselineResponseFieldName.
+   */
+  @java.lang.Override
+  public java.lang.String getBaselineResponseFieldName() {
+    java.lang.Object ref = baselineResponseFieldName_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      baselineResponseFieldName_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The field name of the baseline response.
+   * </pre>
+   *
+   * <code>string baseline_response_field_name = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for baselineResponseFieldName.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getBaselineResponseFieldNameBytes() {
+    java.lang.Object ref = baselineResponseFieldName_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      baselineResponseFieldName_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int SYSTEM_INSTRUCTION_FIELD_NUMBER = 4;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object systemInstruction_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. System instructions for pairwise metric.
+   * </pre>
+   *
+   * <code>optional string system_instruction = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the systemInstruction field is set.
+   */
+  @java.lang.Override
+  public boolean hasSystemInstruction() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. System instructions for pairwise metric.
+   * </pre>
+   *
+   * <code>optional string system_instruction = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The systemInstruction.
+   */
+  @java.lang.Override
+  public java.lang.String getSystemInstruction() {
+    java.lang.Object ref = systemInstruction_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      systemInstruction_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. System instructions for pairwise metric.
+   * </pre>
+   *
+   * <code>optional string system_instruction = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for systemInstruction.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getSystemInstructionBytes() {
+    java.lang.Object ref = systemInstruction_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      systemInstruction_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int CUSTOM_OUTPUT_FORMAT_CONFIG_FIELD_NUMBER = 5;
+  private com.google.cloud.aiplatform.v1.CustomOutputFormatConfig customOutputFormatConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. CustomOutputFormatConfig allows customization of metric output.
+   * When this config is set, the default output is replaced with
+   * the raw output string.
+   * If a custom format is chosen, the `pairwise_choice` and `explanation`
+   * fields in the corresponding metric result will be empty.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the customOutputFormatConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasCustomOutputFormatConfig() {
+    return ((bitField0_ & 0x00000004) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. CustomOutputFormatConfig allows customization of metric output.
+   * When this config is set, the default output is replaced with
+   * the raw output string.
+   * If a custom format is chosen, the `pairwise_choice` and `explanation`
+   * fields in the corresponding metric result will be empty.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The customOutputFormatConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.CustomOutputFormatConfig getCustomOutputFormatConfig() {
+    return customOutputFormatConfig_ == null
+        ? com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.getDefaultInstance()
+        : customOutputFormatConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. CustomOutputFormatConfig allows customization of metric output.
+   * When this config is set, the default output is replaced with
+   * the raw output string.
+   * If a custom format is chosen, the `pairwise_choice` and `explanation`
+   * fields in the corresponding metric result will be empty.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.CustomOutputFormatConfigOrBuilder
+      getCustomOutputFormatConfigOrBuilder() {
+    return customOutputFormatConfig_ == null
+        ? com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.getDefaultInstance()
+        : customOutputFormatConfig_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -160,6 +412,18 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000001) != 0)) {
       com.google.protobuf.GeneratedMessage.writeString(output, 1, metricPromptTemplate_);
     }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(candidateResponseFieldName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, candidateResponseFieldName_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(baselineResponseFieldName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, baselineResponseFieldName_);
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 4, systemInstruction_);
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      output.writeMessage(5, getCustomOutputFormatConfig());
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -172,6 +436,21 @@ public int getSerializedSize() {
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.GeneratedMessage.computeStringSize(1, metricPromptTemplate_);
     }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(candidateResponseFieldName_)) {
+      size +=
+          com.google.protobuf.GeneratedMessage.computeStringSize(2, candidateResponseFieldName_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(baselineResponseFieldName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(3, baselineResponseFieldName_);
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(4, systemInstruction_);
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              5, getCustomOutputFormatConfig());
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -192,6 +471,17 @@ public boolean equals(final java.lang.Object obj) {
     if (hasMetricPromptTemplate()) {
       if (!getMetricPromptTemplate().equals(other.getMetricPromptTemplate())) return false;
     }
+    if (!getCandidateResponseFieldName().equals(other.getCandidateResponseFieldName()))
+      return false;
+    if (!getBaselineResponseFieldName().equals(other.getBaselineResponseFieldName())) return false;
+    if (hasSystemInstruction() != other.hasSystemInstruction()) return false;
+    if (hasSystemInstruction()) {
+      if (!getSystemInstruction().equals(other.getSystemInstruction())) return false;
+    }
+    if (hasCustomOutputFormatConfig() != other.hasCustomOutputFormatConfig()) return false;
+    if (hasCustomOutputFormatConfig()) {
+      if (!getCustomOutputFormatConfig().equals(other.getCustomOutputFormatConfig())) return false;
+    }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -207,6 +497,18 @@ public int hashCode() {
       hash = (37 * hash) + METRIC_PROMPT_TEMPLATE_FIELD_NUMBER;
       hash = (53 * hash) + getMetricPromptTemplate().hashCode();
     }
+    hash = (37 * hash) + CANDIDATE_RESPONSE_FIELD_NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getCandidateResponseFieldName().hashCode();
+    hash = (37 * hash) + BASELINE_RESPONSE_FIELD_NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getBaselineResponseFieldName().hashCode();
+    if (hasSystemInstruction()) {
+      hash = (37 * hash) + SYSTEM_INSTRUCTION_FIELD_NUMBER;
+      hash = (53 * hash) + getSystemInstruction().hashCode();
+    }
+    if (hasCustomOutputFormatConfig()) {
+      hash = (37 * hash) + CUSTOM_OUTPUT_FORMAT_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getCustomOutputFormatConfig().hashCode();
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -337,10 +639,19 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     // Construct using com.google.cloud.aiplatform.v1.PairwiseMetricSpec.newBuilder()
-    private Builder() {}
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
 
     private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetCustomOutputFormatConfigFieldBuilder();
+      }
     }
 
     @java.lang.Override
@@ -348,6 +659,14 @@ public Builder clear() {
       super.clear();
       bitField0_ = 0;
       metricPromptTemplate_ = "";
+      candidateResponseFieldName_ = "";
+      baselineResponseFieldName_ = "";
+      systemInstruction_ = "";
+      customOutputFormatConfig_ = null;
+      if (customOutputFormatConfigBuilder_ != null) {
+        customOutputFormatConfigBuilder_.dispose();
+        customOutputFormatConfigBuilder_ = null;
+      }
       return this;
     }
 
@@ -389,6 +708,23 @@ private void buildPartial0(com.google.cloud.aiplatform.v1.PairwiseMetricSpec res
         result.metricPromptTemplate_ = metricPromptTemplate_;
         to_bitField0_ |= 0x00000001;
       }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.candidateResponseFieldName_ = candidateResponseFieldName_;
+      }
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.baselineResponseFieldName_ = baselineResponseFieldName_;
+      }
+      if (((from_bitField0_ & 0x00000008) != 0)) {
+        result.systemInstruction_ = systemInstruction_;
+        to_bitField0_ |= 0x00000002;
+      }
+      if (((from_bitField0_ & 0x00000010) != 0)) {
+        result.customOutputFormatConfig_ =
+            customOutputFormatConfigBuilder_ == null
+                ? customOutputFormatConfig_
+                : customOutputFormatConfigBuilder_.build();
+        to_bitField0_ |= 0x00000004;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
@@ -410,6 +746,24 @@ public Builder mergeFrom(com.google.cloud.aiplatform.v1.PairwiseMetricSpec other
         bitField0_ |= 0x00000001;
         onChanged();
       }
+      if (!other.getCandidateResponseFieldName().isEmpty()) {
+        candidateResponseFieldName_ = other.candidateResponseFieldName_;
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      if (!other.getBaselineResponseFieldName().isEmpty()) {
+        baselineResponseFieldName_ = other.baselineResponseFieldName_;
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      if (other.hasSystemInstruction()) {
+        systemInstruction_ = other.systemInstruction_;
+        bitField0_ |= 0x00000008;
+        onChanged();
+      }
+      if (other.hasCustomOutputFormatConfig()) {
+        mergeCustomOutputFormatConfig(other.getCustomOutputFormatConfig());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -442,6 +796,32 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
+            case 18:
+              {
+                candidateResponseFieldName_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            case 26:
+              {
+                baselineResponseFieldName_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 26
+            case 34:
+              {
+                systemInstruction_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 34
+            case 42:
+              {
+                input.readMessage(
+                    internalGetCustomOutputFormatConfigFieldBuilder().getBuilder(),
+                    extensionRegistry);
+                bitField0_ |= 0x00000010;
+                break;
+              } // case 42
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -593,6 +973,624 @@ public Builder setMetricPromptTemplateBytes(com.google.protobuf.ByteString value
       return this;
     }
 
+    private java.lang.Object candidateResponseFieldName_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The field name of the candidate response.
+     * </pre>
+     *
+     * <code>string candidate_response_field_name = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The candidateResponseFieldName.
+     */
+    public java.lang.String getCandidateResponseFieldName() {
+      java.lang.Object ref = candidateResponseFieldName_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        candidateResponseFieldName_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The field name of the candidate response.
+     * </pre>
+     *
+     * <code>string candidate_response_field_name = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The bytes for candidateResponseFieldName.
+     */
+    public com.google.protobuf.ByteString getCandidateResponseFieldNameBytes() {
+      java.lang.Object ref = candidateResponseFieldName_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        candidateResponseFieldName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The field name of the candidate response.
+     * </pre>
+     *
+     * <code>string candidate_response_field_name = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The candidateResponseFieldName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setCandidateResponseFieldName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      candidateResponseFieldName_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The field name of the candidate response.
+     * </pre>
+     *
+     * <code>string candidate_response_field_name = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearCandidateResponseFieldName() {
+      candidateResponseFieldName_ = getDefaultInstance().getCandidateResponseFieldName();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The field name of the candidate response.
+     * </pre>
+     *
+     * <code>string candidate_response_field_name = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The bytes for candidateResponseFieldName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setCandidateResponseFieldNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      candidateResponseFieldName_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object baselineResponseFieldName_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The field name of the baseline response.
+     * </pre>
+     *
+     * <code>string baseline_response_field_name = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The baselineResponseFieldName.
+     */
+    public java.lang.String getBaselineResponseFieldName() {
+      java.lang.Object ref = baselineResponseFieldName_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        baselineResponseFieldName_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The field name of the baseline response.
+     * </pre>
+     *
+     * <code>string baseline_response_field_name = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The bytes for baselineResponseFieldName.
+     */
+    public com.google.protobuf.ByteString getBaselineResponseFieldNameBytes() {
+      java.lang.Object ref = baselineResponseFieldName_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        baselineResponseFieldName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The field name of the baseline response.
+     * </pre>
+     *
+     * <code>string baseline_response_field_name = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The baselineResponseFieldName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setBaselineResponseFieldName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      baselineResponseFieldName_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The field name of the baseline response.
+     * </pre>
+     *
+     * <code>string baseline_response_field_name = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearBaselineResponseFieldName() {
+      baselineResponseFieldName_ = getDefaultInstance().getBaselineResponseFieldName();
+      bitField0_ = (bitField0_ & ~0x00000004);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The field name of the baseline response.
+     * </pre>
+     *
+     * <code>string baseline_response_field_name = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The bytes for baselineResponseFieldName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setBaselineResponseFieldNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      baselineResponseFieldName_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object systemInstruction_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. System instructions for pairwise metric.
+     * </pre>
+     *
+     * <code>optional string system_instruction = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the systemInstruction field is set.
+     */
+    public boolean hasSystemInstruction() {
+      return ((bitField0_ & 0x00000008) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. System instructions for pairwise metric.
+     * </pre>
+     *
+     * <code>optional string system_instruction = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The systemInstruction.
+     */
+    public java.lang.String getSystemInstruction() {
+      java.lang.Object ref = systemInstruction_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        systemInstruction_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. System instructions for pairwise metric.
+     * </pre>
+     *
+     * <code>optional string system_instruction = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The bytes for systemInstruction.
+     */
+    public com.google.protobuf.ByteString getSystemInstructionBytes() {
+      java.lang.Object ref = systemInstruction_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        systemInstruction_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. System instructions for pairwise metric.
+     * </pre>
+     *
+     * <code>optional string system_instruction = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The systemInstruction to set.
+     * @return This builder for chaining.
+     */
+    public Builder setSystemInstruction(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      systemInstruction_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. System instructions for pairwise metric.
+     * </pre>
+     *
+     * <code>optional string system_instruction = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearSystemInstruction() {
+      systemInstruction_ = getDefaultInstance().getSystemInstruction();
+      bitField0_ = (bitField0_ & ~0x00000008);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. System instructions for pairwise metric.
+     * </pre>
+     *
+     * <code>optional string system_instruction = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The bytes for systemInstruction to set.
+     * @return This builder for chaining.
+     */
+    public Builder setSystemInstructionBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      systemInstruction_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    private com.google.cloud.aiplatform.v1.CustomOutputFormatConfig customOutputFormatConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.CustomOutputFormatConfig,
+            com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.Builder,
+            com.google.cloud.aiplatform.v1.CustomOutputFormatConfigOrBuilder>
+        customOutputFormatConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. CustomOutputFormatConfig allows customization of metric output.
+     * When this config is set, the default output is replaced with
+     * the raw output string.
+     * If a custom format is chosen, the `pairwise_choice` and `explanation`
+     * fields in the corresponding metric result will be empty.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the customOutputFormatConfig field is set.
+     */
+    public boolean hasCustomOutputFormatConfig() {
+      return ((bitField0_ & 0x00000010) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. CustomOutputFormatConfig allows customization of metric output.
+     * When this config is set, the default output is replaced with
+     * the raw output string.
+     * If a custom format is chosen, the `pairwise_choice` and `explanation`
+     * fields in the corresponding metric result will be empty.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The customOutputFormatConfig.
+     */
+    public com.google.cloud.aiplatform.v1.CustomOutputFormatConfig getCustomOutputFormatConfig() {
+      if (customOutputFormatConfigBuilder_ == null) {
+        return customOutputFormatConfig_ == null
+            ? com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.getDefaultInstance()
+            : customOutputFormatConfig_;
+      } else {
+        return customOutputFormatConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. CustomOutputFormatConfig allows customization of metric output.
+     * When this config is set, the default output is replaced with
+     * the raw output string.
+     * If a custom format is chosen, the `pairwise_choice` and `explanation`
+     * fields in the corresponding metric result will be empty.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setCustomOutputFormatConfig(
+        com.google.cloud.aiplatform.v1.CustomOutputFormatConfig value) {
+      if (customOutputFormatConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        customOutputFormatConfig_ = value;
+      } else {
+        customOutputFormatConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. CustomOutputFormatConfig allows customization of metric output.
+     * When this config is set, the default output is replaced with
+     * the raw output string.
+     * If a custom format is chosen, the `pairwise_choice` and `explanation`
+     * fields in the corresponding metric result will be empty.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setCustomOutputFormatConfig(
+        com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.Builder builderForValue) {
+      if (customOutputFormatConfigBuilder_ == null) {
+        customOutputFormatConfig_ = builderForValue.build();
+      } else {
+        customOutputFormatConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. CustomOutputFormatConfig allows customization of metric output.
+     * When this config is set, the default output is replaced with
+     * the raw output string.
+     * If a custom format is chosen, the `pairwise_choice` and `explanation`
+     * fields in the corresponding metric result will be empty.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeCustomOutputFormatConfig(
+        com.google.cloud.aiplatform.v1.CustomOutputFormatConfig value) {
+      if (customOutputFormatConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000010) != 0)
+            && customOutputFormatConfig_ != null
+            && customOutputFormatConfig_
+                != com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.getDefaultInstance()) {
+          getCustomOutputFormatConfigBuilder().mergeFrom(value);
+        } else {
+          customOutputFormatConfig_ = value;
+        }
+      } else {
+        customOutputFormatConfigBuilder_.mergeFrom(value);
+      }
+      if (customOutputFormatConfig_ != null) {
+        bitField0_ |= 0x00000010;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. CustomOutputFormatConfig allows customization of metric output.
+     * When this config is set, the default output is replaced with
+     * the raw output string.
+     * If a custom format is chosen, the `pairwise_choice` and `explanation`
+     * fields in the corresponding metric result will be empty.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearCustomOutputFormatConfig() {
+      bitField0_ = (bitField0_ & ~0x00000010);
+      customOutputFormatConfig_ = null;
+      if (customOutputFormatConfigBuilder_ != null) {
+        customOutputFormatConfigBuilder_.dispose();
+        customOutputFormatConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. CustomOutputFormatConfig allows customization of metric output.
+     * When this config is set, the default output is replaced with
+     * the raw output string.
+     * If a custom format is chosen, the `pairwise_choice` and `explanation`
+     * fields in the corresponding metric result will be empty.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.Builder
+        getCustomOutputFormatConfigBuilder() {
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return internalGetCustomOutputFormatConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. CustomOutputFormatConfig allows customization of metric output.
+     * When this config is set, the default output is replaced with
+     * the raw output string.
+     * If a custom format is chosen, the `pairwise_choice` and `explanation`
+     * fields in the corresponding metric result will be empty.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.CustomOutputFormatConfigOrBuilder
+        getCustomOutputFormatConfigOrBuilder() {
+      if (customOutputFormatConfigBuilder_ != null) {
+        return customOutputFormatConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return customOutputFormatConfig_ == null
+            ? com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.getDefaultInstance()
+            : customOutputFormatConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. CustomOutputFormatConfig allows customization of metric output.
+     * When this config is set, the default output is replaced with
+     * the raw output string.
+     * If a custom format is chosen, the `pairwise_choice` and `explanation`
+     * fields in the corresponding metric result will be empty.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.CustomOutputFormatConfig,
+            com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.Builder,
+            com.google.cloud.aiplatform.v1.CustomOutputFormatConfigOrBuilder>
+        internalGetCustomOutputFormatConfigFieldBuilder() {
+      if (customOutputFormatConfigBuilder_ == null) {
+        customOutputFormatConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.CustomOutputFormatConfig,
+                com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.Builder,
+                com.google.cloud.aiplatform.v1.CustomOutputFormatConfigOrBuilder>(
+                getCustomOutputFormatConfig(), getParentForChildren(), isClean());
+        customOutputFormatConfig_ = null;
+      }
+      return customOutputFormatConfigBuilder_;
+    }
+
     // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.PairwiseMetricSpec)
   }
 
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricSpecOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricSpecOrBuilder.java
index a2663701ad27..8c80364da898 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricSpecOrBuilder.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PairwiseMetricSpecOrBuilder.java
@@ -67,4 +67,153 @@ public interface PairwiseMetricSpecOrBuilder
    * @return The bytes for metricPromptTemplate.
    */
   com.google.protobuf.ByteString getMetricPromptTemplateBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The field name of the candidate response.
+   * </pre>
+   *
+   * <code>string candidate_response_field_name = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The candidateResponseFieldName.
+   */
+  java.lang.String getCandidateResponseFieldName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The field name of the candidate response.
+   * </pre>
+   *
+   * <code>string candidate_response_field_name = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The bytes for candidateResponseFieldName.
+   */
+  com.google.protobuf.ByteString getCandidateResponseFieldNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The field name of the baseline response.
+   * </pre>
+   *
+   * <code>string baseline_response_field_name = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The baselineResponseFieldName.
+   */
+  java.lang.String getBaselineResponseFieldName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The field name of the baseline response.
+   * </pre>
+   *
+   * <code>string baseline_response_field_name = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for baselineResponseFieldName.
+   */
+  com.google.protobuf.ByteString getBaselineResponseFieldNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. System instructions for pairwise metric.
+   * </pre>
+   *
+   * <code>optional string system_instruction = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the systemInstruction field is set.
+   */
+  boolean hasSystemInstruction();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. System instructions for pairwise metric.
+   * </pre>
+   *
+   * <code>optional string system_instruction = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The systemInstruction.
+   */
+  java.lang.String getSystemInstruction();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. System instructions for pairwise metric.
+   * </pre>
+   *
+   * <code>optional string system_instruction = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for systemInstruction.
+   */
+  com.google.protobuf.ByteString getSystemInstructionBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. CustomOutputFormatConfig allows customization of metric output.
+   * When this config is set, the default output is replaced with
+   * the raw output string.
+   * If a custom format is chosen, the `pairwise_choice` and `explanation`
+   * fields in the corresponding metric result will be empty.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the customOutputFormatConfig field is set.
+   */
+  boolean hasCustomOutputFormatConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. CustomOutputFormatConfig allows customization of metric output.
+   * When this config is set, the default output is replaced with
+   * the raw output string.
+   * If a custom format is chosen, the `pairwise_choice` and `explanation`
+   * fields in the corresponding metric result will be empty.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The customOutputFormatConfig.
+   */
+  com.google.cloud.aiplatform.v1.CustomOutputFormatConfig getCustomOutputFormatConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. CustomOutputFormatConfig allows customization of metric output.
+   * When this config is set, the default output is replaced with
+   * the raw output string.
+   * If a custom format is chosen, the `pairwise_choice` and `explanation`
+   * fields in the corresponding metric result will be empty.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.CustomOutputFormatConfigOrBuilder
+      getCustomOutputFormatConfigOrBuilder();
 }
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricInstance.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricInstance.java
index 3bbf8664f4da..c0ef4259bc46 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricInstance.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricInstance.java
@@ -79,6 +79,7 @@ public enum InstanceCase
           com.google.protobuf.Internal.EnumLite,
           com.google.protobuf.AbstractMessage.InternalOneOfEnum {
     JSON_INSTANCE(1),
+    CONTENT_MAP_INSTANCE(2),
     INSTANCE_NOT_SET(0);
     private final int value;
 
@@ -100,6 +101,8 @@ public static InstanceCase forNumber(int value) {
       switch (value) {
         case 1:
           return JSON_INSTANCE;
+        case 2:
+          return CONTENT_MAP_INSTANCE;
         case 0:
           return INSTANCE_NOT_SET;
         default:
@@ -195,6 +198,66 @@ public com.google.protobuf.ByteString getJsonInstanceBytes() {
     }
   }
 
+  public static final int CONTENT_MAP_INSTANCE_FIELD_NUMBER = 2;
+
+  /**
+   *
+   *
+   * <pre>
+   * Key-value contents for the mutlimodality input, including text, image,
+   * video, audio, and pdf, etc. The key is placeholder in metric prompt
+   * template, and the value is the multimodal content.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+   *
+   * @return Whether the contentMapInstance field is set.
+   */
+  @java.lang.Override
+  public boolean hasContentMapInstance() {
+    return instanceCase_ == 2;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Key-value contents for the mutlimodality input, including text, image,
+   * video, audio, and pdf, etc. The key is placeholder in metric prompt
+   * template, and the value is the multimodal content.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+   *
+   * @return The contentMapInstance.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.ContentMap getContentMapInstance() {
+    if (instanceCase_ == 2) {
+      return (com.google.cloud.aiplatform.v1.ContentMap) instance_;
+    }
+    return com.google.cloud.aiplatform.v1.ContentMap.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Key-value contents for the mutlimodality input, including text, image,
+   * video, audio, and pdf, etc. The key is placeholder in metric prompt
+   * template, and the value is the multimodal content.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.ContentMapOrBuilder getContentMapInstanceOrBuilder() {
+    if (instanceCase_ == 2) {
+      return (com.google.cloud.aiplatform.v1.ContentMap) instance_;
+    }
+    return com.google.cloud.aiplatform.v1.ContentMap.getDefaultInstance();
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -212,6 +275,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (instanceCase_ == 1) {
       com.google.protobuf.GeneratedMessage.writeString(output, 1, instance_);
     }
+    if (instanceCase_ == 2) {
+      output.writeMessage(2, (com.google.cloud.aiplatform.v1.ContentMap) instance_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -224,6 +290,11 @@ public int getSerializedSize() {
     if (instanceCase_ == 1) {
       size += com.google.protobuf.GeneratedMessage.computeStringSize(1, instance_);
     }
+    if (instanceCase_ == 2) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              2, (com.google.cloud.aiplatform.v1.ContentMap) instance_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -245,6 +316,9 @@ public boolean equals(final java.lang.Object obj) {
       case 1:
         if (!getJsonInstance().equals(other.getJsonInstance())) return false;
         break;
+      case 2:
+        if (!getContentMapInstance().equals(other.getContentMapInstance())) return false;
+        break;
       case 0:
       default:
     }
@@ -264,6 +338,10 @@ public int hashCode() {
         hash = (37 * hash) + JSON_INSTANCE_FIELD_NUMBER;
         hash = (53 * hash) + getJsonInstance().hashCode();
         break;
+      case 2:
+        hash = (37 * hash) + CONTENT_MAP_INSTANCE_FIELD_NUMBER;
+        hash = (53 * hash) + getContentMapInstance().hashCode();
+        break;
       case 0:
       default:
     }
@@ -409,6 +487,9 @@ private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     public Builder clear() {
       super.clear();
       bitField0_ = 0;
+      if (contentMapInstanceBuilder_ != null) {
+        contentMapInstanceBuilder_.clear();
+      }
       instanceCase_ = 0;
       instance_ = null;
       return this;
@@ -453,6 +534,9 @@ private void buildPartial0(com.google.cloud.aiplatform.v1.PointwiseMetricInstanc
     private void buildPartialOneofs(com.google.cloud.aiplatform.v1.PointwiseMetricInstance result) {
       result.instanceCase_ = instanceCase_;
       result.instance_ = this.instance_;
+      if (instanceCase_ == 2 && contentMapInstanceBuilder_ != null) {
+        result.instance_ = contentMapInstanceBuilder_.build();
+      }
     }
 
     @java.lang.Override
@@ -476,6 +560,11 @@ public Builder mergeFrom(com.google.cloud.aiplatform.v1.PointwiseMetricInstance
             onChanged();
             break;
           }
+        case CONTENT_MAP_INSTANCE:
+          {
+            mergeContentMapInstance(other.getContentMapInstance());
+            break;
+          }
         case INSTANCE_NOT_SET:
           {
             break;
@@ -514,6 +603,13 @@ public Builder mergeFrom(
                 instance_ = s;
                 break;
               } // case 10
+            case 18:
+              {
+                input.readMessage(
+                    internalGetContentMapInstanceFieldBuilder().getBuilder(), extensionRegistry);
+                instanceCase_ = 2;
+                break;
+              } // case 18
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -698,6 +794,242 @@ public Builder setJsonInstanceBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.ContentMap,
+            com.google.cloud.aiplatform.v1.ContentMap.Builder,
+            com.google.cloud.aiplatform.v1.ContentMapOrBuilder>
+        contentMapInstanceBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Key-value contents for the mutlimodality input, including text, image,
+     * video, audio, and pdf, etc. The key is placeholder in metric prompt
+     * template, and the value is the multimodal content.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+     *
+     * @return Whether the contentMapInstance field is set.
+     */
+    @java.lang.Override
+    public boolean hasContentMapInstance() {
+      return instanceCase_ == 2;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Key-value contents for the mutlimodality input, including text, image,
+     * video, audio, and pdf, etc. The key is placeholder in metric prompt
+     * template, and the value is the multimodal content.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+     *
+     * @return The contentMapInstance.
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ContentMap getContentMapInstance() {
+      if (contentMapInstanceBuilder_ == null) {
+        if (instanceCase_ == 2) {
+          return (com.google.cloud.aiplatform.v1.ContentMap) instance_;
+        }
+        return com.google.cloud.aiplatform.v1.ContentMap.getDefaultInstance();
+      } else {
+        if (instanceCase_ == 2) {
+          return contentMapInstanceBuilder_.getMessage();
+        }
+        return com.google.cloud.aiplatform.v1.ContentMap.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Key-value contents for the mutlimodality input, including text, image,
+     * video, audio, and pdf, etc. The key is placeholder in metric prompt
+     * template, and the value is the multimodal content.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+     */
+    public Builder setContentMapInstance(com.google.cloud.aiplatform.v1.ContentMap value) {
+      if (contentMapInstanceBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        instance_ = value;
+        onChanged();
+      } else {
+        contentMapInstanceBuilder_.setMessage(value);
+      }
+      instanceCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Key-value contents for the mutlimodality input, including text, image,
+     * video, audio, and pdf, etc. The key is placeholder in metric prompt
+     * template, and the value is the multimodal content.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+     */
+    public Builder setContentMapInstance(
+        com.google.cloud.aiplatform.v1.ContentMap.Builder builderForValue) {
+      if (contentMapInstanceBuilder_ == null) {
+        instance_ = builderForValue.build();
+        onChanged();
+      } else {
+        contentMapInstanceBuilder_.setMessage(builderForValue.build());
+      }
+      instanceCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Key-value contents for the mutlimodality input, including text, image,
+     * video, audio, and pdf, etc. The key is placeholder in metric prompt
+     * template, and the value is the multimodal content.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+     */
+    public Builder mergeContentMapInstance(com.google.cloud.aiplatform.v1.ContentMap value) {
+      if (contentMapInstanceBuilder_ == null) {
+        if (instanceCase_ == 2
+            && instance_ != com.google.cloud.aiplatform.v1.ContentMap.getDefaultInstance()) {
+          instance_ =
+              com.google.cloud.aiplatform.v1.ContentMap.newBuilder(
+                      (com.google.cloud.aiplatform.v1.ContentMap) instance_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          instance_ = value;
+        }
+        onChanged();
+      } else {
+        if (instanceCase_ == 2) {
+          contentMapInstanceBuilder_.mergeFrom(value);
+        } else {
+          contentMapInstanceBuilder_.setMessage(value);
+        }
+      }
+      instanceCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Key-value contents for the mutlimodality input, including text, image,
+     * video, audio, and pdf, etc. The key is placeholder in metric prompt
+     * template, and the value is the multimodal content.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+     */
+    public Builder clearContentMapInstance() {
+      if (contentMapInstanceBuilder_ == null) {
+        if (instanceCase_ == 2) {
+          instanceCase_ = 0;
+          instance_ = null;
+          onChanged();
+        }
+      } else {
+        if (instanceCase_ == 2) {
+          instanceCase_ = 0;
+          instance_ = null;
+        }
+        contentMapInstanceBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Key-value contents for the mutlimodality input, including text, image,
+     * video, audio, and pdf, etc. The key is placeholder in metric prompt
+     * template, and the value is the multimodal content.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+     */
+    public com.google.cloud.aiplatform.v1.ContentMap.Builder getContentMapInstanceBuilder() {
+      return internalGetContentMapInstanceFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Key-value contents for the mutlimodality input, including text, image,
+     * video, audio, and pdf, etc. The key is placeholder in metric prompt
+     * template, and the value is the multimodal content.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.ContentMapOrBuilder getContentMapInstanceOrBuilder() {
+      if ((instanceCase_ == 2) && (contentMapInstanceBuilder_ != null)) {
+        return contentMapInstanceBuilder_.getMessageOrBuilder();
+      } else {
+        if (instanceCase_ == 2) {
+          return (com.google.cloud.aiplatform.v1.ContentMap) instance_;
+        }
+        return com.google.cloud.aiplatform.v1.ContentMap.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Key-value contents for the mutlimodality input, including text, image,
+     * video, audio, and pdf, etc. The key is placeholder in metric prompt
+     * template, and the value is the multimodal content.
+     * </pre>
+     *
+     * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.ContentMap,
+            com.google.cloud.aiplatform.v1.ContentMap.Builder,
+            com.google.cloud.aiplatform.v1.ContentMapOrBuilder>
+        internalGetContentMapInstanceFieldBuilder() {
+      if (contentMapInstanceBuilder_ == null) {
+        if (!(instanceCase_ == 2)) {
+          instance_ = com.google.cloud.aiplatform.v1.ContentMap.getDefaultInstance();
+        }
+        contentMapInstanceBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.ContentMap,
+                com.google.cloud.aiplatform.v1.ContentMap.Builder,
+                com.google.cloud.aiplatform.v1.ContentMapOrBuilder>(
+                (com.google.cloud.aiplatform.v1.ContentMap) instance_,
+                getParentForChildren(),
+                isClean());
+        instance_ = null;
+      }
+      instanceCase_ = 2;
+      onChanged();
+      return contentMapInstanceBuilder_;
+    }
+
     // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.PointwiseMetricInstance)
   }
 
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricInstanceOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricInstanceOrBuilder.java
index fb7931ffe12d..2693d69fc780 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricInstanceOrBuilder.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricInstanceOrBuilder.java
@@ -71,5 +71,48 @@ public interface PointwiseMetricInstanceOrBuilder
    */
   com.google.protobuf.ByteString getJsonInstanceBytes();
 
+  /**
+   *
+   *
+   * <pre>
+   * Key-value contents for the mutlimodality input, including text, image,
+   * video, audio, and pdf, etc. The key is placeholder in metric prompt
+   * template, and the value is the multimodal content.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+   *
+   * @return Whether the contentMapInstance field is set.
+   */
+  boolean hasContentMapInstance();
+
+  /**
+   *
+   *
+   * <pre>
+   * Key-value contents for the mutlimodality input, including text, image,
+   * video, audio, and pdf, etc. The key is placeholder in metric prompt
+   * template, and the value is the multimodal content.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+   *
+   * @return The contentMapInstance.
+   */
+  com.google.cloud.aiplatform.v1.ContentMap getContentMapInstance();
+
+  /**
+   *
+   *
+   * <pre>
+   * Key-value contents for the mutlimodality input, including text, image,
+   * video, audio, and pdf, etc. The key is placeholder in metric prompt
+   * template, and the value is the multimodal content.
+   * </pre>
+   *
+   * <code>.google.cloud.aiplatform.v1.ContentMap content_map_instance = 2;</code>
+   */
+  com.google.cloud.aiplatform.v1.ContentMapOrBuilder getContentMapInstanceOrBuilder();
+
   com.google.cloud.aiplatform.v1.PointwiseMetricInstance.InstanceCase getInstanceCase();
 }
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricResult.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricResult.java
index cea6c782944a..8d5f4e89a81c 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricResult.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricResult.java
@@ -159,6 +159,65 @@ public com.google.protobuf.ByteString getExplanationBytes() {
     }
   }
 
+  public static final int CUSTOM_OUTPUT_FIELD_NUMBER = 3;
+  private com.google.cloud.aiplatform.v1.CustomOutput customOutput_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Spec for custom output.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the customOutput field is set.
+   */
+  @java.lang.Override
+  public boolean hasCustomOutput() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Spec for custom output.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The customOutput.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.CustomOutput getCustomOutput() {
+    return customOutput_ == null
+        ? com.google.cloud.aiplatform.v1.CustomOutput.getDefaultInstance()
+        : customOutput_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Spec for custom output.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.CustomOutputOrBuilder getCustomOutputOrBuilder() {
+    return customOutput_ == null
+        ? com.google.cloud.aiplatform.v1.CustomOutput.getDefaultInstance()
+        : customOutput_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -179,6 +238,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (!com.google.protobuf.GeneratedMessage.isStringEmpty(explanation_)) {
       com.google.protobuf.GeneratedMessage.writeString(output, 2, explanation_);
     }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(3, getCustomOutput());
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -194,6 +256,9 @@ public int getSerializedSize() {
     if (!com.google.protobuf.GeneratedMessage.isStringEmpty(explanation_)) {
       size += com.google.protobuf.GeneratedMessage.computeStringSize(2, explanation_);
     }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getCustomOutput());
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -216,6 +281,10 @@ public boolean equals(final java.lang.Object obj) {
           != java.lang.Float.floatToIntBits(other.getScore())) return false;
     }
     if (!getExplanation().equals(other.getExplanation())) return false;
+    if (hasCustomOutput() != other.hasCustomOutput()) return false;
+    if (hasCustomOutput()) {
+      if (!getCustomOutput().equals(other.getCustomOutput())) return false;
+    }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -233,6 +302,10 @@ public int hashCode() {
     }
     hash = (37 * hash) + EXPLANATION_FIELD_NUMBER;
     hash = (53 * hash) + getExplanation().hashCode();
+    if (hasCustomOutput()) {
+      hash = (37 * hash) + CUSTOM_OUTPUT_FIELD_NUMBER;
+      hash = (53 * hash) + getCustomOutput().hashCode();
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -363,10 +436,19 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     // Construct using com.google.cloud.aiplatform.v1.PointwiseMetricResult.newBuilder()
-    private Builder() {}
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
 
     private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetCustomOutputFieldBuilder();
+      }
     }
 
     @java.lang.Override
@@ -375,6 +457,11 @@ public Builder clear() {
       bitField0_ = 0;
       score_ = 0F;
       explanation_ = "";
+      customOutput_ = null;
+      if (customOutputBuilder_ != null) {
+        customOutputBuilder_.dispose();
+        customOutputBuilder_ = null;
+      }
       return this;
     }
 
@@ -419,6 +506,11 @@ private void buildPartial0(com.google.cloud.aiplatform.v1.PointwiseMetricResult
       if (((from_bitField0_ & 0x00000002) != 0)) {
         result.explanation_ = explanation_;
       }
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.customOutput_ =
+            customOutputBuilder_ == null ? customOutput_ : customOutputBuilder_.build();
+        to_bitField0_ |= 0x00000002;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
@@ -443,6 +535,9 @@ public Builder mergeFrom(com.google.cloud.aiplatform.v1.PointwiseMetricResult ot
         bitField0_ |= 0x00000002;
         onChanged();
       }
+      if (other.hasCustomOutput()) {
+        mergeCustomOutput(other.getCustomOutput());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -481,6 +576,13 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
+            case 26:
+              {
+                input.readMessage(
+                    internalGetCustomOutputFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 26
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -683,6 +785,219 @@ public Builder setExplanationBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    private com.google.cloud.aiplatform.v1.CustomOutput customOutput_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.CustomOutput,
+            com.google.cloud.aiplatform.v1.CustomOutput.Builder,
+            com.google.cloud.aiplatform.v1.CustomOutputOrBuilder>
+        customOutputBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Spec for custom output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the customOutput field is set.
+     */
+    public boolean hasCustomOutput() {
+      return ((bitField0_ & 0x00000004) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Spec for custom output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The customOutput.
+     */
+    public com.google.cloud.aiplatform.v1.CustomOutput getCustomOutput() {
+      if (customOutputBuilder_ == null) {
+        return customOutput_ == null
+            ? com.google.cloud.aiplatform.v1.CustomOutput.getDefaultInstance()
+            : customOutput_;
+      } else {
+        return customOutputBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Spec for custom output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setCustomOutput(com.google.cloud.aiplatform.v1.CustomOutput value) {
+      if (customOutputBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        customOutput_ = value;
+      } else {
+        customOutputBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Spec for custom output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setCustomOutput(
+        com.google.cloud.aiplatform.v1.CustomOutput.Builder builderForValue) {
+      if (customOutputBuilder_ == null) {
+        customOutput_ = builderForValue.build();
+      } else {
+        customOutputBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Spec for custom output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeCustomOutput(com.google.cloud.aiplatform.v1.CustomOutput value) {
+      if (customOutputBuilder_ == null) {
+        if (((bitField0_ & 0x00000004) != 0)
+            && customOutput_ != null
+            && customOutput_ != com.google.cloud.aiplatform.v1.CustomOutput.getDefaultInstance()) {
+          getCustomOutputBuilder().mergeFrom(value);
+        } else {
+          customOutput_ = value;
+        }
+      } else {
+        customOutputBuilder_.mergeFrom(value);
+      }
+      if (customOutput_ != null) {
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Spec for custom output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearCustomOutput() {
+      bitField0_ = (bitField0_ & ~0x00000004);
+      customOutput_ = null;
+      if (customOutputBuilder_ != null) {
+        customOutputBuilder_.dispose();
+        customOutputBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Spec for custom output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.CustomOutput.Builder getCustomOutputBuilder() {
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return internalGetCustomOutputFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Spec for custom output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.CustomOutputOrBuilder getCustomOutputOrBuilder() {
+      if (customOutputBuilder_ != null) {
+        return customOutputBuilder_.getMessageOrBuilder();
+      } else {
+        return customOutput_ == null
+            ? com.google.cloud.aiplatform.v1.CustomOutput.getDefaultInstance()
+            : customOutput_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Spec for custom output.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.CustomOutput,
+            com.google.cloud.aiplatform.v1.CustomOutput.Builder,
+            com.google.cloud.aiplatform.v1.CustomOutputOrBuilder>
+        internalGetCustomOutputFieldBuilder() {
+      if (customOutputBuilder_ == null) {
+        customOutputBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.CustomOutput,
+                com.google.cloud.aiplatform.v1.CustomOutput.Builder,
+                com.google.cloud.aiplatform.v1.CustomOutputOrBuilder>(
+                getCustomOutput(), getParentForChildren(), isClean());
+        customOutput_ = null;
+      }
+      return customOutputBuilder_;
+    }
+
     // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.PointwiseMetricResult)
   }
 
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricResultOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricResultOrBuilder.java
index 40d07ad48e22..bdf7ec599d3a 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricResultOrBuilder.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricResultOrBuilder.java
@@ -77,4 +77,47 @@ public interface PointwiseMetricResultOrBuilder
    * @return The bytes for explanation.
    */
   com.google.protobuf.ByteString getExplanationBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Spec for custom output.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the customOutput field is set.
+   */
+  boolean hasCustomOutput();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Spec for custom output.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The customOutput.
+   */
+  com.google.cloud.aiplatform.v1.CustomOutput getCustomOutput();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Spec for custom output.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutput custom_output = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.CustomOutputOrBuilder getCustomOutputOrBuilder();
 }
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricSpec.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricSpec.java
index 224cfcec15f9..3cd10e10fd62 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricSpec.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricSpec.java
@@ -53,6 +53,7 @@ private PointwiseMetricSpec(com.google.protobuf.GeneratedMessage.Builder<?> buil
 
   private PointwiseMetricSpec() {
     metricPromptTemplate_ = "";
+    systemInstruction_ = "";
   }
 
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
@@ -143,6 +144,153 @@ public com.google.protobuf.ByteString getMetricPromptTemplateBytes() {
     }
   }
 
+  public static final int SYSTEM_INSTRUCTION_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object systemInstruction_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. System instructions for pointwise metric.
+   * </pre>
+   *
+   * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the systemInstruction field is set.
+   */
+  @java.lang.Override
+  public boolean hasSystemInstruction() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. System instructions for pointwise metric.
+   * </pre>
+   *
+   * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The systemInstruction.
+   */
+  @java.lang.Override
+  public java.lang.String getSystemInstruction() {
+    java.lang.Object ref = systemInstruction_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      systemInstruction_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. System instructions for pointwise metric.
+   * </pre>
+   *
+   * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for systemInstruction.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getSystemInstructionBytes() {
+    java.lang.Object ref = systemInstruction_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      systemInstruction_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int CUSTOM_OUTPUT_FORMAT_CONFIG_FIELD_NUMBER = 3;
+  private com.google.cloud.aiplatform.v1.CustomOutputFormatConfig customOutputFormatConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. CustomOutputFormatConfig allows customization of metric output.
+   * By default, metrics return a score and explanation.
+   * When this config is set, the default output is replaced with either:
+   * - The raw output string.
+   * - A parsed output based on a user-defined schema.
+   * If a custom format is chosen, the `score` and `explanation` fields in the
+   * corresponding metric result will be empty.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the customOutputFormatConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasCustomOutputFormatConfig() {
+    return ((bitField0_ & 0x00000004) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. CustomOutputFormatConfig allows customization of metric output.
+   * By default, metrics return a score and explanation.
+   * When this config is set, the default output is replaced with either:
+   * - The raw output string.
+   * - A parsed output based on a user-defined schema.
+   * If a custom format is chosen, the `score` and `explanation` fields in the
+   * corresponding metric result will be empty.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The customOutputFormatConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.CustomOutputFormatConfig getCustomOutputFormatConfig() {
+    return customOutputFormatConfig_ == null
+        ? com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.getDefaultInstance()
+        : customOutputFormatConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. CustomOutputFormatConfig allows customization of metric output.
+   * By default, metrics return a score and explanation.
+   * When this config is set, the default output is replaced with either:
+   * - The raw output string.
+   * - A parsed output based on a user-defined schema.
+   * If a custom format is chosen, the `score` and `explanation` fields in the
+   * corresponding metric result will be empty.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.CustomOutputFormatConfigOrBuilder
+      getCustomOutputFormatConfigOrBuilder() {
+    return customOutputFormatConfig_ == null
+        ? com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.getDefaultInstance()
+        : customOutputFormatConfig_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -160,6 +308,12 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000001) != 0)) {
       com.google.protobuf.GeneratedMessage.writeString(output, 1, metricPromptTemplate_);
     }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, systemInstruction_);
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      output.writeMessage(3, getCustomOutputFormatConfig());
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -172,6 +326,14 @@ public int getSerializedSize() {
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.GeneratedMessage.computeStringSize(1, metricPromptTemplate_);
     }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, systemInstruction_);
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              3, getCustomOutputFormatConfig());
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -192,6 +354,14 @@ public boolean equals(final java.lang.Object obj) {
     if (hasMetricPromptTemplate()) {
       if (!getMetricPromptTemplate().equals(other.getMetricPromptTemplate())) return false;
     }
+    if (hasSystemInstruction() != other.hasSystemInstruction()) return false;
+    if (hasSystemInstruction()) {
+      if (!getSystemInstruction().equals(other.getSystemInstruction())) return false;
+    }
+    if (hasCustomOutputFormatConfig() != other.hasCustomOutputFormatConfig()) return false;
+    if (hasCustomOutputFormatConfig()) {
+      if (!getCustomOutputFormatConfig().equals(other.getCustomOutputFormatConfig())) return false;
+    }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -207,6 +377,14 @@ public int hashCode() {
       hash = (37 * hash) + METRIC_PROMPT_TEMPLATE_FIELD_NUMBER;
       hash = (53 * hash) + getMetricPromptTemplate().hashCode();
     }
+    if (hasSystemInstruction()) {
+      hash = (37 * hash) + SYSTEM_INSTRUCTION_FIELD_NUMBER;
+      hash = (53 * hash) + getSystemInstruction().hashCode();
+    }
+    if (hasCustomOutputFormatConfig()) {
+      hash = (37 * hash) + CUSTOM_OUTPUT_FORMAT_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getCustomOutputFormatConfig().hashCode();
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -337,10 +515,19 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     // Construct using com.google.cloud.aiplatform.v1.PointwiseMetricSpec.newBuilder()
-    private Builder() {}
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
 
     private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetCustomOutputFormatConfigFieldBuilder();
+      }
     }
 
     @java.lang.Override
@@ -348,6 +535,12 @@ public Builder clear() {
       super.clear();
       bitField0_ = 0;
       metricPromptTemplate_ = "";
+      systemInstruction_ = "";
+      customOutputFormatConfig_ = null;
+      if (customOutputFormatConfigBuilder_ != null) {
+        customOutputFormatConfigBuilder_.dispose();
+        customOutputFormatConfigBuilder_ = null;
+      }
       return this;
     }
 
@@ -389,6 +582,17 @@ private void buildPartial0(com.google.cloud.aiplatform.v1.PointwiseMetricSpec re
         result.metricPromptTemplate_ = metricPromptTemplate_;
         to_bitField0_ |= 0x00000001;
       }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.systemInstruction_ = systemInstruction_;
+        to_bitField0_ |= 0x00000002;
+      }
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.customOutputFormatConfig_ =
+            customOutputFormatConfigBuilder_ == null
+                ? customOutputFormatConfig_
+                : customOutputFormatConfigBuilder_.build();
+        to_bitField0_ |= 0x00000004;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
@@ -410,6 +614,14 @@ public Builder mergeFrom(com.google.cloud.aiplatform.v1.PointwiseMetricSpec othe
         bitField0_ |= 0x00000001;
         onChanged();
       }
+      if (other.hasSystemInstruction()) {
+        systemInstruction_ = other.systemInstruction_;
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      if (other.hasCustomOutputFormatConfig()) {
+        mergeCustomOutputFormatConfig(other.getCustomOutputFormatConfig());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -442,6 +654,20 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
+            case 18:
+              {
+                systemInstruction_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            case 26:
+              {
+                input.readMessage(
+                    internalGetCustomOutputFormatConfigFieldBuilder().getBuilder(),
+                    extensionRegistry);
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 26
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -593,6 +819,410 @@ public Builder setMetricPromptTemplateBytes(com.google.protobuf.ByteString value
       return this;
     }
 
+    private java.lang.Object systemInstruction_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. System instructions for pointwise metric.
+     * </pre>
+     *
+     * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the systemInstruction field is set.
+     */
+    public boolean hasSystemInstruction() {
+      return ((bitField0_ & 0x00000002) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. System instructions for pointwise metric.
+     * </pre>
+     *
+     * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The systemInstruction.
+     */
+    public java.lang.String getSystemInstruction() {
+      java.lang.Object ref = systemInstruction_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        systemInstruction_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. System instructions for pointwise metric.
+     * </pre>
+     *
+     * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The bytes for systemInstruction.
+     */
+    public com.google.protobuf.ByteString getSystemInstructionBytes() {
+      java.lang.Object ref = systemInstruction_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        systemInstruction_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. System instructions for pointwise metric.
+     * </pre>
+     *
+     * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The systemInstruction to set.
+     * @return This builder for chaining.
+     */
+    public Builder setSystemInstruction(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      systemInstruction_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. System instructions for pointwise metric.
+     * </pre>
+     *
+     * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearSystemInstruction() {
+      systemInstruction_ = getDefaultInstance().getSystemInstruction();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. System instructions for pointwise metric.
+     * </pre>
+     *
+     * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The bytes for systemInstruction to set.
+     * @return This builder for chaining.
+     */
+    public Builder setSystemInstructionBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      systemInstruction_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    private com.google.cloud.aiplatform.v1.CustomOutputFormatConfig customOutputFormatConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.CustomOutputFormatConfig,
+            com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.Builder,
+            com.google.cloud.aiplatform.v1.CustomOutputFormatConfigOrBuilder>
+        customOutputFormatConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. CustomOutputFormatConfig allows customization of metric output.
+     * By default, metrics return a score and explanation.
+     * When this config is set, the default output is replaced with either:
+     * - The raw output string.
+     * - A parsed output based on a user-defined schema.
+     * If a custom format is chosen, the `score` and `explanation` fields in the
+     * corresponding metric result will be empty.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the customOutputFormatConfig field is set.
+     */
+    public boolean hasCustomOutputFormatConfig() {
+      return ((bitField0_ & 0x00000004) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. CustomOutputFormatConfig allows customization of metric output.
+     * By default, metrics return a score and explanation.
+     * When this config is set, the default output is replaced with either:
+     * - The raw output string.
+     * - A parsed output based on a user-defined schema.
+     * If a custom format is chosen, the `score` and `explanation` fields in the
+     * corresponding metric result will be empty.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The customOutputFormatConfig.
+     */
+    public com.google.cloud.aiplatform.v1.CustomOutputFormatConfig getCustomOutputFormatConfig() {
+      if (customOutputFormatConfigBuilder_ == null) {
+        return customOutputFormatConfig_ == null
+            ? com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.getDefaultInstance()
+            : customOutputFormatConfig_;
+      } else {
+        return customOutputFormatConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. CustomOutputFormatConfig allows customization of metric output.
+     * By default, metrics return a score and explanation.
+     * When this config is set, the default output is replaced with either:
+     * - The raw output string.
+     * - A parsed output based on a user-defined schema.
+     * If a custom format is chosen, the `score` and `explanation` fields in the
+     * corresponding metric result will be empty.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setCustomOutputFormatConfig(
+        com.google.cloud.aiplatform.v1.CustomOutputFormatConfig value) {
+      if (customOutputFormatConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        customOutputFormatConfig_ = value;
+      } else {
+        customOutputFormatConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. CustomOutputFormatConfig allows customization of metric output.
+     * By default, metrics return a score and explanation.
+     * When this config is set, the default output is replaced with either:
+     * - The raw output string.
+     * - A parsed output based on a user-defined schema.
+     * If a custom format is chosen, the `score` and `explanation` fields in the
+     * corresponding metric result will be empty.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setCustomOutputFormatConfig(
+        com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.Builder builderForValue) {
+      if (customOutputFormatConfigBuilder_ == null) {
+        customOutputFormatConfig_ = builderForValue.build();
+      } else {
+        customOutputFormatConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. CustomOutputFormatConfig allows customization of metric output.
+     * By default, metrics return a score and explanation.
+     * When this config is set, the default output is replaced with either:
+     * - The raw output string.
+     * - A parsed output based on a user-defined schema.
+     * If a custom format is chosen, the `score` and `explanation` fields in the
+     * corresponding metric result will be empty.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeCustomOutputFormatConfig(
+        com.google.cloud.aiplatform.v1.CustomOutputFormatConfig value) {
+      if (customOutputFormatConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000004) != 0)
+            && customOutputFormatConfig_ != null
+            && customOutputFormatConfig_
+                != com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.getDefaultInstance()) {
+          getCustomOutputFormatConfigBuilder().mergeFrom(value);
+        } else {
+          customOutputFormatConfig_ = value;
+        }
+      } else {
+        customOutputFormatConfigBuilder_.mergeFrom(value);
+      }
+      if (customOutputFormatConfig_ != null) {
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. CustomOutputFormatConfig allows customization of metric output.
+     * By default, metrics return a score and explanation.
+     * When this config is set, the default output is replaced with either:
+     * - The raw output string.
+     * - A parsed output based on a user-defined schema.
+     * If a custom format is chosen, the `score` and `explanation` fields in the
+     * corresponding metric result will be empty.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearCustomOutputFormatConfig() {
+      bitField0_ = (bitField0_ & ~0x00000004);
+      customOutputFormatConfig_ = null;
+      if (customOutputFormatConfigBuilder_ != null) {
+        customOutputFormatConfigBuilder_.dispose();
+        customOutputFormatConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. CustomOutputFormatConfig allows customization of metric output.
+     * By default, metrics return a score and explanation.
+     * When this config is set, the default output is replaced with either:
+     * - The raw output string.
+     * - A parsed output based on a user-defined schema.
+     * If a custom format is chosen, the `score` and `explanation` fields in the
+     * corresponding metric result will be empty.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.Builder
+        getCustomOutputFormatConfigBuilder() {
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return internalGetCustomOutputFormatConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. CustomOutputFormatConfig allows customization of metric output.
+     * By default, metrics return a score and explanation.
+     * When this config is set, the default output is replaced with either:
+     * - The raw output string.
+     * - A parsed output based on a user-defined schema.
+     * If a custom format is chosen, the `score` and `explanation` fields in the
+     * corresponding metric result will be empty.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.CustomOutputFormatConfigOrBuilder
+        getCustomOutputFormatConfigOrBuilder() {
+      if (customOutputFormatConfigBuilder_ != null) {
+        return customOutputFormatConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return customOutputFormatConfig_ == null
+            ? com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.getDefaultInstance()
+            : customOutputFormatConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. CustomOutputFormatConfig allows customization of metric output.
+     * By default, metrics return a score and explanation.
+     * When this config is set, the default output is replaced with either:
+     * - The raw output string.
+     * - A parsed output based on a user-defined schema.
+     * If a custom format is chosen, the `score` and `explanation` fields in the
+     * corresponding metric result will be empty.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.CustomOutputFormatConfig,
+            com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.Builder,
+            com.google.cloud.aiplatform.v1.CustomOutputFormatConfigOrBuilder>
+        internalGetCustomOutputFormatConfigFieldBuilder() {
+      if (customOutputFormatConfigBuilder_ == null) {
+        customOutputFormatConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.CustomOutputFormatConfig,
+                com.google.cloud.aiplatform.v1.CustomOutputFormatConfig.Builder,
+                com.google.cloud.aiplatform.v1.CustomOutputFormatConfigOrBuilder>(
+                getCustomOutputFormatConfig(), getParentForChildren(), isClean());
+        customOutputFormatConfig_ = null;
+      }
+      return customOutputFormatConfigBuilder_;
+    }
+
     // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.PointwiseMetricSpec)
   }
 
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricSpecOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricSpecOrBuilder.java
index 85321e6d712e..6f95ccdfdabc 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricSpecOrBuilder.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PointwiseMetricSpecOrBuilder.java
@@ -67,4 +67,105 @@ public interface PointwiseMetricSpecOrBuilder
    * @return The bytes for metricPromptTemplate.
    */
   com.google.protobuf.ByteString getMetricPromptTemplateBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. System instructions for pointwise metric.
+   * </pre>
+   *
+   * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the systemInstruction field is set.
+   */
+  boolean hasSystemInstruction();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. System instructions for pointwise metric.
+   * </pre>
+   *
+   * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The systemInstruction.
+   */
+  java.lang.String getSystemInstruction();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. System instructions for pointwise metric.
+   * </pre>
+   *
+   * <code>optional string system_instruction = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for systemInstruction.
+   */
+  com.google.protobuf.ByteString getSystemInstructionBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. CustomOutputFormatConfig allows customization of metric output.
+   * By default, metrics return a score and explanation.
+   * When this config is set, the default output is replaced with either:
+   * - The raw output string.
+   * - A parsed output based on a user-defined schema.
+   * If a custom format is chosen, the `score` and `explanation` fields in the
+   * corresponding metric result will be empty.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the customOutputFormatConfig field is set.
+   */
+  boolean hasCustomOutputFormatConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. CustomOutputFormatConfig allows customization of metric output.
+   * By default, metrics return a score and explanation.
+   * When this config is set, the default output is replaced with either:
+   * - The raw output string.
+   * - A parsed output based on a user-defined schema.
+   * If a custom format is chosen, the `score` and `explanation` fields in the
+   * corresponding metric result will be empty.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The customOutputFormatConfig.
+   */
+  com.google.cloud.aiplatform.v1.CustomOutputFormatConfig getCustomOutputFormatConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. CustomOutputFormatConfig allows customization of metric output.
+   * By default, metrics return a score and explanation.
+   * When this config is set, the default output is replaced with either:
+   * - The raw output string.
+   * - A parsed output based on a user-defined schema.
+   * If a custom format is chosen, the `score` and `explanation` fields in the
+   * corresponding metric result will be empty.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.CustomOutputFormatConfig custom_output_format_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.CustomOutputFormatConfigOrBuilder
+      getCustomOutputFormatConfigOrBuilder();
 }
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PredefinedMetricSpec.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PredefinedMetricSpec.java
new file mode 100644
index 000000000000..a60ccafac13d
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PredefinedMetricSpec.java
@@ -0,0 +1,923 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * The spec for a pre-defined metric.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.aiplatform.v1.PredefinedMetricSpec}
+ */
+@com.google.protobuf.Generated
+public final class PredefinedMetricSpec extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.aiplatform.v1.PredefinedMetricSpec)
+    PredefinedMetricSpecOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "PredefinedMetricSpec");
+  }
+
+  // Use PredefinedMetricSpec.newBuilder() to construct.
+  private PredefinedMetricSpec(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private PredefinedMetricSpec() {
+    metricSpecName_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_PredefinedMetricSpec_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_PredefinedMetricSpec_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.aiplatform.v1.PredefinedMetricSpec.class,
+            com.google.cloud.aiplatform.v1.PredefinedMetricSpec.Builder.class);
+  }
+
+  private int bitField0_;
+  public static final int METRIC_SPEC_NAME_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object metricSpecName_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of a pre-defined metric, such as
+   * "instruction_following_v1" or "text_quality_v1".
+   * </pre>
+   *
+   * <code>string metric_spec_name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The metricSpecName.
+   */
+  @java.lang.Override
+  public java.lang.String getMetricSpecName() {
+    java.lang.Object ref = metricSpecName_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      metricSpecName_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of a pre-defined metric, such as
+   * "instruction_following_v1" or "text_quality_v1".
+   * </pre>
+   *
+   * <code>string metric_spec_name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for metricSpecName.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getMetricSpecNameBytes() {
+    java.lang.Object ref = metricSpecName_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      metricSpecName_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int METRIC_SPEC_PARAMETERS_FIELD_NUMBER = 2;
+  private com.google.protobuf.Struct metricSpecParameters_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The parameters needed to run the pre-defined metric.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Struct metric_spec_parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the metricSpecParameters field is set.
+   */
+  @java.lang.Override
+  public boolean hasMetricSpecParameters() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The parameters needed to run the pre-defined metric.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Struct metric_spec_parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The metricSpecParameters.
+   */
+  @java.lang.Override
+  public com.google.protobuf.Struct getMetricSpecParameters() {
+    return metricSpecParameters_ == null
+        ? com.google.protobuf.Struct.getDefaultInstance()
+        : metricSpecParameters_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The parameters needed to run the pre-defined metric.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Struct metric_spec_parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.protobuf.StructOrBuilder getMetricSpecParametersOrBuilder() {
+    return metricSpecParameters_ == null
+        ? com.google.protobuf.Struct.getDefaultInstance()
+        : metricSpecParameters_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(metricSpecName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, metricSpecName_);
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(2, getMetricSpecParameters());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(metricSpecName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, metricSpecName_);
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(2, getMetricSpecParameters());
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.aiplatform.v1.PredefinedMetricSpec)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.aiplatform.v1.PredefinedMetricSpec other =
+        (com.google.cloud.aiplatform.v1.PredefinedMetricSpec) obj;
+
+    if (!getMetricSpecName().equals(other.getMetricSpecName())) return false;
+    if (hasMetricSpecParameters() != other.hasMetricSpecParameters()) return false;
+    if (hasMetricSpecParameters()) {
+      if (!getMetricSpecParameters().equals(other.getMetricSpecParameters())) return false;
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + METRIC_SPEC_NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getMetricSpecName().hashCode();
+    if (hasMetricSpecParameters()) {
+      hash = (37 * hash) + METRIC_SPEC_PARAMETERS_FIELD_NUMBER;
+      hash = (53 * hash) + getMetricSpecParameters().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.aiplatform.v1.PredefinedMetricSpec parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.PredefinedMetricSpec parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.PredefinedMetricSpec parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.PredefinedMetricSpec parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.PredefinedMetricSpec parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.PredefinedMetricSpec parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.PredefinedMetricSpec parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.PredefinedMetricSpec parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.PredefinedMetricSpec parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.PredefinedMetricSpec parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.PredefinedMetricSpec parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.PredefinedMetricSpec parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.aiplatform.v1.PredefinedMetricSpec prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The spec for a pre-defined metric.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.aiplatform.v1.PredefinedMetricSpec}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.aiplatform.v1.PredefinedMetricSpec)
+      com.google.cloud.aiplatform.v1.PredefinedMetricSpecOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_PredefinedMetricSpec_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_PredefinedMetricSpec_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.aiplatform.v1.PredefinedMetricSpec.class,
+              com.google.cloud.aiplatform.v1.PredefinedMetricSpec.Builder.class);
+    }
+
+    // Construct using com.google.cloud.aiplatform.v1.PredefinedMetricSpec.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetMetricSpecParametersFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      metricSpecName_ = "";
+      metricSpecParameters_ = null;
+      if (metricSpecParametersBuilder_ != null) {
+        metricSpecParametersBuilder_.dispose();
+        metricSpecParametersBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_PredefinedMetricSpec_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.PredefinedMetricSpec getDefaultInstanceForType() {
+      return com.google.cloud.aiplatform.v1.PredefinedMetricSpec.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.PredefinedMetricSpec build() {
+      com.google.cloud.aiplatform.v1.PredefinedMetricSpec result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.PredefinedMetricSpec buildPartial() {
+      com.google.cloud.aiplatform.v1.PredefinedMetricSpec result =
+          new com.google.cloud.aiplatform.v1.PredefinedMetricSpec(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.aiplatform.v1.PredefinedMetricSpec result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.metricSpecName_ = metricSpecName_;
+      }
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.metricSpecParameters_ =
+            metricSpecParametersBuilder_ == null
+                ? metricSpecParameters_
+                : metricSpecParametersBuilder_.build();
+        to_bitField0_ |= 0x00000001;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.aiplatform.v1.PredefinedMetricSpec) {
+        return mergeFrom((com.google.cloud.aiplatform.v1.PredefinedMetricSpec) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.aiplatform.v1.PredefinedMetricSpec other) {
+      if (other == com.google.cloud.aiplatform.v1.PredefinedMetricSpec.getDefaultInstance())
+        return this;
+      if (!other.getMetricSpecName().isEmpty()) {
+        metricSpecName_ = other.metricSpecName_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      if (other.hasMetricSpecParameters()) {
+        mergeMetricSpecParameters(other.getMetricSpecParameters());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                metricSpecName_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 18:
+              {
+                input.readMessage(
+                    internalGetMetricSpecParametersFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object metricSpecName_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of a pre-defined metric, such as
+     * "instruction_following_v1" or "text_quality_v1".
+     * </pre>
+     *
+     * <code>string metric_spec_name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The metricSpecName.
+     */
+    public java.lang.String getMetricSpecName() {
+      java.lang.Object ref = metricSpecName_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        metricSpecName_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of a pre-defined metric, such as
+     * "instruction_following_v1" or "text_quality_v1".
+     * </pre>
+     *
+     * <code>string metric_spec_name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The bytes for metricSpecName.
+     */
+    public com.google.protobuf.ByteString getMetricSpecNameBytes() {
+      java.lang.Object ref = metricSpecName_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        metricSpecName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of a pre-defined metric, such as
+     * "instruction_following_v1" or "text_quality_v1".
+     * </pre>
+     *
+     * <code>string metric_spec_name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The metricSpecName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setMetricSpecName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      metricSpecName_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of a pre-defined metric, such as
+     * "instruction_following_v1" or "text_quality_v1".
+     * </pre>
+     *
+     * <code>string metric_spec_name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearMetricSpecName() {
+      metricSpecName_ = getDefaultInstance().getMetricSpecName();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of a pre-defined metric, such as
+     * "instruction_following_v1" or "text_quality_v1".
+     * </pre>
+     *
+     * <code>string metric_spec_name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The bytes for metricSpecName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setMetricSpecNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      metricSpecName_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private com.google.protobuf.Struct metricSpecParameters_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Struct,
+            com.google.protobuf.Struct.Builder,
+            com.google.protobuf.StructOrBuilder>
+        metricSpecParametersBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The parameters needed to run the pre-defined metric.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Struct metric_spec_parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the metricSpecParameters field is set.
+     */
+    public boolean hasMetricSpecParameters() {
+      return ((bitField0_ & 0x00000002) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The parameters needed to run the pre-defined metric.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Struct metric_spec_parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The metricSpecParameters.
+     */
+    public com.google.protobuf.Struct getMetricSpecParameters() {
+      if (metricSpecParametersBuilder_ == null) {
+        return metricSpecParameters_ == null
+            ? com.google.protobuf.Struct.getDefaultInstance()
+            : metricSpecParameters_;
+      } else {
+        return metricSpecParametersBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The parameters needed to run the pre-defined metric.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Struct metric_spec_parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setMetricSpecParameters(com.google.protobuf.Struct value) {
+      if (metricSpecParametersBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        metricSpecParameters_ = value;
+      } else {
+        metricSpecParametersBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The parameters needed to run the pre-defined metric.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Struct metric_spec_parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setMetricSpecParameters(com.google.protobuf.Struct.Builder builderForValue) {
+      if (metricSpecParametersBuilder_ == null) {
+        metricSpecParameters_ = builderForValue.build();
+      } else {
+        metricSpecParametersBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The parameters needed to run the pre-defined metric.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Struct metric_spec_parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeMetricSpecParameters(com.google.protobuf.Struct value) {
+      if (metricSpecParametersBuilder_ == null) {
+        if (((bitField0_ & 0x00000002) != 0)
+            && metricSpecParameters_ != null
+            && metricSpecParameters_ != com.google.protobuf.Struct.getDefaultInstance()) {
+          getMetricSpecParametersBuilder().mergeFrom(value);
+        } else {
+          metricSpecParameters_ = value;
+        }
+      } else {
+        metricSpecParametersBuilder_.mergeFrom(value);
+      }
+      if (metricSpecParameters_ != null) {
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The parameters needed to run the pre-defined metric.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Struct metric_spec_parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearMetricSpecParameters() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      metricSpecParameters_ = null;
+      if (metricSpecParametersBuilder_ != null) {
+        metricSpecParametersBuilder_.dispose();
+        metricSpecParametersBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The parameters needed to run the pre-defined metric.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Struct metric_spec_parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.protobuf.Struct.Builder getMetricSpecParametersBuilder() {
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return internalGetMetricSpecParametersFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The parameters needed to run the pre-defined metric.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Struct metric_spec_parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.protobuf.StructOrBuilder getMetricSpecParametersOrBuilder() {
+      if (metricSpecParametersBuilder_ != null) {
+        return metricSpecParametersBuilder_.getMessageOrBuilder();
+      } else {
+        return metricSpecParameters_ == null
+            ? com.google.protobuf.Struct.getDefaultInstance()
+            : metricSpecParameters_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The parameters needed to run the pre-defined metric.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Struct metric_spec_parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Struct,
+            com.google.protobuf.Struct.Builder,
+            com.google.protobuf.StructOrBuilder>
+        internalGetMetricSpecParametersFieldBuilder() {
+      if (metricSpecParametersBuilder_ == null) {
+        metricSpecParametersBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.protobuf.Struct,
+                com.google.protobuf.Struct.Builder,
+                com.google.protobuf.StructOrBuilder>(
+                getMetricSpecParameters(), getParentForChildren(), isClean());
+        metricSpecParameters_ = null;
+      }
+      return metricSpecParametersBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.PredefinedMetricSpec)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.aiplatform.v1.PredefinedMetricSpec)
+  private static final com.google.cloud.aiplatform.v1.PredefinedMetricSpec DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.aiplatform.v1.PredefinedMetricSpec();
+  }
+
+  public static com.google.cloud.aiplatform.v1.PredefinedMetricSpec getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<PredefinedMetricSpec> PARSER =
+      new com.google.protobuf.AbstractParser<PredefinedMetricSpec>() {
+        @java.lang.Override
+        public PredefinedMetricSpec parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<PredefinedMetricSpec> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<PredefinedMetricSpec> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.PredefinedMetricSpec getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PredefinedMetricSpecOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PredefinedMetricSpecOrBuilder.java
new file mode 100644
index 000000000000..10e2ecbae42a
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/PredefinedMetricSpecOrBuilder.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+@com.google.protobuf.Generated
+public interface PredefinedMetricSpecOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.aiplatform.v1.PredefinedMetricSpec)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of a pre-defined metric, such as
+   * "instruction_following_v1" or "text_quality_v1".
+   * </pre>
+   *
+   * <code>string metric_spec_name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The metricSpecName.
+   */
+  java.lang.String getMetricSpecName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of a pre-defined metric, such as
+   * "instruction_following_v1" or "text_quality_v1".
+   * </pre>
+   *
+   * <code>string metric_spec_name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for metricSpecName.
+   */
+  com.google.protobuf.ByteString getMetricSpecNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The parameters needed to run the pre-defined metric.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Struct metric_spec_parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the metricSpecParameters field is set.
+   */
+  boolean hasMetricSpecParameters();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The parameters needed to run the pre-defined metric.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Struct metric_spec_parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The metricSpecParameters.
+   */
+  com.google.protobuf.Struct getMetricSpecParameters();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The parameters needed to run the pre-defined metric.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Struct metric_spec_parameters = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.protobuf.StructOrBuilder getMetricSpecParametersOrBuilder();
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/RawOutput.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/RawOutput.java
new file mode 100644
index 000000000000..9786ae6d70ba
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/RawOutput.java
@@ -0,0 +1,695 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Raw output.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.aiplatform.v1.RawOutput}
+ */
+@com.google.protobuf.Generated
+public final class RawOutput extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.aiplatform.v1.RawOutput)
+    RawOutputOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "RawOutput");
+  }
+
+  // Use RawOutput.newBuilder() to construct.
+  private RawOutput(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private RawOutput() {
+    rawOutput_ = com.google.protobuf.LazyStringArrayList.emptyList();
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_RawOutput_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+        .internal_static_google_cloud_aiplatform_v1_RawOutput_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.aiplatform.v1.RawOutput.class,
+            com.google.cloud.aiplatform.v1.RawOutput.Builder.class);
+  }
+
+  public static final int RAW_OUTPUT_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private com.google.protobuf.LazyStringArrayList rawOutput_ =
+      com.google.protobuf.LazyStringArrayList.emptyList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Raw output string.
+   * </pre>
+   *
+   * <code>repeated string raw_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return A list containing the rawOutput.
+   */
+  public com.google.protobuf.ProtocolStringList getRawOutputList() {
+    return rawOutput_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Raw output string.
+   * </pre>
+   *
+   * <code>repeated string raw_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The count of rawOutput.
+   */
+  public int getRawOutputCount() {
+    return rawOutput_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Raw output string.
+   * </pre>
+   *
+   * <code>repeated string raw_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @param index The index of the element to return.
+   * @return The rawOutput at the given index.
+   */
+  public java.lang.String getRawOutput(int index) {
+    return rawOutput_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Raw output string.
+   * </pre>
+   *
+   * <code>repeated string raw_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @param index The index of the value to return.
+   * @return The bytes of the rawOutput at the given index.
+   */
+  public com.google.protobuf.ByteString getRawOutputBytes(int index) {
+    return rawOutput_.getByteString(index);
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    for (int i = 0; i < rawOutput_.size(); i++) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, rawOutput_.getRaw(i));
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    {
+      int dataSize = 0;
+      for (int i = 0; i < rawOutput_.size(); i++) {
+        dataSize += computeStringSizeNoTag(rawOutput_.getRaw(i));
+      }
+      size += dataSize;
+      size += 1 * getRawOutputList().size();
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.aiplatform.v1.RawOutput)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.aiplatform.v1.RawOutput other = (com.google.cloud.aiplatform.v1.RawOutput) obj;
+
+    if (!getRawOutputList().equals(other.getRawOutputList())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (getRawOutputCount() > 0) {
+      hash = (37 * hash) + RAW_OUTPUT_FIELD_NUMBER;
+      hash = (53 * hash) + getRawOutputList().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.aiplatform.v1.RawOutput parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.RawOutput parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.RawOutput parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.RawOutput parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.RawOutput parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.aiplatform.v1.RawOutput parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.RawOutput parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.RawOutput parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.RawOutput parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.RawOutput parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.aiplatform.v1.RawOutput parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.aiplatform.v1.RawOutput parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.aiplatform.v1.RawOutput prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Raw output.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.aiplatform.v1.RawOutput}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.aiplatform.v1.RawOutput)
+      com.google.cloud.aiplatform.v1.RawOutputOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_RawOutput_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_RawOutput_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.aiplatform.v1.RawOutput.class,
+              com.google.cloud.aiplatform.v1.RawOutput.Builder.class);
+    }
+
+    // Construct using com.google.cloud.aiplatform.v1.RawOutput.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      rawOutput_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.aiplatform.v1.EvaluationServiceProto
+          .internal_static_google_cloud_aiplatform_v1_RawOutput_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.RawOutput getDefaultInstanceForType() {
+      return com.google.cloud.aiplatform.v1.RawOutput.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.RawOutput build() {
+      com.google.cloud.aiplatform.v1.RawOutput result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.aiplatform.v1.RawOutput buildPartial() {
+      com.google.cloud.aiplatform.v1.RawOutput result =
+          new com.google.cloud.aiplatform.v1.RawOutput(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.aiplatform.v1.RawOutput result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        rawOutput_.makeImmutable();
+        result.rawOutput_ = rawOutput_;
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.aiplatform.v1.RawOutput) {
+        return mergeFrom((com.google.cloud.aiplatform.v1.RawOutput) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.aiplatform.v1.RawOutput other) {
+      if (other == com.google.cloud.aiplatform.v1.RawOutput.getDefaultInstance()) return this;
+      if (!other.rawOutput_.isEmpty()) {
+        if (rawOutput_.isEmpty()) {
+          rawOutput_ = other.rawOutput_;
+          bitField0_ |= 0x00000001;
+        } else {
+          ensureRawOutputIsMutable();
+          rawOutput_.addAll(other.rawOutput_);
+        }
+        onChanged();
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                java.lang.String s = input.readStringRequireUtf8();
+                ensureRawOutputIsMutable();
+                rawOutput_.add(s);
+                break;
+              } // case 10
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.LazyStringArrayList rawOutput_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+
+    private void ensureRawOutputIsMutable() {
+      if (!rawOutput_.isModifiable()) {
+        rawOutput_ = new com.google.protobuf.LazyStringArrayList(rawOutput_);
+      }
+      bitField0_ |= 0x00000001;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Raw output string.
+     * </pre>
+     *
+     * <code>repeated string raw_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return A list containing the rawOutput.
+     */
+    public com.google.protobuf.ProtocolStringList getRawOutputList() {
+      rawOutput_.makeImmutable();
+      return rawOutput_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Raw output string.
+     * </pre>
+     *
+     * <code>repeated string raw_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The count of rawOutput.
+     */
+    public int getRawOutputCount() {
+      return rawOutput_.size();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Raw output string.
+     * </pre>
+     *
+     * <code>repeated string raw_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param index The index of the element to return.
+     * @return The rawOutput at the given index.
+     */
+    public java.lang.String getRawOutput(int index) {
+      return rawOutput_.get(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Raw output string.
+     * </pre>
+     *
+     * <code>repeated string raw_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the rawOutput at the given index.
+     */
+    public com.google.protobuf.ByteString getRawOutputBytes(int index) {
+      return rawOutput_.getByteString(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Raw output string.
+     * </pre>
+     *
+     * <code>repeated string raw_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param index The index to set the value at.
+     * @param value The rawOutput to set.
+     * @return This builder for chaining.
+     */
+    public Builder setRawOutput(int index, java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      ensureRawOutputIsMutable();
+      rawOutput_.set(index, value);
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Raw output string.
+     * </pre>
+     *
+     * <code>repeated string raw_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The rawOutput to add.
+     * @return This builder for chaining.
+     */
+    public Builder addRawOutput(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      ensureRawOutputIsMutable();
+      rawOutput_.add(value);
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Raw output string.
+     * </pre>
+     *
+     * <code>repeated string raw_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param values The rawOutput to add.
+     * @return This builder for chaining.
+     */
+    public Builder addAllRawOutput(java.lang.Iterable<java.lang.String> values) {
+      ensureRawOutputIsMutable();
+      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, rawOutput_);
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Raw output string.
+     * </pre>
+     *
+     * <code>repeated string raw_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearRawOutput() {
+      rawOutput_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      ;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Raw output string.
+     * </pre>
+     *
+     * <code>repeated string raw_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The bytes of the rawOutput to add.
+     * @return This builder for chaining.
+     */
+    public Builder addRawOutputBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      ensureRawOutputIsMutable();
+      rawOutput_.add(value);
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.RawOutput)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.aiplatform.v1.RawOutput)
+  private static final com.google.cloud.aiplatform.v1.RawOutput DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.aiplatform.v1.RawOutput();
+  }
+
+  public static com.google.cloud.aiplatform.v1.RawOutput getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<RawOutput> PARSER =
+      new com.google.protobuf.AbstractParser<RawOutput>() {
+        @java.lang.Override
+        public RawOutput parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<RawOutput> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<RawOutput> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.RawOutput getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/RawOutputOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/RawOutputOrBuilder.java
new file mode 100644
index 000000000000..ee33f392e273
--- /dev/null
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/RawOutputOrBuilder.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/aiplatform/v1/evaluation_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.aiplatform.v1;
+
+@com.google.protobuf.Generated
+public interface RawOutputOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.aiplatform.v1.RawOutput)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Raw output string.
+   * </pre>
+   *
+   * <code>repeated string raw_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return A list containing the rawOutput.
+   */
+  java.util.List<java.lang.String> getRawOutputList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Raw output string.
+   * </pre>
+   *
+   * <code>repeated string raw_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The count of rawOutput.
+   */
+  int getRawOutputCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Raw output string.
+   * </pre>
+   *
+   * <code>repeated string raw_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @param index The index of the element to return.
+   * @return The rawOutput at the given index.
+   */
+  java.lang.String getRawOutput(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Raw output string.
+   * </pre>
+   *
+   * <code>repeated string raw_output = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @param index The index of the value to return.
+   * @return The bytes of the rawOutput at the given index.
+   */
+  com.google.protobuf.ByteString getRawOutputBytes(int index);
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/SupervisedTuningDataStats.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/SupervisedTuningDataStats.java
index 24290c51792e..ab7b6ac99c68 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/SupervisedTuningDataStats.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/SupervisedTuningDataStats.java
@@ -128,7 +128,7 @@ public long getTotalTuningCharacterCount() {
    * </code>
    *
    * @deprecated google.cloud.aiplatform.v1.SupervisedTuningDataStats.total_billable_character_count
-   *     is deprecated. See google/cloud/aiplatform/v1/tuning_job.proto;l=245
+   *     is deprecated. See google/cloud/aiplatform/v1/tuning_job.proto;l=250
    * @return The totalBillableCharacterCount.
    */
   @java.lang.Override
@@ -1476,7 +1476,7 @@ public Builder clearTotalTuningCharacterCount() {
      *
      * @deprecated
      *     google.cloud.aiplatform.v1.SupervisedTuningDataStats.total_billable_character_count is
-     *     deprecated. See google/cloud/aiplatform/v1/tuning_job.proto;l=245
+     *     deprecated. See google/cloud/aiplatform/v1/tuning_job.proto;l=250
      * @return The totalBillableCharacterCount.
      */
     @java.lang.Override
@@ -1498,7 +1498,7 @@ public long getTotalBillableCharacterCount() {
      *
      * @deprecated
      *     google.cloud.aiplatform.v1.SupervisedTuningDataStats.total_billable_character_count is
-     *     deprecated. See google/cloud/aiplatform/v1/tuning_job.proto;l=245
+     *     deprecated. See google/cloud/aiplatform/v1/tuning_job.proto;l=250
      * @param value The totalBillableCharacterCount to set.
      * @return This builder for chaining.
      */
@@ -1524,7 +1524,7 @@ public Builder setTotalBillableCharacterCount(long value) {
      *
      * @deprecated
      *     google.cloud.aiplatform.v1.SupervisedTuningDataStats.total_billable_character_count is
-     *     deprecated. See google/cloud/aiplatform/v1/tuning_job.proto;l=245
+     *     deprecated. See google/cloud/aiplatform/v1/tuning_job.proto;l=250
      * @return This builder for chaining.
      */
     @java.lang.Deprecated
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/SupervisedTuningDataStatsOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/SupervisedTuningDataStatsOrBuilder.java
index af538681278d..8a478e823447 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/SupervisedTuningDataStatsOrBuilder.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/SupervisedTuningDataStatsOrBuilder.java
@@ -66,7 +66,7 @@ public interface SupervisedTuningDataStatsOrBuilder
    * </code>
    *
    * @deprecated google.cloud.aiplatform.v1.SupervisedTuningDataStats.total_billable_character_count
-   *     is deprecated. See google/cloud/aiplatform/v1/tuning_job.proto;l=245
+   *     is deprecated. See google/cloud/aiplatform/v1/tuning_job.proto;l=250
    * @return The totalBillableCharacterCount.
    */
   @java.lang.Deprecated
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/SupervisedTuningSpec.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/SupervisedTuningSpec.java
index ce1961371fb9..7139dc4504e2 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/SupervisedTuningSpec.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/SupervisedTuningSpec.java
@@ -263,6 +263,65 @@ public boolean getExportLastCheckpointOnly() {
     return exportLastCheckpointOnly_;
   }
 
+  public static final int EVALUATION_CONFIG_FIELD_NUMBER = 5;
+  private com.google.cloud.aiplatform.v1.EvaluationConfig evaluationConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Evaluation Config for Tuning Job.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.EvaluationConfig evaluation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the evaluationConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasEvaluationConfig() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Evaluation Config for Tuning Job.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.EvaluationConfig evaluation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The evaluationConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.EvaluationConfig getEvaluationConfig() {
+    return evaluationConfig_ == null
+        ? com.google.cloud.aiplatform.v1.EvaluationConfig.getDefaultInstance()
+        : evaluationConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Evaluation Config for Tuning Job.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.EvaluationConfig evaluation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.EvaluationConfigOrBuilder getEvaluationConfigOrBuilder() {
+    return evaluationConfig_ == null
+        ? com.google.cloud.aiplatform.v1.EvaluationConfig.getDefaultInstance()
+        : evaluationConfig_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -286,6 +345,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(3, getHyperParameters());
     }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(5, getEvaluationConfig());
+    }
     if (exportLastCheckpointOnly_ != false) {
       output.writeBool(6, exportLastCheckpointOnly_);
     }
@@ -307,6 +369,9 @@ public int getSerializedSize() {
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getHyperParameters());
     }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(5, getEvaluationConfig());
+    }
     if (exportLastCheckpointOnly_ != false) {
       size += com.google.protobuf.CodedOutputStream.computeBoolSize(6, exportLastCheckpointOnly_);
     }
@@ -333,6 +398,10 @@ public boolean equals(final java.lang.Object obj) {
       if (!getHyperParameters().equals(other.getHyperParameters())) return false;
     }
     if (getExportLastCheckpointOnly() != other.getExportLastCheckpointOnly()) return false;
+    if (hasEvaluationConfig() != other.hasEvaluationConfig()) return false;
+    if (hasEvaluationConfig()) {
+      if (!getEvaluationConfig().equals(other.getEvaluationConfig())) return false;
+    }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -354,6 +423,10 @@ public int hashCode() {
     }
     hash = (37 * hash) + EXPORT_LAST_CHECKPOINT_ONLY_FIELD_NUMBER;
     hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getExportLastCheckpointOnly());
+    if (hasEvaluationConfig()) {
+      hash = (37 * hash) + EVALUATION_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getEvaluationConfig().hashCode();
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -496,6 +569,7 @@ private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     private void maybeForceBuilderInitialization() {
       if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
         internalGetHyperParametersFieldBuilder();
+        internalGetEvaluationConfigFieldBuilder();
       }
     }
 
@@ -511,6 +585,11 @@ public Builder clear() {
         hyperParametersBuilder_ = null;
       }
       exportLastCheckpointOnly_ = false;
+      evaluationConfig_ = null;
+      if (evaluationConfigBuilder_ != null) {
+        evaluationConfigBuilder_.dispose();
+        evaluationConfigBuilder_ = null;
+      }
       return this;
     }
 
@@ -562,6 +641,11 @@ private void buildPartial0(com.google.cloud.aiplatform.v1.SupervisedTuningSpec r
       if (((from_bitField0_ & 0x00000008) != 0)) {
         result.exportLastCheckpointOnly_ = exportLastCheckpointOnly_;
       }
+      if (((from_bitField0_ & 0x00000010) != 0)) {
+        result.evaluationConfig_ =
+            evaluationConfigBuilder_ == null ? evaluationConfig_ : evaluationConfigBuilder_.build();
+        to_bitField0_ |= 0x00000002;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
@@ -594,6 +678,9 @@ public Builder mergeFrom(com.google.cloud.aiplatform.v1.SupervisedTuningSpec oth
       if (other.getExportLastCheckpointOnly() != false) {
         setExportLastCheckpointOnly(other.getExportLastCheckpointOnly());
       }
+      if (other.hasEvaluationConfig()) {
+        mergeEvaluationConfig(other.getEvaluationConfig());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -639,6 +726,13 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00000004;
                 break;
               } // case 26
+            case 42:
+              {
+                input.readMessage(
+                    internalGetEvaluationConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000010;
+                break;
+              } // case 42
             case 48:
               {
                 exportLastCheckpointOnly_ = input.readBool();
@@ -1176,6 +1270,220 @@ public Builder clearExportLastCheckpointOnly() {
       return this;
     }
 
+    private com.google.cloud.aiplatform.v1.EvaluationConfig evaluationConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.EvaluationConfig,
+            com.google.cloud.aiplatform.v1.EvaluationConfig.Builder,
+            com.google.cloud.aiplatform.v1.EvaluationConfigOrBuilder>
+        evaluationConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Evaluation Config for Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.EvaluationConfig evaluation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the evaluationConfig field is set.
+     */
+    public boolean hasEvaluationConfig() {
+      return ((bitField0_ & 0x00000010) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Evaluation Config for Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.EvaluationConfig evaluation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The evaluationConfig.
+     */
+    public com.google.cloud.aiplatform.v1.EvaluationConfig getEvaluationConfig() {
+      if (evaluationConfigBuilder_ == null) {
+        return evaluationConfig_ == null
+            ? com.google.cloud.aiplatform.v1.EvaluationConfig.getDefaultInstance()
+            : evaluationConfig_;
+      } else {
+        return evaluationConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Evaluation Config for Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.EvaluationConfig evaluation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setEvaluationConfig(com.google.cloud.aiplatform.v1.EvaluationConfig value) {
+      if (evaluationConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        evaluationConfig_ = value;
+      } else {
+        evaluationConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Evaluation Config for Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.EvaluationConfig evaluation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setEvaluationConfig(
+        com.google.cloud.aiplatform.v1.EvaluationConfig.Builder builderForValue) {
+      if (evaluationConfigBuilder_ == null) {
+        evaluationConfig_ = builderForValue.build();
+      } else {
+        evaluationConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Evaluation Config for Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.EvaluationConfig evaluation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeEvaluationConfig(com.google.cloud.aiplatform.v1.EvaluationConfig value) {
+      if (evaluationConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000010) != 0)
+            && evaluationConfig_ != null
+            && evaluationConfig_
+                != com.google.cloud.aiplatform.v1.EvaluationConfig.getDefaultInstance()) {
+          getEvaluationConfigBuilder().mergeFrom(value);
+        } else {
+          evaluationConfig_ = value;
+        }
+      } else {
+        evaluationConfigBuilder_.mergeFrom(value);
+      }
+      if (evaluationConfig_ != null) {
+        bitField0_ |= 0x00000010;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Evaluation Config for Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.EvaluationConfig evaluation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearEvaluationConfig() {
+      bitField0_ = (bitField0_ & ~0x00000010);
+      evaluationConfig_ = null;
+      if (evaluationConfigBuilder_ != null) {
+        evaluationConfigBuilder_.dispose();
+        evaluationConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Evaluation Config for Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.EvaluationConfig evaluation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.EvaluationConfig.Builder getEvaluationConfigBuilder() {
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return internalGetEvaluationConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Evaluation Config for Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.EvaluationConfig evaluation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.EvaluationConfigOrBuilder getEvaluationConfigOrBuilder() {
+      if (evaluationConfigBuilder_ != null) {
+        return evaluationConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return evaluationConfig_ == null
+            ? com.google.cloud.aiplatform.v1.EvaluationConfig.getDefaultInstance()
+            : evaluationConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Evaluation Config for Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.aiplatform.v1.EvaluationConfig evaluation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.aiplatform.v1.EvaluationConfig,
+            com.google.cloud.aiplatform.v1.EvaluationConfig.Builder,
+            com.google.cloud.aiplatform.v1.EvaluationConfigOrBuilder>
+        internalGetEvaluationConfigFieldBuilder() {
+      if (evaluationConfigBuilder_ == null) {
+        evaluationConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.aiplatform.v1.EvaluationConfig,
+                com.google.cloud.aiplatform.v1.EvaluationConfig.Builder,
+                com.google.cloud.aiplatform.v1.EvaluationConfigOrBuilder>(
+                getEvaluationConfig(), getParentForChildren(), isClean());
+        evaluationConfig_ = null;
+      }
+      return evaluationConfigBuilder_;
+    }
+
     // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.SupervisedTuningSpec)
   }
 
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/SupervisedTuningSpecOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/SupervisedTuningSpecOrBuilder.java
index 497c7b4f9cd3..bc27311a340e 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/SupervisedTuningSpecOrBuilder.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/SupervisedTuningSpecOrBuilder.java
@@ -139,4 +139,47 @@ public interface SupervisedTuningSpecOrBuilder
    * @return The exportLastCheckpointOnly.
    */
   boolean getExportLastCheckpointOnly();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Evaluation Config for Tuning Job.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.EvaluationConfig evaluation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the evaluationConfig field is set.
+   */
+  boolean hasEvaluationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Evaluation Config for Tuning Job.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.EvaluationConfig evaluation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The evaluationConfig.
+   */
+  com.google.cloud.aiplatform.v1.EvaluationConfig getEvaluationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Evaluation Config for Tuning Job.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.aiplatform.v1.EvaluationConfig evaluation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.EvaluationConfigOrBuilder getEvaluationConfigOrBuilder();
 }
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/TuningJob.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/TuningJob.java
index 05f8334d0d38..af1a5f564e35 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/TuningJob.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/TuningJob.java
@@ -58,6 +58,7 @@ private TuningJob() {
     state_ = 0;
     experiment_ = "";
     serviceAccount_ = "";
+    evaluateDatasetRuns_ = java.util.Collections.emptyList();
   }
 
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
@@ -1319,6 +1320,94 @@ public com.google.protobuf.ByteString getServiceAccountBytes() {
     }
   }
 
+  public static final int EVALUATE_DATASET_RUNS_FIELD_NUMBER = 32;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.aiplatform.v1.EvaluateDatasetRun> evaluateDatasetRuns_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Evaluation runs for the Tuning Job.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.aiplatform.v1.EvaluateDatasetRun>
+      getEvaluateDatasetRunsList() {
+    return evaluateDatasetRuns_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Evaluation runs for the Tuning Job.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.aiplatform.v1.EvaluateDatasetRunOrBuilder>
+      getEvaluateDatasetRunsOrBuilderList() {
+    return evaluateDatasetRuns_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Evaluation runs for the Tuning Job.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public int getEvaluateDatasetRunsCount() {
+    return evaluateDatasetRuns_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Evaluation runs for the Tuning Job.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.EvaluateDatasetRun getEvaluateDatasetRuns(int index) {
+    return evaluateDatasetRuns_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Evaluation runs for the Tuning Job.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.aiplatform.v1.EvaluateDatasetRunOrBuilder getEvaluateDatasetRunsOrBuilder(
+      int index) {
+    return evaluateDatasetRuns_.get(index);
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -1386,6 +1475,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (sourceModelCase_ == 31) {
       output.writeMessage(31, (com.google.cloud.aiplatform.v1.PreTunedModel) sourceModel_);
     }
+    for (int i = 0; i < evaluateDatasetRuns_.size(); i++) {
+      output.writeMessage(32, evaluateDatasetRuns_.get(i));
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -1460,6 +1552,10 @@ public int getSerializedSize() {
           com.google.protobuf.CodedOutputStream.computeMessageSize(
               31, (com.google.cloud.aiplatform.v1.PreTunedModel) sourceModel_);
     }
+    for (int i = 0; i < evaluateDatasetRuns_.size(); i++) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(32, evaluateDatasetRuns_.get(i));
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -1514,6 +1610,7 @@ public boolean equals(final java.lang.Object obj) {
       if (!getEncryptionSpec().equals(other.getEncryptionSpec())) return false;
     }
     if (!getServiceAccount().equals(other.getServiceAccount())) return false;
+    if (!getEvaluateDatasetRunsList().equals(other.getEvaluateDatasetRunsList())) return false;
     if (!getSourceModelCase().equals(other.getSourceModelCase())) return false;
     switch (sourceModelCase_) {
       case 4:
@@ -1592,6 +1689,10 @@ public int hashCode() {
     }
     hash = (37 * hash) + SERVICE_ACCOUNT_FIELD_NUMBER;
     hash = (53 * hash) + getServiceAccount().hashCode();
+    if (getEvaluateDatasetRunsCount() > 0) {
+      hash = (37 * hash) + EVALUATE_DATASET_RUNS_FIELD_NUMBER;
+      hash = (53 * hash) + getEvaluateDatasetRunsList().hashCode();
+    }
     switch (sourceModelCase_) {
       case 4:
         hash = (37 * hash) + BASE_MODEL_FIELD_NUMBER;
@@ -1783,6 +1884,7 @@ private void maybeForceBuilderInitialization() {
         internalGetTunedModelFieldBuilder();
         internalGetTuningDataStatsFieldBuilder();
         internalGetEncryptionSpecFieldBuilder();
+        internalGetEvaluateDatasetRunsFieldBuilder();
       }
     }
 
@@ -1843,6 +1945,13 @@ public Builder clear() {
         encryptionSpecBuilder_ = null;
       }
       serviceAccount_ = "";
+      if (evaluateDatasetRunsBuilder_ == null) {
+        evaluateDatasetRuns_ = java.util.Collections.emptyList();
+      } else {
+        evaluateDatasetRuns_ = null;
+        evaluateDatasetRunsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00040000);
       sourceModelCase_ = 0;
       sourceModel_ = null;
       tuningSpecCase_ = 0;
@@ -1874,6 +1983,7 @@ public com.google.cloud.aiplatform.v1.TuningJob build() {
     public com.google.cloud.aiplatform.v1.TuningJob buildPartial() {
       com.google.cloud.aiplatform.v1.TuningJob result =
           new com.google.cloud.aiplatform.v1.TuningJob(this);
+      buildPartialRepeatedFields(result);
       if (bitField0_ != 0) {
         buildPartial0(result);
       }
@@ -1882,6 +1992,18 @@ public com.google.cloud.aiplatform.v1.TuningJob buildPartial() {
       return result;
     }
 
+    private void buildPartialRepeatedFields(com.google.cloud.aiplatform.v1.TuningJob result) {
+      if (evaluateDatasetRunsBuilder_ == null) {
+        if (((bitField0_ & 0x00040000) != 0)) {
+          evaluateDatasetRuns_ = java.util.Collections.unmodifiableList(evaluateDatasetRuns_);
+          bitField0_ = (bitField0_ & ~0x00040000);
+        }
+        result.evaluateDatasetRuns_ = evaluateDatasetRuns_;
+      } else {
+        result.evaluateDatasetRuns_ = evaluateDatasetRunsBuilder_.build();
+      }
+    }
+
     private void buildPartial0(com.google.cloud.aiplatform.v1.TuningJob result) {
       int from_bitField0_ = bitField0_;
       if (((from_bitField0_ & 0x00000008) != 0)) {
@@ -2023,6 +2145,33 @@ public Builder mergeFrom(com.google.cloud.aiplatform.v1.TuningJob other) {
         bitField0_ |= 0x00020000;
         onChanged();
       }
+      if (evaluateDatasetRunsBuilder_ == null) {
+        if (!other.evaluateDatasetRuns_.isEmpty()) {
+          if (evaluateDatasetRuns_.isEmpty()) {
+            evaluateDatasetRuns_ = other.evaluateDatasetRuns_;
+            bitField0_ = (bitField0_ & ~0x00040000);
+          } else {
+            ensureEvaluateDatasetRunsIsMutable();
+            evaluateDatasetRuns_.addAll(other.evaluateDatasetRuns_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.evaluateDatasetRuns_.isEmpty()) {
+          if (evaluateDatasetRunsBuilder_.isEmpty()) {
+            evaluateDatasetRunsBuilder_.dispose();
+            evaluateDatasetRunsBuilder_ = null;
+            evaluateDatasetRuns_ = other.evaluateDatasetRuns_;
+            bitField0_ = (bitField0_ & ~0x00040000);
+            evaluateDatasetRunsBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetEvaluateDatasetRunsFieldBuilder()
+                    : null;
+          } else {
+            evaluateDatasetRunsBuilder_.addAllMessages(other.evaluateDatasetRuns_);
+          }
+        }
+      }
       switch (other.getSourceModelCase()) {
         case BASE_MODEL:
           {
@@ -2201,6 +2350,20 @@ public Builder mergeFrom(
                 sourceModelCase_ = 31;
                 break;
               } // case 250
+            case 258:
+              {
+                com.google.cloud.aiplatform.v1.EvaluateDatasetRun m =
+                    input.readMessage(
+                        com.google.cloud.aiplatform.v1.EvaluateDatasetRun.parser(),
+                        extensionRegistry);
+                if (evaluateDatasetRunsBuilder_ == null) {
+                  ensureEvaluateDatasetRunsIsMutable();
+                  evaluateDatasetRuns_.add(m);
+                } else {
+                  evaluateDatasetRunsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 258
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -5557,6 +5720,422 @@ public Builder setServiceAccountBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    private java.util.List<com.google.cloud.aiplatform.v1.EvaluateDatasetRun> evaluateDatasetRuns_ =
+        java.util.Collections.emptyList();
+
+    private void ensureEvaluateDatasetRunsIsMutable() {
+      if (!((bitField0_ & 0x00040000) != 0)) {
+        evaluateDatasetRuns_ =
+            new java.util.ArrayList<com.google.cloud.aiplatform.v1.EvaluateDatasetRun>(
+                evaluateDatasetRuns_);
+        bitField0_ |= 0x00040000;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.aiplatform.v1.EvaluateDatasetRun,
+            com.google.cloud.aiplatform.v1.EvaluateDatasetRun.Builder,
+            com.google.cloud.aiplatform.v1.EvaluateDatasetRunOrBuilder>
+        evaluateDatasetRunsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Evaluation runs for the Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.aiplatform.v1.EvaluateDatasetRun>
+        getEvaluateDatasetRunsList() {
+      if (evaluateDatasetRunsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(evaluateDatasetRuns_);
+      } else {
+        return evaluateDatasetRunsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Evaluation runs for the Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public int getEvaluateDatasetRunsCount() {
+      if (evaluateDatasetRunsBuilder_ == null) {
+        return evaluateDatasetRuns_.size();
+      } else {
+        return evaluateDatasetRunsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Evaluation runs for the Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.EvaluateDatasetRun getEvaluateDatasetRuns(int index) {
+      if (evaluateDatasetRunsBuilder_ == null) {
+        return evaluateDatasetRuns_.get(index);
+      } else {
+        return evaluateDatasetRunsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Evaluation runs for the Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setEvaluateDatasetRuns(
+        int index, com.google.cloud.aiplatform.v1.EvaluateDatasetRun value) {
+      if (evaluateDatasetRunsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureEvaluateDatasetRunsIsMutable();
+        evaluateDatasetRuns_.set(index, value);
+        onChanged();
+      } else {
+        evaluateDatasetRunsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Evaluation runs for the Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setEvaluateDatasetRuns(
+        int index, com.google.cloud.aiplatform.v1.EvaluateDatasetRun.Builder builderForValue) {
+      if (evaluateDatasetRunsBuilder_ == null) {
+        ensureEvaluateDatasetRunsIsMutable();
+        evaluateDatasetRuns_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        evaluateDatasetRunsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Evaluation runs for the Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addEvaluateDatasetRuns(com.google.cloud.aiplatform.v1.EvaluateDatasetRun value) {
+      if (evaluateDatasetRunsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureEvaluateDatasetRunsIsMutable();
+        evaluateDatasetRuns_.add(value);
+        onChanged();
+      } else {
+        evaluateDatasetRunsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Evaluation runs for the Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addEvaluateDatasetRuns(
+        int index, com.google.cloud.aiplatform.v1.EvaluateDatasetRun value) {
+      if (evaluateDatasetRunsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureEvaluateDatasetRunsIsMutable();
+        evaluateDatasetRuns_.add(index, value);
+        onChanged();
+      } else {
+        evaluateDatasetRunsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Evaluation runs for the Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addEvaluateDatasetRuns(
+        com.google.cloud.aiplatform.v1.EvaluateDatasetRun.Builder builderForValue) {
+      if (evaluateDatasetRunsBuilder_ == null) {
+        ensureEvaluateDatasetRunsIsMutable();
+        evaluateDatasetRuns_.add(builderForValue.build());
+        onChanged();
+      } else {
+        evaluateDatasetRunsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Evaluation runs for the Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addEvaluateDatasetRuns(
+        int index, com.google.cloud.aiplatform.v1.EvaluateDatasetRun.Builder builderForValue) {
+      if (evaluateDatasetRunsBuilder_ == null) {
+        ensureEvaluateDatasetRunsIsMutable();
+        evaluateDatasetRuns_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        evaluateDatasetRunsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Evaluation runs for the Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addAllEvaluateDatasetRuns(
+        java.lang.Iterable<? extends com.google.cloud.aiplatform.v1.EvaluateDatasetRun> values) {
+      if (evaluateDatasetRunsBuilder_ == null) {
+        ensureEvaluateDatasetRunsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, evaluateDatasetRuns_);
+        onChanged();
+      } else {
+        evaluateDatasetRunsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Evaluation runs for the Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearEvaluateDatasetRuns() {
+      if (evaluateDatasetRunsBuilder_ == null) {
+        evaluateDatasetRuns_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00040000);
+        onChanged();
+      } else {
+        evaluateDatasetRunsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Evaluation runs for the Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder removeEvaluateDatasetRuns(int index) {
+      if (evaluateDatasetRunsBuilder_ == null) {
+        ensureEvaluateDatasetRunsIsMutable();
+        evaluateDatasetRuns_.remove(index);
+        onChanged();
+      } else {
+        evaluateDatasetRunsBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Evaluation runs for the Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.EvaluateDatasetRun.Builder getEvaluateDatasetRunsBuilder(
+        int index) {
+      return internalGetEvaluateDatasetRunsFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Evaluation runs for the Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.EvaluateDatasetRunOrBuilder
+        getEvaluateDatasetRunsOrBuilder(int index) {
+      if (evaluateDatasetRunsBuilder_ == null) {
+        return evaluateDatasetRuns_.get(index);
+      } else {
+        return evaluateDatasetRunsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Evaluation runs for the Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<? extends com.google.cloud.aiplatform.v1.EvaluateDatasetRunOrBuilder>
+        getEvaluateDatasetRunsOrBuilderList() {
+      if (evaluateDatasetRunsBuilder_ != null) {
+        return evaluateDatasetRunsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(evaluateDatasetRuns_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Evaluation runs for the Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.EvaluateDatasetRun.Builder
+        addEvaluateDatasetRunsBuilder() {
+      return internalGetEvaluateDatasetRunsFieldBuilder()
+          .addBuilder(com.google.cloud.aiplatform.v1.EvaluateDatasetRun.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Evaluation runs for the Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.aiplatform.v1.EvaluateDatasetRun.Builder addEvaluateDatasetRunsBuilder(
+        int index) {
+      return internalGetEvaluateDatasetRunsFieldBuilder()
+          .addBuilder(
+              index, com.google.cloud.aiplatform.v1.EvaluateDatasetRun.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Evaluation runs for the Tuning Job.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.aiplatform.v1.EvaluateDatasetRun.Builder>
+        getEvaluateDatasetRunsBuilderList() {
+      return internalGetEvaluateDatasetRunsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.aiplatform.v1.EvaluateDatasetRun,
+            com.google.cloud.aiplatform.v1.EvaluateDatasetRun.Builder,
+            com.google.cloud.aiplatform.v1.EvaluateDatasetRunOrBuilder>
+        internalGetEvaluateDatasetRunsFieldBuilder() {
+      if (evaluateDatasetRunsBuilder_ == null) {
+        evaluateDatasetRunsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.aiplatform.v1.EvaluateDatasetRun,
+                com.google.cloud.aiplatform.v1.EvaluateDatasetRun.Builder,
+                com.google.cloud.aiplatform.v1.EvaluateDatasetRunOrBuilder>(
+                evaluateDatasetRuns_,
+                ((bitField0_ & 0x00040000) != 0),
+                getParentForChildren(),
+                isClean());
+        evaluateDatasetRuns_ = null;
+      }
+      return evaluateDatasetRunsBuilder_;
+    }
+
     // @@protoc_insertion_point(builder_scope:google.cloud.aiplatform.v1.TuningJob)
   }
 
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/TuningJobOrBuilder.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/TuningJobOrBuilder.java
index 5364f4c100fd..e7ef5c663bae 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/TuningJobOrBuilder.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/TuningJobOrBuilder.java
@@ -802,6 +802,73 @@ java.lang.String getLabelsOrDefault(
    */
   com.google.protobuf.ByteString getServiceAccountBytes();
 
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Evaluation runs for the Tuning Job.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  java.util.List<com.google.cloud.aiplatform.v1.EvaluateDatasetRun> getEvaluateDatasetRunsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Evaluation runs for the Tuning Job.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.EvaluateDatasetRun getEvaluateDatasetRuns(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Evaluation runs for the Tuning Job.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  int getEvaluateDatasetRunsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Evaluation runs for the Tuning Job.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  java.util.List<? extends com.google.cloud.aiplatform.v1.EvaluateDatasetRunOrBuilder>
+      getEvaluateDatasetRunsOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Evaluation runs for the Tuning Job.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.aiplatform.v1.EvaluateDatasetRun evaluate_dataset_runs = 32 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.aiplatform.v1.EvaluateDatasetRunOrBuilder getEvaluateDatasetRunsOrBuilder(
+      int index);
+
   com.google.cloud.aiplatform.v1.TuningJob.SourceModelCase getSourceModelCase();
 
   com.google.cloud.aiplatform.v1.TuningJob.TuningSpecCase getTuningSpecCase();
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/TuningJobProto.java b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/TuningJobProto.java
index 80183958a740..ccfb08123e55 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/TuningJobProto.java
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/java/com/google/cloud/aiplatform/v1/TuningJobProto.java
@@ -80,6 +80,14 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_aiplatform_v1_TunedModelRef_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_aiplatform_v1_TunedModelRef_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_EvaluationConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_EvaluationConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_aiplatform_v1_EvaluateDatasetRun_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_aiplatform_v1_EvaluateDatasetRun_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_aiplatform_v1_TunedModelCheckpoint_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
@@ -102,15 +110,15 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "proto\022\032google.cloud.aiplatform.v1\032\037googl"
           + "e/api/field_behavior.proto\032\031google/api/r"
           + "esource.proto\032(google/cloud/aiplatform/v1/content.proto\0320google/cloud/aiplatform"
-          + "/v1/encryption_spec.proto\032*google/cloud/"
-          + "aiplatform/v1/job_state.proto\032\037google/pr"
-          + "otobuf/timestamp.proto\032\027google/rpc/status.proto\"\215\t\n"
+          + "/v1/encryption_spec.proto\0323google/cloud/aiplatform/v1/evaluation_service.proto\032*"
+          + "google/cloud/aiplatform/v1/job_state.pro"
+          + "to\032\037google/protobuf/timestamp.proto\032\027google/rpc/status.proto\"\341\t\n"
           + "\tTuningJob\022\024\n\n"
           + "base_model\030\004 \001(\tH\000\022D\n"
-          + "\017pre_tuned_model\030\037"
-          + " \001(\0132).google.cloud.aiplatform.v1.PreTunedModelH\000\022R\n"
-          + "\026supervised_tuning_spec\030\005"
-          + " \001(\01320.google.cloud.aiplatform.v1.SupervisedTuningSpecH\001\022\024\n"
+          + "\017pre_tuned_model\030\037 \001("
+          + "\0132).google.cloud.aiplatform.v1.PreTunedModelH\000\022R\n"
+          + "\026supervised_tuning_spec\030\005 \001(\01320"
+          + ".google.cloud.aiplatform.v1.SupervisedTuningSpecH\001\022\024\n"
           + "\004name\030\001 \001(\tB\006\340A\010\340A\003\022%\n"
           + "\030tuned_model_display_name\030\002 \001(\tB\003\340A\001\022\030\n"
           + "\013description\030\003 \001(\tB\003\340A\001\0228\n"
@@ -122,23 +130,25 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\013update_time\030\n"
           + " \001(\0132\032.google.protobuf.TimestampB\003\340A\003\022&\n"
           + "\005error\030\013 \001(\0132\022.google.rpc.StatusB\003\340A\003\022F\n"
-          + "\006labels\030\014"
-          + " \003(\01321.google.cloud.aiplatform.v1.TuningJob.LabelsEntryB\003\340A\001\022=\n\n"
+          + "\006labels\030\014 \003(\01321.google.cloud.a"
+          + "iplatform.v1.TuningJob.LabelsEntryB\003\340A\001\022=\n\n"
           + "experiment\030\r"
           + " \001(\tB)\340A\003\372A#\n"
           + "!aiplatform.googleapis.com/Context\022@\n"
-          + "\013tuned_model\030\016"
-          + " \001(\0132&.google.cloud.aiplatform.v1.TunedModelB\003\340A\003\022K\n"
-          + "\021tuning_data_stats\030\017"
-          + " \001(\0132+.google.cloud.aiplatform.v1.TuningDataStatsB\003\340A\003\022C\n"
+          + "\013tuned_model\030\016 "
+          + "\001(\0132&.google.cloud.aiplatform.v1.TunedModelB\003\340A\003\022K\n"
+          + "\021tuning_data_stats\030\017 \001(\0132+.go"
+          + "ogle.cloud.aiplatform.v1.TuningDataStatsB\003\340A\003\022C\n"
           + "\017encryption_spec\030\020"
           + " \001(\0132*.google.cloud.aiplatform.v1.EncryptionSpec\022\027\n"
-          + "\017service_account\030\026 \001(\t\032-\n"
+          + "\017service_account\030\026 \001(\t\022R\n"
+          + "\025evaluate_dataset_runs\030 "
+          + " \003(\0132..google.cloud.aiplatform.v1.EvaluateDatasetRunB\003\340A\003\032-\n"
           + "\013LabelsEntry\022\013\n"
           + "\003key\030\001 \001(\t\022\r\n"
           + "\005value\030\002 \001(\t:\0028\001:\200\001\352A}\n"
-          + "#aiplatform.googleapis.com/TuningJob\022?projects/{project}/loc"
-          + "ations/{location}/tuningJobs/{tuning_job}*\n"
+          + "#aiplatform.googleapis.com/TuningJob\022?proje"
+          + "cts/{project}/locations/{location}/tuningJobs/{tuning_job}*\n"
           + "tuningJobs2\ttuningJobB\016\n"
           + "\014source_modelB\r\n"
           + "\013tuning_spec\"\316\001\n\n"
@@ -147,8 +157,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\037aiplatform.googleapis.com/Model\022<\n"
           + "\010endpoint\030\002 \001(\tB*\340A\003\372A$\n"
           + "\"aiplatform.googleapis.com/Endpoint\022J\n"
-          + "\013checkpoints\030\003"
-          + " \003(\01320.google.cloud.aiplatform.v1.TunedModelCheckpointB\003\340A\003\"\362\002\n"
+          + "\013checkpoints\030\003 \003(\01320.google.clou"
+          + "d.aiplatform.v1.TunedModelCheckpointB\003\340A\003\"\362\002\n"
           + "#SupervisedTuningDatasetDistribution\022\020\n"
           + "\003sum\030\001 \001(\003B\003\340A\003\022\031\n"
           + "\014billable_sum\030\t \001(\003B\003\340A\003\022\020\n"
@@ -158,8 +168,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\006median\030\005 \001(\001B\003\340A\003\022\017\n"
           + "\002p5\030\006 \001(\001B\003\340A\003\022\020\n"
           + "\003p95\030\007 \001(\001B\003\340A\003\022c\n"
-          + "\007buckets\030\010 \003(\0132M.google.cloud.aiplatform.v1.SupervisedTun"
-          + "ingDatasetDistribution.DatasetBucketB\003\340A\003\032J\n\r"
+          + "\007buckets\030\010 \003(\0132M.google.cloud.aiplatform"
+          + ".v1.SupervisedTuningDatasetDistribution.DatasetBucketB\003\340A\003\032J\n\r"
           + "DatasetBucket\022\022\n"
           + "\005count\030\001 \001(\001B\003\340A\003\022\021\n"
           + "\004left\030\002 \001(\001B\003\340A\003\022\022\n"
@@ -170,27 +180,27 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\036total_billable_character_count\030\003 \001(\003B\005\030\001\340A\003\022\'\n"
           + "\032total_billable_token_count\030\t \001(\003B\003\340A\003\022\036\n"
           + "\021tuning_step_count\030\004 \001(\003B\003\340A\003\022k\n"
-          + "\035user_input_token_distribution\030\005 \001(\0132?.googl"
-          + "e.cloud.aiplatform.v1.SupervisedTuningDatasetDistributionB\003\340A\003\022l\n"
-          + "\036user_output_token_distribution\030\006 \001(\0132?.google.cloud.ai"
-          + "platform.v1.SupervisedTuningDatasetDistributionB\003\340A\003\022s\n"
-          + "%user_message_per_example_distribution\030\007 \001(\0132?.google.cloud.aipla"
-          + "tform.v1.SupervisedTuningDatasetDistributionB\003\340A\003\022G\n"
-          + "\025user_dataset_examples\030\010 \003(\013"
-          + "2#.google.cloud.aiplatform.v1.ContentB\003\340A\003\022*\n"
+          + "\035user_input_token_distribution\030\005 \001(\0132?.google.cloud.aiplatform.v1.S"
+          + "upervisedTuningDatasetDistributionB\003\340A\003\022l\n"
+          + "\036user_output_token_distribution\030\006 \001(\0132"
+          + "?.google.cloud.aiplatform.v1.SupervisedTuningDatasetDistributionB\003\340A\003\022s\n"
+          + "%user_message_per_example_distribution\030\007 \001(\0132?.g"
+          + "oogle.cloud.aiplatform.v1.SupervisedTuningDatasetDistributionB\003\340A\003\022G\n"
+          + "\025user_dataset_examples\030\010"
+          + " \003(\0132#.google.cloud.aiplatform.v1.ContentB\003\340A\003\022*\n"
           + "\035total_truncated_example_count\030\n"
           + " \001(\003B\003\340A\003\022&\n"
           + "\031truncated_example_indices\030\013 \003(\003B\003\340A\003\022$\n"
           + "\027dropped_example_reasons\030\014 \003(\tB\003\340A\003\"\205\001\n"
           + "\017TuningDataStats\022]\n"
-          + "\034supervised_tuning_data_stats\030\001 \001(\01325.google.cloud.ai"
-          + "platform.v1.SupervisedTuningDataStatsH\000B\023\n"
+          + "\034supervised_tuning_data_stats\030\001 \001(\0132"
+          + "5.google.cloud.aiplatform.v1.SupervisedTuningDataStatsH\000B\023\n"
           + "\021tuning_data_stats\"\372\002\n"
           + "\031SupervisedHyperParameters\022\030\n"
           + "\013epoch_count\030\001 \001(\003B\003\340A\001\022%\n"
           + "\030learning_rate_multiplier\030\002 \001(\001B\003\340A\001\022\\\n"
-          + "\014adapter_size\030\003 \001(\0162A.google.cloud.aiplatf"
-          + "orm.v1.SupervisedHyperParameters.AdapterSizeB\003\340A\001\"\275\001\n"
+          + "\014adapter_size\030\003 \001(\0162A.goo"
+          + "gle.cloud.aiplatform.v1.SupervisedHyperParameters.AdapterSizeB\003\340A\001\"\275\001\n"
           + "\013AdapterSize\022\034\n"
           + "\030ADAPTER_SIZE_UNSPECIFIED\020\000\022\024\n"
           + "\020ADAPTER_SIZE_ONE\020\001\022\024\n"
@@ -198,13 +208,15 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\021ADAPTER_SIZE_FOUR\020\002\022\026\n"
           + "\022ADAPTER_SIZE_EIGHT\020\003\022\030\n"
           + "\024ADAPTER_SIZE_SIXTEEN\020\004\022\033\n"
-          + "\027ADAPTER_SIZE_THIRTY_TWO\020\005\"\336\001\n"
+          + "\027ADAPTER_SIZE_THIRTY_TWO\020\005\"\254\002\n"
           + "\024SupervisedTuningSpec\022!\n"
           + "\024training_dataset_uri\030\001 \001(\tB\003\340A\002\022#\n"
           + "\026validation_dataset_uri\030\002 \001(\tB\003\340A\001\022T\n"
-          + "\020hyper_parameters\030\003"
-          + " \001(\01325.google.cloud.aiplatform.v1.SupervisedHyperParametersB\003\340A\001\022(\n"
-          + "\033export_last_checkpoint_only\030\006 \001(\010B\003\340A\001\"\343\001\n\r"
+          + "\020hyper_parameters\030\003 \001(\01325.google.cloud.aip"
+          + "latform.v1.SupervisedHyperParametersB\003\340A\001\022(\n"
+          + "\033export_last_checkpoint_only\030\006 \001(\010B\003\340A\001\022L\n"
+          + "\021evaluation_config\030\005 \001(\0132,.google."
+          + "cloud.aiplatform.v1.EvaluationConfigB\003\340A\001\"\343\001\n\r"
           + "TunedModelRef\022;\n"
           + "\013tuned_model\030\001 \001(\tB$\372A!\n"
           + "\037aiplatform.googleapis.com/ModelH\000\022>\n\n"
@@ -212,7 +224,23 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "#aiplatform.googleapis.com/TuningJobH\000\022B\n"
           + "\014pipeline_job\030\003 \001(\tB*\372A\'\n"
           + "%aiplatform.googleapis.com/PipelineJobH\000B\021\n"
-          + "\017tuned_model_ref\"\\\n"
+          + "\017tuned_model_ref\"\266\002\n"
+          + "\020EvaluationConfig\0228\n"
+          + "\007metrics\030\001"
+          + " \003(\0132\".google.cloud.aiplatform.v1.MetricB\003\340A\002\022D\n\r"
+          + "output_config\030\002"
+          + " \001(\0132(.google.cloud.aiplatform.v1.OutputConfigB\003\340A\002\022J\n"
+          + "\020autorater_config\030\003"
+          + " \001(\0132+.google.cloud.aiplatform.v1.AutoraterConfigB\003\340A\001\022V\n"
+          + "\033inference_generation_config\030\005"
+          + " \001(\0132,.google.cloud.aiplatform.v1.GenerationConfigB\003\340A\001\"\361\001\n"
+          + "\022EvaluateDatasetRun\022\035\n"
+          + "\016operation_name\030\001 \001(\tB\005\030\001\340A\003\022\033\n"
+          + "\016evaluation_run\030\005 \001(\tB\003\340A\003\022\032\n\r"
+          + "checkpoint_id\030\002 \001(\tB\003\340A\003\022[\n"
+          + "\031evaluate_dataset_response\030\003"
+          + " \001(\01323.google.cloud.aiplatform.v1.EvaluateDatasetResponseB\003\340A\003\022&\n"
+          + "\005error\030\004 \001(\0132\022.google.rpc.StatusB\003\340A\003\"\\\n"
           + "\024TunedModelCheckpoint\022\025\n\r"
           + "checkpoint_id\030\001 \001(\t\022\r\n"
           + "\005epoch\030\002 \001(\003\022\014\n"
@@ -223,10 +251,11 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\037aiplatform.googleapis.com/Model\022\032\n\r"
           + "checkpoint_id\030\002 \001(\tB\003\340A\001\022\027\n\n"
           + "base_model\030\003 \001(\tB\003\340A\003B\314\001\n"
-          + "\036com.google.cloud.aiplatform.v1B\016TuningJobProtoP\001Z>cloud.google.com/go/"
-          + "aiplatform/apiv1/aiplatformpb;aiplatform"
-          + "pb\252\002\032Google.Cloud.AIPlatform.V1\312\002\032Google"
-          + "\\Cloud\\AIPlatform\\V1\352\002\035Google::Cloud::AIPlatform::V1b\006proto3"
+          + "\036com.google.cloud.aiplatform.v1B\016TuningJobProtoP\001Z>cloud.go"
+          + "ogle.com/go/aiplatform/apiv1/aiplatformp"
+          + "b;aiplatformpb\252\002\032Google.Cloud.AIPlatform"
+          + ".V1\312\002\032Google\\Cloud\\AIPlatform\\V1\352\002\035Googl"
+          + "e::Cloud::AIPlatform::V1b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -236,6 +265,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.api.ResourceProto.getDescriptor(),
               com.google.cloud.aiplatform.v1.ContentProto.getDescriptor(),
               com.google.cloud.aiplatform.v1.EncryptionSpecProto.getDescriptor(),
+              com.google.cloud.aiplatform.v1.EvaluationServiceProto.getDescriptor(),
               com.google.cloud.aiplatform.v1.JobStateProto.getDescriptor(),
               com.google.protobuf.TimestampProto.getDescriptor(),
               com.google.rpc.StatusProto.getDescriptor(),
@@ -264,6 +294,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "TuningDataStats",
               "EncryptionSpec",
               "ServiceAccount",
+              "EvaluateDatasetRuns",
               "SourceModel",
               "TuningSpec",
             });
@@ -345,6 +376,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "ValidationDatasetUri",
               "HyperParameters",
               "ExportLastCheckpointOnly",
+              "EvaluationConfig",
             });
     internal_static_google_cloud_aiplatform_v1_TunedModelRef_descriptor =
         getDescriptor().getMessageType(7);
@@ -354,8 +386,24 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             new java.lang.String[] {
               "TunedModel", "TuningJob", "PipelineJob", "TunedModelRef",
             });
-    internal_static_google_cloud_aiplatform_v1_TunedModelCheckpoint_descriptor =
+    internal_static_google_cloud_aiplatform_v1_EvaluationConfig_descriptor =
         getDescriptor().getMessageType(8);
+    internal_static_google_cloud_aiplatform_v1_EvaluationConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_EvaluationConfig_descriptor,
+            new java.lang.String[] {
+              "Metrics", "OutputConfig", "AutoraterConfig", "InferenceGenerationConfig",
+            });
+    internal_static_google_cloud_aiplatform_v1_EvaluateDatasetRun_descriptor =
+        getDescriptor().getMessageType(9);
+    internal_static_google_cloud_aiplatform_v1_EvaluateDatasetRun_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_aiplatform_v1_EvaluateDatasetRun_descriptor,
+            new java.lang.String[] {
+              "OperationName", "EvaluationRun", "CheckpointId", "EvaluateDatasetResponse", "Error",
+            });
+    internal_static_google_cloud_aiplatform_v1_TunedModelCheckpoint_descriptor =
+        getDescriptor().getMessageType(10);
     internal_static_google_cloud_aiplatform_v1_TunedModelCheckpoint_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_TunedModelCheckpoint_descriptor,
@@ -363,7 +411,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "CheckpointId", "Epoch", "Step", "Endpoint",
             });
     internal_static_google_cloud_aiplatform_v1_PreTunedModel_descriptor =
-        getDescriptor().getMessageType(9);
+        getDescriptor().getMessageType(11);
     internal_static_google_cloud_aiplatform_v1_PreTunedModel_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_aiplatform_v1_PreTunedModel_descriptor,
@@ -375,6 +423,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     com.google.api.ResourceProto.getDescriptor();
     com.google.cloud.aiplatform.v1.ContentProto.getDescriptor();
     com.google.cloud.aiplatform.v1.EncryptionSpecProto.getDescriptor();
+    com.google.cloud.aiplatform.v1.EvaluationServiceProto.getDescriptor();
     com.google.cloud.aiplatform.v1.JobStateProto.getDescriptor();
     com.google.protobuf.TimestampProto.getDescriptor();
     com.google.rpc.StatusProto.getDescriptor();
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/proto/google/cloud/aiplatform/v1/evaluation_service.proto b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/proto/google/cloud/aiplatform/v1/evaluation_service.proto
index 650c9f53450b..8f92a3065862 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/proto/google/cloud/aiplatform/v1/evaluation_service.proto
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/proto/google/cloud/aiplatform/v1/evaluation_service.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,10 @@ import "google/api/annotations.proto";
 import "google/api/client.proto";
 import "google/api/field_behavior.proto";
 import "google/api/resource.proto";
+import "google/cloud/aiplatform/v1/content.proto";
+import "google/cloud/aiplatform/v1/io.proto";
+import "google/protobuf/struct.proto";
+import "google/rpc/status.proto";
 
 option csharp_namespace = "Google.Cloud.AIPlatform.V1";
 option go_package = "cloud.google.com/go/aiplatform/apiv1/aiplatformpb;aiplatformpb";
@@ -158,6 +162,109 @@ message EvaluateInstancesRequest {
   ];
 }
 
+// The metric used for running evaluations.
+message Metric {
+  // The per-metric statistics on evaluation results supported by
+  // `EvaluationService.EvaluateDataset`.
+  enum AggregationMetric {
+    // Unspecified aggregation metric.
+    AGGREGATION_METRIC_UNSPECIFIED = 0;
+
+    // Average aggregation metric. Not supported for Pairwise metric.
+    AVERAGE = 1;
+
+    // Mode aggregation metric.
+    MODE = 2;
+
+    // Standard deviation aggregation metric. Not supported for pairwise metric.
+    STANDARD_DEVIATION = 3;
+
+    // Variance aggregation metric. Not supported for pairwise metric.
+    VARIANCE = 4;
+
+    // Minimum aggregation metric. Not supported for pairwise metric.
+    MINIMUM = 5;
+
+    // Maximum aggregation metric. Not supported for pairwise metric.
+    MAXIMUM = 6;
+
+    // Median aggregation metric. Not supported for pairwise metric.
+    MEDIAN = 7;
+
+    // 90th percentile aggregation metric. Not supported for pairwise metric.
+    PERCENTILE_P90 = 8;
+
+    // 95th percentile aggregation metric. Not supported for pairwise metric.
+    PERCENTILE_P95 = 9;
+
+    // 99th percentile aggregation metric. Not supported for pairwise metric.
+    PERCENTILE_P99 = 10;
+  }
+
+  // The spec for the metric.
+  // It would be either a pre-defined metric, or a inline metric spec.
+  oneof metric_spec {
+    // The spec for a pre-defined metric.
+    PredefinedMetricSpec predefined_metric_spec = 8;
+
+    // Spec for a computation based metric.
+    ComputationBasedMetricSpec computation_based_metric_spec = 9;
+
+    // Spec for an LLM based metric.
+    LLMBasedMetricSpec llm_based_metric_spec = 10;
+
+    // Spec for pointwise metric.
+    PointwiseMetricSpec pointwise_metric_spec = 2;
+
+    // Spec for pairwise metric.
+    PairwiseMetricSpec pairwise_metric_spec = 3;
+
+    // Spec for exact match metric.
+    ExactMatchSpec exact_match_spec = 4;
+
+    // Spec for bleu metric.
+    BleuSpec bleu_spec = 5;
+
+    // Spec for rouge metric.
+    RougeSpec rouge_spec = 6;
+  }
+
+  // Optional. The aggregation metrics to use.
+  repeated AggregationMetric aggregation_metrics = 1
+      [(google.api.field_behavior) = OPTIONAL];
+}
+
+// The configs for autorater. This is applicable to both EvaluateInstances and
+// EvaluateDataset.
+message AutoraterConfig {
+  // Optional. Number of samples for each instance in the dataset.
+  // If not specified, the default is 4. Minimum value is 1, maximum value
+  // is 32.
+  optional int32 sampling_count = 1 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Default is true. Whether to flip the candidate and baseline
+  // responses. This is only applicable to the pairwise metric. If enabled, also
+  // provide PairwiseMetricSpec.candidate_response_field_name and
+  // PairwiseMetricSpec.baseline_response_field_name. When rendering
+  // PairwiseMetricSpec.metric_prompt_template, the candidate and baseline
+  // fields will be flipped for half of the samples to reduce bias.
+  optional bool flip_enabled = 2 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. The fully qualified name of the publisher model or tuned
+  // autorater endpoint to use.
+  //
+  // Publisher model format:
+  // `projects/{project}/locations/{location}/publishers/*/models/*`
+  //
+  // Tuned model endpoint format:
+  // `projects/{project}/locations/{location}/endpoints/{endpoint}`
+  string autorater_model = 3 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Configuration options for model generation and outputs.
+  GenerationConfig generation_config = 4
+      [(google.api.field_behavior) = OPTIONAL];
+}
+
 // Response message for EvaluationService.EvaluateInstances.
 message EvaluateInstancesResponse {
   // Evaluation results will be served in the same order as presented in
@@ -250,6 +357,168 @@ message EvaluateInstancesResponse {
     // Result for Metricx metric.
     MetricxResult metricx_result = 30;
   }
+
+  // Metric results for each instance.
+  // The order of the metric results is guaranteed to be the same as the order
+  // of the instances in the request.
+  repeated MetricResult metric_results = 43;
+}
+
+// Result for a single metric on a single instance.
+message MetricResult {
+  // Output only. The score for the metric.
+  // Please refer to each metric's documentation for the meaning of the score.
+  optional float score = 1 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. The explanation for the metric result.
+  optional string explanation = 3 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. The error status for the metric result.
+  optional google.rpc.Status error = 4
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+}
+
+// Config for evaluation output.
+message OutputConfig {
+  // The destination for evaluation output.
+  oneof destination {
+    // Cloud storage destination for evaluation output.
+    GcsDestination gcs_destination = 1;
+  }
+}
+
+// The dataset used for evaluation.
+message EvaluationDataset {
+  // The source of the dataset.
+  oneof source {
+    // Cloud storage source holds the dataset. Currently only one Cloud Storage
+    // file path is supported.
+    GcsSource gcs_source = 1;
+
+    // BigQuery source holds the dataset.
+    BigQuerySource bigquery_source = 2;
+  }
+}
+
+// The results from an evaluation run performed by the EvaluationService.
+message EvaluateDatasetResponse {
+  // Output only. Aggregation statistics derived from results of
+  // EvaluationService.
+  AggregationOutput aggregation_output = 1
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Output info for EvaluationService.
+  OutputInfo output_info = 3 [(google.api.field_behavior) = OUTPUT_ONLY];
+}
+
+// Describes the info for output of EvaluationService.
+message OutputInfo {
+  // The output location into which evaluation output is written.
+  oneof output_location {
+    // Output only. The full path of the Cloud Storage directory created, into
+    // which the evaluation results and aggregation results are written.
+    string gcs_output_directory = 1 [(google.api.field_behavior) = OUTPUT_ONLY];
+  }
+}
+
+// The aggregation result for the entire dataset and all metrics.
+message AggregationOutput {
+  // The dataset used for evaluation & aggregation.
+  EvaluationDataset dataset = 1;
+
+  // One AggregationResult per metric.
+  repeated AggregationResult aggregation_results = 2;
+}
+
+// The aggregation result for a single metric.
+message AggregationResult {
+  // The aggregation result.
+  oneof aggregation_result {
+    // Result for pointwise metric.
+    PointwiseMetricResult pointwise_metric_result = 5;
+
+    // Result for pairwise metric.
+    PairwiseMetricResult pairwise_metric_result = 6;
+
+    // Results for exact match metric.
+    ExactMatchMetricValue exact_match_metric_value = 7;
+
+    // Results for bleu metric.
+    BleuMetricValue bleu_metric_value = 8;
+
+    // Results for rouge metric.
+    RougeMetricValue rouge_metric_value = 9;
+  }
+
+  // Aggregation metric.
+  Metric.AggregationMetric aggregation_metric = 4;
+}
+
+// The spec for a pre-defined metric.
+message PredefinedMetricSpec {
+  // Required. The name of a pre-defined metric, such as
+  // "instruction_following_v1" or "text_quality_v1".
+  string metric_spec_name = 1 [(google.api.field_behavior) = REQUIRED];
+
+  // Optional. The parameters needed to run the pre-defined metric.
+  google.protobuf.Struct metric_spec_parameters = 2
+      [(google.api.field_behavior) = OPTIONAL];
+}
+
+// Specification for a computation based metric.
+message ComputationBasedMetricSpec {
+  // Types of computation based metrics.
+  enum ComputationBasedMetricType {
+    // Unspecified computation based metric type.
+    COMPUTATION_BASED_METRIC_TYPE_UNSPECIFIED = 0;
+
+    // Exact match metric.
+    EXACT_MATCH = 1;
+
+    // BLEU metric.
+    BLEU = 2;
+
+    // ROUGE metric.
+    ROUGE = 3;
+  }
+
+  // Required. The type of the computation based metric.
+  optional ComputationBasedMetricType type = 1
+      [(google.api.field_behavior) = REQUIRED];
+
+  // Optional. A map of parameters for the metric, e.g. {"rouge_type":
+  // "rougeL"}.
+  optional google.protobuf.Struct parameters = 2
+      [(google.api.field_behavior) = OPTIONAL];
+}
+
+// Specification for an LLM based metric.
+message LLMBasedMetricSpec {
+  // Source of the rubrics to be used for evaluation.
+  oneof rubrics_source {
+    // Use a pre-defined group of rubrics associated with the input.
+    // Refers to a key in the rubric_groups map of EvaluationInstance.
+    string rubric_group_key = 4;
+
+    // Dynamically generate rubrics using a predefined spec.
+    PredefinedMetricSpec predefined_rubric_generation_spec = 6;
+  }
+
+  // Required. Template for the prompt sent to the judge model.
+  optional string metric_prompt_template = 1
+      [(google.api.field_behavior) = REQUIRED];
+
+  // Optional. System instructions for the judge model.
+  optional string system_instruction = 2
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Optional configuration for the judge LLM (Autorater).
+  optional AutoraterConfig judge_autorater_config = 3
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Optional additional configuration for the metric.
+  optional google.protobuf.Struct additional_config = 7
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Input for exact match metric.
@@ -1002,6 +1271,11 @@ message PointwiseMetricInstance {
     // in the json_instance to render
     // PointwiseMetricSpec.instance_prompt_template.
     string json_instance = 1;
+
+    // Key-value contents for the mutlimodality input, including text, image,
+    // video, audio, and pdf, etc. The key is placeholder in metric prompt
+    // template, and the value is the multimodal content.
+    ContentMap content_map_instance = 2;
   }
 }
 
@@ -1010,6 +1284,29 @@ message PointwiseMetricSpec {
   // Required. Metric prompt template for pointwise metric.
   optional string metric_prompt_template = 1
       [(google.api.field_behavior) = REQUIRED];
+
+  // Optional. System instructions for pointwise metric.
+  optional string system_instruction = 2
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. CustomOutputFormatConfig allows customization of metric output.
+  // By default, metrics return a score and explanation.
+  // When this config is set, the default output is replaced with either:
+  //  - The raw output string.
+  //  - A parsed output based on a user-defined schema.
+  // If a custom format is chosen, the `score` and `explanation` fields in the
+  // corresponding metric result will be empty.
+  CustomOutputFormatConfig custom_output_format_config = 3
+      [(google.api.field_behavior) = OPTIONAL];
+}
+
+// Spec for custom output format configuration.
+message CustomOutputFormatConfig {
+  // Custom output format configuration.
+  oneof custom_output_format_config {
+    // Optional. Whether to return raw output.
+    bool return_raw_output = 1 [(google.api.field_behavior) = OPTIONAL];
+  }
 }
 
 // Spec for pointwise metric result.
@@ -1019,6 +1316,24 @@ message PointwiseMetricResult {
 
   // Output only. Explanation for pointwise metric score.
   string explanation = 2 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Spec for custom output.
+  CustomOutput custom_output = 3 [(google.api.field_behavior) = OUTPUT_ONLY];
+}
+
+// Spec for custom output.
+message CustomOutput {
+  // Custom output.
+  oneof custom_output {
+    // Output only. List of raw output strings.
+    RawOutput raw_outputs = 1 [(google.api.field_behavior) = OUTPUT_ONLY];
+  }
+}
+
+// Raw output.
+message RawOutput {
+  // Output only. Raw output string.
+  repeated string raw_output = 1 [(google.api.field_behavior) = OUTPUT_ONLY];
 }
 
 // Input for pairwise metric.
@@ -1039,6 +1354,11 @@ message PairwiseMetricInstance {
     // in the json_instance to render
     // PairwiseMetricSpec.instance_prompt_template.
     string json_instance = 1;
+
+    // Key-value contents for the mutlimodality input, including text, image,
+    // video, audio, and pdf, etc. The key is placeholder in metric prompt
+    // template, and the value is the multimodal content.
+    ContentMap content_map_instance = 2;
   }
 }
 
@@ -1047,6 +1367,26 @@ message PairwiseMetricSpec {
   // Required. Metric prompt template for pairwise metric.
   optional string metric_prompt_template = 1
       [(google.api.field_behavior) = REQUIRED];
+
+  // Optional. The field name of the candidate response.
+  string candidate_response_field_name = 2
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. The field name of the baseline response.
+  string baseline_response_field_name = 3
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. System instructions for pairwise metric.
+  optional string system_instruction = 4
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. CustomOutputFormatConfig allows customization of metric output.
+  // When this config is set, the default output is replaced with
+  // the raw output string.
+  // If a custom format is chosen, the `pairwise_choice` and `explanation`
+  // fields in the corresponding metric result will be empty.
+  CustomOutputFormatConfig custom_output_format_config = 5
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Spec for pairwise metric result.
@@ -1057,6 +1397,9 @@ message PairwiseMetricResult {
 
   // Output only. Explanation for pairwise metric score.
   string explanation = 2 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Spec for custom output.
+  CustomOutput custom_output = 3 [(google.api.field_behavior) = OUTPUT_ONLY];
 }
 
 // Input for tool call valid metric.
@@ -1315,3 +1658,15 @@ message MetricxResult {
   // Output only. MetricX score. Range depends on version.
   optional float score = 1 [(google.api.field_behavior) = OUTPUT_ONLY];
 }
+
+// Map of placeholder in metric prompt template to contents of model input.
+message ContentMap {
+  // Repeated Content type.
+  message Contents {
+    // Optional. Repeated contents.
+    repeated Content contents = 1 [(google.api.field_behavior) = OPTIONAL];
+  }
+
+  // Optional. Map of placeholder to contents.
+  map<string, Contents> values = 1 [(google.api.field_behavior) = OPTIONAL];
+}
diff --git a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/proto/google/cloud/aiplatform/v1/tuning_job.proto b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/proto/google/cloud/aiplatform/v1/tuning_job.proto
index 93134c5ec03b..adb12ab44b1d 100644
--- a/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/proto/google/cloud/aiplatform/v1/tuning_job.proto
+++ b/java-aiplatform/proto-google-cloud-aiplatform-v1/src/main/proto/google/cloud/aiplatform/v1/tuning_job.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@ import "google/api/field_behavior.proto";
 import "google/api/resource.proto";
 import "google/cloud/aiplatform/v1/content.proto";
 import "google/cloud/aiplatform/v1/encryption_spec.proto";
+import "google/cloud/aiplatform/v1/evaluation_service.proto";
 import "google/cloud/aiplatform/v1/job_state.proto";
 import "google/protobuf/timestamp.proto";
 import "google/rpc/status.proto";
@@ -147,6 +148,10 @@ message TuningJob {
   // Users starting the pipeline must have the `iam.serviceAccounts.actAs`
   // permission on this service account.
   string service_account = 22;
+
+  // Output only. Evaluation runs for the Tuning Job.
+  repeated EvaluateDatasetRun evaluate_dataset_runs = 32
+      [(google.api.field_behavior) = OUTPUT_ONLY];
 }
 
 // The Model Registry Model and Online Prediction Endpoint associated with
@@ -350,6 +355,10 @@ message SupervisedTuningSpec {
   // the last checkpoint will be exported. Otherwise, enable intermediate
   // checkpoints for SFT. Default is false.
   bool export_last_checkpoint_only = 6 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Evaluation Config for Tuning Job.
+  EvaluationConfig evaluation_config = 5
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // TunedModel Reference for legacy model migration.
@@ -375,6 +384,46 @@ message TunedModelRef {
   }
 }
 
+// Evaluation Config for Tuning Job.
+message EvaluationConfig {
+  // Required. The metrics used for evaluation.
+  repeated Metric metrics = 1 [(google.api.field_behavior) = REQUIRED];
+
+  // Required. Config for evaluation output.
+  OutputConfig output_config = 2 [(google.api.field_behavior) = REQUIRED];
+
+  // Optional. Autorater config for evaluation.
+  AutoraterConfig autorater_config = 3 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Configuration options for inference generation and outputs.
+  // If not set, default generation parameters are used.
+  GenerationConfig inference_generation_config = 5
+      [(google.api.field_behavior) = OPTIONAL];
+}
+
+// Evaluate Dataset Run Result for Tuning Job.
+message EvaluateDatasetRun {
+  // Output only. Deprecated: The updated architecture uses evaluation_run
+  // instead.
+  string operation_name = 1
+      [deprecated = true, (google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. The resource name of the evaluation run. Format:
+  // `projects/{project}/locations/{location}/evaluationRuns/{evaluation_run_id}`.
+  string evaluation_run = 5 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. The checkpoint id used in the evaluation run. Only populated
+  // when evaluating checkpoints.
+  string checkpoint_id = 2 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Results for EvaluationService.
+  EvaluateDatasetResponse evaluate_dataset_response = 3
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. The error of the evaluation run if any.
+  google.rpc.Status error = 4 [(google.api.field_behavior) = OUTPUT_ONLY];
+}
+
 // TunedModelCheckpoint for the Tuned Model of a Tuning Job.
 message TunedModelCheckpoint {
   // The ID of the checkpoint.
diff --git a/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/AgentServiceClient.java b/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/AgentServiceClient.java
index b54a09ae0c0b..20d2098426d8 100644
--- a/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/AgentServiceClient.java
+++ b/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/AgentServiceClient.java
@@ -1009,6 +1009,26 @@
  *       </td>
  *    </tr>
  *    <tr>
+ *      <td><p> GenerateAppResource</td>
+ *      <td><p> Generates specific resources (e.g. agent) in the app using LLM assistant.</td>
+ *      <td>
+ *      <p>Request object method variants only take one parameter, a request object, which must be constructed before the call.</p>
+ *      <ul>
+ *           <li><p> generateAppResourceAsync(GenerateAppResourceRequest request)
+ *      </ul>
+ *      <p>Methods that return long-running operations have "Async" method variants that return `OperationFuture`, which is used to track polling of the service.</p>
+ *      <ul>
+ *           <li><p> generateAppResourceAsync(AppName parent)
+ *           <li><p> generateAppResourceAsync(String parent)
+ *      </ul>
+ *      <p>Callable method variants take no parameters and return an immutable API callable object, which can be used to initiate calls to the service.</p>
+ *      <ul>
+ *           <li><p> generateAppResourceOperationCallable()
+ *           <li><p> generateAppResourceCallable()
+ *      </ul>
+ *       </td>
+ *    </tr>
+ *    <tr>
  *      <td><p> ListChangelogs</td>
  *      <td><p> Lists the changelogs of the specified app.</td>
  *      <td>
@@ -7814,6 +7834,201 @@ public final UnaryCallable<RestoreAppVersionRequest, Operation> restoreAppVersio
     return stub.restoreAppVersionCallable();
   }
 
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Generates specific resources (e.g. agent) in the app using LLM assistant.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (AgentServiceClient agentServiceClient = AgentServiceClient.create()) {
+   *   AppName parent = AppName.of("[PROJECT]", "[LOCATION]", "[APP]");
+   *   GenerateAppResourceResponse response =
+   *       agentServiceClient.generateAppResourceAsync(parent).get();
+   * }
+   * }</pre>
+   *
+   * @param parent Required. The resource name of the app to generate the resource for.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final OperationFuture<GenerateAppResourceResponse, GenerateAppResourceOperationMetadata>
+      generateAppResourceAsync(AppName parent) {
+    GenerateAppResourceRequest request =
+        GenerateAppResourceRequest.newBuilder()
+            .setParent(parent == null ? null : parent.toString())
+            .build();
+    return generateAppResourceAsync(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Generates specific resources (e.g. agent) in the app using LLM assistant.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (AgentServiceClient agentServiceClient = AgentServiceClient.create()) {
+   *   String parent = AppName.of("[PROJECT]", "[LOCATION]", "[APP]").toString();
+   *   GenerateAppResourceResponse response =
+   *       agentServiceClient.generateAppResourceAsync(parent).get();
+   * }
+   * }</pre>
+   *
+   * @param parent Required. The resource name of the app to generate the resource for.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final OperationFuture<GenerateAppResourceResponse, GenerateAppResourceOperationMetadata>
+      generateAppResourceAsync(String parent) {
+    GenerateAppResourceRequest request =
+        GenerateAppResourceRequest.newBuilder().setParent(parent).build();
+    return generateAppResourceAsync(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Generates specific resources (e.g. agent) in the app using LLM assistant.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (AgentServiceClient agentServiceClient = AgentServiceClient.create()) {
+   *   GenerateAppResourceRequest request =
+   *       GenerateAppResourceRequest.newBuilder()
+   *           .setParent(AppName.of("[PROJECT]", "[LOCATION]", "[APP]").toString())
+   *           .addAllRefineInstructions(
+   *               new ArrayList<GenerateAppResourceRequest.RefineInstructions>())
+   *           .setToolGenerationConfig(
+   *               GenerateAppResourceRequest.ToolGenerationConfig.newBuilder().build())
+   *           .setAppGenerationConfig(
+   *               GenerateAppResourceRequest.AppGenerationConfig.newBuilder().build())
+   *           .setEvaluationGenerationConfig(
+   *               GenerateAppResourceRequest.EvaluationGenerationConfig.newBuilder().build())
+   *           .setEvaluationPersonasGenerationConfig(
+   *               GenerateAppResourceRequest.EvaluationPersonasGenerationConfig.newBuilder()
+   *                   .build())
+   *           .setQualityReportGenerationConfig(
+   *               GenerateAppResourceRequest.QualityReportGenerationConfig.newBuilder().build())
+   *           .setHillClimbingFixConfig(
+   *               GenerateAppResourceRequest.HillClimbingFixConfig.newBuilder().build())
+   *           .build();
+   *   GenerateAppResourceResponse response =
+   *       agentServiceClient.generateAppResourceAsync(request).get();
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final OperationFuture<GenerateAppResourceResponse, GenerateAppResourceOperationMetadata>
+      generateAppResourceAsync(GenerateAppResourceRequest request) {
+    return generateAppResourceOperationCallable().futureCall(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Generates specific resources (e.g. agent) in the app using LLM assistant.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (AgentServiceClient agentServiceClient = AgentServiceClient.create()) {
+   *   GenerateAppResourceRequest request =
+   *       GenerateAppResourceRequest.newBuilder()
+   *           .setParent(AppName.of("[PROJECT]", "[LOCATION]", "[APP]").toString())
+   *           .addAllRefineInstructions(
+   *               new ArrayList<GenerateAppResourceRequest.RefineInstructions>())
+   *           .setToolGenerationConfig(
+   *               GenerateAppResourceRequest.ToolGenerationConfig.newBuilder().build())
+   *           .setAppGenerationConfig(
+   *               GenerateAppResourceRequest.AppGenerationConfig.newBuilder().build())
+   *           .setEvaluationGenerationConfig(
+   *               GenerateAppResourceRequest.EvaluationGenerationConfig.newBuilder().build())
+   *           .setEvaluationPersonasGenerationConfig(
+   *               GenerateAppResourceRequest.EvaluationPersonasGenerationConfig.newBuilder()
+   *                   .build())
+   *           .setQualityReportGenerationConfig(
+   *               GenerateAppResourceRequest.QualityReportGenerationConfig.newBuilder().build())
+   *           .setHillClimbingFixConfig(
+   *               GenerateAppResourceRequest.HillClimbingFixConfig.newBuilder().build())
+   *           .build();
+   *   OperationFuture<GenerateAppResourceResponse, GenerateAppResourceOperationMetadata> future =
+   *       agentServiceClient.generateAppResourceOperationCallable().futureCall(request);
+   *   // Do something.
+   *   GenerateAppResourceResponse response = future.get();
+   * }
+   * }</pre>
+   */
+  public final OperationCallable<
+          GenerateAppResourceRequest,
+          GenerateAppResourceResponse,
+          GenerateAppResourceOperationMetadata>
+      generateAppResourceOperationCallable() {
+    return stub.generateAppResourceOperationCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Generates specific resources (e.g. agent) in the app using LLM assistant.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (AgentServiceClient agentServiceClient = AgentServiceClient.create()) {
+   *   GenerateAppResourceRequest request =
+   *       GenerateAppResourceRequest.newBuilder()
+   *           .setParent(AppName.of("[PROJECT]", "[LOCATION]", "[APP]").toString())
+   *           .addAllRefineInstructions(
+   *               new ArrayList<GenerateAppResourceRequest.RefineInstructions>())
+   *           .setToolGenerationConfig(
+   *               GenerateAppResourceRequest.ToolGenerationConfig.newBuilder().build())
+   *           .setAppGenerationConfig(
+   *               GenerateAppResourceRequest.AppGenerationConfig.newBuilder().build())
+   *           .setEvaluationGenerationConfig(
+   *               GenerateAppResourceRequest.EvaluationGenerationConfig.newBuilder().build())
+   *           .setEvaluationPersonasGenerationConfig(
+   *               GenerateAppResourceRequest.EvaluationPersonasGenerationConfig.newBuilder()
+   *                   .build())
+   *           .setQualityReportGenerationConfig(
+   *               GenerateAppResourceRequest.QualityReportGenerationConfig.newBuilder().build())
+   *           .setHillClimbingFixConfig(
+   *               GenerateAppResourceRequest.HillClimbingFixConfig.newBuilder().build())
+   *           .build();
+   *   ApiFuture<Operation> future =
+   *       agentServiceClient.generateAppResourceCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<GenerateAppResourceRequest, Operation> generateAppResourceCallable() {
+    return stub.generateAppResourceCallable();
+  }
+
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
    * Lists the changelogs of the specified app.
diff --git a/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/AgentServiceSettings.java b/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/AgentServiceSettings.java
index 2fc60387cdf4..f51e545b6c68 100644
--- a/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/AgentServiceSettings.java
+++ b/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/AgentServiceSettings.java
@@ -425,6 +425,20 @@ public UnaryCallSettings<RestoreAppVersionRequest, Operation> restoreAppVersionS
     return ((AgentServiceStubSettings) getStubSettings()).restoreAppVersionOperationSettings();
   }
 
+  /** Returns the object with the settings used for calls to generateAppResource. */
+  public UnaryCallSettings<GenerateAppResourceRequest, Operation> generateAppResourceSettings() {
+    return ((AgentServiceStubSettings) getStubSettings()).generateAppResourceSettings();
+  }
+
+  /** Returns the object with the settings used for calls to generateAppResource. */
+  public OperationCallSettings<
+          GenerateAppResourceRequest,
+          GenerateAppResourceResponse,
+          GenerateAppResourceOperationMetadata>
+      generateAppResourceOperationSettings() {
+    return ((AgentServiceStubSettings) getStubSettings()).generateAppResourceOperationSettings();
+  }
+
   /** Returns the object with the settings used for calls to listChangelogs. */
   public PagedCallSettings<
           ListChangelogsRequest, ListChangelogsResponse, ListChangelogsPagedResponse>
@@ -862,6 +876,21 @@ public UnaryCallSettings.Builder<DeleteAppVersionRequest, Empty> deleteAppVersio
       return getStubSettingsBuilder().restoreAppVersionOperationSettings();
     }
 
+    /** Returns the builder for the settings used for calls to generateAppResource. */
+    public UnaryCallSettings.Builder<GenerateAppResourceRequest, Operation>
+        generateAppResourceSettings() {
+      return getStubSettingsBuilder().generateAppResourceSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to generateAppResource. */
+    public OperationCallSettings.Builder<
+            GenerateAppResourceRequest,
+            GenerateAppResourceResponse,
+            GenerateAppResourceOperationMetadata>
+        generateAppResourceOperationSettings() {
+      return getStubSettingsBuilder().generateAppResourceOperationSettings();
+    }
+
     /** Returns the builder for the settings used for calls to listChangelogs. */
     public PagedCallSettings.Builder<
             ListChangelogsRequest, ListChangelogsResponse, ListChangelogsPagedResponse>
diff --git a/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/gapic_metadata.json b/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/gapic_metadata.json
index c603439aef68..472878611640 100644
--- a/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/gapic_metadata.json
+++ b/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/gapic_metadata.json
@@ -67,6 +67,9 @@
             "ExportApp": {
               "methods": ["exportAppAsync", "exportAppAsync", "exportAppAsync", "exportAppOperationCallable", "exportAppCallable"]
             },
+            "GenerateAppResource": {
+              "methods": ["generateAppResourceAsync", "generateAppResourceAsync", "generateAppResourceAsync", "generateAppResourceOperationCallable", "generateAppResourceCallable"]
+            },
             "GetAgent": {
               "methods": ["getAgent", "getAgent", "getAgent", "getAgentCallable"]
             },
diff --git a/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/stub/AgentServiceStub.java b/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/stub/AgentServiceStub.java
index a60619b70ae9..0a612fcb1a86 100644
--- a/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/stub/AgentServiceStub.java
+++ b/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/stub/AgentServiceStub.java
@@ -60,6 +60,9 @@
 import com.google.cloud.ces.v1beta.Example;
 import com.google.cloud.ces.v1beta.ExportAppRequest;
 import com.google.cloud.ces.v1beta.ExportAppResponse;
+import com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata;
+import com.google.cloud.ces.v1beta.GenerateAppResourceRequest;
+import com.google.cloud.ces.v1beta.GenerateAppResourceResponse;
 import com.google.cloud.ces.v1beta.GetAgentRequest;
 import com.google.cloud.ces.v1beta.GetAppRequest;
 import com.google.cloud.ces.v1beta.GetAppVersionRequest;
@@ -402,6 +405,19 @@ public UnaryCallable<RestoreAppVersionRequest, Operation> restoreAppVersionCalla
     throw new UnsupportedOperationException("Not implemented: restoreAppVersionCallable()");
   }
 
+  public OperationCallable<
+          GenerateAppResourceRequest,
+          GenerateAppResourceResponse,
+          GenerateAppResourceOperationMetadata>
+      generateAppResourceOperationCallable() {
+    throw new UnsupportedOperationException(
+        "Not implemented: generateAppResourceOperationCallable()");
+  }
+
+  public UnaryCallable<GenerateAppResourceRequest, Operation> generateAppResourceCallable() {
+    throw new UnsupportedOperationException("Not implemented: generateAppResourceCallable()");
+  }
+
   public UnaryCallable<ListChangelogsRequest, ListChangelogsPagedResponse>
       listChangelogsPagedCallable() {
     throw new UnsupportedOperationException("Not implemented: listChangelogsPagedCallable()");
diff --git a/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/stub/AgentServiceStubSettings.java b/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/stub/AgentServiceStubSettings.java
index f03e53f7e337..9b4ce4f8312a 100644
--- a/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/stub/AgentServiceStubSettings.java
+++ b/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/stub/AgentServiceStubSettings.java
@@ -87,6 +87,9 @@
 import com.google.cloud.ces.v1beta.Example;
 import com.google.cloud.ces.v1beta.ExportAppRequest;
 import com.google.cloud.ces.v1beta.ExportAppResponse;
+import com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata;
+import com.google.cloud.ces.v1beta.GenerateAppResourceRequest;
+import com.google.cloud.ces.v1beta.GenerateAppResourceResponse;
 import com.google.cloud.ces.v1beta.GetAgentRequest;
 import com.google.cloud.ces.v1beta.GetAppRequest;
 import com.google.cloud.ces.v1beta.GetAppVersionRequest;
@@ -317,6 +320,13 @@ public class AgentServiceStubSettings extends StubSettings<AgentServiceStubSetti
   private final OperationCallSettings<
           RestoreAppVersionRequest, RestoreAppVersionResponse, OperationMetadata>
       restoreAppVersionOperationSettings;
+  private final UnaryCallSettings<GenerateAppResourceRequest, Operation>
+      generateAppResourceSettings;
+  private final OperationCallSettings<
+          GenerateAppResourceRequest,
+          GenerateAppResourceResponse,
+          GenerateAppResourceOperationMetadata>
+      generateAppResourceOperationSettings;
   private final PagedCallSettings<
           ListChangelogsRequest, ListChangelogsResponse, ListChangelogsPagedResponse>
       listChangelogsSettings;
@@ -1196,6 +1206,20 @@ public UnaryCallSettings<RestoreAppVersionRequest, Operation> restoreAppVersionS
     return restoreAppVersionOperationSettings;
   }
 
+  /** Returns the object with the settings used for calls to generateAppResource. */
+  public UnaryCallSettings<GenerateAppResourceRequest, Operation> generateAppResourceSettings() {
+    return generateAppResourceSettings;
+  }
+
+  /** Returns the object with the settings used for calls to generateAppResource. */
+  public OperationCallSettings<
+          GenerateAppResourceRequest,
+          GenerateAppResourceResponse,
+          GenerateAppResourceOperationMetadata>
+      generateAppResourceOperationSettings() {
+    return generateAppResourceOperationSettings;
+  }
+
   /** Returns the object with the settings used for calls to listChangelogs. */
   public PagedCallSettings<
           ListChangelogsRequest, ListChangelogsResponse, ListChangelogsPagedResponse>
@@ -1386,6 +1410,9 @@ protected AgentServiceStubSettings(Builder settingsBuilder) throws IOException {
     restoreAppVersionSettings = settingsBuilder.restoreAppVersionSettings().build();
     restoreAppVersionOperationSettings =
         settingsBuilder.restoreAppVersionOperationSettings().build();
+    generateAppResourceSettings = settingsBuilder.generateAppResourceSettings().build();
+    generateAppResourceOperationSettings =
+        settingsBuilder.generateAppResourceOperationSettings().build();
     listChangelogsSettings = settingsBuilder.listChangelogsSettings().build();
     getChangelogSettings = settingsBuilder.getChangelogSettings().build();
     listLocationsSettings = settingsBuilder.listLocationsSettings().build();
@@ -1499,6 +1526,13 @@ public static class Builder extends StubSettings.Builder<AgentServiceStubSetting
     private final OperationCallSettings.Builder<
             RestoreAppVersionRequest, RestoreAppVersionResponse, OperationMetadata>
         restoreAppVersionOperationSettings;
+    private final UnaryCallSettings.Builder<GenerateAppResourceRequest, Operation>
+        generateAppResourceSettings;
+    private final OperationCallSettings.Builder<
+            GenerateAppResourceRequest,
+            GenerateAppResourceResponse,
+            GenerateAppResourceOperationMetadata>
+        generateAppResourceOperationSettings;
     private final PagedCallSettings.Builder<
             ListChangelogsRequest, ListChangelogsResponse, ListChangelogsPagedResponse>
         listChangelogsSettings;
@@ -1601,6 +1635,8 @@ protected Builder(ClientContext clientContext) {
       deleteAppVersionSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       restoreAppVersionSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       restoreAppVersionOperationSettings = OperationCallSettings.newBuilder();
+      generateAppResourceSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      generateAppResourceOperationSettings = OperationCallSettings.newBuilder();
       listChangelogsSettings = PagedCallSettings.newBuilder(LIST_CHANGELOGS_PAGE_STR_FACT);
       getChangelogSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       listLocationsSettings = PagedCallSettings.newBuilder(LIST_LOCATIONS_PAGE_STR_FACT);
@@ -1656,6 +1692,7 @@ protected Builder(ClientContext clientContext) {
               createAppVersionSettings,
               deleteAppVersionSettings,
               restoreAppVersionSettings,
+              generateAppResourceSettings,
               listChangelogsSettings,
               getChangelogSettings,
               listLocationsSettings,
@@ -1721,6 +1758,9 @@ protected Builder(AgentServiceStubSettings settings) {
       deleteAppVersionSettings = settings.deleteAppVersionSettings.toBuilder();
       restoreAppVersionSettings = settings.restoreAppVersionSettings.toBuilder();
       restoreAppVersionOperationSettings = settings.restoreAppVersionOperationSettings.toBuilder();
+      generateAppResourceSettings = settings.generateAppResourceSettings.toBuilder();
+      generateAppResourceOperationSettings =
+          settings.generateAppResourceOperationSettings.toBuilder();
       listChangelogsSettings = settings.listChangelogsSettings.toBuilder();
       getChangelogSettings = settings.getChangelogSettings.toBuilder();
       listLocationsSettings = settings.listLocationsSettings.toBuilder();
@@ -1776,6 +1816,7 @@ protected Builder(AgentServiceStubSettings settings) {
               createAppVersionSettings,
               deleteAppVersionSettings,
               restoreAppVersionSettings,
+              generateAppResourceSettings,
               listChangelogsSettings,
               getChangelogSettings,
               listLocationsSettings,
@@ -2047,6 +2088,11 @@ private static Builder initDefaults(Builder builder) {
           .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
           .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
 
+      builder
+          .generateAppResourceSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
+
       builder
           .listChangelogsSettings()
           .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
@@ -2208,6 +2254,32 @@ private static Builder initDefaults(Builder builder) {
                       .setTotalTimeoutDuration(Duration.ofMillis(300000L))
                       .build()));
 
+      builder
+          .generateAppResourceOperationSettings()
+          .setInitialCallSettings(
+              UnaryCallSettings
+                  .<GenerateAppResourceRequest, OperationSnapshot>newUnaryCallSettingsBuilder()
+                  .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
+                  .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"))
+                  .build())
+          .setResponseTransformer(
+              ProtoOperationTransformers.ResponseTransformer.create(
+                  GenerateAppResourceResponse.class))
+          .setMetadataTransformer(
+              ProtoOperationTransformers.MetadataTransformer.create(
+                  GenerateAppResourceOperationMetadata.class))
+          .setPollingAlgorithm(
+              OperationTimedPollAlgorithm.create(
+                  RetrySettings.newBuilder()
+                      .setInitialRetryDelayDuration(Duration.ofMillis(5000L))
+                      .setRetryDelayMultiplier(1.5)
+                      .setMaxRetryDelayDuration(Duration.ofMillis(45000L))
+                      .setInitialRpcTimeoutDuration(Duration.ZERO)
+                      .setRpcTimeoutMultiplier(1.0)
+                      .setMaxRpcTimeoutDuration(Duration.ZERO)
+                      .setTotalTimeoutDuration(Duration.ofMillis(300000L))
+                      .build()));
+
       return builder;
     }
 
@@ -2528,6 +2600,21 @@ public UnaryCallSettings.Builder<DeleteAppVersionRequest, Empty> deleteAppVersio
       return restoreAppVersionOperationSettings;
     }
 
+    /** Returns the builder for the settings used for calls to generateAppResource. */
+    public UnaryCallSettings.Builder<GenerateAppResourceRequest, Operation>
+        generateAppResourceSettings() {
+      return generateAppResourceSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to generateAppResource. */
+    public OperationCallSettings.Builder<
+            GenerateAppResourceRequest,
+            GenerateAppResourceResponse,
+            GenerateAppResourceOperationMetadata>
+        generateAppResourceOperationSettings() {
+      return generateAppResourceOperationSettings;
+    }
+
     /** Returns the builder for the settings used for calls to listChangelogs. */
     public PagedCallSettings.Builder<
             ListChangelogsRequest, ListChangelogsResponse, ListChangelogsPagedResponse>
diff --git a/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/stub/GrpcAgentServiceStub.java b/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/stub/GrpcAgentServiceStub.java
index 43642a27c935..6fd2715a8d4c 100644
--- a/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/stub/GrpcAgentServiceStub.java
+++ b/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/stub/GrpcAgentServiceStub.java
@@ -65,6 +65,9 @@
 import com.google.cloud.ces.v1beta.Example;
 import com.google.cloud.ces.v1beta.ExportAppRequest;
 import com.google.cloud.ces.v1beta.ExportAppResponse;
+import com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata;
+import com.google.cloud.ces.v1beta.GenerateAppResourceRequest;
+import com.google.cloud.ces.v1beta.GenerateAppResourceResponse;
 import com.google.cloud.ces.v1beta.GetAgentRequest;
 import com.google.cloud.ces.v1beta.GetAppRequest;
 import com.google.cloud.ces.v1beta.GetAppVersionRequest;
@@ -627,6 +630,17 @@ public class GrpcAgentServiceStub extends AgentServiceStub {
               .setSampledToLocalTracing(true)
               .build();
 
+  private static final MethodDescriptor<GenerateAppResourceRequest, Operation>
+      generateAppResourceMethodDescriptor =
+          MethodDescriptor.<GenerateAppResourceRequest, Operation>newBuilder()
+              .setType(MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName("google.cloud.ces.v1beta.AgentService/GenerateAppResource")
+              .setRequestMarshaller(
+                  ProtoUtils.marshaller(GenerateAppResourceRequest.getDefaultInstance()))
+              .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
+              .build();
+
   private static final MethodDescriptor<ListChangelogsRequest, ListChangelogsResponse>
       listChangelogsMethodDescriptor =
           MethodDescriptor.<ListChangelogsRequest, ListChangelogsResponse>newBuilder()
@@ -753,6 +767,12 @@ public class GrpcAgentServiceStub extends AgentServiceStub {
   private final OperationCallable<
           RestoreAppVersionRequest, RestoreAppVersionResponse, OperationMetadata>
       restoreAppVersionOperationCallable;
+  private final UnaryCallable<GenerateAppResourceRequest, Operation> generateAppResourceCallable;
+  private final OperationCallable<
+          GenerateAppResourceRequest,
+          GenerateAppResourceResponse,
+          GenerateAppResourceOperationMetadata>
+      generateAppResourceOperationCallable;
   private final UnaryCallable<ListChangelogsRequest, ListChangelogsResponse> listChangelogsCallable;
   private final UnaryCallable<ListChangelogsRequest, ListChangelogsPagedResponse>
       listChangelogsPagedCallable;
@@ -1333,6 +1353,17 @@ protected GrpcAgentServiceStub(
                 })
             .setResourceNameExtractor(request -> request.getName())
             .build();
+    GrpcCallSettings<GenerateAppResourceRequest, Operation> generateAppResourceTransportSettings =
+        GrpcCallSettings.<GenerateAppResourceRequest, Operation>newBuilder()
+            .setMethodDescriptor(generateAppResourceMethodDescriptor)
+            .setParamsExtractor(
+                request -> {
+                  RequestParamsBuilder builder = RequestParamsBuilder.create();
+                  builder.add("parent", String.valueOf(request.getParent()));
+                  return builder.build();
+                })
+            .setResourceNameExtractor(request -> request.getParent())
+            .build();
     GrpcCallSettings<ListChangelogsRequest, ListChangelogsResponse>
         listChangelogsTransportSettings =
             GrpcCallSettings.<ListChangelogsRequest, ListChangelogsResponse>newBuilder()
@@ -1598,6 +1629,17 @@ protected GrpcAgentServiceStub(
             settings.restoreAppVersionOperationSettings(),
             clientContext,
             operationsStub);
+    this.generateAppResourceCallable =
+        callableFactory.createUnaryCallable(
+            generateAppResourceTransportSettings,
+            settings.generateAppResourceSettings(),
+            clientContext);
+    this.generateAppResourceOperationCallable =
+        callableFactory.createOperationCallable(
+            generateAppResourceTransportSettings,
+            settings.generateAppResourceOperationSettings(),
+            clientContext,
+            operationsStub);
     this.listChangelogsCallable =
         callableFactory.createUnaryCallable(
             listChangelogsTransportSettings, settings.listChangelogsSettings(), clientContext);
@@ -1953,6 +1995,20 @@ public UnaryCallable<RestoreAppVersionRequest, Operation> restoreAppVersionCalla
     return restoreAppVersionOperationCallable;
   }
 
+  @Override
+  public UnaryCallable<GenerateAppResourceRequest, Operation> generateAppResourceCallable() {
+    return generateAppResourceCallable;
+  }
+
+  @Override
+  public OperationCallable<
+          GenerateAppResourceRequest,
+          GenerateAppResourceResponse,
+          GenerateAppResourceOperationMetadata>
+      generateAppResourceOperationCallable() {
+    return generateAppResourceOperationCallable;
+  }
+
   @Override
   public UnaryCallable<ListChangelogsRequest, ListChangelogsResponse> listChangelogsCallable() {
     return listChangelogsCallable;
diff --git a/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/stub/HttpJsonAgentServiceStub.java b/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/stub/HttpJsonAgentServiceStub.java
index 6ed1509df366..2230511209e3 100644
--- a/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/stub/HttpJsonAgentServiceStub.java
+++ b/java-ces/google-cloud-ces/src/main/java/com/google/cloud/ces/v1beta/stub/HttpJsonAgentServiceStub.java
@@ -73,6 +73,9 @@
 import com.google.cloud.ces.v1beta.Example;
 import com.google.cloud.ces.v1beta.ExportAppRequest;
 import com.google.cloud.ces.v1beta.ExportAppResponse;
+import com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata;
+import com.google.cloud.ces.v1beta.GenerateAppResourceRequest;
+import com.google.cloud.ces.v1beta.GenerateAppResourceResponse;
 import com.google.cloud.ces.v1beta.GetAgentRequest;
 import com.google.cloud.ces.v1beta.GetAppRequest;
 import com.google.cloud.ces.v1beta.GetAppVersionRequest;
@@ -148,7 +151,9 @@
 public class HttpJsonAgentServiceStub extends AgentServiceStub {
   private static final TypeRegistry typeRegistry =
       TypeRegistry.newBuilder()
+          .add(GenerateAppResourceOperationMetadata.getDescriptor())
           .add(Empty.getDescriptor())
+          .add(GenerateAppResourceResponse.getDescriptor())
           .add(RestoreAppVersionResponse.getDescriptor())
           .add(ExportAppResponse.getDescriptor())
           .add(BatchDeleteConversationsResponse.getDescriptor())
@@ -1919,6 +1924,46 @@ public class HttpJsonAgentServiceStub extends AgentServiceStub {
                       HttpJsonOperationSnapshot.create(response))
               .build();
 
+  private static final ApiMethodDescriptor<GenerateAppResourceRequest, Operation>
+      generateAppResourceMethodDescriptor =
+          ApiMethodDescriptor.<GenerateAppResourceRequest, Operation>newBuilder()
+              .setFullMethodName("google.cloud.ces.v1beta.AgentService/GenerateAppResource")
+              .setHttpMethod("POST")
+              .setType(ApiMethodDescriptor.MethodType.UNARY)
+              .setRequestFormatter(
+                  ProtoMessageRequestFormatter.<GenerateAppResourceRequest>newBuilder()
+                      .setPath(
+                          "/v1beta/{parent=projects/*/locations/*/apps/*}:generateAppResource",
+                          request -> {
+                            Map<String, String> fields = new HashMap<>();
+                            ProtoRestSerializer<GenerateAppResourceRequest> serializer =
+                                ProtoRestSerializer.create();
+                            serializer.putPathParam(fields, "parent", request.getParent());
+                            return fields;
+                          })
+                      .setQueryParamsExtractor(
+                          request -> {
+                            Map<String, List<String>> fields = new HashMap<>();
+                            ProtoRestSerializer<GenerateAppResourceRequest> serializer =
+                                ProtoRestSerializer.create();
+                            serializer.putQueryParam(fields, "$alt", "json;enum-encoding=int");
+                            return fields;
+                          })
+                      .setRequestBodyExtractor(
+                          request ->
+                              ProtoRestSerializer.create()
+                                  .toBody("*", request.toBuilder().clearParent().build(), true))
+                      .build())
+              .setResponseParser(
+                  ProtoMessageResponseParser.<Operation>newBuilder()
+                      .setDefaultInstance(Operation.getDefaultInstance())
+                      .setDefaultTypeRegistry(typeRegistry)
+                      .build())
+              .setOperationSnapshotFactory(
+                  (GenerateAppResourceRequest request, Operation response) ->
+                      HttpJsonOperationSnapshot.create(response))
+              .build();
+
   private static final ApiMethodDescriptor<ListChangelogsRequest, ListChangelogsResponse>
       listChangelogsMethodDescriptor =
           ApiMethodDescriptor.<ListChangelogsRequest, ListChangelogsResponse>newBuilder()
@@ -2142,6 +2187,12 @@ public class HttpJsonAgentServiceStub extends AgentServiceStub {
   private final OperationCallable<
           RestoreAppVersionRequest, RestoreAppVersionResponse, OperationMetadata>
       restoreAppVersionOperationCallable;
+  private final UnaryCallable<GenerateAppResourceRequest, Operation> generateAppResourceCallable;
+  private final OperationCallable<
+          GenerateAppResourceRequest,
+          GenerateAppResourceResponse,
+          GenerateAppResourceOperationMetadata>
+      generateAppResourceOperationCallable;
   private final UnaryCallable<ListChangelogsRequest, ListChangelogsResponse> listChangelogsCallable;
   private final UnaryCallable<ListChangelogsRequest, ListChangelogsPagedResponse>
       listChangelogsPagedCallable;
@@ -2798,6 +2849,19 @@ protected HttpJsonAgentServiceStub(
                 })
             .setResourceNameExtractor(request -> request.getName())
             .build();
+    HttpJsonCallSettings<GenerateAppResourceRequest, Operation>
+        generateAppResourceTransportSettings =
+            HttpJsonCallSettings.<GenerateAppResourceRequest, Operation>newBuilder()
+                .setMethodDescriptor(generateAppResourceMethodDescriptor)
+                .setTypeRegistry(typeRegistry)
+                .setParamsExtractor(
+                    request -> {
+                      RequestParamsBuilder builder = RequestParamsBuilder.create();
+                      builder.add("parent", String.valueOf(request.getParent()));
+                      return builder.build();
+                    })
+                .setResourceNameExtractor(request -> request.getParent())
+                .build();
     HttpJsonCallSettings<ListChangelogsRequest, ListChangelogsResponse>
         listChangelogsTransportSettings =
             HttpJsonCallSettings.<ListChangelogsRequest, ListChangelogsResponse>newBuilder()
@@ -3068,6 +3132,17 @@ protected HttpJsonAgentServiceStub(
             settings.restoreAppVersionOperationSettings(),
             clientContext,
             httpJsonOperationsStub);
+    this.generateAppResourceCallable =
+        callableFactory.createUnaryCallable(
+            generateAppResourceTransportSettings,
+            settings.generateAppResourceSettings(),
+            clientContext);
+    this.generateAppResourceOperationCallable =
+        callableFactory.createOperationCallable(
+            generateAppResourceTransportSettings,
+            settings.generateAppResourceOperationSettings(),
+            clientContext,
+            httpJsonOperationsStub);
     this.listChangelogsCallable =
         callableFactory.createUnaryCallable(
             listChangelogsTransportSettings, settings.listChangelogsSettings(), clientContext);
@@ -3142,6 +3217,7 @@ public static List<ApiMethodDescriptor> getMethodDescriptors() {
     methodDescriptors.add(createAppVersionMethodDescriptor);
     methodDescriptors.add(deleteAppVersionMethodDescriptor);
     methodDescriptors.add(restoreAppVersionMethodDescriptor);
+    methodDescriptors.add(generateAppResourceMethodDescriptor);
     methodDescriptors.add(listChangelogsMethodDescriptor);
     methodDescriptors.add(getChangelogMethodDescriptor);
     methodDescriptors.add(listLocationsMethodDescriptor);
@@ -3481,6 +3557,20 @@ public UnaryCallable<RestoreAppVersionRequest, Operation> restoreAppVersionCalla
     return restoreAppVersionOperationCallable;
   }
 
+  @Override
+  public UnaryCallable<GenerateAppResourceRequest, Operation> generateAppResourceCallable() {
+    return generateAppResourceCallable;
+  }
+
+  @Override
+  public OperationCallable<
+          GenerateAppResourceRequest,
+          GenerateAppResourceResponse,
+          GenerateAppResourceOperationMetadata>
+      generateAppResourceOperationCallable() {
+    return generateAppResourceOperationCallable;
+  }
+
   @Override
   public UnaryCallable<ListChangelogsRequest, ListChangelogsResponse> listChangelogsCallable() {
     return listChangelogsCallable;
diff --git a/java-ces/google-cloud-ces/src/main/resources/META-INF/native-image/com.google.cloud.ces.v1beta/reflect-config.json b/java-ces/google-cloud-ces/src/main/resources/META-INF/native-image/com.google.cloud.ces.v1beta/reflect-config.json
index 75b48af12bdc..28650578353c 100644
--- a/java-ces/google-cloud-ces/src/main/resources/META-INF/native-image/com.google.cloud.ces.v1beta/reflect-config.json
+++ b/java-ces/google-cloud-ces/src/main/resources/META-INF/native-image/com.google.cloud.ces.v1beta/reflect-config.json
@@ -3536,6 +3536,42 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.ces.v1beta.FileContext",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.FileContext$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.FileContext$FileBytes",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.FileContext$FileBytes$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.ces.v1beta.FileSearchTool",
     "queryAllDeclaredConstructors": true,
@@ -3563,6 +3599,213 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata$GenerationType",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest$AppGenerationConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest$AppGenerationConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest$EvaluationGenerationConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest$EvaluationGenerationConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest$EvaluationPersonasGenerationConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest$EvaluationPersonasGenerationConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest$HillClimbingFixConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest$HillClimbingFixConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest$QualityReportGenerationConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest$QualityReportGenerationConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest$RefineInstructions",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest$RefineInstructions$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest$ToolGenerationConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest$ToolGenerationConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest$ToolGenerationConfig$OpenApiToolsetGenerationConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest$ToolGenerationConfig$OpenApiToolsetGenerationConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest$ToolGenerationConfig$OpenApiToolsetGenerationConfig$OperationGenerationConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.ces.v1beta.GenerateAppResourceRequest$ToolGenerationConfig$OpenApiToolsetGenerationConfig$OperationGenerationConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.ces.v1beta.GenerateAppResourceResponse",
     "queryAllDeclaredConstructors": true,
diff --git a/java-ces/google-cloud-ces/src/test/java/com/google/cloud/ces/v1beta/AgentServiceClientHttpJsonTest.java b/java-ces/google-cloud-ces/src/test/java/com/google/cloud/ces/v1beta/AgentServiceClientHttpJsonTest.java
index 1eb84a4d900b..7e9b5c265473 100644
--- a/java-ces/google-cloud-ces/src/test/java/com/google/cloud/ces/v1beta/AgentServiceClientHttpJsonTest.java
+++ b/java-ces/google-cloud-ces/src/test/java/com/google/cloud/ces/v1beta/AgentServiceClientHttpJsonTest.java
@@ -5793,6 +5793,106 @@ public void restoreAppVersionExceptionTest2() throws Exception {
     }
   }
 
+  @Test
+  public void generateAppResourceTest() throws Exception {
+    GenerateAppResourceResponse expectedResponse =
+        GenerateAppResourceResponse.newBuilder()
+            .setGenerateResultInfo(
+                GenerateAppResourceResponse.GenerateResultInfo.newBuilder().build())
+            .build();
+    Operation resultOperation =
+        Operation.newBuilder()
+            .setName("generateAppResourceTest")
+            .setDone(true)
+            .setResponse(Any.pack(expectedResponse))
+            .build();
+    mockService.addResponse(resultOperation);
+
+    AppName parent = AppName.of("[PROJECT]", "[LOCATION]", "[APP]");
+
+    GenerateAppResourceResponse actualResponse = client.generateAppResourceAsync(parent).get();
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void generateAppResourceExceptionTest() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      AppName parent = AppName.of("[PROJECT]", "[LOCATION]", "[APP]");
+      client.generateAppResourceAsync(parent).get();
+      Assert.fail("No exception raised");
+    } catch (ExecutionException e) {
+    }
+  }
+
+  @Test
+  public void generateAppResourceTest2() throws Exception {
+    GenerateAppResourceResponse expectedResponse =
+        GenerateAppResourceResponse.newBuilder()
+            .setGenerateResultInfo(
+                GenerateAppResourceResponse.GenerateResultInfo.newBuilder().build())
+            .build();
+    Operation resultOperation =
+        Operation.newBuilder()
+            .setName("generateAppResourceTest")
+            .setDone(true)
+            .setResponse(Any.pack(expectedResponse))
+            .build();
+    mockService.addResponse(resultOperation);
+
+    String parent = "projects/project-8877/locations/location-8877/apps/app-8877";
+
+    GenerateAppResourceResponse actualResponse = client.generateAppResourceAsync(parent).get();
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void generateAppResourceExceptionTest2() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      String parent = "projects/project-8877/locations/location-8877/apps/app-8877";
+      client.generateAppResourceAsync(parent).get();
+      Assert.fail("No exception raised");
+    } catch (ExecutionException e) {
+    }
+  }
+
   @Test
   public void listChangelogsTest() throws Exception {
     Changelog responsesElement = Changelog.newBuilder().build();
diff --git a/java-ces/google-cloud-ces/src/test/java/com/google/cloud/ces/v1beta/AgentServiceClientTest.java b/java-ces/google-cloud-ces/src/test/java/com/google/cloud/ces/v1beta/AgentServiceClientTest.java
index 6c73c9bc38e6..0f29038f0e0a 100644
--- a/java-ces/google-cloud-ces/src/test/java/com/google/cloud/ces/v1beta/AgentServiceClientTest.java
+++ b/java-ces/google-cloud-ces/src/test/java/com/google/cloud/ces/v1beta/AgentServiceClientTest.java
@@ -5038,6 +5038,100 @@ public void restoreAppVersionExceptionTest2() throws Exception {
     }
   }
 
+  @Test
+  public void generateAppResourceTest() throws Exception {
+    GenerateAppResourceResponse expectedResponse =
+        GenerateAppResourceResponse.newBuilder()
+            .setGenerateResultInfo(
+                GenerateAppResourceResponse.GenerateResultInfo.newBuilder().build())
+            .build();
+    Operation resultOperation =
+        Operation.newBuilder()
+            .setName("generateAppResourceTest")
+            .setDone(true)
+            .setResponse(Any.pack(expectedResponse))
+            .build();
+    mockAgentService.addResponse(resultOperation);
+
+    AppName parent = AppName.of("[PROJECT]", "[LOCATION]", "[APP]");
+
+    GenerateAppResourceResponse actualResponse = client.generateAppResourceAsync(parent).get();
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockAgentService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    GenerateAppResourceRequest actualRequest = ((GenerateAppResourceRequest) actualRequests.get(0));
+
+    Assert.assertEquals(parent.toString(), actualRequest.getParent());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void generateAppResourceExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockAgentService.addException(exception);
+
+    try {
+      AppName parent = AppName.of("[PROJECT]", "[LOCATION]", "[APP]");
+      client.generateAppResourceAsync(parent).get();
+      Assert.fail("No exception raised");
+    } catch (ExecutionException e) {
+      Assert.assertEquals(InvalidArgumentException.class, e.getCause().getClass());
+      InvalidArgumentException apiException = ((InvalidArgumentException) e.getCause());
+      Assert.assertEquals(StatusCode.Code.INVALID_ARGUMENT, apiException.getStatusCode().getCode());
+    }
+  }
+
+  @Test
+  public void generateAppResourceTest2() throws Exception {
+    GenerateAppResourceResponse expectedResponse =
+        GenerateAppResourceResponse.newBuilder()
+            .setGenerateResultInfo(
+                GenerateAppResourceResponse.GenerateResultInfo.newBuilder().build())
+            .build();
+    Operation resultOperation =
+        Operation.newBuilder()
+            .setName("generateAppResourceTest")
+            .setDone(true)
+            .setResponse(Any.pack(expectedResponse))
+            .build();
+    mockAgentService.addResponse(resultOperation);
+
+    String parent = "parent-995424086";
+
+    GenerateAppResourceResponse actualResponse = client.generateAppResourceAsync(parent).get();
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockAgentService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    GenerateAppResourceRequest actualRequest = ((GenerateAppResourceRequest) actualRequests.get(0));
+
+    Assert.assertEquals(parent, actualRequest.getParent());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void generateAppResourceExceptionTest2() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockAgentService.addException(exception);
+
+    try {
+      String parent = "parent-995424086";
+      client.generateAppResourceAsync(parent).get();
+      Assert.fail("No exception raised");
+    } catch (ExecutionException e) {
+      Assert.assertEquals(InvalidArgumentException.class, e.getCause().getClass());
+      InvalidArgumentException apiException = ((InvalidArgumentException) e.getCause());
+      Assert.assertEquals(StatusCode.Code.INVALID_ARGUMENT, apiException.getStatusCode().getCode());
+    }
+  }
+
   @Test
   public void listChangelogsTest() throws Exception {
     Changelog responsesElement = Changelog.newBuilder().build();
diff --git a/java-ces/google-cloud-ces/src/test/java/com/google/cloud/ces/v1beta/MockAgentServiceImpl.java b/java-ces/google-cloud-ces/src/test/java/com/google/cloud/ces/v1beta/MockAgentServiceImpl.java
index 2dfca5ef812d..0898e91939a1 100644
--- a/java-ces/google-cloud-ces/src/test/java/com/google/cloud/ces/v1beta/MockAgentServiceImpl.java
+++ b/java-ces/google-cloud-ces/src/test/java/com/google/cloud/ces/v1beta/MockAgentServiceImpl.java
@@ -1052,6 +1052,27 @@ public void restoreAppVersion(
     }
   }
 
+  @Override
+  public void generateAppResource(
+      GenerateAppResourceRequest request, StreamObserver<Operation> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof Operation) {
+      requests.add(request);
+      responseObserver.onNext(((Operation) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method GenerateAppResource, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  Operation.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
+
   @Override
   public void listChangelogs(
       ListChangelogsRequest request, StreamObserver<ListChangelogsResponse> responseObserver) {
diff --git a/java-ces/grpc-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentServiceGrpc.java b/java-ces/grpc-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentServiceGrpc.java
index f4e82afb1d31..805a57be01bc 100644
--- a/java-ces/grpc-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentServiceGrpc.java
+++ b/java-ces/grpc-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentServiceGrpc.java
@@ -2112,6 +2112,52 @@ private AgentServiceGrpc() {}
     return getRestoreAppVersionMethod;
   }
 
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest, com.google.longrunning.Operation>
+      getGenerateAppResourceMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "GenerateAppResource",
+      requestType = com.google.cloud.ces.v1beta.GenerateAppResourceRequest.class,
+      responseType = com.google.longrunning.Operation.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest, com.google.longrunning.Operation>
+      getGenerateAppResourceMethod() {
+    io.grpc.MethodDescriptor<
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest,
+            com.google.longrunning.Operation>
+        getGenerateAppResourceMethod;
+    if ((getGenerateAppResourceMethod = AgentServiceGrpc.getGenerateAppResourceMethod) == null) {
+      synchronized (AgentServiceGrpc.class) {
+        if ((getGenerateAppResourceMethod = AgentServiceGrpc.getGenerateAppResourceMethod)
+            == null) {
+          AgentServiceGrpc.getGenerateAppResourceMethod =
+              getGenerateAppResourceMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.cloud.ces.v1beta.GenerateAppResourceRequest,
+                          com.google.longrunning.Operation>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(
+                          generateFullMethodName(SERVICE_NAME, "GenerateAppResource"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                                  .getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.longrunning.Operation.getDefaultInstance()))
+                      .setSchemaDescriptor(
+                          new AgentServiceMethodDescriptorSupplier("GenerateAppResource"))
+                      .build();
+        }
+      }
+    }
+    return getGenerateAppResourceMethod;
+  }
+
   private static volatile io.grpc.MethodDescriptor<
           com.google.cloud.ces.v1beta.ListChangelogsRequest,
           com.google.cloud.ces.v1beta.ListChangelogsResponse>
@@ -2933,6 +2979,20 @@ default void restoreAppVersion(
           getRestoreAppVersionMethod(), responseObserver);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Generates specific resources (e.g. agent) in the app using LLM assistant.
+     * </pre>
+     */
+    default void generateAppResource(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest request,
+        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
+          getGenerateAppResourceMethod(), responseObserver);
+    }
+
     /**
      *
      *
@@ -3748,6 +3808,22 @@ public void restoreAppVersion(
           responseObserver);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Generates specific resources (e.g. agent) in the app using LLM assistant.
+     * </pre>
+     */
+    public void generateAppResource(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest request,
+        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getGenerateAppResourceMethod(), getCallOptions()),
+          request,
+          responseObserver);
+    }
+
     /**
      *
      *
@@ -4439,6 +4515,20 @@ public com.google.longrunning.Operation restoreAppVersion(
           getChannel(), getRestoreAppVersionMethod(), getCallOptions(), request);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Generates specific resources (e.g. agent) in the app using LLM assistant.
+     * </pre>
+     */
+    public com.google.longrunning.Operation generateAppResource(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest request)
+        throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
+          getChannel(), getGenerateAppResourceMethod(), getCallOptions(), request);
+    }
+
     /**
      *
      *
@@ -5112,6 +5202,19 @@ public com.google.longrunning.Operation restoreAppVersion(
           getChannel(), getRestoreAppVersionMethod(), getCallOptions(), request);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Generates specific resources (e.g. agent) in the app using LLM assistant.
+     * </pre>
+     */
+    public com.google.longrunning.Operation generateAppResource(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getGenerateAppResourceMethod(), getCallOptions(), request);
+    }
+
     /**
      *
      *
@@ -5803,6 +5906,19 @@ public com.google.common.util.concurrent.ListenableFuture<com.google.protobuf.Em
           getChannel().newCall(getRestoreAppVersionMethod(), getCallOptions()), request);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Generates specific resources (e.g. agent) in the app using LLM assistant.
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<com.google.longrunning.Operation>
+        generateAppResource(com.google.cloud.ces.v1beta.GenerateAppResourceRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getGenerateAppResourceMethod(), getCallOptions()), request);
+    }
+
     /**
      *
      *
@@ -5879,8 +5995,9 @@ public com.google.common.util.concurrent.ListenableFuture<com.google.protobuf.Em
   private static final int METHODID_CREATE_APP_VERSION = 45;
   private static final int METHODID_DELETE_APP_VERSION = 46;
   private static final int METHODID_RESTORE_APP_VERSION = 47;
-  private static final int METHODID_LIST_CHANGELOGS = 48;
-  private static final int METHODID_GET_CHANGELOG = 49;
+  private static final int METHODID_GENERATE_APP_RESOURCE = 48;
+  private static final int METHODID_LIST_CHANGELOGS = 49;
+  private static final int METHODID_GET_CHANGELOG = 50;
 
   private static final class MethodHandlers<Req, Resp>
       implements io.grpc.stub.ServerCalls.UnaryMethod<Req, Resp>,
@@ -6159,6 +6276,11 @@ public void invoke(Req request, io.grpc.stub.StreamObserver<Resp> responseObserv
               (com.google.cloud.ces.v1beta.RestoreAppVersionRequest) request,
               (io.grpc.stub.StreamObserver<com.google.longrunning.Operation>) responseObserver);
           break;
+        case METHODID_GENERATE_APP_RESOURCE:
+          serviceImpl.generateAppResource(
+              (com.google.cloud.ces.v1beta.GenerateAppResourceRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.longrunning.Operation>) responseObserver);
+          break;
         case METHODID_LIST_CHANGELOGS:
           serviceImpl.listChangelogs(
               (com.google.cloud.ces.v1beta.ListChangelogsRequest) request,
@@ -6486,6 +6608,12 @@ public static final io.grpc.ServerServiceDefinition bindService(AsyncService ser
                 new MethodHandlers<
                     com.google.cloud.ces.v1beta.RestoreAppVersionRequest,
                     com.google.longrunning.Operation>(service, METHODID_RESTORE_APP_VERSION)))
+        .addMethod(
+            getGenerateAppResourceMethod(),
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
+                new MethodHandlers<
+                    com.google.cloud.ces.v1beta.GenerateAppResourceRequest,
+                    com.google.longrunning.Operation>(service, METHODID_GENERATE_APP_RESOURCE)))
         .addMethod(
             getListChangelogsMethod(),
             io.grpc.stub.ServerCalls.asyncUnaryCall(
@@ -6598,6 +6726,7 @@ public static io.grpc.ServiceDescriptor getServiceDescriptor() {
                       .addMethod(getCreateAppVersionMethod())
                       .addMethod(getDeleteAppVersionMethod())
                       .addMethod(getRestoreAppVersionMethod())
+                      .addMethod(getGenerateAppResourceMethod())
                       .addMethod(getListChangelogsMethod())
                       .addMethod(getGetChangelogMethod())
                       .build();
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentServiceProto.java b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentServiceProto.java
index d311f37b67a6..8beb715947a6 100644
--- a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentServiceProto.java
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentServiceProto.java
@@ -284,6 +284,46 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_ces_v1beta_RestoreAppVersionResponse_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_ces_v1beta_RestoreAppVersionResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_RefineInstructions_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_RefineInstructions_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_OperationGenerationConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_OperationGenerationConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_AppGenerationConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_AppGenerationConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationGenerationConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationGenerationConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationPersonasGenerationConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationPersonasGenerationConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_QualityReportGenerationConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_QualityReportGenerationConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_HillClimbingFixConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_HillClimbingFixConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_ces_v1beta_GenerateAppResourceResponse_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
@@ -316,6 +356,10 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_ces_v1beta_QualityReport_AgentIssues_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_ces_v1beta_QualityReport_AgentIssues_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceOperationMetadata_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_ces_v1beta_GenerateAppResourceOperationMetadata_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_ces_v1beta_ListChangelogsRequest_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
@@ -355,12 +399,14 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "ta/app_version.proto\032\'google/cloud/ces/v"
           + "1beta/changelog.proto\032*google/cloud/ces/v1beta/conversation.proto\032(google/cloud/"
           + "ces/v1beta/deployment.proto\032(google/cloud/ces/v1beta/evaluation.proto\032%google/cl"
-          + "oud/ces/v1beta/example.proto\032\'google/clo"
-          + "ud/ces/v1beta/guardrail.proto\032/google/cl"
-          + "oud/ces/v1beta/security_settings.proto\032\""
-          + "google/cloud/ces/v1beta/tool.proto\032%google/cloud/ces/v1beta/toolset.proto\032#googl"
-          + "e/longrunning/operations.proto\032\033google/protobuf/empty.proto\032"
-          + " google/protobuf/field_mask.proto\032\037google/protobuf/timestamp.proto\"\236\001\n"
+          + "oud/ces/v1beta/example.proto\032*google/clo"
+          + "ud/ces/v1beta/file_context.proto\032\'google"
+          + "/cloud/ces/v1beta/guardrail.proto\032/google/cloud/ces/v1beta/security_settings.pro"
+          + "to\032\"google/cloud/ces/v1beta/tool.proto\032%"
+          + "google/cloud/ces/v1beta/toolset.proto\032#g"
+          + "oogle/longrunning/operations.proto\032\033google/protobuf/empty.proto\032"
+          + " google/protobuf"
+          + "/field_mask.proto\032\037google/protobuf/timestamp.proto\032\027google/rpc/status.proto\"\236\001\n"
           + "\017ListAppsRequest\022.\n"
           + "\006parent\030\001 \001("
           + "\tB\036\340A\002\372A\030\022\026ces.googleapis.com/App\022\026\n"
@@ -389,10 +435,9 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\004etag\030\002 \001(\tB\003\340A\001\"\251\002\n"
           + "\020ExportAppRequest\022,\n"
           + "\004name\030\001 \001(\tB\036\340A\002\372A\030\n"
-          + "\026ces.googleapis.com/App\022R\n"
-          + "\r"
-          + "export_format\030\002 \001(\01626.google.cloud.ces."
-          + "v1beta.ExportAppRequest.ExportFormatB\003\340A\002\022\024\n"
+          + "\026ces.googleapis.com/App\022R\n\r"
+          + "export_format\030\002"
+          + " \001(\01626.google.cloud.ces.v1beta.ExportAppRequest.ExportFormatB\003\340A\002\022\024\n"
           + "\007gcs_uri\030\003 \001(\tB\003\340A\001\022:\n"
           + "\013app_version\030\004 \001(\tB%\340A\001\372A\037\n"
           + "\035ces.googleapis.com/AppVersion\"A\n"
@@ -411,16 +456,16 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\tB\036\340A\002\372A\030\022\026ces.googleapis.com/App\022\031\n"
           + "\014display_name\030\002 \001(\tB\003\340A\001\022\023\n"
           + "\006app_id\030\003 \001(\tB\003\340A\001\022T\n"
-          + "\016import_options\030\006 "
-          + "\001(\01327.google.cloud.ces.v1beta.ImportAppRequest.ImportOptionsB\003\340A\001\022\034\n"
+          + "\016import_options\030\006 \001(\01327.googl"
+          + "e.cloud.ces.v1beta.ImportAppRequest.ImportOptionsB\003\340A\001\022\034\n"
           + "\017ignore_app_lock\030\007 \001(\010B\003\340A\001\032\366\001\n\r"
           + "ImportOptions\022}\n"
-          + "\034conflict_resolution_strategy\030\001 \001(\0162R.google"
-          + ".cloud.ces.v1beta.ImportAppRequest.Impor"
-          + "tOptions.ConflictResolutionStrategyB\003\340A\001\"f\n"
+          + "\034conflict_resolution_strategy\030\001 \001(\0162R.google.cloud.ces."
+          + "v1beta.ImportAppRequest.ImportOptions.ConflictResolutionStrategyB\003\340A\001\"f\n"
           + "\032ConflictResolutionStrategy\022,\n"
           + "(CONFLICT_RESOLUTION_STRATEGY_UNSPECIFIED\020\000\022\013\n"
-          + "\007REPLACE\020\001\022\r\n"
+          + "\007REPLACE\020\001\022\r"
+          + "\n"
           + "\tOVERWRITE\020\002B\005\n"
           + "\003app\"P\n"
           + "\021ImportAppResponse\022)\n"
@@ -475,8 +520,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\006parent\030\001 \001("
           + "\tB\"\340A\002\372A\034\022\032ces.googleapis.com/Example\022\027\n\n"
           + "example_id\030\002 \001(\tB\003\340A\001\0226\n"
-          + "\007example\030\003 \001(\0132 "
-          + ".google.cloud.ces.v1beta.ExampleB\003\340A\002\"\204\001\n"
+          + "\007example\030\003 \001(\0132"
+          + " .google.cloud.ces.v1beta.ExampleB\003\340A\002\"\204\001\n"
           + "\024UpdateExampleRequest\0226\n"
           + "\007example\030\001 \001(\0132 .google.cloud.ces.v1beta.ExampleB\003\340A\002\0224\n"
           + "\013update_mask\030\002 \001(\0132\032.google.protobuf.FieldMaskB\003\340A\001\"[\n"
@@ -516,18 +561,18 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\tpage_size\030\002 \001(\005B\003\340A\001\022\027\n\n"
           + "page_token\030\003 \001(\tB\003\340A\001\022\023\n"
           + "\006filter\030\004 \001(\tB\003\340A\001\022A\n"
-          + "\006source\030\005"
-          + " \001(\0162,.google.cloud.ces.v1beta.Conversation.SourceB\003\340A\001\022B\n"
-          + "\007sources\030\006 \003(\016"
-          + "2,.google.cloud.ces.v1beta.Conversation.SourceB\003\340A\001\"r\n"
+          + "\006source\030\005 \001("
+          + "\0162,.google.cloud.ces.v1beta.Conversation.SourceB\003\340A\001\022B\n"
+          + "\007sources\030\006 \003(\0162,.google.c"
+          + "loud.ces.v1beta.Conversation.SourceB\003\340A\001\"r\n"
           + "\031ListConversationsResponse\022<\n\r"
           + "conversations\030\001 \003(\0132%.google.cloud.ces.v1beta.Conversation\022\027\n"
           + "\017next_page_token\030\002 \001(\t\"\224\001\n"
           + "\026GetConversationRequest\0225\n"
           + "\004name\030\001 \001(\tB\'\340A\002\372A!\n"
           + "\037ces.googleapis.com/Conversation\022C\n"
-          + "\006source\030\002 \001(\0162,.google.cloud"
-          + ".ces.v1beta.Conversation.SourceB\005\030\001\340A\001\"\227\001\n"
+          + "\006source\030\002"
+          + " \001(\0162,.google.cloud.ces.v1beta.Conversation.SourceB\005\030\001\340A\001\"\227\001\n"
           + "\031DeleteConversationRequest\0225\n"
           + "\004name\030\001 \001(\tB\'\340A\002\372A!\n"
           + "\037ces.googleapis.com/Conversation\022C\n"
@@ -559,8 +604,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\006parent\030\001 \001("
           + "\tB$\340A\002\372A\036\022\034ces.googleapis.com/Guardrail\022\031\n"
           + "\014guardrail_id\030\002 \001(\tB\003\340A\001\022:\n"
-          + "\tguardrail\030\003 \001(\0132\"."
-          + "google.cloud.ces.v1beta.GuardrailB\003\340A\002\"\212\001\n"
+          + "\tguardrail\030\003"
+          + " \001(\0132\".google.cloud.ces.v1beta.GuardrailB\003\340A\002\"\212\001\n"
           + "\026UpdateGuardrailRequest\022:\n"
           + "\tguardrail\030\001"
           + " \001(\0132\".google.cloud.ces.v1beta.GuardrailB\003\340A\002\0224\n"
@@ -586,8 +631,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\006parent\030\001 \001("
           + "\tB%\340A\002\372A\037\022\035ces.googleapis.com/Deployment\022\032\n\r"
           + "deployment_id\030\003 \001(\tB\003\340A\001\022<\n\n"
-          + "deployment\030\002"
-          + " \001(\0132#.google.cloud.ces.v1beta.DeploymentB\003\340A\002\"\215\001\n"
+          + "deployment\030\002 \001(\0132#."
+          + "google.cloud.ces.v1beta.DeploymentB\003\340A\002\"\215\001\n"
           + "\027UpdateDeploymentRequest\022<\n\n"
           + "deployment\030\001 \001(\0132#.google.cloud.ces.v1beta.DeploymentB\003\340A\002\0224\n"
           + "\013update_mask\030\002 \001(\0132\032.google.protobuf.FieldMaskB\003\340A\001\"a\n"
@@ -648,21 +693,84 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\030RestoreAppVersionRequest\0223\n"
           + "\004name\030\001 \001(\tB%\340A\002\372A\037\n"
           + "\035ces.googleapis.com/AppVersion\"\033\n"
-          + "\031RestoreAppVersionResponse\"\264\007\n"
+          + "\031RestoreAppVersionResponse\"\375\022\n"
+          + "\032GenerateAppResourceRequest\022/\n"
+          + "\005agent\030\002 \001(\0132\036.google.cloud.ces.v1beta.AgentH\000\022-\n"
+          + "\004tool\030\004 \001(\0132\035.google.cloud.ces.v1beta.ToolH\000\0223\n"
+          + "\007toolset\030\006 \001(\0132 .google.cloud.ces.v1beta.ToolsetH\000\022.\n"
+          + "\006parent\030\001 \001(\tB\036\340A\002\372A\030\n"
+          + "\026ces.googleapis.com/App\022h\n"
+          + "\023refine_instructions\030\003 \003(\0132F.goog"
+          + "le.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructionsB\003\340A\001\022m\n"
+          + "\026tool_generation_config\030\005 \001(\0132H.google.cloud.ce"
+          + "s.v1beta.GenerateAppResourceRequest.ToolGenerationConfigB\003\340A\001\022k\n"
+          + "\025app_generation_config\030\007 \001(\0132G.google.cloud.ces.v1beta.G"
+          + "enerateAppResourceRequest.AppGenerationConfigB\003\340A\001\022y\n"
+          + "\034evaluation_generation_config\030\010 \001(\0132N.google.cloud.ces.v1beta.Gener"
+          + "ateAppResourceRequest.EvaluationGenerationConfigB\003\340A\001\022\212\001\n"
+          + "%evaluation_personas_generation_config\030\t \001(\0132V.google.cloud.ces"
+          + ".v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfigB\003\340A\001\022\200\001\n"
+          + " quality_report_generation_config\030\n"
+          + " \001(\0132Q.google.cloud.ces.v1beta.GenerateAppResou"
+          + "rceRequest.QualityReportGenerationConfigB\003\340A\001\022p\n"
+          + "\030hill_climbing_fix_config\030\013 \001(\0132"
+          + "I.google.cloud.ces.v1beta.GenerateAppRes"
+          + "ourceRequest.HillClimbingFixConfigB\003\340A\001\032\226\001\n"
+          + "\022RefineInstructions\022\030\n"
+          + "\013start_index\030\001 \001(\003B\003\340A\002\022\026\n"
+          + "\tend_index\030\002 \001(\003B\003\340A\002\0223\n\n"
+          + "field_mask\030\003 \001(\0132\032.google.protobuf.FieldMaskB\003\340A\002\022\031\n"
+          + "\014instructions\030\004 \001(\tB\003\340A\002\032\352\004\n"
+          + "\024ToolGenerationConfig\022\024\n"
+          + "\007context\030\001 \001(\tB\003\340A\001\022@\n\r"
+          + "file_contexts\030\003"
+          + " \003(\0132$.google.cloud.ces.v1beta.FileContextB\003\340A\001\022\230\001\n"
+          + "\"open_api_toolset_generation_config\030\002 \001(\0132g.google."
+          + "cloud.ces.v1beta.GenerateAppResourceRequ"
+          + "est.ToolGenerationConfig.OpenApiToolsetGenerationConfigB\003\340A\001\032\336\002\n"
+          + "\036OpenApiToolsetGenerationConfig\022\020\n"
+          + "\003uri\030\001 \001(\tB\003\340A\002\022\255\001\n"
+          + "\034operation_generation_configs\030\002 \003(\0132\201\001.goog"
+          + "le.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiTools"
+          + "etGenerationConfig.OperationGenerationConfigB\003\340A\002\032z\n"
+          + "\031OperationGenerationConfig\022\023\n"
+          + "\006method\030\001 \001(\tB\003\340A\002\022\021\n"
+          + "\004path\030\002 \001(\tB\003\340A\002\022\031\n"
+          + "\014request_json\030\003 \001(\tB\003\340A\002\022\032\n\r"
+          + "response_json\030\004 \001(\tB\003\340A\002\032\365\001\n"
+          + "\023AppGenerationConfig\022\024\n"
+          + "\007context\030\001 \001(\tB\003\340A\001\022@\n\r"
+          + "file_contexts\030\002 \003"
+          + "(\0132$.google.cloud.ces.v1beta.FileContextB\003\340A\001\022H\n\n"
+          + "dataset_id\030\003 \001(\tB4\340A\001\372A.\n"
+          + ",contactcenterinsights.googleapis.com/Dataset\022!\n"
+          + "\024generate_evaluations\030\004 \001(\010B\003\340A\001\022\031\n"
+          + "\014gcs_location\030\005 \001(\tB\003\340A\001\032f\n"
+          + "\032EvaluationGenerationConfig\022H\n\n"
+          + "dataset_id\030\001 \001(\tB4\340A\001\372A.\n"
+          + ",contactcenterinsights.googleapis.com/Dataset\032$\n"
+          + "\"EvaluationPersonasGenerationConfig\032a\n"
+          + "\035QualityReportGenerationConfig\022@\n"
+          + "\016evaluation_run\030\001 \001(\tB(\340A\002\372A\"\n"
+          + " ces.googleapis.com/EvaluationRun\032\\\n"
+          + "\025HillClimbingFixConfig\022C\n"
+          + "\016quality_report\030\001"
+          + " \001(\0132&.google.cloud.ces.v1beta.QualityReportB\003\340A\002B\n\n"
+          + "\010resource\"\264\007\n"
           + "\033GenerateAppResourceResponse\022/\n"
           + "\005agent\030\001 \001(\0132\036.google.cloud.ces.v1beta.AgentH\000\0223\n"
           + "\007toolset\030\003 \001(\0132 .google.cloud.ces.v1beta.ToolsetH\000\022<\n"
           + "\014app_snapshot\030\004 \001(\0132$.google.cloud.ces.v1beta.AppSnapshotH\000\022K\n"
-          + "\005tools\030\005 \001(\0132:"
-          + ".google.cloud.ces.v1beta.GenerateAppResourceResponse.ToolsH\000\022W\n"
-          + "\013evaluations\030\006 \001("
-          + "\0132@.google.cloud.ces.v1beta.GenerateAppResourceResponse.EvaluationsH\000\022Z\n\r"
-          + "app_resources\030\007 \001(\0132A.google.cloud.ces.v1beta.G"
-          + "enerateAppResourceResponse.AppResourcesH\000\022@\n"
+          + "\005tools\030\005 \001(\0132:.google.cloud.ces.v"
+          + "1beta.GenerateAppResourceResponse.ToolsH\000\022W\n"
+          + "\013evaluations\030\006 \001(\0132@.google.cloud.ce"
+          + "s.v1beta.GenerateAppResourceResponse.EvaluationsH\000\022Z\n\r"
+          + "app_resources\030\007 \001(\0132A.goog"
+          + "le.cloud.ces.v1beta.GenerateAppResourceResponse.AppResourcesH\000\022@\n"
           + "\016quality_report\030\010"
           + " \001(\0132&.google.cloud.ces.v1beta.QualityReportH\000\022e\n"
-          + "\024generate_result_info\030\002 \001(\0132G.google.cloud.ces.v1b"
-          + "eta.GenerateAppResourceResponse.GenerateResultInfo\032G\n"
+          + "\024generate_result_info\030\002 \001(\0132G"
+          + ".google.cloud.ces.v1beta.GenerateAppResourceResponse.GenerateResultInfo\032G\n"
           + "\013Evaluations\0228\n"
           + "\013evaluations\030\001 \003(\0132#.google.cloud.ces.v1beta.Evaluation\0325\n"
           + "\005Tools\022,\n"
@@ -674,19 +782,38 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\013explanation\030\001 \001(\tB\024\n"
           + "\022generated_resource\"\211\003\n\r"
           + "QualityReport\022G\n"
-          + "\006issues\030\001"
-          + " \003(\01322.google.cloud.ces.v1beta.QualityReport.AgentIssuesB\003\340A\001\022\034\n"
+          + "\006issues\030\001 \003(\01322.goog"
+          + "le.cloud.ces.v1beta.QualityReport.AgentIssuesB\003\340A\001\022\034\n"
           + "\017evaluation_runs\030\002 \003(\tB\003\340A\001\022I\n"
-          + "\016general_issues\030\003 "
-          + "\003(\0132,.google.cloud.ces.v1beta.QualityReport.IssueB\003\340A\001\032`\n"
+          + "\016general_issues\030\003"
+          + " \003(\0132,.google.cloud.ces.v1beta.QualityReport.IssueB\003\340A\001\032`\n"
           + "\005Issue\022\030\n"
           + "\013description\030\001 \001(\tB\003\340A\001\022\035\n"
           + "\020occurrence_count\030\002 \001(\005B\003\340A\001\022\036\n"
           + "\021proposed_solution\030\003 \001(\tB\003\340A\001\032d\n"
           + "\013AgentIssues\022\022\n"
           + "\005agent\030\001 \001(\tB\003\340A\001\022A\n"
-          + "\006issues\030\002 "
-          + "\003(\0132,.google.cloud.ces.v1beta.QualityReport.IssueB\003\340A\001\"\252\001\n"
+          + "\006issues\030\002"
+          + " \003(\0132,.google.cloud.ces.v1beta.QualityReport.IssueB\003\340A\001\"\353\004\n"
+          + "$GenerateAppResourceOperationMetadata\022j\n"
+          + "\017generation_type\030\001 \001(\0162L.google.cloud.ces"
+          + ".v1beta.GenerateAppResourceOperationMetadata.GenerationTypeB\003\340A\003\022\024\n"
+          + "\007message\030\002 \001(\tB\003\340A\003\0224\n"
+          + "\013create_time\030\003 \001(\0132\032.google.protobuf.TimestampB\003\340A\003\0221\n"
+          + "\010end_time\030\004 \001(\0132\032.google.protobuf.TimestampB\003\340A\003\022\023\n"
+          + "\006target\030\005 \001(\tB\003\340A\003\022/\n"
+          + "\016partial_errors\030\006 \003(\0132\022.google.rpc.StatusB\003\340A\003\"\221\002\n"
+          + "\016GenerationType\022\037\n"
+          + "\033GENERATION_TYPE_UNSPECIFIED\020\000\022\025\n"
+          + "\021AGENT_RESTRUCTURE\020\001\022\020\n"
+          + "\014AGENT_REFINE\020\002\022\020\n"
+          + "\014AGENT_CREATE\020\003\022\017\n"
+          + "\013TOOL_CREATE\020\004\022\023\n"
+          + "\017SCENARIO_CREATE\020\005\022$\n"
+          + " SCENARIO_CREATE_FROM_TRANSCRIPTS\020\007\022\035\n"
+          + "\031EVALUATION_PERSONA_CREATE\020\006\022\031\n"
+          + "\025QUALITY_REPORT_CREATE\020\010\022\035\n"
+          + "\031INSTRUCTION_FOLLOWING_FIX\020\t\"\252\001\n"
           + "\025ListChangelogsRequest\0224\n"
           + "\006parent\030\001 \001("
           + "\tB$\340A\002\372A\036\022\034ces.googleapis.com/Changelog\022\026\n"
@@ -704,231 +831,254 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\004name\030\001 \001(\tB+\340A\002\372A%\n"
           + "#ces.googleapis.com/SecuritySettings\"\240\001\n"
           + "\035UpdateSecuritySettingsRequest\022I\n"
-          + "\021security_settings\030\001 \001(\0132"
-          + ").google.cloud.ces.v1beta.SecuritySettingsB\003\340A\002\0224\n"
-          + "\013update_mask\030\002 \001(\0132\032.google.protobuf.FieldMaskB\003\340A\0012\313K\n"
+          + "\021security_settings\030\001 \001"
+          + "(\0132).google.cloud.ces.v1beta.SecuritySettingsB\003\340A\002\0224\n"
+          + "\013update_mask\030\002 \001(\0132\032.google.protobuf.FieldMaskB\003\340A\0012\326M\n"
           + "\014AgentService\022\236\001\n"
-          + "\010ListApps\022(.google.cloud.ces.v1beta.Li"
-          + "stAppsRequest\032).google.cloud.ces.v1beta."
-          + "ListAppsResponse\"=\332A\006parent\202\323\344\223\002.\022,/v1be"
-          + "ta/{parent=projects/*/locations/*}/apps\022\213\001\n"
-          + "\006GetApp\022&.google.cloud.ces.v1beta.Get"
-          + "AppRequest\032\034.google.cloud.ces.v1beta.App"
-          + "\";\332A\004name\202\323\344\223\002.\022,/v1beta/{name=projects/*/locations/*/apps/*}\022\314\001\n"
-          + "\tCreateApp\022).go"
-          + "ogle.cloud.ces.v1beta.CreateAppRequest\032\035.google.longrunning.Operation\"u\312A\030\n"
+          + "\010ListApps\022(.google.cloud.ces.v1beta.ListAppsRequest\032).google.cloud.ces.v1be"
+          + "ta.ListAppsResponse\"=\332A\006parent\202\323\344\223\002.\022,/v"
+          + "1beta/{parent=projects/*/locations/*}/apps\022\213\001\n"
+          + "\006GetApp\022&.google.cloud.ces.v1beta.GetAppRequest\032\034.google.cloud.ces.v1beta."
+          + "App\";\332A\004name\202\323\344\223\002.\022,/v1beta/{name=projects/*/locations/*/apps/*}\022\314\001\n"
+          + "\tCreateApp\022)"
+          + ".google.cloud.ces.v1beta.CreateAppRequest\032\035.google.longrunning.Operation\"u\312A\030\n"
           + "\003App\022\021OperationMetadata\332A\021parent,app,app_id\332A\n"
           + "parent,app\202\323\344\223\0023\",/v1beta/{parent=projects/*/locations/*}/apps:\003app\022\245\001\n"
-          + "\tUpdateApp\022).google.cloud.ces.v1beta.UpdateAppRe"
-          + "quest\032\034.google.cloud.ces.v1beta.App\"O\332A\017"
-          + "app,update_mask\202\323\344\223\002720/v1beta/{app.name=projects/*/locations/*/apps/*}:\003app\022\277\001\n"
-          + "\tDeleteApp\022).google.cloud.ces.v1beta.Del"
-          + "eteAppRequest\032\035.google.longrunning.Operation\"h\312A*\n"
-          + "\025google.protobuf.Empty\022\021Operat"
-          + "ionMetadata\332A\004name\202\323\344\223\002.*,/v1beta/{name=projects/*/locations/*/apps/*}\022\310\001\n"
-          + "\tExportApp\022).google.cloud.ces.v1beta.ExportApp"
-          + "Request\032\035.google.longrunning.Operation\"q\312A&\n"
-          + "\021ExportAppResponse\022\021OperationMetadat"
-          + "a\332A\004name\202\323\344\223\002;\"6/v1beta/{name=projects/*/locations/*/apps/*}:exportApp:\001*\022\337\001\n"
-          + "\tImportApp\022).google.cloud.ces.v1beta.Import"
-          + "AppRequest\032\035.google.longrunning.Operation\"\207\001\312A&\n"
-          + "\021ImportAppResponse\022\021OperationMet"
-          + "adata\332A\032parent,display_name,app_id\202\323\344\223\002;"
-          + "\"6/v1beta/{parent=projects/*/locations/*}/apps:importApp:\001*\022\274\001\n"
-          + "\023GetSecuritySettings\0223.google.cloud.ces.v1beta.GetSecurit"
+          + "\tUpdateApp\022).google.cloud.ces.v1beta.UpdateAp"
+          + "pRequest\032\034.google.cloud.ces.v1beta.App\"O"
+          + "\332A\017app,update_mask\202\323\344\223\002720/v1beta/{app.n"
+          + "ame=projects/*/locations/*/apps/*}:\003app\022\277\001\n"
+          + "\tDeleteApp\022).google.cloud.ces.v1beta."
+          + "DeleteAppRequest\032\035.google.longrunning.Operation\"h\312A*\n"
+          + "\025google.protobuf.Empty\022\021Ope"
+          + "rationMetadata\332A\004name\202\323\344\223\002.*,/v1beta/{name=projects/*/locations/*/apps/*}\022\310\001\n"
+          + "\tExportApp\022).google.cloud.ces.v1beta.Export"
+          + "AppRequest\032\035.google.longrunning.Operation\"q\312A&\n"
+          + "\021ExportAppResponse\022\021OperationMeta"
+          + "data\332A\004name\202\323\344\223\002;\"6/v1beta/{name=projects/*/locations/*/apps/*}:exportApp:\001*\022\337\001\n"
+          + "\tImportApp\022).google.cloud.ces.v1beta.Imp"
+          + "ortAppRequest\032\035.google.longrunning.Operation\"\207\001\312A&\n"
+          + "\021ImportAppResponse\022\021Operation"
+          + "Metadata\332A\032parent,display_name,app_id\202\323\344"
+          + "\223\002;\"6/v1beta/{parent=projects/*/locations/*}/apps:importApp:\001*\022\274\001\n"
+          + "\023GetSecuritySettings\0223.google.cloud.ces.v1beta.GetSecu"
+          + "ritySettingsRequest\032).google.cloud.ces.v"
+          + "1beta.SecuritySettings\"E\332A\004name\202\323\344\223\0028\0226/"
+          + "v1beta/{name=projects/*/locations/*/securitySettings}\022\201\002\n"
+          + "\026UpdateSecuritySettings\0226.google.cloud.ces.v1beta.UpdateSecurit"
           + "ySettingsRequest\032).google.cloud.ces.v1be"
-          + "ta.SecuritySettings\"E\332A\004name\202\323\344\223\0028\0226/v1b"
-          + "eta/{name=projects/*/locations/*/securitySettings}\022\201\002\n"
-          + "\026UpdateSecuritySettings\0226.google.cloud.ces.v1beta.UpdateSecuritySe"
-          + "ttingsRequest\032).google.cloud.ces.v1beta."
-          + "SecuritySettings\"\203\001\332A\035security_settings,"
-          + "update_mask\202\323\344\223\002]2H/v1beta/{security_set"
-          + "tings.name=projects/*/locations/*/securitySettings}:\021security_settings\022\255\001\n\n"
-          + "ListAgents\022*.google.cloud.ces.v1beta.ListAgen"
-          + "tsRequest\032+.google.cloud.ces.v1beta.List"
-          + "AgentsResponse\"F\332A\006parent\202\323\344\223\0027\0225/v1beta"
-          + "/{parent=projects/*/locations/*/apps/*}/agents\022\232\001\n"
-          + "\010GetAgent\022(.google.cloud.ces.v1beta.GetAgentRequest\032\036.google.cloud.ces"
-          + ".v1beta.Agent\"D\332A\004name\202\323\344\223\0027\0225/v1beta/{n"
-          + "ame=projects/*/locations/*/apps/*/agents/*}\022\307\001\n"
-          + "\013CreateAgent\022+.google.cloud.ces.v1beta.CreateAgentRequest\032\036.google.cloud."
-          + "ces.v1beta.Agent\"k\332A\025parent,agent,agent_"
-          + "id\332A\014parent,agent\202\323\344\223\002>\"5/v1beta/{parent"
-          + "=projects/*/locations/*/apps/*}/agents:\005agent\022\272\001\n"
-          + "\013UpdateAgent\022+.google.cloud.ces.v1beta.UpdateAgentRequest\032\036.google.clou"
-          + "d.ces.v1beta.Agent\"^\332A\021agent,update_mask"
-          + "\202\323\344\223\002D2;/v1beta/{agent.name=projects/*/locations/*/apps/*/agents/*}:\005agent\022\230\001\n"
-          + "\013DeleteAgent\022+.google.cloud.ces.v1beta.Del"
-          + "eteAgentRequest\032\026.google.protobuf.Empty\""
-          + "D\332A\004name\202\323\344\223\0027*5/v1beta/{name=projects/*/locations/*/apps/*/agents/*}\022\265\001\n"
-          + "\014ListExamples\022,.google.cloud.ces.v1beta.ListExa"
-          + "mplesRequest\032-.google.cloud.ces.v1beta.L"
-          + "istExamplesResponse\"H\332A\006parent\202\323\344\223\0029\0227/v"
-          + "1beta/{parent=projects/*/locations/*/apps/*}/examples\022\242\001\n\n"
-          + "GetExample\022*.google.cloud.ces.v1beta.GetExampleRequest\032 .googl"
-          + "e.cloud.ces.v1beta.Example\"F\332A\004name\202\323\344\223\002"
-          + "9\0227/v1beta/{name=projects/*/locations/*/apps/*/examples/*}\022\327\001\n\r"
-          + "CreateExample\022-.google.cloud.ces.v1beta.CreateExampleRequest\032"
-          + " .google.cloud.ces.v1beta.Example\"u\332"
-          + "A\031parent,example,example_id\332A\016parent,exa"
-          + "mple\202\323\344\223\002B\"7/v1beta/{parent=projects/*/locations/*/apps/*}/examples:\007example\022\310\001\n"
-          + "\r"
-          + "UpdateExample\022-.google.cloud.ces.v1beta.UpdateExampleRequest\032 .google.cloud.ces"
-          + ".v1beta.Example\"f\332A\023example,update_mask\202"
-          + "\323\344\223\002J2?/v1beta/{example.name=projects/*/"
-          + "locations/*/apps/*/examples/*}:\007example\022\236\001\n\r"
-          + "DeleteExample\022-.google.cloud.ces.v1beta.DeleteExampleRequest\032\026.google.protob"
-          + "uf.Empty\"F\332A\004name\202\323\344\223\0029*7/v1beta/{name=p"
-          + "rojects/*/locations/*/apps/*/examples/*}\022\251\001\n"
-          + "\tListTools\022).google.cloud.ces.v1beta.ListToolsRequest\032*.google.cloud.ces.v1b"
-          + "eta.ListToolsResponse\"E\332A\006parent\202\323\344\223\0026\0224"
-          + "/v1beta/{parent=projects/*/locations/*/apps/*}/tools\022\226\001\n"
-          + "\007GetTool\022\'.google.cloud.ces.v1beta.GetToolRequest\032\035.google.cloud"
-          + ".ces.v1beta.Tool\"C\332A\004name\202\323\344\223\0026\0224/v1beta"
-          + "/{name=projects/*/locations/*/apps/*/tools/*}\022\311\001\n"
-          + "\021ListConversations\0221.google.cloud.ces.v1beta.ListConversationsRequest\0322"
-          + ".google.cloud.ces.v1beta.ListConversatio"
-          + "nsResponse\"M\332A\006parent\202\323\344\223\002>\022</v1beta/{pa"
-          + "rent=projects/*/locations/*/apps/*}/conversations\022\266\001\n"
-          + "\017GetConversation\022/.google.cloud.ces.v1beta.GetConversationRequest\032%"
-          + ".google.cloud.ces.v1beta.Conversation\"K\332"
-          + "A\004name\202\323\344\223\002>\022</v1beta/{name=projects/*/locations/*/apps/*/conversations/*}\022\255\001\n"
-          + "\022DeleteConversation\0222.google.cloud.ces.v1b"
-          + "eta.DeleteConversationRequest\032\026.google.p"
-          + "rotobuf.Empty\"K\332A\004name\202\323\344\223\002>*</v1beta/{n"
-          + "ame=projects/*/locations/*/apps/*/conversations/*}\022\212\002\n"
-          + "\030BatchDeleteConversations\0228.google.cloud.ces.v1beta.BatchDeleteCon"
-          + "versationsRequest\032\035.google.longrunning.Operation\"\224\001\312A5\n"
-          + " BatchDeleteConversations"
-          + "Response\022\021OperationMetadata\332A\006parent\202\323\344\223"
-          + "\002M\"H/v1beta/{parent=projects/*/locations"
-          + "/*/apps/*}/conversations:batchDelete:\001*\022\277\001\n\n"
-          + "CreateTool\022*.google.cloud.ces.v1beta.CreateToolRequest\032\035.google.cloud.ces.v1"
-          + "beta.Tool\"f\332A\023parent,tool,tool_id\332A\013pare"
-          + "nt,tool\202\323\344\223\002<\"4/v1beta/{parent=projects/*/locations/*/apps/*}/tools:\004tool\022\263\001\n\n"
-          + "UpdateTool\022*.google.cloud.ces.v1beta.Updat"
-          + "eToolRequest\032\035.google.cloud.ces.v1beta.T"
-          + "ool\"Z\332A\020tool,update_mask\202\323\344\223\002A29/v1beta/"
-          + "{tool.name=projects/*/locations/*/apps/*/tools/*}:\004tool\022\225\001\n\n"
-          + "DeleteTool\022*.google.cloud.ces.v1beta.DeleteToolRequest\032\026.goo"
-          + "gle.protobuf.Empty\"C\332A\004name\202\323\344\223\0026*4/v1be",
-      "ta/{name=projects/*/locations/*/apps/*/t"
-          + "ools/*}\022\275\001\n\016ListGuardrails\022..google.clou"
-          + "d.ces.v1beta.ListGuardrailsRequest\032/.goo"
-          + "gle.cloud.ces.v1beta.ListGuardrailsRespo"
-          + "nse\"J\332A\006parent\202\323\344\223\002;\0229/v1beta/{parent=pr"
-          + "ojects/*/locations/*/apps/*}/guardrails\022"
-          + "\252\001\n\014GetGuardrail\022,.google.cloud.ces.v1be"
-          + "ta.GetGuardrailRequest\032\".google.cloud.ce"
-          + "s.v1beta.Guardrail\"H\332A\004name\202\323\344\223\002;\0229/v1be"
-          + "ta/{name=projects/*/locations/*/apps/*/g"
-          + "uardrails/*}\022\347\001\n\017CreateGuardrail\022/.googl"
-          + "e.cloud.ces.v1beta.CreateGuardrailReques"
-          + "t\032\".google.cloud.ces.v1beta.Guardrail\"\177\332"
-          + "A\035parent,guardrail,guardrail_id\332A\020parent"
-          + ",guardrail\202\323\344\223\002F\"9/v1beta/{parent=projec"
-          + "ts/*/locations/*/apps/*}/guardrails:\tgua"
-          + "rdrail\022\326\001\n\017UpdateGuardrail\022/.google.clou"
-          + "d.ces.v1beta.UpdateGuardrailRequest\032\".go"
-          + "ogle.cloud.ces.v1beta.Guardrail\"n\332A\025guar"
-          + "drail,update_mask\202\323\344\223\002P2C/v1beta/{guardr"
-          + "ail.name=projects/*/locations/*/apps/*/g"
-          + "uardrails/*}:\tguardrail\022\244\001\n\017DeleteGuardr"
-          + "ail\022/.google.cloud.ces.v1beta.DeleteGuar"
-          + "drailRequest\032\026.google.protobuf.Empty\"H\332A"
-          + "\004name\202\323\344\223\002;*9/v1beta/{name=projects/*/lo"
-          + "cations/*/apps/*/guardrails/*}\022\301\001\n\017ListD"
-          + "eployments\022/.google.cloud.ces.v1beta.Lis"
-          + "tDeploymentsRequest\0320.google.cloud.ces.v"
-          + "1beta.ListDeploymentsResponse\"K\332A\006parent"
-          + "\202\323\344\223\002<\022:/v1beta/{parent=projects/*/locat"
-          + "ions/*/apps/*}/deployments\022\256\001\n\rGetDeploy"
-          + "ment\022-.google.cloud.ces.v1beta.GetDeploy"
-          + "mentRequest\032#.google.cloud.ces.v1beta.De"
-          + "ployment\"I\332A\004name\202\323\344\223\002<\022:/v1beta/{name=p"
-          + "rojects/*/locations/*/apps/*/deployments"
-          + "/*}\022\360\001\n\020CreateDeployment\0220.google.cloud."
-          + "ces.v1beta.CreateDeploymentRequest\032#.goo"
-          + "gle.cloud.ces.v1beta.Deployment\"\204\001\332A\037par"
-          + "ent,deployment,deployment_id\332A\021parent,de"
-          + "ployment\202\323\344\223\002H\":/v1beta/{parent=projects"
-          + "/*/locations/*/apps/*}/deployments:\ndepl"
-          + "oyment\022\335\001\n\020UpdateDeployment\0220.google.clo"
-          + "ud.ces.v1beta.UpdateDeploymentRequest\032#."
-          + "google.cloud.ces.v1beta.Deployment\"r\332A\026d"
-          + "eployment,update_mask\202\323\344\223\002S2E/v1beta/{de"
-          + "ployment.name=projects/*/locations/*/app"
-          + "s/*/deployments/*}:\ndeployment\022\247\001\n\020Delet"
-          + "eDeployment\0220.google.cloud.ces.v1beta.De"
-          + "leteDeploymentRequest\032\026.google.protobuf."
-          + "Empty\"I\332A\004name\202\323\344\223\002<*:/v1beta/{name=proj"
-          + "ects/*/locations/*/apps/*/deployments/*}"
-          + "\022\265\001\n\014ListToolsets\022,.google.cloud.ces.v1b"
-          + "eta.ListToolsetsRequest\032-.google.cloud.c"
-          + "es.v1beta.ListToolsetsResponse\"H\332A\006paren"
-          + "t\202\323\344\223\0029\0227/v1beta/{parent=projects/*/loca"
-          + "tions/*/apps/*}/toolsets\022\242\001\n\nGetToolset\022"
-          + "*.google.cloud.ces.v1beta.GetToolsetRequ"
-          + "est\032 .google.cloud.ces.v1beta.Toolset\"F\332"
-          + "A\004name\202\323\344\223\0029\0227/v1beta/{name=projects/*/l"
-          + "ocations/*/apps/*/toolsets/*}\022\327\001\n\rCreate"
-          + "Toolset\022-.google.cloud.ces.v1beta.Create"
-          + "ToolsetRequest\032 .google.cloud.ces.v1beta"
-          + ".Toolset\"u\332A\031parent,toolset,toolset_id\332A"
-          + "\016parent,toolset\202\323\344\223\002B\"7/v1beta/{parent=p"
-          + "rojects/*/locations/*/apps/*}/toolsets:\007"
-          + "toolset\022\310\001\n\rUpdateToolset\022-.google.cloud"
-          + ".ces.v1beta.UpdateToolsetRequest\032 .googl"
-          + "e.cloud.ces.v1beta.Toolset\"f\332A\023toolset,u"
-          + "pdate_mask\202\323\344\223\002J2?/v1beta/{toolset.name="
-          + "projects/*/locations/*/apps/*/toolsets/*"
-          + "}:\007toolset\022\236\001\n\rDeleteToolset\022-.google.cl"
-          + "oud.ces.v1beta.DeleteToolsetRequest\032\026.go"
-          + "ogle.protobuf.Empty\"F\332A\004name\202\323\344\223\0029*7/v1b"
+          + "ta.SecuritySettings\"\203\001\332A\035security_settin"
+          + "gs,update_mask\202\323\344\223\002]2H/v1beta/{security_"
+          + "settings.name=projects/*/locations/*/securitySettings}:\021security_settings\022\255\001\n\n"
+          + "ListAgents\022*.google.cloud.ces.v1beta.ListA"
+          + "gentsRequest\032+.google.cloud.ces.v1beta.L"
+          + "istAgentsResponse\"F\332A\006parent\202\323\344\223\0027\0225/v1b"
+          + "eta/{parent=projects/*/locations/*/apps/*}/agents\022\232\001\n"
+          + "\010GetAgent\022(.google.cloud.ces.v1beta.GetAgentRequest\032\036.google.cloud."
+          + "ces.v1beta.Agent\"D\332A\004name\202\323\344\223\0027\0225/v1beta"
+          + "/{name=projects/*/locations/*/apps/*/age",
+      "nts/*}\022\307\001\n\013CreateAgent\022+.google.cloud.ce"
+          + "s.v1beta.CreateAgentRequest\032\036.google.clo"
+          + "ud.ces.v1beta.Agent\"k\332A\025parent,agent,age"
+          + "nt_id\332A\014parent,agent\202\323\344\223\002>\"5/v1beta/{par"
+          + "ent=projects/*/locations/*/apps/*}/agent"
+          + "s:\005agent\022\272\001\n\013UpdateAgent\022+.google.cloud."
+          + "ces.v1beta.UpdateAgentRequest\032\036.google.c"
+          + "loud.ces.v1beta.Agent\"^\332A\021agent,update_m"
+          + "ask\202\323\344\223\002D2;/v1beta/{agent.name=projects/"
+          + "*/locations/*/apps/*/agents/*}:\005agent\022\230\001"
+          + "\n\013DeleteAgent\022+.google.cloud.ces.v1beta."
+          + "DeleteAgentRequest\032\026.google.protobuf.Emp"
+          + "ty\"D\332A\004name\202\323\344\223\0027*5/v1beta/{name=project"
+          + "s/*/locations/*/apps/*/agents/*}\022\265\001\n\014Lis"
+          + "tExamples\022,.google.cloud.ces.v1beta.List"
+          + "ExamplesRequest\032-.google.cloud.ces.v1bet"
+          + "a.ListExamplesResponse\"H\332A\006parent\202\323\344\223\0029\022"
+          + "7/v1beta/{parent=projects/*/locations/*/"
+          + "apps/*}/examples\022\242\001\n\nGetExample\022*.google"
+          + ".cloud.ces.v1beta.GetExampleRequest\032 .go"
+          + "ogle.cloud.ces.v1beta.Example\"F\332A\004name\202\323"
+          + "\344\223\0029\0227/v1beta/{name=projects/*/locations"
+          + "/*/apps/*/examples/*}\022\327\001\n\rCreateExample\022"
+          + "-.google.cloud.ces.v1beta.CreateExampleR"
+          + "equest\032 .google.cloud.ces.v1beta.Example"
+          + "\"u\332A\031parent,example,example_id\332A\016parent,"
+          + "example\202\323\344\223\002B\"7/v1beta/{parent=projects/"
+          + "*/locations/*/apps/*}/examples:\007example\022"
+          + "\310\001\n\rUpdateExample\022-.google.cloud.ces.v1b"
+          + "eta.UpdateExampleRequest\032 .google.cloud."
+          + "ces.v1beta.Example\"f\332A\023example,update_ma"
+          + "sk\202\323\344\223\002J2?/v1beta/{example.name=projects"
+          + "/*/locations/*/apps/*/examples/*}:\007examp"
+          + "le\022\236\001\n\rDeleteExample\022-.google.cloud.ces."
+          + "v1beta.DeleteExampleRequest\032\026.google.pro"
+          + "tobuf.Empty\"F\332A\004name\202\323\344\223\0029*7/v1beta/{nam"
+          + "e=projects/*/locations/*/apps/*/examples"
+          + "/*}\022\251\001\n\tListTools\022).google.cloud.ces.v1b"
+          + "eta.ListToolsRequest\032*.google.cloud.ces."
+          + "v1beta.ListToolsResponse\"E\332A\006parent\202\323\344\223\002"
+          + "6\0224/v1beta/{parent=projects/*/locations/"
+          + "*/apps/*}/tools\022\226\001\n\007GetTool\022\'.google.clo"
+          + "ud.ces.v1beta.GetToolRequest\032\035.google.cl"
+          + "oud.ces.v1beta.Tool\"C\332A\004name\202\323\344\223\0026\0224/v1b"
           + "eta/{name=projects/*/locations/*/apps/*/"
-          + "toolsets/*}\022\276\001\n\017ListAppVersions\022/.google"
-          + ".cloud.ces.v1beta.ListAppVersionsRequest"
-          + "\0320.google.cloud.ces.v1beta.ListAppVersio"
-          + "nsResponse\"H\332A\006parent\202\323\344\223\0029\0227/v1beta/{pa"
-          + "rent=projects/*/locations/*/apps/*}/vers"
-          + "ions\022\253\001\n\rGetAppVersion\022-.google.cloud.ce"
-          + "s.v1beta.GetAppVersionRequest\032#.google.c"
-          + "loud.ces.v1beta.AppVersion\"F\332A\004name\202\323\344\223\002"
-          + "9\0227/v1beta/{name=projects/*/locations/*/"
-          + "apps/*/versions/*}\022\361\001\n\020CreateAppVersion\022"
-          + "0.google.cloud.ces.v1beta.CreateAppVersi"
-          + "onRequest\032#.google.cloud.ces.v1beta.AppV"
-          + "ersion\"\205\001\332A!parent,app_version,app_versi"
-          + "on_id\332A\022parent,app_version\202\323\344\223\002F\"7/v1bet"
-          + "a/{parent=projects/*/locations/*/apps/*}"
-          + "/versions:\013app_version\022\244\001\n\020DeleteAppVers"
-          + "ion\0220.google.cloud.ces.v1beta.DeleteAppV"
-          + "ersionRequest\032\026.google.protobuf.Empty\"F\332"
-          + "A\004name\202\323\344\223\0029*7/v1beta/{name=projects/*/l"
-          + "ocations/*/apps/*/versions/*}\022\352\001\n\021Restor"
-          + "eAppVersion\0221.google.cloud.ces.v1beta.Re"
-          + "storeAppVersionRequest\032\035.google.longrunn"
-          + "ing.Operation\"\202\001\312A.\n\031RestoreAppVersionRe"
-          + "sponse\022\021OperationMetadata\332A\004name\202\323\344\223\002D\"?"
-          + "/v1beta/{name=projects/*/locations/*/app"
-          + "s/*/versions/*}:restore:\001*\022\275\001\n\016ListChang"
-          + "elogs\022..google.cloud.ces.v1beta.ListChan"
-          + "gelogsRequest\032/.google.cloud.ces.v1beta."
-          + "ListChangelogsResponse\"J\332A\006parent\202\323\344\223\002;\022"
-          + "9/v1beta/{parent=projects/*/locations/*/"
-          + "apps/*}/changelogs\022\252\001\n\014GetChangelog\022,.go"
-          + "ogle.cloud.ces.v1beta.GetChangelogReques"
-          + "t\032\".google.cloud.ces.v1beta.Changelog\"H\332"
-          + "A\004name\202\323\344\223\002;\0229/v1beta/{name=projects/*/l"
-          + "ocations/*/apps/*/changelogs/*}\032j\312A\022ces."
-          + "googleapis.com\322ARhttps://www.googleapis."
-          + "com/auth/ces,https://www.googleapis.com/"
-          + "auth/cloud-platformB\316\001\n\033com.google.cloud"
-          + ".ces.v1betaB\021AgentServiceProtoP\001Z-cloud."
-          + "google.com/go/ces/apiv1beta/cespb;cespb\352"
-          + "Aj\n,contactcenterinsights.googleapis.com"
-          + "/Dataset\022:projects/{project}/locations/{"
-          + "location}/datasets/{dataset}b\006proto3"
+          + "tools/*}\022\311\001\n\021ListConversations\0221.google."
+          + "cloud.ces.v1beta.ListConversationsReques"
+          + "t\0322.google.cloud.ces.v1beta.ListConversa"
+          + "tionsResponse\"M\332A\006parent\202\323\344\223\002>\022</v1beta/"
+          + "{parent=projects/*/locations/*/apps/*}/c"
+          + "onversations\022\266\001\n\017GetConversation\022/.googl"
+          + "e.cloud.ces.v1beta.GetConversationReques"
+          + "t\032%.google.cloud.ces.v1beta.Conversation"
+          + "\"K\332A\004name\202\323\344\223\002>\022</v1beta/{name=projects/"
+          + "*/locations/*/apps/*/conversations/*}\022\255\001"
+          + "\n\022DeleteConversation\0222.google.cloud.ces."
+          + "v1beta.DeleteConversationRequest\032\026.googl"
+          + "e.protobuf.Empty\"K\332A\004name\202\323\344\223\002>*</v1beta"
+          + "/{name=projects/*/locations/*/apps/*/con"
+          + "versations/*}\022\212\002\n\030BatchDeleteConversatio"
+          + "ns\0228.google.cloud.ces.v1beta.BatchDelete"
+          + "ConversationsRequest\032\035.google.longrunnin"
+          + "g.Operation\"\224\001\312A5\n BatchDeleteConversati"
+          + "onsResponse\022\021OperationMetadata\332A\006parent\202"
+          + "\323\344\223\002M\"H/v1beta/{parent=projects/*/locati"
+          + "ons/*/apps/*}/conversations:batchDelete:"
+          + "\001*\022\277\001\n\nCreateTool\022*.google.cloud.ces.v1b"
+          + "eta.CreateToolRequest\032\035.google.cloud.ces"
+          + ".v1beta.Tool\"f\332A\023parent,tool,tool_id\332A\013p"
+          + "arent,tool\202\323\344\223\002<\"4/v1beta/{parent=projec"
+          + "ts/*/locations/*/apps/*}/tools:\004tool\022\263\001\n"
+          + "\nUpdateTool\022*.google.cloud.ces.v1beta.Up"
+          + "dateToolRequest\032\035.google.cloud.ces.v1bet"
+          + "a.Tool\"Z\332A\020tool,update_mask\202\323\344\223\002A29/v1be"
+          + "ta/{tool.name=projects/*/locations/*/app"
+          + "s/*/tools/*}:\004tool\022\225\001\n\nDeleteTool\022*.goog"
+          + "le.cloud.ces.v1beta.DeleteToolRequest\032\026."
+          + "google.protobuf.Empty\"C\332A\004name\202\323\344\223\0026*4/v"
+          + "1beta/{name=projects/*/locations/*/apps/"
+          + "*/tools/*}\022\275\001\n\016ListGuardrails\022..google.c"
+          + "loud.ces.v1beta.ListGuardrailsRequest\032/."
+          + "google.cloud.ces.v1beta.ListGuardrailsRe"
+          + "sponse\"J\332A\006parent\202\323\344\223\002;\0229/v1beta/{parent"
+          + "=projects/*/locations/*/apps/*}/guardrai"
+          + "ls\022\252\001\n\014GetGuardrail\022,.google.cloud.ces.v"
+          + "1beta.GetGuardrailRequest\032\".google.cloud"
+          + ".ces.v1beta.Guardrail\"H\332A\004name\202\323\344\223\002;\0229/v"
+          + "1beta/{name=projects/*/locations/*/apps/"
+          + "*/guardrails/*}\022\347\001\n\017CreateGuardrail\022/.go"
+          + "ogle.cloud.ces.v1beta.CreateGuardrailReq"
+          + "uest\032\".google.cloud.ces.v1beta.Guardrail"
+          + "\"\177\332A\035parent,guardrail,guardrail_id\332A\020par"
+          + "ent,guardrail\202\323\344\223\002F\"9/v1beta/{parent=pro"
+          + "jects/*/locations/*/apps/*}/guardrails:\t"
+          + "guardrail\022\326\001\n\017UpdateGuardrail\022/.google.c"
+          + "loud.ces.v1beta.UpdateGuardrailRequest\032\""
+          + ".google.cloud.ces.v1beta.Guardrail\"n\332A\025g"
+          + "uardrail,update_mask\202\323\344\223\002P2C/v1beta/{gua"
+          + "rdrail.name=projects/*/locations/*/apps/"
+          + "*/guardrails/*}:\tguardrail\022\244\001\n\017DeleteGua"
+          + "rdrail\022/.google.cloud.ces.v1beta.DeleteG"
+          + "uardrailRequest\032\026.google.protobuf.Empty\""
+          + "H\332A\004name\202\323\344\223\002;*9/v1beta/{name=projects/*"
+          + "/locations/*/apps/*/guardrails/*}\022\301\001\n\017Li"
+          + "stDeployments\022/.google.cloud.ces.v1beta."
+          + "ListDeploymentsRequest\0320.google.cloud.ce"
+          + "s.v1beta.ListDeploymentsResponse\"K\332A\006par"
+          + "ent\202\323\344\223\002<\022:/v1beta/{parent=projects/*/lo"
+          + "cations/*/apps/*}/deployments\022\256\001\n\rGetDep"
+          + "loyment\022-.google.cloud.ces.v1beta.GetDep"
+          + "loymentRequest\032#.google.cloud.ces.v1beta"
+          + ".Deployment\"I\332A\004name\202\323\344\223\002<\022:/v1beta/{nam"
+          + "e=projects/*/locations/*/apps/*/deployme"
+          + "nts/*}\022\360\001\n\020CreateDeployment\0220.google.clo"
+          + "ud.ces.v1beta.CreateDeploymentRequest\032#."
+          + "google.cloud.ces.v1beta.Deployment\"\204\001\332A\037"
+          + "parent,deployment,deployment_id\332A\021parent"
+          + ",deployment\202\323\344\223\002H\":/v1beta/{parent=proje"
+          + "cts/*/locations/*/apps/*}/deployments:\nd"
+          + "eployment\022\335\001\n\020UpdateDeployment\0220.google."
+          + "cloud.ces.v1beta.UpdateDeploymentRequest"
+          + "\032#.google.cloud.ces.v1beta.Deployment\"r\332"
+          + "A\026deployment,update_mask\202\323\344\223\002S2E/v1beta/"
+          + "{deployment.name=projects/*/locations/*/"
+          + "apps/*/deployments/*}:\ndeployment\022\247\001\n\020De"
+          + "leteDeployment\0220.google.cloud.ces.v1beta"
+          + ".DeleteDeploymentRequest\032\026.google.protob"
+          + "uf.Empty\"I\332A\004name\202\323\344\223\002<*:/v1beta/{name=p"
+          + "rojects/*/locations/*/apps/*/deployments"
+          + "/*}\022\265\001\n\014ListToolsets\022,.google.cloud.ces."
+          + "v1beta.ListToolsetsRequest\032-.google.clou"
+          + "d.ces.v1beta.ListToolsetsResponse\"H\332A\006pa"
+          + "rent\202\323\344\223\0029\0227/v1beta/{parent=projects/*/l"
+          + "ocations/*/apps/*}/toolsets\022\242\001\n\nGetTools"
+          + "et\022*.google.cloud.ces.v1beta.GetToolsetR"
+          + "equest\032 .google.cloud.ces.v1beta.Toolset"
+          + "\"F\332A\004name\202\323\344\223\0029\0227/v1beta/{name=projects/"
+          + "*/locations/*/apps/*/toolsets/*}\022\327\001\n\rCre"
+          + "ateToolset\022-.google.cloud.ces.v1beta.Cre"
+          + "ateToolsetRequest\032 .google.cloud.ces.v1b"
+          + "eta.Toolset\"u\332A\031parent,toolset,toolset_i"
+          + "d\332A\016parent,toolset\202\323\344\223\002B\"7/v1beta/{paren"
+          + "t=projects/*/locations/*/apps/*}/toolset"
+          + "s:\007toolset\022\310\001\n\rUpdateToolset\022-.google.cl"
+          + "oud.ces.v1beta.UpdateToolsetRequest\032 .go"
+          + "ogle.cloud.ces.v1beta.Toolset\"f\332A\023toolse"
+          + "t,update_mask\202\323\344\223\002J2?/v1beta/{toolset.na"
+          + "me=projects/*/locations/*/apps/*/toolset"
+          + "s/*}:\007toolset\022\236\001\n\rDeleteToolset\022-.google"
+          + ".cloud.ces.v1beta.DeleteToolsetRequest\032\026"
+          + ".google.protobuf.Empty\"F\332A\004name\202\323\344\223\0029*7/"
+          + "v1beta/{name=projects/*/locations/*/apps"
+          + "/*/toolsets/*}\022\276\001\n\017ListAppVersions\022/.goo"
+          + "gle.cloud.ces.v1beta.ListAppVersionsRequ"
+          + "est\0320.google.cloud.ces.v1beta.ListAppVer"
+          + "sionsResponse\"H\332A\006parent\202\323\344\223\0029\0227/v1beta/"
+          + "{parent=projects/*/locations/*/apps/*}/v"
+          + "ersions\022\253\001\n\rGetAppVersion\022-.google.cloud"
+          + ".ces.v1beta.GetAppVersionRequest\032#.googl"
+          + "e.cloud.ces.v1beta.AppVersion\"F\332A\004name\202\323"
+          + "\344\223\0029\0227/v1beta/{name=projects/*/locations"
+          + "/*/apps/*/versions/*}\022\361\001\n\020CreateAppVersi"
+          + "on\0220.google.cloud.ces.v1beta.CreateAppVe"
+          + "rsionRequest\032#.google.cloud.ces.v1beta.A"
+          + "ppVersion\"\205\001\332A!parent,app_version,app_ve"
+          + "rsion_id\332A\022parent,app_version\202\323\344\223\002F\"7/v1"
+          + "beta/{parent=projects/*/locations/*/apps"
+          + "/*}/versions:\013app_version\022\244\001\n\020DeleteAppV"
+          + "ersion\0220.google.cloud.ces.v1beta.DeleteA"
+          + "ppVersionRequest\032\026.google.protobuf.Empty"
+          + "\"F\332A\004name\202\323\344\223\0029*7/v1beta/{name=projects/"
+          + "*/locations/*/apps/*/versions/*}\022\352\001\n\021Res"
+          + "toreAppVersion\0221.google.cloud.ces.v1beta"
+          + ".RestoreAppVersionRequest\032\035.google.longr"
+          + "unning.Operation\"\202\001\312A.\n\031RestoreAppVersio"
+          + "nResponse\022\021OperationMetadata\332A\004name\202\323\344\223\002"
+          + "D\"?/v1beta/{name=projects/*/locations/*/"
+          + "apps/*/versions/*}:restore:\001*\022\210\002\n\023Genera"
+          + "teAppResource\0223.google.cloud.ces.v1beta."
+          + "GenerateAppResourceRequest\032\035.google.long"
+          + "running.Operation\"\234\001\312AC\n\033GenerateAppReso"
+          + "urceResponse\022$GenerateAppResourceOperati"
+          + "onMetadata\332A\006parent\202\323\344\223\002G\"B/v1beta/{pare"
+          + "nt=projects/*/locations/*/apps/*}:genera"
+          + "teAppResource:\001*\022\275\001\n\016ListChangelogs\022..go"
+          + "ogle.cloud.ces.v1beta.ListChangelogsRequ"
+          + "est\032/.google.cloud.ces.v1beta.ListChange"
+          + "logsResponse\"J\332A\006parent\202\323\344\223\002;\0229/v1beta/{"
+          + "parent=projects/*/locations/*/apps/*}/ch"
+          + "angelogs\022\252\001\n\014GetChangelog\022,.google.cloud"
+          + ".ces.v1beta.GetChangelogRequest\032\".google"
+          + ".cloud.ces.v1beta.Changelog\"H\332A\004name\202\323\344\223"
+          + "\002;\0229/v1beta/{name=projects/*/locations/*"
+          + "/apps/*/changelogs/*}\032j\312A\022ces.googleapis"
+          + ".com\322ARhttps://www.googleapis.com/auth/c"
+          + "es,https://www.googleapis.com/auth/cloud"
+          + "-platformB\316\001\n\033com.google.cloud.ces.v1bet"
+          + "aB\021AgentServiceProtoP\001Z-cloud.google.com"
+          + "/go/ces/apiv1beta/cespb;cespb\352Aj\n,contac"
+          + "tcenterinsights.googleapis.com/Dataset\022:"
+          + "projects/{project}/locations/{location}/"
+          + "datasets/{dataset}b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -946,6 +1096,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.cloud.ces.v1beta.ChannelProfileProto.getDescriptor(),
               com.google.cloud.ces.v1beta.EvaluationProto.getDescriptor(),
               com.google.cloud.ces.v1beta.ExampleProto.getDescriptor(),
+              com.google.cloud.ces.v1beta.FileContextProto.getDescriptor(),
               com.google.cloud.ces.v1beta.GuardrailProto.getDescriptor(),
               com.google.cloud.ces.v1beta.SecuritySettingsProto.getDescriptor(),
               com.google.cloud.ces.v1beta.ToolProto.getDescriptor(),
@@ -954,6 +1105,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.protobuf.EmptyProto.getDescriptor(),
               com.google.protobuf.FieldMaskProto.getDescriptor(),
               com.google.protobuf.TimestampProto.getDescriptor(),
+              com.google.rpc.StatusProto.getDescriptor(),
             });
     internal_static_google_cloud_ces_v1beta_ListAppsRequest_descriptor =
         getDescriptor().getMessageType(0);
@@ -1448,8 +1600,106 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_ces_v1beta_RestoreAppVersionResponse_descriptor,
             new java.lang.String[] {});
-    internal_static_google_cloud_ces_v1beta_GenerateAppResourceResponse_descriptor =
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_descriptor =
         getDescriptor().getMessageType(60);
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_descriptor,
+            new java.lang.String[] {
+              "Agent",
+              "Tool",
+              "Toolset",
+              "Parent",
+              "RefineInstructions",
+              "ToolGenerationConfig",
+              "AppGenerationConfig",
+              "EvaluationGenerationConfig",
+              "EvaluationPersonasGenerationConfig",
+              "QualityReportGenerationConfig",
+              "HillClimbingFixConfig",
+              "Resource",
+            });
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_RefineInstructions_descriptor =
+        internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_descriptor.getNestedType(
+            0);
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_RefineInstructions_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_RefineInstructions_descriptor,
+            new java.lang.String[] {
+              "StartIndex", "EndIndex", "FieldMask", "Instructions",
+            });
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_descriptor =
+        internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_descriptor.getNestedType(
+            1);
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_descriptor,
+            new java.lang.String[] {
+              "Context", "FileContexts", "OpenApiToolsetGenerationConfig",
+            });
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_descriptor =
+        internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_descriptor
+            .getNestedType(0);
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_descriptor,
+            new java.lang.String[] {
+              "Uri", "OperationGenerationConfigs",
+            });
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_OperationGenerationConfig_descriptor =
+        internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_descriptor
+            .getNestedType(0);
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_OperationGenerationConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_OperationGenerationConfig_descriptor,
+            new java.lang.String[] {
+              "Method", "Path", "RequestJson", "ResponseJson",
+            });
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_AppGenerationConfig_descriptor =
+        internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_descriptor.getNestedType(
+            2);
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_AppGenerationConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_AppGenerationConfig_descriptor,
+            new java.lang.String[] {
+              "Context", "FileContexts", "DatasetId", "GenerateEvaluations", "GcsLocation",
+            });
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationGenerationConfig_descriptor =
+        internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_descriptor.getNestedType(
+            3);
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationGenerationConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationGenerationConfig_descriptor,
+            new java.lang.String[] {
+              "DatasetId",
+            });
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationPersonasGenerationConfig_descriptor =
+        internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_descriptor.getNestedType(
+            4);
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationPersonasGenerationConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationPersonasGenerationConfig_descriptor,
+            new java.lang.String[] {});
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_QualityReportGenerationConfig_descriptor =
+        internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_descriptor.getNestedType(
+            5);
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_QualityReportGenerationConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_QualityReportGenerationConfig_descriptor,
+            new java.lang.String[] {
+              "EvaluationRun",
+            });
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_HillClimbingFixConfig_descriptor =
+        internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_descriptor.getNestedType(
+            6);
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_HillClimbingFixConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_HillClimbingFixConfig_descriptor,
+            new java.lang.String[] {
+              "QualityReport",
+            });
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceResponse_descriptor =
+        getDescriptor().getMessageType(61);
     internal_static_google_cloud_ces_v1beta_GenerateAppResourceResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_ces_v1beta_GenerateAppResourceResponse_descriptor,
@@ -1501,7 +1751,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Explanation",
             });
     internal_static_google_cloud_ces_v1beta_QualityReport_descriptor =
-        getDescriptor().getMessageType(61);
+        getDescriptor().getMessageType(62);
     internal_static_google_cloud_ces_v1beta_QualityReport_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_ces_v1beta_QualityReport_descriptor,
@@ -1524,8 +1774,16 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             new java.lang.String[] {
               "Agent", "Issues",
             });
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceOperationMetadata_descriptor =
+        getDescriptor().getMessageType(63);
+    internal_static_google_cloud_ces_v1beta_GenerateAppResourceOperationMetadata_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_ces_v1beta_GenerateAppResourceOperationMetadata_descriptor,
+            new java.lang.String[] {
+              "GenerationType", "Message", "CreateTime", "EndTime", "Target", "PartialErrors",
+            });
     internal_static_google_cloud_ces_v1beta_ListChangelogsRequest_descriptor =
-        getDescriptor().getMessageType(62);
+        getDescriptor().getMessageType(64);
     internal_static_google_cloud_ces_v1beta_ListChangelogsRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_ces_v1beta_ListChangelogsRequest_descriptor,
@@ -1533,7 +1791,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Parent", "PageSize", "PageToken", "Filter", "OrderBy",
             });
     internal_static_google_cloud_ces_v1beta_ListChangelogsResponse_descriptor =
-        getDescriptor().getMessageType(63);
+        getDescriptor().getMessageType(65);
     internal_static_google_cloud_ces_v1beta_ListChangelogsResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_ces_v1beta_ListChangelogsResponse_descriptor,
@@ -1541,7 +1799,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Changelogs", "NextPageToken",
             });
     internal_static_google_cloud_ces_v1beta_GetChangelogRequest_descriptor =
-        getDescriptor().getMessageType(64);
+        getDescriptor().getMessageType(66);
     internal_static_google_cloud_ces_v1beta_GetChangelogRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_ces_v1beta_GetChangelogRequest_descriptor,
@@ -1549,7 +1807,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Name",
             });
     internal_static_google_cloud_ces_v1beta_GetSecuritySettingsRequest_descriptor =
-        getDescriptor().getMessageType(65);
+        getDescriptor().getMessageType(67);
     internal_static_google_cloud_ces_v1beta_GetSecuritySettingsRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_ces_v1beta_GetSecuritySettingsRequest_descriptor,
@@ -1557,7 +1815,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Name",
             });
     internal_static_google_cloud_ces_v1beta_UpdateSecuritySettingsRequest_descriptor =
-        getDescriptor().getMessageType(66);
+        getDescriptor().getMessageType(68);
     internal_static_google_cloud_ces_v1beta_UpdateSecuritySettingsRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_ces_v1beta_UpdateSecuritySettingsRequest_descriptor,
@@ -1577,6 +1835,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     com.google.cloud.ces.v1beta.ChannelProfileProto.getDescriptor();
     com.google.cloud.ces.v1beta.EvaluationProto.getDescriptor();
     com.google.cloud.ces.v1beta.ExampleProto.getDescriptor();
+    com.google.cloud.ces.v1beta.FileContextProto.getDescriptor();
     com.google.cloud.ces.v1beta.GuardrailProto.getDescriptor();
     com.google.cloud.ces.v1beta.SecuritySettingsProto.getDescriptor();
     com.google.cloud.ces.v1beta.ToolProto.getDescriptor();
@@ -1585,6 +1844,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     com.google.protobuf.EmptyProto.getDescriptor();
     com.google.protobuf.FieldMaskProto.getDescriptor();
     com.google.protobuf.TimestampProto.getDescriptor();
+    com.google.rpc.StatusProto.getDescriptor();
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.ClientProto.defaultHost);
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentTool.java b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentTool.java
index 38abd674a2f7..b12f2c15531d 100644
--- a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentTool.java
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentTool.java
@@ -55,6 +55,7 @@ private AgentTool() {
     name_ = "";
     description_ = "";
     rootAgent_ = "";
+    agent_ = "";
   }
 
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
@@ -187,17 +188,21 @@ public com.google.protobuf.ByteString getDescriptionBytes() {
    *
    *
    * <pre>
-   * Optional. The resource name of the root agent that is the entry point of
-   * the tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+   * Optional. Deprecated: Use `agent` instead.
+   * The resource name of the root agent that is the entry point of the tool.
+   * Format: `projects/{project}/locations/{location}/agents/{agent}`
    * </pre>
    *
    * <code>
-   * string root_agent = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * string root_agent = 3 [deprecated = true, (.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
    * </code>
    *
+   * @deprecated google.cloud.ces.v1beta.AgentTool.root_agent is deprecated. See
+   *     google/cloud/ces/v1beta/agent_tool.proto;l=37
    * @return The rootAgent.
    */
   @java.lang.Override
+  @java.lang.Deprecated
   public java.lang.String getRootAgent() {
     java.lang.Object ref = rootAgent_;
     if (ref instanceof java.lang.String) {
@@ -214,17 +219,21 @@ public java.lang.String getRootAgent() {
    *
    *
    * <pre>
-   * Optional. The resource name of the root agent that is the entry point of
-   * the tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+   * Optional. Deprecated: Use `agent` instead.
+   * The resource name of the root agent that is the entry point of the tool.
+   * Format: `projects/{project}/locations/{location}/agents/{agent}`
    * </pre>
    *
    * <code>
-   * string root_agent = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * string root_agent = 3 [deprecated = true, (.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
    * </code>
    *
+   * @deprecated google.cloud.ces.v1beta.AgentTool.root_agent is deprecated. See
+   *     google/cloud/ces/v1beta/agent_tool.proto;l=37
    * @return The bytes for rootAgent.
    */
   @java.lang.Override
+  @java.lang.Deprecated
   public com.google.protobuf.ByteString getRootAgentBytes() {
     java.lang.Object ref = rootAgent_;
     if (ref instanceof java.lang.String) {
@@ -237,6 +246,65 @@ public com.google.protobuf.ByteString getRootAgentBytes() {
     }
   }
 
+  public static final int AGENT_FIELD_NUMBER = 4;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object agent_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The resource name of the agent that is the entry point of the
+   * tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+   * </pre>
+   *
+   * <code>
+   * string agent = 4 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The agent.
+   */
+  @java.lang.Override
+  public java.lang.String getAgent() {
+    java.lang.Object ref = agent_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      agent_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The resource name of the agent that is the entry point of the
+   * tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+   * </pre>
+   *
+   * <code>
+   * string agent = 4 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for agent.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getAgentBytes() {
+    java.lang.Object ref = agent_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      agent_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -260,6 +328,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (!com.google.protobuf.GeneratedMessage.isStringEmpty(rootAgent_)) {
       com.google.protobuf.GeneratedMessage.writeString(output, 3, rootAgent_);
     }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(agent_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 4, agent_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -278,6 +349,9 @@ public int getSerializedSize() {
     if (!com.google.protobuf.GeneratedMessage.isStringEmpty(rootAgent_)) {
       size += com.google.protobuf.GeneratedMessage.computeStringSize(3, rootAgent_);
     }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(agent_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(4, agent_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -296,6 +370,7 @@ public boolean equals(final java.lang.Object obj) {
     if (!getName().equals(other.getName())) return false;
     if (!getDescription().equals(other.getDescription())) return false;
     if (!getRootAgent().equals(other.getRootAgent())) return false;
+    if (!getAgent().equals(other.getAgent())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -313,6 +388,8 @@ public int hashCode() {
     hash = (53 * hash) + getDescription().hashCode();
     hash = (37 * hash) + ROOT_AGENT_FIELD_NUMBER;
     hash = (53 * hash) + getRootAgent().hashCode();
+    hash = (37 * hash) + AGENT_FIELD_NUMBER;
+    hash = (53 * hash) + getAgent().hashCode();
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -455,6 +532,7 @@ public Builder clear() {
       name_ = "";
       description_ = "";
       rootAgent_ = "";
+      agent_ = "";
       return this;
     }
 
@@ -500,6 +578,9 @@ private void buildPartial0(com.google.cloud.ces.v1beta.AgentTool result) {
       if (((from_bitField0_ & 0x00000004) != 0)) {
         result.rootAgent_ = rootAgent_;
       }
+      if (((from_bitField0_ & 0x00000008) != 0)) {
+        result.agent_ = agent_;
+      }
     }
 
     @java.lang.Override
@@ -529,6 +610,11 @@ public Builder mergeFrom(com.google.cloud.ces.v1beta.AgentTool other) {
         bitField0_ |= 0x00000004;
         onChanged();
       }
+      if (!other.getAgent().isEmpty()) {
+        agent_ = other.agent_;
+        bitField0_ |= 0x00000008;
+        onChanged();
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -573,6 +659,12 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00000004;
                 break;
               } // case 26
+            case 34:
+              {
+                agent_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 34
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -820,16 +912,20 @@ public Builder setDescriptionBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * Optional. The resource name of the root agent that is the entry point of
-     * the tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+     * Optional. Deprecated: Use `agent` instead.
+     * The resource name of the root agent that is the entry point of the tool.
+     * Format: `projects/{project}/locations/{location}/agents/{agent}`
      * </pre>
      *
      * <code>
-     * string root_agent = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * string root_agent = 3 [deprecated = true, (.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * </code>
      *
+     * @deprecated google.cloud.ces.v1beta.AgentTool.root_agent is deprecated. See
+     *     google/cloud/ces/v1beta/agent_tool.proto;l=37
      * @return The rootAgent.
      */
+    @java.lang.Deprecated
     public java.lang.String getRootAgent() {
       java.lang.Object ref = rootAgent_;
       if (!(ref instanceof java.lang.String)) {
@@ -846,16 +942,20 @@ public java.lang.String getRootAgent() {
      *
      *
      * <pre>
-     * Optional. The resource name of the root agent that is the entry point of
-     * the tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+     * Optional. Deprecated: Use `agent` instead.
+     * The resource name of the root agent that is the entry point of the tool.
+     * Format: `projects/{project}/locations/{location}/agents/{agent}`
      * </pre>
      *
      * <code>
-     * string root_agent = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * string root_agent = 3 [deprecated = true, (.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * </code>
      *
+     * @deprecated google.cloud.ces.v1beta.AgentTool.root_agent is deprecated. See
+     *     google/cloud/ces/v1beta/agent_tool.proto;l=37
      * @return The bytes for rootAgent.
      */
+    @java.lang.Deprecated
     public com.google.protobuf.ByteString getRootAgentBytes() {
       java.lang.Object ref = rootAgent_;
       if (ref instanceof String) {
@@ -872,17 +972,21 @@ public com.google.protobuf.ByteString getRootAgentBytes() {
      *
      *
      * <pre>
-     * Optional. The resource name of the root agent that is the entry point of
-     * the tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+     * Optional. Deprecated: Use `agent` instead.
+     * The resource name of the root agent that is the entry point of the tool.
+     * Format: `projects/{project}/locations/{location}/agents/{agent}`
      * </pre>
      *
      * <code>
-     * string root_agent = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * string root_agent = 3 [deprecated = true, (.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * </code>
      *
+     * @deprecated google.cloud.ces.v1beta.AgentTool.root_agent is deprecated. See
+     *     google/cloud/ces/v1beta/agent_tool.proto;l=37
      * @param value The rootAgent to set.
      * @return This builder for chaining.
      */
+    @java.lang.Deprecated
     public Builder setRootAgent(java.lang.String value) {
       if (value == null) {
         throw new NullPointerException();
@@ -897,16 +1001,20 @@ public Builder setRootAgent(java.lang.String value) {
      *
      *
      * <pre>
-     * Optional. The resource name of the root agent that is the entry point of
-     * the tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+     * Optional. Deprecated: Use `agent` instead.
+     * The resource name of the root agent that is the entry point of the tool.
+     * Format: `projects/{project}/locations/{location}/agents/{agent}`
      * </pre>
      *
      * <code>
-     * string root_agent = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * string root_agent = 3 [deprecated = true, (.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * </code>
      *
+     * @deprecated google.cloud.ces.v1beta.AgentTool.root_agent is deprecated. See
+     *     google/cloud/ces/v1beta/agent_tool.proto;l=37
      * @return This builder for chaining.
      */
+    @java.lang.Deprecated
     public Builder clearRootAgent() {
       rootAgent_ = getDefaultInstance().getRootAgent();
       bitField0_ = (bitField0_ & ~0x00000004);
@@ -918,17 +1026,21 @@ public Builder clearRootAgent() {
      *
      *
      * <pre>
-     * Optional. The resource name of the root agent that is the entry point of
-     * the tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+     * Optional. Deprecated: Use `agent` instead.
+     * The resource name of the root agent that is the entry point of the tool.
+     * Format: `projects/{project}/locations/{location}/agents/{agent}`
      * </pre>
      *
      * <code>
-     * string root_agent = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * string root_agent = 3 [deprecated = true, (.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * </code>
      *
+     * @deprecated google.cloud.ces.v1beta.AgentTool.root_agent is deprecated. See
+     *     google/cloud/ces/v1beta/agent_tool.proto;l=37
      * @param value The bytes for rootAgent to set.
      * @return This builder for chaining.
      */
+    @java.lang.Deprecated
     public Builder setRootAgentBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
         throw new NullPointerException();
@@ -940,6 +1052,132 @@ public Builder setRootAgentBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    private java.lang.Object agent_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The resource name of the agent that is the entry point of the
+     * tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+     * </pre>
+     *
+     * <code>
+     * string agent = 4 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The agent.
+     */
+    public java.lang.String getAgent() {
+      java.lang.Object ref = agent_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        agent_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The resource name of the agent that is the entry point of the
+     * tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+     * </pre>
+     *
+     * <code>
+     * string agent = 4 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for agent.
+     */
+    public com.google.protobuf.ByteString getAgentBytes() {
+      java.lang.Object ref = agent_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        agent_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The resource name of the agent that is the entry point of the
+     * tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+     * </pre>
+     *
+     * <code>
+     * string agent = 4 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The agent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setAgent(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      agent_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The resource name of the agent that is the entry point of the
+     * tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+     * </pre>
+     *
+     * <code>
+     * string agent = 4 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearAgent() {
+      agent_ = getDefaultInstance().getAgent();
+      bitField0_ = (bitField0_ & ~0x00000008);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The resource name of the agent that is the entry point of the
+     * tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+     * </pre>
+     *
+     * <code>
+     * string agent = 4 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for agent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setAgentBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      agent_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
     // @@protoc_insertion_point(builder_scope:google.cloud.ces.v1beta.AgentTool)
   }
 
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentToolOrBuilder.java b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentToolOrBuilder.java
index 58c55829c34d..4e1ef31a60ae 100644
--- a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentToolOrBuilder.java
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentToolOrBuilder.java
@@ -82,31 +82,71 @@ public interface AgentToolOrBuilder
    *
    *
    * <pre>
-   * Optional. The resource name of the root agent that is the entry point of
-   * the tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+   * Optional. Deprecated: Use `agent` instead.
+   * The resource name of the root agent that is the entry point of the tool.
+   * Format: `projects/{project}/locations/{location}/agents/{agent}`
    * </pre>
    *
    * <code>
-   * string root_agent = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * string root_agent = 3 [deprecated = true, (.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
    * </code>
    *
+   * @deprecated google.cloud.ces.v1beta.AgentTool.root_agent is deprecated. See
+   *     google/cloud/ces/v1beta/agent_tool.proto;l=37
    * @return The rootAgent.
    */
+  @java.lang.Deprecated
   java.lang.String getRootAgent();
 
   /**
    *
    *
    * <pre>
-   * Optional. The resource name of the root agent that is the entry point of
-   * the tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+   * Optional. Deprecated: Use `agent` instead.
+   * The resource name of the root agent that is the entry point of the tool.
+   * Format: `projects/{project}/locations/{location}/agents/{agent}`
    * </pre>
    *
    * <code>
-   * string root_agent = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * string root_agent = 3 [deprecated = true, (.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
    * </code>
    *
+   * @deprecated google.cloud.ces.v1beta.AgentTool.root_agent is deprecated. See
+   *     google/cloud/ces/v1beta/agent_tool.proto;l=37
    * @return The bytes for rootAgent.
    */
+  @java.lang.Deprecated
   com.google.protobuf.ByteString getRootAgentBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The resource name of the agent that is the entry point of the
+   * tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+   * </pre>
+   *
+   * <code>
+   * string agent = 4 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The agent.
+   */
+  java.lang.String getAgent();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The resource name of the agent that is the entry point of the
+   * tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+   * </pre>
+   *
+   * <code>
+   * string agent = 4 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for agent.
+   */
+  com.google.protobuf.ByteString getAgentBytes();
 }
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentToolProto.java b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentToolProto.java
index 0bc49a63b8be..fcf4667585e5 100644
--- a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentToolProto.java
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/AgentToolProto.java
@@ -56,12 +56,13 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
       "\n(google/cloud/ces/v1beta/agent_tool.pro"
           + "to\022\027google.cloud.ces.v1beta\032\037google/api/"
           + "field_behavior.proto\032\031google/api/resourc"
-          + "e.proto\"n\n\tAgentTool\022\021\n\004name\030\001 \001(\tB\003\340A\002\022"
-          + "\030\n\013description\030\002 \001(\tB\003\340A\001\0224\n\nroot_agent\030"
-          + "\003 \001(\tB \340A\001\372A\032\n\030ces.googleapis.com/AgentB"
-          + "^\n\033com.google.cloud.ces.v1betaB\016AgentToo"
-          + "lProtoP\001Z-cloud.google.com/go/ces/apiv1b"
-          + "eta/cespb;cespbb\006proto3"
+          + "e.proto\"\241\001\n\tAgentTool\022\021\n\004name\030\001 \001(\tB\003\340A\002"
+          + "\022\030\n\013description\030\002 \001(\tB\003\340A\001\0226\n\nroot_agent"
+          + "\030\003 \001(\tB\"\030\001\340A\001\372A\032\n\030ces.googleapis.com/Age"
+          + "nt\022/\n\005agent\030\004 \001(\tB \340A\001\372A\032\n\030ces.googleapi"
+          + "s.com/AgentB^\n\033com.google.cloud.ces.v1be"
+          + "taB\016AgentToolProtoP\001Z-cloud.google.com/g"
+          + "o/ces/apiv1beta/cespb;cespbb\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -76,7 +77,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_ces_v1beta_AgentTool_descriptor,
             new java.lang.String[] {
-              "Name", "Description", "RootAgent",
+              "Name", "Description", "RootAgent", "Agent",
             });
     descriptor.resolveAllFeaturesImmutable();
     com.google.api.FieldBehaviorProto.getDescriptor();
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/Conversation.java b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/Conversation.java
index 46a30a2b9353..e6a6fc7fce4b 100644
--- a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/Conversation.java
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/Conversation.java
@@ -327,6 +327,17 @@ public enum Source implements com.google.protobuf.ProtocolMessageEnum {
      * <code>EVAL = 3;</code>
      */
     EVAL(3),
+    /**
+     *
+     *
+     * <pre>
+     * The conversation is from an agent tool. Agent tool runs the agent in a
+     * separate session, which is persisted for testing and debugging purposes.
+     * </pre>
+     *
+     * <code>AGENT_TOOL = 4;</code>
+     */
+    AGENT_TOOL(4),
     UNRECOGNIZED(-1),
     ;
 
@@ -384,6 +395,18 @@ public enum Source implements com.google.protobuf.ProtocolMessageEnum {
      */
     public static final int EVAL_VALUE = 3;
 
+    /**
+     *
+     *
+     * <pre>
+     * The conversation is from an agent tool. Agent tool runs the agent in a
+     * separate session, which is persisted for testing and debugging purposes.
+     * </pre>
+     *
+     * <code>AGENT_TOOL = 4;</code>
+     */
+    public static final int AGENT_TOOL_VALUE = 4;
+
     public final int getNumber() {
       if (this == UNRECOGNIZED) {
         throw new java.lang.IllegalArgumentException(
@@ -416,6 +439,8 @@ public static Source forNumber(int value) {
           return SIMULATOR;
         case 3:
           return EVAL;
+        case 4:
+          return AGENT_TOOL;
         default:
           return null;
       }
@@ -2408,7 +2433,7 @@ public int getTurnCount() {
    * </code>
    *
    * @deprecated google.cloud.ces.v1beta.Conversation.channel_type is deprecated. See
-   *     google/cloud/ces/v1beta/conversation.proto;l=126
+   *     google/cloud/ces/v1beta/conversation.proto;l=130
    * @return The enum numeric value on the wire for channelType.
    */
   @java.lang.Override
@@ -2429,7 +2454,7 @@ public int getChannelTypeValue() {
    * </code>
    *
    * @deprecated google.cloud.ces.v1beta.Conversation.channel_type is deprecated. See
-   *     google/cloud/ces/v1beta/conversation.proto;l=126
+   *     google/cloud/ces/v1beta/conversation.proto;l=130
    * @return The channelType.
    */
   @java.lang.Override
@@ -4656,7 +4681,7 @@ public Builder clearTurnCount() {
      * </code>
      *
      * @deprecated google.cloud.ces.v1beta.Conversation.channel_type is deprecated. See
-     *     google/cloud/ces/v1beta/conversation.proto;l=126
+     *     google/cloud/ces/v1beta/conversation.proto;l=130
      * @return The enum numeric value on the wire for channelType.
      */
     @java.lang.Override
@@ -4677,7 +4702,7 @@ public int getChannelTypeValue() {
      * </code>
      *
      * @deprecated google.cloud.ces.v1beta.Conversation.channel_type is deprecated. See
-     *     google/cloud/ces/v1beta/conversation.proto;l=126
+     *     google/cloud/ces/v1beta/conversation.proto;l=130
      * @param value The enum numeric value on the wire for channelType to set.
      * @return This builder for chaining.
      */
@@ -4701,7 +4726,7 @@ public Builder setChannelTypeValue(int value) {
      * </code>
      *
      * @deprecated google.cloud.ces.v1beta.Conversation.channel_type is deprecated. See
-     *     google/cloud/ces/v1beta/conversation.proto;l=126
+     *     google/cloud/ces/v1beta/conversation.proto;l=130
      * @return The channelType.
      */
     @java.lang.Override
@@ -4726,7 +4751,7 @@ public com.google.cloud.ces.v1beta.Conversation.ChannelType getChannelType() {
      * </code>
      *
      * @deprecated google.cloud.ces.v1beta.Conversation.channel_type is deprecated. See
-     *     google/cloud/ces/v1beta/conversation.proto;l=126
+     *     google/cloud/ces/v1beta/conversation.proto;l=130
      * @param value The channelType to set.
      * @return This builder for chaining.
      */
@@ -4753,7 +4778,7 @@ public Builder setChannelType(com.google.cloud.ces.v1beta.Conversation.ChannelTy
      * </code>
      *
      * @deprecated google.cloud.ces.v1beta.Conversation.channel_type is deprecated. See
-     *     google/cloud/ces/v1beta/conversation.proto;l=126
+     *     google/cloud/ces/v1beta/conversation.proto;l=130
      * @return This builder for chaining.
      */
     @java.lang.Deprecated
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/ConversationOrBuilder.java b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/ConversationOrBuilder.java
index ab313c7b2763..281956077602 100644
--- a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/ConversationOrBuilder.java
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/ConversationOrBuilder.java
@@ -227,7 +227,7 @@ public interface ConversationOrBuilder
    * </code>
    *
    * @deprecated google.cloud.ces.v1beta.Conversation.channel_type is deprecated. See
-   *     google/cloud/ces/v1beta/conversation.proto;l=126
+   *     google/cloud/ces/v1beta/conversation.proto;l=130
    * @return The enum numeric value on the wire for channelType.
    */
   @java.lang.Deprecated
@@ -245,7 +245,7 @@ public interface ConversationOrBuilder
    * </code>
    *
    * @deprecated google.cloud.ces.v1beta.Conversation.channel_type is deprecated. See
-   *     google/cloud/ces/v1beta/conversation.proto;l=126
+   *     google/cloud/ces/v1beta/conversation.proto;l=130
    * @return The channelType.
    */
   @java.lang.Deprecated
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/ConversationProto.java b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/ConversationProto.java
index da38ce266d72..6686c1cd107e 100644
--- a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/ConversationProto.java
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/ConversationProto.java
@@ -63,7 +63,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "rce.proto\032$google/cloud/ces/v1beta/commo"
           + "n.proto\032%google/cloud/ces/v1beta/example"
           + ".proto\032\037google/protobuf/timestamp.proto\""
-          + "\234\n\n\014Conversation\022\021\n\004name\030\001 \001(\tB\003\340A\010\0223\n\ns"
+          + "\254\n\n\014Conversation\022\021\n\004name\030\001 \001(\tB\003\340A\010\0223\n\ns"
           + "tart_time\030\003 \001(\0132\032.google.protobuf.Timest"
           + "ampB\003\340A\003\0221\n\010end_time\030\004 \001(\0132\032.google.prot"
           + "obuf.TimestampB\003\340A\003\022>\n\005turns\030\006 \003(\0132*.goo"
@@ -85,20 +85,20 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "ssageB\003\340A\001\0225\n\troot_span\030\002 \001(\0132\035.google.c"
           + "loud.ces.v1beta.SpanB\003\340A\001\"P\n\013ChannelType"
           + "\022\034\n\030CHANNEL_TYPE_UNSPECIFIED\020\000\022\010\n\004TEXT\020\001"
-          + "\022\t\n\005AUDIO\020\002\022\016\n\nMULTIMODAL\020\003\"C\n\006Source\022\026\n"
+          + "\022\t\n\005AUDIO\020\002\022\016\n\nMULTIMODAL\020\003\"S\n\006Source\022\026\n"
           + "\022SOURCE_UNSPECIFIED\020\000\022\010\n\004LIVE\020\001\022\r\n\tSIMUL"
-          + "ATOR\020\002\022\010\n\004EVAL\020\003\"\265\001\n\tInputType\022\032\n\026INPUT_"
-          + "TYPE_UNSPECIFIED\020\000\022\023\n\017INPUT_TYPE_TEXT\020\001\022"
-          + "\024\n\020INPUT_TYPE_AUDIO\020\002\022\024\n\020INPUT_TYPE_IMAG"
-          + "E\020\003\022\023\n\017INPUT_TYPE_BLOB\020\004\022\034\n\030INPUT_TYPE_T"
-          + "OOL_RESPONSE\020\005\022\030\n\024INPUT_TYPE_VARIABLES\020\006"
-          + ":\223\001\352A\217\001\n\037ces.googleapis.com/Conversation"
-          + "\022Oprojects/{project}/locations/{location"
-          + "}/apps/{app}/conversations/{conversation"
-          + "}*\rconversations2\014conversationBa\n\033com.go"
-          + "ogle.cloud.ces.v1betaB\021ConversationProto"
-          + "P\001Z-cloud.google.com/go/ces/apiv1beta/ce"
-          + "spb;cespbb\006proto3"
+          + "ATOR\020\002\022\010\n\004EVAL\020\003\022\016\n\nAGENT_TOOL\020\004\"\265\001\n\tInp"
+          + "utType\022\032\n\026INPUT_TYPE_UNSPECIFIED\020\000\022\023\n\017IN"
+          + "PUT_TYPE_TEXT\020\001\022\024\n\020INPUT_TYPE_AUDIO\020\002\022\024\n"
+          + "\020INPUT_TYPE_IMAGE\020\003\022\023\n\017INPUT_TYPE_BLOB\020\004"
+          + "\022\034\n\030INPUT_TYPE_TOOL_RESPONSE\020\005\022\030\n\024INPUT_"
+          + "TYPE_VARIABLES\020\006:\223\001\352A\217\001\n\037ces.googleapis."
+          + "com/Conversation\022Oprojects/{project}/loc"
+          + "ations/{location}/apps/{app}/conversatio"
+          + "ns/{conversation}*\rconversations2\014conver"
+          + "sationBa\n\033com.google.cloud.ces.v1betaB\021C"
+          + "onversationProtoP\001Z-cloud.google.com/go/"
+          + "ces/apiv1beta/cespb;cespbb\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/DeleteConversationRequest.java b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/DeleteConversationRequest.java
index 9ac29fb7f2e8..65e464fc604b 100644
--- a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/DeleteConversationRequest.java
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/DeleteConversationRequest.java
@@ -145,7 +145,7 @@ public com.google.protobuf.ByteString getNameBytes() {
    * </code>
    *
    * @deprecated google.cloud.ces.v1beta.DeleteConversationRequest.source is deprecated. See
-   *     google/cloud/ces/v1beta/agent_service.proto;l=1189
+   *     google/cloud/ces/v1beta/agent_service.proto;l=1205
    * @return The enum numeric value on the wire for source.
    */
   @java.lang.Override
@@ -167,7 +167,7 @@ public int getSourceValue() {
    * </code>
    *
    * @deprecated google.cloud.ces.v1beta.DeleteConversationRequest.source is deprecated. See
-   *     google/cloud/ces/v1beta/agent_service.proto;l=1189
+   *     google/cloud/ces/v1beta/agent_service.proto;l=1205
    * @return The source.
    */
   @java.lang.Override
@@ -648,7 +648,7 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
      * </code>
      *
      * @deprecated google.cloud.ces.v1beta.DeleteConversationRequest.source is deprecated. See
-     *     google/cloud/ces/v1beta/agent_service.proto;l=1189
+     *     google/cloud/ces/v1beta/agent_service.proto;l=1205
      * @return The enum numeric value on the wire for source.
      */
     @java.lang.Override
@@ -670,7 +670,7 @@ public int getSourceValue() {
      * </code>
      *
      * @deprecated google.cloud.ces.v1beta.DeleteConversationRequest.source is deprecated. See
-     *     google/cloud/ces/v1beta/agent_service.proto;l=1189
+     *     google/cloud/ces/v1beta/agent_service.proto;l=1205
      * @param value The enum numeric value on the wire for source to set.
      * @return This builder for chaining.
      */
@@ -695,7 +695,7 @@ public Builder setSourceValue(int value) {
      * </code>
      *
      * @deprecated google.cloud.ces.v1beta.DeleteConversationRequest.source is deprecated. See
-     *     google/cloud/ces/v1beta/agent_service.proto;l=1189
+     *     google/cloud/ces/v1beta/agent_service.proto;l=1205
      * @return The source.
      */
     @java.lang.Override
@@ -719,7 +719,7 @@ public com.google.cloud.ces.v1beta.Conversation.Source getSource() {
      * </code>
      *
      * @deprecated google.cloud.ces.v1beta.DeleteConversationRequest.source is deprecated. See
-     *     google/cloud/ces/v1beta/agent_service.proto;l=1189
+     *     google/cloud/ces/v1beta/agent_service.proto;l=1205
      * @param value The source to set.
      * @return This builder for chaining.
      */
@@ -747,7 +747,7 @@ public Builder setSource(com.google.cloud.ces.v1beta.Conversation.Source value)
      * </code>
      *
      * @deprecated google.cloud.ces.v1beta.DeleteConversationRequest.source is deprecated. See
-     *     google/cloud/ces/v1beta/agent_service.proto;l=1189
+     *     google/cloud/ces/v1beta/agent_service.proto;l=1205
      * @return This builder for chaining.
      */
     @java.lang.Deprecated
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/DeleteConversationRequestOrBuilder.java b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/DeleteConversationRequestOrBuilder.java
index 5927517801de..a9619530777b 100644
--- a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/DeleteConversationRequestOrBuilder.java
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/DeleteConversationRequestOrBuilder.java
@@ -69,7 +69,7 @@ public interface DeleteConversationRequestOrBuilder
    * </code>
    *
    * @deprecated google.cloud.ces.v1beta.DeleteConversationRequest.source is deprecated. See
-   *     google/cloud/ces/v1beta/agent_service.proto;l=1189
+   *     google/cloud/ces/v1beta/agent_service.proto;l=1205
    * @return The enum numeric value on the wire for source.
    */
   @java.lang.Deprecated
@@ -88,7 +88,7 @@ public interface DeleteConversationRequestOrBuilder
    * </code>
    *
    * @deprecated google.cloud.ces.v1beta.DeleteConversationRequest.source is deprecated. See
-   *     google/cloud/ces/v1beta/agent_service.proto;l=1189
+   *     google/cloud/ces/v1beta/agent_service.proto;l=1205
    * @return The source.
    */
   @java.lang.Deprecated
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/FileContext.java b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/FileContext.java
new file mode 100644
index 000000000000..b6efbb3a1e59
--- /dev/null
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/FileContext.java
@@ -0,0 +1,1752 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/ces/v1beta/file_context.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.ces.v1beta;
+
+/**
+ *
+ *
+ * <pre>
+ * Files to be used as context. Files can be provided as raw bytes.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.ces.v1beta.FileContext}
+ */
+@com.google.protobuf.Generated
+public final class FileContext extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.ces.v1beta.FileContext)
+    FileContextOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "FileContext");
+  }
+
+  // Use FileContext.newBuilder() to construct.
+  private FileContext(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private FileContext() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.ces.v1beta.FileContextProto
+        .internal_static_google_cloud_ces_v1beta_FileContext_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.ces.v1beta.FileContextProto
+        .internal_static_google_cloud_ces_v1beta_FileContext_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.ces.v1beta.FileContext.class,
+            com.google.cloud.ces.v1beta.FileContext.Builder.class);
+  }
+
+  public interface FileBytesOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.ces.v1beta.FileContext.FileBytes)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the file provided as raw bytes.
+     * </pre>
+     *
+     * <code>string file_name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The fileName.
+     */
+    java.lang.String getFileName();
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the file provided as raw bytes.
+     * </pre>
+     *
+     * <code>string file_name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The bytes for fileName.
+     */
+    com.google.protobuf.ByteString getFileNameBytes();
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The IANA standard MIME type of the source data.
+     * </pre>
+     *
+     * <code>string mime_type = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The mimeType.
+     */
+    java.lang.String getMimeType();
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The IANA standard MIME type of the source data.
+     * </pre>
+     *
+     * <code>string mime_type = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The bytes for mimeType.
+     */
+    com.google.protobuf.ByteString getMimeTypeBytes();
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Raw bytes of the file.
+     * </pre>
+     *
+     * <code>bytes data = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The data.
+     */
+    com.google.protobuf.ByteString getData();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * File provided as raw bytes.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.ces.v1beta.FileContext.FileBytes}
+   */
+  public static final class FileBytes extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.ces.v1beta.FileContext.FileBytes)
+      FileBytesOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "FileBytes");
+    }
+
+    // Use FileBytes.newBuilder() to construct.
+    private FileBytes(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private FileBytes() {
+      fileName_ = "";
+      mimeType_ = "";
+      data_ = com.google.protobuf.ByteString.EMPTY;
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.ces.v1beta.FileContextProto
+          .internal_static_google_cloud_ces_v1beta_FileContext_FileBytes_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.ces.v1beta.FileContextProto
+          .internal_static_google_cloud_ces_v1beta_FileContext_FileBytes_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.ces.v1beta.FileContext.FileBytes.class,
+              com.google.cloud.ces.v1beta.FileContext.FileBytes.Builder.class);
+    }
+
+    public static final int FILE_NAME_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object fileName_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the file provided as raw bytes.
+     * </pre>
+     *
+     * <code>string file_name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The fileName.
+     */
+    @java.lang.Override
+    public java.lang.String getFileName() {
+      java.lang.Object ref = fileName_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        fileName_ = s;
+        return s;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the file provided as raw bytes.
+     * </pre>
+     *
+     * <code>string file_name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The bytes for fileName.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getFileNameBytes() {
+      java.lang.Object ref = fileName_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        fileName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int MIME_TYPE_FIELD_NUMBER = 2;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object mimeType_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The IANA standard MIME type of the source data.
+     * </pre>
+     *
+     * <code>string mime_type = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The mimeType.
+     */
+    @java.lang.Override
+    public java.lang.String getMimeType() {
+      java.lang.Object ref = mimeType_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        mimeType_ = s;
+        return s;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The IANA standard MIME type of the source data.
+     * </pre>
+     *
+     * <code>string mime_type = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The bytes for mimeType.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getMimeTypeBytes() {
+      java.lang.Object ref = mimeType_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        mimeType_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int DATA_FIELD_NUMBER = 3;
+    private com.google.protobuf.ByteString data_ = com.google.protobuf.ByteString.EMPTY;
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Raw bytes of the file.
+     * </pre>
+     *
+     * <code>bytes data = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The data.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getData() {
+      return data_;
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(fileName_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, fileName_);
+      }
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(mimeType_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 2, mimeType_);
+      }
+      if (!data_.isEmpty()) {
+        output.writeBytes(3, data_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(fileName_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, fileName_);
+      }
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(mimeType_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(2, mimeType_);
+      }
+      if (!data_.isEmpty()) {
+        size += com.google.protobuf.CodedOutputStream.computeBytesSize(3, data_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj instanceof com.google.cloud.ces.v1beta.FileContext.FileBytes)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.ces.v1beta.FileContext.FileBytes other =
+          (com.google.cloud.ces.v1beta.FileContext.FileBytes) obj;
+
+      if (!getFileName().equals(other.getFileName())) return false;
+      if (!getMimeType().equals(other.getMimeType())) return false;
+      if (!getData().equals(other.getData())) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + FILE_NAME_FIELD_NUMBER;
+      hash = (53 * hash) + getFileName().hashCode();
+      hash = (37 * hash) + MIME_TYPE_FIELD_NUMBER;
+      hash = (53 * hash) + getMimeType().hashCode();
+      hash = (37 * hash) + DATA_FIELD_NUMBER;
+      hash = (53 * hash) + getData().hashCode();
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.ces.v1beta.FileContext.FileBytes parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.FileContext.FileBytes parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.FileContext.FileBytes parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.FileContext.FileBytes parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.FileContext.FileBytes parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.FileContext.FileBytes parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.FileContext.FileBytes parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.FileContext.FileBytes parseFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.FileContext.FileBytes parseDelimitedFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.FileContext.FileBytes parseDelimitedFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.FileContext.FileBytes parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.FileContext.FileBytes parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(com.google.cloud.ces.v1beta.FileContext.FileBytes prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * File provided as raw bytes.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.ces.v1beta.FileContext.FileBytes}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.ces.v1beta.FileContext.FileBytes)
+        com.google.cloud.ces.v1beta.FileContext.FileBytesOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.ces.v1beta.FileContextProto
+            .internal_static_google_cloud_ces_v1beta_FileContext_FileBytes_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.ces.v1beta.FileContextProto
+            .internal_static_google_cloud_ces_v1beta_FileContext_FileBytes_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.ces.v1beta.FileContext.FileBytes.class,
+                com.google.cloud.ces.v1beta.FileContext.FileBytes.Builder.class);
+      }
+
+      // Construct using com.google.cloud.ces.v1beta.FileContext.FileBytes.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        fileName_ = "";
+        mimeType_ = "";
+        data_ = com.google.protobuf.ByteString.EMPTY;
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.ces.v1beta.FileContextProto
+            .internal_static_google_cloud_ces_v1beta_FileContext_FileBytes_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.FileContext.FileBytes getDefaultInstanceForType() {
+        return com.google.cloud.ces.v1beta.FileContext.FileBytes.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.FileContext.FileBytes build() {
+        com.google.cloud.ces.v1beta.FileContext.FileBytes result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.FileContext.FileBytes buildPartial() {
+        com.google.cloud.ces.v1beta.FileContext.FileBytes result =
+            new com.google.cloud.ces.v1beta.FileContext.FileBytes(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartial0(com.google.cloud.ces.v1beta.FileContext.FileBytes result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.fileName_ = fileName_;
+        }
+        if (((from_bitField0_ & 0x00000002) != 0)) {
+          result.mimeType_ = mimeType_;
+        }
+        if (((from_bitField0_ & 0x00000004) != 0)) {
+          result.data_ = data_;
+        }
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.ces.v1beta.FileContext.FileBytes) {
+          return mergeFrom((com.google.cloud.ces.v1beta.FileContext.FileBytes) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(com.google.cloud.ces.v1beta.FileContext.FileBytes other) {
+        if (other == com.google.cloud.ces.v1beta.FileContext.FileBytes.getDefaultInstance())
+          return this;
+        if (!other.getFileName().isEmpty()) {
+          fileName_ = other.fileName_;
+          bitField0_ |= 0x00000001;
+          onChanged();
+        }
+        if (!other.getMimeType().isEmpty()) {
+          mimeType_ = other.mimeType_;
+          bitField0_ |= 0x00000002;
+          onChanged();
+        }
+        if (!other.getData().isEmpty()) {
+          setData(other.getData());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  fileName_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 10
+              case 18:
+                {
+                  mimeType_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000002;
+                  break;
+                } // case 18
+              case 26:
+                {
+                  data_ = input.readBytes();
+                  bitField0_ |= 0x00000004;
+                  break;
+                } // case 26
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private java.lang.Object fileName_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The name of the file provided as raw bytes.
+       * </pre>
+       *
+       * <code>string file_name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @return The fileName.
+       */
+      public java.lang.String getFileName() {
+        java.lang.Object ref = fileName_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          fileName_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The name of the file provided as raw bytes.
+       * </pre>
+       *
+       * <code>string file_name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @return The bytes for fileName.
+       */
+      public com.google.protobuf.ByteString getFileNameBytes() {
+        java.lang.Object ref = fileName_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          fileName_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The name of the file provided as raw bytes.
+       * </pre>
+       *
+       * <code>string file_name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @param value The fileName to set.
+       * @return This builder for chaining.
+       */
+      public Builder setFileName(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        fileName_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The name of the file provided as raw bytes.
+       * </pre>
+       *
+       * <code>string file_name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearFileName() {
+        fileName_ = getDefaultInstance().getFileName();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The name of the file provided as raw bytes.
+       * </pre>
+       *
+       * <code>string file_name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @param value The bytes for fileName to set.
+       * @return This builder for chaining.
+       */
+      public Builder setFileNameBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        fileName_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object mimeType_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The IANA standard MIME type of the source data.
+       * </pre>
+       *
+       * <code>string mime_type = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @return The mimeType.
+       */
+      public java.lang.String getMimeType() {
+        java.lang.Object ref = mimeType_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          mimeType_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The IANA standard MIME type of the source data.
+       * </pre>
+       *
+       * <code>string mime_type = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @return The bytes for mimeType.
+       */
+      public com.google.protobuf.ByteString getMimeTypeBytes() {
+        java.lang.Object ref = mimeType_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          mimeType_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The IANA standard MIME type of the source data.
+       * </pre>
+       *
+       * <code>string mime_type = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @param value The mimeType to set.
+       * @return This builder for chaining.
+       */
+      public Builder setMimeType(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        mimeType_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The IANA standard MIME type of the source data.
+       * </pre>
+       *
+       * <code>string mime_type = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearMimeType() {
+        mimeType_ = getDefaultInstance().getMimeType();
+        bitField0_ = (bitField0_ & ~0x00000002);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The IANA standard MIME type of the source data.
+       * </pre>
+       *
+       * <code>string mime_type = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @param value The bytes for mimeType to set.
+       * @return This builder for chaining.
+       */
+      public Builder setMimeTypeBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        mimeType_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      private com.google.protobuf.ByteString data_ = com.google.protobuf.ByteString.EMPTY;
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. Raw bytes of the file.
+       * </pre>
+       *
+       * <code>bytes data = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @return The data.
+       */
+      @java.lang.Override
+      public com.google.protobuf.ByteString getData() {
+        return data_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. Raw bytes of the file.
+       * </pre>
+       *
+       * <code>bytes data = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @param value The data to set.
+       * @return This builder for chaining.
+       */
+      public Builder setData(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        data_ = value;
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. Raw bytes of the file.
+       * </pre>
+       *
+       * <code>bytes data = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearData() {
+        bitField0_ = (bitField0_ & ~0x00000004);
+        data_ = getDefaultInstance().getData();
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.ces.v1beta.FileContext.FileBytes)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.ces.v1beta.FileContext.FileBytes)
+    private static final com.google.cloud.ces.v1beta.FileContext.FileBytes DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.ces.v1beta.FileContext.FileBytes();
+    }
+
+    public static com.google.cloud.ces.v1beta.FileContext.FileBytes getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<FileBytes> PARSER =
+        new com.google.protobuf.AbstractParser<FileBytes>() {
+          @java.lang.Override
+          public FileBytes parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<FileBytes> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<FileBytes> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.FileContext.FileBytes getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  private int fileCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object file_;
+
+  public enum FileCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    FILE_BYTES(1),
+    FILE_NOT_SET(0);
+    private final int value;
+
+    private FileCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static FileCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static FileCase forNumber(int value) {
+      switch (value) {
+        case 1:
+          return FILE_BYTES;
+        case 0:
+          return FILE_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public FileCase getFileCase() {
+    return FileCase.forNumber(fileCase_);
+  }
+
+  public static final int FILE_BYTES_FIELD_NUMBER = 1;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. File provided as raw bytes.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.FileContext.FileBytes file_bytes = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the fileBytes field is set.
+   */
+  @java.lang.Override
+  public boolean hasFileBytes() {
+    return fileCase_ == 1;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. File provided as raw bytes.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.FileContext.FileBytes file_bytes = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The fileBytes.
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.FileContext.FileBytes getFileBytes() {
+    if (fileCase_ == 1) {
+      return (com.google.cloud.ces.v1beta.FileContext.FileBytes) file_;
+    }
+    return com.google.cloud.ces.v1beta.FileContext.FileBytes.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. File provided as raw bytes.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.FileContext.FileBytes file_bytes = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.FileContext.FileBytesOrBuilder getFileBytesOrBuilder() {
+    if (fileCase_ == 1) {
+      return (com.google.cloud.ces.v1beta.FileContext.FileBytes) file_;
+    }
+    return com.google.cloud.ces.v1beta.FileContext.FileBytes.getDefaultInstance();
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (fileCase_ == 1) {
+      output.writeMessage(1, (com.google.cloud.ces.v1beta.FileContext.FileBytes) file_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (fileCase_ == 1) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              1, (com.google.cloud.ces.v1beta.FileContext.FileBytes) file_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.ces.v1beta.FileContext)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.ces.v1beta.FileContext other = (com.google.cloud.ces.v1beta.FileContext) obj;
+
+    if (!getFileCase().equals(other.getFileCase())) return false;
+    switch (fileCase_) {
+      case 1:
+        if (!getFileBytes().equals(other.getFileBytes())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    switch (fileCase_) {
+      case 1:
+        hash = (37 * hash) + FILE_BYTES_FIELD_NUMBER;
+        hash = (53 * hash) + getFileBytes().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.ces.v1beta.FileContext parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.ces.v1beta.FileContext parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.ces.v1beta.FileContext parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.ces.v1beta.FileContext parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.ces.v1beta.FileContext parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.ces.v1beta.FileContext parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.ces.v1beta.FileContext parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.ces.v1beta.FileContext parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.ces.v1beta.FileContext parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.ces.v1beta.FileContext parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.ces.v1beta.FileContext parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.ces.v1beta.FileContext parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.ces.v1beta.FileContext prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Files to be used as context. Files can be provided as raw bytes.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.ces.v1beta.FileContext}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.ces.v1beta.FileContext)
+      com.google.cloud.ces.v1beta.FileContextOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.ces.v1beta.FileContextProto
+          .internal_static_google_cloud_ces_v1beta_FileContext_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.ces.v1beta.FileContextProto
+          .internal_static_google_cloud_ces_v1beta_FileContext_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.ces.v1beta.FileContext.class,
+              com.google.cloud.ces.v1beta.FileContext.Builder.class);
+    }
+
+    // Construct using com.google.cloud.ces.v1beta.FileContext.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (fileBytesBuilder_ != null) {
+        fileBytesBuilder_.clear();
+      }
+      fileCase_ = 0;
+      file_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.ces.v1beta.FileContextProto
+          .internal_static_google_cloud_ces_v1beta_FileContext_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.FileContext getDefaultInstanceForType() {
+      return com.google.cloud.ces.v1beta.FileContext.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.FileContext build() {
+      com.google.cloud.ces.v1beta.FileContext result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.FileContext buildPartial() {
+      com.google.cloud.ces.v1beta.FileContext result =
+          new com.google.cloud.ces.v1beta.FileContext(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.ces.v1beta.FileContext result) {
+      int from_bitField0_ = bitField0_;
+    }
+
+    private void buildPartialOneofs(com.google.cloud.ces.v1beta.FileContext result) {
+      result.fileCase_ = fileCase_;
+      result.file_ = this.file_;
+      if (fileCase_ == 1 && fileBytesBuilder_ != null) {
+        result.file_ = fileBytesBuilder_.build();
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.ces.v1beta.FileContext) {
+        return mergeFrom((com.google.cloud.ces.v1beta.FileContext) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.ces.v1beta.FileContext other) {
+      if (other == com.google.cloud.ces.v1beta.FileContext.getDefaultInstance()) return this;
+      switch (other.getFileCase()) {
+        case FILE_BYTES:
+          {
+            mergeFileBytes(other.getFileBytes());
+            break;
+          }
+        case FILE_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                input.readMessage(
+                    internalGetFileBytesFieldBuilder().getBuilder(), extensionRegistry);
+                fileCase_ = 1;
+                break;
+              } // case 10
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int fileCase_ = 0;
+    private java.lang.Object file_;
+
+    public FileCase getFileCase() {
+      return FileCase.forNumber(fileCase_);
+    }
+
+    public Builder clearFile() {
+      fileCase_ = 0;
+      file_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.FileContext.FileBytes,
+            com.google.cloud.ces.v1beta.FileContext.FileBytes.Builder,
+            com.google.cloud.ces.v1beta.FileContext.FileBytesOrBuilder>
+        fileBytesBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. File provided as raw bytes.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.FileContext.FileBytes file_bytes = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the fileBytes field is set.
+     */
+    @java.lang.Override
+    public boolean hasFileBytes() {
+      return fileCase_ == 1;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. File provided as raw bytes.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.FileContext.FileBytes file_bytes = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The fileBytes.
+     */
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.FileContext.FileBytes getFileBytes() {
+      if (fileBytesBuilder_ == null) {
+        if (fileCase_ == 1) {
+          return (com.google.cloud.ces.v1beta.FileContext.FileBytes) file_;
+        }
+        return com.google.cloud.ces.v1beta.FileContext.FileBytes.getDefaultInstance();
+      } else {
+        if (fileCase_ == 1) {
+          return fileBytesBuilder_.getMessage();
+        }
+        return com.google.cloud.ces.v1beta.FileContext.FileBytes.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. File provided as raw bytes.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.FileContext.FileBytes file_bytes = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setFileBytes(com.google.cloud.ces.v1beta.FileContext.FileBytes value) {
+      if (fileBytesBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        file_ = value;
+        onChanged();
+      } else {
+        fileBytesBuilder_.setMessage(value);
+      }
+      fileCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. File provided as raw bytes.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.FileContext.FileBytes file_bytes = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setFileBytes(
+        com.google.cloud.ces.v1beta.FileContext.FileBytes.Builder builderForValue) {
+      if (fileBytesBuilder_ == null) {
+        file_ = builderForValue.build();
+        onChanged();
+      } else {
+        fileBytesBuilder_.setMessage(builderForValue.build());
+      }
+      fileCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. File provided as raw bytes.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.FileContext.FileBytes file_bytes = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeFileBytes(com.google.cloud.ces.v1beta.FileContext.FileBytes value) {
+      if (fileBytesBuilder_ == null) {
+        if (fileCase_ == 1
+            && file_ != com.google.cloud.ces.v1beta.FileContext.FileBytes.getDefaultInstance()) {
+          file_ =
+              com.google.cloud.ces.v1beta.FileContext.FileBytes.newBuilder(
+                      (com.google.cloud.ces.v1beta.FileContext.FileBytes) file_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          file_ = value;
+        }
+        onChanged();
+      } else {
+        if (fileCase_ == 1) {
+          fileBytesBuilder_.mergeFrom(value);
+        } else {
+          fileBytesBuilder_.setMessage(value);
+        }
+      }
+      fileCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. File provided as raw bytes.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.FileContext.FileBytes file_bytes = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearFileBytes() {
+      if (fileBytesBuilder_ == null) {
+        if (fileCase_ == 1) {
+          fileCase_ = 0;
+          file_ = null;
+          onChanged();
+        }
+      } else {
+        if (fileCase_ == 1) {
+          fileCase_ = 0;
+          file_ = null;
+        }
+        fileBytesBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. File provided as raw bytes.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.FileContext.FileBytes file_bytes = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.ces.v1beta.FileContext.FileBytes.Builder getFileBytesBuilder() {
+      return internalGetFileBytesFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. File provided as raw bytes.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.FileContext.FileBytes file_bytes = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.FileContext.FileBytesOrBuilder getFileBytesOrBuilder() {
+      if ((fileCase_ == 1) && (fileBytesBuilder_ != null)) {
+        return fileBytesBuilder_.getMessageOrBuilder();
+      } else {
+        if (fileCase_ == 1) {
+          return (com.google.cloud.ces.v1beta.FileContext.FileBytes) file_;
+        }
+        return com.google.cloud.ces.v1beta.FileContext.FileBytes.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. File provided as raw bytes.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.FileContext.FileBytes file_bytes = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.FileContext.FileBytes,
+            com.google.cloud.ces.v1beta.FileContext.FileBytes.Builder,
+            com.google.cloud.ces.v1beta.FileContext.FileBytesOrBuilder>
+        internalGetFileBytesFieldBuilder() {
+      if (fileBytesBuilder_ == null) {
+        if (!(fileCase_ == 1)) {
+          file_ = com.google.cloud.ces.v1beta.FileContext.FileBytes.getDefaultInstance();
+        }
+        fileBytesBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.ces.v1beta.FileContext.FileBytes,
+                com.google.cloud.ces.v1beta.FileContext.FileBytes.Builder,
+                com.google.cloud.ces.v1beta.FileContext.FileBytesOrBuilder>(
+                (com.google.cloud.ces.v1beta.FileContext.FileBytes) file_,
+                getParentForChildren(),
+                isClean());
+        file_ = null;
+      }
+      fileCase_ = 1;
+      onChanged();
+      return fileBytesBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.ces.v1beta.FileContext)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.ces.v1beta.FileContext)
+  private static final com.google.cloud.ces.v1beta.FileContext DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.ces.v1beta.FileContext();
+  }
+
+  public static com.google.cloud.ces.v1beta.FileContext getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<FileContext> PARSER =
+      new com.google.protobuf.AbstractParser<FileContext>() {
+        @java.lang.Override
+        public FileContext parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<FileContext> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<FileContext> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.FileContext getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/FileContextOrBuilder.java b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/FileContextOrBuilder.java
new file mode 100644
index 000000000000..4d8854e97700
--- /dev/null
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/FileContextOrBuilder.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/ces/v1beta/file_context.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.ces.v1beta;
+
+@com.google.protobuf.Generated
+public interface FileContextOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.ces.v1beta.FileContext)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. File provided as raw bytes.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.FileContext.FileBytes file_bytes = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the fileBytes field is set.
+   */
+  boolean hasFileBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. File provided as raw bytes.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.FileContext.FileBytes file_bytes = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The fileBytes.
+   */
+  com.google.cloud.ces.v1beta.FileContext.FileBytes getFileBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. File provided as raw bytes.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.FileContext.FileBytes file_bytes = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.ces.v1beta.FileContext.FileBytesOrBuilder getFileBytesOrBuilder();
+
+  com.google.cloud.ces.v1beta.FileContext.FileCase getFileCase();
+}
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/FileContextProto.java b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/FileContextProto.java
new file mode 100644
index 000000000000..779ee9248ced
--- /dev/null
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/FileContextProto.java
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/ces/v1beta/file_context.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.ces.v1beta;
+
+@com.google.protobuf.Generated
+public final class FileContextProto extends com.google.protobuf.GeneratedFile {
+  private FileContextProto() {}
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "FileContextProto");
+  }
+
+  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
+
+  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions((com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_ces_v1beta_FileContext_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_ces_v1beta_FileContext_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_ces_v1beta_FileContext_FileBytes_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_ces_v1beta_FileContext_FileBytes_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
+    return descriptor;
+  }
+
+  private static com.google.protobuf.Descriptors.FileDescriptor descriptor;
+
+  static {
+    java.lang.String[] descriptorData = {
+      "\n"
+          + "*google/cloud/ces/v1beta/file_context.p"
+          + "roto\022\027google.cloud.ces.v1beta\032\037google/api/field_behavior.proto\"\260\001\n"
+          + "\013FileContext\022I\n\n"
+          + "file_bytes\030\001"
+          + " \001(\0132..google.cloud.ces.v1beta.FileContext.FileBytesB\003\340A\001H\000\032N\n"
+          + "\tFileBytes\022\026\n"
+          + "\tfile_name\030\001 \001(\tB\003\340A\002\022\026\n"
+          + "\tmime_type\030\002 \001(\tB\003\340A\002\022\021\n"
+          + "\004data\030\003 \001(\014B\003\340A\002B\006\n"
+          + "\004fileB`\n"
+          + "\033com.google.cloud.ces.v1betaB\020FileContextProtoP\001Z-cloud.google.com/go/ces/ap"
+          + "iv1beta/cespb;cespbb\006proto3"
+    };
+    descriptor =
+        com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
+            descriptorData,
+            new com.google.protobuf.Descriptors.FileDescriptor[] {
+              com.google.api.FieldBehaviorProto.getDescriptor(),
+            });
+    internal_static_google_cloud_ces_v1beta_FileContext_descriptor =
+        getDescriptor().getMessageType(0);
+    internal_static_google_cloud_ces_v1beta_FileContext_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_ces_v1beta_FileContext_descriptor,
+            new java.lang.String[] {
+              "FileBytes", "File",
+            });
+    internal_static_google_cloud_ces_v1beta_FileContext_FileBytes_descriptor =
+        internal_static_google_cloud_ces_v1beta_FileContext_descriptor.getNestedType(0);
+    internal_static_google_cloud_ces_v1beta_FileContext_FileBytes_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_ces_v1beta_FileContext_FileBytes_descriptor,
+            new java.lang.String[] {
+              "FileName", "MimeType", "Data",
+            });
+    descriptor.resolveAllFeaturesImmutable();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.protobuf.ExtensionRegistry registry =
+        com.google.protobuf.ExtensionRegistry.newInstance();
+    registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
+    com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
+        descriptor, registry);
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GenerateAppResourceOperationMetadata.java b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GenerateAppResourceOperationMetadata.java
new file mode 100644
index 000000000000..819c95db6a99
--- /dev/null
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GenerateAppResourceOperationMetadata.java
@@ -0,0 +1,2470 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/ces/v1beta/agent_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.ces.v1beta;
+
+/**
+ *
+ *
+ * <pre>
+ * Operation metadata for
+ * [AgentService.GenerateAppResource][google.cloud.ces.v1beta.AgentService.GenerateAppResource].
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata}
+ */
+@com.google.protobuf.Generated
+public final class GenerateAppResourceOperationMetadata extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata)
+    GenerateAppResourceOperationMetadataOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "GenerateAppResourceOperationMetadata");
+  }
+
+  // Use GenerateAppResourceOperationMetadata.newBuilder() to construct.
+  private GenerateAppResourceOperationMetadata(
+      com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private GenerateAppResourceOperationMetadata() {
+    generationType_ = 0;
+    message_ = "";
+    target_ = "";
+    partialErrors_ = java.util.Collections.emptyList();
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.ces.v1beta.AgentServiceProto
+        .internal_static_google_cloud_ces_v1beta_GenerateAppResourceOperationMetadata_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.ces.v1beta.AgentServiceProto
+        .internal_static_google_cloud_ces_v1beta_GenerateAppResourceOperationMetadata_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.class,
+            com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.Builder.class);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The type of the generation operation.
+   * </pre>
+   *
+   * Protobuf enum {@code
+   * google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType}
+   */
+  public enum GenerationType implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * Unspecified operation type.
+     * </pre>
+     *
+     * <code>GENERATION_TYPE_UNSPECIFIED = 0;</code>
+     */
+    GENERATION_TYPE_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * Agent instruction restructure type.
+     * </pre>
+     *
+     * <code>AGENT_RESTRUCTURE = 1;</code>
+     */
+    AGENT_RESTRUCTURE(1),
+    /**
+     *
+     *
+     * <pre>
+     * Agent instruction refinement type.
+     * </pre>
+     *
+     * <code>AGENT_REFINE = 2;</code>
+     */
+    AGENT_REFINE(2),
+    /**
+     *
+     *
+     * <pre>
+     * Agent creation from type.
+     * </pre>
+     *
+     * <code>AGENT_CREATE = 3;</code>
+     */
+    AGENT_CREATE(3),
+    /**
+     *
+     *
+     * <pre>
+     * Tool creation type.
+     * </pre>
+     *
+     * <code>TOOL_CREATE = 4;</code>
+     */
+    TOOL_CREATE(4),
+    /**
+     *
+     *
+     * <pre>
+     * Scenario creation type.
+     * </pre>
+     *
+     * <code>SCENARIO_CREATE = 5;</code>
+     */
+    SCENARIO_CREATE(5),
+    /**
+     *
+     *
+     * <pre>
+     * Scenario creation from transcripts type.
+     * </pre>
+     *
+     * <code>SCENARIO_CREATE_FROM_TRANSCRIPTS = 7;</code>
+     */
+    SCENARIO_CREATE_FROM_TRANSCRIPTS(7),
+    /**
+     *
+     *
+     * <pre>
+     * Evaluation persona generation type.
+     * </pre>
+     *
+     * <code>EVALUATION_PERSONA_CREATE = 6;</code>
+     */
+    EVALUATION_PERSONA_CREATE(6),
+    /**
+     *
+     *
+     * <pre>
+     * Quality report generation type.
+     * </pre>
+     *
+     * <code>QUALITY_REPORT_CREATE = 8;</code>
+     */
+    QUALITY_REPORT_CREATE(8),
+    /**
+     *
+     *
+     * <pre>
+     * Instruction following fix type (used for hill climbing fixes).
+     * </pre>
+     *
+     * <code>INSTRUCTION_FOLLOWING_FIX = 9;</code>
+     */
+    INSTRUCTION_FOLLOWING_FIX(9),
+    UNRECOGNIZED(-1),
+    ;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "GenerationType");
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Unspecified operation type.
+     * </pre>
+     *
+     * <code>GENERATION_TYPE_UNSPECIFIED = 0;</code>
+     */
+    public static final int GENERATION_TYPE_UNSPECIFIED_VALUE = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Agent instruction restructure type.
+     * </pre>
+     *
+     * <code>AGENT_RESTRUCTURE = 1;</code>
+     */
+    public static final int AGENT_RESTRUCTURE_VALUE = 1;
+
+    /**
+     *
+     *
+     * <pre>
+     * Agent instruction refinement type.
+     * </pre>
+     *
+     * <code>AGENT_REFINE = 2;</code>
+     */
+    public static final int AGENT_REFINE_VALUE = 2;
+
+    /**
+     *
+     *
+     * <pre>
+     * Agent creation from type.
+     * </pre>
+     *
+     * <code>AGENT_CREATE = 3;</code>
+     */
+    public static final int AGENT_CREATE_VALUE = 3;
+
+    /**
+     *
+     *
+     * <pre>
+     * Tool creation type.
+     * </pre>
+     *
+     * <code>TOOL_CREATE = 4;</code>
+     */
+    public static final int TOOL_CREATE_VALUE = 4;
+
+    /**
+     *
+     *
+     * <pre>
+     * Scenario creation type.
+     * </pre>
+     *
+     * <code>SCENARIO_CREATE = 5;</code>
+     */
+    public static final int SCENARIO_CREATE_VALUE = 5;
+
+    /**
+     *
+     *
+     * <pre>
+     * Scenario creation from transcripts type.
+     * </pre>
+     *
+     * <code>SCENARIO_CREATE_FROM_TRANSCRIPTS = 7;</code>
+     */
+    public static final int SCENARIO_CREATE_FROM_TRANSCRIPTS_VALUE = 7;
+
+    /**
+     *
+     *
+     * <pre>
+     * Evaluation persona generation type.
+     * </pre>
+     *
+     * <code>EVALUATION_PERSONA_CREATE = 6;</code>
+     */
+    public static final int EVALUATION_PERSONA_CREATE_VALUE = 6;
+
+    /**
+     *
+     *
+     * <pre>
+     * Quality report generation type.
+     * </pre>
+     *
+     * <code>QUALITY_REPORT_CREATE = 8;</code>
+     */
+    public static final int QUALITY_REPORT_CREATE_VALUE = 8;
+
+    /**
+     *
+     *
+     * <pre>
+     * Instruction following fix type (used for hill climbing fixes).
+     * </pre>
+     *
+     * <code>INSTRUCTION_FOLLOWING_FIX = 9;</code>
+     */
+    public static final int INSTRUCTION_FOLLOWING_FIX_VALUE = 9;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static GenerationType valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static GenerationType forNumber(int value) {
+      switch (value) {
+        case 0:
+          return GENERATION_TYPE_UNSPECIFIED;
+        case 1:
+          return AGENT_RESTRUCTURE;
+        case 2:
+          return AGENT_REFINE;
+        case 3:
+          return AGENT_CREATE;
+        case 4:
+          return TOOL_CREATE;
+        case 5:
+          return SCENARIO_CREATE;
+        case 7:
+          return SCENARIO_CREATE_FROM_TRANSCRIPTS;
+        case 6:
+          return EVALUATION_PERSONA_CREATE;
+        case 8:
+          return QUALITY_REPORT_CREATE;
+        case 9:
+          return INSTRUCTION_FOLLOWING_FIX;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<GenerationType> internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<GenerationType> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap<GenerationType>() {
+          public GenerationType findValueByNumber(int number) {
+            return GenerationType.forNumber(number);
+          }
+        };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.getDescriptor()
+          .getEnumTypes()
+          .get(0);
+    }
+
+    private static final GenerationType[] VALUES = values();
+
+    public static GenerationType valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private GenerationType(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType)
+  }
+
+  private int bitField0_;
+  public static final int GENERATION_TYPE_FIELD_NUMBER = 1;
+  private int generationType_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The type of the operation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType generation_type = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for generationType.
+   */
+  @java.lang.Override
+  public int getGenerationTypeValue() {
+    return generationType_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The type of the operation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType generation_type = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The generationType.
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType
+      getGenerationType() {
+    com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType result =
+        com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType.forNumber(
+            generationType_);
+    return result == null
+        ? com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType
+            .UNRECOGNIZED
+        : result;
+  }
+
+  public static final int MESSAGE_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object message_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Human-readable status of the operation, if any.
+   * </pre>
+   *
+   * <code>string message = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The message.
+   */
+  @java.lang.Override
+  public java.lang.String getMessage() {
+    java.lang.Object ref = message_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      message_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Human-readable status of the operation, if any.
+   * </pre>
+   *
+   * <code>string message = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for message.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getMessageBytes() {
+    java.lang.Object ref = message_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      message_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int CREATE_TIME_FIELD_NUMBER = 3;
+  private com.google.protobuf.Timestamp createTime_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The time the operation was created.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp create_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the createTime field is set.
+   */
+  @java.lang.Override
+  public boolean hasCreateTime() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The time the operation was created.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp create_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The createTime.
+   */
+  @java.lang.Override
+  public com.google.protobuf.Timestamp getCreateTime() {
+    return createTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : createTime_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The time the operation was created.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp create_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
+    return createTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : createTime_;
+  }
+
+  public static final int END_TIME_FIELD_NUMBER = 4;
+  private com.google.protobuf.Timestamp endTime_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The time the operation finished running.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp end_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the endTime field is set.
+   */
+  @java.lang.Override
+  public boolean hasEndTime() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The time the operation finished running.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp end_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The endTime.
+   */
+  @java.lang.Override
+  public com.google.protobuf.Timestamp getEndTime() {
+    return endTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : endTime_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The time the operation finished running.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp end_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.protobuf.TimestampOrBuilder getEndTimeOrBuilder() {
+    return endTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : endTime_;
+  }
+
+  public static final int TARGET_FIELD_NUMBER = 5;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object target_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The resource name of the app that the operation is associated
+   * with. Format: `projects/{project}/locations/{location}/apps/{app}`.
+   * </pre>
+   *
+   * <code>string target = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The target.
+   */
+  @java.lang.Override
+  public java.lang.String getTarget() {
+    java.lang.Object ref = target_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      target_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The resource name of the app that the operation is associated
+   * with. Format: `projects/{project}/locations/{location}/apps/{app}`.
+   * </pre>
+   *
+   * <code>string target = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for target.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getTargetBytes() {
+    java.lang.Object ref = target_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      target_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int PARTIAL_ERRORS_FIELD_NUMBER = 6;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.rpc.Status> partialErrors_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Error messages from the resource generation process.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.rpc.Status> getPartialErrorsList() {
+    return partialErrors_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Error messages from the resource generation process.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.rpc.StatusOrBuilder> getPartialErrorsOrBuilderList() {
+    return partialErrors_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Error messages from the resource generation process.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public int getPartialErrorsCount() {
+    return partialErrors_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Error messages from the resource generation process.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.rpc.Status getPartialErrors(int index) {
+    return partialErrors_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Error messages from the resource generation process.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.rpc.StatusOrBuilder getPartialErrorsOrBuilder(int index) {
+    return partialErrors_.get(index);
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (generationType_
+        != com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType
+            .GENERATION_TYPE_UNSPECIFIED
+            .getNumber()) {
+      output.writeEnum(1, generationType_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(message_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, message_);
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(3, getCreateTime());
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(4, getEndTime());
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(target_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 5, target_);
+    }
+    for (int i = 0; i < partialErrors_.size(); i++) {
+      output.writeMessage(6, partialErrors_.get(i));
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (generationType_
+        != com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType
+            .GENERATION_TYPE_UNSPECIFIED
+            .getNumber()) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(1, generationType_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(message_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, message_);
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getCreateTime());
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, getEndTime());
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(target_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(5, target_);
+    }
+    for (int i = 0; i < partialErrors_.size(); i++) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(6, partialErrors_.get(i));
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata other =
+        (com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata) obj;
+
+    if (generationType_ != other.generationType_) return false;
+    if (!getMessage().equals(other.getMessage())) return false;
+    if (hasCreateTime() != other.hasCreateTime()) return false;
+    if (hasCreateTime()) {
+      if (!getCreateTime().equals(other.getCreateTime())) return false;
+    }
+    if (hasEndTime() != other.hasEndTime()) return false;
+    if (hasEndTime()) {
+      if (!getEndTime().equals(other.getEndTime())) return false;
+    }
+    if (!getTarget().equals(other.getTarget())) return false;
+    if (!getPartialErrorsList().equals(other.getPartialErrorsList())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + GENERATION_TYPE_FIELD_NUMBER;
+    hash = (53 * hash) + generationType_;
+    hash = (37 * hash) + MESSAGE_FIELD_NUMBER;
+    hash = (53 * hash) + getMessage().hashCode();
+    if (hasCreateTime()) {
+      hash = (37 * hash) + CREATE_TIME_FIELD_NUMBER;
+      hash = (53 * hash) + getCreateTime().hashCode();
+    }
+    if (hasEndTime()) {
+      hash = (37 * hash) + END_TIME_FIELD_NUMBER;
+      hash = (53 * hash) + getEndTime().hashCode();
+    }
+    hash = (37 * hash) + TARGET_FIELD_NUMBER;
+    hash = (53 * hash) + getTarget().hashCode();
+    if (getPartialErrorsCount() > 0) {
+      hash = (37 * hash) + PARTIAL_ERRORS_FIELD_NUMBER;
+      hash = (53 * hash) + getPartialErrorsList().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata parseFrom(
+      byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Operation metadata for
+   * [AgentService.GenerateAppResource][google.cloud.ces.v1beta.AgentService.GenerateAppResource].
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata)
+      com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadataOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.ces.v1beta.AgentServiceProto
+          .internal_static_google_cloud_ces_v1beta_GenerateAppResourceOperationMetadata_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.ces.v1beta.AgentServiceProto
+          .internal_static_google_cloud_ces_v1beta_GenerateAppResourceOperationMetadata_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.class,
+              com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.Builder.class);
+    }
+
+    // Construct using com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetCreateTimeFieldBuilder();
+        internalGetEndTimeFieldBuilder();
+        internalGetPartialErrorsFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      generationType_ = 0;
+      message_ = "";
+      createTime_ = null;
+      if (createTimeBuilder_ != null) {
+        createTimeBuilder_.dispose();
+        createTimeBuilder_ = null;
+      }
+      endTime_ = null;
+      if (endTimeBuilder_ != null) {
+        endTimeBuilder_.dispose();
+        endTimeBuilder_ = null;
+      }
+      target_ = "";
+      if (partialErrorsBuilder_ == null) {
+        partialErrors_ = java.util.Collections.emptyList();
+      } else {
+        partialErrors_ = null;
+        partialErrorsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00000020);
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.ces.v1beta.AgentServiceProto
+          .internal_static_google_cloud_ces_v1beta_GenerateAppResourceOperationMetadata_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata
+        getDefaultInstanceForType() {
+      return com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata build() {
+      com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata buildPartial() {
+      com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata result =
+          new com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata(this);
+      buildPartialRepeatedFields(result);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartialRepeatedFields(
+        com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata result) {
+      if (partialErrorsBuilder_ == null) {
+        if (((bitField0_ & 0x00000020) != 0)) {
+          partialErrors_ = java.util.Collections.unmodifiableList(partialErrors_);
+          bitField0_ = (bitField0_ & ~0x00000020);
+        }
+        result.partialErrors_ = partialErrors_;
+      } else {
+        result.partialErrors_ = partialErrorsBuilder_.build();
+      }
+    }
+
+    private void buildPartial0(
+        com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.generationType_ = generationType_;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.message_ = message_;
+      }
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000004) != 0)) {
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+        to_bitField0_ |= 0x00000001;
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+      if (((from_bitField0_ & 0x00000008) != 0)) {
+        result.endTime_ = endTimeBuilder_ == null ? endTime_ : endTimeBuilder_.build();
+        to_bitField0_ |= 0x00000002;
+      }
+      if (((from_bitField0_ & 0x00000010) != 0)) {
+        result.target_ = target_;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata) {
+        return mergeFrom((com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(
+        com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata other) {
+      if (other
+          == com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.getDefaultInstance())
+        return this;
+      if (other.generationType_ != 0) {
+        setGenerationTypeValue(other.getGenerationTypeValue());
+      }
+      if (!other.getMessage().isEmpty()) {
+        message_ = other.message_;
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      if (other.hasCreateTime()) {
+        mergeCreateTime(other.getCreateTime());
+      }
+      if (other.hasEndTime()) {
+        mergeEndTime(other.getEndTime());
+      }
+      if (!other.getTarget().isEmpty()) {
+        target_ = other.target_;
+        bitField0_ |= 0x00000010;
+        onChanged();
+      }
+      if (partialErrorsBuilder_ == null) {
+        if (!other.partialErrors_.isEmpty()) {
+          if (partialErrors_.isEmpty()) {
+            partialErrors_ = other.partialErrors_;
+            bitField0_ = (bitField0_ & ~0x00000020);
+          } else {
+            ensurePartialErrorsIsMutable();
+            partialErrors_.addAll(other.partialErrors_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.partialErrors_.isEmpty()) {
+          if (partialErrorsBuilder_.isEmpty()) {
+            partialErrorsBuilder_.dispose();
+            partialErrorsBuilder_ = null;
+            partialErrors_ = other.partialErrors_;
+            bitField0_ = (bitField0_ & ~0x00000020);
+            partialErrorsBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetPartialErrorsFieldBuilder()
+                    : null;
+          } else {
+            partialErrorsBuilder_.addAllMessages(other.partialErrors_);
+          }
+        }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 8:
+              {
+                generationType_ = input.readEnum();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 8
+            case 18:
+              {
+                message_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            case 26:
+              {
+                input.readMessage(
+                    internalGetCreateTimeFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 26
+            case 34:
+              {
+                input.readMessage(internalGetEndTimeFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 34
+            case 42:
+              {
+                target_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000010;
+                break;
+              } // case 42
+            case 50:
+              {
+                com.google.rpc.Status m =
+                    input.readMessage(com.google.rpc.Status.parser(), extensionRegistry);
+                if (partialErrorsBuilder_ == null) {
+                  ensurePartialErrorsIsMutable();
+                  partialErrors_.add(m);
+                } else {
+                  partialErrorsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 50
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private int generationType_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The type of the operation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType generation_type = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for generationType.
+     */
+    @java.lang.Override
+    public int getGenerationTypeValue() {
+      return generationType_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The type of the operation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType generation_type = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The enum numeric value on the wire for generationType to set.
+     * @return This builder for chaining.
+     */
+    public Builder setGenerationTypeValue(int value) {
+      generationType_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The type of the operation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType generation_type = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The generationType.
+     */
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType
+        getGenerationType() {
+      com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType result =
+          com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType.forNumber(
+              generationType_);
+      return result == null
+          ? com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType
+              .UNRECOGNIZED
+          : result;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The type of the operation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType generation_type = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The generationType to set.
+     * @return This builder for chaining.
+     */
+    public Builder setGenerationType(
+        com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      bitField0_ |= 0x00000001;
+      generationType_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The type of the operation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType generation_type = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearGenerationType() {
+      bitField0_ = (bitField0_ & ~0x00000001);
+      generationType_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object message_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Human-readable status of the operation, if any.
+     * </pre>
+     *
+     * <code>string message = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The message.
+     */
+    public java.lang.String getMessage() {
+      java.lang.Object ref = message_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        message_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Human-readable status of the operation, if any.
+     * </pre>
+     *
+     * <code>string message = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for message.
+     */
+    public com.google.protobuf.ByteString getMessageBytes() {
+      java.lang.Object ref = message_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        message_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Human-readable status of the operation, if any.
+     * </pre>
+     *
+     * <code>string message = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The message to set.
+     * @return This builder for chaining.
+     */
+    public Builder setMessage(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      message_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Human-readable status of the operation, if any.
+     * </pre>
+     *
+     * <code>string message = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearMessage() {
+      message_ = getDefaultInstance().getMessage();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Human-readable status of the operation, if any.
+     * </pre>
+     *
+     * <code>string message = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The bytes for message to set.
+     * @return This builder for chaining.
+     */
+    public Builder setMessageBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      message_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    private com.google.protobuf.Timestamp createTime_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        createTimeBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time the operation was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the createTime field is set.
+     */
+    public boolean hasCreateTime() {
+      return ((bitField0_ & 0x00000004) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time the operation was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The createTime.
+     */
+    public com.google.protobuf.Timestamp getCreateTime() {
+      if (createTimeBuilder_ == null) {
+        return createTime_ == null
+            ? com.google.protobuf.Timestamp.getDefaultInstance()
+            : createTime_;
+      } else {
+        return createTimeBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time the operation was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setCreateTime(com.google.protobuf.Timestamp value) {
+      if (createTimeBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        createTime_ = value;
+      } else {
+        createTimeBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time the operation was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setCreateTime(com.google.protobuf.Timestamp.Builder builderForValue) {
+      if (createTimeBuilder_ == null) {
+        createTime_ = builderForValue.build();
+      } else {
+        createTimeBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time the operation was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeCreateTime(com.google.protobuf.Timestamp value) {
+      if (createTimeBuilder_ == null) {
+        if (((bitField0_ & 0x00000004) != 0)
+            && createTime_ != null
+            && createTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
+          getCreateTimeBuilder().mergeFrom(value);
+        } else {
+          createTime_ = value;
+        }
+      } else {
+        createTimeBuilder_.mergeFrom(value);
+      }
+      if (createTime_ != null) {
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time the operation was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearCreateTime() {
+      bitField0_ = (bitField0_ & ~0x00000004);
+      createTime_ = null;
+      if (createTimeBuilder_ != null) {
+        createTimeBuilder_.dispose();
+        createTimeBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time the operation was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.protobuf.Timestamp.Builder getCreateTimeBuilder() {
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return internalGetCreateTimeFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time the operation was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
+      if (createTimeBuilder_ != null) {
+        return createTimeBuilder_.getMessageOrBuilder();
+      } else {
+        return createTime_ == null
+            ? com.google.protobuf.Timestamp.getDefaultInstance()
+            : createTime_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time the operation was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        internalGetCreateTimeFieldBuilder() {
+      if (createTimeBuilder_ == null) {
+        createTimeBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.protobuf.Timestamp,
+                com.google.protobuf.Timestamp.Builder,
+                com.google.protobuf.TimestampOrBuilder>(
+                getCreateTime(), getParentForChildren(), isClean());
+        createTime_ = null;
+      }
+      return createTimeBuilder_;
+    }
+
+    private com.google.protobuf.Timestamp endTime_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        endTimeBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time the operation finished running.
+     * </pre>
+     *
+     * <code>.google.protobuf.Timestamp end_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the endTime field is set.
+     */
+    public boolean hasEndTime() {
+      return ((bitField0_ & 0x00000008) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time the operation finished running.
+     * </pre>
+     *
+     * <code>.google.protobuf.Timestamp end_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The endTime.
+     */
+    public com.google.protobuf.Timestamp getEndTime() {
+      if (endTimeBuilder_ == null) {
+        return endTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : endTime_;
+      } else {
+        return endTimeBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time the operation finished running.
+     * </pre>
+     *
+     * <code>.google.protobuf.Timestamp end_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setEndTime(com.google.protobuf.Timestamp value) {
+      if (endTimeBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        endTime_ = value;
+      } else {
+        endTimeBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time the operation finished running.
+     * </pre>
+     *
+     * <code>.google.protobuf.Timestamp end_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setEndTime(com.google.protobuf.Timestamp.Builder builderForValue) {
+      if (endTimeBuilder_ == null) {
+        endTime_ = builderForValue.build();
+      } else {
+        endTimeBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time the operation finished running.
+     * </pre>
+     *
+     * <code>.google.protobuf.Timestamp end_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeEndTime(com.google.protobuf.Timestamp value) {
+      if (endTimeBuilder_ == null) {
+        if (((bitField0_ & 0x00000008) != 0)
+            && endTime_ != null
+            && endTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
+          getEndTimeBuilder().mergeFrom(value);
+        } else {
+          endTime_ = value;
+        }
+      } else {
+        endTimeBuilder_.mergeFrom(value);
+      }
+      if (endTime_ != null) {
+        bitField0_ |= 0x00000008;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time the operation finished running.
+     * </pre>
+     *
+     * <code>.google.protobuf.Timestamp end_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearEndTime() {
+      bitField0_ = (bitField0_ & ~0x00000008);
+      endTime_ = null;
+      if (endTimeBuilder_ != null) {
+        endTimeBuilder_.dispose();
+        endTimeBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time the operation finished running.
+     * </pre>
+     *
+     * <code>.google.protobuf.Timestamp end_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.protobuf.Timestamp.Builder getEndTimeBuilder() {
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return internalGetEndTimeFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time the operation finished running.
+     * </pre>
+     *
+     * <code>.google.protobuf.Timestamp end_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.protobuf.TimestampOrBuilder getEndTimeOrBuilder() {
+      if (endTimeBuilder_ != null) {
+        return endTimeBuilder_.getMessageOrBuilder();
+      } else {
+        return endTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : endTime_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time the operation finished running.
+     * </pre>
+     *
+     * <code>.google.protobuf.Timestamp end_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        internalGetEndTimeFieldBuilder() {
+      if (endTimeBuilder_ == null) {
+        endTimeBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.protobuf.Timestamp,
+                com.google.protobuf.Timestamp.Builder,
+                com.google.protobuf.TimestampOrBuilder>(
+                getEndTime(), getParentForChildren(), isClean());
+        endTime_ = null;
+      }
+      return endTimeBuilder_;
+    }
+
+    private java.lang.Object target_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the app that the operation is associated
+     * with. Format: `projects/{project}/locations/{location}/apps/{app}`.
+     * </pre>
+     *
+     * <code>string target = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The target.
+     */
+    public java.lang.String getTarget() {
+      java.lang.Object ref = target_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        target_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the app that the operation is associated
+     * with. Format: `projects/{project}/locations/{location}/apps/{app}`.
+     * </pre>
+     *
+     * <code>string target = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for target.
+     */
+    public com.google.protobuf.ByteString getTargetBytes() {
+      java.lang.Object ref = target_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        target_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the app that the operation is associated
+     * with. Format: `projects/{project}/locations/{location}/apps/{app}`.
+     * </pre>
+     *
+     * <code>string target = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The target to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTarget(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      target_ = value;
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the app that the operation is associated
+     * with. Format: `projects/{project}/locations/{location}/apps/{app}`.
+     * </pre>
+     *
+     * <code>string target = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearTarget() {
+      target_ = getDefaultInstance().getTarget();
+      bitField0_ = (bitField0_ & ~0x00000010);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the app that the operation is associated
+     * with. Format: `projects/{project}/locations/{location}/apps/{app}`.
+     * </pre>
+     *
+     * <code>string target = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The bytes for target to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTargetBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      target_ = value;
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
+    }
+
+    private java.util.List<com.google.rpc.Status> partialErrors_ =
+        java.util.Collections.emptyList();
+
+    private void ensurePartialErrorsIsMutable() {
+      if (!((bitField0_ & 0x00000020) != 0)) {
+        partialErrors_ = new java.util.ArrayList<com.google.rpc.Status>(partialErrors_);
+        bitField0_ |= 0x00000020;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.rpc.Status, com.google.rpc.Status.Builder, com.google.rpc.StatusOrBuilder>
+        partialErrorsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error messages from the resource generation process.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<com.google.rpc.Status> getPartialErrorsList() {
+      if (partialErrorsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(partialErrors_);
+      } else {
+        return partialErrorsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error messages from the resource generation process.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public int getPartialErrorsCount() {
+      if (partialErrorsBuilder_ == null) {
+        return partialErrors_.size();
+      } else {
+        return partialErrorsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error messages from the resource generation process.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.rpc.Status getPartialErrors(int index) {
+      if (partialErrorsBuilder_ == null) {
+        return partialErrors_.get(index);
+      } else {
+        return partialErrorsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error messages from the resource generation process.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setPartialErrors(int index, com.google.rpc.Status value) {
+      if (partialErrorsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensurePartialErrorsIsMutable();
+        partialErrors_.set(index, value);
+        onChanged();
+      } else {
+        partialErrorsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error messages from the resource generation process.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setPartialErrors(int index, com.google.rpc.Status.Builder builderForValue) {
+      if (partialErrorsBuilder_ == null) {
+        ensurePartialErrorsIsMutable();
+        partialErrors_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        partialErrorsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error messages from the resource generation process.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addPartialErrors(com.google.rpc.Status value) {
+      if (partialErrorsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensurePartialErrorsIsMutable();
+        partialErrors_.add(value);
+        onChanged();
+      } else {
+        partialErrorsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error messages from the resource generation process.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addPartialErrors(int index, com.google.rpc.Status value) {
+      if (partialErrorsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensurePartialErrorsIsMutable();
+        partialErrors_.add(index, value);
+        onChanged();
+      } else {
+        partialErrorsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error messages from the resource generation process.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addPartialErrors(com.google.rpc.Status.Builder builderForValue) {
+      if (partialErrorsBuilder_ == null) {
+        ensurePartialErrorsIsMutable();
+        partialErrors_.add(builderForValue.build());
+        onChanged();
+      } else {
+        partialErrorsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error messages from the resource generation process.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addPartialErrors(int index, com.google.rpc.Status.Builder builderForValue) {
+      if (partialErrorsBuilder_ == null) {
+        ensurePartialErrorsIsMutable();
+        partialErrors_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        partialErrorsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error messages from the resource generation process.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addAllPartialErrors(java.lang.Iterable<? extends com.google.rpc.Status> values) {
+      if (partialErrorsBuilder_ == null) {
+        ensurePartialErrorsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, partialErrors_);
+        onChanged();
+      } else {
+        partialErrorsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error messages from the resource generation process.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearPartialErrors() {
+      if (partialErrorsBuilder_ == null) {
+        partialErrors_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000020);
+        onChanged();
+      } else {
+        partialErrorsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error messages from the resource generation process.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder removePartialErrors(int index) {
+      if (partialErrorsBuilder_ == null) {
+        ensurePartialErrorsIsMutable();
+        partialErrors_.remove(index);
+        onChanged();
+      } else {
+        partialErrorsBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error messages from the resource generation process.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.rpc.Status.Builder getPartialErrorsBuilder(int index) {
+      return internalGetPartialErrorsFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error messages from the resource generation process.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.rpc.StatusOrBuilder getPartialErrorsOrBuilder(int index) {
+      if (partialErrorsBuilder_ == null) {
+        return partialErrors_.get(index);
+      } else {
+        return partialErrorsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error messages from the resource generation process.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<? extends com.google.rpc.StatusOrBuilder>
+        getPartialErrorsOrBuilderList() {
+      if (partialErrorsBuilder_ != null) {
+        return partialErrorsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(partialErrors_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error messages from the resource generation process.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.rpc.Status.Builder addPartialErrorsBuilder() {
+      return internalGetPartialErrorsFieldBuilder()
+          .addBuilder(com.google.rpc.Status.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error messages from the resource generation process.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.rpc.Status.Builder addPartialErrorsBuilder(int index) {
+      return internalGetPartialErrorsFieldBuilder()
+          .addBuilder(index, com.google.rpc.Status.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error messages from the resource generation process.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<com.google.rpc.Status.Builder> getPartialErrorsBuilderList() {
+      return internalGetPartialErrorsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.rpc.Status, com.google.rpc.Status.Builder, com.google.rpc.StatusOrBuilder>
+        internalGetPartialErrorsFieldBuilder() {
+      if (partialErrorsBuilder_ == null) {
+        partialErrorsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.rpc.Status,
+                com.google.rpc.Status.Builder,
+                com.google.rpc.StatusOrBuilder>(
+                partialErrors_,
+                ((bitField0_ & 0x00000020) != 0),
+                getParentForChildren(),
+                isClean());
+        partialErrors_ = null;
+      }
+      return partialErrorsBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata)
+  private static final com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata
+      DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata();
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata
+      getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<GenerateAppResourceOperationMetadata> PARSER =
+      new com.google.protobuf.AbstractParser<GenerateAppResourceOperationMetadata>() {
+        @java.lang.Override
+        public GenerateAppResourceOperationMetadata parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<GenerateAppResourceOperationMetadata> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<GenerateAppResourceOperationMetadata> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata
+      getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GenerateAppResourceOperationMetadataOrBuilder.java b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GenerateAppResourceOperationMetadataOrBuilder.java
new file mode 100644
index 000000000000..b6e3c459fcbe
--- /dev/null
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GenerateAppResourceOperationMetadataOrBuilder.java
@@ -0,0 +1,258 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/ces/v1beta/agent_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.ces.v1beta;
+
+@com.google.protobuf.Generated
+public interface GenerateAppResourceOperationMetadataOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The type of the operation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType generation_type = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for generationType.
+   */
+  int getGenerationTypeValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The type of the operation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType generation_type = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The generationType.
+   */
+  com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata.GenerationType
+      getGenerationType();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Human-readable status of the operation, if any.
+   * </pre>
+   *
+   * <code>string message = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The message.
+   */
+  java.lang.String getMessage();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Human-readable status of the operation, if any.
+   * </pre>
+   *
+   * <code>string message = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for message.
+   */
+  com.google.protobuf.ByteString getMessageBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The time the operation was created.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp create_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the createTime field is set.
+   */
+  boolean hasCreateTime();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The time the operation was created.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp create_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The createTime.
+   */
+  com.google.protobuf.Timestamp getCreateTime();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The time the operation was created.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp create_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The time the operation finished running.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp end_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the endTime field is set.
+   */
+  boolean hasEndTime();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The time the operation finished running.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp end_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The endTime.
+   */
+  com.google.protobuf.Timestamp getEndTime();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The time the operation finished running.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp end_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.protobuf.TimestampOrBuilder getEndTimeOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The resource name of the app that the operation is associated
+   * with. Format: `projects/{project}/locations/{location}/apps/{app}`.
+   * </pre>
+   *
+   * <code>string target = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The target.
+   */
+  java.lang.String getTarget();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The resource name of the app that the operation is associated
+   * with. Format: `projects/{project}/locations/{location}/apps/{app}`.
+   * </pre>
+   *
+   * <code>string target = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for target.
+   */
+  com.google.protobuf.ByteString getTargetBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Error messages from the resource generation process.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  java.util.List<com.google.rpc.Status> getPartialErrorsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Error messages from the resource generation process.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.rpc.Status getPartialErrors(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Error messages from the resource generation process.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  int getPartialErrorsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Error messages from the resource generation process.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  java.util.List<? extends com.google.rpc.StatusOrBuilder> getPartialErrorsOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Error messages from the resource generation process.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.rpc.Status partial_errors = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.rpc.StatusOrBuilder getPartialErrorsOrBuilder(int index);
+}
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GenerateAppResourceRequest.java b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GenerateAppResourceRequest.java
new file mode 100644
index 000000000000..4f0a6ed6c095
--- /dev/null
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GenerateAppResourceRequest.java
@@ -0,0 +1,14450 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/ces/v1beta/agent_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.ces.v1beta;
+
+/**
+ *
+ *
+ * <pre>
+ * Request message for
+ * [AgentService.GenerateAppResource][google.cloud.ces.v1beta.AgentService.GenerateAppResource].
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.ces.v1beta.GenerateAppResourceRequest}
+ */
+@com.google.protobuf.Generated
+public final class GenerateAppResourceRequest extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest)
+    GenerateAppResourceRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "GenerateAppResourceRequest");
+  }
+
+  // Use GenerateAppResourceRequest.newBuilder() to construct.
+  private GenerateAppResourceRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private GenerateAppResourceRequest() {
+    parent_ = "";
+    refineInstructions_ = java.util.Collections.emptyList();
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.ces.v1beta.AgentServiceProto
+        .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_descriptor;
+  }
+
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+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
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+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.class,
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+  }
+
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+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The first character (inclusive) of the text to refine.
+     * </pre>
+     *
+     * <code>int64 start_index = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
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+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The last character (inclusive) of the text to refine.
+     * </pre>
+     *
+     * <code>int64 end_index = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The endIndex.
+     */
+    long getEndIndex();
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The field of the resource being refined. Only one field is
+     * allowed per RefineInstructions. If refining agent instructions, the field
+     * mask should be "instructions".
+     * </pre>
+     *
+     * <code>.google.protobuf.FieldMask field_mask = 3 [(.google.api.field_behavior) = REQUIRED];
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+     *
+     * @return Whether the fieldMask field is set.
+     */
+    boolean hasFieldMask();
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The field of the resource being refined. Only one field is
+     * allowed per RefineInstructions. If refining agent instructions, the field
+     * mask should be "instructions".
+     * </pre>
+     *
+     * <code>.google.protobuf.FieldMask field_mask = 3 [(.google.api.field_behavior) = REQUIRED];
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+     *
+     * @return The fieldMask.
+     */
+    com.google.protobuf.FieldMask getFieldMask();
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The field of the resource being refined. Only one field is
+     * allowed per RefineInstructions. If refining agent instructions, the field
+     * mask should be "instructions".
+     * </pre>
+     *
+     * <code>.google.protobuf.FieldMask field_mask = 3 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    com.google.protobuf.FieldMaskOrBuilder getFieldMaskOrBuilder();
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The instructions to refine the resource.
+     * </pre>
+     *
+     * <code>string instructions = 4 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The instructions.
+     */
+    java.lang.String getInstructions();
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The instructions to refine the resource.
+     * </pre>
+     *
+     * <code>string instructions = 4 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The bytes for instructions.
+     */
+    com.google.protobuf.ByteString getInstructionsBytes();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The instructions to be used to refine a part of the resource. The part of
+   * the resource can be specified  with a start index, end index and a field
+   * mask. For example, if you want to refine a part of the agent instructions
+   * you can specify the index of the first character of the instructions, the
+   * index of the last character of the instructions and the field mask as
+   * "instructions".
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions}
+   */
+  public static final class RefineInstructions extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions)
+      RefineInstructionsOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
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+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "RefineInstructions");
+    }
+
+    // Use RefineInstructions.newBuilder() to construct.
+    private RefineInstructions(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private RefineInstructions() {
+      instructions_ = "";
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.ces.v1beta.AgentServiceProto
+          .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_RefineInstructions_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
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+          .ensureFieldAccessorsInitialized(
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+     *
+     * <pre>
+     * Required. The first character (inclusive) of the text to refine.
+     * </pre>
+     *
+     * <code>int64 start_index = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The startIndex.
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+
+    public static final int END_INDEX_FIELD_NUMBER = 2;
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+    /**
+     *
+     *
+     * <pre>
+     * Required. The last character (inclusive) of the text to refine.
+     * </pre>
+     *
+     * <code>int64 end_index = 2 [(.google.api.field_behavior) = REQUIRED];</code>
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+     *
+     * <pre>
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+     * <code>.google.protobuf.FieldMask field_mask = 3 [(.google.api.field_behavior) = REQUIRED];
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+     * @return Whether the fieldMask field is set.
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+     *
+     * <pre>
+     * Required. The field of the resource being refined. Only one field is
+     * allowed per RefineInstructions. If refining agent instructions, the field
+     * mask should be "instructions".
+     * </pre>
+     *
+     * <code>.google.protobuf.FieldMask field_mask = 3 [(.google.api.field_behavior) = REQUIRED];
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+     *
+     *
+     * <pre>
+     * Required. The field of the resource being refined. Only one field is
+     * allowed per RefineInstructions. If refining agent instructions, the field
+     * mask should be "instructions".
+     * </pre>
+     *
+     * <code>.google.protobuf.FieldMask field_mask = 3 [(.google.api.field_behavior) = REQUIRED];
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+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The instructions to refine the resource.
+     * </pre>
+     *
+     * <code>string instructions = 4 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The instructions.
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+    public java.lang.String getInstructions() {
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+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The instructions to refine the resource.
+     * </pre>
+     *
+     * <code>string instructions = 4 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The bytes for instructions.
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+    public boolean equals(final java.lang.Object obj) {
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+        return true;
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+      if (!(obj
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+      if (hasFieldMask() != other.hasFieldMask()) return false;
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+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+        parseFrom(java.nio.ByteBuffer data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+        parseFrom(
+            java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+        parseFrom(com.google.protobuf.ByteString data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+        parseFrom(
+            com.google.protobuf.ByteString data,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+        parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+        parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+        parseFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+        parseFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
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+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+        parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+        parseFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
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+    public Builder newBuilderForType() {
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+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
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+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
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+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The instructions to be used to refine a part of the resource. The part of
+     * the resource can be specified  with a start index, end index and a field
+     * mask. For example, if you want to refine a part of the agent instructions
+     * you can specify the index of the first character of the instructions, the
+     * index of the last character of the instructions and the field mask as
+     * "instructions".
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions)
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructionsOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_RefineInstructions_descriptor;
+      }
+
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+      }
+
+      // Construct using
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+      private Builder() {
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+      }
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+        instructions_ = "";
+        return this;
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+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_RefineInstructions_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
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+
+      @java.lang.Override
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+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
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+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions other) {
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+                .getDefaultInstance()) return this;
+        if (other.getStartIndex() != 0L) {
+          setStartIndex(other.getStartIndex());
+        }
+        if (other.getEndIndex() != 0L) {
+          setEndIndex(other.getEndIndex());
+        }
+        if (other.hasFieldMask()) {
+          mergeFieldMask(other.getFieldMask());
+        }
+        if (!other.getInstructions().isEmpty()) {
+          instructions_ = other.instructions_;
+          bitField0_ |= 0x00000008;
+          onChanged();
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 8:
+                {
+                  startIndex_ = input.readInt64();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 8
+              case 16:
+                {
+                  endIndex_ = input.readInt64();
+                  bitField0_ |= 0x00000002;
+                  break;
+                } // case 16
+              case 26:
+                {
+                  input.readMessage(
+                      internalGetFieldMaskFieldBuilder().getBuilder(), extensionRegistry);
+                  bitField0_ |= 0x00000004;
+                  break;
+                } // case 26
+              case 34:
+                {
+                  instructions_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000008;
+                  break;
+                } // case 34
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private long startIndex_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The first character (inclusive) of the text to refine.
+       * </pre>
+       *
+       * <code>int64 start_index = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @return The startIndex.
+       */
+      @java.lang.Override
+      public long getStartIndex() {
+        return startIndex_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The first character (inclusive) of the text to refine.
+       * </pre>
+       *
+       * <code>int64 start_index = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @param value The startIndex to set.
+       * @return This builder for chaining.
+       */
+      public Builder setStartIndex(long value) {
+
+        startIndex_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The first character (inclusive) of the text to refine.
+       * </pre>
+       *
+       * <code>int64 start_index = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearStartIndex() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        startIndex_ = 0L;
+        onChanged();
+        return this;
+      }
+
+      private long endIndex_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The last character (inclusive) of the text to refine.
+       * </pre>
+       *
+       * <code>int64 end_index = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @return The endIndex.
+       */
+      @java.lang.Override
+      public long getEndIndex() {
+        return endIndex_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The last character (inclusive) of the text to refine.
+       * </pre>
+       *
+       * <code>int64 end_index = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @param value The endIndex to set.
+       * @return This builder for chaining.
+       */
+      public Builder setEndIndex(long value) {
+
+        endIndex_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The last character (inclusive) of the text to refine.
+       * </pre>
+       *
+       * <code>int64 end_index = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearEndIndex() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        endIndex_ = 0L;
+        onChanged();
+        return this;
+      }
+
+      private com.google.protobuf.FieldMask fieldMask_;
+      private com.google.protobuf.SingleFieldBuilder<
+              com.google.protobuf.FieldMask,
+              com.google.protobuf.FieldMask.Builder,
+              com.google.protobuf.FieldMaskOrBuilder>
+          fieldMaskBuilder_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The field of the resource being refined. Only one field is
+       * allowed per RefineInstructions. If refining agent instructions, the field
+       * mask should be "instructions".
+       * </pre>
+       *
+       * <code>.google.protobuf.FieldMask field_mask = 3 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       *
+       * @return Whether the fieldMask field is set.
+       */
+      public boolean hasFieldMask() {
+        return ((bitField0_ & 0x00000004) != 0);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The field of the resource being refined. Only one field is
+       * allowed per RefineInstructions. If refining agent instructions, the field
+       * mask should be "instructions".
+       * </pre>
+       *
+       * <code>.google.protobuf.FieldMask field_mask = 3 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       *
+       * @return The fieldMask.
+       */
+      public com.google.protobuf.FieldMask getFieldMask() {
+        if (fieldMaskBuilder_ == null) {
+          return fieldMask_ == null
+              ? com.google.protobuf.FieldMask.getDefaultInstance()
+              : fieldMask_;
+        } else {
+          return fieldMaskBuilder_.getMessage();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The field of the resource being refined. Only one field is
+       * allowed per RefineInstructions. If refining agent instructions, the field
+       * mask should be "instructions".
+       * </pre>
+       *
+       * <code>.google.protobuf.FieldMask field_mask = 3 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      public Builder setFieldMask(com.google.protobuf.FieldMask value) {
+        if (fieldMaskBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          fieldMask_ = value;
+        } else {
+          fieldMaskBuilder_.setMessage(value);
+        }
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The field of the resource being refined. Only one field is
+       * allowed per RefineInstructions. If refining agent instructions, the field
+       * mask should be "instructions".
+       * </pre>
+       *
+       * <code>.google.protobuf.FieldMask field_mask = 3 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      public Builder setFieldMask(com.google.protobuf.FieldMask.Builder builderForValue) {
+        if (fieldMaskBuilder_ == null) {
+          fieldMask_ = builderForValue.build();
+        } else {
+          fieldMaskBuilder_.setMessage(builderForValue.build());
+        }
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The field of the resource being refined. Only one field is
+       * allowed per RefineInstructions. If refining agent instructions, the field
+       * mask should be "instructions".
+       * </pre>
+       *
+       * <code>.google.protobuf.FieldMask field_mask = 3 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      public Builder mergeFieldMask(com.google.protobuf.FieldMask value) {
+        if (fieldMaskBuilder_ == null) {
+          if (((bitField0_ & 0x00000004) != 0)
+              && fieldMask_ != null
+              && fieldMask_ != com.google.protobuf.FieldMask.getDefaultInstance()) {
+            getFieldMaskBuilder().mergeFrom(value);
+          } else {
+            fieldMask_ = value;
+          }
+        } else {
+          fieldMaskBuilder_.mergeFrom(value);
+        }
+        if (fieldMask_ != null) {
+          bitField0_ |= 0x00000004;
+          onChanged();
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The field of the resource being refined. Only one field is
+       * allowed per RefineInstructions. If refining agent instructions, the field
+       * mask should be "instructions".
+       * </pre>
+       *
+       * <code>.google.protobuf.FieldMask field_mask = 3 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      public Builder clearFieldMask() {
+        bitField0_ = (bitField0_ & ~0x00000004);
+        fieldMask_ = null;
+        if (fieldMaskBuilder_ != null) {
+          fieldMaskBuilder_.dispose();
+          fieldMaskBuilder_ = null;
+        }
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The field of the resource being refined. Only one field is
+       * allowed per RefineInstructions. If refining agent instructions, the field
+       * mask should be "instructions".
+       * </pre>
+       *
+       * <code>.google.protobuf.FieldMask field_mask = 3 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      public com.google.protobuf.FieldMask.Builder getFieldMaskBuilder() {
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return internalGetFieldMaskFieldBuilder().getBuilder();
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The field of the resource being refined. Only one field is
+       * allowed per RefineInstructions. If refining agent instructions, the field
+       * mask should be "instructions".
+       * </pre>
+       *
+       * <code>.google.protobuf.FieldMask field_mask = 3 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      public com.google.protobuf.FieldMaskOrBuilder getFieldMaskOrBuilder() {
+        if (fieldMaskBuilder_ != null) {
+          return fieldMaskBuilder_.getMessageOrBuilder();
+        } else {
+          return fieldMask_ == null
+              ? com.google.protobuf.FieldMask.getDefaultInstance()
+              : fieldMask_;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The field of the resource being refined. Only one field is
+       * allowed per RefineInstructions. If refining agent instructions, the field
+       * mask should be "instructions".
+       * </pre>
+       *
+       * <code>.google.protobuf.FieldMask field_mask = 3 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      private com.google.protobuf.SingleFieldBuilder<
+              com.google.protobuf.FieldMask,
+              com.google.protobuf.FieldMask.Builder,
+              com.google.protobuf.FieldMaskOrBuilder>
+          internalGetFieldMaskFieldBuilder() {
+        if (fieldMaskBuilder_ == null) {
+          fieldMaskBuilder_ =
+              new com.google.protobuf.SingleFieldBuilder<
+                  com.google.protobuf.FieldMask,
+                  com.google.protobuf.FieldMask.Builder,
+                  com.google.protobuf.FieldMaskOrBuilder>(
+                  getFieldMask(), getParentForChildren(), isClean());
+          fieldMask_ = null;
+        }
+        return fieldMaskBuilder_;
+      }
+
+      private java.lang.Object instructions_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The instructions to refine the resource.
+       * </pre>
+       *
+       * <code>string instructions = 4 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @return The instructions.
+       */
+      public java.lang.String getInstructions() {
+        java.lang.Object ref = instructions_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          instructions_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The instructions to refine the resource.
+       * </pre>
+       *
+       * <code>string instructions = 4 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @return The bytes for instructions.
+       */
+      public com.google.protobuf.ByteString getInstructionsBytes() {
+        java.lang.Object ref = instructions_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          instructions_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The instructions to refine the resource.
+       * </pre>
+       *
+       * <code>string instructions = 4 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @param value The instructions to set.
+       * @return This builder for chaining.
+       */
+      public Builder setInstructions(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        instructions_ = value;
+        bitField0_ |= 0x00000008;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The instructions to refine the resource.
+       * </pre>
+       *
+       * <code>string instructions = 4 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearInstructions() {
+        instructions_ = getDefaultInstance().getInstructions();
+        bitField0_ = (bitField0_ & ~0x00000008);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The instructions to refine the resource.
+       * </pre>
+       *
+       * <code>string instructions = 4 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @param value The bytes for instructions to set.
+       * @return This builder for chaining.
+       */
+      public Builder setInstructionsBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        instructions_ = value;
+        bitField0_ |= 0x00000008;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions)
+    private static final com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE =
+          new com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions();
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<RefineInstructions> PARSER =
+        new com.google.protobuf.AbstractParser<RefineInstructions>() {
+          @java.lang.Override
+          public RefineInstructions parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<RefineInstructions> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<RefineInstructions> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  public interface ToolGenerationConfigOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The context which describes the tool to be generated. This can
+     * be empty if the tool request &amp; response are provided.
+     * </pre>
+     *
+     * <code>string context = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The context.
+     */
+    java.lang.String getContext();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The context which describes the tool to be generated. This can
+     * be empty if the tool request &amp; response are provided.
+     * </pre>
+     *
+     * <code>string context = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for context.
+     */
+    com.google.protobuf.ByteString getContextBytes();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    java.util.List<com.google.cloud.ces.v1beta.FileContext> getFileContextsList();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    com.google.cloud.ces.v1beta.FileContext getFileContexts(int index);
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    int getFileContextsCount();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    java.util.List<? extends com.google.cloud.ces.v1beta.FileContextOrBuilder>
+        getFileContextsOrBuilderList();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    com.google.cloud.ces.v1beta.FileContextOrBuilder getFileContextsOrBuilder(int index);
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate an Open API schema.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig open_api_toolset_generation_config = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the openApiToolsetGenerationConfig field is set.
+     */
+    boolean hasOpenApiToolsetGenerationConfig();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate an Open API schema.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig open_api_toolset_generation_config = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The openApiToolsetGenerationConfig.
+     */
+    com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+            .OpenApiToolsetGenerationConfig
+        getOpenApiToolsetGenerationConfig();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate an Open API schema.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig open_api_toolset_generation_config = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+            .OpenApiToolsetGenerationConfigOrBuilder
+        getOpenApiToolsetGenerationConfigOrBuilder();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration to be used to generate a tool.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig}
+   */
+  public static final class ToolGenerationConfig extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig)
+      ToolGenerationConfigOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "ToolGenerationConfig");
+    }
+
+    // Use ToolGenerationConfig.newBuilder() to construct.
+    private ToolGenerationConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private ToolGenerationConfig() {
+      context_ = "";
+      fileContexts_ = java.util.Collections.emptyList();
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.ces.v1beta.AgentServiceProto
+          .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.ces.v1beta.AgentServiceProto
+          .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.class,
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.Builder
+                  .class);
+    }
+
+    public interface OpenApiToolsetGenerationConfigOrBuilder
+        extends
+        // @@protoc_insertion_point(interface_extends:google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig)
+        com.google.protobuf.MessageOrBuilder {
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The base uri of the tool.
+       * </pre>
+       *
+       * <code>string uri = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @return The uri.
+       */
+      java.lang.String getUri();
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The base uri of the tool.
+       * </pre>
+       *
+       * <code>string uri = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @return The bytes for uri.
+       */
+      com.google.protobuf.ByteString getUriBytes();
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The list of operations to be added to the Open API schema.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      java.util.List<
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig.OperationGenerationConfig>
+          getOperationGenerationConfigsList();
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The list of operations to be added to the Open API schema.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+          getOperationGenerationConfigs(int index);
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The list of operations to be added to the Open API schema.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      int getOperationGenerationConfigsCount();
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The list of operations to be added to the Open API schema.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      java.util.List<
+              ? extends
+                  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                      .OpenApiToolsetGenerationConfig.OperationGenerationConfigOrBuilder>
+          getOperationGenerationConfigsOrBuilderList();
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The list of operations to be added to the Open API schema.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig.OperationGenerationConfigOrBuilder
+          getOperationGenerationConfigsOrBuilder(int index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration to be used to generate an Open API schema.
+     * </pre>
+     *
+     * Protobuf type {@code
+     * google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig}
+     */
+    public static final class OpenApiToolsetGenerationConfig
+        extends com.google.protobuf.GeneratedMessage
+        implements
+        // @@protoc_insertion_point(message_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig)
+        OpenApiToolsetGenerationConfigOrBuilder {
+      private static final long serialVersionUID = 0L;
+
+      static {
+        com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+            com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+            /* major= */ 4,
+            /* minor= */ 33,
+            /* patch= */ 2,
+            /* suffix= */ "",
+            "OpenApiToolsetGenerationConfig");
+      }
+
+      // Use OpenApiToolsetGenerationConfig.newBuilder() to construct.
+      private OpenApiToolsetGenerationConfig(
+          com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+        super(builder);
+      }
+
+      private OpenApiToolsetGenerationConfig() {
+        uri_ = "";
+        operationGenerationConfigs_ = java.util.Collections.emptyList();
+      }
+
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.class,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.Builder.class);
+      }
+
+      public interface OperationGenerationConfigOrBuilder
+          extends
+          // @@protoc_insertion_point(interface_extends:google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig)
+          com.google.protobuf.MessageOrBuilder {
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The uri of the tool. This should include query and path
+         * parameters if any.
+         * </pre>
+         *
+         * <code>string method = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @return The method.
+         */
+        java.lang.String getMethod();
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The uri of the tool. This should include query and path
+         * parameters if any.
+         * </pre>
+         *
+         * <code>string method = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @return The bytes for method.
+         */
+        com.google.protobuf.ByteString getMethodBytes();
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The path of the tool to be appended to the base uri. This
+         * should include query and path parameters if any.
+         * </pre>
+         *
+         * <code>string path = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @return The path.
+         */
+        java.lang.String getPath();
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The path of the tool to be appended to the base uri. This
+         * should include query and path parameters if any.
+         * </pre>
+         *
+         * <code>string path = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @return The bytes for path.
+         */
+        com.google.protobuf.ByteString getPathBytes();
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. A sample request to the tool in JSON format. Skip if the
+         * tool does not support request body.
+         * </pre>
+         *
+         * <code>string request_json = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @return The requestJson.
+         */
+        java.lang.String getRequestJson();
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. A sample request to the tool in JSON format. Skip if the
+         * tool does not support request body.
+         * </pre>
+         *
+         * <code>string request_json = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @return The bytes for requestJson.
+         */
+        com.google.protobuf.ByteString getRequestJsonBytes();
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. A sample response from the tool in JSON format.
+         * </pre>
+         *
+         * <code>string response_json = 4 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @return The responseJson.
+         */
+        java.lang.String getResponseJson();
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. A sample response from the tool in JSON format.
+         * </pre>
+         *
+         * <code>string response_json = 4 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @return The bytes for responseJson.
+         */
+        com.google.protobuf.ByteString getResponseJsonBytes();
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The configuration to be used to generate an operation in the Open API
+       * schema.
+       * </pre>
+       *
+       * Protobuf type {@code
+       * google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig}
+       */
+      public static final class OperationGenerationConfig
+          extends com.google.protobuf.GeneratedMessage
+          implements
+          // @@protoc_insertion_point(message_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig)
+          OperationGenerationConfigOrBuilder {
+        private static final long serialVersionUID = 0L;
+
+        static {
+          com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+              com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+              /* major= */ 4,
+              /* minor= */ 33,
+              /* patch= */ 2,
+              /* suffix= */ "",
+              "OperationGenerationConfig");
+        }
+
+        // Use OperationGenerationConfig.newBuilder() to construct.
+        private OperationGenerationConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+          super(builder);
+        }
+
+        private OperationGenerationConfig() {
+          method_ = "";
+          path_ = "";
+          requestJson_ = "";
+          responseJson_ = "";
+        }
+
+        public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+          return com.google.cloud.ces.v1beta.AgentServiceProto
+              .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_OperationGenerationConfig_descriptor;
+        }
+
+        @java.lang.Override
+        protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+            internalGetFieldAccessorTable() {
+          return com.google.cloud.ces.v1beta.AgentServiceProto
+              .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_OperationGenerationConfig_fieldAccessorTable
+              .ensureFieldAccessorsInitialized(
+                  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                      .OpenApiToolsetGenerationConfig.OperationGenerationConfig.class,
+                  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                      .OpenApiToolsetGenerationConfig.OperationGenerationConfig.Builder.class);
+        }
+
+        public static final int METHOD_FIELD_NUMBER = 1;
+
+        @SuppressWarnings("serial")
+        private volatile java.lang.Object method_ = "";
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The uri of the tool. This should include query and path
+         * parameters if any.
+         * </pre>
+         *
+         * <code>string method = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @return The method.
+         */
+        @java.lang.Override
+        public java.lang.String getMethod() {
+          java.lang.Object ref = method_;
+          if (ref instanceof java.lang.String) {
+            return (java.lang.String) ref;
+          } else {
+            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+            java.lang.String s = bs.toStringUtf8();
+            method_ = s;
+            return s;
+          }
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The uri of the tool. This should include query and path
+         * parameters if any.
+         * </pre>
+         *
+         * <code>string method = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @return The bytes for method.
+         */
+        @java.lang.Override
+        public com.google.protobuf.ByteString getMethodBytes() {
+          java.lang.Object ref = method_;
+          if (ref instanceof java.lang.String) {
+            com.google.protobuf.ByteString b =
+                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+            method_ = b;
+            return b;
+          } else {
+            return (com.google.protobuf.ByteString) ref;
+          }
+        }
+
+        public static final int PATH_FIELD_NUMBER = 2;
+
+        @SuppressWarnings("serial")
+        private volatile java.lang.Object path_ = "";
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The path of the tool to be appended to the base uri. This
+         * should include query and path parameters if any.
+         * </pre>
+         *
+         * <code>string path = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @return The path.
+         */
+        @java.lang.Override
+        public java.lang.String getPath() {
+          java.lang.Object ref = path_;
+          if (ref instanceof java.lang.String) {
+            return (java.lang.String) ref;
+          } else {
+            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+            java.lang.String s = bs.toStringUtf8();
+            path_ = s;
+            return s;
+          }
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The path of the tool to be appended to the base uri. This
+         * should include query and path parameters if any.
+         * </pre>
+         *
+         * <code>string path = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @return The bytes for path.
+         */
+        @java.lang.Override
+        public com.google.protobuf.ByteString getPathBytes() {
+          java.lang.Object ref = path_;
+          if (ref instanceof java.lang.String) {
+            com.google.protobuf.ByteString b =
+                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+            path_ = b;
+            return b;
+          } else {
+            return (com.google.protobuf.ByteString) ref;
+          }
+        }
+
+        public static final int REQUEST_JSON_FIELD_NUMBER = 3;
+
+        @SuppressWarnings("serial")
+        private volatile java.lang.Object requestJson_ = "";
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. A sample request to the tool in JSON format. Skip if the
+         * tool does not support request body.
+         * </pre>
+         *
+         * <code>string request_json = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @return The requestJson.
+         */
+        @java.lang.Override
+        public java.lang.String getRequestJson() {
+          java.lang.Object ref = requestJson_;
+          if (ref instanceof java.lang.String) {
+            return (java.lang.String) ref;
+          } else {
+            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+            java.lang.String s = bs.toStringUtf8();
+            requestJson_ = s;
+            return s;
+          }
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. A sample request to the tool in JSON format. Skip if the
+         * tool does not support request body.
+         * </pre>
+         *
+         * <code>string request_json = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @return The bytes for requestJson.
+         */
+        @java.lang.Override
+        public com.google.protobuf.ByteString getRequestJsonBytes() {
+          java.lang.Object ref = requestJson_;
+          if (ref instanceof java.lang.String) {
+            com.google.protobuf.ByteString b =
+                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+            requestJson_ = b;
+            return b;
+          } else {
+            return (com.google.protobuf.ByteString) ref;
+          }
+        }
+
+        public static final int RESPONSE_JSON_FIELD_NUMBER = 4;
+
+        @SuppressWarnings("serial")
+        private volatile java.lang.Object responseJson_ = "";
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. A sample response from the tool in JSON format.
+         * </pre>
+         *
+         * <code>string response_json = 4 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @return The responseJson.
+         */
+        @java.lang.Override
+        public java.lang.String getResponseJson() {
+          java.lang.Object ref = responseJson_;
+          if (ref instanceof java.lang.String) {
+            return (java.lang.String) ref;
+          } else {
+            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+            java.lang.String s = bs.toStringUtf8();
+            responseJson_ = s;
+            return s;
+          }
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. A sample response from the tool in JSON format.
+         * </pre>
+         *
+         * <code>string response_json = 4 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @return The bytes for responseJson.
+         */
+        @java.lang.Override
+        public com.google.protobuf.ByteString getResponseJsonBytes() {
+          java.lang.Object ref = responseJson_;
+          if (ref instanceof java.lang.String) {
+            com.google.protobuf.ByteString b =
+                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+            responseJson_ = b;
+            return b;
+          } else {
+            return (com.google.protobuf.ByteString) ref;
+          }
+        }
+
+        private byte memoizedIsInitialized = -1;
+
+        @java.lang.Override
+        public final boolean isInitialized() {
+          byte isInitialized = memoizedIsInitialized;
+          if (isInitialized == 1) return true;
+          if (isInitialized == 0) return false;
+
+          memoizedIsInitialized = 1;
+          return true;
+        }
+
+        @java.lang.Override
+        public void writeTo(com.google.protobuf.CodedOutputStream output)
+            throws java.io.IOException {
+          if (!com.google.protobuf.GeneratedMessage.isStringEmpty(method_)) {
+            com.google.protobuf.GeneratedMessage.writeString(output, 1, method_);
+          }
+          if (!com.google.protobuf.GeneratedMessage.isStringEmpty(path_)) {
+            com.google.protobuf.GeneratedMessage.writeString(output, 2, path_);
+          }
+          if (!com.google.protobuf.GeneratedMessage.isStringEmpty(requestJson_)) {
+            com.google.protobuf.GeneratedMessage.writeString(output, 3, requestJson_);
+          }
+          if (!com.google.protobuf.GeneratedMessage.isStringEmpty(responseJson_)) {
+            com.google.protobuf.GeneratedMessage.writeString(output, 4, responseJson_);
+          }
+          getUnknownFields().writeTo(output);
+        }
+
+        @java.lang.Override
+        public int getSerializedSize() {
+          int size = memoizedSize;
+          if (size != -1) return size;
+
+          size = 0;
+          if (!com.google.protobuf.GeneratedMessage.isStringEmpty(method_)) {
+            size += com.google.protobuf.GeneratedMessage.computeStringSize(1, method_);
+          }
+          if (!com.google.protobuf.GeneratedMessage.isStringEmpty(path_)) {
+            size += com.google.protobuf.GeneratedMessage.computeStringSize(2, path_);
+          }
+          if (!com.google.protobuf.GeneratedMessage.isStringEmpty(requestJson_)) {
+            size += com.google.protobuf.GeneratedMessage.computeStringSize(3, requestJson_);
+          }
+          if (!com.google.protobuf.GeneratedMessage.isStringEmpty(responseJson_)) {
+            size += com.google.protobuf.GeneratedMessage.computeStringSize(4, responseJson_);
+          }
+          size += getUnknownFields().getSerializedSize();
+          memoizedSize = size;
+          return size;
+        }
+
+        @java.lang.Override
+        public boolean equals(final java.lang.Object obj) {
+          if (obj == this) {
+            return true;
+          }
+          if (!(obj
+              instanceof
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig.OperationGenerationConfig)) {
+            return super.equals(obj);
+          }
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+              other =
+                  (com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                          .OpenApiToolsetGenerationConfig.OperationGenerationConfig)
+                      obj;
+
+          if (!getMethod().equals(other.getMethod())) return false;
+          if (!getPath().equals(other.getPath())) return false;
+          if (!getRequestJson().equals(other.getRequestJson())) return false;
+          if (!getResponseJson().equals(other.getResponseJson())) return false;
+          if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+          return true;
+        }
+
+        @java.lang.Override
+        public int hashCode() {
+          if (memoizedHashCode != 0) {
+            return memoizedHashCode;
+          }
+          int hash = 41;
+          hash = (19 * hash) + getDescriptor().hashCode();
+          hash = (37 * hash) + METHOD_FIELD_NUMBER;
+          hash = (53 * hash) + getMethod().hashCode();
+          hash = (37 * hash) + PATH_FIELD_NUMBER;
+          hash = (53 * hash) + getPath().hashCode();
+          hash = (37 * hash) + REQUEST_JSON_FIELD_NUMBER;
+          hash = (53 * hash) + getRequestJson().hashCode();
+          hash = (37 * hash) + RESPONSE_JSON_FIELD_NUMBER;
+          hash = (53 * hash) + getResponseJson().hashCode();
+          hash = (29 * hash) + getUnknownFields().hashCode();
+          memoizedHashCode = hash;
+          return hash;
+        }
+
+        public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+            parseFrom(java.nio.ByteBuffer data)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+          return PARSER.parseFrom(data);
+        }
+
+        public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+            parseFrom(
+                java.nio.ByteBuffer data,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+          return PARSER.parseFrom(data, extensionRegistry);
+        }
+
+        public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+            parseFrom(com.google.protobuf.ByteString data)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+          return PARSER.parseFrom(data);
+        }
+
+        public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+            parseFrom(
+                com.google.protobuf.ByteString data,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+          return PARSER.parseFrom(data, extensionRegistry);
+        }
+
+        public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+            parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+          return PARSER.parseFrom(data);
+        }
+
+        public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+            parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+          return PARSER.parseFrom(data, extensionRegistry);
+        }
+
+        public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+            parseFrom(java.io.InputStream input) throws java.io.IOException {
+          return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+        }
+
+        public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+            parseFrom(
+                java.io.InputStream input,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws java.io.IOException {
+          return com.google.protobuf.GeneratedMessage.parseWithIOException(
+              PARSER, input, extensionRegistry);
+        }
+
+        public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+            parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+          return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+        }
+
+        public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+            parseDelimitedFrom(
+                java.io.InputStream input,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws java.io.IOException {
+          return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+              PARSER, input, extensionRegistry);
+        }
+
+        public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+            parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+          return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+        }
+
+        public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+            parseFrom(
+                com.google.protobuf.CodedInputStream input,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws java.io.IOException {
+          return com.google.protobuf.GeneratedMessage.parseWithIOException(
+              PARSER, input, extensionRegistry);
+        }
+
+        @java.lang.Override
+        public Builder newBuilderForType() {
+          return newBuilder();
+        }
+
+        public static Builder newBuilder() {
+          return DEFAULT_INSTANCE.toBuilder();
+        }
+
+        public static Builder newBuilder(
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+                prototype) {
+          return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+        }
+
+        @java.lang.Override
+        public Builder toBuilder() {
+          return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+        }
+
+        @java.lang.Override
+        protected Builder newBuilderForType(
+            com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+          Builder builder = new Builder(parent);
+          return builder;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * The configuration to be used to generate an operation in the Open API
+         * schema.
+         * </pre>
+         *
+         * Protobuf type {@code
+         * google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig}
+         */
+        public static final class Builder
+            extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+            implements
+            // @@protoc_insertion_point(builder_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig)
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfigOrBuilder {
+          public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+            return com.google.cloud.ces.v1beta.AgentServiceProto
+                .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_OperationGenerationConfig_descriptor;
+          }
+
+          @java.lang.Override
+          protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+              internalGetFieldAccessorTable() {
+            return com.google.cloud.ces.v1beta.AgentServiceProto
+                .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_OperationGenerationConfig_fieldAccessorTable
+                .ensureFieldAccessorsInitialized(
+                    com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                        .OpenApiToolsetGenerationConfig.OperationGenerationConfig.class,
+                    com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                        .OpenApiToolsetGenerationConfig.OperationGenerationConfig.Builder.class);
+          }
+
+          // Construct using
+          // com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig.newBuilder()
+          private Builder() {}
+
+          private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+            super(parent);
+          }
+
+          @java.lang.Override
+          public Builder clear() {
+            super.clear();
+            bitField0_ = 0;
+            method_ = "";
+            path_ = "";
+            requestJson_ = "";
+            responseJson_ = "";
+            return this;
+          }
+
+          @java.lang.Override
+          public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+            return com.google.cloud.ces.v1beta.AgentServiceProto
+                .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_OperationGenerationConfig_descriptor;
+          }
+
+          @java.lang.Override
+          public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+              getDefaultInstanceForType() {
+            return com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfig.getDefaultInstance();
+          }
+
+          @java.lang.Override
+          public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+              build() {
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+                result = buildPartial();
+            if (!result.isInitialized()) {
+              throw newUninitializedMessageException(result);
+            }
+            return result;
+          }
+
+          @java.lang.Override
+          public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+              buildPartial() {
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+                result =
+                    new com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                        .OpenApiToolsetGenerationConfig.OperationGenerationConfig(this);
+            if (bitField0_ != 0) {
+              buildPartial0(result);
+            }
+            onBuilt();
+            return result;
+          }
+
+          private void buildPartial0(
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                      .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+                  result) {
+            int from_bitField0_ = bitField0_;
+            if (((from_bitField0_ & 0x00000001) != 0)) {
+              result.method_ = method_;
+            }
+            if (((from_bitField0_ & 0x00000002) != 0)) {
+              result.path_ = path_;
+            }
+            if (((from_bitField0_ & 0x00000004) != 0)) {
+              result.requestJson_ = requestJson_;
+            }
+            if (((from_bitField0_ & 0x00000008) != 0)) {
+              result.responseJson_ = responseJson_;
+            }
+          }
+
+          @java.lang.Override
+          public Builder mergeFrom(com.google.protobuf.Message other) {
+            if (other
+                instanceof
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfig) {
+              return mergeFrom(
+                  (com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                          .OpenApiToolsetGenerationConfig.OperationGenerationConfig)
+                      other);
+            } else {
+              super.mergeFrom(other);
+              return this;
+            }
+          }
+
+          public Builder mergeFrom(
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                      .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+                  other) {
+            if (other
+                == com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfig.getDefaultInstance())
+              return this;
+            if (!other.getMethod().isEmpty()) {
+              method_ = other.method_;
+              bitField0_ |= 0x00000001;
+              onChanged();
+            }
+            if (!other.getPath().isEmpty()) {
+              path_ = other.path_;
+              bitField0_ |= 0x00000002;
+              onChanged();
+            }
+            if (!other.getRequestJson().isEmpty()) {
+              requestJson_ = other.requestJson_;
+              bitField0_ |= 0x00000004;
+              onChanged();
+            }
+            if (!other.getResponseJson().isEmpty()) {
+              responseJson_ = other.responseJson_;
+              bitField0_ |= 0x00000008;
+              onChanged();
+            }
+            this.mergeUnknownFields(other.getUnknownFields());
+            onChanged();
+            return this;
+          }
+
+          @java.lang.Override
+          public final boolean isInitialized() {
+            return true;
+          }
+
+          @java.lang.Override
+          public Builder mergeFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws java.io.IOException {
+            if (extensionRegistry == null) {
+              throw new java.lang.NullPointerException();
+            }
+            try {
+              boolean done = false;
+              while (!done) {
+                int tag = input.readTag();
+                switch (tag) {
+                  case 0:
+                    done = true;
+                    break;
+                  case 10:
+                    {
+                      method_ = input.readStringRequireUtf8();
+                      bitField0_ |= 0x00000001;
+                      break;
+                    } // case 10
+                  case 18:
+                    {
+                      path_ = input.readStringRequireUtf8();
+                      bitField0_ |= 0x00000002;
+                      break;
+                    } // case 18
+                  case 26:
+                    {
+                      requestJson_ = input.readStringRequireUtf8();
+                      bitField0_ |= 0x00000004;
+                      break;
+                    } // case 26
+                  case 34:
+                    {
+                      responseJson_ = input.readStringRequireUtf8();
+                      bitField0_ |= 0x00000008;
+                      break;
+                    } // case 34
+                  default:
+                    {
+                      if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                        done = true; // was an endgroup tag
+                      }
+                      break;
+                    } // default:
+                } // switch (tag)
+              } // while (!done)
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.unwrapIOException();
+            } finally {
+              onChanged();
+            } // finally
+            return this;
+          }
+
+          private int bitField0_;
+
+          private java.lang.Object method_ = "";
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. The uri of the tool. This should include query and path
+           * parameters if any.
+           * </pre>
+           *
+           * <code>string method = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @return The method.
+           */
+          public java.lang.String getMethod() {
+            java.lang.Object ref = method_;
+            if (!(ref instanceof java.lang.String)) {
+              com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+              java.lang.String s = bs.toStringUtf8();
+              method_ = s;
+              return s;
+            } else {
+              return (java.lang.String) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. The uri of the tool. This should include query and path
+           * parameters if any.
+           * </pre>
+           *
+           * <code>string method = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @return The bytes for method.
+           */
+          public com.google.protobuf.ByteString getMethodBytes() {
+            java.lang.Object ref = method_;
+            if (ref instanceof String) {
+              com.google.protobuf.ByteString b =
+                  com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+              method_ = b;
+              return b;
+            } else {
+              return (com.google.protobuf.ByteString) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. The uri of the tool. This should include query and path
+           * parameters if any.
+           * </pre>
+           *
+           * <code>string method = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @param value The method to set.
+           * @return This builder for chaining.
+           */
+          public Builder setMethod(java.lang.String value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            method_ = value;
+            bitField0_ |= 0x00000001;
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. The uri of the tool. This should include query and path
+           * parameters if any.
+           * </pre>
+           *
+           * <code>string method = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @return This builder for chaining.
+           */
+          public Builder clearMethod() {
+            method_ = getDefaultInstance().getMethod();
+            bitField0_ = (bitField0_ & ~0x00000001);
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. The uri of the tool. This should include query and path
+           * parameters if any.
+           * </pre>
+           *
+           * <code>string method = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @param value The bytes for method to set.
+           * @return This builder for chaining.
+           */
+          public Builder setMethodBytes(com.google.protobuf.ByteString value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            checkByteStringIsUtf8(value);
+            method_ = value;
+            bitField0_ |= 0x00000001;
+            onChanged();
+            return this;
+          }
+
+          private java.lang.Object path_ = "";
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. The path of the tool to be appended to the base uri. This
+           * should include query and path parameters if any.
+           * </pre>
+           *
+           * <code>string path = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @return The path.
+           */
+          public java.lang.String getPath() {
+            java.lang.Object ref = path_;
+            if (!(ref instanceof java.lang.String)) {
+              com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+              java.lang.String s = bs.toStringUtf8();
+              path_ = s;
+              return s;
+            } else {
+              return (java.lang.String) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. The path of the tool to be appended to the base uri. This
+           * should include query and path parameters if any.
+           * </pre>
+           *
+           * <code>string path = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @return The bytes for path.
+           */
+          public com.google.protobuf.ByteString getPathBytes() {
+            java.lang.Object ref = path_;
+            if (ref instanceof String) {
+              com.google.protobuf.ByteString b =
+                  com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+              path_ = b;
+              return b;
+            } else {
+              return (com.google.protobuf.ByteString) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. The path of the tool to be appended to the base uri. This
+           * should include query and path parameters if any.
+           * </pre>
+           *
+           * <code>string path = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @param value The path to set.
+           * @return This builder for chaining.
+           */
+          public Builder setPath(java.lang.String value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            path_ = value;
+            bitField0_ |= 0x00000002;
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. The path of the tool to be appended to the base uri. This
+           * should include query and path parameters if any.
+           * </pre>
+           *
+           * <code>string path = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @return This builder for chaining.
+           */
+          public Builder clearPath() {
+            path_ = getDefaultInstance().getPath();
+            bitField0_ = (bitField0_ & ~0x00000002);
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. The path of the tool to be appended to the base uri. This
+           * should include query and path parameters if any.
+           * </pre>
+           *
+           * <code>string path = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @param value The bytes for path to set.
+           * @return This builder for chaining.
+           */
+          public Builder setPathBytes(com.google.protobuf.ByteString value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            checkByteStringIsUtf8(value);
+            path_ = value;
+            bitField0_ |= 0x00000002;
+            onChanged();
+            return this;
+          }
+
+          private java.lang.Object requestJson_ = "";
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. A sample request to the tool in JSON format. Skip if the
+           * tool does not support request body.
+           * </pre>
+           *
+           * <code>string request_json = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @return The requestJson.
+           */
+          public java.lang.String getRequestJson() {
+            java.lang.Object ref = requestJson_;
+            if (!(ref instanceof java.lang.String)) {
+              com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+              java.lang.String s = bs.toStringUtf8();
+              requestJson_ = s;
+              return s;
+            } else {
+              return (java.lang.String) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. A sample request to the tool in JSON format. Skip if the
+           * tool does not support request body.
+           * </pre>
+           *
+           * <code>string request_json = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @return The bytes for requestJson.
+           */
+          public com.google.protobuf.ByteString getRequestJsonBytes() {
+            java.lang.Object ref = requestJson_;
+            if (ref instanceof String) {
+              com.google.protobuf.ByteString b =
+                  com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+              requestJson_ = b;
+              return b;
+            } else {
+              return (com.google.protobuf.ByteString) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. A sample request to the tool in JSON format. Skip if the
+           * tool does not support request body.
+           * </pre>
+           *
+           * <code>string request_json = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @param value The requestJson to set.
+           * @return This builder for chaining.
+           */
+          public Builder setRequestJson(java.lang.String value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            requestJson_ = value;
+            bitField0_ |= 0x00000004;
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. A sample request to the tool in JSON format. Skip if the
+           * tool does not support request body.
+           * </pre>
+           *
+           * <code>string request_json = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @return This builder for chaining.
+           */
+          public Builder clearRequestJson() {
+            requestJson_ = getDefaultInstance().getRequestJson();
+            bitField0_ = (bitField0_ & ~0x00000004);
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. A sample request to the tool in JSON format. Skip if the
+           * tool does not support request body.
+           * </pre>
+           *
+           * <code>string request_json = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @param value The bytes for requestJson to set.
+           * @return This builder for chaining.
+           */
+          public Builder setRequestJsonBytes(com.google.protobuf.ByteString value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            checkByteStringIsUtf8(value);
+            requestJson_ = value;
+            bitField0_ |= 0x00000004;
+            onChanged();
+            return this;
+          }
+
+          private java.lang.Object responseJson_ = "";
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. A sample response from the tool in JSON format.
+           * </pre>
+           *
+           * <code>string response_json = 4 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @return The responseJson.
+           */
+          public java.lang.String getResponseJson() {
+            java.lang.Object ref = responseJson_;
+            if (!(ref instanceof java.lang.String)) {
+              com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+              java.lang.String s = bs.toStringUtf8();
+              responseJson_ = s;
+              return s;
+            } else {
+              return (java.lang.String) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. A sample response from the tool in JSON format.
+           * </pre>
+           *
+           * <code>string response_json = 4 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @return The bytes for responseJson.
+           */
+          public com.google.protobuf.ByteString getResponseJsonBytes() {
+            java.lang.Object ref = responseJson_;
+            if (ref instanceof String) {
+              com.google.protobuf.ByteString b =
+                  com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+              responseJson_ = b;
+              return b;
+            } else {
+              return (com.google.protobuf.ByteString) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. A sample response from the tool in JSON format.
+           * </pre>
+           *
+           * <code>string response_json = 4 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @param value The responseJson to set.
+           * @return This builder for chaining.
+           */
+          public Builder setResponseJson(java.lang.String value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            responseJson_ = value;
+            bitField0_ |= 0x00000008;
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. A sample response from the tool in JSON format.
+           * </pre>
+           *
+           * <code>string response_json = 4 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @return This builder for chaining.
+           */
+          public Builder clearResponseJson() {
+            responseJson_ = getDefaultInstance().getResponseJson();
+            bitField0_ = (bitField0_ & ~0x00000008);
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Required. A sample response from the tool in JSON format.
+           * </pre>
+           *
+           * <code>string response_json = 4 [(.google.api.field_behavior) = REQUIRED];</code>
+           *
+           * @param value The bytes for responseJson to set.
+           * @return This builder for chaining.
+           */
+          public Builder setResponseJsonBytes(com.google.protobuf.ByteString value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            checkByteStringIsUtf8(value);
+            responseJson_ = value;
+            bitField0_ |= 0x00000008;
+            onChanged();
+            return this;
+          }
+
+          // @@protoc_insertion_point(builder_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig)
+        }
+
+        // @@protoc_insertion_point(class_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig)
+        private static final com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                .ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig
+            DEFAULT_INSTANCE;
+
+        static {
+          DEFAULT_INSTANCE =
+              new com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig.OperationGenerationConfig();
+        }
+
+        public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+            getDefaultInstance() {
+          return DEFAULT_INSTANCE;
+        }
+
+        private static final com.google.protobuf.Parser<OperationGenerationConfig> PARSER =
+            new com.google.protobuf.AbstractParser<OperationGenerationConfig>() {
+              @java.lang.Override
+              public OperationGenerationConfig parsePartialFrom(
+                  com.google.protobuf.CodedInputStream input,
+                  com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                  throws com.google.protobuf.InvalidProtocolBufferException {
+                Builder builder = newBuilder();
+                try {
+                  builder.mergeFrom(input, extensionRegistry);
+                } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+                  throw e.setUnfinishedMessage(builder.buildPartial());
+                } catch (com.google.protobuf.UninitializedMessageException e) {
+                  throw e.asInvalidProtocolBufferException()
+                      .setUnfinishedMessage(builder.buildPartial());
+                } catch (java.io.IOException e) {
+                  throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                      .setUnfinishedMessage(builder.buildPartial());
+                }
+                return builder.buildPartial();
+              }
+            };
+
+        public static com.google.protobuf.Parser<OperationGenerationConfig> parser() {
+          return PARSER;
+        }
+
+        @java.lang.Override
+        public com.google.protobuf.Parser<OperationGenerationConfig> getParserForType() {
+          return PARSER;
+        }
+
+        @java.lang.Override
+        public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+            getDefaultInstanceForType() {
+          return DEFAULT_INSTANCE;
+        }
+      }
+
+      public static final int URI_FIELD_NUMBER = 1;
+
+      @SuppressWarnings("serial")
+      private volatile java.lang.Object uri_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The base uri of the tool.
+       * </pre>
+       *
+       * <code>string uri = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @return The uri.
+       */
+      @java.lang.Override
+      public java.lang.String getUri() {
+        java.lang.Object ref = uri_;
+        if (ref instanceof java.lang.String) {
+          return (java.lang.String) ref;
+        } else {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          uri_ = s;
+          return s;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The base uri of the tool.
+       * </pre>
+       *
+       * <code>string uri = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+       *
+       * @return The bytes for uri.
+       */
+      @java.lang.Override
+      public com.google.protobuf.ByteString getUriBytes() {
+        java.lang.Object ref = uri_;
+        if (ref instanceof java.lang.String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          uri_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      public static final int OPERATION_GENERATION_CONFIGS_FIELD_NUMBER = 2;
+
+      @SuppressWarnings("serial")
+      private java.util.List<
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig.OperationGenerationConfig>
+          operationGenerationConfigs_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The list of operations to be added to the Open API schema.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      @java.lang.Override
+      public java.util.List<
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig.OperationGenerationConfig>
+          getOperationGenerationConfigsList() {
+        return operationGenerationConfigs_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The list of operations to be added to the Open API schema.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      @java.lang.Override
+      public java.util.List<
+              ? extends
+                  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                      .OpenApiToolsetGenerationConfig.OperationGenerationConfigOrBuilder>
+          getOperationGenerationConfigsOrBuilderList() {
+        return operationGenerationConfigs_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The list of operations to be added to the Open API schema.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      @java.lang.Override
+      public int getOperationGenerationConfigsCount() {
+        return operationGenerationConfigs_.size();
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The list of operations to be added to the Open API schema.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+          getOperationGenerationConfigs(int index) {
+        return operationGenerationConfigs_.get(index);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The list of operations to be added to the Open API schema.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig.OperationGenerationConfigOrBuilder
+          getOperationGenerationConfigsOrBuilder(int index) {
+        return operationGenerationConfigs_.get(index);
+      }
+
+      private byte memoizedIsInitialized = -1;
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        byte isInitialized = memoizedIsInitialized;
+        if (isInitialized == 1) return true;
+        if (isInitialized == 0) return false;
+
+        memoizedIsInitialized = 1;
+        return true;
+      }
+
+      @java.lang.Override
+      public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+        if (!com.google.protobuf.GeneratedMessage.isStringEmpty(uri_)) {
+          com.google.protobuf.GeneratedMessage.writeString(output, 1, uri_);
+        }
+        for (int i = 0; i < operationGenerationConfigs_.size(); i++) {
+          output.writeMessage(2, operationGenerationConfigs_.get(i));
+        }
+        getUnknownFields().writeTo(output);
+      }
+
+      @java.lang.Override
+      public int getSerializedSize() {
+        int size = memoizedSize;
+        if (size != -1) return size;
+
+        size = 0;
+        if (!com.google.protobuf.GeneratedMessage.isStringEmpty(uri_)) {
+          size += com.google.protobuf.GeneratedMessage.computeStringSize(1, uri_);
+        }
+        for (int i = 0; i < operationGenerationConfigs_.size(); i++) {
+          size +=
+              com.google.protobuf.CodedOutputStream.computeMessageSize(
+                  2, operationGenerationConfigs_.get(i));
+        }
+        size += getUnknownFields().getSerializedSize();
+        memoizedSize = size;
+        return size;
+      }
+
+      @java.lang.Override
+      public boolean equals(final java.lang.Object obj) {
+        if (obj == this) {
+          return true;
+        }
+        if (!(obj
+            instanceof
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig)) {
+          return super.equals(obj);
+        }
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig
+            other =
+                (com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                        .OpenApiToolsetGenerationConfig)
+                    obj;
+
+        if (!getUri().equals(other.getUri())) return false;
+        if (!getOperationGenerationConfigsList().equals(other.getOperationGenerationConfigsList()))
+          return false;
+        if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+        return true;
+      }
+
+      @java.lang.Override
+      public int hashCode() {
+        if (memoizedHashCode != 0) {
+          return memoizedHashCode;
+        }
+        int hash = 41;
+        hash = (19 * hash) + getDescriptor().hashCode();
+        hash = (37 * hash) + URI_FIELD_NUMBER;
+        hash = (53 * hash) + getUri().hashCode();
+        if (getOperationGenerationConfigsCount() > 0) {
+          hash = (37 * hash) + OPERATION_GENERATION_CONFIGS_FIELD_NUMBER;
+          hash = (53 * hash) + getOperationGenerationConfigsList().hashCode();
+        }
+        hash = (29 * hash) + getUnknownFields().hashCode();
+        memoizedHashCode = hash;
+        return hash;
+      }
+
+      public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig
+          parseFrom(java.nio.ByteBuffer data)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig
+          parseFrom(
+              java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
+      }
+
+      public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig
+          parseFrom(com.google.protobuf.ByteString data)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig
+          parseFrom(
+              com.google.protobuf.ByteString data,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
+      }
+
+      public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig
+          parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig
+          parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
+      }
+
+      public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig
+          parseFrom(java.io.InputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig
+          parseFrom(
+              java.io.InputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
+            PARSER, input, extensionRegistry);
+      }
+
+      public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig
+          parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig
+          parseDelimitedFrom(
+              java.io.InputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+            PARSER, input, extensionRegistry);
+      }
+
+      public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig
+          parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig
+          parseFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
+            PARSER, input, extensionRegistry);
+      }
+
+      @java.lang.Override
+      public Builder newBuilderForType() {
+        return newBuilder();
+      }
+
+      public static Builder newBuilder() {
+        return DEFAULT_INSTANCE.toBuilder();
+      }
+
+      public static Builder newBuilder(
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig
+              prototype) {
+        return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+      }
+
+      @java.lang.Override
+      public Builder toBuilder() {
+        return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+      }
+
+      @java.lang.Override
+      protected Builder newBuilderForType(
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        Builder builder = new Builder(parent);
+        return builder;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The configuration to be used to generate an Open API schema.
+       * </pre>
+       *
+       * Protobuf type {@code
+       * google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig}
+       */
+      public static final class Builder
+          extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+          implements
+          // @@protoc_insertion_point(builder_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig)
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfigOrBuilder {
+        public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+          return com.google.cloud.ces.v1beta.AgentServiceProto
+              .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_descriptor;
+        }
+
+        @java.lang.Override
+        protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+            internalGetFieldAccessorTable() {
+          return com.google.cloud.ces.v1beta.AgentServiceProto
+              .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_fieldAccessorTable
+              .ensureFieldAccessorsInitialized(
+                  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                      .OpenApiToolsetGenerationConfig.class,
+                  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                      .OpenApiToolsetGenerationConfig.Builder.class);
+        }
+
+        // Construct using
+        // com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.newBuilder()
+        private Builder() {}
+
+        private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+          super(parent);
+        }
+
+        @java.lang.Override
+        public Builder clear() {
+          super.clear();
+          bitField0_ = 0;
+          uri_ = "";
+          if (operationGenerationConfigsBuilder_ == null) {
+            operationGenerationConfigs_ = java.util.Collections.emptyList();
+          } else {
+            operationGenerationConfigs_ = null;
+            operationGenerationConfigsBuilder_.clear();
+          }
+          bitField0_ = (bitField0_ & ~0x00000002);
+          return this;
+        }
+
+        @java.lang.Override
+        public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+          return com.google.cloud.ces.v1beta.AgentServiceProto
+              .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_OpenApiToolsetGenerationConfig_descriptor;
+        }
+
+        @java.lang.Override
+        public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig
+            getDefaultInstanceForType() {
+          return com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig.getDefaultInstance();
+        }
+
+        @java.lang.Override
+        public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig
+            build() {
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig
+              result = buildPartial();
+          if (!result.isInitialized()) {
+            throw newUninitializedMessageException(result);
+          }
+          return result;
+        }
+
+        @java.lang.Override
+        public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig
+            buildPartial() {
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig
+              result =
+                  new com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                      .OpenApiToolsetGenerationConfig(this);
+          buildPartialRepeatedFields(result);
+          if (bitField0_ != 0) {
+            buildPartial0(result);
+          }
+          onBuilt();
+          return result;
+        }
+
+        private void buildPartialRepeatedFields(
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig
+                result) {
+          if (operationGenerationConfigsBuilder_ == null) {
+            if (((bitField0_ & 0x00000002) != 0)) {
+              operationGenerationConfigs_ =
+                  java.util.Collections.unmodifiableList(operationGenerationConfigs_);
+              bitField0_ = (bitField0_ & ~0x00000002);
+            }
+            result.operationGenerationConfigs_ = operationGenerationConfigs_;
+          } else {
+            result.operationGenerationConfigs_ = operationGenerationConfigsBuilder_.build();
+          }
+        }
+
+        private void buildPartial0(
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig
+                result) {
+          int from_bitField0_ = bitField0_;
+          if (((from_bitField0_ & 0x00000001) != 0)) {
+            result.uri_ = uri_;
+          }
+        }
+
+        @java.lang.Override
+        public Builder mergeFrom(com.google.protobuf.Message other) {
+          if (other
+              instanceof
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig) {
+            return mergeFrom(
+                (com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                        .OpenApiToolsetGenerationConfig)
+                    other);
+          } else {
+            super.mergeFrom(other);
+            return this;
+          }
+        }
+
+        public Builder mergeFrom(
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig
+                other) {
+          if (other
+              == com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig.getDefaultInstance()) return this;
+          if (!other.getUri().isEmpty()) {
+            uri_ = other.uri_;
+            bitField0_ |= 0x00000001;
+            onChanged();
+          }
+          if (operationGenerationConfigsBuilder_ == null) {
+            if (!other.operationGenerationConfigs_.isEmpty()) {
+              if (operationGenerationConfigs_.isEmpty()) {
+                operationGenerationConfigs_ = other.operationGenerationConfigs_;
+                bitField0_ = (bitField0_ & ~0x00000002);
+              } else {
+                ensureOperationGenerationConfigsIsMutable();
+                operationGenerationConfigs_.addAll(other.operationGenerationConfigs_);
+              }
+              onChanged();
+            }
+          } else {
+            if (!other.operationGenerationConfigs_.isEmpty()) {
+              if (operationGenerationConfigsBuilder_.isEmpty()) {
+                operationGenerationConfigsBuilder_.dispose();
+                operationGenerationConfigsBuilder_ = null;
+                operationGenerationConfigs_ = other.operationGenerationConfigs_;
+                bitField0_ = (bitField0_ & ~0x00000002);
+                operationGenerationConfigsBuilder_ =
+                    com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                        ? internalGetOperationGenerationConfigsFieldBuilder()
+                        : null;
+              } else {
+                operationGenerationConfigsBuilder_.addAllMessages(
+                    other.operationGenerationConfigs_);
+              }
+            }
+          }
+          this.mergeUnknownFields(other.getUnknownFields());
+          onChanged();
+          return this;
+        }
+
+        @java.lang.Override
+        public final boolean isInitialized() {
+          return true;
+        }
+
+        @java.lang.Override
+        public Builder mergeFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+          if (extensionRegistry == null) {
+            throw new java.lang.NullPointerException();
+          }
+          try {
+            boolean done = false;
+            while (!done) {
+              int tag = input.readTag();
+              switch (tag) {
+                case 0:
+                  done = true;
+                  break;
+                case 10:
+                  {
+                    uri_ = input.readStringRequireUtf8();
+                    bitField0_ |= 0x00000001;
+                    break;
+                  } // case 10
+                case 18:
+                  {
+                    com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                            .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+                        m =
+                            input.readMessage(
+                                com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                                    .ToolGenerationConfig.OpenApiToolsetGenerationConfig
+                                    .OperationGenerationConfig.parser(),
+                                extensionRegistry);
+                    if (operationGenerationConfigsBuilder_ == null) {
+                      ensureOperationGenerationConfigsIsMutable();
+                      operationGenerationConfigs_.add(m);
+                    } else {
+                      operationGenerationConfigsBuilder_.addMessage(m);
+                    }
+                    break;
+                  } // case 18
+                default:
+                  {
+                    if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                      done = true; // was an endgroup tag
+                    }
+                    break;
+                  } // default:
+              } // switch (tag)
+            } // while (!done)
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.unwrapIOException();
+          } finally {
+            onChanged();
+          } // finally
+          return this;
+        }
+
+        private int bitField0_;
+
+        private java.lang.Object uri_ = "";
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The base uri of the tool.
+         * </pre>
+         *
+         * <code>string uri = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @return The uri.
+         */
+        public java.lang.String getUri() {
+          java.lang.Object ref = uri_;
+          if (!(ref instanceof java.lang.String)) {
+            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+            java.lang.String s = bs.toStringUtf8();
+            uri_ = s;
+            return s;
+          } else {
+            return (java.lang.String) ref;
+          }
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The base uri of the tool.
+         * </pre>
+         *
+         * <code>string uri = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @return The bytes for uri.
+         */
+        public com.google.protobuf.ByteString getUriBytes() {
+          java.lang.Object ref = uri_;
+          if (ref instanceof String) {
+            com.google.protobuf.ByteString b =
+                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+            uri_ = b;
+            return b;
+          } else {
+            return (com.google.protobuf.ByteString) ref;
+          }
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The base uri of the tool.
+         * </pre>
+         *
+         * <code>string uri = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @param value The uri to set.
+         * @return This builder for chaining.
+         */
+        public Builder setUri(java.lang.String value) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          uri_ = value;
+          bitField0_ |= 0x00000001;
+          onChanged();
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The base uri of the tool.
+         * </pre>
+         *
+         * <code>string uri = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @return This builder for chaining.
+         */
+        public Builder clearUri() {
+          uri_ = getDefaultInstance().getUri();
+          bitField0_ = (bitField0_ & ~0x00000001);
+          onChanged();
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The base uri of the tool.
+         * </pre>
+         *
+         * <code>string uri = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+         *
+         * @param value The bytes for uri to set.
+         * @return This builder for chaining.
+         */
+        public Builder setUriBytes(com.google.protobuf.ByteString value) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          checkByteStringIsUtf8(value);
+          uri_ = value;
+          bitField0_ |= 0x00000001;
+          onChanged();
+          return this;
+        }
+
+        private java.util.List<
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfig>
+            operationGenerationConfigs_ = java.util.Collections.emptyList();
+
+        private void ensureOperationGenerationConfigsIsMutable() {
+          if (!((bitField0_ & 0x00000002) != 0)) {
+            operationGenerationConfigs_ =
+                new java.util.ArrayList<
+                    com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                        .OpenApiToolsetGenerationConfig.OperationGenerationConfig>(
+                    operationGenerationConfigs_);
+            bitField0_ |= 0x00000002;
+          }
+        }
+
+        private com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfig,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfig.Builder,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfigOrBuilder>
+            operationGenerationConfigsBuilder_;
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The list of operations to be added to the Open API schema.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+         * </code>
+         */
+        public java.util.List<
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfig>
+            getOperationGenerationConfigsList() {
+          if (operationGenerationConfigsBuilder_ == null) {
+            return java.util.Collections.unmodifiableList(operationGenerationConfigs_);
+          } else {
+            return operationGenerationConfigsBuilder_.getMessageList();
+          }
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The list of operations to be added to the Open API schema.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+         * </code>
+         */
+        public int getOperationGenerationConfigsCount() {
+          if (operationGenerationConfigsBuilder_ == null) {
+            return operationGenerationConfigs_.size();
+          } else {
+            return operationGenerationConfigsBuilder_.getCount();
+          }
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The list of operations to be added to the Open API schema.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+         * </code>
+         */
+        public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+            getOperationGenerationConfigs(int index) {
+          if (operationGenerationConfigsBuilder_ == null) {
+            return operationGenerationConfigs_.get(index);
+          } else {
+            return operationGenerationConfigsBuilder_.getMessage(index);
+          }
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The list of operations to be added to the Open API schema.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+         * </code>
+         */
+        public Builder setOperationGenerationConfigs(
+            int index,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+                value) {
+          if (operationGenerationConfigsBuilder_ == null) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            ensureOperationGenerationConfigsIsMutable();
+            operationGenerationConfigs_.set(index, value);
+            onChanged();
+          } else {
+            operationGenerationConfigsBuilder_.setMessage(index, value);
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The list of operations to be added to the Open API schema.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+         * </code>
+         */
+        public Builder setOperationGenerationConfigs(
+            int index,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfig.Builder
+                builderForValue) {
+          if (operationGenerationConfigsBuilder_ == null) {
+            ensureOperationGenerationConfigsIsMutable();
+            operationGenerationConfigs_.set(index, builderForValue.build());
+            onChanged();
+          } else {
+            operationGenerationConfigsBuilder_.setMessage(index, builderForValue.build());
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The list of operations to be added to the Open API schema.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+         * </code>
+         */
+        public Builder addOperationGenerationConfigs(
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+                value) {
+          if (operationGenerationConfigsBuilder_ == null) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            ensureOperationGenerationConfigsIsMutable();
+            operationGenerationConfigs_.add(value);
+            onChanged();
+          } else {
+            operationGenerationConfigsBuilder_.addMessage(value);
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The list of operations to be added to the Open API schema.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+         * </code>
+         */
+        public Builder addOperationGenerationConfigs(
+            int index,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+                value) {
+          if (operationGenerationConfigsBuilder_ == null) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            ensureOperationGenerationConfigsIsMutable();
+            operationGenerationConfigs_.add(index, value);
+            onChanged();
+          } else {
+            operationGenerationConfigsBuilder_.addMessage(index, value);
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The list of operations to be added to the Open API schema.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+         * </code>
+         */
+        public Builder addOperationGenerationConfigs(
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfig.Builder
+                builderForValue) {
+          if (operationGenerationConfigsBuilder_ == null) {
+            ensureOperationGenerationConfigsIsMutable();
+            operationGenerationConfigs_.add(builderForValue.build());
+            onChanged();
+          } else {
+            operationGenerationConfigsBuilder_.addMessage(builderForValue.build());
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The list of operations to be added to the Open API schema.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+         * </code>
+         */
+        public Builder addOperationGenerationConfigs(
+            int index,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfig.Builder
+                builderForValue) {
+          if (operationGenerationConfigsBuilder_ == null) {
+            ensureOperationGenerationConfigsIsMutable();
+            operationGenerationConfigs_.add(index, builderForValue.build());
+            onChanged();
+          } else {
+            operationGenerationConfigsBuilder_.addMessage(index, builderForValue.build());
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The list of operations to be added to the Open API schema.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+         * </code>
+         */
+        public Builder addAllOperationGenerationConfigs(
+            java.lang.Iterable<
+                    ? extends
+                        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                            .OpenApiToolsetGenerationConfig.OperationGenerationConfig>
+                values) {
+          if (operationGenerationConfigsBuilder_ == null) {
+            ensureOperationGenerationConfigsIsMutable();
+            com.google.protobuf.AbstractMessageLite.Builder.addAll(
+                values, operationGenerationConfigs_);
+            onChanged();
+          } else {
+            operationGenerationConfigsBuilder_.addAllMessages(values);
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The list of operations to be added to the Open API schema.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+         * </code>
+         */
+        public Builder clearOperationGenerationConfigs() {
+          if (operationGenerationConfigsBuilder_ == null) {
+            operationGenerationConfigs_ = java.util.Collections.emptyList();
+            bitField0_ = (bitField0_ & ~0x00000002);
+            onChanged();
+          } else {
+            operationGenerationConfigsBuilder_.clear();
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The list of operations to be added to the Open API schema.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+         * </code>
+         */
+        public Builder removeOperationGenerationConfigs(int index) {
+          if (operationGenerationConfigsBuilder_ == null) {
+            ensureOperationGenerationConfigsIsMutable();
+            operationGenerationConfigs_.remove(index);
+            onChanged();
+          } else {
+            operationGenerationConfigsBuilder_.remove(index);
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The list of operations to be added to the Open API schema.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+         * </code>
+         */
+        public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfig.Builder
+            getOperationGenerationConfigsBuilder(int index) {
+          return internalGetOperationGenerationConfigsFieldBuilder().getBuilder(index);
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The list of operations to be added to the Open API schema.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+         * </code>
+         */
+        public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfigOrBuilder
+            getOperationGenerationConfigsOrBuilder(int index) {
+          if (operationGenerationConfigsBuilder_ == null) {
+            return operationGenerationConfigs_.get(index);
+          } else {
+            return operationGenerationConfigsBuilder_.getMessageOrBuilder(index);
+          }
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The list of operations to be added to the Open API schema.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+         * </code>
+         */
+        public java.util.List<
+                ? extends
+                    com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                        .OpenApiToolsetGenerationConfig.OperationGenerationConfigOrBuilder>
+            getOperationGenerationConfigsOrBuilderList() {
+          if (operationGenerationConfigsBuilder_ != null) {
+            return operationGenerationConfigsBuilder_.getMessageOrBuilderList();
+          } else {
+            return java.util.Collections.unmodifiableList(operationGenerationConfigs_);
+          }
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The list of operations to be added to the Open API schema.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+         * </code>
+         */
+        public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfig.Builder
+            addOperationGenerationConfigsBuilder() {
+          return internalGetOperationGenerationConfigsFieldBuilder()
+              .addBuilder(
+                  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                      .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+                      .getDefaultInstance());
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The list of operations to be added to the Open API schema.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+         * </code>
+         */
+        public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig.OperationGenerationConfig.Builder
+            addOperationGenerationConfigsBuilder(int index) {
+          return internalGetOperationGenerationConfigsFieldBuilder()
+              .addBuilder(
+                  index,
+                  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                      .OpenApiToolsetGenerationConfig.OperationGenerationConfig
+                      .getDefaultInstance());
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Required. The list of operations to be added to the Open API schema.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig.OperationGenerationConfig operation_generation_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+         * </code>
+         */
+        public java.util.List<
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfig.Builder>
+            getOperationGenerationConfigsBuilderList() {
+          return internalGetOperationGenerationConfigsFieldBuilder().getBuilderList();
+        }
+
+        private com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfig,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfig.Builder,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .OpenApiToolsetGenerationConfig.OperationGenerationConfigOrBuilder>
+            internalGetOperationGenerationConfigsFieldBuilder() {
+          if (operationGenerationConfigsBuilder_ == null) {
+            operationGenerationConfigsBuilder_ =
+                new com.google.protobuf.RepeatedFieldBuilder<
+                    com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                        .OpenApiToolsetGenerationConfig.OperationGenerationConfig,
+                    com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                        .OpenApiToolsetGenerationConfig.OperationGenerationConfig.Builder,
+                    com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                        .OpenApiToolsetGenerationConfig.OperationGenerationConfigOrBuilder>(
+                    operationGenerationConfigs_,
+                    ((bitField0_ & 0x00000002) != 0),
+                    getParentForChildren(),
+                    isClean());
+            operationGenerationConfigs_ = null;
+          }
+          return operationGenerationConfigsBuilder_;
+        }
+
+        // @@protoc_insertion_point(builder_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig)
+      }
+
+      // @@protoc_insertion_point(class_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig)
+      private static final com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+              .ToolGenerationConfig.OpenApiToolsetGenerationConfig
+          DEFAULT_INSTANCE;
+
+      static {
+        DEFAULT_INSTANCE =
+            new com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .OpenApiToolsetGenerationConfig();
+      }
+
+      public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig
+          getDefaultInstance() {
+        return DEFAULT_INSTANCE;
+      }
+
+      private static final com.google.protobuf.Parser<OpenApiToolsetGenerationConfig> PARSER =
+          new com.google.protobuf.AbstractParser<OpenApiToolsetGenerationConfig>() {
+            @java.lang.Override
+            public OpenApiToolsetGenerationConfig parsePartialFrom(
+                com.google.protobuf.CodedInputStream input,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+              Builder builder = newBuilder();
+              try {
+                builder.mergeFrom(input, extensionRegistry);
+              } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+                throw e.setUnfinishedMessage(builder.buildPartial());
+              } catch (com.google.protobuf.UninitializedMessageException e) {
+                throw e.asInvalidProtocolBufferException()
+                    .setUnfinishedMessage(builder.buildPartial());
+              } catch (java.io.IOException e) {
+                throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                    .setUnfinishedMessage(builder.buildPartial());
+              }
+              return builder.buildPartial();
+            }
+          };
+
+      public static com.google.protobuf.Parser<OpenApiToolsetGenerationConfig> parser() {
+        return PARSER;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Parser<OpenApiToolsetGenerationConfig> getParserForType() {
+        return PARSER;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig
+          getDefaultInstanceForType() {
+        return DEFAULT_INSTANCE;
+      }
+    }
+
+    private int bitField0_;
+    public static final int CONTEXT_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object context_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The context which describes the tool to be generated. This can
+     * be empty if the tool request &amp; response are provided.
+     * </pre>
+     *
+     * <code>string context = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The context.
+     */
+    @java.lang.Override
+    public java.lang.String getContext() {
+      java.lang.Object ref = context_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        context_ = s;
+        return s;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The context which describes the tool to be generated. This can
+     * be empty if the tool request &amp; response are provided.
+     * </pre>
+     *
+     * <code>string context = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for context.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getContextBytes() {
+      java.lang.Object ref = context_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        context_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int FILE_CONTEXTS_FIELD_NUMBER = 3;
+
+    @SuppressWarnings("serial")
+    private java.util.List<com.google.cloud.ces.v1beta.FileContext> fileContexts_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public java.util.List<com.google.cloud.ces.v1beta.FileContext> getFileContextsList() {
+      return fileContexts_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public java.util.List<? extends com.google.cloud.ces.v1beta.FileContextOrBuilder>
+        getFileContextsOrBuilderList() {
+      return fileContexts_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public int getFileContextsCount() {
+      return fileContexts_.size();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.FileContext getFileContexts(int index) {
+      return fileContexts_.get(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.FileContextOrBuilder getFileContextsOrBuilder(int index) {
+      return fileContexts_.get(index);
+    }
+
+    public static final int OPEN_API_TOOLSET_GENERATION_CONFIG_FIELD_NUMBER = 2;
+    private com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+            .OpenApiToolsetGenerationConfig
+        openApiToolsetGenerationConfig_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate an Open API schema.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig open_api_toolset_generation_config = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the openApiToolsetGenerationConfig field is set.
+     */
+    @java.lang.Override
+    public boolean hasOpenApiToolsetGenerationConfig() {
+      return ((bitField0_ & 0x00000001) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate an Open API schema.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig open_api_toolset_generation_config = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The openApiToolsetGenerationConfig.
+     */
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+            .OpenApiToolsetGenerationConfig
+        getOpenApiToolsetGenerationConfig() {
+      return openApiToolsetGenerationConfig_ == null
+          ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig.getDefaultInstance()
+          : openApiToolsetGenerationConfig_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate an Open API schema.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig open_api_toolset_generation_config = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+            .OpenApiToolsetGenerationConfigOrBuilder
+        getOpenApiToolsetGenerationConfigOrBuilder() {
+      return openApiToolsetGenerationConfig_ == null
+          ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig.getDefaultInstance()
+          : openApiToolsetGenerationConfig_;
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(context_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, context_);
+      }
+      if (((bitField0_ & 0x00000001) != 0)) {
+        output.writeMessage(2, getOpenApiToolsetGenerationConfig());
+      }
+      for (int i = 0; i < fileContexts_.size(); i++) {
+        output.writeMessage(3, fileContexts_.get(i));
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(context_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, context_);
+      }
+      if (((bitField0_ & 0x00000001) != 0)) {
+        size +=
+            com.google.protobuf.CodedOutputStream.computeMessageSize(
+                2, getOpenApiToolsetGenerationConfig());
+      }
+      for (int i = 0; i < fileContexts_.size(); i++) {
+        size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, fileContexts_.get(i));
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj
+          instanceof com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig other =
+          (com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig) obj;
+
+      if (!getContext().equals(other.getContext())) return false;
+      if (!getFileContextsList().equals(other.getFileContextsList())) return false;
+      if (hasOpenApiToolsetGenerationConfig() != other.hasOpenApiToolsetGenerationConfig())
+        return false;
+      if (hasOpenApiToolsetGenerationConfig()) {
+        if (!getOpenApiToolsetGenerationConfig().equals(other.getOpenApiToolsetGenerationConfig()))
+          return false;
+      }
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + CONTEXT_FIELD_NUMBER;
+      hash = (53 * hash) + getContext().hashCode();
+      if (getFileContextsCount() > 0) {
+        hash = (37 * hash) + FILE_CONTEXTS_FIELD_NUMBER;
+        hash = (53 * hash) + getFileContextsList().hashCode();
+      }
+      if (hasOpenApiToolsetGenerationConfig()) {
+        hash = (37 * hash) + OPEN_API_TOOLSET_GENERATION_CONFIG_FIELD_NUMBER;
+        hash = (53 * hash) + getOpenApiToolsetGenerationConfig().hashCode();
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+        parseFrom(java.nio.ByteBuffer data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+        parseFrom(
+            java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+        parseFrom(com.google.protobuf.ByteString data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+        parseFrom(
+            com.google.protobuf.ByteString data,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+        parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+        parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+        parseFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+        parseFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+        parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+        parseFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration to be used to generate a tool.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig)
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfigOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.class,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.Builder
+                    .class);
+      }
+
+      // Construct using
+      // com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+          internalGetFileContextsFieldBuilder();
+          internalGetOpenApiToolsetGenerationConfigFieldBuilder();
+        }
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        context_ = "";
+        if (fileContextsBuilder_ == null) {
+          fileContexts_ = java.util.Collections.emptyList();
+        } else {
+          fileContexts_ = null;
+          fileContextsBuilder_.clear();
+        }
+        bitField0_ = (bitField0_ & ~0x00000002);
+        openApiToolsetGenerationConfig_ = null;
+        if (openApiToolsetGenerationConfigBuilder_ != null) {
+          openApiToolsetGenerationConfigBuilder_.dispose();
+          openApiToolsetGenerationConfigBuilder_ = null;
+        }
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_ToolGenerationConfig_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+          getDefaultInstanceForType() {
+        return com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+            .getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig build() {
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig result =
+            buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+          buildPartial() {
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig result =
+            new com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig(this);
+        buildPartialRepeatedFields(result);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartialRepeatedFields(
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig result) {
+        if (fileContextsBuilder_ == null) {
+          if (((bitField0_ & 0x00000002) != 0)) {
+            fileContexts_ = java.util.Collections.unmodifiableList(fileContexts_);
+            bitField0_ = (bitField0_ & ~0x00000002);
+          }
+          result.fileContexts_ = fileContexts_;
+        } else {
+          result.fileContexts_ = fileContextsBuilder_.build();
+        }
+      }
+
+      private void buildPartial0(
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.context_ = context_;
+        }
+        int to_bitField0_ = 0;
+        if (((from_bitField0_ & 0x00000004) != 0)) {
+          result.openApiToolsetGenerationConfig_ =
+              openApiToolsetGenerationConfigBuilder_ == null
+                  ? openApiToolsetGenerationConfig_
+                  : openApiToolsetGenerationConfigBuilder_.build();
+          to_bitField0_ |= 0x00000001;
+        }
+        result.bitField0_ |= to_bitField0_;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other
+            instanceof
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig) {
+          return mergeFrom(
+              (com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig other) {
+        if (other
+            == com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .getDefaultInstance()) return this;
+        if (!other.getContext().isEmpty()) {
+          context_ = other.context_;
+          bitField0_ |= 0x00000001;
+          onChanged();
+        }
+        if (fileContextsBuilder_ == null) {
+          if (!other.fileContexts_.isEmpty()) {
+            if (fileContexts_.isEmpty()) {
+              fileContexts_ = other.fileContexts_;
+              bitField0_ = (bitField0_ & ~0x00000002);
+            } else {
+              ensureFileContextsIsMutable();
+              fileContexts_.addAll(other.fileContexts_);
+            }
+            onChanged();
+          }
+        } else {
+          if (!other.fileContexts_.isEmpty()) {
+            if (fileContextsBuilder_.isEmpty()) {
+              fileContextsBuilder_.dispose();
+              fileContextsBuilder_ = null;
+              fileContexts_ = other.fileContexts_;
+              bitField0_ = (bitField0_ & ~0x00000002);
+              fileContextsBuilder_ =
+                  com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                      ? internalGetFileContextsFieldBuilder()
+                      : null;
+            } else {
+              fileContextsBuilder_.addAllMessages(other.fileContexts_);
+            }
+          }
+        }
+        if (other.hasOpenApiToolsetGenerationConfig()) {
+          mergeOpenApiToolsetGenerationConfig(other.getOpenApiToolsetGenerationConfig());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  context_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 10
+              case 18:
+                {
+                  input.readMessage(
+                      internalGetOpenApiToolsetGenerationConfigFieldBuilder().getBuilder(),
+                      extensionRegistry);
+                  bitField0_ |= 0x00000004;
+                  break;
+                } // case 18
+              case 26:
+                {
+                  com.google.cloud.ces.v1beta.FileContext m =
+                      input.readMessage(
+                          com.google.cloud.ces.v1beta.FileContext.parser(), extensionRegistry);
+                  if (fileContextsBuilder_ == null) {
+                    ensureFileContextsIsMutable();
+                    fileContexts_.add(m);
+                  } else {
+                    fileContextsBuilder_.addMessage(m);
+                  }
+                  break;
+                } // case 26
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private java.lang.Object context_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The context which describes the tool to be generated. This can
+       * be empty if the tool request &amp; response are provided.
+       * </pre>
+       *
+       * <code>string context = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return The context.
+       */
+      public java.lang.String getContext() {
+        java.lang.Object ref = context_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          context_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The context which describes the tool to be generated. This can
+       * be empty if the tool request &amp; response are provided.
+       * </pre>
+       *
+       * <code>string context = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return The bytes for context.
+       */
+      public com.google.protobuf.ByteString getContextBytes() {
+        java.lang.Object ref = context_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          context_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The context which describes the tool to be generated. This can
+       * be empty if the tool request &amp; response are provided.
+       * </pre>
+       *
+       * <code>string context = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param value The context to set.
+       * @return This builder for chaining.
+       */
+      public Builder setContext(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        context_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The context which describes the tool to be generated. This can
+       * be empty if the tool request &amp; response are provided.
+       * </pre>
+       *
+       * <code>string context = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearContext() {
+        context_ = getDefaultInstance().getContext();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The context which describes the tool to be generated. This can
+       * be empty if the tool request &amp; response are provided.
+       * </pre>
+       *
+       * <code>string context = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param value The bytes for context to set.
+       * @return This builder for chaining.
+       */
+      public Builder setContextBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        context_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      private java.util.List<com.google.cloud.ces.v1beta.FileContext> fileContexts_ =
+          java.util.Collections.emptyList();
+
+      private void ensureFileContextsIsMutable() {
+        if (!((bitField0_ & 0x00000002) != 0)) {
+          fileContexts_ =
+              new java.util.ArrayList<com.google.cloud.ces.v1beta.FileContext>(fileContexts_);
+          bitField0_ |= 0x00000002;
+        }
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilder<
+              com.google.cloud.ces.v1beta.FileContext,
+              com.google.cloud.ces.v1beta.FileContext.Builder,
+              com.google.cloud.ces.v1beta.FileContextOrBuilder>
+          fileContextsBuilder_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public java.util.List<com.google.cloud.ces.v1beta.FileContext> getFileContextsList() {
+        if (fileContextsBuilder_ == null) {
+          return java.util.Collections.unmodifiableList(fileContexts_);
+        } else {
+          return fileContextsBuilder_.getMessageList();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public int getFileContextsCount() {
+        if (fileContextsBuilder_ == null) {
+          return fileContexts_.size();
+        } else {
+          return fileContextsBuilder_.getCount();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.ces.v1beta.FileContext getFileContexts(int index) {
+        if (fileContextsBuilder_ == null) {
+          return fileContexts_.get(index);
+        } else {
+          return fileContextsBuilder_.getMessage(index);
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder setFileContexts(int index, com.google.cloud.ces.v1beta.FileContext value) {
+        if (fileContextsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureFileContextsIsMutable();
+          fileContexts_.set(index, value);
+          onChanged();
+        } else {
+          fileContextsBuilder_.setMessage(index, value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder setFileContexts(
+          int index, com.google.cloud.ces.v1beta.FileContext.Builder builderForValue) {
+        if (fileContextsBuilder_ == null) {
+          ensureFileContextsIsMutable();
+          fileContexts_.set(index, builderForValue.build());
+          onChanged();
+        } else {
+          fileContextsBuilder_.setMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addFileContexts(com.google.cloud.ces.v1beta.FileContext value) {
+        if (fileContextsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureFileContextsIsMutable();
+          fileContexts_.add(value);
+          onChanged();
+        } else {
+          fileContextsBuilder_.addMessage(value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addFileContexts(int index, com.google.cloud.ces.v1beta.FileContext value) {
+        if (fileContextsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureFileContextsIsMutable();
+          fileContexts_.add(index, value);
+          onChanged();
+        } else {
+          fileContextsBuilder_.addMessage(index, value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addFileContexts(
+          com.google.cloud.ces.v1beta.FileContext.Builder builderForValue) {
+        if (fileContextsBuilder_ == null) {
+          ensureFileContextsIsMutable();
+          fileContexts_.add(builderForValue.build());
+          onChanged();
+        } else {
+          fileContextsBuilder_.addMessage(builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addFileContexts(
+          int index, com.google.cloud.ces.v1beta.FileContext.Builder builderForValue) {
+        if (fileContextsBuilder_ == null) {
+          ensureFileContextsIsMutable();
+          fileContexts_.add(index, builderForValue.build());
+          onChanged();
+        } else {
+          fileContextsBuilder_.addMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addAllFileContexts(
+          java.lang.Iterable<? extends com.google.cloud.ces.v1beta.FileContext> values) {
+        if (fileContextsBuilder_ == null) {
+          ensureFileContextsIsMutable();
+          com.google.protobuf.AbstractMessageLite.Builder.addAll(values, fileContexts_);
+          onChanged();
+        } else {
+          fileContextsBuilder_.addAllMessages(values);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder clearFileContexts() {
+        if (fileContextsBuilder_ == null) {
+          fileContexts_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000002);
+          onChanged();
+        } else {
+          fileContextsBuilder_.clear();
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder removeFileContexts(int index) {
+        if (fileContextsBuilder_ == null) {
+          ensureFileContextsIsMutable();
+          fileContexts_.remove(index);
+          onChanged();
+        } else {
+          fileContextsBuilder_.remove(index);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.ces.v1beta.FileContext.Builder getFileContextsBuilder(int index) {
+        return internalGetFileContextsFieldBuilder().getBuilder(index);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.ces.v1beta.FileContextOrBuilder getFileContextsOrBuilder(int index) {
+        if (fileContextsBuilder_ == null) {
+          return fileContexts_.get(index);
+        } else {
+          return fileContextsBuilder_.getMessageOrBuilder(index);
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public java.util.List<? extends com.google.cloud.ces.v1beta.FileContextOrBuilder>
+          getFileContextsOrBuilderList() {
+        if (fileContextsBuilder_ != null) {
+          return fileContextsBuilder_.getMessageOrBuilderList();
+        } else {
+          return java.util.Collections.unmodifiableList(fileContexts_);
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.ces.v1beta.FileContext.Builder addFileContextsBuilder() {
+        return internalGetFileContextsFieldBuilder()
+            .addBuilder(com.google.cloud.ces.v1beta.FileContext.getDefaultInstance());
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.ces.v1beta.FileContext.Builder addFileContextsBuilder(int index) {
+        return internalGetFileContextsFieldBuilder()
+            .addBuilder(index, com.google.cloud.ces.v1beta.FileContext.getDefaultInstance());
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 3 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public java.util.List<com.google.cloud.ces.v1beta.FileContext.Builder>
+          getFileContextsBuilderList() {
+        return internalGetFileContextsFieldBuilder().getBuilderList();
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilder<
+              com.google.cloud.ces.v1beta.FileContext,
+              com.google.cloud.ces.v1beta.FileContext.Builder,
+              com.google.cloud.ces.v1beta.FileContextOrBuilder>
+          internalGetFileContextsFieldBuilder() {
+        if (fileContextsBuilder_ == null) {
+          fileContextsBuilder_ =
+              new com.google.protobuf.RepeatedFieldBuilder<
+                  com.google.cloud.ces.v1beta.FileContext,
+                  com.google.cloud.ces.v1beta.FileContext.Builder,
+                  com.google.cloud.ces.v1beta.FileContextOrBuilder>(
+                  fileContexts_,
+                  ((bitField0_ & 0x00000002) != 0),
+                  getParentForChildren(),
+                  isClean());
+          fileContexts_ = null;
+        }
+        return fileContextsBuilder_;
+      }
+
+      private com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig
+          openApiToolsetGenerationConfig_;
+      private com.google.protobuf.SingleFieldBuilder<
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig,
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig.Builder,
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfigOrBuilder>
+          openApiToolsetGenerationConfigBuilder_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The configuration to be used to generate an Open API schema.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig open_api_toolset_generation_config = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @return Whether the openApiToolsetGenerationConfig field is set.
+       */
+      public boolean hasOpenApiToolsetGenerationConfig() {
+        return ((bitField0_ & 0x00000004) != 0);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The configuration to be used to generate an Open API schema.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig open_api_toolset_generation_config = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @return The openApiToolsetGenerationConfig.
+       */
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig
+          getOpenApiToolsetGenerationConfig() {
+        if (openApiToolsetGenerationConfigBuilder_ == null) {
+          return openApiToolsetGenerationConfig_ == null
+              ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig.getDefaultInstance()
+              : openApiToolsetGenerationConfig_;
+        } else {
+          return openApiToolsetGenerationConfigBuilder_.getMessage();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The configuration to be used to generate an Open API schema.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig open_api_toolset_generation_config = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder setOpenApiToolsetGenerationConfig(
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig
+              value) {
+        if (openApiToolsetGenerationConfigBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          openApiToolsetGenerationConfig_ = value;
+        } else {
+          openApiToolsetGenerationConfigBuilder_.setMessage(value);
+        }
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The configuration to be used to generate an Open API schema.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig open_api_toolset_generation_config = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder setOpenApiToolsetGenerationConfig(
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig.Builder
+              builderForValue) {
+        if (openApiToolsetGenerationConfigBuilder_ == null) {
+          openApiToolsetGenerationConfig_ = builderForValue.build();
+        } else {
+          openApiToolsetGenerationConfigBuilder_.setMessage(builderForValue.build());
+        }
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The configuration to be used to generate an Open API schema.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig open_api_toolset_generation_config = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder mergeOpenApiToolsetGenerationConfig(
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig
+              value) {
+        if (openApiToolsetGenerationConfigBuilder_ == null) {
+          if (((bitField0_ & 0x00000004) != 0)
+              && openApiToolsetGenerationConfig_ != null
+              && openApiToolsetGenerationConfig_
+                  != com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                      .OpenApiToolsetGenerationConfig.getDefaultInstance()) {
+            getOpenApiToolsetGenerationConfigBuilder().mergeFrom(value);
+          } else {
+            openApiToolsetGenerationConfig_ = value;
+          }
+        } else {
+          openApiToolsetGenerationConfigBuilder_.mergeFrom(value);
+        }
+        if (openApiToolsetGenerationConfig_ != null) {
+          bitField0_ |= 0x00000004;
+          onChanged();
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The configuration to be used to generate an Open API schema.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig open_api_toolset_generation_config = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder clearOpenApiToolsetGenerationConfig() {
+        bitField0_ = (bitField0_ & ~0x00000004);
+        openApiToolsetGenerationConfig_ = null;
+        if (openApiToolsetGenerationConfigBuilder_ != null) {
+          openApiToolsetGenerationConfigBuilder_.dispose();
+          openApiToolsetGenerationConfigBuilder_ = null;
+        }
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The configuration to be used to generate an Open API schema.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig open_api_toolset_generation_config = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfig.Builder
+          getOpenApiToolsetGenerationConfigBuilder() {
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return internalGetOpenApiToolsetGenerationConfigFieldBuilder().getBuilder();
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The configuration to be used to generate an Open API schema.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig open_api_toolset_generation_config = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+              .OpenApiToolsetGenerationConfigOrBuilder
+          getOpenApiToolsetGenerationConfigOrBuilder() {
+        if (openApiToolsetGenerationConfigBuilder_ != null) {
+          return openApiToolsetGenerationConfigBuilder_.getMessageOrBuilder();
+        } else {
+          return openApiToolsetGenerationConfig_ == null
+              ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig.getDefaultInstance()
+              : openApiToolsetGenerationConfig_;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The configuration to be used to generate an Open API schema.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.OpenApiToolsetGenerationConfig open_api_toolset_generation_config = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      private com.google.protobuf.SingleFieldBuilder<
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig,
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfig.Builder,
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                  .OpenApiToolsetGenerationConfigOrBuilder>
+          internalGetOpenApiToolsetGenerationConfigFieldBuilder() {
+        if (openApiToolsetGenerationConfigBuilder_ == null) {
+          openApiToolsetGenerationConfigBuilder_ =
+              new com.google.protobuf.SingleFieldBuilder<
+                  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                      .OpenApiToolsetGenerationConfig,
+                  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                      .OpenApiToolsetGenerationConfig.Builder,
+                  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                      .OpenApiToolsetGenerationConfigOrBuilder>(
+                  getOpenApiToolsetGenerationConfig(), getParentForChildren(), isClean());
+          openApiToolsetGenerationConfig_ = null;
+        }
+        return openApiToolsetGenerationConfigBuilder_;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig)
+    private static final com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE =
+          new com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig();
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<ToolGenerationConfig> PARSER =
+        new com.google.protobuf.AbstractParser<ToolGenerationConfig>() {
+          @java.lang.Override
+          public ToolGenerationConfig parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<ToolGenerationConfig> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<ToolGenerationConfig> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  public interface AppGenerationConfigOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The context which describes the requirements of the agents &amp;
+     * tools to be generated.
+     * </pre>
+     *
+     * <code>string context = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The context.
+     */
+    java.lang.String getContext();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The context which describes the requirements of the agents &amp;
+     * tools to be generated.
+     * </pre>
+     *
+     * <code>string context = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for context.
+     */
+    com.google.protobuf.ByteString getContextBytes();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    java.util.List<com.google.cloud.ces.v1beta.FileContext> getFileContextsList();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    com.google.cloud.ces.v1beta.FileContext getFileContexts(int index);
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    int getFileContextsCount();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    java.util.List<? extends com.google.cloud.ces.v1beta.FileContextOrBuilder>
+        getFileContextsOrBuilderList();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    com.google.cloud.ces.v1beta.FileContextOrBuilder getFileContextsOrBuilder(int index);
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The insights dataset to be used to fetch conversation data for
+     * generating the agents &amp; tools.
+     * Format:
+     * `projects/{project}/locations/{location}/datasets/{dataset}`.
+     * </pre>
+     *
+     * <code>
+     * string dataset_id = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The datasetId.
+     */
+    java.lang.String getDatasetId();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The insights dataset to be used to fetch conversation data for
+     * generating the agents &amp; tools.
+     * Format:
+     * `projects/{project}/locations/{location}/datasets/{dataset}`.
+     * </pre>
+     *
+     * <code>
+     * string dataset_id = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for datasetId.
+     */
+    com.google.protobuf.ByteString getDatasetIdBytes();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether to generate the evaluations for the app. If true, the
+     * provided context will be used to generate the evaluations data.
+     * </pre>
+     *
+     * <code>bool generate_evaluations = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The generateEvaluations.
+     */
+    boolean getGenerateEvaluations();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The Cloud Storage location to store the generated question
+     * answer data to be used by the Datastore tool. This data is generated only
+     * when using conversation data as an input source. The location must be
+     * in the same project as the app.
+     * Format: `gs://...`.
+     * </pre>
+     *
+     * <code>string gcs_location = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The gcsLocation.
+     */
+    java.lang.String getGcsLocation();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The Cloud Storage location to store the generated question
+     * answer data to be used by the Datastore tool. This data is generated only
+     * when using conversation data as an input source. The location must be
+     * in the same project as the app.
+     * Format: `gs://...`.
+     * </pre>
+     *
+     * <code>string gcs_location = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for gcsLocation.
+     */
+    com.google.protobuf.ByteString getGcsLocationBytes();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration to be used to generate the app.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig}
+   */
+  public static final class AppGenerationConfig extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig)
+      AppGenerationConfigOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "AppGenerationConfig");
+    }
+
+    // Use AppGenerationConfig.newBuilder() to construct.
+    private AppGenerationConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private AppGenerationConfig() {
+      context_ = "";
+      fileContexts_ = java.util.Collections.emptyList();
+      datasetId_ = "";
+      gcsLocation_ = "";
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.ces.v1beta.AgentServiceProto
+          .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_AppGenerationConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.ces.v1beta.AgentServiceProto
+          .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_AppGenerationConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig.class,
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig.Builder
+                  .class);
+    }
+
+    public static final int CONTEXT_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object context_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The context which describes the requirements of the agents &amp;
+     * tools to be generated.
+     * </pre>
+     *
+     * <code>string context = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The context.
+     */
+    @java.lang.Override
+    public java.lang.String getContext() {
+      java.lang.Object ref = context_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        context_ = s;
+        return s;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The context which describes the requirements of the agents &amp;
+     * tools to be generated.
+     * </pre>
+     *
+     * <code>string context = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for context.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getContextBytes() {
+      java.lang.Object ref = context_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        context_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int FILE_CONTEXTS_FIELD_NUMBER = 2;
+
+    @SuppressWarnings("serial")
+    private java.util.List<com.google.cloud.ces.v1beta.FileContext> fileContexts_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public java.util.List<com.google.cloud.ces.v1beta.FileContext> getFileContextsList() {
+      return fileContexts_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public java.util.List<? extends com.google.cloud.ces.v1beta.FileContextOrBuilder>
+        getFileContextsOrBuilderList() {
+      return fileContexts_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public int getFileContextsCount() {
+      return fileContexts_.size();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.FileContext getFileContexts(int index) {
+      return fileContexts_.get(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The files to be used as context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.FileContextOrBuilder getFileContextsOrBuilder(int index) {
+      return fileContexts_.get(index);
+    }
+
+    public static final int DATASET_ID_FIELD_NUMBER = 3;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object datasetId_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The insights dataset to be used to fetch conversation data for
+     * generating the agents &amp; tools.
+     * Format:
+     * `projects/{project}/locations/{location}/datasets/{dataset}`.
+     * </pre>
+     *
+     * <code>
+     * string dataset_id = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The datasetId.
+     */
+    @java.lang.Override
+    public java.lang.String getDatasetId() {
+      java.lang.Object ref = datasetId_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        datasetId_ = s;
+        return s;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The insights dataset to be used to fetch conversation data for
+     * generating the agents &amp; tools.
+     * Format:
+     * `projects/{project}/locations/{location}/datasets/{dataset}`.
+     * </pre>
+     *
+     * <code>
+     * string dataset_id = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for datasetId.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getDatasetIdBytes() {
+      java.lang.Object ref = datasetId_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        datasetId_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int GENERATE_EVALUATIONS_FIELD_NUMBER = 4;
+    private boolean generateEvaluations_ = false;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether to generate the evaluations for the app. If true, the
+     * provided context will be used to generate the evaluations data.
+     * </pre>
+     *
+     * <code>bool generate_evaluations = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The generateEvaluations.
+     */
+    @java.lang.Override
+    public boolean getGenerateEvaluations() {
+      return generateEvaluations_;
+    }
+
+    public static final int GCS_LOCATION_FIELD_NUMBER = 5;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object gcsLocation_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The Cloud Storage location to store the generated question
+     * answer data to be used by the Datastore tool. This data is generated only
+     * when using conversation data as an input source. The location must be
+     * in the same project as the app.
+     * Format: `gs://...`.
+     * </pre>
+     *
+     * <code>string gcs_location = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The gcsLocation.
+     */
+    @java.lang.Override
+    public java.lang.String getGcsLocation() {
+      java.lang.Object ref = gcsLocation_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        gcsLocation_ = s;
+        return s;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The Cloud Storage location to store the generated question
+     * answer data to be used by the Datastore tool. This data is generated only
+     * when using conversation data as an input source. The location must be
+     * in the same project as the app.
+     * Format: `gs://...`.
+     * </pre>
+     *
+     * <code>string gcs_location = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for gcsLocation.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getGcsLocationBytes() {
+      java.lang.Object ref = gcsLocation_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        gcsLocation_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(context_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, context_);
+      }
+      for (int i = 0; i < fileContexts_.size(); i++) {
+        output.writeMessage(2, fileContexts_.get(i));
+      }
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(datasetId_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 3, datasetId_);
+      }
+      if (generateEvaluations_ != false) {
+        output.writeBool(4, generateEvaluations_);
+      }
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(gcsLocation_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 5, gcsLocation_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(context_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, context_);
+      }
+      for (int i = 0; i < fileContexts_.size(); i++) {
+        size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, fileContexts_.get(i));
+      }
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(datasetId_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(3, datasetId_);
+      }
+      if (generateEvaluations_ != false) {
+        size += com.google.protobuf.CodedOutputStream.computeBoolSize(4, generateEvaluations_);
+      }
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(gcsLocation_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(5, gcsLocation_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj
+          instanceof com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig other =
+          (com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig) obj;
+
+      if (!getContext().equals(other.getContext())) return false;
+      if (!getFileContextsList().equals(other.getFileContextsList())) return false;
+      if (!getDatasetId().equals(other.getDatasetId())) return false;
+      if (getGenerateEvaluations() != other.getGenerateEvaluations()) return false;
+      if (!getGcsLocation().equals(other.getGcsLocation())) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + CONTEXT_FIELD_NUMBER;
+      hash = (53 * hash) + getContext().hashCode();
+      if (getFileContextsCount() > 0) {
+        hash = (37 * hash) + FILE_CONTEXTS_FIELD_NUMBER;
+        hash = (53 * hash) + getFileContextsList().hashCode();
+      }
+      hash = (37 * hash) + DATASET_ID_FIELD_NUMBER;
+      hash = (53 * hash) + getDatasetId().hashCode();
+      hash = (37 * hash) + GENERATE_EVALUATIONS_FIELD_NUMBER;
+      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getGenerateEvaluations());
+      hash = (37 * hash) + GCS_LOCATION_FIELD_NUMBER;
+      hash = (53 * hash) + getGcsLocation().hashCode();
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+        parseFrom(java.nio.ByteBuffer data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+        parseFrom(
+            java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+        parseFrom(com.google.protobuf.ByteString data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+        parseFrom(
+            com.google.protobuf.ByteString data,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+        parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+        parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+        parseFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+        parseFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+        parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+        parseFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration to be used to generate the app.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig)
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfigOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_AppGenerationConfig_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_AppGenerationConfig_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig.class,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig.Builder
+                    .class);
+      }
+
+      // Construct using
+      // com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        context_ = "";
+        if (fileContextsBuilder_ == null) {
+          fileContexts_ = java.util.Collections.emptyList();
+        } else {
+          fileContexts_ = null;
+          fileContextsBuilder_.clear();
+        }
+        bitField0_ = (bitField0_ & ~0x00000002);
+        datasetId_ = "";
+        generateEvaluations_ = false;
+        gcsLocation_ = "";
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_AppGenerationConfig_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+          getDefaultInstanceForType() {
+        return com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+            .getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig build() {
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig result =
+            buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+          buildPartial() {
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig result =
+            new com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig(this);
+        buildPartialRepeatedFields(result);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartialRepeatedFields(
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig result) {
+        if (fileContextsBuilder_ == null) {
+          if (((bitField0_ & 0x00000002) != 0)) {
+            fileContexts_ = java.util.Collections.unmodifiableList(fileContexts_);
+            bitField0_ = (bitField0_ & ~0x00000002);
+          }
+          result.fileContexts_ = fileContexts_;
+        } else {
+          result.fileContexts_ = fileContextsBuilder_.build();
+        }
+      }
+
+      private void buildPartial0(
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.context_ = context_;
+        }
+        if (((from_bitField0_ & 0x00000004) != 0)) {
+          result.datasetId_ = datasetId_;
+        }
+        if (((from_bitField0_ & 0x00000008) != 0)) {
+          result.generateEvaluations_ = generateEvaluations_;
+        }
+        if (((from_bitField0_ & 0x00000010) != 0)) {
+          result.gcsLocation_ = gcsLocation_;
+        }
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other
+            instanceof com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig) {
+          return mergeFrom(
+              (com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig other) {
+        if (other
+            == com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+                .getDefaultInstance()) return this;
+        if (!other.getContext().isEmpty()) {
+          context_ = other.context_;
+          bitField0_ |= 0x00000001;
+          onChanged();
+        }
+        if (fileContextsBuilder_ == null) {
+          if (!other.fileContexts_.isEmpty()) {
+            if (fileContexts_.isEmpty()) {
+              fileContexts_ = other.fileContexts_;
+              bitField0_ = (bitField0_ & ~0x00000002);
+            } else {
+              ensureFileContextsIsMutable();
+              fileContexts_.addAll(other.fileContexts_);
+            }
+            onChanged();
+          }
+        } else {
+          if (!other.fileContexts_.isEmpty()) {
+            if (fileContextsBuilder_.isEmpty()) {
+              fileContextsBuilder_.dispose();
+              fileContextsBuilder_ = null;
+              fileContexts_ = other.fileContexts_;
+              bitField0_ = (bitField0_ & ~0x00000002);
+              fileContextsBuilder_ =
+                  com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                      ? internalGetFileContextsFieldBuilder()
+                      : null;
+            } else {
+              fileContextsBuilder_.addAllMessages(other.fileContexts_);
+            }
+          }
+        }
+        if (!other.getDatasetId().isEmpty()) {
+          datasetId_ = other.datasetId_;
+          bitField0_ |= 0x00000004;
+          onChanged();
+        }
+        if (other.getGenerateEvaluations() != false) {
+          setGenerateEvaluations(other.getGenerateEvaluations());
+        }
+        if (!other.getGcsLocation().isEmpty()) {
+          gcsLocation_ = other.gcsLocation_;
+          bitField0_ |= 0x00000010;
+          onChanged();
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  context_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 10
+              case 18:
+                {
+                  com.google.cloud.ces.v1beta.FileContext m =
+                      input.readMessage(
+                          com.google.cloud.ces.v1beta.FileContext.parser(), extensionRegistry);
+                  if (fileContextsBuilder_ == null) {
+                    ensureFileContextsIsMutable();
+                    fileContexts_.add(m);
+                  } else {
+                    fileContextsBuilder_.addMessage(m);
+                  }
+                  break;
+                } // case 18
+              case 26:
+                {
+                  datasetId_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000004;
+                  break;
+                } // case 26
+              case 32:
+                {
+                  generateEvaluations_ = input.readBool();
+                  bitField0_ |= 0x00000008;
+                  break;
+                } // case 32
+              case 42:
+                {
+                  gcsLocation_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000010;
+                  break;
+                } // case 42
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private java.lang.Object context_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The context which describes the requirements of the agents &amp;
+       * tools to be generated.
+       * </pre>
+       *
+       * <code>string context = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return The context.
+       */
+      public java.lang.String getContext() {
+        java.lang.Object ref = context_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          context_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The context which describes the requirements of the agents &amp;
+       * tools to be generated.
+       * </pre>
+       *
+       * <code>string context = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return The bytes for context.
+       */
+      public com.google.protobuf.ByteString getContextBytes() {
+        java.lang.Object ref = context_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          context_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The context which describes the requirements of the agents &amp;
+       * tools to be generated.
+       * </pre>
+       *
+       * <code>string context = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param value The context to set.
+       * @return This builder for chaining.
+       */
+      public Builder setContext(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        context_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The context which describes the requirements of the agents &amp;
+       * tools to be generated.
+       * </pre>
+       *
+       * <code>string context = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearContext() {
+        context_ = getDefaultInstance().getContext();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The context which describes the requirements of the agents &amp;
+       * tools to be generated.
+       * </pre>
+       *
+       * <code>string context = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param value The bytes for context to set.
+       * @return This builder for chaining.
+       */
+      public Builder setContextBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        context_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      private java.util.List<com.google.cloud.ces.v1beta.FileContext> fileContexts_ =
+          java.util.Collections.emptyList();
+
+      private void ensureFileContextsIsMutable() {
+        if (!((bitField0_ & 0x00000002) != 0)) {
+          fileContexts_ =
+              new java.util.ArrayList<com.google.cloud.ces.v1beta.FileContext>(fileContexts_);
+          bitField0_ |= 0x00000002;
+        }
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilder<
+              com.google.cloud.ces.v1beta.FileContext,
+              com.google.cloud.ces.v1beta.FileContext.Builder,
+              com.google.cloud.ces.v1beta.FileContextOrBuilder>
+          fileContextsBuilder_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public java.util.List<com.google.cloud.ces.v1beta.FileContext> getFileContextsList() {
+        if (fileContextsBuilder_ == null) {
+          return java.util.Collections.unmodifiableList(fileContexts_);
+        } else {
+          return fileContextsBuilder_.getMessageList();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public int getFileContextsCount() {
+        if (fileContextsBuilder_ == null) {
+          return fileContexts_.size();
+        } else {
+          return fileContextsBuilder_.getCount();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.ces.v1beta.FileContext getFileContexts(int index) {
+        if (fileContextsBuilder_ == null) {
+          return fileContexts_.get(index);
+        } else {
+          return fileContextsBuilder_.getMessage(index);
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder setFileContexts(int index, com.google.cloud.ces.v1beta.FileContext value) {
+        if (fileContextsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureFileContextsIsMutable();
+          fileContexts_.set(index, value);
+          onChanged();
+        } else {
+          fileContextsBuilder_.setMessage(index, value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder setFileContexts(
+          int index, com.google.cloud.ces.v1beta.FileContext.Builder builderForValue) {
+        if (fileContextsBuilder_ == null) {
+          ensureFileContextsIsMutable();
+          fileContexts_.set(index, builderForValue.build());
+          onChanged();
+        } else {
+          fileContextsBuilder_.setMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addFileContexts(com.google.cloud.ces.v1beta.FileContext value) {
+        if (fileContextsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureFileContextsIsMutable();
+          fileContexts_.add(value);
+          onChanged();
+        } else {
+          fileContextsBuilder_.addMessage(value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addFileContexts(int index, com.google.cloud.ces.v1beta.FileContext value) {
+        if (fileContextsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureFileContextsIsMutable();
+          fileContexts_.add(index, value);
+          onChanged();
+        } else {
+          fileContextsBuilder_.addMessage(index, value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addFileContexts(
+          com.google.cloud.ces.v1beta.FileContext.Builder builderForValue) {
+        if (fileContextsBuilder_ == null) {
+          ensureFileContextsIsMutable();
+          fileContexts_.add(builderForValue.build());
+          onChanged();
+        } else {
+          fileContextsBuilder_.addMessage(builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addFileContexts(
+          int index, com.google.cloud.ces.v1beta.FileContext.Builder builderForValue) {
+        if (fileContextsBuilder_ == null) {
+          ensureFileContextsIsMutable();
+          fileContexts_.add(index, builderForValue.build());
+          onChanged();
+        } else {
+          fileContextsBuilder_.addMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder addAllFileContexts(
+          java.lang.Iterable<? extends com.google.cloud.ces.v1beta.FileContext> values) {
+        if (fileContextsBuilder_ == null) {
+          ensureFileContextsIsMutable();
+          com.google.protobuf.AbstractMessageLite.Builder.addAll(values, fileContexts_);
+          onChanged();
+        } else {
+          fileContextsBuilder_.addAllMessages(values);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder clearFileContexts() {
+        if (fileContextsBuilder_ == null) {
+          fileContexts_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000002);
+          onChanged();
+        } else {
+          fileContextsBuilder_.clear();
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public Builder removeFileContexts(int index) {
+        if (fileContextsBuilder_ == null) {
+          ensureFileContextsIsMutable();
+          fileContexts_.remove(index);
+          onChanged();
+        } else {
+          fileContextsBuilder_.remove(index);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.ces.v1beta.FileContext.Builder getFileContextsBuilder(int index) {
+        return internalGetFileContextsFieldBuilder().getBuilder(index);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.ces.v1beta.FileContextOrBuilder getFileContextsOrBuilder(int index) {
+        if (fileContextsBuilder_ == null) {
+          return fileContexts_.get(index);
+        } else {
+          return fileContextsBuilder_.getMessageOrBuilder(index);
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public java.util.List<? extends com.google.cloud.ces.v1beta.FileContextOrBuilder>
+          getFileContextsOrBuilderList() {
+        if (fileContextsBuilder_ != null) {
+          return fileContextsBuilder_.getMessageOrBuilderList();
+        } else {
+          return java.util.Collections.unmodifiableList(fileContexts_);
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.ces.v1beta.FileContext.Builder addFileContextsBuilder() {
+        return internalGetFileContextsFieldBuilder()
+            .addBuilder(com.google.cloud.ces.v1beta.FileContext.getDefaultInstance());
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public com.google.cloud.ces.v1beta.FileContext.Builder addFileContextsBuilder(int index) {
+        return internalGetFileContextsFieldBuilder()
+            .addBuilder(index, com.google.cloud.ces.v1beta.FileContext.getDefaultInstance());
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The files to be used as context.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.ces.v1beta.FileContext file_contexts = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       */
+      public java.util.List<com.google.cloud.ces.v1beta.FileContext.Builder>
+          getFileContextsBuilderList() {
+        return internalGetFileContextsFieldBuilder().getBuilderList();
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilder<
+              com.google.cloud.ces.v1beta.FileContext,
+              com.google.cloud.ces.v1beta.FileContext.Builder,
+              com.google.cloud.ces.v1beta.FileContextOrBuilder>
+          internalGetFileContextsFieldBuilder() {
+        if (fileContextsBuilder_ == null) {
+          fileContextsBuilder_ =
+              new com.google.protobuf.RepeatedFieldBuilder<
+                  com.google.cloud.ces.v1beta.FileContext,
+                  com.google.cloud.ces.v1beta.FileContext.Builder,
+                  com.google.cloud.ces.v1beta.FileContextOrBuilder>(
+                  fileContexts_,
+                  ((bitField0_ & 0x00000002) != 0),
+                  getParentForChildren(),
+                  isClean());
+          fileContexts_ = null;
+        }
+        return fileContextsBuilder_;
+      }
+
+      private java.lang.Object datasetId_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The insights dataset to be used to fetch conversation data for
+       * generating the agents &amp; tools.
+       * Format:
+       * `projects/{project}/locations/{location}/datasets/{dataset}`.
+       * </pre>
+       *
+       * <code>
+       * string dataset_id = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @return The datasetId.
+       */
+      public java.lang.String getDatasetId() {
+        java.lang.Object ref = datasetId_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          datasetId_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The insights dataset to be used to fetch conversation data for
+       * generating the agents &amp; tools.
+       * Format:
+       * `projects/{project}/locations/{location}/datasets/{dataset}`.
+       * </pre>
+       *
+       * <code>
+       * string dataset_id = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @return The bytes for datasetId.
+       */
+      public com.google.protobuf.ByteString getDatasetIdBytes() {
+        java.lang.Object ref = datasetId_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          datasetId_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The insights dataset to be used to fetch conversation data for
+       * generating the agents &amp; tools.
+       * Format:
+       * `projects/{project}/locations/{location}/datasets/{dataset}`.
+       * </pre>
+       *
+       * <code>
+       * string dataset_id = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @param value The datasetId to set.
+       * @return This builder for chaining.
+       */
+      public Builder setDatasetId(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        datasetId_ = value;
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The insights dataset to be used to fetch conversation data for
+       * generating the agents &amp; tools.
+       * Format:
+       * `projects/{project}/locations/{location}/datasets/{dataset}`.
+       * </pre>
+       *
+       * <code>
+       * string dataset_id = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearDatasetId() {
+        datasetId_ = getDefaultInstance().getDatasetId();
+        bitField0_ = (bitField0_ & ~0x00000004);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The insights dataset to be used to fetch conversation data for
+       * generating the agents &amp; tools.
+       * Format:
+       * `projects/{project}/locations/{location}/datasets/{dataset}`.
+       * </pre>
+       *
+       * <code>
+       * string dataset_id = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @param value The bytes for datasetId to set.
+       * @return This builder for chaining.
+       */
+      public Builder setDatasetIdBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        datasetId_ = value;
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
+      }
+
+      private boolean generateEvaluations_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Whether to generate the evaluations for the app. If true, the
+       * provided context will be used to generate the evaluations data.
+       * </pre>
+       *
+       * <code>bool generate_evaluations = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return The generateEvaluations.
+       */
+      @java.lang.Override
+      public boolean getGenerateEvaluations() {
+        return generateEvaluations_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Whether to generate the evaluations for the app. If true, the
+       * provided context will be used to generate the evaluations data.
+       * </pre>
+       *
+       * <code>bool generate_evaluations = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param value The generateEvaluations to set.
+       * @return This builder for chaining.
+       */
+      public Builder setGenerateEvaluations(boolean value) {
+
+        generateEvaluations_ = value;
+        bitField0_ |= 0x00000008;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Whether to generate the evaluations for the app. If true, the
+       * provided context will be used to generate the evaluations data.
+       * </pre>
+       *
+       * <code>bool generate_evaluations = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearGenerateEvaluations() {
+        bitField0_ = (bitField0_ & ~0x00000008);
+        generateEvaluations_ = false;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object gcsLocation_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The Cloud Storage location to store the generated question
+       * answer data to be used by the Datastore tool. This data is generated only
+       * when using conversation data as an input source. The location must be
+       * in the same project as the app.
+       * Format: `gs://...`.
+       * </pre>
+       *
+       * <code>string gcs_location = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return The gcsLocation.
+       */
+      public java.lang.String getGcsLocation() {
+        java.lang.Object ref = gcsLocation_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          gcsLocation_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The Cloud Storage location to store the generated question
+       * answer data to be used by the Datastore tool. This data is generated only
+       * when using conversation data as an input source. The location must be
+       * in the same project as the app.
+       * Format: `gs://...`.
+       * </pre>
+       *
+       * <code>string gcs_location = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return The bytes for gcsLocation.
+       */
+      public com.google.protobuf.ByteString getGcsLocationBytes() {
+        java.lang.Object ref = gcsLocation_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          gcsLocation_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The Cloud Storage location to store the generated question
+       * answer data to be used by the Datastore tool. This data is generated only
+       * when using conversation data as an input source. The location must be
+       * in the same project as the app.
+       * Format: `gs://...`.
+       * </pre>
+       *
+       * <code>string gcs_location = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param value The gcsLocation to set.
+       * @return This builder for chaining.
+       */
+      public Builder setGcsLocation(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        gcsLocation_ = value;
+        bitField0_ |= 0x00000010;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The Cloud Storage location to store the generated question
+       * answer data to be used by the Datastore tool. This data is generated only
+       * when using conversation data as an input source. The location must be
+       * in the same project as the app.
+       * Format: `gs://...`.
+       * </pre>
+       *
+       * <code>string gcs_location = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearGcsLocation() {
+        gcsLocation_ = getDefaultInstance().getGcsLocation();
+        bitField0_ = (bitField0_ & ~0x00000010);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The Cloud Storage location to store the generated question
+       * answer data to be used by the Datastore tool. This data is generated only
+       * when using conversation data as an input source. The location must be
+       * in the same project as the app.
+       * Format: `gs://...`.
+       * </pre>
+       *
+       * <code>string gcs_location = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param value The bytes for gcsLocation to set.
+       * @return This builder for chaining.
+       */
+      public Builder setGcsLocationBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        gcsLocation_ = value;
+        bitField0_ |= 0x00000010;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig)
+    private static final com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE =
+          new com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig();
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<AppGenerationConfig> PARSER =
+        new com.google.protobuf.AbstractParser<AppGenerationConfig>() {
+          @java.lang.Override
+          public AppGenerationConfig parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<AppGenerationConfig> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<AppGenerationConfig> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  public interface EvaluationGenerationConfigOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The insights dataset to be used to fetch conversation data for
+     * generating the evaluations.
+     * Format:
+     * `projects/{project}/locations/{location}/datasets/{dataset}`.
+     * </pre>
+     *
+     * <code>
+     * string dataset_id = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The datasetId.
+     */
+    java.lang.String getDatasetId();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The insights dataset to be used to fetch conversation data for
+     * generating the evaluations.
+     * Format:
+     * `projects/{project}/locations/{location}/datasets/{dataset}`.
+     * </pre>
+     *
+     * <code>
+     * string dataset_id = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for datasetId.
+     */
+    com.google.protobuf.ByteString getDatasetIdBytes();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration to be used to generate the evaluations.
+   * </pre>
+   *
+   * Protobuf type {@code
+   * google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig}
+   */
+  public static final class EvaluationGenerationConfig extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig)
+      EvaluationGenerationConfigOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "EvaluationGenerationConfig");
+    }
+
+    // Use EvaluationGenerationConfig.newBuilder() to construct.
+    private EvaluationGenerationConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private EvaluationGenerationConfig() {
+      datasetId_ = "";
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.ces.v1beta.AgentServiceProto
+          .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationGenerationConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.ces.v1beta.AgentServiceProto
+          .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationGenerationConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+                  .class,
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+                  .Builder.class);
+    }
+
+    public static final int DATASET_ID_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object datasetId_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The insights dataset to be used to fetch conversation data for
+     * generating the evaluations.
+     * Format:
+     * `projects/{project}/locations/{location}/datasets/{dataset}`.
+     * </pre>
+     *
+     * <code>
+     * string dataset_id = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The datasetId.
+     */
+    @java.lang.Override
+    public java.lang.String getDatasetId() {
+      java.lang.Object ref = datasetId_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        datasetId_ = s;
+        return s;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The insights dataset to be used to fetch conversation data for
+     * generating the evaluations.
+     * Format:
+     * `projects/{project}/locations/{location}/datasets/{dataset}`.
+     * </pre>
+     *
+     * <code>
+     * string dataset_id = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for datasetId.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getDatasetIdBytes() {
+      java.lang.Object ref = datasetId_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        datasetId_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(datasetId_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, datasetId_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(datasetId_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, datasetId_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj
+          instanceof
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig other =
+          (com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig) obj;
+
+      if (!getDatasetId().equals(other.getDatasetId())) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + DATASET_ID_FIELD_NUMBER;
+      hash = (53 * hash) + getDatasetId().hashCode();
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+        parseFrom(java.nio.ByteBuffer data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+        parseFrom(
+            java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+        parseFrom(com.google.protobuf.ByteString data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+        parseFrom(
+            com.google.protobuf.ByteString data,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+        parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+        parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+        parseFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+        parseFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+        parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+        parseFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+            prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration to be used to generate the evaluations.
+     * </pre>
+     *
+     * Protobuf type {@code
+     * google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig)
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfigOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationGenerationConfig_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationGenerationConfig_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+                    .class,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+                    .Builder.class);
+      }
+
+      // Construct using
+      // com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        datasetId_ = "";
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationGenerationConfig_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+          getDefaultInstanceForType() {
+        return com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+            .getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+          build() {
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig result =
+            buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+          buildPartial() {
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig result =
+            new com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig(
+                this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartial0(
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+              result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.datasetId_ = datasetId_;
+        }
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other
+            instanceof
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig) {
+          return mergeFrom(
+              (com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig)
+                  other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig other) {
+        if (other
+            == com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+                .getDefaultInstance()) return this;
+        if (!other.getDatasetId().isEmpty()) {
+          datasetId_ = other.datasetId_;
+          bitField0_ |= 0x00000001;
+          onChanged();
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  datasetId_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 10
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private java.lang.Object datasetId_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The insights dataset to be used to fetch conversation data for
+       * generating the evaluations.
+       * Format:
+       * `projects/{project}/locations/{location}/datasets/{dataset}`.
+       * </pre>
+       *
+       * <code>
+       * string dataset_id = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @return The datasetId.
+       */
+      public java.lang.String getDatasetId() {
+        java.lang.Object ref = datasetId_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          datasetId_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The insights dataset to be used to fetch conversation data for
+       * generating the evaluations.
+       * Format:
+       * `projects/{project}/locations/{location}/datasets/{dataset}`.
+       * </pre>
+       *
+       * <code>
+       * string dataset_id = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @return The bytes for datasetId.
+       */
+      public com.google.protobuf.ByteString getDatasetIdBytes() {
+        java.lang.Object ref = datasetId_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          datasetId_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The insights dataset to be used to fetch conversation data for
+       * generating the evaluations.
+       * Format:
+       * `projects/{project}/locations/{location}/datasets/{dataset}`.
+       * </pre>
+       *
+       * <code>
+       * string dataset_id = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @param value The datasetId to set.
+       * @return This builder for chaining.
+       */
+      public Builder setDatasetId(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        datasetId_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The insights dataset to be used to fetch conversation data for
+       * generating the evaluations.
+       * Format:
+       * `projects/{project}/locations/{location}/datasets/{dataset}`.
+       * </pre>
+       *
+       * <code>
+       * string dataset_id = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearDatasetId() {
+        datasetId_ = getDefaultInstance().getDatasetId();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. The insights dataset to be used to fetch conversation data for
+       * generating the evaluations.
+       * Format:
+       * `projects/{project}/locations/{location}/datasets/{dataset}`.
+       * </pre>
+       *
+       * <code>
+       * string dataset_id = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @param value The bytes for datasetId to set.
+       * @return This builder for chaining.
+       */
+      public Builder setDatasetIdBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        datasetId_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig)
+    private static final com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationGenerationConfig
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE =
+          new com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig();
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<EvaluationGenerationConfig> PARSER =
+        new com.google.protobuf.AbstractParser<EvaluationGenerationConfig>() {
+          @java.lang.Override
+          public EvaluationGenerationConfig parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<EvaluationGenerationConfig> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<EvaluationGenerationConfig> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  public interface EvaluationPersonasGenerationConfigOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig)
+      com.google.protobuf.MessageOrBuilder {}
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration to be used to generate the evaluation personas.
+   * </pre>
+   *
+   * Protobuf type {@code
+   * google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig}
+   */
+  public static final class EvaluationPersonasGenerationConfig
+      extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig)
+      EvaluationPersonasGenerationConfigOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "EvaluationPersonasGenerationConfig");
+    }
+
+    // Use EvaluationPersonasGenerationConfig.newBuilder() to construct.
+    private EvaluationPersonasGenerationConfig(
+        com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private EvaluationPersonasGenerationConfig() {}
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.ces.v1beta.AgentServiceProto
+          .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationPersonasGenerationConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.ces.v1beta.AgentServiceProto
+          .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationPersonasGenerationConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                  .EvaluationPersonasGenerationConfig.class,
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                  .EvaluationPersonasGenerationConfig.Builder.class);
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj
+          instanceof
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+              .EvaluationPersonasGenerationConfig)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig
+          other =
+              (com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                      .EvaluationPersonasGenerationConfig)
+                  obj;
+
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationPersonasGenerationConfig
+        parseFrom(java.nio.ByteBuffer data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationPersonasGenerationConfig
+        parseFrom(
+            java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationPersonasGenerationConfig
+        parseFrom(com.google.protobuf.ByteString data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationPersonasGenerationConfig
+        parseFrom(
+            com.google.protobuf.ByteString data,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationPersonasGenerationConfig
+        parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationPersonasGenerationConfig
+        parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationPersonasGenerationConfig
+        parseFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationPersonasGenerationConfig
+        parseFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationPersonasGenerationConfig
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationPersonasGenerationConfig
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationPersonasGenerationConfig
+        parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationPersonasGenerationConfig
+        parseFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig
+            prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration to be used to generate the evaluation personas.
+     * </pre>
+     *
+     * Protobuf type {@code
+     * google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig)
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationPersonasGenerationConfigOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationPersonasGenerationConfig_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationPersonasGenerationConfig_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                    .EvaluationPersonasGenerationConfig.class,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                    .EvaluationPersonasGenerationConfig.Builder.class);
+      }
+
+      // Construct using
+      // com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_EvaluationPersonasGenerationConfig_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+              .EvaluationPersonasGenerationConfig
+          getDefaultInstanceForType() {
+        return com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationPersonasGenerationConfig.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+              .EvaluationPersonasGenerationConfig
+          build() {
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig
+            result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+              .EvaluationPersonasGenerationConfig
+          buildPartial() {
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig
+            result =
+                new com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                    .EvaluationPersonasGenerationConfig(this);
+        onBuilt();
+        return result;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other
+            instanceof
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                .EvaluationPersonasGenerationConfig) {
+          return mergeFrom(
+              (com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                      .EvaluationPersonasGenerationConfig)
+                  other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig
+              other) {
+        if (other
+            == com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                .EvaluationPersonasGenerationConfig.getDefaultInstance()) return this;
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig)
+    private static final com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationPersonasGenerationConfig
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE =
+          new com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+              .EvaluationPersonasGenerationConfig();
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationPersonasGenerationConfig
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<EvaluationPersonasGenerationConfig> PARSER =
+        new com.google.protobuf.AbstractParser<EvaluationPersonasGenerationConfig>() {
+          @java.lang.Override
+          public EvaluationPersonasGenerationConfig parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<EvaluationPersonasGenerationConfig> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<EvaluationPersonasGenerationConfig> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  public interface QualityReportGenerationConfigOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The evaluation run used to inform quality report analysis.
+     * </pre>
+     *
+     * <code>
+     * string evaluation_run = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The evaluationRun.
+     */
+    java.lang.String getEvaluationRun();
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The evaluation run used to inform quality report analysis.
+     * </pre>
+     *
+     * <code>
+     * string evaluation_run = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for evaluationRun.
+     */
+    com.google.protobuf.ByteString getEvaluationRunBytes();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration to be used for quality report generation.
+   * </pre>
+   *
+   * Protobuf type {@code
+   * google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig}
+   */
+  public static final class QualityReportGenerationConfig
+      extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig)
+      QualityReportGenerationConfigOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "QualityReportGenerationConfig");
+    }
+
+    // Use QualityReportGenerationConfig.newBuilder() to construct.
+    private QualityReportGenerationConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private QualityReportGenerationConfig() {
+      evaluationRun_ = "";
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.ces.v1beta.AgentServiceProto
+          .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_QualityReportGenerationConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.ces.v1beta.AgentServiceProto
+          .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_QualityReportGenerationConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+                  .class,
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+                  .Builder.class);
+    }
+
+    public static final int EVALUATION_RUN_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object evaluationRun_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The evaluation run used to inform quality report analysis.
+     * </pre>
+     *
+     * <code>
+     * string evaluation_run = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The evaluationRun.
+     */
+    @java.lang.Override
+    public java.lang.String getEvaluationRun() {
+      java.lang.Object ref = evaluationRun_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        evaluationRun_ = s;
+        return s;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The evaluation run used to inform quality report analysis.
+     * </pre>
+     *
+     * <code>
+     * string evaluation_run = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for evaluationRun.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getEvaluationRunBytes() {
+      java.lang.Object ref = evaluationRun_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        evaluationRun_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(evaluationRun_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, evaluationRun_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(evaluationRun_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, evaluationRun_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj
+          instanceof
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig other =
+          (com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig)
+              obj;
+
+      if (!getEvaluationRun().equals(other.getEvaluationRun())) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + EVALUATION_RUN_FIELD_NUMBER;
+      hash = (53 * hash) + getEvaluationRun().hashCode();
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .QualityReportGenerationConfig
+        parseFrom(java.nio.ByteBuffer data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .QualityReportGenerationConfig
+        parseFrom(
+            java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .QualityReportGenerationConfig
+        parseFrom(com.google.protobuf.ByteString data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .QualityReportGenerationConfig
+        parseFrom(
+            com.google.protobuf.ByteString data,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .QualityReportGenerationConfig
+        parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .QualityReportGenerationConfig
+        parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .QualityReportGenerationConfig
+        parseFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .QualityReportGenerationConfig
+        parseFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .QualityReportGenerationConfig
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .QualityReportGenerationConfig
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .QualityReportGenerationConfig
+        parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .QualityReportGenerationConfig
+        parseFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+            prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration to be used for quality report generation.
+     * </pre>
+     *
+     * Protobuf type {@code
+     * google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig)
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .QualityReportGenerationConfigOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_QualityReportGenerationConfig_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_QualityReportGenerationConfig_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+                    .class,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+                    .Builder.class);
+      }
+
+      // Construct using
+      // com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        evaluationRun_ = "";
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_QualityReportGenerationConfig_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+          getDefaultInstanceForType() {
+        return com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+            .getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+          build() {
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+            result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+          buildPartial() {
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+            result =
+                new com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                    .QualityReportGenerationConfig(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartial0(
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+              result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.evaluationRun_ = evaluationRun_;
+        }
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other
+            instanceof
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig) {
+          return mergeFrom(
+              (com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig)
+                  other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+              other) {
+        if (other
+            == com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+                .getDefaultInstance()) return this;
+        if (!other.getEvaluationRun().isEmpty()) {
+          evaluationRun_ = other.evaluationRun_;
+          bitField0_ |= 0x00000001;
+          onChanged();
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  evaluationRun_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 10
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private java.lang.Object evaluationRun_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The evaluation run used to inform quality report analysis.
+       * </pre>
+       *
+       * <code>
+       * string evaluation_run = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @return The evaluationRun.
+       */
+      public java.lang.String getEvaluationRun() {
+        java.lang.Object ref = evaluationRun_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          evaluationRun_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The evaluation run used to inform quality report analysis.
+       * </pre>
+       *
+       * <code>
+       * string evaluation_run = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @return The bytes for evaluationRun.
+       */
+      public com.google.protobuf.ByteString getEvaluationRunBytes() {
+        java.lang.Object ref = evaluationRun_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          evaluationRun_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The evaluation run used to inform quality report analysis.
+       * </pre>
+       *
+       * <code>
+       * string evaluation_run = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @param value The evaluationRun to set.
+       * @return This builder for chaining.
+       */
+      public Builder setEvaluationRun(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        evaluationRun_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The evaluation run used to inform quality report analysis.
+       * </pre>
+       *
+       * <code>
+       * string evaluation_run = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearEvaluationRun() {
+        evaluationRun_ = getDefaultInstance().getEvaluationRun();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The evaluation run used to inform quality report analysis.
+       * </pre>
+       *
+       * <code>
+       * string evaluation_run = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @param value The bytes for evaluationRun to set.
+       * @return This builder for chaining.
+       */
+      public Builder setEvaluationRunBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        evaluationRun_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig)
+    private static final com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .QualityReportGenerationConfig
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE =
+          new com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+              .QualityReportGenerationConfig();
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .QualityReportGenerationConfig
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<QualityReportGenerationConfig> PARSER =
+        new com.google.protobuf.AbstractParser<QualityReportGenerationConfig>() {
+          @java.lang.Override
+          public QualityReportGenerationConfig parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<QualityReportGenerationConfig> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<QualityReportGenerationConfig> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  public interface HillClimbingFixConfigOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The quality report used to inform the instruction following
+     * fix.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.QualityReport quality_report = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return Whether the qualityReport field is set.
+     */
+    boolean hasQualityReport();
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The quality report used to inform the instruction following
+     * fix.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.QualityReport quality_report = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return The qualityReport.
+     */
+    com.google.cloud.ces.v1beta.QualityReport getQualityReport();
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The quality report used to inform the instruction following
+     * fix.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.QualityReport quality_report = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    com.google.cloud.ces.v1beta.QualityReportOrBuilder getQualityReportOrBuilder();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration to be used for hill climbing fixes.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig}
+   */
+  public static final class HillClimbingFixConfig extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig)
+      HillClimbingFixConfigOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "HillClimbingFixConfig");
+    }
+
+    // Use HillClimbingFixConfig.newBuilder() to construct.
+    private HillClimbingFixConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private HillClimbingFixConfig() {}
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.ces.v1beta.AgentServiceProto
+          .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_HillClimbingFixConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.ces.v1beta.AgentServiceProto
+          .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_HillClimbingFixConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig.class,
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig.Builder
+                  .class);
+    }
+
+    private int bitField0_;
+    public static final int QUALITY_REPORT_FIELD_NUMBER = 1;
+    private com.google.cloud.ces.v1beta.QualityReport qualityReport_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The quality report used to inform the instruction following
+     * fix.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.QualityReport quality_report = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return Whether the qualityReport field is set.
+     */
+    @java.lang.Override
+    public boolean hasQualityReport() {
+      return ((bitField0_ & 0x00000001) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The quality report used to inform the instruction following
+     * fix.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.QualityReport quality_report = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return The qualityReport.
+     */
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.QualityReport getQualityReport() {
+      return qualityReport_ == null
+          ? com.google.cloud.ces.v1beta.QualityReport.getDefaultInstance()
+          : qualityReport_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The quality report used to inform the instruction following
+     * fix.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.QualityReport quality_report = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.QualityReportOrBuilder getQualityReportOrBuilder() {
+      return qualityReport_ == null
+          ? com.google.cloud.ces.v1beta.QualityReport.getDefaultInstance()
+          : qualityReport_;
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (((bitField0_ & 0x00000001) != 0)) {
+        output.writeMessage(1, getQualityReport());
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (((bitField0_ & 0x00000001) != 0)) {
+        size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getQualityReport());
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj
+          instanceof
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig other =
+          (com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig) obj;
+
+      if (hasQualityReport() != other.hasQualityReport()) return false;
+      if (hasQualityReport()) {
+        if (!getQualityReport().equals(other.getQualityReport())) return false;
+      }
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      if (hasQualityReport()) {
+        hash = (37 * hash) + QUALITY_REPORT_FIELD_NUMBER;
+        hash = (53 * hash) + getQualityReport().hashCode();
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+        parseFrom(java.nio.ByteBuffer data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+        parseFrom(
+            java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+        parseFrom(com.google.protobuf.ByteString data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+        parseFrom(
+            com.google.protobuf.ByteString data,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+        parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+        parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+        parseFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+        parseFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+        parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+        parseFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration to be used for hill climbing fixes.
+     * </pre>
+     *
+     * Protobuf type {@code
+     * google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig)
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfigOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_HillClimbingFixConfig_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_HillClimbingFixConfig_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig.class,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig.Builder
+                    .class);
+      }
+
+      // Construct using
+      // com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+          internalGetQualityReportFieldBuilder();
+        }
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        qualityReport_ = null;
+        if (qualityReportBuilder_ != null) {
+          qualityReportBuilder_.dispose();
+          qualityReportBuilder_ = null;
+        }
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.ces.v1beta.AgentServiceProto
+            .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_HillClimbingFixConfig_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+          getDefaultInstanceForType() {
+        return com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+            .getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig build() {
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig result =
+            buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+          buildPartial() {
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig result =
+            new com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartial0(
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig result) {
+        int from_bitField0_ = bitField0_;
+        int to_bitField0_ = 0;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.qualityReport_ =
+              qualityReportBuilder_ == null ? qualityReport_ : qualityReportBuilder_.build();
+          to_bitField0_ |= 0x00000001;
+        }
+        result.bitField0_ |= to_bitField0_;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other
+            instanceof
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig) {
+          return mergeFrom(
+              (com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig other) {
+        if (other
+            == com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+                .getDefaultInstance()) return this;
+        if (other.hasQualityReport()) {
+          mergeQualityReport(other.getQualityReport());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  input.readMessage(
+                      internalGetQualityReportFieldBuilder().getBuilder(), extensionRegistry);
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 10
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private com.google.cloud.ces.v1beta.QualityReport qualityReport_;
+      private com.google.protobuf.SingleFieldBuilder<
+              com.google.cloud.ces.v1beta.QualityReport,
+              com.google.cloud.ces.v1beta.QualityReport.Builder,
+              com.google.cloud.ces.v1beta.QualityReportOrBuilder>
+          qualityReportBuilder_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The quality report used to inform the instruction following
+       * fix.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.ces.v1beta.QualityReport quality_report = 1 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       *
+       * @return Whether the qualityReport field is set.
+       */
+      public boolean hasQualityReport() {
+        return ((bitField0_ & 0x00000001) != 0);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The quality report used to inform the instruction following
+       * fix.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.ces.v1beta.QualityReport quality_report = 1 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       *
+       * @return The qualityReport.
+       */
+      public com.google.cloud.ces.v1beta.QualityReport getQualityReport() {
+        if (qualityReportBuilder_ == null) {
+          return qualityReport_ == null
+              ? com.google.cloud.ces.v1beta.QualityReport.getDefaultInstance()
+              : qualityReport_;
+        } else {
+          return qualityReportBuilder_.getMessage();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The quality report used to inform the instruction following
+       * fix.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.ces.v1beta.QualityReport quality_report = 1 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      public Builder setQualityReport(com.google.cloud.ces.v1beta.QualityReport value) {
+        if (qualityReportBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          qualityReport_ = value;
+        } else {
+          qualityReportBuilder_.setMessage(value);
+        }
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The quality report used to inform the instruction following
+       * fix.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.ces.v1beta.QualityReport quality_report = 1 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      public Builder setQualityReport(
+          com.google.cloud.ces.v1beta.QualityReport.Builder builderForValue) {
+        if (qualityReportBuilder_ == null) {
+          qualityReport_ = builderForValue.build();
+        } else {
+          qualityReportBuilder_.setMessage(builderForValue.build());
+        }
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The quality report used to inform the instruction following
+       * fix.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.ces.v1beta.QualityReport quality_report = 1 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      public Builder mergeQualityReport(com.google.cloud.ces.v1beta.QualityReport value) {
+        if (qualityReportBuilder_ == null) {
+          if (((bitField0_ & 0x00000001) != 0)
+              && qualityReport_ != null
+              && qualityReport_ != com.google.cloud.ces.v1beta.QualityReport.getDefaultInstance()) {
+            getQualityReportBuilder().mergeFrom(value);
+          } else {
+            qualityReport_ = value;
+          }
+        } else {
+          qualityReportBuilder_.mergeFrom(value);
+        }
+        if (qualityReport_ != null) {
+          bitField0_ |= 0x00000001;
+          onChanged();
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The quality report used to inform the instruction following
+       * fix.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.ces.v1beta.QualityReport quality_report = 1 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      public Builder clearQualityReport() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        qualityReport_ = null;
+        if (qualityReportBuilder_ != null) {
+          qualityReportBuilder_.dispose();
+          qualityReportBuilder_ = null;
+        }
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The quality report used to inform the instruction following
+       * fix.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.ces.v1beta.QualityReport quality_report = 1 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      public com.google.cloud.ces.v1beta.QualityReport.Builder getQualityReportBuilder() {
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return internalGetQualityReportFieldBuilder().getBuilder();
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The quality report used to inform the instruction following
+       * fix.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.ces.v1beta.QualityReport quality_report = 1 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      public com.google.cloud.ces.v1beta.QualityReportOrBuilder getQualityReportOrBuilder() {
+        if (qualityReportBuilder_ != null) {
+          return qualityReportBuilder_.getMessageOrBuilder();
+        } else {
+          return qualityReport_ == null
+              ? com.google.cloud.ces.v1beta.QualityReport.getDefaultInstance()
+              : qualityReport_;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The quality report used to inform the instruction following
+       * fix.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.ces.v1beta.QualityReport quality_report = 1 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       */
+      private com.google.protobuf.SingleFieldBuilder<
+              com.google.cloud.ces.v1beta.QualityReport,
+              com.google.cloud.ces.v1beta.QualityReport.Builder,
+              com.google.cloud.ces.v1beta.QualityReportOrBuilder>
+          internalGetQualityReportFieldBuilder() {
+        if (qualityReportBuilder_ == null) {
+          qualityReportBuilder_ =
+              new com.google.protobuf.SingleFieldBuilder<
+                  com.google.cloud.ces.v1beta.QualityReport,
+                  com.google.cloud.ces.v1beta.QualityReport.Builder,
+                  com.google.cloud.ces.v1beta.QualityReportOrBuilder>(
+                  getQualityReport(), getParentForChildren(), isClean());
+          qualityReport_ = null;
+        }
+        return qualityReportBuilder_;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig)
+    private static final com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .HillClimbingFixConfig
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE =
+          new com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig();
+    }
+
+    public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<HillClimbingFixConfig> PARSER =
+        new com.google.protobuf.AbstractParser<HillClimbingFixConfig>() {
+          @java.lang.Override
+          public HillClimbingFixConfig parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<HillClimbingFixConfig> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<HillClimbingFixConfig> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  private int bitField0_;
+  private int resourceCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object resource_;
+
+  public enum ResourceCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    AGENT(2),
+    TOOL(4),
+    TOOLSET(6),
+    RESOURCE_NOT_SET(0);
+    private final int value;
+
+    private ResourceCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static ResourceCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static ResourceCase forNumber(int value) {
+      switch (value) {
+        case 2:
+          return AGENT;
+        case 4:
+          return TOOL;
+        case 6:
+          return TOOLSET;
+        case 0:
+          return RESOURCE_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public ResourceCase getResourceCase() {
+    return ResourceCase.forNumber(resourceCase_);
+  }
+
+  public static final int AGENT_FIELD_NUMBER = 2;
+
+  /**
+   *
+   *
+   * <pre>
+   * The agent resource to be used by the LLM assistant, can be empty for
+   * generating a new agent.
+   * </pre>
+   *
+   * <code>.google.cloud.ces.v1beta.Agent agent = 2;</code>
+   *
+   * @return Whether the agent field is set.
+   */
+  @java.lang.Override
+  public boolean hasAgent() {
+    return resourceCase_ == 2;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The agent resource to be used by the LLM assistant, can be empty for
+   * generating a new agent.
+   * </pre>
+   *
+   * <code>.google.cloud.ces.v1beta.Agent agent = 2;</code>
+   *
+   * @return The agent.
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.Agent getAgent() {
+    if (resourceCase_ == 2) {
+      return (com.google.cloud.ces.v1beta.Agent) resource_;
+    }
+    return com.google.cloud.ces.v1beta.Agent.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The agent resource to be used by the LLM assistant, can be empty for
+   * generating a new agent.
+   * </pre>
+   *
+   * <code>.google.cloud.ces.v1beta.Agent agent = 2;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.AgentOrBuilder getAgentOrBuilder() {
+    if (resourceCase_ == 2) {
+      return (com.google.cloud.ces.v1beta.Agent) resource_;
+    }
+    return com.google.cloud.ces.v1beta.Agent.getDefaultInstance();
+  }
+
+  public static final int TOOL_FIELD_NUMBER = 4;
+
+  /**
+   *
+   *
+   * <pre>
+   * The tool resource to be used by the LLM assistant, can be empty for
+   * generating a new tool.
+   * </pre>
+   *
+   * <code>.google.cloud.ces.v1beta.Tool tool = 4;</code>
+   *
+   * @return Whether the tool field is set.
+   */
+  @java.lang.Override
+  public boolean hasTool() {
+    return resourceCase_ == 4;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The tool resource to be used by the LLM assistant, can be empty for
+   * generating a new tool.
+   * </pre>
+   *
+   * <code>.google.cloud.ces.v1beta.Tool tool = 4;</code>
+   *
+   * @return The tool.
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.Tool getTool() {
+    if (resourceCase_ == 4) {
+      return (com.google.cloud.ces.v1beta.Tool) resource_;
+    }
+    return com.google.cloud.ces.v1beta.Tool.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The tool resource to be used by the LLM assistant, can be empty for
+   * generating a new tool.
+   * </pre>
+   *
+   * <code>.google.cloud.ces.v1beta.Tool tool = 4;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.ToolOrBuilder getToolOrBuilder() {
+    if (resourceCase_ == 4) {
+      return (com.google.cloud.ces.v1beta.Tool) resource_;
+    }
+    return com.google.cloud.ces.v1beta.Tool.getDefaultInstance();
+  }
+
+  public static final int TOOLSET_FIELD_NUMBER = 6;
+
+  /**
+   *
+   *
+   * <pre>
+   * The toolset resource to be used by the LLM assistant, can be empty for
+   * generating a new toolset.
+   * </pre>
+   *
+   * <code>.google.cloud.ces.v1beta.Toolset toolset = 6;</code>
+   *
+   * @return Whether the toolset field is set.
+   */
+  @java.lang.Override
+  public boolean hasToolset() {
+    return resourceCase_ == 6;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The toolset resource to be used by the LLM assistant, can be empty for
+   * generating a new toolset.
+   * </pre>
+   *
+   * <code>.google.cloud.ces.v1beta.Toolset toolset = 6;</code>
+   *
+   * @return The toolset.
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.Toolset getToolset() {
+    if (resourceCase_ == 6) {
+      return (com.google.cloud.ces.v1beta.Toolset) resource_;
+    }
+    return com.google.cloud.ces.v1beta.Toolset.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The toolset resource to be used by the LLM assistant, can be empty for
+   * generating a new toolset.
+   * </pre>
+   *
+   * <code>.google.cloud.ces.v1beta.Toolset toolset = 6;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.ToolsetOrBuilder getToolsetOrBuilder() {
+    if (resourceCase_ == 6) {
+      return (com.google.cloud.ces.v1beta.Toolset) resource_;
+    }
+    return com.google.cloud.ces.v1beta.Toolset.getDefaultInstance();
+  }
+
+  public static final int PARENT_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object parent_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the app to generate the resource for.
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The parent.
+   */
+  @java.lang.Override
+  public java.lang.String getParent() {
+    java.lang.Object ref = parent_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      parent_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the app to generate the resource for.
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for parent.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getParentBytes() {
+    java.lang.Object ref = parent_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      parent_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int REFINE_INSTRUCTIONS_FIELD_NUMBER = 3;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions>
+      refineInstructions_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of refine instructions to be used to refine the resource.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions>
+      getRefineInstructionsList() {
+    return refineInstructions_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of refine instructions to be used to refine the resource.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<
+          ? extends
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructionsOrBuilder>
+      getRefineInstructionsOrBuilderList() {
+    return refineInstructions_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of refine instructions to be used to refine the resource.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public int getRefineInstructionsCount() {
+    return refineInstructions_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of refine instructions to be used to refine the resource.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+      getRefineInstructions(int index) {
+    return refineInstructions_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of refine instructions to be used to refine the resource.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructionsOrBuilder
+      getRefineInstructionsOrBuilder(int index) {
+    return refineInstructions_.get(index);
+  }
+
+  public static final int TOOL_GENERATION_CONFIG_FIELD_NUMBER = 5;
+  private com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+      toolGenerationConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the tool.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig tool_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the toolGenerationConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasToolGenerationConfig() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the tool.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig tool_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The toolGenerationConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+      getToolGenerationConfig() {
+    return toolGenerationConfig_ == null
+        ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+            .getDefaultInstance()
+        : toolGenerationConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the tool.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig tool_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfigOrBuilder
+      getToolGenerationConfigOrBuilder() {
+    return toolGenerationConfig_ == null
+        ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+            .getDefaultInstance()
+        : toolGenerationConfig_;
+  }
+
+  public static final int APP_GENERATION_CONFIG_FIELD_NUMBER = 7;
+  private com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+      appGenerationConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the agents and tools.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig app_generation_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the appGenerationConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasAppGenerationConfig() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the agents and tools.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig app_generation_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The appGenerationConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+      getAppGenerationConfig() {
+    return appGenerationConfig_ == null
+        ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+            .getDefaultInstance()
+        : appGenerationConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the agents and tools.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig app_generation_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfigOrBuilder
+      getAppGenerationConfigOrBuilder() {
+    return appGenerationConfig_ == null
+        ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+            .getDefaultInstance()
+        : appGenerationConfig_;
+  }
+
+  public static final int EVALUATION_GENERATION_CONFIG_FIELD_NUMBER = 8;
+  private com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+      evaluationGenerationConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the evaluations.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig evaluation_generation_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the evaluationGenerationConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasEvaluationGenerationConfig() {
+    return ((bitField0_ & 0x00000004) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the evaluations.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig evaluation_generation_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The evaluationGenerationConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+      getEvaluationGenerationConfig() {
+    return evaluationGenerationConfig_ == null
+        ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+            .getDefaultInstance()
+        : evaluationGenerationConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the evaluations.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig evaluation_generation_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfigOrBuilder
+      getEvaluationGenerationConfigOrBuilder() {
+    return evaluationGenerationConfig_ == null
+        ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+            .getDefaultInstance()
+        : evaluationGenerationConfig_;
+  }
+
+  public static final int EVALUATION_PERSONAS_GENERATION_CONFIG_FIELD_NUMBER = 9;
+  private com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig
+      evaluationPersonasGenerationConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the evaluation personas.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig evaluation_personas_generation_config = 9 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the evaluationPersonasGenerationConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasEvaluationPersonasGenerationConfig() {
+    return ((bitField0_ & 0x00000008) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the evaluation personas.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig evaluation_personas_generation_config = 9 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The evaluationPersonasGenerationConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig
+      getEvaluationPersonasGenerationConfig() {
+    return evaluationPersonasGenerationConfig_ == null
+        ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig
+            .getDefaultInstance()
+        : evaluationPersonasGenerationConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the evaluation personas.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig evaluation_personas_generation_config = 9 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+          .EvaluationPersonasGenerationConfigOrBuilder
+      getEvaluationPersonasGenerationConfigOrBuilder() {
+    return evaluationPersonasGenerationConfig_ == null
+        ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig
+            .getDefaultInstance()
+        : evaluationPersonasGenerationConfig_;
+  }
+
+  public static final int QUALITY_REPORT_GENERATION_CONFIG_FIELD_NUMBER = 10;
+  private com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+      qualityReportGenerationConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used for quality report generation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig quality_report_generation_config = 10 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the qualityReportGenerationConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasQualityReportGenerationConfig() {
+    return ((bitField0_ & 0x00000010) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used for quality report generation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig quality_report_generation_config = 10 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The qualityReportGenerationConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+      getQualityReportGenerationConfig() {
+    return qualityReportGenerationConfig_ == null
+        ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+            .getDefaultInstance()
+        : qualityReportGenerationConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used for quality report generation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig quality_report_generation_config = 10 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+          .QualityReportGenerationConfigOrBuilder
+      getQualityReportGenerationConfigOrBuilder() {
+    return qualityReportGenerationConfig_ == null
+        ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+            .getDefaultInstance()
+        : qualityReportGenerationConfig_;
+  }
+
+  public static final int HILL_CLIMBING_FIX_CONFIG_FIELD_NUMBER = 11;
+  private com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+      hillClimbingFixConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used for hill climbing fixes.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig hill_climbing_fix_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the hillClimbingFixConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasHillClimbingFixConfig() {
+    return ((bitField0_ & 0x00000020) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used for hill climbing fixes.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig hill_climbing_fix_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The hillClimbingFixConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+      getHillClimbingFixConfig() {
+    return hillClimbingFixConfig_ == null
+        ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+            .getDefaultInstance()
+        : hillClimbingFixConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used for hill climbing fixes.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig hill_climbing_fix_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfigOrBuilder
+      getHillClimbingFixConfigOrBuilder() {
+    return hillClimbingFixConfig_ == null
+        ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+            .getDefaultInstance()
+        : hillClimbingFixConfig_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(parent_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, parent_);
+    }
+    if (resourceCase_ == 2) {
+      output.writeMessage(2, (com.google.cloud.ces.v1beta.Agent) resource_);
+    }
+    for (int i = 0; i < refineInstructions_.size(); i++) {
+      output.writeMessage(3, refineInstructions_.get(i));
+    }
+    if (resourceCase_ == 4) {
+      output.writeMessage(4, (com.google.cloud.ces.v1beta.Tool) resource_);
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(5, getToolGenerationConfig());
+    }
+    if (resourceCase_ == 6) {
+      output.writeMessage(6, (com.google.cloud.ces.v1beta.Toolset) resource_);
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(7, getAppGenerationConfig());
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      output.writeMessage(8, getEvaluationGenerationConfig());
+    }
+    if (((bitField0_ & 0x00000008) != 0)) {
+      output.writeMessage(9, getEvaluationPersonasGenerationConfig());
+    }
+    if (((bitField0_ & 0x00000010) != 0)) {
+      output.writeMessage(10, getQualityReportGenerationConfig());
+    }
+    if (((bitField0_ & 0x00000020) != 0)) {
+      output.writeMessage(11, getHillClimbingFixConfig());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(parent_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, parent_);
+    }
+    if (resourceCase_ == 2) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              2, (com.google.cloud.ces.v1beta.Agent) resource_);
+    }
+    for (int i = 0; i < refineInstructions_.size(); i++) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(3, refineInstructions_.get(i));
+    }
+    if (resourceCase_ == 4) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              4, (com.google.cloud.ces.v1beta.Tool) resource_);
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(5, getToolGenerationConfig());
+    }
+    if (resourceCase_ == 6) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              6, (com.google.cloud.ces.v1beta.Toolset) resource_);
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(7, getAppGenerationConfig());
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              8, getEvaluationGenerationConfig());
+    }
+    if (((bitField0_ & 0x00000008) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              9, getEvaluationPersonasGenerationConfig());
+    }
+    if (((bitField0_ & 0x00000010) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              10, getQualityReportGenerationConfig());
+    }
+    if (((bitField0_ & 0x00000020) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(11, getHillClimbingFixConfig());
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.ces.v1beta.GenerateAppResourceRequest)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.ces.v1beta.GenerateAppResourceRequest other =
+        (com.google.cloud.ces.v1beta.GenerateAppResourceRequest) obj;
+
+    if (!getParent().equals(other.getParent())) return false;
+    if (!getRefineInstructionsList().equals(other.getRefineInstructionsList())) return false;
+    if (hasToolGenerationConfig() != other.hasToolGenerationConfig()) return false;
+    if (hasToolGenerationConfig()) {
+      if (!getToolGenerationConfig().equals(other.getToolGenerationConfig())) return false;
+    }
+    if (hasAppGenerationConfig() != other.hasAppGenerationConfig()) return false;
+    if (hasAppGenerationConfig()) {
+      if (!getAppGenerationConfig().equals(other.getAppGenerationConfig())) return false;
+    }
+    if (hasEvaluationGenerationConfig() != other.hasEvaluationGenerationConfig()) return false;
+    if (hasEvaluationGenerationConfig()) {
+      if (!getEvaluationGenerationConfig().equals(other.getEvaluationGenerationConfig()))
+        return false;
+    }
+    if (hasEvaluationPersonasGenerationConfig() != other.hasEvaluationPersonasGenerationConfig())
+      return false;
+    if (hasEvaluationPersonasGenerationConfig()) {
+      if (!getEvaluationPersonasGenerationConfig()
+          .equals(other.getEvaluationPersonasGenerationConfig())) return false;
+    }
+    if (hasQualityReportGenerationConfig() != other.hasQualityReportGenerationConfig())
+      return false;
+    if (hasQualityReportGenerationConfig()) {
+      if (!getQualityReportGenerationConfig().equals(other.getQualityReportGenerationConfig()))
+        return false;
+    }
+    if (hasHillClimbingFixConfig() != other.hasHillClimbingFixConfig()) return false;
+    if (hasHillClimbingFixConfig()) {
+      if (!getHillClimbingFixConfig().equals(other.getHillClimbingFixConfig())) return false;
+    }
+    if (!getResourceCase().equals(other.getResourceCase())) return false;
+    switch (resourceCase_) {
+      case 2:
+        if (!getAgent().equals(other.getAgent())) return false;
+        break;
+      case 4:
+        if (!getTool().equals(other.getTool())) return false;
+        break;
+      case 6:
+        if (!getToolset().equals(other.getToolset())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + PARENT_FIELD_NUMBER;
+    hash = (53 * hash) + getParent().hashCode();
+    if (getRefineInstructionsCount() > 0) {
+      hash = (37 * hash) + REFINE_INSTRUCTIONS_FIELD_NUMBER;
+      hash = (53 * hash) + getRefineInstructionsList().hashCode();
+    }
+    if (hasToolGenerationConfig()) {
+      hash = (37 * hash) + TOOL_GENERATION_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getToolGenerationConfig().hashCode();
+    }
+    if (hasAppGenerationConfig()) {
+      hash = (37 * hash) + APP_GENERATION_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getAppGenerationConfig().hashCode();
+    }
+    if (hasEvaluationGenerationConfig()) {
+      hash = (37 * hash) + EVALUATION_GENERATION_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getEvaluationGenerationConfig().hashCode();
+    }
+    if (hasEvaluationPersonasGenerationConfig()) {
+      hash = (37 * hash) + EVALUATION_PERSONAS_GENERATION_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getEvaluationPersonasGenerationConfig().hashCode();
+    }
+    if (hasQualityReportGenerationConfig()) {
+      hash = (37 * hash) + QUALITY_REPORT_GENERATION_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getQualityReportGenerationConfig().hashCode();
+    }
+    if (hasHillClimbingFixConfig()) {
+      hash = (37 * hash) + HILL_CLIMBING_FIX_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getHillClimbingFixConfig().hashCode();
+    }
+    switch (resourceCase_) {
+      case 2:
+        hash = (37 * hash) + AGENT_FIELD_NUMBER;
+        hash = (53 * hash) + getAgent().hashCode();
+        break;
+      case 4:
+        hash = (37 * hash) + TOOL_FIELD_NUMBER;
+        hash = (53 * hash) + getTool().hashCode();
+        break;
+      case 6:
+        hash = (37 * hash) + TOOLSET_FIELD_NUMBER;
+        hash = (53 * hash) + getToolset().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.ces.v1beta.GenerateAppResourceRequest prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Request message for
+   * [AgentService.GenerateAppResource][google.cloud.ces.v1beta.AgentService.GenerateAppResource].
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.ces.v1beta.GenerateAppResourceRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.ces.v1beta.GenerateAppResourceRequest)
+      com.google.cloud.ces.v1beta.GenerateAppResourceRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.ces.v1beta.AgentServiceProto
+          .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.ces.v1beta.AgentServiceProto
+          .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.class,
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.Builder.class);
+    }
+
+    // Construct using com.google.cloud.ces.v1beta.GenerateAppResourceRequest.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetRefineInstructionsFieldBuilder();
+        internalGetToolGenerationConfigFieldBuilder();
+        internalGetAppGenerationConfigFieldBuilder();
+        internalGetEvaluationGenerationConfigFieldBuilder();
+        internalGetEvaluationPersonasGenerationConfigFieldBuilder();
+        internalGetQualityReportGenerationConfigFieldBuilder();
+        internalGetHillClimbingFixConfigFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (agentBuilder_ != null) {
+        agentBuilder_.clear();
+      }
+      if (toolBuilder_ != null) {
+        toolBuilder_.clear();
+      }
+      if (toolsetBuilder_ != null) {
+        toolsetBuilder_.clear();
+      }
+      parent_ = "";
+      if (refineInstructionsBuilder_ == null) {
+        refineInstructions_ = java.util.Collections.emptyList();
+      } else {
+        refineInstructions_ = null;
+        refineInstructionsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00000010);
+      toolGenerationConfig_ = null;
+      if (toolGenerationConfigBuilder_ != null) {
+        toolGenerationConfigBuilder_.dispose();
+        toolGenerationConfigBuilder_ = null;
+      }
+      appGenerationConfig_ = null;
+      if (appGenerationConfigBuilder_ != null) {
+        appGenerationConfigBuilder_.dispose();
+        appGenerationConfigBuilder_ = null;
+      }
+      evaluationGenerationConfig_ = null;
+      if (evaluationGenerationConfigBuilder_ != null) {
+        evaluationGenerationConfigBuilder_.dispose();
+        evaluationGenerationConfigBuilder_ = null;
+      }
+      evaluationPersonasGenerationConfig_ = null;
+      if (evaluationPersonasGenerationConfigBuilder_ != null) {
+        evaluationPersonasGenerationConfigBuilder_.dispose();
+        evaluationPersonasGenerationConfigBuilder_ = null;
+      }
+      qualityReportGenerationConfig_ = null;
+      if (qualityReportGenerationConfigBuilder_ != null) {
+        qualityReportGenerationConfigBuilder_.dispose();
+        qualityReportGenerationConfigBuilder_ = null;
+      }
+      hillClimbingFixConfig_ = null;
+      if (hillClimbingFixConfigBuilder_ != null) {
+        hillClimbingFixConfigBuilder_.dispose();
+        hillClimbingFixConfigBuilder_ = null;
+      }
+      resourceCase_ = 0;
+      resource_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.ces.v1beta.AgentServiceProto
+          .internal_static_google_cloud_ces_v1beta_GenerateAppResourceRequest_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest getDefaultInstanceForType() {
+      return com.google.cloud.ces.v1beta.GenerateAppResourceRequest.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest build() {
+      com.google.cloud.ces.v1beta.GenerateAppResourceRequest result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest buildPartial() {
+      com.google.cloud.ces.v1beta.GenerateAppResourceRequest result =
+          new com.google.cloud.ces.v1beta.GenerateAppResourceRequest(this);
+      buildPartialRepeatedFields(result);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartialRepeatedFields(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest result) {
+      if (refineInstructionsBuilder_ == null) {
+        if (((bitField0_ & 0x00000010) != 0)) {
+          refineInstructions_ = java.util.Collections.unmodifiableList(refineInstructions_);
+          bitField0_ = (bitField0_ & ~0x00000010);
+        }
+        result.refineInstructions_ = refineInstructions_;
+      } else {
+        result.refineInstructions_ = refineInstructionsBuilder_.build();
+      }
+    }
+
+    private void buildPartial0(com.google.cloud.ces.v1beta.GenerateAppResourceRequest result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000008) != 0)) {
+        result.parent_ = parent_;
+      }
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000020) != 0)) {
+        result.toolGenerationConfig_ =
+            toolGenerationConfigBuilder_ == null
+                ? toolGenerationConfig_
+                : toolGenerationConfigBuilder_.build();
+        to_bitField0_ |= 0x00000001;
+      }
+      if (((from_bitField0_ & 0x00000040) != 0)) {
+        result.appGenerationConfig_ =
+            appGenerationConfigBuilder_ == null
+                ? appGenerationConfig_
+                : appGenerationConfigBuilder_.build();
+        to_bitField0_ |= 0x00000002;
+      }
+      if (((from_bitField0_ & 0x00000080) != 0)) {
+        result.evaluationGenerationConfig_ =
+            evaluationGenerationConfigBuilder_ == null
+                ? evaluationGenerationConfig_
+                : evaluationGenerationConfigBuilder_.build();
+        to_bitField0_ |= 0x00000004;
+      }
+      if (((from_bitField0_ & 0x00000100) != 0)) {
+        result.evaluationPersonasGenerationConfig_ =
+            evaluationPersonasGenerationConfigBuilder_ == null
+                ? evaluationPersonasGenerationConfig_
+                : evaluationPersonasGenerationConfigBuilder_.build();
+        to_bitField0_ |= 0x00000008;
+      }
+      if (((from_bitField0_ & 0x00000200) != 0)) {
+        result.qualityReportGenerationConfig_ =
+            qualityReportGenerationConfigBuilder_ == null
+                ? qualityReportGenerationConfig_
+                : qualityReportGenerationConfigBuilder_.build();
+        to_bitField0_ |= 0x00000010;
+      }
+      if (((from_bitField0_ & 0x00000400) != 0)) {
+        result.hillClimbingFixConfig_ =
+            hillClimbingFixConfigBuilder_ == null
+                ? hillClimbingFixConfig_
+                : hillClimbingFixConfigBuilder_.build();
+        to_bitField0_ |= 0x00000020;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    private void buildPartialOneofs(com.google.cloud.ces.v1beta.GenerateAppResourceRequest result) {
+      result.resourceCase_ = resourceCase_;
+      result.resource_ = this.resource_;
+      if (resourceCase_ == 2 && agentBuilder_ != null) {
+        result.resource_ = agentBuilder_.build();
+      }
+      if (resourceCase_ == 4 && toolBuilder_ != null) {
+        result.resource_ = toolBuilder_.build();
+      }
+      if (resourceCase_ == 6 && toolsetBuilder_ != null) {
+        result.resource_ = toolsetBuilder_.build();
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.ces.v1beta.GenerateAppResourceRequest) {
+        return mergeFrom((com.google.cloud.ces.v1beta.GenerateAppResourceRequest) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.ces.v1beta.GenerateAppResourceRequest other) {
+      if (other == com.google.cloud.ces.v1beta.GenerateAppResourceRequest.getDefaultInstance())
+        return this;
+      if (!other.getParent().isEmpty()) {
+        parent_ = other.parent_;
+        bitField0_ |= 0x00000008;
+        onChanged();
+      }
+      if (refineInstructionsBuilder_ == null) {
+        if (!other.refineInstructions_.isEmpty()) {
+          if (refineInstructions_.isEmpty()) {
+            refineInstructions_ = other.refineInstructions_;
+            bitField0_ = (bitField0_ & ~0x00000010);
+          } else {
+            ensureRefineInstructionsIsMutable();
+            refineInstructions_.addAll(other.refineInstructions_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.refineInstructions_.isEmpty()) {
+          if (refineInstructionsBuilder_.isEmpty()) {
+            refineInstructionsBuilder_.dispose();
+            refineInstructionsBuilder_ = null;
+            refineInstructions_ = other.refineInstructions_;
+            bitField0_ = (bitField0_ & ~0x00000010);
+            refineInstructionsBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetRefineInstructionsFieldBuilder()
+                    : null;
+          } else {
+            refineInstructionsBuilder_.addAllMessages(other.refineInstructions_);
+          }
+        }
+      }
+      if (other.hasToolGenerationConfig()) {
+        mergeToolGenerationConfig(other.getToolGenerationConfig());
+      }
+      if (other.hasAppGenerationConfig()) {
+        mergeAppGenerationConfig(other.getAppGenerationConfig());
+      }
+      if (other.hasEvaluationGenerationConfig()) {
+        mergeEvaluationGenerationConfig(other.getEvaluationGenerationConfig());
+      }
+      if (other.hasEvaluationPersonasGenerationConfig()) {
+        mergeEvaluationPersonasGenerationConfig(other.getEvaluationPersonasGenerationConfig());
+      }
+      if (other.hasQualityReportGenerationConfig()) {
+        mergeQualityReportGenerationConfig(other.getQualityReportGenerationConfig());
+      }
+      if (other.hasHillClimbingFixConfig()) {
+        mergeHillClimbingFixConfig(other.getHillClimbingFixConfig());
+      }
+      switch (other.getResourceCase()) {
+        case AGENT:
+          {
+            mergeAgent(other.getAgent());
+            break;
+          }
+        case TOOL:
+          {
+            mergeTool(other.getTool());
+            break;
+          }
+        case TOOLSET:
+          {
+            mergeToolset(other.getToolset());
+            break;
+          }
+        case RESOURCE_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                parent_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 10
+            case 18:
+              {
+                input.readMessage(internalGetAgentFieldBuilder().getBuilder(), extensionRegistry);
+                resourceCase_ = 2;
+                break;
+              } // case 18
+            case 26:
+              {
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions m =
+                    input.readMessage(
+                        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+                            .parser(),
+                        extensionRegistry);
+                if (refineInstructionsBuilder_ == null) {
+                  ensureRefineInstructionsIsMutable();
+                  refineInstructions_.add(m);
+                } else {
+                  refineInstructionsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 26
+            case 34:
+              {
+                input.readMessage(internalGetToolFieldBuilder().getBuilder(), extensionRegistry);
+                resourceCase_ = 4;
+                break;
+              } // case 34
+            case 42:
+              {
+                input.readMessage(
+                    internalGetToolGenerationConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000020;
+                break;
+              } // case 42
+            case 50:
+              {
+                input.readMessage(internalGetToolsetFieldBuilder().getBuilder(), extensionRegistry);
+                resourceCase_ = 6;
+                break;
+              } // case 50
+            case 58:
+              {
+                input.readMessage(
+                    internalGetAppGenerationConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000040;
+                break;
+              } // case 58
+            case 66:
+              {
+                input.readMessage(
+                    internalGetEvaluationGenerationConfigFieldBuilder().getBuilder(),
+                    extensionRegistry);
+                bitField0_ |= 0x00000080;
+                break;
+              } // case 66
+            case 74:
+              {
+                input.readMessage(
+                    internalGetEvaluationPersonasGenerationConfigFieldBuilder().getBuilder(),
+                    extensionRegistry);
+                bitField0_ |= 0x00000100;
+                break;
+              } // case 74
+            case 82:
+              {
+                input.readMessage(
+                    internalGetQualityReportGenerationConfigFieldBuilder().getBuilder(),
+                    extensionRegistry);
+                bitField0_ |= 0x00000200;
+                break;
+              } // case 82
+            case 90:
+              {
+                input.readMessage(
+                    internalGetHillClimbingFixConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000400;
+                break;
+              } // case 90
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int resourceCase_ = 0;
+    private java.lang.Object resource_;
+
+    public ResourceCase getResourceCase() {
+      return ResourceCase.forNumber(resourceCase_);
+    }
+
+    public Builder clearResource() {
+      resourceCase_ = 0;
+      resource_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.Agent,
+            com.google.cloud.ces.v1beta.Agent.Builder,
+            com.google.cloud.ces.v1beta.AgentOrBuilder>
+        agentBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The agent resource to be used by the LLM assistant, can be empty for
+     * generating a new agent.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Agent agent = 2;</code>
+     *
+     * @return Whether the agent field is set.
+     */
+    @java.lang.Override
+    public boolean hasAgent() {
+      return resourceCase_ == 2;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The agent resource to be used by the LLM assistant, can be empty for
+     * generating a new agent.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Agent agent = 2;</code>
+     *
+     * @return The agent.
+     */
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.Agent getAgent() {
+      if (agentBuilder_ == null) {
+        if (resourceCase_ == 2) {
+          return (com.google.cloud.ces.v1beta.Agent) resource_;
+        }
+        return com.google.cloud.ces.v1beta.Agent.getDefaultInstance();
+      } else {
+        if (resourceCase_ == 2) {
+          return agentBuilder_.getMessage();
+        }
+        return com.google.cloud.ces.v1beta.Agent.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The agent resource to be used by the LLM assistant, can be empty for
+     * generating a new agent.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Agent agent = 2;</code>
+     */
+    public Builder setAgent(com.google.cloud.ces.v1beta.Agent value) {
+      if (agentBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        resource_ = value;
+        onChanged();
+      } else {
+        agentBuilder_.setMessage(value);
+      }
+      resourceCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The agent resource to be used by the LLM assistant, can be empty for
+     * generating a new agent.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Agent agent = 2;</code>
+     */
+    public Builder setAgent(com.google.cloud.ces.v1beta.Agent.Builder builderForValue) {
+      if (agentBuilder_ == null) {
+        resource_ = builderForValue.build();
+        onChanged();
+      } else {
+        agentBuilder_.setMessage(builderForValue.build());
+      }
+      resourceCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The agent resource to be used by the LLM assistant, can be empty for
+     * generating a new agent.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Agent agent = 2;</code>
+     */
+    public Builder mergeAgent(com.google.cloud.ces.v1beta.Agent value) {
+      if (agentBuilder_ == null) {
+        if (resourceCase_ == 2
+            && resource_ != com.google.cloud.ces.v1beta.Agent.getDefaultInstance()) {
+          resource_ =
+              com.google.cloud.ces.v1beta.Agent.newBuilder(
+                      (com.google.cloud.ces.v1beta.Agent) resource_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          resource_ = value;
+        }
+        onChanged();
+      } else {
+        if (resourceCase_ == 2) {
+          agentBuilder_.mergeFrom(value);
+        } else {
+          agentBuilder_.setMessage(value);
+        }
+      }
+      resourceCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The agent resource to be used by the LLM assistant, can be empty for
+     * generating a new agent.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Agent agent = 2;</code>
+     */
+    public Builder clearAgent() {
+      if (agentBuilder_ == null) {
+        if (resourceCase_ == 2) {
+          resourceCase_ = 0;
+          resource_ = null;
+          onChanged();
+        }
+      } else {
+        if (resourceCase_ == 2) {
+          resourceCase_ = 0;
+          resource_ = null;
+        }
+        agentBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The agent resource to be used by the LLM assistant, can be empty for
+     * generating a new agent.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Agent agent = 2;</code>
+     */
+    public com.google.cloud.ces.v1beta.Agent.Builder getAgentBuilder() {
+      return internalGetAgentFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The agent resource to be used by the LLM assistant, can be empty for
+     * generating a new agent.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Agent agent = 2;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.AgentOrBuilder getAgentOrBuilder() {
+      if ((resourceCase_ == 2) && (agentBuilder_ != null)) {
+        return agentBuilder_.getMessageOrBuilder();
+      } else {
+        if (resourceCase_ == 2) {
+          return (com.google.cloud.ces.v1beta.Agent) resource_;
+        }
+        return com.google.cloud.ces.v1beta.Agent.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The agent resource to be used by the LLM assistant, can be empty for
+     * generating a new agent.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Agent agent = 2;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.Agent,
+            com.google.cloud.ces.v1beta.Agent.Builder,
+            com.google.cloud.ces.v1beta.AgentOrBuilder>
+        internalGetAgentFieldBuilder() {
+      if (agentBuilder_ == null) {
+        if (!(resourceCase_ == 2)) {
+          resource_ = com.google.cloud.ces.v1beta.Agent.getDefaultInstance();
+        }
+        agentBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.ces.v1beta.Agent,
+                com.google.cloud.ces.v1beta.Agent.Builder,
+                com.google.cloud.ces.v1beta.AgentOrBuilder>(
+                (com.google.cloud.ces.v1beta.Agent) resource_, getParentForChildren(), isClean());
+        resource_ = null;
+      }
+      resourceCase_ = 2;
+      onChanged();
+      return agentBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.Tool,
+            com.google.cloud.ces.v1beta.Tool.Builder,
+            com.google.cloud.ces.v1beta.ToolOrBuilder>
+        toolBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The tool resource to be used by the LLM assistant, can be empty for
+     * generating a new tool.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Tool tool = 4;</code>
+     *
+     * @return Whether the tool field is set.
+     */
+    @java.lang.Override
+    public boolean hasTool() {
+      return resourceCase_ == 4;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The tool resource to be used by the LLM assistant, can be empty for
+     * generating a new tool.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Tool tool = 4;</code>
+     *
+     * @return The tool.
+     */
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.Tool getTool() {
+      if (toolBuilder_ == null) {
+        if (resourceCase_ == 4) {
+          return (com.google.cloud.ces.v1beta.Tool) resource_;
+        }
+        return com.google.cloud.ces.v1beta.Tool.getDefaultInstance();
+      } else {
+        if (resourceCase_ == 4) {
+          return toolBuilder_.getMessage();
+        }
+        return com.google.cloud.ces.v1beta.Tool.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The tool resource to be used by the LLM assistant, can be empty for
+     * generating a new tool.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Tool tool = 4;</code>
+     */
+    public Builder setTool(com.google.cloud.ces.v1beta.Tool value) {
+      if (toolBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        resource_ = value;
+        onChanged();
+      } else {
+        toolBuilder_.setMessage(value);
+      }
+      resourceCase_ = 4;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The tool resource to be used by the LLM assistant, can be empty for
+     * generating a new tool.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Tool tool = 4;</code>
+     */
+    public Builder setTool(com.google.cloud.ces.v1beta.Tool.Builder builderForValue) {
+      if (toolBuilder_ == null) {
+        resource_ = builderForValue.build();
+        onChanged();
+      } else {
+        toolBuilder_.setMessage(builderForValue.build());
+      }
+      resourceCase_ = 4;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The tool resource to be used by the LLM assistant, can be empty for
+     * generating a new tool.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Tool tool = 4;</code>
+     */
+    public Builder mergeTool(com.google.cloud.ces.v1beta.Tool value) {
+      if (toolBuilder_ == null) {
+        if (resourceCase_ == 4
+            && resource_ != com.google.cloud.ces.v1beta.Tool.getDefaultInstance()) {
+          resource_ =
+              com.google.cloud.ces.v1beta.Tool.newBuilder(
+                      (com.google.cloud.ces.v1beta.Tool) resource_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          resource_ = value;
+        }
+        onChanged();
+      } else {
+        if (resourceCase_ == 4) {
+          toolBuilder_.mergeFrom(value);
+        } else {
+          toolBuilder_.setMessage(value);
+        }
+      }
+      resourceCase_ = 4;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The tool resource to be used by the LLM assistant, can be empty for
+     * generating a new tool.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Tool tool = 4;</code>
+     */
+    public Builder clearTool() {
+      if (toolBuilder_ == null) {
+        if (resourceCase_ == 4) {
+          resourceCase_ = 0;
+          resource_ = null;
+          onChanged();
+        }
+      } else {
+        if (resourceCase_ == 4) {
+          resourceCase_ = 0;
+          resource_ = null;
+        }
+        toolBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The tool resource to be used by the LLM assistant, can be empty for
+     * generating a new tool.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Tool tool = 4;</code>
+     */
+    public com.google.cloud.ces.v1beta.Tool.Builder getToolBuilder() {
+      return internalGetToolFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The tool resource to be used by the LLM assistant, can be empty for
+     * generating a new tool.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Tool tool = 4;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.ToolOrBuilder getToolOrBuilder() {
+      if ((resourceCase_ == 4) && (toolBuilder_ != null)) {
+        return toolBuilder_.getMessageOrBuilder();
+      } else {
+        if (resourceCase_ == 4) {
+          return (com.google.cloud.ces.v1beta.Tool) resource_;
+        }
+        return com.google.cloud.ces.v1beta.Tool.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The tool resource to be used by the LLM assistant, can be empty for
+     * generating a new tool.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Tool tool = 4;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.Tool,
+            com.google.cloud.ces.v1beta.Tool.Builder,
+            com.google.cloud.ces.v1beta.ToolOrBuilder>
+        internalGetToolFieldBuilder() {
+      if (toolBuilder_ == null) {
+        if (!(resourceCase_ == 4)) {
+          resource_ = com.google.cloud.ces.v1beta.Tool.getDefaultInstance();
+        }
+        toolBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.ces.v1beta.Tool,
+                com.google.cloud.ces.v1beta.Tool.Builder,
+                com.google.cloud.ces.v1beta.ToolOrBuilder>(
+                (com.google.cloud.ces.v1beta.Tool) resource_, getParentForChildren(), isClean());
+        resource_ = null;
+      }
+      resourceCase_ = 4;
+      onChanged();
+      return toolBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.Toolset,
+            com.google.cloud.ces.v1beta.Toolset.Builder,
+            com.google.cloud.ces.v1beta.ToolsetOrBuilder>
+        toolsetBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The toolset resource to be used by the LLM assistant, can be empty for
+     * generating a new toolset.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Toolset toolset = 6;</code>
+     *
+     * @return Whether the toolset field is set.
+     */
+    @java.lang.Override
+    public boolean hasToolset() {
+      return resourceCase_ == 6;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The toolset resource to be used by the LLM assistant, can be empty for
+     * generating a new toolset.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Toolset toolset = 6;</code>
+     *
+     * @return The toolset.
+     */
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.Toolset getToolset() {
+      if (toolsetBuilder_ == null) {
+        if (resourceCase_ == 6) {
+          return (com.google.cloud.ces.v1beta.Toolset) resource_;
+        }
+        return com.google.cloud.ces.v1beta.Toolset.getDefaultInstance();
+      } else {
+        if (resourceCase_ == 6) {
+          return toolsetBuilder_.getMessage();
+        }
+        return com.google.cloud.ces.v1beta.Toolset.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The toolset resource to be used by the LLM assistant, can be empty for
+     * generating a new toolset.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Toolset toolset = 6;</code>
+     */
+    public Builder setToolset(com.google.cloud.ces.v1beta.Toolset value) {
+      if (toolsetBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        resource_ = value;
+        onChanged();
+      } else {
+        toolsetBuilder_.setMessage(value);
+      }
+      resourceCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The toolset resource to be used by the LLM assistant, can be empty for
+     * generating a new toolset.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Toolset toolset = 6;</code>
+     */
+    public Builder setToolset(com.google.cloud.ces.v1beta.Toolset.Builder builderForValue) {
+      if (toolsetBuilder_ == null) {
+        resource_ = builderForValue.build();
+        onChanged();
+      } else {
+        toolsetBuilder_.setMessage(builderForValue.build());
+      }
+      resourceCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The toolset resource to be used by the LLM assistant, can be empty for
+     * generating a new toolset.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Toolset toolset = 6;</code>
+     */
+    public Builder mergeToolset(com.google.cloud.ces.v1beta.Toolset value) {
+      if (toolsetBuilder_ == null) {
+        if (resourceCase_ == 6
+            && resource_ != com.google.cloud.ces.v1beta.Toolset.getDefaultInstance()) {
+          resource_ =
+              com.google.cloud.ces.v1beta.Toolset.newBuilder(
+                      (com.google.cloud.ces.v1beta.Toolset) resource_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          resource_ = value;
+        }
+        onChanged();
+      } else {
+        if (resourceCase_ == 6) {
+          toolsetBuilder_.mergeFrom(value);
+        } else {
+          toolsetBuilder_.setMessage(value);
+        }
+      }
+      resourceCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The toolset resource to be used by the LLM assistant, can be empty for
+     * generating a new toolset.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Toolset toolset = 6;</code>
+     */
+    public Builder clearToolset() {
+      if (toolsetBuilder_ == null) {
+        if (resourceCase_ == 6) {
+          resourceCase_ = 0;
+          resource_ = null;
+          onChanged();
+        }
+      } else {
+        if (resourceCase_ == 6) {
+          resourceCase_ = 0;
+          resource_ = null;
+        }
+        toolsetBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The toolset resource to be used by the LLM assistant, can be empty for
+     * generating a new toolset.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Toolset toolset = 6;</code>
+     */
+    public com.google.cloud.ces.v1beta.Toolset.Builder getToolsetBuilder() {
+      return internalGetToolsetFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The toolset resource to be used by the LLM assistant, can be empty for
+     * generating a new toolset.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Toolset toolset = 6;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.ces.v1beta.ToolsetOrBuilder getToolsetOrBuilder() {
+      if ((resourceCase_ == 6) && (toolsetBuilder_ != null)) {
+        return toolsetBuilder_.getMessageOrBuilder();
+      } else {
+        if (resourceCase_ == 6) {
+          return (com.google.cloud.ces.v1beta.Toolset) resource_;
+        }
+        return com.google.cloud.ces.v1beta.Toolset.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The toolset resource to be used by the LLM assistant, can be empty for
+     * generating a new toolset.
+     * </pre>
+     *
+     * <code>.google.cloud.ces.v1beta.Toolset toolset = 6;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.Toolset,
+            com.google.cloud.ces.v1beta.Toolset.Builder,
+            com.google.cloud.ces.v1beta.ToolsetOrBuilder>
+        internalGetToolsetFieldBuilder() {
+      if (toolsetBuilder_ == null) {
+        if (!(resourceCase_ == 6)) {
+          resource_ = com.google.cloud.ces.v1beta.Toolset.getDefaultInstance();
+        }
+        toolsetBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.ces.v1beta.Toolset,
+                com.google.cloud.ces.v1beta.Toolset.Builder,
+                com.google.cloud.ces.v1beta.ToolsetOrBuilder>(
+                (com.google.cloud.ces.v1beta.Toolset) resource_, getParentForChildren(), isClean());
+        resource_ = null;
+      }
+      resourceCase_ = 6;
+      onChanged();
+      return toolsetBuilder_;
+    }
+
+    private java.lang.Object parent_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the app to generate the resource for.
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The parent.
+     */
+    public java.lang.String getParent() {
+      java.lang.Object ref = parent_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        parent_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the app to generate the resource for.
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for parent.
+     */
+    public com.google.protobuf.ByteString getParentBytes() {
+      java.lang.Object ref = parent_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        parent_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the app to generate the resource for.
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The parent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setParent(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      parent_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the app to generate the resource for.
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearParent() {
+      parent_ = getDefaultInstance().getParent();
+      bitField0_ = (bitField0_ & ~0x00000008);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the app to generate the resource for.
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for parent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setParentBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      parent_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    private java.util.List<
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions>
+        refineInstructions_ = java.util.Collections.emptyList();
+
+    private void ensureRefineInstructionsIsMutable() {
+      if (!((bitField0_ & 0x00000010) != 0)) {
+        refineInstructions_ =
+            new java.util.ArrayList<
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions>(
+                refineInstructions_);
+        bitField0_ |= 0x00000010;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions.Builder,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructionsOrBuilder>
+        refineInstructionsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of refine instructions to be used to refine the resource.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions>
+        getRefineInstructionsList() {
+      if (refineInstructionsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(refineInstructions_);
+      } else {
+        return refineInstructionsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of refine instructions to be used to refine the resource.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public int getRefineInstructionsCount() {
+      if (refineInstructionsBuilder_ == null) {
+        return refineInstructions_.size();
+      } else {
+        return refineInstructionsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of refine instructions to be used to refine the resource.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+        getRefineInstructions(int index) {
+      if (refineInstructionsBuilder_ == null) {
+        return refineInstructions_.get(index);
+      } else {
+        return refineInstructionsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of refine instructions to be used to refine the resource.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setRefineInstructions(
+        int index,
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions value) {
+      if (refineInstructionsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureRefineInstructionsIsMutable();
+        refineInstructions_.set(index, value);
+        onChanged();
+      } else {
+        refineInstructionsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of refine instructions to be used to refine the resource.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setRefineInstructions(
+        int index,
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions.Builder
+            builderForValue) {
+      if (refineInstructionsBuilder_ == null) {
+        ensureRefineInstructionsIsMutable();
+        refineInstructions_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        refineInstructionsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of refine instructions to be used to refine the resource.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addRefineInstructions(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions value) {
+      if (refineInstructionsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureRefineInstructionsIsMutable();
+        refineInstructions_.add(value);
+        onChanged();
+      } else {
+        refineInstructionsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of refine instructions to be used to refine the resource.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addRefineInstructions(
+        int index,
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions value) {
+      if (refineInstructionsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureRefineInstructionsIsMutable();
+        refineInstructions_.add(index, value);
+        onChanged();
+      } else {
+        refineInstructionsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of refine instructions to be used to refine the resource.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addRefineInstructions(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions.Builder
+            builderForValue) {
+      if (refineInstructionsBuilder_ == null) {
+        ensureRefineInstructionsIsMutable();
+        refineInstructions_.add(builderForValue.build());
+        onChanged();
+      } else {
+        refineInstructionsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of refine instructions to be used to refine the resource.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addRefineInstructions(
+        int index,
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions.Builder
+            builderForValue) {
+      if (refineInstructionsBuilder_ == null) {
+        ensureRefineInstructionsIsMutable();
+        refineInstructions_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        refineInstructionsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of refine instructions to be used to refine the resource.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addAllRefineInstructions(
+        java.lang.Iterable<
+                ? extends com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions>
+            values) {
+      if (refineInstructionsBuilder_ == null) {
+        ensureRefineInstructionsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, refineInstructions_);
+        onChanged();
+      } else {
+        refineInstructionsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of refine instructions to be used to refine the resource.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearRefineInstructions() {
+      if (refineInstructionsBuilder_ == null) {
+        refineInstructions_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000010);
+        onChanged();
+      } else {
+        refineInstructionsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of refine instructions to be used to refine the resource.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder removeRefineInstructions(int index) {
+      if (refineInstructionsBuilder_ == null) {
+        ensureRefineInstructionsIsMutable();
+        refineInstructions_.remove(index);
+        onChanged();
+      } else {
+        refineInstructionsBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of refine instructions to be used to refine the resource.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions.Builder
+        getRefineInstructionsBuilder(int index) {
+      return internalGetRefineInstructionsFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of refine instructions to be used to refine the resource.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructionsOrBuilder
+        getRefineInstructionsOrBuilder(int index) {
+      if (refineInstructionsBuilder_ == null) {
+        return refineInstructions_.get(index);
+      } else {
+        return refineInstructionsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of refine instructions to be used to refine the resource.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<
+            ? extends
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructionsOrBuilder>
+        getRefineInstructionsOrBuilderList() {
+      if (refineInstructionsBuilder_ != null) {
+        return refineInstructionsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(refineInstructions_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of refine instructions to be used to refine the resource.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions.Builder
+        addRefineInstructionsBuilder() {
+      return internalGetRefineInstructionsFieldBuilder()
+          .addBuilder(
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+                  .getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of refine instructions to be used to refine the resource.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions.Builder
+        addRefineInstructionsBuilder(int index) {
+      return internalGetRefineInstructionsFieldBuilder()
+          .addBuilder(
+              index,
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions
+                  .getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of refine instructions to be used to refine the resource.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions.Builder>
+        getRefineInstructionsBuilderList() {
+      return internalGetRefineInstructionsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions.Builder,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructionsOrBuilder>
+        internalGetRefineInstructionsFieldBuilder() {
+      if (refineInstructionsBuilder_ == null) {
+        refineInstructionsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions.Builder,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructionsOrBuilder>(
+                refineInstructions_,
+                ((bitField0_ & 0x00000010) != 0),
+                getParentForChildren(),
+                isClean());
+        refineInstructions_ = null;
+      }
+      return refineInstructionsBuilder_;
+    }
+
+    private com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+        toolGenerationConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.Builder,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfigOrBuilder>
+        toolGenerationConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the tool.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig tool_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the toolGenerationConfig field is set.
+     */
+    public boolean hasToolGenerationConfig() {
+      return ((bitField0_ & 0x00000020) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the tool.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig tool_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The toolGenerationConfig.
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+        getToolGenerationConfig() {
+      if (toolGenerationConfigBuilder_ == null) {
+        return toolGenerationConfig_ == null
+            ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .getDefaultInstance()
+            : toolGenerationConfig_;
+      } else {
+        return toolGenerationConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the tool.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig tool_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setToolGenerationConfig(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig value) {
+      if (toolGenerationConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        toolGenerationConfig_ = value;
+      } else {
+        toolGenerationConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the tool.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig tool_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setToolGenerationConfig(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.Builder
+            builderForValue) {
+      if (toolGenerationConfigBuilder_ == null) {
+        toolGenerationConfig_ = builderForValue.build();
+      } else {
+        toolGenerationConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the tool.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig tool_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeToolGenerationConfig(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig value) {
+      if (toolGenerationConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000020) != 0)
+            && toolGenerationConfig_ != null
+            && toolGenerationConfig_
+                != com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                    .getDefaultInstance()) {
+          getToolGenerationConfigBuilder().mergeFrom(value);
+        } else {
+          toolGenerationConfig_ = value;
+        }
+      } else {
+        toolGenerationConfigBuilder_.mergeFrom(value);
+      }
+      if (toolGenerationConfig_ != null) {
+        bitField0_ |= 0x00000020;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the tool.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig tool_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearToolGenerationConfig() {
+      bitField0_ = (bitField0_ & ~0x00000020);
+      toolGenerationConfig_ = null;
+      if (toolGenerationConfigBuilder_ != null) {
+        toolGenerationConfigBuilder_.dispose();
+        toolGenerationConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the tool.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig tool_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.Builder
+        getToolGenerationConfigBuilder() {
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return internalGetToolGenerationConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the tool.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig tool_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfigOrBuilder
+        getToolGenerationConfigOrBuilder() {
+      if (toolGenerationConfigBuilder_ != null) {
+        return toolGenerationConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return toolGenerationConfig_ == null
+            ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+                .getDefaultInstance()
+            : toolGenerationConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the tool.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig tool_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.Builder,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfigOrBuilder>
+        internalGetToolGenerationConfigFieldBuilder() {
+      if (toolGenerationConfigBuilder_ == null) {
+        toolGenerationConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig.Builder,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                    .ToolGenerationConfigOrBuilder>(
+                getToolGenerationConfig(), getParentForChildren(), isClean());
+        toolGenerationConfig_ = null;
+      }
+      return toolGenerationConfigBuilder_;
+    }
+
+    private com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+        appGenerationConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig.Builder,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfigOrBuilder>
+        appGenerationConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the agents and tools.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig app_generation_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the appGenerationConfig field is set.
+     */
+    public boolean hasAppGenerationConfig() {
+      return ((bitField0_ & 0x00000040) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the agents and tools.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig app_generation_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The appGenerationConfig.
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+        getAppGenerationConfig() {
+      if (appGenerationConfigBuilder_ == null) {
+        return appGenerationConfig_ == null
+            ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+                .getDefaultInstance()
+            : appGenerationConfig_;
+      } else {
+        return appGenerationConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the agents and tools.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig app_generation_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setAppGenerationConfig(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig value) {
+      if (appGenerationConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        appGenerationConfig_ = value;
+      } else {
+        appGenerationConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000040;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the agents and tools.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig app_generation_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setAppGenerationConfig(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig.Builder
+            builderForValue) {
+      if (appGenerationConfigBuilder_ == null) {
+        appGenerationConfig_ = builderForValue.build();
+      } else {
+        appGenerationConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000040;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the agents and tools.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig app_generation_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeAppGenerationConfig(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig value) {
+      if (appGenerationConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000040) != 0)
+            && appGenerationConfig_ != null
+            && appGenerationConfig_
+                != com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+                    .getDefaultInstance()) {
+          getAppGenerationConfigBuilder().mergeFrom(value);
+        } else {
+          appGenerationConfig_ = value;
+        }
+      } else {
+        appGenerationConfigBuilder_.mergeFrom(value);
+      }
+      if (appGenerationConfig_ != null) {
+        bitField0_ |= 0x00000040;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the agents and tools.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig app_generation_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearAppGenerationConfig() {
+      bitField0_ = (bitField0_ & ~0x00000040);
+      appGenerationConfig_ = null;
+      if (appGenerationConfigBuilder_ != null) {
+        appGenerationConfigBuilder_.dispose();
+        appGenerationConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the agents and tools.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig app_generation_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig.Builder
+        getAppGenerationConfigBuilder() {
+      bitField0_ |= 0x00000040;
+      onChanged();
+      return internalGetAppGenerationConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the agents and tools.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig app_generation_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfigOrBuilder
+        getAppGenerationConfigOrBuilder() {
+      if (appGenerationConfigBuilder_ != null) {
+        return appGenerationConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return appGenerationConfig_ == null
+            ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+                .getDefaultInstance()
+            : appGenerationConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the agents and tools.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig app_generation_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig.Builder,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfigOrBuilder>
+        internalGetAppGenerationConfigFieldBuilder() {
+      if (appGenerationConfigBuilder_ == null) {
+        appGenerationConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig.Builder,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                    .AppGenerationConfigOrBuilder>(
+                getAppGenerationConfig(), getParentForChildren(), isClean());
+        appGenerationConfig_ = null;
+      }
+      return appGenerationConfigBuilder_;
+    }
+
+    private com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+        evaluationGenerationConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+                .Builder,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                .EvaluationGenerationConfigOrBuilder>
+        evaluationGenerationConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the evaluations.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig evaluation_generation_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the evaluationGenerationConfig field is set.
+     */
+    public boolean hasEvaluationGenerationConfig() {
+      return ((bitField0_ & 0x00000080) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the evaluations.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig evaluation_generation_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The evaluationGenerationConfig.
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+        getEvaluationGenerationConfig() {
+      if (evaluationGenerationConfigBuilder_ == null) {
+        return evaluationGenerationConfig_ == null
+            ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+                .getDefaultInstance()
+            : evaluationGenerationConfig_;
+      } else {
+        return evaluationGenerationConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the evaluations.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig evaluation_generation_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setEvaluationGenerationConfig(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig value) {
+      if (evaluationGenerationConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        evaluationGenerationConfig_ = value;
+      } else {
+        evaluationGenerationConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000080;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the evaluations.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig evaluation_generation_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setEvaluationGenerationConfig(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig.Builder
+            builderForValue) {
+      if (evaluationGenerationConfigBuilder_ == null) {
+        evaluationGenerationConfig_ = builderForValue.build();
+      } else {
+        evaluationGenerationConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000080;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the evaluations.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig evaluation_generation_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeEvaluationGenerationConfig(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig value) {
+      if (evaluationGenerationConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000080) != 0)
+            && evaluationGenerationConfig_ != null
+            && evaluationGenerationConfig_
+                != com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+                    .getDefaultInstance()) {
+          getEvaluationGenerationConfigBuilder().mergeFrom(value);
+        } else {
+          evaluationGenerationConfig_ = value;
+        }
+      } else {
+        evaluationGenerationConfigBuilder_.mergeFrom(value);
+      }
+      if (evaluationGenerationConfig_ != null) {
+        bitField0_ |= 0x00000080;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the evaluations.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig evaluation_generation_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearEvaluationGenerationConfig() {
+      bitField0_ = (bitField0_ & ~0x00000080);
+      evaluationGenerationConfig_ = null;
+      if (evaluationGenerationConfigBuilder_ != null) {
+        evaluationGenerationConfigBuilder_.dispose();
+        evaluationGenerationConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the evaluations.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig evaluation_generation_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig.Builder
+        getEvaluationGenerationConfigBuilder() {
+      bitField0_ |= 0x00000080;
+      onChanged();
+      return internalGetEvaluationGenerationConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the evaluations.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig evaluation_generation_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationGenerationConfigOrBuilder
+        getEvaluationGenerationConfigOrBuilder() {
+      if (evaluationGenerationConfigBuilder_ != null) {
+        return evaluationGenerationConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return evaluationGenerationConfig_ == null
+            ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+                .getDefaultInstance()
+            : evaluationGenerationConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the evaluations.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig evaluation_generation_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+                .Builder,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                .EvaluationGenerationConfigOrBuilder>
+        internalGetEvaluationGenerationConfigFieldBuilder() {
+      if (evaluationGenerationConfigBuilder_ == null) {
+        evaluationGenerationConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+                    .Builder,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                    .EvaluationGenerationConfigOrBuilder>(
+                getEvaluationGenerationConfig(), getParentForChildren(), isClean());
+        evaluationGenerationConfig_ = null;
+      }
+      return evaluationGenerationConfigBuilder_;
+    }
+
+    private com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationPersonasGenerationConfig
+        evaluationPersonasGenerationConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                .EvaluationPersonasGenerationConfig,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                .EvaluationPersonasGenerationConfig.Builder,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                .EvaluationPersonasGenerationConfigOrBuilder>
+        evaluationPersonasGenerationConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the evaluation personas.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig evaluation_personas_generation_config = 9 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the evaluationPersonasGenerationConfig field is set.
+     */
+    public boolean hasEvaluationPersonasGenerationConfig() {
+      return ((bitField0_ & 0x00000100) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the evaluation personas.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig evaluation_personas_generation_config = 9 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The evaluationPersonasGenerationConfig.
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig
+        getEvaluationPersonasGenerationConfig() {
+      if (evaluationPersonasGenerationConfigBuilder_ == null) {
+        return evaluationPersonasGenerationConfig_ == null
+            ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                .EvaluationPersonasGenerationConfig.getDefaultInstance()
+            : evaluationPersonasGenerationConfig_;
+      } else {
+        return evaluationPersonasGenerationConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the evaluation personas.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig evaluation_personas_generation_config = 9 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setEvaluationPersonasGenerationConfig(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig
+            value) {
+      if (evaluationPersonasGenerationConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        evaluationPersonasGenerationConfig_ = value;
+      } else {
+        evaluationPersonasGenerationConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000100;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the evaluation personas.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig evaluation_personas_generation_config = 9 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setEvaluationPersonasGenerationConfig(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig
+                .Builder
+            builderForValue) {
+      if (evaluationPersonasGenerationConfigBuilder_ == null) {
+        evaluationPersonasGenerationConfig_ = builderForValue.build();
+      } else {
+        evaluationPersonasGenerationConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000100;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the evaluation personas.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig evaluation_personas_generation_config = 9 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeEvaluationPersonasGenerationConfig(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig
+            value) {
+      if (evaluationPersonasGenerationConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000100) != 0)
+            && evaluationPersonasGenerationConfig_ != null
+            && evaluationPersonasGenerationConfig_
+                != com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                    .EvaluationPersonasGenerationConfig.getDefaultInstance()) {
+          getEvaluationPersonasGenerationConfigBuilder().mergeFrom(value);
+        } else {
+          evaluationPersonasGenerationConfig_ = value;
+        }
+      } else {
+        evaluationPersonasGenerationConfigBuilder_.mergeFrom(value);
+      }
+      if (evaluationPersonasGenerationConfig_ != null) {
+        bitField0_ |= 0x00000100;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the evaluation personas.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig evaluation_personas_generation_config = 9 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearEvaluationPersonasGenerationConfig() {
+      bitField0_ = (bitField0_ & ~0x00000100);
+      evaluationPersonasGenerationConfig_ = null;
+      if (evaluationPersonasGenerationConfigBuilder_ != null) {
+        evaluationPersonasGenerationConfigBuilder_.dispose();
+        evaluationPersonasGenerationConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the evaluation personas.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig evaluation_personas_generation_config = 9 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig
+            .Builder
+        getEvaluationPersonasGenerationConfigBuilder() {
+      bitField0_ |= 0x00000100;
+      onChanged();
+      return internalGetEvaluationPersonasGenerationConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the evaluation personas.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig evaluation_personas_generation_config = 9 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .EvaluationPersonasGenerationConfigOrBuilder
+        getEvaluationPersonasGenerationConfigOrBuilder() {
+      if (evaluationPersonasGenerationConfigBuilder_ != null) {
+        return evaluationPersonasGenerationConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return evaluationPersonasGenerationConfig_ == null
+            ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                .EvaluationPersonasGenerationConfig.getDefaultInstance()
+            : evaluationPersonasGenerationConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used to generate the evaluation personas.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig evaluation_personas_generation_config = 9 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                .EvaluationPersonasGenerationConfig,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                .EvaluationPersonasGenerationConfig.Builder,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                .EvaluationPersonasGenerationConfigOrBuilder>
+        internalGetEvaluationPersonasGenerationConfigFieldBuilder() {
+      if (evaluationPersonasGenerationConfigBuilder_ == null) {
+        evaluationPersonasGenerationConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                    .EvaluationPersonasGenerationConfig,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                    .EvaluationPersonasGenerationConfig.Builder,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                    .EvaluationPersonasGenerationConfigOrBuilder>(
+                getEvaluationPersonasGenerationConfig(), getParentForChildren(), isClean());
+        evaluationPersonasGenerationConfig_ = null;
+      }
+      return evaluationPersonasGenerationConfigBuilder_;
+    }
+
+    private com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+        qualityReportGenerationConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+                .Builder,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                .QualityReportGenerationConfigOrBuilder>
+        qualityReportGenerationConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used for quality report generation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig quality_report_generation_config = 10 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the qualityReportGenerationConfig field is set.
+     */
+    public boolean hasQualityReportGenerationConfig() {
+      return ((bitField0_ & 0x00000200) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used for quality report generation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig quality_report_generation_config = 10 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The qualityReportGenerationConfig.
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+        getQualityReportGenerationConfig() {
+      if (qualityReportGenerationConfigBuilder_ == null) {
+        return qualityReportGenerationConfig_ == null
+            ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+                .getDefaultInstance()
+            : qualityReportGenerationConfig_;
+      } else {
+        return qualityReportGenerationConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used for quality report generation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig quality_report_generation_config = 10 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setQualityReportGenerationConfig(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+            value) {
+      if (qualityReportGenerationConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        qualityReportGenerationConfig_ = value;
+      } else {
+        qualityReportGenerationConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000200;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used for quality report generation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig quality_report_generation_config = 10 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setQualityReportGenerationConfig(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig.Builder
+            builderForValue) {
+      if (qualityReportGenerationConfigBuilder_ == null) {
+        qualityReportGenerationConfig_ = builderForValue.build();
+      } else {
+        qualityReportGenerationConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000200;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used for quality report generation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig quality_report_generation_config = 10 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeQualityReportGenerationConfig(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+            value) {
+      if (qualityReportGenerationConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000200) != 0)
+            && qualityReportGenerationConfig_ != null
+            && qualityReportGenerationConfig_
+                != com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                    .QualityReportGenerationConfig.getDefaultInstance()) {
+          getQualityReportGenerationConfigBuilder().mergeFrom(value);
+        } else {
+          qualityReportGenerationConfig_ = value;
+        }
+      } else {
+        qualityReportGenerationConfigBuilder_.mergeFrom(value);
+      }
+      if (qualityReportGenerationConfig_ != null) {
+        bitField0_ |= 0x00000200;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used for quality report generation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig quality_report_generation_config = 10 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearQualityReportGenerationConfig() {
+      bitField0_ = (bitField0_ & ~0x00000200);
+      qualityReportGenerationConfig_ = null;
+      if (qualityReportGenerationConfigBuilder_ != null) {
+        qualityReportGenerationConfigBuilder_.dispose();
+        qualityReportGenerationConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used for quality report generation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig quality_report_generation_config = 10 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+            .Builder
+        getQualityReportGenerationConfigBuilder() {
+      bitField0_ |= 0x00000200;
+      onChanged();
+      return internalGetQualityReportGenerationConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used for quality report generation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig quality_report_generation_config = 10 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+            .QualityReportGenerationConfigOrBuilder
+        getQualityReportGenerationConfigOrBuilder() {
+      if (qualityReportGenerationConfigBuilder_ != null) {
+        return qualityReportGenerationConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return qualityReportGenerationConfig_ == null
+            ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+                .getDefaultInstance()
+            : qualityReportGenerationConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used for quality report generation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig quality_report_generation_config = 10 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+                .Builder,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                .QualityReportGenerationConfigOrBuilder>
+        internalGetQualityReportGenerationConfigFieldBuilder() {
+      if (qualityReportGenerationConfigBuilder_ == null) {
+        qualityReportGenerationConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                    .QualityReportGenerationConfig,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+                    .Builder,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                    .QualityReportGenerationConfigOrBuilder>(
+                getQualityReportGenerationConfig(), getParentForChildren(), isClean());
+        qualityReportGenerationConfig_ = null;
+      }
+      return qualityReportGenerationConfigBuilder_;
+    }
+
+    private com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+        hillClimbingFixConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig.Builder,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfigOrBuilder>
+        hillClimbingFixConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used for hill climbing fixes.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig hill_climbing_fix_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the hillClimbingFixConfig field is set.
+     */
+    public boolean hasHillClimbingFixConfig() {
+      return ((bitField0_ & 0x00000400) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used for hill climbing fixes.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig hill_climbing_fix_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The hillClimbingFixConfig.
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+        getHillClimbingFixConfig() {
+      if (hillClimbingFixConfigBuilder_ == null) {
+        return hillClimbingFixConfig_ == null
+            ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+                .getDefaultInstance()
+            : hillClimbingFixConfig_;
+      } else {
+        return hillClimbingFixConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used for hill climbing fixes.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig hill_climbing_fix_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setHillClimbingFixConfig(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig value) {
+      if (hillClimbingFixConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        hillClimbingFixConfig_ = value;
+      } else {
+        hillClimbingFixConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000400;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used for hill climbing fixes.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig hill_climbing_fix_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setHillClimbingFixConfig(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig.Builder
+            builderForValue) {
+      if (hillClimbingFixConfigBuilder_ == null) {
+        hillClimbingFixConfig_ = builderForValue.build();
+      } else {
+        hillClimbingFixConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000400;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used for hill climbing fixes.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig hill_climbing_fix_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeHillClimbingFixConfig(
+        com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig value) {
+      if (hillClimbingFixConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000400) != 0)
+            && hillClimbingFixConfig_ != null
+            && hillClimbingFixConfig_
+                != com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+                    .getDefaultInstance()) {
+          getHillClimbingFixConfigBuilder().mergeFrom(value);
+        } else {
+          hillClimbingFixConfig_ = value;
+        }
+      } else {
+        hillClimbingFixConfigBuilder_.mergeFrom(value);
+      }
+      if (hillClimbingFixConfig_ != null) {
+        bitField0_ |= 0x00000400;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used for hill climbing fixes.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig hill_climbing_fix_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearHillClimbingFixConfig() {
+      bitField0_ = (bitField0_ & ~0x00000400);
+      hillClimbingFixConfig_ = null;
+      if (hillClimbingFixConfigBuilder_ != null) {
+        hillClimbingFixConfigBuilder_.dispose();
+        hillClimbingFixConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used for hill climbing fixes.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig hill_climbing_fix_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig.Builder
+        getHillClimbingFixConfigBuilder() {
+      bitField0_ |= 0x00000400;
+      onChanged();
+      return internalGetHillClimbingFixConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used for hill climbing fixes.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig hill_climbing_fix_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfigOrBuilder
+        getHillClimbingFixConfigOrBuilder() {
+      if (hillClimbingFixConfigBuilder_ != null) {
+        return hillClimbingFixConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return hillClimbingFixConfig_ == null
+            ? com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+                .getDefaultInstance()
+            : hillClimbingFixConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration to be used for hill climbing fixes.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig hill_climbing_fix_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig.Builder,
+            com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfigOrBuilder>
+        internalGetHillClimbingFixConfigFieldBuilder() {
+      if (hillClimbingFixConfigBuilder_ == null) {
+        hillClimbingFixConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+                    .Builder,
+                com.google.cloud.ces.v1beta.GenerateAppResourceRequest
+                    .HillClimbingFixConfigOrBuilder>(
+                getHillClimbingFixConfig(), getParentForChildren(), isClean());
+        hillClimbingFixConfig_ = null;
+      }
+      return hillClimbingFixConfigBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.ces.v1beta.GenerateAppResourceRequest)
+  private static final com.google.cloud.ces.v1beta.GenerateAppResourceRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.ces.v1beta.GenerateAppResourceRequest();
+  }
+
+  public static com.google.cloud.ces.v1beta.GenerateAppResourceRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<GenerateAppResourceRequest> PARSER =
+      new com.google.protobuf.AbstractParser<GenerateAppResourceRequest>() {
+        @java.lang.Override
+        public GenerateAppResourceRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<GenerateAppResourceRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<GenerateAppResourceRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.ces.v1beta.GenerateAppResourceRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GenerateAppResourceRequestOrBuilder.java b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GenerateAppResourceRequestOrBuilder.java
new file mode 100644
index 000000000000..f3fc3328054d
--- /dev/null
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GenerateAppResourceRequestOrBuilder.java
@@ -0,0 +1,521 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/ces/v1beta/agent_service.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.ces.v1beta;
+
+@com.google.protobuf.Generated
+public interface GenerateAppResourceRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.ces.v1beta.GenerateAppResourceRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The agent resource to be used by the LLM assistant, can be empty for
+   * generating a new agent.
+   * </pre>
+   *
+   * <code>.google.cloud.ces.v1beta.Agent agent = 2;</code>
+   *
+   * @return Whether the agent field is set.
+   */
+  boolean hasAgent();
+
+  /**
+   *
+   *
+   * <pre>
+   * The agent resource to be used by the LLM assistant, can be empty for
+   * generating a new agent.
+   * </pre>
+   *
+   * <code>.google.cloud.ces.v1beta.Agent agent = 2;</code>
+   *
+   * @return The agent.
+   */
+  com.google.cloud.ces.v1beta.Agent getAgent();
+
+  /**
+   *
+   *
+   * <pre>
+   * The agent resource to be used by the LLM assistant, can be empty for
+   * generating a new agent.
+   * </pre>
+   *
+   * <code>.google.cloud.ces.v1beta.Agent agent = 2;</code>
+   */
+  com.google.cloud.ces.v1beta.AgentOrBuilder getAgentOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * The tool resource to be used by the LLM assistant, can be empty for
+   * generating a new tool.
+   * </pre>
+   *
+   * <code>.google.cloud.ces.v1beta.Tool tool = 4;</code>
+   *
+   * @return Whether the tool field is set.
+   */
+  boolean hasTool();
+
+  /**
+   *
+   *
+   * <pre>
+   * The tool resource to be used by the LLM assistant, can be empty for
+   * generating a new tool.
+   * </pre>
+   *
+   * <code>.google.cloud.ces.v1beta.Tool tool = 4;</code>
+   *
+   * @return The tool.
+   */
+  com.google.cloud.ces.v1beta.Tool getTool();
+
+  /**
+   *
+   *
+   * <pre>
+   * The tool resource to be used by the LLM assistant, can be empty for
+   * generating a new tool.
+   * </pre>
+   *
+   * <code>.google.cloud.ces.v1beta.Tool tool = 4;</code>
+   */
+  com.google.cloud.ces.v1beta.ToolOrBuilder getToolOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * The toolset resource to be used by the LLM assistant, can be empty for
+   * generating a new toolset.
+   * </pre>
+   *
+   * <code>.google.cloud.ces.v1beta.Toolset toolset = 6;</code>
+   *
+   * @return Whether the toolset field is set.
+   */
+  boolean hasToolset();
+
+  /**
+   *
+   *
+   * <pre>
+   * The toolset resource to be used by the LLM assistant, can be empty for
+   * generating a new toolset.
+   * </pre>
+   *
+   * <code>.google.cloud.ces.v1beta.Toolset toolset = 6;</code>
+   *
+   * @return The toolset.
+   */
+  com.google.cloud.ces.v1beta.Toolset getToolset();
+
+  /**
+   *
+   *
+   * <pre>
+   * The toolset resource to be used by the LLM assistant, can be empty for
+   * generating a new toolset.
+   * </pre>
+   *
+   * <code>.google.cloud.ces.v1beta.Toolset toolset = 6;</code>
+   */
+  com.google.cloud.ces.v1beta.ToolsetOrBuilder getToolsetOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the app to generate the resource for.
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The parent.
+   */
+  java.lang.String getParent();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the app to generate the resource for.
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for parent.
+   */
+  com.google.protobuf.ByteString getParentBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of refine instructions to be used to refine the resource.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  java.util.List<com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions>
+      getRefineInstructionsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of refine instructions to be used to refine the resource.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions getRefineInstructions(
+      int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of refine instructions to be used to refine the resource.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  int getRefineInstructionsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of refine instructions to be used to refine the resource.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  java.util.List<
+          ? extends
+              com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructionsOrBuilder>
+      getRefineInstructionsOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of refine instructions to be used to refine the resource.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructions refine_instructions = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.RefineInstructionsOrBuilder
+      getRefineInstructionsOrBuilder(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the tool.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig tool_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the toolGenerationConfig field is set.
+   */
+  boolean hasToolGenerationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the tool.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig tool_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The toolGenerationConfig.
+   */
+  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig
+      getToolGenerationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the tool.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfig tool_generation_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ToolGenerationConfigOrBuilder
+      getToolGenerationConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the agents and tools.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig app_generation_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the appGenerationConfig field is set.
+   */
+  boolean hasAppGenerationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the agents and tools.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig app_generation_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The appGenerationConfig.
+   */
+  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig
+      getAppGenerationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the agents and tools.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfig app_generation_config = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.AppGenerationConfigOrBuilder
+      getAppGenerationConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the evaluations.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig evaluation_generation_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the evaluationGenerationConfig field is set.
+   */
+  boolean hasEvaluationGenerationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the evaluations.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig evaluation_generation_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The evaluationGenerationConfig.
+   */
+  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig
+      getEvaluationGenerationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the evaluations.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfig evaluation_generation_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationGenerationConfigOrBuilder
+      getEvaluationGenerationConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the evaluation personas.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig evaluation_personas_generation_config = 9 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the evaluationPersonasGenerationConfig field is set.
+   */
+  boolean hasEvaluationPersonasGenerationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the evaluation personas.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig evaluation_personas_generation_config = 9 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The evaluationPersonasGenerationConfig.
+   */
+  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig
+      getEvaluationPersonasGenerationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used to generate the evaluation personas.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfig evaluation_personas_generation_config = 9 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.EvaluationPersonasGenerationConfigOrBuilder
+      getEvaluationPersonasGenerationConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used for quality report generation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig quality_report_generation_config = 10 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the qualityReportGenerationConfig field is set.
+   */
+  boolean hasQualityReportGenerationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used for quality report generation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig quality_report_generation_config = 10 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The qualityReportGenerationConfig.
+   */
+  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig
+      getQualityReportGenerationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used for quality report generation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfig quality_report_generation_config = 10 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.QualityReportGenerationConfigOrBuilder
+      getQualityReportGenerationConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used for hill climbing fixes.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig hill_climbing_fix_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the hillClimbingFixConfig field is set.
+   */
+  boolean hasHillClimbingFixConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used for hill climbing fixes.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig hill_climbing_fix_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The hillClimbingFixConfig.
+   */
+  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig
+      getHillClimbingFixConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration to be used for hill climbing fixes.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfig hill_climbing_fix_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.HillClimbingFixConfigOrBuilder
+      getHillClimbingFixConfigOrBuilder();
+
+  com.google.cloud.ces.v1beta.GenerateAppResourceRequest.ResourceCase getResourceCase();
+}
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GetConversationRequest.java b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GetConversationRequest.java
index a3270cd85633..ff37d45f68af 100644
--- a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GetConversationRequest.java
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GetConversationRequest.java
@@ -145,7 +145,7 @@ public com.google.protobuf.ByteString getNameBytes() {
    * </code>
    *
    * @deprecated google.cloud.ces.v1beta.GetConversationRequest.source is deprecated. See
-   *     google/cloud/ces/v1beta/agent_service.proto;l=1172
+   *     google/cloud/ces/v1beta/agent_service.proto;l=1188
    * @return The enum numeric value on the wire for source.
    */
   @java.lang.Override
@@ -167,7 +167,7 @@ public int getSourceValue() {
    * </code>
    *
    * @deprecated google.cloud.ces.v1beta.GetConversationRequest.source is deprecated. See
-   *     google/cloud/ces/v1beta/agent_service.proto;l=1172
+   *     google/cloud/ces/v1beta/agent_service.proto;l=1188
    * @return The source.
    */
   @java.lang.Override
@@ -647,7 +647,7 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
      * </code>
      *
      * @deprecated google.cloud.ces.v1beta.GetConversationRequest.source is deprecated. See
-     *     google/cloud/ces/v1beta/agent_service.proto;l=1172
+     *     google/cloud/ces/v1beta/agent_service.proto;l=1188
      * @return The enum numeric value on the wire for source.
      */
     @java.lang.Override
@@ -669,7 +669,7 @@ public int getSourceValue() {
      * </code>
      *
      * @deprecated google.cloud.ces.v1beta.GetConversationRequest.source is deprecated. See
-     *     google/cloud/ces/v1beta/agent_service.proto;l=1172
+     *     google/cloud/ces/v1beta/agent_service.proto;l=1188
      * @param value The enum numeric value on the wire for source to set.
      * @return This builder for chaining.
      */
@@ -694,7 +694,7 @@ public Builder setSourceValue(int value) {
      * </code>
      *
      * @deprecated google.cloud.ces.v1beta.GetConversationRequest.source is deprecated. See
-     *     google/cloud/ces/v1beta/agent_service.proto;l=1172
+     *     google/cloud/ces/v1beta/agent_service.proto;l=1188
      * @return The source.
      */
     @java.lang.Override
@@ -718,7 +718,7 @@ public com.google.cloud.ces.v1beta.Conversation.Source getSource() {
      * </code>
      *
      * @deprecated google.cloud.ces.v1beta.GetConversationRequest.source is deprecated. See
-     *     google/cloud/ces/v1beta/agent_service.proto;l=1172
+     *     google/cloud/ces/v1beta/agent_service.proto;l=1188
      * @param value The source to set.
      * @return This builder for chaining.
      */
@@ -746,7 +746,7 @@ public Builder setSource(com.google.cloud.ces.v1beta.Conversation.Source value)
      * </code>
      *
      * @deprecated google.cloud.ces.v1beta.GetConversationRequest.source is deprecated. See
-     *     google/cloud/ces/v1beta/agent_service.proto;l=1172
+     *     google/cloud/ces/v1beta/agent_service.proto;l=1188
      * @return This builder for chaining.
      */
     @java.lang.Deprecated
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GetConversationRequestOrBuilder.java b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GetConversationRequestOrBuilder.java
index 7749524d95a9..37940eac39e1 100644
--- a/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GetConversationRequestOrBuilder.java
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/java/com/google/cloud/ces/v1beta/GetConversationRequestOrBuilder.java
@@ -69,7 +69,7 @@ public interface GetConversationRequestOrBuilder
    * </code>
    *
    * @deprecated google.cloud.ces.v1beta.GetConversationRequest.source is deprecated. See
-   *     google/cloud/ces/v1beta/agent_service.proto;l=1172
+   *     google/cloud/ces/v1beta/agent_service.proto;l=1188
    * @return The enum numeric value on the wire for source.
    */
   @java.lang.Deprecated
@@ -88,7 +88,7 @@ public interface GetConversationRequestOrBuilder
    * </code>
    *
    * @deprecated google.cloud.ces.v1beta.GetConversationRequest.source is deprecated. See
-   *     google/cloud/ces/v1beta/agent_service.proto;l=1172
+   *     google/cloud/ces/v1beta/agent_service.proto;l=1188
    * @return The source.
    */
   @java.lang.Deprecated
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/proto/google/cloud/ces/v1beta/agent_service.proto b/java-ces/proto-google-cloud-ces-v1beta/src/main/proto/google/cloud/ces/v1beta/agent_service.proto
index db9661b816a3..ec33baeda5d2 100644
--- a/java-ces/proto-google-cloud-ces-v1beta/src/main/proto/google/cloud/ces/v1beta/agent_service.proto
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/proto/google/cloud/ces/v1beta/agent_service.proto
@@ -28,6 +28,7 @@ import "google/cloud/ces/v1beta/conversation.proto";
 import "google/cloud/ces/v1beta/deployment.proto";
 import "google/cloud/ces/v1beta/evaluation.proto";
 import "google/cloud/ces/v1beta/example.proto";
+import "google/cloud/ces/v1beta/file_context.proto";
 import "google/cloud/ces/v1beta/guardrail.proto";
 import "google/cloud/ces/v1beta/security_settings.proto";
 import "google/cloud/ces/v1beta/tool.proto";
@@ -36,6 +37,7 @@ import "google/longrunning/operations.proto";
 import "google/protobuf/empty.proto";
 import "google/protobuf/field_mask.proto";
 import "google/protobuf/timestamp.proto";
+import "google/rpc/status.proto";
 
 option go_package = "cloud.google.com/go/ces/apiv1beta/cespb;cespb";
 option java_multiple_files = true;
@@ -502,6 +504,20 @@ service AgentService {
     };
   }
 
+  // Generates specific resources (e.g. agent) in the app using LLM assistant.
+  rpc GenerateAppResource(GenerateAppResourceRequest)
+      returns (google.longrunning.Operation) {
+    option (google.api.http) = {
+      post: "/v1beta/{parent=projects/*/locations/*/apps/*}:generateAppResource"
+      body: "*"
+    };
+    option (google.api.method_signature) = "parent";
+    option (google.longrunning.operation_info) = {
+      response_type: "GenerateAppResourceResponse"
+      metadata_type: "GenerateAppResourceOperationMetadata"
+    };
+  }
+
   // Lists the changelogs of the specified app.
   rpc ListChangelogs(ListChangelogsRequest) returns (ListChangelogsResponse) {
     option (google.api.http) = {
@@ -1657,6 +1673,194 @@ message RestoreAppVersionRequest {
 // [AgentService.RestoreAppVersion][google.cloud.ces.v1beta.AgentService.RestoreAppVersion]
 message RestoreAppVersionResponse {}
 
+// Request message for
+// [AgentService.GenerateAppResource][google.cloud.ces.v1beta.AgentService.GenerateAppResource].
+message GenerateAppResourceRequest {
+  // The instructions to be used to refine a part of the resource. The part of
+  // the resource can be specified  with a start index, end index and a field
+  // mask. For example, if you want to refine a part of the agent instructions
+  // you can specify the index of the first character of the instructions, the
+  // index of the last character of the instructions and the field mask as
+  // "instructions".
+  message RefineInstructions {
+    // Required. The first character (inclusive) of the text to refine.
+    int64 start_index = 1 [(google.api.field_behavior) = REQUIRED];
+
+    // Required. The last character (inclusive) of the text to refine.
+    int64 end_index = 2 [(google.api.field_behavior) = REQUIRED];
+
+    // Required. The field of the resource being refined. Only one field is
+    // allowed per RefineInstructions. If refining agent instructions, the field
+    // mask should be "instructions".
+    google.protobuf.FieldMask field_mask = 3
+        [(google.api.field_behavior) = REQUIRED];
+
+    // Required. The instructions to refine the resource.
+    string instructions = 4 [(google.api.field_behavior) = REQUIRED];
+  }
+
+  // The configuration to be used to generate a tool.
+  message ToolGenerationConfig {
+    // The configuration to be used to generate an Open API schema.
+    message OpenApiToolsetGenerationConfig {
+      // The configuration to be used to generate an operation in the Open API
+      // schema.
+      message OperationGenerationConfig {
+        // Required. The uri of the tool. This should include query and path
+        // parameters if any.
+        string method = 1 [(google.api.field_behavior) = REQUIRED];
+
+        // Required. The path of the tool to be appended to the base uri. This
+        // should include query and path parameters if any.
+        string path = 2 [(google.api.field_behavior) = REQUIRED];
+
+        // Required. A sample request to the tool in JSON format. Skip if the
+        // tool does not support request body.
+        string request_json = 3 [(google.api.field_behavior) = REQUIRED];
+
+        // Required. A sample response from the tool in JSON format.
+        string response_json = 4 [(google.api.field_behavior) = REQUIRED];
+      }
+
+      // Required. The base uri of the tool.
+      string uri = 1 [(google.api.field_behavior) = REQUIRED];
+
+      // Required. The list of operations to be added to the Open API schema.
+      repeated OperationGenerationConfig operation_generation_configs = 2
+          [(google.api.field_behavior) = REQUIRED];
+    }
+
+    // Optional. The context which describes the tool to be generated. This can
+    // be empty if the tool request & response are provided.
+    string context = 1 [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. The files to be used as context.
+    repeated FileContext file_contexts = 3
+        [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. The configuration to be used to generate an Open API schema.
+    OpenApiToolsetGenerationConfig open_api_toolset_generation_config = 2
+        [(google.api.field_behavior) = OPTIONAL];
+  }
+
+  // The configuration to be used to generate the app.
+  message AppGenerationConfig {
+    // Optional. The context which describes the requirements of the agents &
+    // tools to be generated.
+    string context = 1 [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. The files to be used as context.
+    repeated FileContext file_contexts = 2
+        [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. The insights dataset to be used to fetch conversation data for
+    // generating the agents & tools.
+    // Format:
+    // `projects/{project}/locations/{location}/datasets/{dataset}`.
+    string dataset_id = 3 [
+      (google.api.field_behavior) = OPTIONAL,
+      (google.api.resource_reference) = {
+        type: "contactcenterinsights.googleapis.com/Dataset"
+      }
+    ];
+
+    // Optional. Whether to generate the evaluations for the app. If true, the
+    // provided context will be used to generate the evaluations data.
+    bool generate_evaluations = 4 [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. The Cloud Storage location to store the generated question
+    // answer data to be used by the Datastore tool. This data is generated only
+    // when using conversation data as an input source. The location must be
+    // in the same project as the app.
+    // Format: `gs://...`.
+    string gcs_location = 5 [(google.api.field_behavior) = OPTIONAL];
+  }
+
+  // The configuration to be used to generate the evaluations.
+  message EvaluationGenerationConfig {
+    // Optional. The insights dataset to be used to fetch conversation data for
+    // generating the evaluations.
+    // Format:
+    // `projects/{project}/locations/{location}/datasets/{dataset}`.
+    string dataset_id = 1 [
+      (google.api.field_behavior) = OPTIONAL,
+      (google.api.resource_reference) = {
+        type: "contactcenterinsights.googleapis.com/Dataset"
+      }
+    ];
+  }
+
+  // The configuration to be used to generate the evaluation personas.
+  message EvaluationPersonasGenerationConfig {}
+
+  // The configuration to be used for quality report generation.
+  message QualityReportGenerationConfig {
+    // Required. The evaluation run used to inform quality report analysis.
+    string evaluation_run = 1 [
+      (google.api.field_behavior) = REQUIRED,
+      (google.api.resource_reference) = {
+        type: "ces.googleapis.com/EvaluationRun"
+      }
+    ];
+  }
+
+  // The configuration to be used for hill climbing fixes.
+  message HillClimbingFixConfig {
+    // Required. The quality report used to inform the instruction following
+    // fix.
+    QualityReport quality_report = 1 [(google.api.field_behavior) = REQUIRED];
+  }
+
+  // The resource to generate.
+  oneof resource {
+    // The agent resource to be used by the LLM assistant, can be empty for
+    // generating a new agent.
+    Agent agent = 2;
+
+    // The tool resource to be used by the LLM assistant, can be empty for
+    // generating a new tool.
+    Tool tool = 4;
+
+    // The toolset resource to be used by the LLM assistant, can be empty for
+    // generating a new toolset.
+    Toolset toolset = 6;
+  }
+
+  // Required. The resource name of the app to generate the resource for.
+  string parent = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = { type: "ces.googleapis.com/App" }
+  ];
+
+  // Optional. List of refine instructions to be used to refine the resource.
+  repeated RefineInstructions refine_instructions = 3
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. The configuration to be used to generate the tool.
+  ToolGenerationConfig tool_generation_config = 5
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. The configuration to be used to generate the agents and tools.
+  AppGenerationConfig app_generation_config = 7
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. The configuration to be used to generate the evaluations.
+  EvaluationGenerationConfig evaluation_generation_config = 8
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. The configuration to be used to generate the evaluation personas.
+  EvaluationPersonasGenerationConfig evaluation_personas_generation_config = 9
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. The configuration to be used for quality report generation.
+  QualityReportGenerationConfig quality_report_generation_config = 10
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. The configuration to be used for hill climbing fixes.
+  HillClimbingFixConfig hill_climbing_fix_config = 11
+      [(google.api.field_behavior) = OPTIONAL];
+}
+
 // Response message for
 // [AgentService.GenerateAppResource][google.cloud.ces.v1beta.AgentService.GenerateAppResource].
 message GenerateAppResourceResponse {
@@ -1756,6 +1960,66 @@ message QualityReport {
   repeated Issue general_issues = 3 [(google.api.field_behavior) = OPTIONAL];
 }
 
+// Operation metadata for
+// [AgentService.GenerateAppResource][google.cloud.ces.v1beta.AgentService.GenerateAppResource].
+message GenerateAppResourceOperationMetadata {
+  // The type of the generation operation.
+  enum GenerationType {
+    // Unspecified operation type.
+    GENERATION_TYPE_UNSPECIFIED = 0;
+
+    // Agent instruction restructure type.
+    AGENT_RESTRUCTURE = 1;
+
+    // Agent instruction refinement type.
+    AGENT_REFINE = 2;
+
+    // Agent creation from type.
+    AGENT_CREATE = 3;
+
+    // Tool creation type.
+    TOOL_CREATE = 4;
+
+    // Scenario creation type.
+    SCENARIO_CREATE = 5;
+
+    // Scenario creation from transcripts type.
+    SCENARIO_CREATE_FROM_TRANSCRIPTS = 7;
+
+    // Evaluation persona generation type.
+    EVALUATION_PERSONA_CREATE = 6;
+
+    // Quality report generation type.
+    QUALITY_REPORT_CREATE = 8;
+
+    // Instruction following fix type (used for hill climbing fixes).
+    INSTRUCTION_FOLLOWING_FIX = 9;
+  }
+
+  // Output only. The type of the operation.
+  GenerationType generation_type = 1
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Human-readable status of the operation, if any.
+  string message = 2 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. The time the operation was created.
+  google.protobuf.Timestamp create_time = 3
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. The time the operation finished running.
+  google.protobuf.Timestamp end_time = 4
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. The resource name of the app that the operation is associated
+  // with. Format: `projects/{project}/locations/{location}/apps/{app}`.
+  string target = 5 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Error messages from the resource generation process.
+  repeated google.rpc.Status partial_errors = 6
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+}
+
 // Request message for
 // [AgentService.ListChangelogs][google.cloud.ces.v1beta.AgentService.ListChangelogs].
 message ListChangelogsRequest {
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/proto/google/cloud/ces/v1beta/agent_tool.proto b/java-ces/proto-google-cloud-ces-v1beta/src/main/proto/google/cloud/ces/v1beta/agent_tool.proto
index 7e14d6ffe119..92e845c8a138 100644
--- a/java-ces/proto-google-cloud-ces-v1beta/src/main/proto/google/cloud/ces/v1beta/agent_tool.proto
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/proto/google/cloud/ces/v1beta/agent_tool.proto
@@ -32,9 +32,18 @@ message AgentTool {
   // Optional. Description of the tool's purpose.
   string description = 2 [(google.api.field_behavior) = OPTIONAL];
 
-  // Optional. The resource name of the root agent that is the entry point of
-  // the tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+  // Optional. Deprecated: Use `agent` instead.
+  // The resource name of the root agent that is the entry point of the tool.
+  // Format: `projects/{project}/locations/{location}/agents/{agent}`
   string root_agent = 3 [
+    deprecated = true,
+    (google.api.field_behavior) = OPTIONAL,
+    (google.api.resource_reference) = { type: "ces.googleapis.com/Agent" }
+  ];
+
+  // Optional. The resource name of the agent that is the entry point of the
+  // tool. Format: `projects/{project}/locations/{location}/agents/{agent}`
+  string agent = 4 [
     (google.api.field_behavior) = OPTIONAL,
     (google.api.resource_reference) = { type: "ces.googleapis.com/Agent" }
   ];
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/proto/google/cloud/ces/v1beta/conversation.proto b/java-ces/proto-google-cloud-ces-v1beta/src/main/proto/google/cloud/ces/v1beta/conversation.proto
index 6b4b01e2d217..71227c03a782 100644
--- a/java-ces/proto-google-cloud-ces-v1beta/src/main/proto/google/cloud/ces/v1beta/conversation.proto
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/proto/google/cloud/ces/v1beta/conversation.proto
@@ -77,6 +77,10 @@ message Conversation {
 
     // The conversation is from the evaluation.
     EVAL = 3;
+
+    // The conversation is from an agent tool. Agent tool runs the agent in a
+    // separate session, which is persisted for testing and debugging purposes.
+    AGENT_TOOL = 4;
   }
 
   // Type of the input message.
diff --git a/java-ces/proto-google-cloud-ces-v1beta/src/main/proto/google/cloud/ces/v1beta/file_context.proto b/java-ces/proto-google-cloud-ces-v1beta/src/main/proto/google/cloud/ces/v1beta/file_context.proto
new file mode 100644
index 000000000000..b32831cca697
--- /dev/null
+++ b/java-ces/proto-google-cloud-ces-v1beta/src/main/proto/google/cloud/ces/v1beta/file_context.proto
@@ -0,0 +1,45 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.cloud.ces.v1beta;
+
+import "google/api/field_behavior.proto";
+
+option go_package = "cloud.google.com/go/ces/apiv1beta/cespb;cespb";
+option java_multiple_files = true;
+option java_outer_classname = "FileContextProto";
+option java_package = "com.google.cloud.ces.v1beta";
+
+// Files to be used as context. Files can be provided as raw bytes.
+message FileContext {
+  // File provided as raw bytes.
+  message FileBytes {
+    // Required. The name of the file provided as raw bytes.
+    string file_name = 1 [(google.api.field_behavior) = REQUIRED];
+
+    // Required. The IANA standard MIME type of the source data.
+    string mime_type = 2 [(google.api.field_behavior) = REQUIRED];
+
+    // Required. Raw bytes of the file.
+    bytes data = 3 [(google.api.field_behavior) = REQUIRED];
+  }
+
+  // File provided as context.
+  oneof file {
+    // Optional. File provided as raw bytes.
+    FileBytes file_bytes = 1 [(google.api.field_behavior) = OPTIONAL];
+  }
+}
diff --git a/java-ces/samples/snippets/generated/com/google/cloud/ces/v1beta/agentservice/generateappresource/AsyncGenerateAppResource.java b/java-ces/samples/snippets/generated/com/google/cloud/ces/v1beta/agentservice/generateappresource/AsyncGenerateAppResource.java
new file mode 100644
index 000000000000..eb29d85286dd
--- /dev/null
+++ b/java-ces/samples/snippets/generated/com/google/cloud/ces/v1beta/agentservice/generateappresource/AsyncGenerateAppResource.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloud.ces.v1beta.samples;
+
+// [START ces_v1beta_generated_AgentService_GenerateAppResource_async]
+import com.google.api.core.ApiFuture;
+import com.google.cloud.ces.v1beta.AgentServiceClient;
+import com.google.cloud.ces.v1beta.AppName;
+import com.google.cloud.ces.v1beta.GenerateAppResourceRequest;
+import com.google.longrunning.Operation;
+import java.util.ArrayList;
+
+public class AsyncGenerateAppResource {
+
+  public static void main(String[] args) throws Exception {
+    asyncGenerateAppResource();
+  }
+
+  public static void asyncGenerateAppResource() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (AgentServiceClient agentServiceClient = AgentServiceClient.create()) {
+      GenerateAppResourceRequest request =
+          GenerateAppResourceRequest.newBuilder()
+              .setParent(AppName.of("[PROJECT]", "[LOCATION]", "[APP]").toString())
+              .addAllRefineInstructions(
+                  new ArrayList<GenerateAppResourceRequest.RefineInstructions>())
+              .setToolGenerationConfig(
+                  GenerateAppResourceRequest.ToolGenerationConfig.newBuilder().build())
+              .setAppGenerationConfig(
+                  GenerateAppResourceRequest.AppGenerationConfig.newBuilder().build())
+              .setEvaluationGenerationConfig(
+                  GenerateAppResourceRequest.EvaluationGenerationConfig.newBuilder().build())
+              .setEvaluationPersonasGenerationConfig(
+                  GenerateAppResourceRequest.EvaluationPersonasGenerationConfig.newBuilder()
+                      .build())
+              .setQualityReportGenerationConfig(
+                  GenerateAppResourceRequest.QualityReportGenerationConfig.newBuilder().build())
+              .setHillClimbingFixConfig(
+                  GenerateAppResourceRequest.HillClimbingFixConfig.newBuilder().build())
+              .build();
+      ApiFuture<Operation> future =
+          agentServiceClient.generateAppResourceCallable().futureCall(request);
+      // Do something.
+      Operation response = future.get();
+    }
+  }
+}
+// [END ces_v1beta_generated_AgentService_GenerateAppResource_async]
diff --git a/java-ces/samples/snippets/generated/com/google/cloud/ces/v1beta/agentservice/generateappresource/AsyncGenerateAppResourceLRO.java b/java-ces/samples/snippets/generated/com/google/cloud/ces/v1beta/agentservice/generateappresource/AsyncGenerateAppResourceLRO.java
new file mode 100644
index 000000000000..a23e004087df
--- /dev/null
+++ b/java-ces/samples/snippets/generated/com/google/cloud/ces/v1beta/agentservice/generateappresource/AsyncGenerateAppResourceLRO.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloud.ces.v1beta.samples;
+
+// [START ces_v1beta_generated_AgentService_GenerateAppResource_LRO_async]
+import com.google.api.gax.longrunning.OperationFuture;
+import com.google.cloud.ces.v1beta.AgentServiceClient;
+import com.google.cloud.ces.v1beta.AppName;
+import com.google.cloud.ces.v1beta.GenerateAppResourceOperationMetadata;
+import com.google.cloud.ces.v1beta.GenerateAppResourceRequest;
+import com.google.cloud.ces.v1beta.GenerateAppResourceResponse;
+import java.util.ArrayList;
+
+public class AsyncGenerateAppResourceLRO {
+
+  public static void main(String[] args) throws Exception {
+    asyncGenerateAppResourceLRO();
+  }
+
+  public static void asyncGenerateAppResourceLRO() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (AgentServiceClient agentServiceClient = AgentServiceClient.create()) {
+      GenerateAppResourceRequest request =
+          GenerateAppResourceRequest.newBuilder()
+              .setParent(AppName.of("[PROJECT]", "[LOCATION]", "[APP]").toString())
+              .addAllRefineInstructions(
+                  new ArrayList<GenerateAppResourceRequest.RefineInstructions>())
+              .setToolGenerationConfig(
+                  GenerateAppResourceRequest.ToolGenerationConfig.newBuilder().build())
+              .setAppGenerationConfig(
+                  GenerateAppResourceRequest.AppGenerationConfig.newBuilder().build())
+              .setEvaluationGenerationConfig(
+                  GenerateAppResourceRequest.EvaluationGenerationConfig.newBuilder().build())
+              .setEvaluationPersonasGenerationConfig(
+                  GenerateAppResourceRequest.EvaluationPersonasGenerationConfig.newBuilder()
+                      .build())
+              .setQualityReportGenerationConfig(
+                  GenerateAppResourceRequest.QualityReportGenerationConfig.newBuilder().build())
+              .setHillClimbingFixConfig(
+                  GenerateAppResourceRequest.HillClimbingFixConfig.newBuilder().build())
+              .build();
+      OperationFuture<GenerateAppResourceResponse, GenerateAppResourceOperationMetadata> future =
+          agentServiceClient.generateAppResourceOperationCallable().futureCall(request);
+      // Do something.
+      GenerateAppResourceResponse response = future.get();
+    }
+  }
+}
+// [END ces_v1beta_generated_AgentService_GenerateAppResource_LRO_async]
diff --git a/java-ces/samples/snippets/generated/com/google/cloud/ces/v1beta/agentservice/generateappresource/SyncGenerateAppResource.java b/java-ces/samples/snippets/generated/com/google/cloud/ces/v1beta/agentservice/generateappresource/SyncGenerateAppResource.java
new file mode 100644
index 000000000000..eeed7b24761b
--- /dev/null
+++ b/java-ces/samples/snippets/generated/com/google/cloud/ces/v1beta/agentservice/generateappresource/SyncGenerateAppResource.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloud.ces.v1beta.samples;
+
+// [START ces_v1beta_generated_AgentService_GenerateAppResource_sync]
+import com.google.cloud.ces.v1beta.AgentServiceClient;
+import com.google.cloud.ces.v1beta.AppName;
+import com.google.cloud.ces.v1beta.GenerateAppResourceRequest;
+import com.google.cloud.ces.v1beta.GenerateAppResourceResponse;
+import java.util.ArrayList;
+
+public class SyncGenerateAppResource {
+
+  public static void main(String[] args) throws Exception {
+    syncGenerateAppResource();
+  }
+
+  public static void syncGenerateAppResource() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (AgentServiceClient agentServiceClient = AgentServiceClient.create()) {
+      GenerateAppResourceRequest request =
+          GenerateAppResourceRequest.newBuilder()
+              .setParent(AppName.of("[PROJECT]", "[LOCATION]", "[APP]").toString())
+              .addAllRefineInstructions(
+                  new ArrayList<GenerateAppResourceRequest.RefineInstructions>())
+              .setToolGenerationConfig(
+                  GenerateAppResourceRequest.ToolGenerationConfig.newBuilder().build())
+              .setAppGenerationConfig(
+                  GenerateAppResourceRequest.AppGenerationConfig.newBuilder().build())
+              .setEvaluationGenerationConfig(
+                  GenerateAppResourceRequest.EvaluationGenerationConfig.newBuilder().build())
+              .setEvaluationPersonasGenerationConfig(
+                  GenerateAppResourceRequest.EvaluationPersonasGenerationConfig.newBuilder()
+                      .build())
+              .setQualityReportGenerationConfig(
+                  GenerateAppResourceRequest.QualityReportGenerationConfig.newBuilder().build())
+              .setHillClimbingFixConfig(
+                  GenerateAppResourceRequest.HillClimbingFixConfig.newBuilder().build())
+              .build();
+      GenerateAppResourceResponse response =
+          agentServiceClient.generateAppResourceAsync(request).get();
+    }
+  }
+}
+// [END ces_v1beta_generated_AgentService_GenerateAppResource_sync]
diff --git a/java-ces/samples/snippets/generated/com/google/cloud/ces/v1beta/agentservice/generateappresource/SyncGenerateAppResourceAppname.java b/java-ces/samples/snippets/generated/com/google/cloud/ces/v1beta/agentservice/generateappresource/SyncGenerateAppResourceAppname.java
new file mode 100644
index 000000000000..d6a5e657b473
--- /dev/null
+++ b/java-ces/samples/snippets/generated/com/google/cloud/ces/v1beta/agentservice/generateappresource/SyncGenerateAppResourceAppname.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloud.ces.v1beta.samples;
+
+// [START ces_v1beta_generated_AgentService_GenerateAppResource_Appname_sync]
+import com.google.cloud.ces.v1beta.AgentServiceClient;
+import com.google.cloud.ces.v1beta.AppName;
+import com.google.cloud.ces.v1beta.GenerateAppResourceResponse;
+
+public class SyncGenerateAppResourceAppname {
+
+  public static void main(String[] args) throws Exception {
+    syncGenerateAppResourceAppname();
+  }
+
+  public static void syncGenerateAppResourceAppname() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (AgentServiceClient agentServiceClient = AgentServiceClient.create()) {
+      AppName parent = AppName.of("[PROJECT]", "[LOCATION]", "[APP]");
+      GenerateAppResourceResponse response =
+          agentServiceClient.generateAppResourceAsync(parent).get();
+    }
+  }
+}
+// [END ces_v1beta_generated_AgentService_GenerateAppResource_Appname_sync]
diff --git a/java-ces/samples/snippets/generated/com/google/cloud/ces/v1beta/agentservice/generateappresource/SyncGenerateAppResourceString.java b/java-ces/samples/snippets/generated/com/google/cloud/ces/v1beta/agentservice/generateappresource/SyncGenerateAppResourceString.java
new file mode 100644
index 000000000000..b48413eb2ccd
--- /dev/null
+++ b/java-ces/samples/snippets/generated/com/google/cloud/ces/v1beta/agentservice/generateappresource/SyncGenerateAppResourceString.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloud.ces.v1beta.samples;
+
+// [START ces_v1beta_generated_AgentService_GenerateAppResource_String_sync]
+import com.google.cloud.ces.v1beta.AgentServiceClient;
+import com.google.cloud.ces.v1beta.AppName;
+import com.google.cloud.ces.v1beta.GenerateAppResourceResponse;
+
+public class SyncGenerateAppResourceString {
+
+  public static void main(String[] args) throws Exception {
+    syncGenerateAppResourceString();
+  }
+
+  public static void syncGenerateAppResourceString() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (AgentServiceClient agentServiceClient = AgentServiceClient.create()) {
+      String parent = AppName.of("[PROJECT]", "[LOCATION]", "[APP]").toString();
+      GenerateAppResourceResponse response =
+          agentServiceClient.generateAppResourceAsync(parent).get();
+    }
+  }
+}
+// [END ces_v1beta_generated_AgentService_GenerateAppResource_String_sync]
diff --git a/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/ChatServiceClient.java b/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/ChatServiceClient.java
index 52957f2b1f9f..b36fe40cb319 100644
--- a/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/ChatServiceClient.java
+++ b/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/ChatServiceClient.java
@@ -98,7 +98,7 @@
  *      <td><p> ListMessages</td>
  *      <td><p> Lists messages in a space that the caller is a member of, including messages from blocked members and spaces. System messages, like those announcing new space members, aren't included. If you list messages from a space with no messages, the response is an empty object. When using a REST/HTTP interface, the response contains an empty JSON object, `{}`. For an example, see [List messages](https://developers.google.com/workspace/chat/api/guides/v1/messages/list).
  * <p>  Supports the following types of [authentication](https://developers.google.com/workspace/chat/authenticate-authorize):
- * <p>  - [App authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app) with [administrator approval](https://support.google.com/a?p=chat-app-auth) in [Developer Preview](https://developers.google.com/workspace/preview)  with the authorization scope:     - `https://www.googleapis.com/auth/chat.app.messages.readonly`. When     using this authentication scope, this method only returns public     messages in a space. It doesn't include private messages.
+ * <p>  - [App authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app) with [administrator approval](https://support.google.com/a?p=chat-app-auth) with the authorization scope:     - `https://www.googleapis.com/auth/chat.app.messages.readonly`. When     using this authentication scope, this method only returns public     messages in a space. It doesn't include private messages.
  * <p>  - [User authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user) with one of the following authorization scopes:     - `https://www.googleapis.com/auth/chat.messages.readonly`     - `https://www.googleapis.com/auth/chat.messages`     - `https://www.googleapis.com/auth/chat.import` (import mode spaces     only)</td>
  *      <td>
  *      <p>Request object method variants only take one parameter, a request object, which must be constructed before the call.</p>
@@ -166,7 +166,7 @@
  *      <td><p> GetMessage</td>
  *      <td><p> Returns details about a message. For an example, see [Get details about a message](https://developers.google.com/workspace/chat/get-messages).
  * <p>  Supports the following types of [authentication](https://developers.google.com/workspace/chat/authenticate-authorize):
- * <p>  - [App authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app) with one of the following authorization scopes:     - `https://www.googleapis.com/auth/chat.bot`: When using this     authorization scope, this method returns details about a message the     Chat app has access to, like direct messages and [slash     commands](https://developers.google.com/workspace/chat/slash-commands)     that invoke the Chat app.     - `https://www.googleapis.com/auth/chat.app.messages.readonly`     with [administrator     approval](https://support.google.com/a?p=chat-app-auth) (available in     [Developer Preview](https://developers.google.com/workspace/preview)).     When using this authentication scope,     this method returns details about a public message in a space.
+ * <p>  - [App authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app) with one of the following authorization scopes:     - `https://www.googleapis.com/auth/chat.bot`: When using this     authorization scope, this method returns details about a message the     Chat app has access to, like direct messages and [slash     commands](https://developers.google.com/workspace/chat/slash-commands)     that invoke the Chat app.     - `https://www.googleapis.com/auth/chat.app.messages.readonly`     with [administrator     approval](https://support.google.com/a?p=chat-app-auth).     When using this authentication scope,     this method returns details about a public message in a space.
  * <p>  - [User authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user) with one of the following authorization scopes:     - `https://www.googleapis.com/auth/chat.messages.readonly`     - `https://www.googleapis.com/auth/chat.messages`
  * <p>  Note: Might return a message from a blocked member or space.</td>
  *      <td>
@@ -760,7 +760,7 @@
  *      <td><p> Returns an event from a Google Chat space. The [event payload](https://developers.google.com/workspace/chat/api/reference/rest/v1/spaces.spaceEvents#SpaceEvent.FIELDS.oneof_payload) contains the most recent version of the resource that changed. For example, if you request an event about a new message but the message was later updated, the server returns the updated `Message` resource in the event payload.
  * <p>  Note: The `permissionSettings` field is not returned in the Space object of the Space event data for this request.
  * <p>  Supports the following types of [authentication](https://developers.google.com/workspace/chat/authenticate-authorize) with an [authorization scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes) appropriate for reading the requested data:
- * <p>  - [App authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app) with [administrator approval](https://support.google.com/a?p=chat-app-auth) in [Developer Preview](https://developers.google.com/workspace/preview)  with one of the following authorization scopes:     - `https://www.googleapis.com/auth/chat.app.spaces`     - `https://www.googleapis.com/auth/chat.app.messages.readonly`     - `https://www.googleapis.com/auth/chat.app.memberships`
+ * <p>  - [App authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app) with [administrator approval](https://support.google.com/a?p=chat-app-auth) with one of the following authorization scopes:     - `https://www.googleapis.com/auth/chat.app.spaces`     - `https://www.googleapis.com/auth/chat.app.spaces.readonly`     - `https://www.googleapis.com/auth/chat.app.messages.readonly`     - `https://www.googleapis.com/auth/chat.app.memberships`     - `https://www.googleapis.com/auth/chat.app.memberships.readonly`
  * <p>  - [User authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user) with one of the following authorization scopes:     - `https://www.googleapis.com/auth/chat.spaces.readonly`     - `https://www.googleapis.com/auth/chat.spaces`     - `https://www.googleapis.com/auth/chat.messages.readonly`     - `https://www.googleapis.com/auth/chat.messages`     - `https://www.googleapis.com/auth/chat.messages.reactions.readonly`     - `https://www.googleapis.com/auth/chat.messages.reactions`     - `https://www.googleapis.com/auth/chat.memberships.readonly`     - `https://www.googleapis.com/auth/chat.memberships`
  * <p>  To get an event, the authenticated caller must be a member of the space.
  * <p>  For an example, see [Get details about an event from a Google Chat space](https://developers.google.com/workspace/chat/get-space-event).</td>
@@ -784,7 +784,7 @@
  *      <td><p> ListSpaceEvents</td>
  *      <td><p> Lists events from a Google Chat space. For each event, the [payload](https://developers.google.com/workspace/chat/api/reference/rest/v1/spaces.spaceEvents#SpaceEvent.FIELDS.oneof_payload) contains the most recent version of the Chat resource. For example, if you list events about new space members, the server returns `Membership` resources that contain the latest membership details. If new members were removed during the requested period, the event payload contains an empty `Membership` resource.
  * <p>  Supports the following types of [authentication](https://developers.google.com/workspace/chat/authenticate-authorize) with an [authorization scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes) appropriate for reading the requested data:
- * <p>  - [App authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app) with [administrator approval](https://support.google.com/a?p=chat-app-auth) in [Developer Preview](https://developers.google.com/workspace/preview)  with one of the following authorization scopes:     - `https://www.googleapis.com/auth/chat.app.spaces`     - `https://www.googleapis.com/auth/chat.app.messages.readonly`     - `https://www.googleapis.com/auth/chat.app.memberships`
+ * <p>  - [App authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app) with [administrator approval](https://support.google.com/a?p=chat-app-auth) with one of the following authorization scopes:     - `https://www.googleapis.com/auth/chat.app.spaces`     - `https://www.googleapis.com/auth/chat.app.spaces.readonly`     - `https://www.googleapis.com/auth/chat.app.messages.readonly`     - `https://www.googleapis.com/auth/chat.app.memberships`     - `https://www.googleapis.com/auth/chat.app.memberships.readonly`
  * <p>  - [User authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user) with one of the following authorization scopes:     - `https://www.googleapis.com/auth/chat.spaces.readonly`     - `https://www.googleapis.com/auth/chat.spaces`     - `https://www.googleapis.com/auth/chat.messages.readonly`     - `https://www.googleapis.com/auth/chat.messages`     - `https://www.googleapis.com/auth/chat.messages.reactions.readonly`     - `https://www.googleapis.com/auth/chat.messages.reactions`     - `https://www.googleapis.com/auth/chat.memberships.readonly`     - `https://www.googleapis.com/auth/chat.memberships`
  * <p>  To list events, the authenticated caller must be a member of the space.
  * <p>  For an example, see [List events from a Google Chat space](https://developers.google.com/workspace/chat/list-space-events).</td>
@@ -846,6 +846,154 @@
  *      </ul>
  *       </td>
  *    </tr>
+ *    <tr>
+ *      <td><p> CreateSection</td>
+ *      <td><p> Creates a section in Google Chat. Sections help users group conversations and customize the list of spaces displayed in Chat navigation panel. Only sections of type `CUSTOM_SECTION` can be created. For details, see [Create and organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+ * <p>  Requires [user authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user) with the [authorization scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+ * <p>    - `https://www.googleapis.com/auth/chat.users.sections`</td>
+ *      <td>
+ *      <p>Request object method variants only take one parameter, a request object, which must be constructed before the call.</p>
+ *      <ul>
+ *           <li><p> createSection(CreateSectionRequest request)
+ *      </ul>
+ *      <p>"Flattened" method variants have converted the fields of the request object into function parameters to enable multiple ways to call the same method.</p>
+ *      <ul>
+ *           <li><p> createSection(UserName parent, Section section)
+ *           <li><p> createSection(String parent, Section section)
+ *      </ul>
+ *      <p>Callable method variants take no parameters and return an immutable API callable object, which can be used to initiate calls to the service.</p>
+ *      <ul>
+ *           <li><p> createSectionCallable()
+ *      </ul>
+ *       </td>
+ *    </tr>
+ *    <tr>
+ *      <td><p> DeleteSection</td>
+ *      <td><p> Deletes a section of type `CUSTOM_SECTION`.
+ * <p>  If the section contains items, such as spaces, the items are moved to Google Chat's default sections and are not deleted.
+ * <p>  For details, see [Create and organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+ * <p>  Requires [user authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user) with the [authorization scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+ * <p>    - `https://www.googleapis.com/auth/chat.users.sections`</td>
+ *      <td>
+ *      <p>Request object method variants only take one parameter, a request object, which must be constructed before the call.</p>
+ *      <ul>
+ *           <li><p> deleteSection(DeleteSectionRequest request)
+ *      </ul>
+ *      <p>"Flattened" method variants have converted the fields of the request object into function parameters to enable multiple ways to call the same method.</p>
+ *      <ul>
+ *           <li><p> deleteSection(SectionName name)
+ *           <li><p> deleteSection(String name)
+ *      </ul>
+ *      <p>Callable method variants take no parameters and return an immutable API callable object, which can be used to initiate calls to the service.</p>
+ *      <ul>
+ *           <li><p> deleteSectionCallable()
+ *      </ul>
+ *       </td>
+ *    </tr>
+ *    <tr>
+ *      <td><p> UpdateSection</td>
+ *      <td><p> Updates a section. Only sections of type `CUSTOM_SECTION` can be updated. For details, see [Create and organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+ * <p>  Requires [user authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user) with the [authorization scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+ * <p>    - `https://www.googleapis.com/auth/chat.users.sections`</td>
+ *      <td>
+ *      <p>Request object method variants only take one parameter, a request object, which must be constructed before the call.</p>
+ *      <ul>
+ *           <li><p> updateSection(UpdateSectionRequest request)
+ *      </ul>
+ *      <p>"Flattened" method variants have converted the fields of the request object into function parameters to enable multiple ways to call the same method.</p>
+ *      <ul>
+ *           <li><p> updateSection(Section section, FieldMask updateMask)
+ *      </ul>
+ *      <p>Callable method variants take no parameters and return an immutable API callable object, which can be used to initiate calls to the service.</p>
+ *      <ul>
+ *           <li><p> updateSectionCallable()
+ *      </ul>
+ *       </td>
+ *    </tr>
+ *    <tr>
+ *      <td><p> ListSections</td>
+ *      <td><p> Lists sections available to the Chat user. Sections help users group their conversations and customize the list of spaces displayed in Chat navigation panel. For details, see [Create and organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+ * <p>  Requires [user authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user) with the [authorization scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+ * <p>    - `https://www.googleapis.com/auth/chat.users.sections`   - `https://www.googleapis.com/auth/chat.users.sections.readonly`</td>
+ *      <td>
+ *      <p>Request object method variants only take one parameter, a request object, which must be constructed before the call.</p>
+ *      <ul>
+ *           <li><p> listSections(ListSectionsRequest request)
+ *      </ul>
+ *      <p>"Flattened" method variants have converted the fields of the request object into function parameters to enable multiple ways to call the same method.</p>
+ *      <ul>
+ *           <li><p> listSections(UserName parent)
+ *           <li><p> listSections(String parent)
+ *      </ul>
+ *      <p>Callable method variants take no parameters and return an immutable API callable object, which can be used to initiate calls to the service.</p>
+ *      <ul>
+ *           <li><p> listSectionsPagedCallable()
+ *           <li><p> listSectionsCallable()
+ *      </ul>
+ *       </td>
+ *    </tr>
+ *    <tr>
+ *      <td><p> PositionSection</td>
+ *      <td><p> Changes the sort order of a section. For details, see [Create and organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+ * <p>  Requires [user authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user) with the [authorization scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+ * <p>    - `https://www.googleapis.com/auth/chat.users.sections`</td>
+ *      <td>
+ *      <p>Request object method variants only take one parameter, a request object, which must be constructed before the call.</p>
+ *      <ul>
+ *           <li><p> positionSection(PositionSectionRequest request)
+ *      </ul>
+ *      <p>Callable method variants take no parameters and return an immutable API callable object, which can be used to initiate calls to the service.</p>
+ *      <ul>
+ *           <li><p> positionSectionCallable()
+ *      </ul>
+ *       </td>
+ *    </tr>
+ *    <tr>
+ *      <td><p> ListSectionItems</td>
+ *      <td><p> Lists items in a section.
+ * <p>  Only spaces can be section items. For details, see [Create and organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+ * <p>  Requires [user authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user) with the [authorization scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+ * <p>    - `https://www.googleapis.com/auth/chat.users.sections`   - `https://www.googleapis.com/auth/chat.users.sections.readonly`</td>
+ *      <td>
+ *      <p>Request object method variants only take one parameter, a request object, which must be constructed before the call.</p>
+ *      <ul>
+ *           <li><p> listSectionItems(ListSectionItemsRequest request)
+ *      </ul>
+ *      <p>"Flattened" method variants have converted the fields of the request object into function parameters to enable multiple ways to call the same method.</p>
+ *      <ul>
+ *           <li><p> listSectionItems(SectionName parent)
+ *           <li><p> listSectionItems(String parent)
+ *      </ul>
+ *      <p>Callable method variants take no parameters and return an immutable API callable object, which can be used to initiate calls to the service.</p>
+ *      <ul>
+ *           <li><p> listSectionItemsPagedCallable()
+ *           <li><p> listSectionItemsCallable()
+ *      </ul>
+ *       </td>
+ *    </tr>
+ *    <tr>
+ *      <td><p> MoveSectionItem</td>
+ *      <td><p> Moves an item from one section to another. For example, if a section contains spaces, this method can be used to move a space to a different section. For details, see [Create and organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+ * <p>  Requires [user authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user) with the [authorization scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+ * <p>    - `https://www.googleapis.com/auth/chat.users.sections`</td>
+ *      <td>
+ *      <p>Request object method variants only take one parameter, a request object, which must be constructed before the call.</p>
+ *      <ul>
+ *           <li><p> moveSectionItem(MoveSectionItemRequest request)
+ *      </ul>
+ *      <p>"Flattened" method variants have converted the fields of the request object into function parameters to enable multiple ways to call the same method.</p>
+ *      <ul>
+ *           <li><p> moveSectionItem(SectionItemName name, SectionName targetSection)
+ *           <li><p> moveSectionItem(SectionItemName name, String targetSection)
+ *           <li><p> moveSectionItem(String name, SectionName targetSection)
+ *           <li><p> moveSectionItem(String name, String targetSection)
+ *      </ul>
+ *      <p>Callable method variants take no parameters and return an immutable API callable object, which can be used to initiate calls to the service.</p>
+ *      <ul>
+ *           <li><p> moveSectionItemCallable()
+ *      </ul>
+ *       </td>
+ *    </tr>
  *  </table>
  *
  * <p>See the individual methods for example code.
@@ -1265,11 +1413,10 @@ public final UnaryCallable<CreateMessageRequest, Message> createMessageCallable(
    *
    * <p>- [App
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
-   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) in [Developer
-   * Preview](https://developers.google.com/workspace/preview) with the authorization scope: -
-   * `https://www.googleapis.com/auth/chat.app.messages.readonly`. When using this authentication
-   * scope, this method only returns public messages in a space. It doesn't include private
-   * messages.
+   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) with the
+   * authorization scope: - `https://www.googleapis.com/auth/chat.app.messages.readonly`. When using
+   * this authentication scope, this method only returns public messages in a space. It doesn't
+   * include private messages.
    *
    * <p>- [User
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -1319,11 +1466,10 @@ public final ListMessagesPagedResponse listMessages(SpaceName parent) {
    *
    * <p>- [App
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
-   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) in [Developer
-   * Preview](https://developers.google.com/workspace/preview) with the authorization scope: -
-   * `https://www.googleapis.com/auth/chat.app.messages.readonly`. When using this authentication
-   * scope, this method only returns public messages in a space. It doesn't include private
-   * messages.
+   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) with the
+   * authorization scope: - `https://www.googleapis.com/auth/chat.app.messages.readonly`. When using
+   * this authentication scope, this method only returns public messages in a space. It doesn't
+   * include private messages.
    *
    * <p>- [User
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -1370,11 +1516,10 @@ public final ListMessagesPagedResponse listMessages(String parent) {
    *
    * <p>- [App
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
-   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) in [Developer
-   * Preview](https://developers.google.com/workspace/preview) with the authorization scope: -
-   * `https://www.googleapis.com/auth/chat.app.messages.readonly`. When using this authentication
-   * scope, this method only returns public messages in a space. It doesn't include private
-   * messages.
+   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) with the
+   * authorization scope: - `https://www.googleapis.com/auth/chat.app.messages.readonly`. When using
+   * this authentication scope, this method only returns public messages in a space. It doesn't
+   * include private messages.
    *
    * <p>- [User
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -1427,11 +1572,10 @@ public final ListMessagesPagedResponse listMessages(ListMessagesRequest request)
    *
    * <p>- [App
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
-   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) in [Developer
-   * Preview](https://developers.google.com/workspace/preview) with the authorization scope: -
-   * `https://www.googleapis.com/auth/chat.app.messages.readonly`. When using this authentication
-   * scope, this method only returns public messages in a space. It doesn't include private
-   * messages.
+   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) with the
+   * authorization scope: - `https://www.googleapis.com/auth/chat.app.messages.readonly`. When using
+   * this authentication scope, this method only returns public messages in a space. It doesn't
+   * include private messages.
    *
    * <p>- [User
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -1484,11 +1628,10 @@ public final ListMessagesPagedResponse listMessages(ListMessagesRequest request)
    *
    * <p>- [App
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
-   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) in [Developer
-   * Preview](https://developers.google.com/workspace/preview) with the authorization scope: -
-   * `https://www.googleapis.com/auth/chat.app.messages.readonly`. When using this authentication
-   * scope, this method only returns public messages in a space. It doesn't include private
-   * messages.
+   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) with the
+   * authorization scope: - `https://www.googleapis.com/auth/chat.app.messages.readonly`. When using
+   * this authentication scope, this method only returns public messages in a space. It doesn't
+   * include private messages.
    *
    * <p>- [User
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -2066,9 +2209,8 @@ public final UnaryCallable<GetMembershipRequest, Membership> getMembershipCallab
    * has access to, like direct messages and [slash
    * commands](https://developers.google.com/workspace/chat/slash-commands) that invoke the Chat
    * app. - `https://www.googleapis.com/auth/chat.app.messages.readonly` with [administrator
-   * approval](https://support.google.com/a?p=chat-app-auth) (available in [Developer
-   * Preview](https://developers.google.com/workspace/preview)). When using this authentication
-   * scope, this method returns details about a public message in a space.
+   * approval](https://support.google.com/a?p=chat-app-auth). When using this authentication scope,
+   * this method returns details about a public message in a space.
    *
    * <p>- [User
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -2120,9 +2262,8 @@ public final Message getMessage(MessageName name) {
    * has access to, like direct messages and [slash
    * commands](https://developers.google.com/workspace/chat/slash-commands) that invoke the Chat
    * app. - `https://www.googleapis.com/auth/chat.app.messages.readonly` with [administrator
-   * approval](https://support.google.com/a?p=chat-app-auth) (available in [Developer
-   * Preview](https://developers.google.com/workspace/preview)). When using this authentication
-   * scope, this method returns details about a public message in a space.
+   * approval](https://support.google.com/a?p=chat-app-auth). When using this authentication scope,
+   * this method returns details about a public message in a space.
    *
    * <p>- [User
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -2173,9 +2314,8 @@ public final Message getMessage(String name) {
    * has access to, like direct messages and [slash
    * commands](https://developers.google.com/workspace/chat/slash-commands) that invoke the Chat
    * app. - `https://www.googleapis.com/auth/chat.app.messages.readonly` with [administrator
-   * approval](https://support.google.com/a?p=chat-app-auth) (available in [Developer
-   * Preview](https://developers.google.com/workspace/preview)). When using this authentication
-   * scope, this method returns details about a public message in a space.
+   * approval](https://support.google.com/a?p=chat-app-auth). When using this authentication scope,
+   * this method returns details about a public message in a space.
    *
    * <p>- [User
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -2224,9 +2364,8 @@ public final Message getMessage(GetMessageRequest request) {
    * has access to, like direct messages and [slash
    * commands](https://developers.google.com/workspace/chat/slash-commands) that invoke the Chat
    * app. - `https://www.googleapis.com/auth/chat.app.messages.readonly` with [administrator
-   * approval](https://support.google.com/a?p=chat-app-auth) (available in [Developer
-   * Preview](https://developers.google.com/workspace/preview)). When using this authentication
-   * scope, this method returns details about a public message in a space.
+   * approval](https://support.google.com/a?p=chat-app-auth). When using this authentication scope,
+   * this method returns details about a public message in a space.
    *
    * <p>- [User
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -6749,11 +6888,12 @@ public final ThreadReadState getThreadReadState(GetThreadReadStateRequest reques
    *
    * <p>- [App
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
-   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) in [Developer
-   * Preview](https://developers.google.com/workspace/preview) with one of the following
-   * authorization scopes: - `https://www.googleapis.com/auth/chat.app.spaces` -
+   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) with one of the
+   * following authorization scopes: - `https://www.googleapis.com/auth/chat.app.spaces` -
+   * `https://www.googleapis.com/auth/chat.app.spaces.readonly` -
    * `https://www.googleapis.com/auth/chat.app.messages.readonly` -
-   * `https://www.googleapis.com/auth/chat.app.memberships`
+   * `https://www.googleapis.com/auth/chat.app.memberships` -
+   * `https://www.googleapis.com/auth/chat.app.memberships.readonly`
    *
    * <p>- [User
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -6815,11 +6955,12 @@ public final SpaceEvent getSpaceEvent(SpaceEventName name) {
    *
    * <p>- [App
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
-   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) in [Developer
-   * Preview](https://developers.google.com/workspace/preview) with one of the following
-   * authorization scopes: - `https://www.googleapis.com/auth/chat.app.spaces` -
+   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) with one of the
+   * following authorization scopes: - `https://www.googleapis.com/auth/chat.app.spaces` -
+   * `https://www.googleapis.com/auth/chat.app.spaces.readonly` -
    * `https://www.googleapis.com/auth/chat.app.messages.readonly` -
-   * `https://www.googleapis.com/auth/chat.app.memberships`
+   * `https://www.googleapis.com/auth/chat.app.memberships` -
+   * `https://www.googleapis.com/auth/chat.app.memberships.readonly`
    *
    * <p>- [User
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -6880,11 +7021,12 @@ public final SpaceEvent getSpaceEvent(String name) {
    *
    * <p>- [App
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
-   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) in [Developer
-   * Preview](https://developers.google.com/workspace/preview) with one of the following
-   * authorization scopes: - `https://www.googleapis.com/auth/chat.app.spaces` -
+   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) with one of the
+   * following authorization scopes: - `https://www.googleapis.com/auth/chat.app.spaces` -
+   * `https://www.googleapis.com/auth/chat.app.spaces.readonly` -
    * `https://www.googleapis.com/auth/chat.app.messages.readonly` -
-   * `https://www.googleapis.com/auth/chat.app.memberships`
+   * `https://www.googleapis.com/auth/chat.app.memberships` -
+   * `https://www.googleapis.com/auth/chat.app.memberships.readonly`
    *
    * <p>- [User
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -6946,11 +7088,12 @@ public final SpaceEvent getSpaceEvent(GetSpaceEventRequest request) {
    *
    * <p>- [App
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
-   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) in [Developer
-   * Preview](https://developers.google.com/workspace/preview) with one of the following
-   * authorization scopes: - `https://www.googleapis.com/auth/chat.app.spaces` -
+   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) with one of the
+   * following authorization scopes: - `https://www.googleapis.com/auth/chat.app.spaces` -
+   * `https://www.googleapis.com/auth/chat.app.spaces.readonly` -
    * `https://www.googleapis.com/auth/chat.app.messages.readonly` -
-   * `https://www.googleapis.com/auth/chat.app.memberships`
+   * `https://www.googleapis.com/auth/chat.app.memberships` -
+   * `https://www.googleapis.com/auth/chat.app.memberships.readonly`
    *
    * <p>- [User
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -7009,11 +7152,12 @@ public final UnaryCallable<GetSpaceEventRequest, SpaceEvent> getSpaceEventCallab
    *
    * <p>- [App
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
-   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) in [Developer
-   * Preview](https://developers.google.com/workspace/preview) with one of the following
-   * authorization scopes: - `https://www.googleapis.com/auth/chat.app.spaces` -
+   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) with one of the
+   * following authorization scopes: - `https://www.googleapis.com/auth/chat.app.spaces` -
+   * `https://www.googleapis.com/auth/chat.app.spaces.readonly` -
    * `https://www.googleapis.com/auth/chat.app.messages.readonly` -
-   * `https://www.googleapis.com/auth/chat.app.memberships`
+   * `https://www.googleapis.com/auth/chat.app.memberships` -
+   * `https://www.googleapis.com/auth/chat.app.memberships.readonly`
    *
    * <p>- [User
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -7110,11 +7254,12 @@ public final ListSpaceEventsPagedResponse listSpaceEvents(SpaceName parent, Stri
    *
    * <p>- [App
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
-   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) in [Developer
-   * Preview](https://developers.google.com/workspace/preview) with one of the following
-   * authorization scopes: - `https://www.googleapis.com/auth/chat.app.spaces` -
+   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) with one of the
+   * following authorization scopes: - `https://www.googleapis.com/auth/chat.app.spaces` -
+   * `https://www.googleapis.com/auth/chat.app.spaces.readonly` -
    * `https://www.googleapis.com/auth/chat.app.messages.readonly` -
-   * `https://www.googleapis.com/auth/chat.app.memberships`
+   * `https://www.googleapis.com/auth/chat.app.memberships` -
+   * `https://www.googleapis.com/auth/chat.app.memberships.readonly`
    *
    * <p>- [User
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -7208,11 +7353,12 @@ public final ListSpaceEventsPagedResponse listSpaceEvents(String parent, String
    *
    * <p>- [App
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
-   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) in [Developer
-   * Preview](https://developers.google.com/workspace/preview) with one of the following
-   * authorization scopes: - `https://www.googleapis.com/auth/chat.app.spaces` -
+   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) with one of the
+   * following authorization scopes: - `https://www.googleapis.com/auth/chat.app.spaces` -
+   * `https://www.googleapis.com/auth/chat.app.spaces.readonly` -
    * `https://www.googleapis.com/auth/chat.app.messages.readonly` -
-   * `https://www.googleapis.com/auth/chat.app.memberships`
+   * `https://www.googleapis.com/auth/chat.app.memberships` -
+   * `https://www.googleapis.com/auth/chat.app.memberships.readonly`
    *
    * <p>- [User
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -7277,11 +7423,12 @@ public final ListSpaceEventsPagedResponse listSpaceEvents(ListSpaceEventsRequest
    *
    * <p>- [App
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
-   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) in [Developer
-   * Preview](https://developers.google.com/workspace/preview) with one of the following
-   * authorization scopes: - `https://www.googleapis.com/auth/chat.app.spaces` -
+   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) with one of the
+   * following authorization scopes: - `https://www.googleapis.com/auth/chat.app.spaces` -
+   * `https://www.googleapis.com/auth/chat.app.spaces.readonly` -
    * `https://www.googleapis.com/auth/chat.app.messages.readonly` -
-   * `https://www.googleapis.com/auth/chat.app.memberships`
+   * `https://www.googleapis.com/auth/chat.app.memberships` -
+   * `https://www.googleapis.com/auth/chat.app.memberships.readonly`
    *
    * <p>- [User
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -7347,11 +7494,12 @@ public final ListSpaceEventsPagedResponse listSpaceEvents(ListSpaceEventsRequest
    *
    * <p>- [App
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
-   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) in [Developer
-   * Preview](https://developers.google.com/workspace/preview) with one of the following
-   * authorization scopes: - `https://www.googleapis.com/auth/chat.app.spaces` -
+   * with [administrator approval](https://support.google.com/a?p=chat-app-auth) with one of the
+   * following authorization scopes: - `https://www.googleapis.com/auth/chat.app.spaces` -
+   * `https://www.googleapis.com/auth/chat.app.spaces.readonly` -
    * `https://www.googleapis.com/auth/chat.app.messages.readonly` -
-   * `https://www.googleapis.com/auth/chat.app.memberships`
+   * `https://www.googleapis.com/auth/chat.app.memberships` -
+   * `https://www.googleapis.com/auth/chat.app.memberships.readonly`
    *
    * <p>- [User
    * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -7688,56 +7836,1264 @@ public final SpaceNotificationSetting updateSpaceNotificationSetting(
     return stub.updateSpaceNotificationSettingCallable();
   }
 
-  @Override
-  public final void close() {
-    stub.close();
-  }
-
-  @Override
-  public void shutdown() {
-    stub.shutdown();
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Creates a section in Google Chat. Sections help users group conversations and customize the
+   * list of spaces displayed in Chat navigation panel. Only sections of type `CUSTOM_SECTION` can
+   * be created. For details, see [Create and organize sections in Google
+   * Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   UserName parent = UserName.of("[USER]");
+   *   Section section = Section.newBuilder().build();
+   *   Section response = chatServiceClient.createSection(parent, section);
+   * }
+   * }</pre>
+   *
+   * @param parent Required. The parent resource name where the section is created.
+   *     <p>Format: `users/{user}`
+   * @param section Required. The section to create.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final Section createSection(UserName parent, Section section) {
+    CreateSectionRequest request =
+        CreateSectionRequest.newBuilder()
+            .setParent(parent == null ? null : parent.toString())
+            .setSection(section)
+            .build();
+    return createSection(request);
   }
 
-  @Override
-  public boolean isShutdown() {
-    return stub.isShutdown();
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Creates a section in Google Chat. Sections help users group conversations and customize the
+   * list of spaces displayed in Chat navigation panel. Only sections of type `CUSTOM_SECTION` can
+   * be created. For details, see [Create and organize sections in Google
+   * Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   String parent = UserName.of("[USER]").toString();
+   *   Section section = Section.newBuilder().build();
+   *   Section response = chatServiceClient.createSection(parent, section);
+   * }
+   * }</pre>
+   *
+   * @param parent Required. The parent resource name where the section is created.
+   *     <p>Format: `users/{user}`
+   * @param section Required. The section to create.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final Section createSection(String parent, Section section) {
+    CreateSectionRequest request =
+        CreateSectionRequest.newBuilder().setParent(parent).setSection(section).build();
+    return createSection(request);
   }
 
-  @Override
-  public boolean isTerminated() {
-    return stub.isTerminated();
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Creates a section in Google Chat. Sections help users group conversations and customize the
+   * list of spaces displayed in Chat navigation panel. Only sections of type `CUSTOM_SECTION` can
+   * be created. For details, see [Create and organize sections in Google
+   * Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   CreateSectionRequest request =
+   *       CreateSectionRequest.newBuilder()
+   *           .setParent(UserName.of("[USER]").toString())
+   *           .setSection(Section.newBuilder().build())
+   *           .build();
+   *   Section response = chatServiceClient.createSection(request);
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final Section createSection(CreateSectionRequest request) {
+    return createSectionCallable().call(request);
   }
 
-  @Override
-  public void shutdownNow() {
-    stub.shutdownNow();
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Creates a section in Google Chat. Sections help users group conversations and customize the
+   * list of spaces displayed in Chat navigation panel. Only sections of type `CUSTOM_SECTION` can
+   * be created. For details, see [Create and organize sections in Google
+   * Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   CreateSectionRequest request =
+   *       CreateSectionRequest.newBuilder()
+   *           .setParent(UserName.of("[USER]").toString())
+   *           .setSection(Section.newBuilder().build())
+   *           .build();
+   *   ApiFuture<Section> future = chatServiceClient.createSectionCallable().futureCall(request);
+   *   // Do something.
+   *   Section response = future.get();
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<CreateSectionRequest, Section> createSectionCallable() {
+    return stub.createSectionCallable();
   }
 
-  @Override
-  public boolean awaitTermination(long duration, TimeUnit unit) throws InterruptedException {
-    return stub.awaitTermination(duration, unit);
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Deletes a section of type `CUSTOM_SECTION`.
+   *
+   * <p>If the section contains items, such as spaces, the items are moved to Google Chat's default
+   * sections and are not deleted.
+   *
+   * <p>For details, see [Create and organize sections in Google
+   * Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   SectionName name = SectionName.of("[USER]", "[SECTION]");
+   *   chatServiceClient.deleteSection(name);
+   * }
+   * }</pre>
+   *
+   * @param name Required. The name of the section to delete.
+   *     <p>Format: `users/{user}/sections/{section}`
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final void deleteSection(SectionName name) {
+    DeleteSectionRequest request =
+        DeleteSectionRequest.newBuilder().setName(name == null ? null : name.toString()).build();
+    deleteSection(request);
   }
 
-  public static class ListMessagesPagedResponse
-      extends AbstractPagedListResponse<
-          ListMessagesRequest,
-          ListMessagesResponse,
-          Message,
-          ListMessagesPage,
-          ListMessagesFixedSizeCollection> {
-
-    public static ApiFuture<ListMessagesPagedResponse> createAsync(
-        PageContext<ListMessagesRequest, ListMessagesResponse, Message> context,
-        ApiFuture<ListMessagesResponse> futureResponse) {
-      ApiFuture<ListMessagesPage> futurePage =
-          ListMessagesPage.createEmptyPage().createPageAsync(context, futureResponse);
-      return ApiFutures.transform(
-          futurePage,
-          input -> new ListMessagesPagedResponse(input),
-          MoreExecutors.directExecutor());
-    }
-
-    private ListMessagesPagedResponse(ListMessagesPage page) {
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Deletes a section of type `CUSTOM_SECTION`.
+   *
+   * <p>If the section contains items, such as spaces, the items are moved to Google Chat's default
+   * sections and are not deleted.
+   *
+   * <p>For details, see [Create and organize sections in Google
+   * Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   String name = SectionName.of("[USER]", "[SECTION]").toString();
+   *   chatServiceClient.deleteSection(name);
+   * }
+   * }</pre>
+   *
+   * @param name Required. The name of the section to delete.
+   *     <p>Format: `users/{user}/sections/{section}`
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final void deleteSection(String name) {
+    DeleteSectionRequest request = DeleteSectionRequest.newBuilder().setName(name).build();
+    deleteSection(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Deletes a section of type `CUSTOM_SECTION`.
+   *
+   * <p>If the section contains items, such as spaces, the items are moved to Google Chat's default
+   * sections and are not deleted.
+   *
+   * <p>For details, see [Create and organize sections in Google
+   * Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   DeleteSectionRequest request =
+   *       DeleteSectionRequest.newBuilder()
+   *           .setName(SectionName.of("[USER]", "[SECTION]").toString())
+   *           .build();
+   *   chatServiceClient.deleteSection(request);
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final void deleteSection(DeleteSectionRequest request) {
+    deleteSectionCallable().call(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Deletes a section of type `CUSTOM_SECTION`.
+   *
+   * <p>If the section contains items, such as spaces, the items are moved to Google Chat's default
+   * sections and are not deleted.
+   *
+   * <p>For details, see [Create and organize sections in Google
+   * Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   DeleteSectionRequest request =
+   *       DeleteSectionRequest.newBuilder()
+   *           .setName(SectionName.of("[USER]", "[SECTION]").toString())
+   *           .build();
+   *   ApiFuture<Empty> future = chatServiceClient.deleteSectionCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<DeleteSectionRequest, Empty> deleteSectionCallable() {
+    return stub.deleteSectionCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Updates a section. Only sections of type `CUSTOM_SECTION` can be updated. For details, see
+   * [Create and organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   Section section = Section.newBuilder().build();
+   *   FieldMask updateMask = FieldMask.newBuilder().build();
+   *   Section response = chatServiceClient.updateSection(section, updateMask);
+   * }
+   * }</pre>
+   *
+   * @param section Required. The section to update.
+   * @param updateMask Required. The mask to specify which fields to update.
+   *     <p>Currently supported field paths:
+   *     <p>- `display_name`
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final Section updateSection(Section section, FieldMask updateMask) {
+    UpdateSectionRequest request =
+        UpdateSectionRequest.newBuilder().setSection(section).setUpdateMask(updateMask).build();
+    return updateSection(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Updates a section. Only sections of type `CUSTOM_SECTION` can be updated. For details, see
+   * [Create and organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   UpdateSectionRequest request =
+   *       UpdateSectionRequest.newBuilder()
+   *           .setSection(Section.newBuilder().build())
+   *           .setUpdateMask(FieldMask.newBuilder().build())
+   *           .build();
+   *   Section response = chatServiceClient.updateSection(request);
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final Section updateSection(UpdateSectionRequest request) {
+    return updateSectionCallable().call(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Updates a section. Only sections of type `CUSTOM_SECTION` can be updated. For details, see
+   * [Create and organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   UpdateSectionRequest request =
+   *       UpdateSectionRequest.newBuilder()
+   *           .setSection(Section.newBuilder().build())
+   *           .setUpdateMask(FieldMask.newBuilder().build())
+   *           .build();
+   *   ApiFuture<Section> future = chatServiceClient.updateSectionCallable().futureCall(request);
+   *   // Do something.
+   *   Section response = future.get();
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<UpdateSectionRequest, Section> updateSectionCallable() {
+    return stub.updateSectionCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists sections available to the Chat user. Sections help users group their conversations and
+   * customize the list of spaces displayed in Chat navigation panel. For details, see [Create and
+   * organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections` -
+   * `https://www.googleapis.com/auth/chat.users.sections.readonly`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   UserName parent = UserName.of("[USER]");
+   *   for (Section element : chatServiceClient.listSections(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
+   * @param parent Required. The parent, which is the user resource name that owns this collection
+   *     of sections. Only supports listing sections for the calling user. To refer to the calling
+   *     user, set one of the following:
+   *     <p>- The `me` alias. For example, `users/me`.
+   *     <p>- Their Workspace email address. For example, `users/user{@literal @}example.com`.
+   *     <p>- Their user id. For example, `users/123456789`.
+   *     <p>Format: `users/{user}`
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final ListSectionsPagedResponse listSections(UserName parent) {
+    ListSectionsRequest request =
+        ListSectionsRequest.newBuilder()
+            .setParent(parent == null ? null : parent.toString())
+            .build();
+    return listSections(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists sections available to the Chat user. Sections help users group their conversations and
+   * customize the list of spaces displayed in Chat navigation panel. For details, see [Create and
+   * organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections` -
+   * `https://www.googleapis.com/auth/chat.users.sections.readonly`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   String parent = UserName.of("[USER]").toString();
+   *   for (Section element : chatServiceClient.listSections(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
+   * @param parent Required. The parent, which is the user resource name that owns this collection
+   *     of sections. Only supports listing sections for the calling user. To refer to the calling
+   *     user, set one of the following:
+   *     <p>- The `me` alias. For example, `users/me`.
+   *     <p>- Their Workspace email address. For example, `users/user{@literal @}example.com`.
+   *     <p>- Their user id. For example, `users/123456789`.
+   *     <p>Format: `users/{user}`
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final ListSectionsPagedResponse listSections(String parent) {
+    ListSectionsRequest request = ListSectionsRequest.newBuilder().setParent(parent).build();
+    return listSections(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists sections available to the Chat user. Sections help users group their conversations and
+   * customize the list of spaces displayed in Chat navigation panel. For details, see [Create and
+   * organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections` -
+   * `https://www.googleapis.com/auth/chat.users.sections.readonly`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   ListSectionsRequest request =
+   *       ListSectionsRequest.newBuilder()
+   *           .setParent(UserName.of("[USER]").toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   for (Section element : chatServiceClient.listSections(request).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final ListSectionsPagedResponse listSections(ListSectionsRequest request) {
+    return listSectionsPagedCallable().call(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists sections available to the Chat user. Sections help users group their conversations and
+   * customize the list of spaces displayed in Chat navigation panel. For details, see [Create and
+   * organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections` -
+   * `https://www.googleapis.com/auth/chat.users.sections.readonly`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   ListSectionsRequest request =
+   *       ListSectionsRequest.newBuilder()
+   *           .setParent(UserName.of("[USER]").toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   ApiFuture<Section> future = chatServiceClient.listSectionsPagedCallable().futureCall(request);
+   *   // Do something.
+   *   for (Section element : future.get().iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<ListSectionsRequest, ListSectionsPagedResponse>
+      listSectionsPagedCallable() {
+    return stub.listSectionsPagedCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists sections available to the Chat user. Sections help users group their conversations and
+   * customize the list of spaces displayed in Chat navigation panel. For details, see [Create and
+   * organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections` -
+   * `https://www.googleapis.com/auth/chat.users.sections.readonly`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   ListSectionsRequest request =
+   *       ListSectionsRequest.newBuilder()
+   *           .setParent(UserName.of("[USER]").toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   while (true) {
+   *     ListSectionsResponse response = chatServiceClient.listSectionsCallable().call(request);
+   *     for (Section element : response.getSectionsList()) {
+   *       // doThingsWith(element);
+   *     }
+   *     String nextPageToken = response.getNextPageToken();
+   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
+   *       request = request.toBuilder().setPageToken(nextPageToken).build();
+   *     } else {
+   *       break;
+   *     }
+   *   }
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<ListSectionsRequest, ListSectionsResponse> listSectionsCallable() {
+    return stub.listSectionsCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Changes the sort order of a section. For details, see [Create and organize sections in Google
+   * Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   PositionSectionRequest request =
+   *       PositionSectionRequest.newBuilder()
+   *           .setName(SectionName.of("[USER]", "[SECTION]").toString())
+   *           .build();
+   *   PositionSectionResponse response = chatServiceClient.positionSection(request);
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final PositionSectionResponse positionSection(PositionSectionRequest request) {
+    return positionSectionCallable().call(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Changes the sort order of a section. For details, see [Create and organize sections in Google
+   * Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   PositionSectionRequest request =
+   *       PositionSectionRequest.newBuilder()
+   *           .setName(SectionName.of("[USER]", "[SECTION]").toString())
+   *           .build();
+   *   ApiFuture<PositionSectionResponse> future =
+   *       chatServiceClient.positionSectionCallable().futureCall(request);
+   *   // Do something.
+   *   PositionSectionResponse response = future.get();
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<PositionSectionRequest, PositionSectionResponse>
+      positionSectionCallable() {
+    return stub.positionSectionCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists items in a section.
+   *
+   * <p>Only spaces can be section items. For details, see [Create and organize sections in Google
+   * Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections` -
+   * `https://www.googleapis.com/auth/chat.users.sections.readonly`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   SectionName parent = SectionName.of("[USER]", "[SECTION]");
+   *   for (SectionItem element : chatServiceClient.listSectionItems(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
+   * @param parent Required. The parent, which is the section resource name that owns this
+   *     collection of section items. Only supports listing section items for the calling user.
+   *     <p>When you're filtering by space, use the wildcard `-` to search across all sections. For
+   *     example, `users/{user}/sections/-`.
+   *     <p>Format: `users/{user}/sections/{section}`
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final ListSectionItemsPagedResponse listSectionItems(SectionName parent) {
+    ListSectionItemsRequest request =
+        ListSectionItemsRequest.newBuilder()
+            .setParent(parent == null ? null : parent.toString())
+            .build();
+    return listSectionItems(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists items in a section.
+   *
+   * <p>Only spaces can be section items. For details, see [Create and organize sections in Google
+   * Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections` -
+   * `https://www.googleapis.com/auth/chat.users.sections.readonly`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   String parent = SectionName.of("[USER]", "[SECTION]").toString();
+   *   for (SectionItem element : chatServiceClient.listSectionItems(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
+   * @param parent Required. The parent, which is the section resource name that owns this
+   *     collection of section items. Only supports listing section items for the calling user.
+   *     <p>When you're filtering by space, use the wildcard `-` to search across all sections. For
+   *     example, `users/{user}/sections/-`.
+   *     <p>Format: `users/{user}/sections/{section}`
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final ListSectionItemsPagedResponse listSectionItems(String parent) {
+    ListSectionItemsRequest request =
+        ListSectionItemsRequest.newBuilder().setParent(parent).build();
+    return listSectionItems(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists items in a section.
+   *
+   * <p>Only spaces can be section items. For details, see [Create and organize sections in Google
+   * Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections` -
+   * `https://www.googleapis.com/auth/chat.users.sections.readonly`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   ListSectionItemsRequest request =
+   *       ListSectionItemsRequest.newBuilder()
+   *           .setParent(SectionName.of("[USER]", "[SECTION]").toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .setFilter("filter-1274492040")
+   *           .build();
+   *   for (SectionItem element : chatServiceClient.listSectionItems(request).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final ListSectionItemsPagedResponse listSectionItems(ListSectionItemsRequest request) {
+    return listSectionItemsPagedCallable().call(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists items in a section.
+   *
+   * <p>Only spaces can be section items. For details, see [Create and organize sections in Google
+   * Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections` -
+   * `https://www.googleapis.com/auth/chat.users.sections.readonly`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   ListSectionItemsRequest request =
+   *       ListSectionItemsRequest.newBuilder()
+   *           .setParent(SectionName.of("[USER]", "[SECTION]").toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .setFilter("filter-1274492040")
+   *           .build();
+   *   ApiFuture<SectionItem> future =
+   *       chatServiceClient.listSectionItemsPagedCallable().futureCall(request);
+   *   // Do something.
+   *   for (SectionItem element : future.get().iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<ListSectionItemsRequest, ListSectionItemsPagedResponse>
+      listSectionItemsPagedCallable() {
+    return stub.listSectionItemsPagedCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists items in a section.
+   *
+   * <p>Only spaces can be section items. For details, see [Create and organize sections in Google
+   * Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections` -
+   * `https://www.googleapis.com/auth/chat.users.sections.readonly`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   ListSectionItemsRequest request =
+   *       ListSectionItemsRequest.newBuilder()
+   *           .setParent(SectionName.of("[USER]", "[SECTION]").toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .setFilter("filter-1274492040")
+   *           .build();
+   *   while (true) {
+   *     ListSectionItemsResponse response =
+   *         chatServiceClient.listSectionItemsCallable().call(request);
+   *     for (SectionItem element : response.getSectionItemsList()) {
+   *       // doThingsWith(element);
+   *     }
+   *     String nextPageToken = response.getNextPageToken();
+   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
+   *       request = request.toBuilder().setPageToken(nextPageToken).build();
+   *     } else {
+   *       break;
+   *     }
+   *   }
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<ListSectionItemsRequest, ListSectionItemsResponse>
+      listSectionItemsCallable() {
+    return stub.listSectionItemsCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Moves an item from one section to another. For example, if a section contains spaces, this
+   * method can be used to move a space to a different section. For details, see [Create and
+   * organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   SectionItemName name = SectionItemName.of("[USER]", "[SECTION]", "[ITEM]");
+   *   SectionName targetSection = SectionName.of("[USER]", "[SECTION]");
+   *   MoveSectionItemResponse response = chatServiceClient.moveSectionItem(name, targetSection);
+   * }
+   * }</pre>
+   *
+   * @param name Required. The resource name of the section item to move.
+   *     <p>Format: `users/{user}/sections/{section}/items/{item}`
+   * @param targetSection Required. The resource name of the section to move the section item to.
+   *     <p>Format: `users/{user}/sections/{section}`
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final MoveSectionItemResponse moveSectionItem(
+      SectionItemName name, SectionName targetSection) {
+    MoveSectionItemRequest request =
+        MoveSectionItemRequest.newBuilder()
+            .setName(name == null ? null : name.toString())
+            .setTargetSection(targetSection == null ? null : targetSection.toString())
+            .build();
+    return moveSectionItem(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Moves an item from one section to another. For example, if a section contains spaces, this
+   * method can be used to move a space to a different section. For details, see [Create and
+   * organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   SectionItemName name = SectionItemName.of("[USER]", "[SECTION]", "[ITEM]");
+   *   String targetSection = SectionName.of("[USER]", "[SECTION]").toString();
+   *   MoveSectionItemResponse response = chatServiceClient.moveSectionItem(name, targetSection);
+   * }
+   * }</pre>
+   *
+   * @param name Required. The resource name of the section item to move.
+   *     <p>Format: `users/{user}/sections/{section}/items/{item}`
+   * @param targetSection Required. The resource name of the section to move the section item to.
+   *     <p>Format: `users/{user}/sections/{section}`
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final MoveSectionItemResponse moveSectionItem(SectionItemName name, String targetSection) {
+    MoveSectionItemRequest request =
+        MoveSectionItemRequest.newBuilder()
+            .setName(name == null ? null : name.toString())
+            .setTargetSection(targetSection)
+            .build();
+    return moveSectionItem(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Moves an item from one section to another. For example, if a section contains spaces, this
+   * method can be used to move a space to a different section. For details, see [Create and
+   * organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   String name = SectionItemName.of("[USER]", "[SECTION]", "[ITEM]").toString();
+   *   SectionName targetSection = SectionName.of("[USER]", "[SECTION]");
+   *   MoveSectionItemResponse response = chatServiceClient.moveSectionItem(name, targetSection);
+   * }
+   * }</pre>
+   *
+   * @param name Required. The resource name of the section item to move.
+   *     <p>Format: `users/{user}/sections/{section}/items/{item}`
+   * @param targetSection Required. The resource name of the section to move the section item to.
+   *     <p>Format: `users/{user}/sections/{section}`
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final MoveSectionItemResponse moveSectionItem(String name, SectionName targetSection) {
+    MoveSectionItemRequest request =
+        MoveSectionItemRequest.newBuilder()
+            .setName(name)
+            .setTargetSection(targetSection == null ? null : targetSection.toString())
+            .build();
+    return moveSectionItem(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Moves an item from one section to another. For example, if a section contains spaces, this
+   * method can be used to move a space to a different section. For details, see [Create and
+   * organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   String name = SectionItemName.of("[USER]", "[SECTION]", "[ITEM]").toString();
+   *   String targetSection = SectionName.of("[USER]", "[SECTION]").toString();
+   *   MoveSectionItemResponse response = chatServiceClient.moveSectionItem(name, targetSection);
+   * }
+   * }</pre>
+   *
+   * @param name Required. The resource name of the section item to move.
+   *     <p>Format: `users/{user}/sections/{section}/items/{item}`
+   * @param targetSection Required. The resource name of the section to move the section item to.
+   *     <p>Format: `users/{user}/sections/{section}`
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final MoveSectionItemResponse moveSectionItem(String name, String targetSection) {
+    MoveSectionItemRequest request =
+        MoveSectionItemRequest.newBuilder().setName(name).setTargetSection(targetSection).build();
+    return moveSectionItem(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Moves an item from one section to another. For example, if a section contains spaces, this
+   * method can be used to move a space to a different section. For details, see [Create and
+   * organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   MoveSectionItemRequest request =
+   *       MoveSectionItemRequest.newBuilder()
+   *           .setName(SectionItemName.of("[USER]", "[SECTION]", "[ITEM]").toString())
+   *           .setTargetSection(SectionName.of("[USER]", "[SECTION]").toString())
+   *           .build();
+   *   MoveSectionItemResponse response = chatServiceClient.moveSectionItem(request);
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final MoveSectionItemResponse moveSectionItem(MoveSectionItemRequest request) {
+    return moveSectionItemCallable().call(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Moves an item from one section to another. For example, if a section contains spaces, this
+   * method can be used to move a space to a different section. For details, see [Create and
+   * organize sections in Google Chat](https://support.google.com/chat/answer/16059854).
+   *
+   * <p>Requires [user
+   * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+   * with the [authorization
+   * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+   *
+   * <p>- `https://www.googleapis.com/auth/chat.users.sections`
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+   *   MoveSectionItemRequest request =
+   *       MoveSectionItemRequest.newBuilder()
+   *           .setName(SectionItemName.of("[USER]", "[SECTION]", "[ITEM]").toString())
+   *           .setTargetSection(SectionName.of("[USER]", "[SECTION]").toString())
+   *           .build();
+   *   ApiFuture<MoveSectionItemResponse> future =
+   *       chatServiceClient.moveSectionItemCallable().futureCall(request);
+   *   // Do something.
+   *   MoveSectionItemResponse response = future.get();
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<MoveSectionItemRequest, MoveSectionItemResponse>
+      moveSectionItemCallable() {
+    return stub.moveSectionItemCallable();
+  }
+
+  @Override
+  public final void close() {
+    stub.close();
+  }
+
+  @Override
+  public void shutdown() {
+    stub.shutdown();
+  }
+
+  @Override
+  public boolean isShutdown() {
+    return stub.isShutdown();
+  }
+
+  @Override
+  public boolean isTerminated() {
+    return stub.isTerminated();
+  }
+
+  @Override
+  public void shutdownNow() {
+    stub.shutdownNow();
+  }
+
+  @Override
+  public boolean awaitTermination(long duration, TimeUnit unit) throws InterruptedException {
+    return stub.awaitTermination(duration, unit);
+  }
+
+  public static class ListMessagesPagedResponse
+      extends AbstractPagedListResponse<
+          ListMessagesRequest,
+          ListMessagesResponse,
+          Message,
+          ListMessagesPage,
+          ListMessagesFixedSizeCollection> {
+
+    public static ApiFuture<ListMessagesPagedResponse> createAsync(
+        PageContext<ListMessagesRequest, ListMessagesResponse, Message> context,
+        ApiFuture<ListMessagesResponse> futureResponse) {
+      ApiFuture<ListMessagesPage> futurePage =
+          ListMessagesPage.createEmptyPage().createPageAsync(context, futureResponse);
+      return ApiFutures.transform(
+          futurePage,
+          input -> new ListMessagesPagedResponse(input),
+          MoreExecutors.directExecutor());
+    }
+
+    private ListMessagesPagedResponse(ListMessagesPage page) {
       super(page, ListMessagesFixedSizeCollection.createEmptyCollection());
     }
   }
@@ -8247,4 +9603,156 @@ protected ListSpaceEventsFixedSizeCollection createCollection(
       return new ListSpaceEventsFixedSizeCollection(pages, collectionSize);
     }
   }
+
+  public static class ListSectionsPagedResponse
+      extends AbstractPagedListResponse<
+          ListSectionsRequest,
+          ListSectionsResponse,
+          Section,
+          ListSectionsPage,
+          ListSectionsFixedSizeCollection> {
+
+    public static ApiFuture<ListSectionsPagedResponse> createAsync(
+        PageContext<ListSectionsRequest, ListSectionsResponse, Section> context,
+        ApiFuture<ListSectionsResponse> futureResponse) {
+      ApiFuture<ListSectionsPage> futurePage =
+          ListSectionsPage.createEmptyPage().createPageAsync(context, futureResponse);
+      return ApiFutures.transform(
+          futurePage,
+          input -> new ListSectionsPagedResponse(input),
+          MoreExecutors.directExecutor());
+    }
+
+    private ListSectionsPagedResponse(ListSectionsPage page) {
+      super(page, ListSectionsFixedSizeCollection.createEmptyCollection());
+    }
+  }
+
+  public static class ListSectionsPage
+      extends AbstractPage<ListSectionsRequest, ListSectionsResponse, Section, ListSectionsPage> {
+
+    private ListSectionsPage(
+        PageContext<ListSectionsRequest, ListSectionsResponse, Section> context,
+        ListSectionsResponse response) {
+      super(context, response);
+    }
+
+    private static ListSectionsPage createEmptyPage() {
+      return new ListSectionsPage(null, null);
+    }
+
+    @Override
+    protected ListSectionsPage createPage(
+        PageContext<ListSectionsRequest, ListSectionsResponse, Section> context,
+        ListSectionsResponse response) {
+      return new ListSectionsPage(context, response);
+    }
+
+    @Override
+    public ApiFuture<ListSectionsPage> createPageAsync(
+        PageContext<ListSectionsRequest, ListSectionsResponse, Section> context,
+        ApiFuture<ListSectionsResponse> futureResponse) {
+      return super.createPageAsync(context, futureResponse);
+    }
+  }
+
+  public static class ListSectionsFixedSizeCollection
+      extends AbstractFixedSizeCollection<
+          ListSectionsRequest,
+          ListSectionsResponse,
+          Section,
+          ListSectionsPage,
+          ListSectionsFixedSizeCollection> {
+
+    private ListSectionsFixedSizeCollection(List<ListSectionsPage> pages, int collectionSize) {
+      super(pages, collectionSize);
+    }
+
+    private static ListSectionsFixedSizeCollection createEmptyCollection() {
+      return new ListSectionsFixedSizeCollection(null, 0);
+    }
+
+    @Override
+    protected ListSectionsFixedSizeCollection createCollection(
+        List<ListSectionsPage> pages, int collectionSize) {
+      return new ListSectionsFixedSizeCollection(pages, collectionSize);
+    }
+  }
+
+  public static class ListSectionItemsPagedResponse
+      extends AbstractPagedListResponse<
+          ListSectionItemsRequest,
+          ListSectionItemsResponse,
+          SectionItem,
+          ListSectionItemsPage,
+          ListSectionItemsFixedSizeCollection> {
+
+    public static ApiFuture<ListSectionItemsPagedResponse> createAsync(
+        PageContext<ListSectionItemsRequest, ListSectionItemsResponse, SectionItem> context,
+        ApiFuture<ListSectionItemsResponse> futureResponse) {
+      ApiFuture<ListSectionItemsPage> futurePage =
+          ListSectionItemsPage.createEmptyPage().createPageAsync(context, futureResponse);
+      return ApiFutures.transform(
+          futurePage,
+          input -> new ListSectionItemsPagedResponse(input),
+          MoreExecutors.directExecutor());
+    }
+
+    private ListSectionItemsPagedResponse(ListSectionItemsPage page) {
+      super(page, ListSectionItemsFixedSizeCollection.createEmptyCollection());
+    }
+  }
+
+  public static class ListSectionItemsPage
+      extends AbstractPage<
+          ListSectionItemsRequest, ListSectionItemsResponse, SectionItem, ListSectionItemsPage> {
+
+    private ListSectionItemsPage(
+        PageContext<ListSectionItemsRequest, ListSectionItemsResponse, SectionItem> context,
+        ListSectionItemsResponse response) {
+      super(context, response);
+    }
+
+    private static ListSectionItemsPage createEmptyPage() {
+      return new ListSectionItemsPage(null, null);
+    }
+
+    @Override
+    protected ListSectionItemsPage createPage(
+        PageContext<ListSectionItemsRequest, ListSectionItemsResponse, SectionItem> context,
+        ListSectionItemsResponse response) {
+      return new ListSectionItemsPage(context, response);
+    }
+
+    @Override
+    public ApiFuture<ListSectionItemsPage> createPageAsync(
+        PageContext<ListSectionItemsRequest, ListSectionItemsResponse, SectionItem> context,
+        ApiFuture<ListSectionItemsResponse> futureResponse) {
+      return super.createPageAsync(context, futureResponse);
+    }
+  }
+
+  public static class ListSectionItemsFixedSizeCollection
+      extends AbstractFixedSizeCollection<
+          ListSectionItemsRequest,
+          ListSectionItemsResponse,
+          SectionItem,
+          ListSectionItemsPage,
+          ListSectionItemsFixedSizeCollection> {
+
+    private ListSectionItemsFixedSizeCollection(
+        List<ListSectionItemsPage> pages, int collectionSize) {
+      super(pages, collectionSize);
+    }
+
+    private static ListSectionItemsFixedSizeCollection createEmptyCollection() {
+      return new ListSectionItemsFixedSizeCollection(null, 0);
+    }
+
+    @Override
+    protected ListSectionItemsFixedSizeCollection createCollection(
+        List<ListSectionItemsPage> pages, int collectionSize) {
+      return new ListSectionItemsFixedSizeCollection(pages, collectionSize);
+    }
+  }
 }
diff --git a/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/ChatServiceSettings.java b/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/ChatServiceSettings.java
index 4cb84f4dcf65..d0f288e2fc7e 100644
--- a/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/ChatServiceSettings.java
+++ b/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/ChatServiceSettings.java
@@ -20,6 +20,8 @@
 import static com.google.chat.v1.ChatServiceClient.ListMembershipsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListMessagesPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListReactionsPagedResponse;
+import static com.google.chat.v1.ChatServiceClient.ListSectionItemsPagedResponse;
+import static com.google.chat.v1.ChatServiceClient.ListSectionsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListSpaceEventsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListSpacesPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.SearchSpacesPagedResponse;
@@ -285,6 +287,46 @@ public UnaryCallSettings<GetSpaceEventRequest, SpaceEvent> getSpaceEventSettings
     return ((ChatServiceStubSettings) getStubSettings()).updateSpaceNotificationSettingSettings();
   }
 
+  /** Returns the object with the settings used for calls to createSection. */
+  public UnaryCallSettings<CreateSectionRequest, Section> createSectionSettings() {
+    return ((ChatServiceStubSettings) getStubSettings()).createSectionSettings();
+  }
+
+  /** Returns the object with the settings used for calls to deleteSection. */
+  public UnaryCallSettings<DeleteSectionRequest, Empty> deleteSectionSettings() {
+    return ((ChatServiceStubSettings) getStubSettings()).deleteSectionSettings();
+  }
+
+  /** Returns the object with the settings used for calls to updateSection. */
+  public UnaryCallSettings<UpdateSectionRequest, Section> updateSectionSettings() {
+    return ((ChatServiceStubSettings) getStubSettings()).updateSectionSettings();
+  }
+
+  /** Returns the object with the settings used for calls to listSections. */
+  public PagedCallSettings<ListSectionsRequest, ListSectionsResponse, ListSectionsPagedResponse>
+      listSectionsSettings() {
+    return ((ChatServiceStubSettings) getStubSettings()).listSectionsSettings();
+  }
+
+  /** Returns the object with the settings used for calls to positionSection. */
+  public UnaryCallSettings<PositionSectionRequest, PositionSectionResponse>
+      positionSectionSettings() {
+    return ((ChatServiceStubSettings) getStubSettings()).positionSectionSettings();
+  }
+
+  /** Returns the object with the settings used for calls to listSectionItems. */
+  public PagedCallSettings<
+          ListSectionItemsRequest, ListSectionItemsResponse, ListSectionItemsPagedResponse>
+      listSectionItemsSettings() {
+    return ((ChatServiceStubSettings) getStubSettings()).listSectionItemsSettings();
+  }
+
+  /** Returns the object with the settings used for calls to moveSectionItem. */
+  public UnaryCallSettings<MoveSectionItemRequest, MoveSectionItemResponse>
+      moveSectionItemSettings() {
+    return ((ChatServiceStubSettings) getStubSettings()).moveSectionItemSettings();
+  }
+
   public static final ChatServiceSettings create(ChatServiceStubSettings stub) throws IOException {
     return new ChatServiceSettings.Builder(stub.toBuilder()).build();
   }
@@ -596,6 +638,47 @@ public UnaryCallSettings.Builder<GetSpaceEventRequest, SpaceEvent> getSpaceEvent
       return getStubSettingsBuilder().updateSpaceNotificationSettingSettings();
     }
 
+    /** Returns the builder for the settings used for calls to createSection. */
+    public UnaryCallSettings.Builder<CreateSectionRequest, Section> createSectionSettings() {
+      return getStubSettingsBuilder().createSectionSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to deleteSection. */
+    public UnaryCallSettings.Builder<DeleteSectionRequest, Empty> deleteSectionSettings() {
+      return getStubSettingsBuilder().deleteSectionSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to updateSection. */
+    public UnaryCallSettings.Builder<UpdateSectionRequest, Section> updateSectionSettings() {
+      return getStubSettingsBuilder().updateSectionSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to listSections. */
+    public PagedCallSettings.Builder<
+            ListSectionsRequest, ListSectionsResponse, ListSectionsPagedResponse>
+        listSectionsSettings() {
+      return getStubSettingsBuilder().listSectionsSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to positionSection. */
+    public UnaryCallSettings.Builder<PositionSectionRequest, PositionSectionResponse>
+        positionSectionSettings() {
+      return getStubSettingsBuilder().positionSectionSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to listSectionItems. */
+    public PagedCallSettings.Builder<
+            ListSectionItemsRequest, ListSectionItemsResponse, ListSectionItemsPagedResponse>
+        listSectionItemsSettings() {
+      return getStubSettingsBuilder().listSectionItemsSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to moveSectionItem. */
+    public UnaryCallSettings.Builder<MoveSectionItemRequest, MoveSectionItemResponse>
+        moveSectionItemSettings() {
+      return getStubSettingsBuilder().moveSectionItemSettings();
+    }
+
     @Override
     public ChatServiceSettings build() throws IOException {
       return new ChatServiceSettings(this);
diff --git a/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/gapic_metadata.json b/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/gapic_metadata.json
index 32fa1905d001..ccdd152e2645 100644
--- a/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/gapic_metadata.json
+++ b/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/gapic_metadata.json
@@ -25,6 +25,9 @@
             "CreateReaction": {
               "methods": ["createReaction", "createReaction", "createReaction", "createReactionCallable"]
             },
+            "CreateSection": {
+              "methods": ["createSection", "createSection", "createSection", "createSectionCallable"]
+            },
             "CreateSpace": {
               "methods": ["createSpace", "createSpace", "createSpaceCallable"]
             },
@@ -40,6 +43,9 @@
             "DeleteReaction": {
               "methods": ["deleteReaction", "deleteReaction", "deleteReaction", "deleteReactionCallable"]
             },
+            "DeleteSection": {
+              "methods": ["deleteSection", "deleteSection", "deleteSection", "deleteSectionCallable"]
+            },
             "DeleteSpace": {
               "methods": ["deleteSpace", "deleteSpace", "deleteSpace", "deleteSpaceCallable"]
             },
@@ -85,12 +91,24 @@
             "ListReactions": {
               "methods": ["listReactions", "listReactions", "listReactions", "listReactionsPagedCallable", "listReactionsCallable"]
             },
+            "ListSectionItems": {
+              "methods": ["listSectionItems", "listSectionItems", "listSectionItems", "listSectionItemsPagedCallable", "listSectionItemsCallable"]
+            },
+            "ListSections": {
+              "methods": ["listSections", "listSections", "listSections", "listSectionsPagedCallable", "listSectionsCallable"]
+            },
             "ListSpaceEvents": {
               "methods": ["listSpaceEvents", "listSpaceEvents", "listSpaceEvents", "listSpaceEventsPagedCallable", "listSpaceEventsCallable"]
             },
             "ListSpaces": {
               "methods": ["listSpaces", "listSpaces", "listSpacesPagedCallable", "listSpacesCallable"]
             },
+            "MoveSectionItem": {
+              "methods": ["moveSectionItem", "moveSectionItem", "moveSectionItem", "moveSectionItem", "moveSectionItem", "moveSectionItemCallable"]
+            },
+            "PositionSection": {
+              "methods": ["positionSection", "positionSectionCallable"]
+            },
             "SearchSpaces": {
               "methods": ["searchSpaces", "searchSpaces", "searchSpacesPagedCallable", "searchSpacesCallable"]
             },
@@ -103,6 +121,9 @@
             "UpdateMessage": {
               "methods": ["updateMessage", "updateMessage", "updateMessageCallable"]
             },
+            "UpdateSection": {
+              "methods": ["updateSection", "updateSection", "updateSectionCallable"]
+            },
             "UpdateSpace": {
               "methods": ["updateSpace", "updateSpace", "updateSpaceCallable"]
             },
diff --git a/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/stub/ChatServiceStub.java b/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/stub/ChatServiceStub.java
index 999448b3adae..bf882802d428 100644
--- a/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/stub/ChatServiceStub.java
+++ b/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/stub/ChatServiceStub.java
@@ -20,6 +20,8 @@
 import static com.google.chat.v1.ChatServiceClient.ListMembershipsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListMessagesPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListReactionsPagedResponse;
+import static com.google.chat.v1.ChatServiceClient.ListSectionItemsPagedResponse;
+import static com.google.chat.v1.ChatServiceClient.ListSectionsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListSpaceEventsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListSpacesPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.SearchSpacesPagedResponse;
@@ -33,12 +35,14 @@
 import com.google.chat.v1.CreateMembershipRequest;
 import com.google.chat.v1.CreateMessageRequest;
 import com.google.chat.v1.CreateReactionRequest;
+import com.google.chat.v1.CreateSectionRequest;
 import com.google.chat.v1.CreateSpaceRequest;
 import com.google.chat.v1.CustomEmoji;
 import com.google.chat.v1.DeleteCustomEmojiRequest;
 import com.google.chat.v1.DeleteMembershipRequest;
 import com.google.chat.v1.DeleteMessageRequest;
 import com.google.chat.v1.DeleteReactionRequest;
+import com.google.chat.v1.DeleteSectionRequest;
 import com.google.chat.v1.DeleteSpaceRequest;
 import com.google.chat.v1.FindDirectMessageRequest;
 import com.google.chat.v1.GetAttachmentRequest;
@@ -58,15 +62,24 @@
 import com.google.chat.v1.ListMessagesResponse;
 import com.google.chat.v1.ListReactionsRequest;
 import com.google.chat.v1.ListReactionsResponse;
+import com.google.chat.v1.ListSectionItemsRequest;
+import com.google.chat.v1.ListSectionItemsResponse;
+import com.google.chat.v1.ListSectionsRequest;
+import com.google.chat.v1.ListSectionsResponse;
 import com.google.chat.v1.ListSpaceEventsRequest;
 import com.google.chat.v1.ListSpaceEventsResponse;
 import com.google.chat.v1.ListSpacesRequest;
 import com.google.chat.v1.ListSpacesResponse;
 import com.google.chat.v1.Membership;
 import com.google.chat.v1.Message;
+import com.google.chat.v1.MoveSectionItemRequest;
+import com.google.chat.v1.MoveSectionItemResponse;
+import com.google.chat.v1.PositionSectionRequest;
+import com.google.chat.v1.PositionSectionResponse;
 import com.google.chat.v1.Reaction;
 import com.google.chat.v1.SearchSpacesRequest;
 import com.google.chat.v1.SearchSpacesResponse;
+import com.google.chat.v1.Section;
 import com.google.chat.v1.SetUpSpaceRequest;
 import com.google.chat.v1.Space;
 import com.google.chat.v1.SpaceEvent;
@@ -75,6 +88,7 @@
 import com.google.chat.v1.ThreadReadState;
 import com.google.chat.v1.UpdateMembershipRequest;
 import com.google.chat.v1.UpdateMessageRequest;
+import com.google.chat.v1.UpdateSectionRequest;
 import com.google.chat.v1.UpdateSpaceNotificationSettingRequest;
 import com.google.chat.v1.UpdateSpaceReadStateRequest;
 import com.google.chat.v1.UpdateSpaceRequest;
@@ -271,6 +285,44 @@ public UnaryCallable<ListSpaceEventsRequest, ListSpaceEventsResponse> listSpaceE
         "Not implemented: updateSpaceNotificationSettingCallable()");
   }
 
+  public UnaryCallable<CreateSectionRequest, Section> createSectionCallable() {
+    throw new UnsupportedOperationException("Not implemented: createSectionCallable()");
+  }
+
+  public UnaryCallable<DeleteSectionRequest, Empty> deleteSectionCallable() {
+    throw new UnsupportedOperationException("Not implemented: deleteSectionCallable()");
+  }
+
+  public UnaryCallable<UpdateSectionRequest, Section> updateSectionCallable() {
+    throw new UnsupportedOperationException("Not implemented: updateSectionCallable()");
+  }
+
+  public UnaryCallable<ListSectionsRequest, ListSectionsPagedResponse> listSectionsPagedCallable() {
+    throw new UnsupportedOperationException("Not implemented: listSectionsPagedCallable()");
+  }
+
+  public UnaryCallable<ListSectionsRequest, ListSectionsResponse> listSectionsCallable() {
+    throw new UnsupportedOperationException("Not implemented: listSectionsCallable()");
+  }
+
+  public UnaryCallable<PositionSectionRequest, PositionSectionResponse> positionSectionCallable() {
+    throw new UnsupportedOperationException("Not implemented: positionSectionCallable()");
+  }
+
+  public UnaryCallable<ListSectionItemsRequest, ListSectionItemsPagedResponse>
+      listSectionItemsPagedCallable() {
+    throw new UnsupportedOperationException("Not implemented: listSectionItemsPagedCallable()");
+  }
+
+  public UnaryCallable<ListSectionItemsRequest, ListSectionItemsResponse>
+      listSectionItemsCallable() {
+    throw new UnsupportedOperationException("Not implemented: listSectionItemsCallable()");
+  }
+
+  public UnaryCallable<MoveSectionItemRequest, MoveSectionItemResponse> moveSectionItemCallable() {
+    throw new UnsupportedOperationException("Not implemented: moveSectionItemCallable()");
+  }
+
   @Override
   public abstract void close();
 }
diff --git a/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/stub/ChatServiceStubSettings.java b/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/stub/ChatServiceStubSettings.java
index 555265d810e3..e230dff29482 100644
--- a/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/stub/ChatServiceStubSettings.java
+++ b/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/stub/ChatServiceStubSettings.java
@@ -20,6 +20,8 @@
 import static com.google.chat.v1.ChatServiceClient.ListMembershipsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListMessagesPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListReactionsPagedResponse;
+import static com.google.chat.v1.ChatServiceClient.ListSectionItemsPagedResponse;
+import static com.google.chat.v1.ChatServiceClient.ListSectionsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListSpaceEventsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListSpacesPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.SearchSpacesPagedResponse;
@@ -58,12 +60,14 @@
 import com.google.chat.v1.CreateMembershipRequest;
 import com.google.chat.v1.CreateMessageRequest;
 import com.google.chat.v1.CreateReactionRequest;
+import com.google.chat.v1.CreateSectionRequest;
 import com.google.chat.v1.CreateSpaceRequest;
 import com.google.chat.v1.CustomEmoji;
 import com.google.chat.v1.DeleteCustomEmojiRequest;
 import com.google.chat.v1.DeleteMembershipRequest;
 import com.google.chat.v1.DeleteMessageRequest;
 import com.google.chat.v1.DeleteReactionRequest;
+import com.google.chat.v1.DeleteSectionRequest;
 import com.google.chat.v1.DeleteSpaceRequest;
 import com.google.chat.v1.FindDirectMessageRequest;
 import com.google.chat.v1.GetAttachmentRequest;
@@ -83,15 +87,25 @@
 import com.google.chat.v1.ListMessagesResponse;
 import com.google.chat.v1.ListReactionsRequest;
 import com.google.chat.v1.ListReactionsResponse;
+import com.google.chat.v1.ListSectionItemsRequest;
+import com.google.chat.v1.ListSectionItemsResponse;
+import com.google.chat.v1.ListSectionsRequest;
+import com.google.chat.v1.ListSectionsResponse;
 import com.google.chat.v1.ListSpaceEventsRequest;
 import com.google.chat.v1.ListSpaceEventsResponse;
 import com.google.chat.v1.ListSpacesRequest;
 import com.google.chat.v1.ListSpacesResponse;
 import com.google.chat.v1.Membership;
 import com.google.chat.v1.Message;
+import com.google.chat.v1.MoveSectionItemRequest;
+import com.google.chat.v1.MoveSectionItemResponse;
+import com.google.chat.v1.PositionSectionRequest;
+import com.google.chat.v1.PositionSectionResponse;
 import com.google.chat.v1.Reaction;
 import com.google.chat.v1.SearchSpacesRequest;
 import com.google.chat.v1.SearchSpacesResponse;
+import com.google.chat.v1.Section;
+import com.google.chat.v1.SectionItem;
 import com.google.chat.v1.SetUpSpaceRequest;
 import com.google.chat.v1.Space;
 import com.google.chat.v1.SpaceEvent;
@@ -100,6 +114,7 @@
 import com.google.chat.v1.ThreadReadState;
 import com.google.chat.v1.UpdateMembershipRequest;
 import com.google.chat.v1.UpdateMessageRequest;
+import com.google.chat.v1.UpdateSectionRequest;
 import com.google.chat.v1.UpdateSpaceNotificationSettingRequest;
 import com.google.chat.v1.UpdateSpaceReadStateRequest;
 import com.google.chat.v1.UpdateSpaceRequest;
@@ -178,9 +193,11 @@ public class ChatServiceStubSettings extends StubSettings<ChatServiceStubSetting
           .add("https://www.googleapis.com/auth/chat.admin.spaces.readonly")
           .add("https://www.googleapis.com/auth/chat.app.delete")
           .add("https://www.googleapis.com/auth/chat.app.memberships")
+          .add("https://www.googleapis.com/auth/chat.app.memberships.readonly")
           .add("https://www.googleapis.com/auth/chat.app.messages.readonly")
           .add("https://www.googleapis.com/auth/chat.app.spaces")
           .add("https://www.googleapis.com/auth/chat.app.spaces.create")
+          .add("https://www.googleapis.com/auth/chat.app.spaces.readonly")
           .add("https://www.googleapis.com/auth/chat.bot")
           .add("https://www.googleapis.com/auth/chat.customemojis")
           .add("https://www.googleapis.com/auth/chat.customemojis.readonly")
@@ -200,6 +217,8 @@ public class ChatServiceStubSettings extends StubSettings<ChatServiceStubSetting
           .add("https://www.googleapis.com/auth/chat.spaces.readonly")
           .add("https://www.googleapis.com/auth/chat.users.readstate")
           .add("https://www.googleapis.com/auth/chat.users.readstate.readonly")
+          .add("https://www.googleapis.com/auth/chat.users.sections")
+          .add("https://www.googleapis.com/auth/chat.users.sections.readonly")
           .add("https://www.googleapis.com/auth/chat.users.spacesettings")
           .build();
 
@@ -258,6 +277,19 @@ public class ChatServiceStubSettings extends StubSettings<ChatServiceStubSetting
       getSpaceNotificationSettingSettings;
   private final UnaryCallSettings<UpdateSpaceNotificationSettingRequest, SpaceNotificationSetting>
       updateSpaceNotificationSettingSettings;
+  private final UnaryCallSettings<CreateSectionRequest, Section> createSectionSettings;
+  private final UnaryCallSettings<DeleteSectionRequest, Empty> deleteSectionSettings;
+  private final UnaryCallSettings<UpdateSectionRequest, Section> updateSectionSettings;
+  private final PagedCallSettings<
+          ListSectionsRequest, ListSectionsResponse, ListSectionsPagedResponse>
+      listSectionsSettings;
+  private final UnaryCallSettings<PositionSectionRequest, PositionSectionResponse>
+      positionSectionSettings;
+  private final PagedCallSettings<
+          ListSectionItemsRequest, ListSectionItemsResponse, ListSectionItemsPagedResponse>
+      listSectionItemsSettings;
+  private final UnaryCallSettings<MoveSectionItemRequest, MoveSectionItemResponse>
+      moveSectionItemSettings;
 
   private static final PagedListDescriptor<ListMessagesRequest, ListMessagesResponse, Message>
       LIST_MESSAGES_PAGE_STR_DESC =
@@ -507,6 +539,78 @@ public Iterable<SpaceEvent> extractResources(ListSpaceEventsResponse payload) {
             }
           };
 
+  private static final PagedListDescriptor<ListSectionsRequest, ListSectionsResponse, Section>
+      LIST_SECTIONS_PAGE_STR_DESC =
+          new PagedListDescriptor<ListSectionsRequest, ListSectionsResponse, Section>() {
+            @Override
+            public String emptyToken() {
+              return "";
+            }
+
+            @Override
+            public ListSectionsRequest injectToken(ListSectionsRequest payload, String token) {
+              return ListSectionsRequest.newBuilder(payload).setPageToken(token).build();
+            }
+
+            @Override
+            public ListSectionsRequest injectPageSize(ListSectionsRequest payload, int pageSize) {
+              return ListSectionsRequest.newBuilder(payload).setPageSize(pageSize).build();
+            }
+
+            @Override
+            public Integer extractPageSize(ListSectionsRequest payload) {
+              return payload.getPageSize();
+            }
+
+            @Override
+            public String extractNextToken(ListSectionsResponse payload) {
+              return payload.getNextPageToken();
+            }
+
+            @Override
+            public Iterable<Section> extractResources(ListSectionsResponse payload) {
+              return payload.getSectionsList();
+            }
+          };
+
+  private static final PagedListDescriptor<
+          ListSectionItemsRequest, ListSectionItemsResponse, SectionItem>
+      LIST_SECTION_ITEMS_PAGE_STR_DESC =
+          new PagedListDescriptor<
+              ListSectionItemsRequest, ListSectionItemsResponse, SectionItem>() {
+            @Override
+            public String emptyToken() {
+              return "";
+            }
+
+            @Override
+            public ListSectionItemsRequest injectToken(
+                ListSectionItemsRequest payload, String token) {
+              return ListSectionItemsRequest.newBuilder(payload).setPageToken(token).build();
+            }
+
+            @Override
+            public ListSectionItemsRequest injectPageSize(
+                ListSectionItemsRequest payload, int pageSize) {
+              return ListSectionItemsRequest.newBuilder(payload).setPageSize(pageSize).build();
+            }
+
+            @Override
+            public Integer extractPageSize(ListSectionItemsRequest payload) {
+              return payload.getPageSize();
+            }
+
+            @Override
+            public String extractNextToken(ListSectionItemsResponse payload) {
+              return payload.getNextPageToken();
+            }
+
+            @Override
+            public Iterable<SectionItem> extractResources(ListSectionItemsResponse payload) {
+              return payload.getSectionItemsList();
+            }
+          };
+
   private static final PagedListResponseFactory<
           ListMessagesRequest, ListMessagesResponse, ListMessagesPagedResponse>
       LIST_MESSAGES_PAGE_STR_FACT =
@@ -628,6 +732,42 @@ public ApiFuture<ListSpaceEventsPagedResponse> getFuturePagedResponse(
             }
           };
 
+  private static final PagedListResponseFactory<
+          ListSectionsRequest, ListSectionsResponse, ListSectionsPagedResponse>
+      LIST_SECTIONS_PAGE_STR_FACT =
+          new PagedListResponseFactory<
+              ListSectionsRequest, ListSectionsResponse, ListSectionsPagedResponse>() {
+            @Override
+            public ApiFuture<ListSectionsPagedResponse> getFuturePagedResponse(
+                UnaryCallable<ListSectionsRequest, ListSectionsResponse> callable,
+                ListSectionsRequest request,
+                ApiCallContext context,
+                ApiFuture<ListSectionsResponse> futureResponse) {
+              PageContext<ListSectionsRequest, ListSectionsResponse, Section> pageContext =
+                  PageContext.create(callable, LIST_SECTIONS_PAGE_STR_DESC, request, context);
+              return ListSectionsPagedResponse.createAsync(pageContext, futureResponse);
+            }
+          };
+
+  private static final PagedListResponseFactory<
+          ListSectionItemsRequest, ListSectionItemsResponse, ListSectionItemsPagedResponse>
+      LIST_SECTION_ITEMS_PAGE_STR_FACT =
+          new PagedListResponseFactory<
+              ListSectionItemsRequest, ListSectionItemsResponse, ListSectionItemsPagedResponse>() {
+            @Override
+            public ApiFuture<ListSectionItemsPagedResponse> getFuturePagedResponse(
+                UnaryCallable<ListSectionItemsRequest, ListSectionItemsResponse> callable,
+                ListSectionItemsRequest request,
+                ApiCallContext context,
+                ApiFuture<ListSectionItemsResponse> futureResponse) {
+              PageContext<ListSectionItemsRequest, ListSectionItemsResponse, SectionItem>
+                  pageContext =
+                      PageContext.create(
+                          callable, LIST_SECTION_ITEMS_PAGE_STR_DESC, request, context);
+              return ListSectionItemsPagedResponse.createAsync(pageContext, futureResponse);
+            }
+          };
+
   /** Returns the object with the settings used for calls to createMessage. */
   public UnaryCallSettings<CreateMessageRequest, Message> createMessageSettings() {
     return createMessageSettings;
@@ -819,6 +959,46 @@ public UnaryCallSettings<GetSpaceEventRequest, SpaceEvent> getSpaceEventSettings
     return updateSpaceNotificationSettingSettings;
   }
 
+  /** Returns the object with the settings used for calls to createSection. */
+  public UnaryCallSettings<CreateSectionRequest, Section> createSectionSettings() {
+    return createSectionSettings;
+  }
+
+  /** Returns the object with the settings used for calls to deleteSection. */
+  public UnaryCallSettings<DeleteSectionRequest, Empty> deleteSectionSettings() {
+    return deleteSectionSettings;
+  }
+
+  /** Returns the object with the settings used for calls to updateSection. */
+  public UnaryCallSettings<UpdateSectionRequest, Section> updateSectionSettings() {
+    return updateSectionSettings;
+  }
+
+  /** Returns the object with the settings used for calls to listSections. */
+  public PagedCallSettings<ListSectionsRequest, ListSectionsResponse, ListSectionsPagedResponse>
+      listSectionsSettings() {
+    return listSectionsSettings;
+  }
+
+  /** Returns the object with the settings used for calls to positionSection. */
+  public UnaryCallSettings<PositionSectionRequest, PositionSectionResponse>
+      positionSectionSettings() {
+    return positionSectionSettings;
+  }
+
+  /** Returns the object with the settings used for calls to listSectionItems. */
+  public PagedCallSettings<
+          ListSectionItemsRequest, ListSectionItemsResponse, ListSectionItemsPagedResponse>
+      listSectionItemsSettings() {
+    return listSectionItemsSettings;
+  }
+
+  /** Returns the object with the settings used for calls to moveSectionItem. */
+  public UnaryCallSettings<MoveSectionItemRequest, MoveSectionItemResponse>
+      moveSectionItemSettings() {
+    return moveSectionItemSettings;
+  }
+
   public ChatServiceStub createStub() throws IOException {
     if (getTransportChannelProvider()
         .getTransportName()
@@ -967,6 +1147,13 @@ protected ChatServiceStubSettings(Builder settingsBuilder) throws IOException {
         settingsBuilder.getSpaceNotificationSettingSettings().build();
     updateSpaceNotificationSettingSettings =
         settingsBuilder.updateSpaceNotificationSettingSettings().build();
+    createSectionSettings = settingsBuilder.createSectionSettings().build();
+    deleteSectionSettings = settingsBuilder.deleteSectionSettings().build();
+    updateSectionSettings = settingsBuilder.updateSectionSettings().build();
+    listSectionsSettings = settingsBuilder.listSectionsSettings().build();
+    positionSectionSettings = settingsBuilder.positionSectionSettings().build();
+    listSectionItemsSettings = settingsBuilder.listSectionItemsSettings().build();
+    moveSectionItemSettings = settingsBuilder.moveSectionItemSettings().build();
   }
 
   @Override
@@ -1046,6 +1233,19 @@ public static class Builder extends StubSettings.Builder<ChatServiceStubSettings
     private final UnaryCallSettings.Builder<
             UpdateSpaceNotificationSettingRequest, SpaceNotificationSetting>
         updateSpaceNotificationSettingSettings;
+    private final UnaryCallSettings.Builder<CreateSectionRequest, Section> createSectionSettings;
+    private final UnaryCallSettings.Builder<DeleteSectionRequest, Empty> deleteSectionSettings;
+    private final UnaryCallSettings.Builder<UpdateSectionRequest, Section> updateSectionSettings;
+    private final PagedCallSettings.Builder<
+            ListSectionsRequest, ListSectionsResponse, ListSectionsPagedResponse>
+        listSectionsSettings;
+    private final UnaryCallSettings.Builder<PositionSectionRequest, PositionSectionResponse>
+        positionSectionSettings;
+    private final PagedCallSettings.Builder<
+            ListSectionItemsRequest, ListSectionItemsResponse, ListSectionItemsPagedResponse>
+        listSectionItemsSettings;
+    private final UnaryCallSettings.Builder<MoveSectionItemRequest, MoveSectionItemResponse>
+        moveSectionItemSettings;
     private static final ImmutableMap<String, ImmutableSet<StatusCode.Code>>
         RETRYABLE_CODE_DEFINITIONS;
 
@@ -1119,6 +1319,13 @@ protected Builder(ClientContext clientContext) {
       listSpaceEventsSettings = PagedCallSettings.newBuilder(LIST_SPACE_EVENTS_PAGE_STR_FACT);
       getSpaceNotificationSettingSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       updateSpaceNotificationSettingSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      createSectionSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      deleteSectionSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      updateSectionSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      listSectionsSettings = PagedCallSettings.newBuilder(LIST_SECTIONS_PAGE_STR_FACT);
+      positionSectionSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      listSectionItemsSettings = PagedCallSettings.newBuilder(LIST_SECTION_ITEMS_PAGE_STR_FACT);
+      moveSectionItemSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
 
       unaryMethodSettingsBuilders =
           ImmutableList.<UnaryCallSettings.Builder<?, ?>>of(
@@ -1156,7 +1363,14 @@ protected Builder(ClientContext clientContext) {
               getSpaceEventSettings,
               listSpaceEventsSettings,
               getSpaceNotificationSettingSettings,
-              updateSpaceNotificationSettingSettings);
+              updateSpaceNotificationSettingSettings,
+              createSectionSettings,
+              deleteSectionSettings,
+              updateSectionSettings,
+              listSectionsSettings,
+              positionSectionSettings,
+              listSectionItemsSettings,
+              moveSectionItemSettings);
       initDefaults(this);
     }
 
@@ -1200,6 +1414,13 @@ protected Builder(ChatServiceStubSettings settings) {
           settings.getSpaceNotificationSettingSettings.toBuilder();
       updateSpaceNotificationSettingSettings =
           settings.updateSpaceNotificationSettingSettings.toBuilder();
+      createSectionSettings = settings.createSectionSettings.toBuilder();
+      deleteSectionSettings = settings.deleteSectionSettings.toBuilder();
+      updateSectionSettings = settings.updateSectionSettings.toBuilder();
+      listSectionsSettings = settings.listSectionsSettings.toBuilder();
+      positionSectionSettings = settings.positionSectionSettings.toBuilder();
+      listSectionItemsSettings = settings.listSectionItemsSettings.toBuilder();
+      moveSectionItemSettings = settings.moveSectionItemSettings.toBuilder();
 
       unaryMethodSettingsBuilders =
           ImmutableList.<UnaryCallSettings.Builder<?, ?>>of(
@@ -1237,7 +1458,14 @@ protected Builder(ChatServiceStubSettings settings) {
               getSpaceEventSettings,
               listSpaceEventsSettings,
               getSpaceNotificationSettingSettings,
-              updateSpaceNotificationSettingSettings);
+              updateSpaceNotificationSettingSettings,
+              createSectionSettings,
+              deleteSectionSettings,
+              updateSectionSettings,
+              listSectionsSettings,
+              positionSectionSettings,
+              listSectionItemsSettings,
+              moveSectionItemSettings);
     }
 
     private static Builder createDefault() {
@@ -1440,6 +1668,41 @@ private static Builder initDefaults(Builder builder) {
           .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
           .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
 
+      builder
+          .createSectionSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
+
+      builder
+          .deleteSectionSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
+
+      builder
+          .updateSectionSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
+
+      builder
+          .listSectionsSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
+
+      builder
+          .positionSectionSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
+
+      builder
+          .listSectionItemsSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
+
+      builder
+          .moveSectionItemSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
+
       return builder;
     }
 
@@ -1658,6 +1921,47 @@ public UnaryCallSettings.Builder<GetSpaceEventRequest, SpaceEvent> getSpaceEvent
       return updateSpaceNotificationSettingSettings;
     }
 
+    /** Returns the builder for the settings used for calls to createSection. */
+    public UnaryCallSettings.Builder<CreateSectionRequest, Section> createSectionSettings() {
+      return createSectionSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to deleteSection. */
+    public UnaryCallSettings.Builder<DeleteSectionRequest, Empty> deleteSectionSettings() {
+      return deleteSectionSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to updateSection. */
+    public UnaryCallSettings.Builder<UpdateSectionRequest, Section> updateSectionSettings() {
+      return updateSectionSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to listSections. */
+    public PagedCallSettings.Builder<
+            ListSectionsRequest, ListSectionsResponse, ListSectionsPagedResponse>
+        listSectionsSettings() {
+      return listSectionsSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to positionSection. */
+    public UnaryCallSettings.Builder<PositionSectionRequest, PositionSectionResponse>
+        positionSectionSettings() {
+      return positionSectionSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to listSectionItems. */
+    public PagedCallSettings.Builder<
+            ListSectionItemsRequest, ListSectionItemsResponse, ListSectionItemsPagedResponse>
+        listSectionItemsSettings() {
+      return listSectionItemsSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to moveSectionItem. */
+    public UnaryCallSettings.Builder<MoveSectionItemRequest, MoveSectionItemResponse>
+        moveSectionItemSettings() {
+      return moveSectionItemSettings;
+    }
+
     @Override
     public ChatServiceStubSettings build() throws IOException {
       return new ChatServiceStubSettings(this);
diff --git a/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/stub/GrpcChatServiceStub.java b/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/stub/GrpcChatServiceStub.java
index a301a86d37e9..79293686d5c3 100644
--- a/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/stub/GrpcChatServiceStub.java
+++ b/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/stub/GrpcChatServiceStub.java
@@ -20,6 +20,8 @@
 import static com.google.chat.v1.ChatServiceClient.ListMembershipsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListMessagesPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListReactionsPagedResponse;
+import static com.google.chat.v1.ChatServiceClient.ListSectionItemsPagedResponse;
+import static com.google.chat.v1.ChatServiceClient.ListSectionsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListSpaceEventsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListSpacesPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.SearchSpacesPagedResponse;
@@ -38,12 +40,14 @@
 import com.google.chat.v1.CreateMembershipRequest;
 import com.google.chat.v1.CreateMessageRequest;
 import com.google.chat.v1.CreateReactionRequest;
+import com.google.chat.v1.CreateSectionRequest;
 import com.google.chat.v1.CreateSpaceRequest;
 import com.google.chat.v1.CustomEmoji;
 import com.google.chat.v1.DeleteCustomEmojiRequest;
 import com.google.chat.v1.DeleteMembershipRequest;
 import com.google.chat.v1.DeleteMessageRequest;
 import com.google.chat.v1.DeleteReactionRequest;
+import com.google.chat.v1.DeleteSectionRequest;
 import com.google.chat.v1.DeleteSpaceRequest;
 import com.google.chat.v1.FindDirectMessageRequest;
 import com.google.chat.v1.GetAttachmentRequest;
@@ -63,15 +67,24 @@
 import com.google.chat.v1.ListMessagesResponse;
 import com.google.chat.v1.ListReactionsRequest;
 import com.google.chat.v1.ListReactionsResponse;
+import com.google.chat.v1.ListSectionItemsRequest;
+import com.google.chat.v1.ListSectionItemsResponse;
+import com.google.chat.v1.ListSectionsRequest;
+import com.google.chat.v1.ListSectionsResponse;
 import com.google.chat.v1.ListSpaceEventsRequest;
 import com.google.chat.v1.ListSpaceEventsResponse;
 import com.google.chat.v1.ListSpacesRequest;
 import com.google.chat.v1.ListSpacesResponse;
 import com.google.chat.v1.Membership;
 import com.google.chat.v1.Message;
+import com.google.chat.v1.MoveSectionItemRequest;
+import com.google.chat.v1.MoveSectionItemResponse;
+import com.google.chat.v1.PositionSectionRequest;
+import com.google.chat.v1.PositionSectionResponse;
 import com.google.chat.v1.Reaction;
 import com.google.chat.v1.SearchSpacesRequest;
 import com.google.chat.v1.SearchSpacesResponse;
+import com.google.chat.v1.Section;
 import com.google.chat.v1.SetUpSpaceRequest;
 import com.google.chat.v1.Space;
 import com.google.chat.v1.SpaceEvent;
@@ -80,6 +93,7 @@
 import com.google.chat.v1.ThreadReadState;
 import com.google.chat.v1.UpdateMembershipRequest;
 import com.google.chat.v1.UpdateMessageRequest;
+import com.google.chat.v1.UpdateSectionRequest;
 import com.google.chat.v1.UpdateSpaceNotificationSettingRequest;
 import com.google.chat.v1.UpdateSpaceReadStateRequest;
 import com.google.chat.v1.UpdateSpaceRequest;
@@ -483,6 +497,84 @@ public class GrpcChatServiceStub extends ChatServiceStub {
               .setSampledToLocalTracing(true)
               .build();
 
+  private static final MethodDescriptor<CreateSectionRequest, Section>
+      createSectionMethodDescriptor =
+          MethodDescriptor.<CreateSectionRequest, Section>newBuilder()
+              .setType(MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName("google.chat.v1.ChatService/CreateSection")
+              .setRequestMarshaller(
+                  ProtoUtils.marshaller(CreateSectionRequest.getDefaultInstance()))
+              .setResponseMarshaller(ProtoUtils.marshaller(Section.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
+              .build();
+
+  private static final MethodDescriptor<DeleteSectionRequest, Empty> deleteSectionMethodDescriptor =
+      MethodDescriptor.<DeleteSectionRequest, Empty>newBuilder()
+          .setType(MethodDescriptor.MethodType.UNARY)
+          .setFullMethodName("google.chat.v1.ChatService/DeleteSection")
+          .setRequestMarshaller(ProtoUtils.marshaller(DeleteSectionRequest.getDefaultInstance()))
+          .setResponseMarshaller(ProtoUtils.marshaller(Empty.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
+          .build();
+
+  private static final MethodDescriptor<UpdateSectionRequest, Section>
+      updateSectionMethodDescriptor =
+          MethodDescriptor.<UpdateSectionRequest, Section>newBuilder()
+              .setType(MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName("google.chat.v1.ChatService/UpdateSection")
+              .setRequestMarshaller(
+                  ProtoUtils.marshaller(UpdateSectionRequest.getDefaultInstance()))
+              .setResponseMarshaller(ProtoUtils.marshaller(Section.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
+              .build();
+
+  private static final MethodDescriptor<ListSectionsRequest, ListSectionsResponse>
+      listSectionsMethodDescriptor =
+          MethodDescriptor.<ListSectionsRequest, ListSectionsResponse>newBuilder()
+              .setType(MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName("google.chat.v1.ChatService/ListSections")
+              .setRequestMarshaller(ProtoUtils.marshaller(ListSectionsRequest.getDefaultInstance()))
+              .setResponseMarshaller(
+                  ProtoUtils.marshaller(ListSectionsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
+              .build();
+
+  private static final MethodDescriptor<PositionSectionRequest, PositionSectionResponse>
+      positionSectionMethodDescriptor =
+          MethodDescriptor.<PositionSectionRequest, PositionSectionResponse>newBuilder()
+              .setType(MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName("google.chat.v1.ChatService/PositionSection")
+              .setRequestMarshaller(
+                  ProtoUtils.marshaller(PositionSectionRequest.getDefaultInstance()))
+              .setResponseMarshaller(
+                  ProtoUtils.marshaller(PositionSectionResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
+              .build();
+
+  private static final MethodDescriptor<ListSectionItemsRequest, ListSectionItemsResponse>
+      listSectionItemsMethodDescriptor =
+          MethodDescriptor.<ListSectionItemsRequest, ListSectionItemsResponse>newBuilder()
+              .setType(MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName("google.chat.v1.ChatService/ListSectionItems")
+              .setRequestMarshaller(
+                  ProtoUtils.marshaller(ListSectionItemsRequest.getDefaultInstance()))
+              .setResponseMarshaller(
+                  ProtoUtils.marshaller(ListSectionItemsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
+              .build();
+
+  private static final MethodDescriptor<MoveSectionItemRequest, MoveSectionItemResponse>
+      moveSectionItemMethodDescriptor =
+          MethodDescriptor.<MoveSectionItemRequest, MoveSectionItemResponse>newBuilder()
+              .setType(MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName("google.chat.v1.ChatService/MoveSectionItem")
+              .setRequestMarshaller(
+                  ProtoUtils.marshaller(MoveSectionItemRequest.getDefaultInstance()))
+              .setResponseMarshaller(
+                  ProtoUtils.marshaller(MoveSectionItemResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
+              .build();
+
   private final UnaryCallable<CreateMessageRequest, Message> createMessageCallable;
   private final UnaryCallable<ListMessagesRequest, ListMessagesResponse> listMessagesCallable;
   private final UnaryCallable<ListMessagesRequest, ListMessagesPagedResponse>
@@ -540,6 +632,20 @@ public class GrpcChatServiceStub extends ChatServiceStub {
       getSpaceNotificationSettingCallable;
   private final UnaryCallable<UpdateSpaceNotificationSettingRequest, SpaceNotificationSetting>
       updateSpaceNotificationSettingCallable;
+  private final UnaryCallable<CreateSectionRequest, Section> createSectionCallable;
+  private final UnaryCallable<DeleteSectionRequest, Empty> deleteSectionCallable;
+  private final UnaryCallable<UpdateSectionRequest, Section> updateSectionCallable;
+  private final UnaryCallable<ListSectionsRequest, ListSectionsResponse> listSectionsCallable;
+  private final UnaryCallable<ListSectionsRequest, ListSectionsPagedResponse>
+      listSectionsPagedCallable;
+  private final UnaryCallable<PositionSectionRequest, PositionSectionResponse>
+      positionSectionCallable;
+  private final UnaryCallable<ListSectionItemsRequest, ListSectionItemsResponse>
+      listSectionItemsCallable;
+  private final UnaryCallable<ListSectionItemsRequest, ListSectionItemsPagedResponse>
+      listSectionItemsPagedCallable;
+  private final UnaryCallable<MoveSectionItemRequest, MoveSectionItemResponse>
+      moveSectionItemCallable;
 
   private final BackgroundResource backgroundResources;
   private final GrpcOperationsStub operationsStub;
@@ -929,6 +1035,85 @@ protected GrpcChatServiceStub(
                       return builder.build();
                     })
                 .build();
+    GrpcCallSettings<CreateSectionRequest, Section> createSectionTransportSettings =
+        GrpcCallSettings.<CreateSectionRequest, Section>newBuilder()
+            .setMethodDescriptor(createSectionMethodDescriptor)
+            .setParamsExtractor(
+                request -> {
+                  RequestParamsBuilder builder = RequestParamsBuilder.create();
+                  builder.add("parent", String.valueOf(request.getParent()));
+                  return builder.build();
+                })
+            .setResourceNameExtractor(request -> request.getParent())
+            .build();
+    GrpcCallSettings<DeleteSectionRequest, Empty> deleteSectionTransportSettings =
+        GrpcCallSettings.<DeleteSectionRequest, Empty>newBuilder()
+            .setMethodDescriptor(deleteSectionMethodDescriptor)
+            .setParamsExtractor(
+                request -> {
+                  RequestParamsBuilder builder = RequestParamsBuilder.create();
+                  builder.add("name", String.valueOf(request.getName()));
+                  return builder.build();
+                })
+            .setResourceNameExtractor(request -> request.getName())
+            .build();
+    GrpcCallSettings<UpdateSectionRequest, Section> updateSectionTransportSettings =
+        GrpcCallSettings.<UpdateSectionRequest, Section>newBuilder()
+            .setMethodDescriptor(updateSectionMethodDescriptor)
+            .setParamsExtractor(
+                request -> {
+                  RequestParamsBuilder builder = RequestParamsBuilder.create();
+                  builder.add("section.name", String.valueOf(request.getSection().getName()));
+                  return builder.build();
+                })
+            .build();
+    GrpcCallSettings<ListSectionsRequest, ListSectionsResponse> listSectionsTransportSettings =
+        GrpcCallSettings.<ListSectionsRequest, ListSectionsResponse>newBuilder()
+            .setMethodDescriptor(listSectionsMethodDescriptor)
+            .setParamsExtractor(
+                request -> {
+                  RequestParamsBuilder builder = RequestParamsBuilder.create();
+                  builder.add("parent", String.valueOf(request.getParent()));
+                  return builder.build();
+                })
+            .setResourceNameExtractor(request -> request.getParent())
+            .build();
+    GrpcCallSettings<PositionSectionRequest, PositionSectionResponse>
+        positionSectionTransportSettings =
+            GrpcCallSettings.<PositionSectionRequest, PositionSectionResponse>newBuilder()
+                .setMethodDescriptor(positionSectionMethodDescriptor)
+                .setParamsExtractor(
+                    request -> {
+                      RequestParamsBuilder builder = RequestParamsBuilder.create();
+                      builder.add("name", String.valueOf(request.getName()));
+                      return builder.build();
+                    })
+                .setResourceNameExtractor(request -> request.getName())
+                .build();
+    GrpcCallSettings<ListSectionItemsRequest, ListSectionItemsResponse>
+        listSectionItemsTransportSettings =
+            GrpcCallSettings.<ListSectionItemsRequest, ListSectionItemsResponse>newBuilder()
+                .setMethodDescriptor(listSectionItemsMethodDescriptor)
+                .setParamsExtractor(
+                    request -> {
+                      RequestParamsBuilder builder = RequestParamsBuilder.create();
+                      builder.add("parent", String.valueOf(request.getParent()));
+                      return builder.build();
+                    })
+                .setResourceNameExtractor(request -> request.getParent())
+                .build();
+    GrpcCallSettings<MoveSectionItemRequest, MoveSectionItemResponse>
+        moveSectionItemTransportSettings =
+            GrpcCallSettings.<MoveSectionItemRequest, MoveSectionItemResponse>newBuilder()
+                .setMethodDescriptor(moveSectionItemMethodDescriptor)
+                .setParamsExtractor(
+                    request -> {
+                      RequestParamsBuilder builder = RequestParamsBuilder.create();
+                      builder.add("name", String.valueOf(request.getName()));
+                      return builder.build();
+                    })
+                .setResourceNameExtractor(request -> request.getName())
+                .build();
 
     this.createMessageCallable =
         callableFactory.createUnaryCallable(
@@ -1074,6 +1259,33 @@ protected GrpcChatServiceStub(
             updateSpaceNotificationSettingTransportSettings,
             settings.updateSpaceNotificationSettingSettings(),
             clientContext);
+    this.createSectionCallable =
+        callableFactory.createUnaryCallable(
+            createSectionTransportSettings, settings.createSectionSettings(), clientContext);
+    this.deleteSectionCallable =
+        callableFactory.createUnaryCallable(
+            deleteSectionTransportSettings, settings.deleteSectionSettings(), clientContext);
+    this.updateSectionCallable =
+        callableFactory.createUnaryCallable(
+            updateSectionTransportSettings, settings.updateSectionSettings(), clientContext);
+    this.listSectionsCallable =
+        callableFactory.createUnaryCallable(
+            listSectionsTransportSettings, settings.listSectionsSettings(), clientContext);
+    this.listSectionsPagedCallable =
+        callableFactory.createPagedCallable(
+            listSectionsTransportSettings, settings.listSectionsSettings(), clientContext);
+    this.positionSectionCallable =
+        callableFactory.createUnaryCallable(
+            positionSectionTransportSettings, settings.positionSectionSettings(), clientContext);
+    this.listSectionItemsCallable =
+        callableFactory.createUnaryCallable(
+            listSectionItemsTransportSettings, settings.listSectionItemsSettings(), clientContext);
+    this.listSectionItemsPagedCallable =
+        callableFactory.createPagedCallable(
+            listSectionItemsTransportSettings, settings.listSectionItemsSettings(), clientContext);
+    this.moveSectionItemCallable =
+        callableFactory.createUnaryCallable(
+            moveSectionItemTransportSettings, settings.moveSectionItemSettings(), clientContext);
 
     this.backgroundResources =
         new BackgroundResourceAggregation(clientContext.getBackgroundResources());
@@ -1302,6 +1514,53 @@ public UnaryCallable<ListSpaceEventsRequest, ListSpaceEventsResponse> listSpaceE
     return updateSpaceNotificationSettingCallable;
   }
 
+  @Override
+  public UnaryCallable<CreateSectionRequest, Section> createSectionCallable() {
+    return createSectionCallable;
+  }
+
+  @Override
+  public UnaryCallable<DeleteSectionRequest, Empty> deleteSectionCallable() {
+    return deleteSectionCallable;
+  }
+
+  @Override
+  public UnaryCallable<UpdateSectionRequest, Section> updateSectionCallable() {
+    return updateSectionCallable;
+  }
+
+  @Override
+  public UnaryCallable<ListSectionsRequest, ListSectionsResponse> listSectionsCallable() {
+    return listSectionsCallable;
+  }
+
+  @Override
+  public UnaryCallable<ListSectionsRequest, ListSectionsPagedResponse> listSectionsPagedCallable() {
+    return listSectionsPagedCallable;
+  }
+
+  @Override
+  public UnaryCallable<PositionSectionRequest, PositionSectionResponse> positionSectionCallable() {
+    return positionSectionCallable;
+  }
+
+  @Override
+  public UnaryCallable<ListSectionItemsRequest, ListSectionItemsResponse>
+      listSectionItemsCallable() {
+    return listSectionItemsCallable;
+  }
+
+  @Override
+  public UnaryCallable<ListSectionItemsRequest, ListSectionItemsPagedResponse>
+      listSectionItemsPagedCallable() {
+    return listSectionItemsPagedCallable;
+  }
+
+  @Override
+  public UnaryCallable<MoveSectionItemRequest, MoveSectionItemResponse> moveSectionItemCallable() {
+    return moveSectionItemCallable;
+  }
+
   @Override
   public final void close() {
     try {
diff --git a/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/stub/HttpJsonChatServiceStub.java b/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/stub/HttpJsonChatServiceStub.java
index 09657a7cdd3c..860c48a928df 100644
--- a/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/stub/HttpJsonChatServiceStub.java
+++ b/java-chat/google-cloud-chat/src/main/java/com/google/chat/v1/stub/HttpJsonChatServiceStub.java
@@ -20,6 +20,8 @@
 import static com.google.chat.v1.ChatServiceClient.ListMembershipsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListMessagesPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListReactionsPagedResponse;
+import static com.google.chat.v1.ChatServiceClient.ListSectionItemsPagedResponse;
+import static com.google.chat.v1.ChatServiceClient.ListSectionsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListSpaceEventsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListSpacesPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.SearchSpacesPagedResponse;
@@ -43,12 +45,14 @@
 import com.google.chat.v1.CreateMembershipRequest;
 import com.google.chat.v1.CreateMessageRequest;
 import com.google.chat.v1.CreateReactionRequest;
+import com.google.chat.v1.CreateSectionRequest;
 import com.google.chat.v1.CreateSpaceRequest;
 import com.google.chat.v1.CustomEmoji;
 import com.google.chat.v1.DeleteCustomEmojiRequest;
 import com.google.chat.v1.DeleteMembershipRequest;
 import com.google.chat.v1.DeleteMessageRequest;
 import com.google.chat.v1.DeleteReactionRequest;
+import com.google.chat.v1.DeleteSectionRequest;
 import com.google.chat.v1.DeleteSpaceRequest;
 import com.google.chat.v1.FindDirectMessageRequest;
 import com.google.chat.v1.GetAttachmentRequest;
@@ -68,15 +72,24 @@
 import com.google.chat.v1.ListMessagesResponse;
 import com.google.chat.v1.ListReactionsRequest;
 import com.google.chat.v1.ListReactionsResponse;
+import com.google.chat.v1.ListSectionItemsRequest;
+import com.google.chat.v1.ListSectionItemsResponse;
+import com.google.chat.v1.ListSectionsRequest;
+import com.google.chat.v1.ListSectionsResponse;
 import com.google.chat.v1.ListSpaceEventsRequest;
 import com.google.chat.v1.ListSpaceEventsResponse;
 import com.google.chat.v1.ListSpacesRequest;
 import com.google.chat.v1.ListSpacesResponse;
 import com.google.chat.v1.Membership;
 import com.google.chat.v1.Message;
+import com.google.chat.v1.MoveSectionItemRequest;
+import com.google.chat.v1.MoveSectionItemResponse;
+import com.google.chat.v1.PositionSectionRequest;
+import com.google.chat.v1.PositionSectionResponse;
 import com.google.chat.v1.Reaction;
 import com.google.chat.v1.SearchSpacesRequest;
 import com.google.chat.v1.SearchSpacesResponse;
+import com.google.chat.v1.Section;
 import com.google.chat.v1.SetUpSpaceRequest;
 import com.google.chat.v1.Space;
 import com.google.chat.v1.SpaceEvent;
@@ -85,6 +98,7 @@
 import com.google.chat.v1.ThreadReadState;
 import com.google.chat.v1.UpdateMembershipRequest;
 import com.google.chat.v1.UpdateMessageRequest;
+import com.google.chat.v1.UpdateSectionRequest;
 import com.google.chat.v1.UpdateSpaceNotificationSettingRequest;
 import com.google.chat.v1.UpdateSpaceReadStateRequest;
 import com.google.chat.v1.UpdateSpaceRequest;
@@ -1401,6 +1415,263 @@ public class HttpJsonChatServiceStub extends ChatServiceStub {
                       .build())
               .build();
 
+  private static final ApiMethodDescriptor<CreateSectionRequest, Section>
+      createSectionMethodDescriptor =
+          ApiMethodDescriptor.<CreateSectionRequest, Section>newBuilder()
+              .setFullMethodName("google.chat.v1.ChatService/CreateSection")
+              .setHttpMethod("POST")
+              .setType(ApiMethodDescriptor.MethodType.UNARY)
+              .setRequestFormatter(
+                  ProtoMessageRequestFormatter.<CreateSectionRequest>newBuilder()
+                      .setPath(
+                          "/v1/{parent=users/*}/sections",
+                          request -> {
+                            Map<String, String> fields = new HashMap<>();
+                            ProtoRestSerializer<CreateSectionRequest> serializer =
+                                ProtoRestSerializer.create();
+                            serializer.putPathParam(fields, "parent", request.getParent());
+                            return fields;
+                          })
+                      .setQueryParamsExtractor(
+                          request -> {
+                            Map<String, List<String>> fields = new HashMap<>();
+                            ProtoRestSerializer<CreateSectionRequest> serializer =
+                                ProtoRestSerializer.create();
+                            serializer.putQueryParam(fields, "$alt", "json;enum-encoding=int");
+                            return fields;
+                          })
+                      .setRequestBodyExtractor(
+                          request ->
+                              ProtoRestSerializer.create()
+                                  .toBody("section", request.getSection(), true))
+                      .build())
+              .setResponseParser(
+                  ProtoMessageResponseParser.<Section>newBuilder()
+                      .setDefaultInstance(Section.getDefaultInstance())
+                      .setDefaultTypeRegistry(typeRegistry)
+                      .build())
+              .build();
+
+  private static final ApiMethodDescriptor<DeleteSectionRequest, Empty>
+      deleteSectionMethodDescriptor =
+          ApiMethodDescriptor.<DeleteSectionRequest, Empty>newBuilder()
+              .setFullMethodName("google.chat.v1.ChatService/DeleteSection")
+              .setHttpMethod("DELETE")
+              .setType(ApiMethodDescriptor.MethodType.UNARY)
+              .setRequestFormatter(
+                  ProtoMessageRequestFormatter.<DeleteSectionRequest>newBuilder()
+                      .setPath(
+                          "/v1/{name=users/*/sections/*}",
+                          request -> {
+                            Map<String, String> fields = new HashMap<>();
+                            ProtoRestSerializer<DeleteSectionRequest> serializer =
+                                ProtoRestSerializer.create();
+                            serializer.putPathParam(fields, "name", request.getName());
+                            return fields;
+                          })
+                      .setQueryParamsExtractor(
+                          request -> {
+                            Map<String, List<String>> fields = new HashMap<>();
+                            ProtoRestSerializer<DeleteSectionRequest> serializer =
+                                ProtoRestSerializer.create();
+                            serializer.putQueryParam(fields, "$alt", "json;enum-encoding=int");
+                            return fields;
+                          })
+                      .setRequestBodyExtractor(request -> null)
+                      .build())
+              .setResponseParser(
+                  ProtoMessageResponseParser.<Empty>newBuilder()
+                      .setDefaultInstance(Empty.getDefaultInstance())
+                      .setDefaultTypeRegistry(typeRegistry)
+                      .build())
+              .build();
+
+  private static final ApiMethodDescriptor<UpdateSectionRequest, Section>
+      updateSectionMethodDescriptor =
+          ApiMethodDescriptor.<UpdateSectionRequest, Section>newBuilder()
+              .setFullMethodName("google.chat.v1.ChatService/UpdateSection")
+              .setHttpMethod("PATCH")
+              .setType(ApiMethodDescriptor.MethodType.UNARY)
+              .setRequestFormatter(
+                  ProtoMessageRequestFormatter.<UpdateSectionRequest>newBuilder()
+                      .setPath(
+                          "/v1/{section.name=users/*/sections/*}",
+                          request -> {
+                            Map<String, String> fields = new HashMap<>();
+                            ProtoRestSerializer<UpdateSectionRequest> serializer =
+                                ProtoRestSerializer.create();
+                            serializer.putPathParam(
+                                fields, "section.name", request.getSection().getName());
+                            return fields;
+                          })
+                      .setQueryParamsExtractor(
+                          request -> {
+                            Map<String, List<String>> fields = new HashMap<>();
+                            ProtoRestSerializer<UpdateSectionRequest> serializer =
+                                ProtoRestSerializer.create();
+                            serializer.putQueryParam(fields, "updateMask", request.getUpdateMask());
+                            serializer.putQueryParam(fields, "$alt", "json;enum-encoding=int");
+                            return fields;
+                          })
+                      .setRequestBodyExtractor(
+                          request ->
+                              ProtoRestSerializer.create()
+                                  .toBody("section", request.getSection(), true))
+                      .build())
+              .setResponseParser(
+                  ProtoMessageResponseParser.<Section>newBuilder()
+                      .setDefaultInstance(Section.getDefaultInstance())
+                      .setDefaultTypeRegistry(typeRegistry)
+                      .build())
+              .build();
+
+  private static final ApiMethodDescriptor<ListSectionsRequest, ListSectionsResponse>
+      listSectionsMethodDescriptor =
+          ApiMethodDescriptor.<ListSectionsRequest, ListSectionsResponse>newBuilder()
+              .setFullMethodName("google.chat.v1.ChatService/ListSections")
+              .setHttpMethod("GET")
+              .setType(ApiMethodDescriptor.MethodType.UNARY)
+              .setRequestFormatter(
+                  ProtoMessageRequestFormatter.<ListSectionsRequest>newBuilder()
+                      .setPath(
+                          "/v1/{parent=users/*}/sections",
+                          request -> {
+                            Map<String, String> fields = new HashMap<>();
+                            ProtoRestSerializer<ListSectionsRequest> serializer =
+                                ProtoRestSerializer.create();
+                            serializer.putPathParam(fields, "parent", request.getParent());
+                            return fields;
+                          })
+                      .setQueryParamsExtractor(
+                          request -> {
+                            Map<String, List<String>> fields = new HashMap<>();
+                            ProtoRestSerializer<ListSectionsRequest> serializer =
+                                ProtoRestSerializer.create();
+                            serializer.putQueryParam(fields, "pageSize", request.getPageSize());
+                            serializer.putQueryParam(fields, "pageToken", request.getPageToken());
+                            serializer.putQueryParam(fields, "$alt", "json;enum-encoding=int");
+                            return fields;
+                          })
+                      .setRequestBodyExtractor(request -> null)
+                      .build())
+              .setResponseParser(
+                  ProtoMessageResponseParser.<ListSectionsResponse>newBuilder()
+                      .setDefaultInstance(ListSectionsResponse.getDefaultInstance())
+                      .setDefaultTypeRegistry(typeRegistry)
+                      .build())
+              .build();
+
+  private static final ApiMethodDescriptor<PositionSectionRequest, PositionSectionResponse>
+      positionSectionMethodDescriptor =
+          ApiMethodDescriptor.<PositionSectionRequest, PositionSectionResponse>newBuilder()
+              .setFullMethodName("google.chat.v1.ChatService/PositionSection")
+              .setHttpMethod("POST")
+              .setType(ApiMethodDescriptor.MethodType.UNARY)
+              .setRequestFormatter(
+                  ProtoMessageRequestFormatter.<PositionSectionRequest>newBuilder()
+                      .setPath(
+                          "/v1/{name=users/*/sections/*}:position",
+                          request -> {
+                            Map<String, String> fields = new HashMap<>();
+                            ProtoRestSerializer<PositionSectionRequest> serializer =
+                                ProtoRestSerializer.create();
+                            serializer.putPathParam(fields, "name", request.getName());
+                            return fields;
+                          })
+                      .setQueryParamsExtractor(
+                          request -> {
+                            Map<String, List<String>> fields = new HashMap<>();
+                            ProtoRestSerializer<PositionSectionRequest> serializer =
+                                ProtoRestSerializer.create();
+                            serializer.putQueryParam(fields, "$alt", "json;enum-encoding=int");
+                            return fields;
+                          })
+                      .setRequestBodyExtractor(
+                          request ->
+                              ProtoRestSerializer.create()
+                                  .toBody("*", request.toBuilder().clearName().build(), true))
+                      .build())
+              .setResponseParser(
+                  ProtoMessageResponseParser.<PositionSectionResponse>newBuilder()
+                      .setDefaultInstance(PositionSectionResponse.getDefaultInstance())
+                      .setDefaultTypeRegistry(typeRegistry)
+                      .build())
+              .build();
+
+  private static final ApiMethodDescriptor<ListSectionItemsRequest, ListSectionItemsResponse>
+      listSectionItemsMethodDescriptor =
+          ApiMethodDescriptor.<ListSectionItemsRequest, ListSectionItemsResponse>newBuilder()
+              .setFullMethodName("google.chat.v1.ChatService/ListSectionItems")
+              .setHttpMethod("GET")
+              .setType(ApiMethodDescriptor.MethodType.UNARY)
+              .setRequestFormatter(
+                  ProtoMessageRequestFormatter.<ListSectionItemsRequest>newBuilder()
+                      .setPath(
+                          "/v1/{parent=users/*/sections/*}/items",
+                          request -> {
+                            Map<String, String> fields = new HashMap<>();
+                            ProtoRestSerializer<ListSectionItemsRequest> serializer =
+                                ProtoRestSerializer.create();
+                            serializer.putPathParam(fields, "parent", request.getParent());
+                            return fields;
+                          })
+                      .setQueryParamsExtractor(
+                          request -> {
+                            Map<String, List<String>> fields = new HashMap<>();
+                            ProtoRestSerializer<ListSectionItemsRequest> serializer =
+                                ProtoRestSerializer.create();
+                            serializer.putQueryParam(fields, "filter", request.getFilter());
+                            serializer.putQueryParam(fields, "pageSize", request.getPageSize());
+                            serializer.putQueryParam(fields, "pageToken", request.getPageToken());
+                            serializer.putQueryParam(fields, "$alt", "json;enum-encoding=int");
+                            return fields;
+                          })
+                      .setRequestBodyExtractor(request -> null)
+                      .build())
+              .setResponseParser(
+                  ProtoMessageResponseParser.<ListSectionItemsResponse>newBuilder()
+                      .setDefaultInstance(ListSectionItemsResponse.getDefaultInstance())
+                      .setDefaultTypeRegistry(typeRegistry)
+                      .build())
+              .build();
+
+  private static final ApiMethodDescriptor<MoveSectionItemRequest, MoveSectionItemResponse>
+      moveSectionItemMethodDescriptor =
+          ApiMethodDescriptor.<MoveSectionItemRequest, MoveSectionItemResponse>newBuilder()
+              .setFullMethodName("google.chat.v1.ChatService/MoveSectionItem")
+              .setHttpMethod("POST")
+              .setType(ApiMethodDescriptor.MethodType.UNARY)
+              .setRequestFormatter(
+                  ProtoMessageRequestFormatter.<MoveSectionItemRequest>newBuilder()
+                      .setPath(
+                          "/v1/{name=users/*/sections/*/items/*}:move",
+                          request -> {
+                            Map<String, String> fields = new HashMap<>();
+                            ProtoRestSerializer<MoveSectionItemRequest> serializer =
+                                ProtoRestSerializer.create();
+                            serializer.putPathParam(fields, "name", request.getName());
+                            return fields;
+                          })
+                      .setQueryParamsExtractor(
+                          request -> {
+                            Map<String, List<String>> fields = new HashMap<>();
+                            ProtoRestSerializer<MoveSectionItemRequest> serializer =
+                                ProtoRestSerializer.create();
+                            serializer.putQueryParam(fields, "$alt", "json;enum-encoding=int");
+                            return fields;
+                          })
+                      .setRequestBodyExtractor(
+                          request ->
+                              ProtoRestSerializer.create()
+                                  .toBody("*", request.toBuilder().clearName().build(), true))
+                      .build())
+              .setResponseParser(
+                  ProtoMessageResponseParser.<MoveSectionItemResponse>newBuilder()
+                      .setDefaultInstance(MoveSectionItemResponse.getDefaultInstance())
+                      .setDefaultTypeRegistry(typeRegistry)
+                      .build())
+              .build();
+
   private final UnaryCallable<CreateMessageRequest, Message> createMessageCallable;
   private final UnaryCallable<ListMessagesRequest, ListMessagesResponse> listMessagesCallable;
   private final UnaryCallable<ListMessagesRequest, ListMessagesPagedResponse>
@@ -1458,6 +1729,20 @@ public class HttpJsonChatServiceStub extends ChatServiceStub {
       getSpaceNotificationSettingCallable;
   private final UnaryCallable<UpdateSpaceNotificationSettingRequest, SpaceNotificationSetting>
       updateSpaceNotificationSettingCallable;
+  private final UnaryCallable<CreateSectionRequest, Section> createSectionCallable;
+  private final UnaryCallable<DeleteSectionRequest, Empty> deleteSectionCallable;
+  private final UnaryCallable<UpdateSectionRequest, Section> updateSectionCallable;
+  private final UnaryCallable<ListSectionsRequest, ListSectionsResponse> listSectionsCallable;
+  private final UnaryCallable<ListSectionsRequest, ListSectionsPagedResponse>
+      listSectionsPagedCallable;
+  private final UnaryCallable<PositionSectionRequest, PositionSectionResponse>
+      positionSectionCallable;
+  private final UnaryCallable<ListSectionItemsRequest, ListSectionItemsResponse>
+      listSectionItemsCallable;
+  private final UnaryCallable<ListSectionItemsRequest, ListSectionItemsPagedResponse>
+      listSectionItemsPagedCallable;
+  private final UnaryCallable<MoveSectionItemRequest, MoveSectionItemResponse>
+      moveSectionItemCallable;
 
   private final BackgroundResource backgroundResources;
   private final HttpJsonStubCallableFactory callableFactory;
@@ -1885,6 +2170,92 @@ protected HttpJsonChatServiceStub(
                       return builder.build();
                     })
                 .build();
+    HttpJsonCallSettings<CreateSectionRequest, Section> createSectionTransportSettings =
+        HttpJsonCallSettings.<CreateSectionRequest, Section>newBuilder()
+            .setMethodDescriptor(createSectionMethodDescriptor)
+            .setTypeRegistry(typeRegistry)
+            .setParamsExtractor(
+                request -> {
+                  RequestParamsBuilder builder = RequestParamsBuilder.create();
+                  builder.add("parent", String.valueOf(request.getParent()));
+                  return builder.build();
+                })
+            .setResourceNameExtractor(request -> request.getParent())
+            .build();
+    HttpJsonCallSettings<DeleteSectionRequest, Empty> deleteSectionTransportSettings =
+        HttpJsonCallSettings.<DeleteSectionRequest, Empty>newBuilder()
+            .setMethodDescriptor(deleteSectionMethodDescriptor)
+            .setTypeRegistry(typeRegistry)
+            .setParamsExtractor(
+                request -> {
+                  RequestParamsBuilder builder = RequestParamsBuilder.create();
+                  builder.add("name", String.valueOf(request.getName()));
+                  return builder.build();
+                })
+            .setResourceNameExtractor(request -> request.getName())
+            .build();
+    HttpJsonCallSettings<UpdateSectionRequest, Section> updateSectionTransportSettings =
+        HttpJsonCallSettings.<UpdateSectionRequest, Section>newBuilder()
+            .setMethodDescriptor(updateSectionMethodDescriptor)
+            .setTypeRegistry(typeRegistry)
+            .setParamsExtractor(
+                request -> {
+                  RequestParamsBuilder builder = RequestParamsBuilder.create();
+                  builder.add("section.name", String.valueOf(request.getSection().getName()));
+                  return builder.build();
+                })
+            .build();
+    HttpJsonCallSettings<ListSectionsRequest, ListSectionsResponse> listSectionsTransportSettings =
+        HttpJsonCallSettings.<ListSectionsRequest, ListSectionsResponse>newBuilder()
+            .setMethodDescriptor(listSectionsMethodDescriptor)
+            .setTypeRegistry(typeRegistry)
+            .setParamsExtractor(
+                request -> {
+                  RequestParamsBuilder builder = RequestParamsBuilder.create();
+                  builder.add("parent", String.valueOf(request.getParent()));
+                  return builder.build();
+                })
+            .setResourceNameExtractor(request -> request.getParent())
+            .build();
+    HttpJsonCallSettings<PositionSectionRequest, PositionSectionResponse>
+        positionSectionTransportSettings =
+            HttpJsonCallSettings.<PositionSectionRequest, PositionSectionResponse>newBuilder()
+                .setMethodDescriptor(positionSectionMethodDescriptor)
+                .setTypeRegistry(typeRegistry)
+                .setParamsExtractor(
+                    request -> {
+                      RequestParamsBuilder builder = RequestParamsBuilder.create();
+                      builder.add("name", String.valueOf(request.getName()));
+                      return builder.build();
+                    })
+                .setResourceNameExtractor(request -> request.getName())
+                .build();
+    HttpJsonCallSettings<ListSectionItemsRequest, ListSectionItemsResponse>
+        listSectionItemsTransportSettings =
+            HttpJsonCallSettings.<ListSectionItemsRequest, ListSectionItemsResponse>newBuilder()
+                .setMethodDescriptor(listSectionItemsMethodDescriptor)
+                .setTypeRegistry(typeRegistry)
+                .setParamsExtractor(
+                    request -> {
+                      RequestParamsBuilder builder = RequestParamsBuilder.create();
+                      builder.add("parent", String.valueOf(request.getParent()));
+                      return builder.build();
+                    })
+                .setResourceNameExtractor(request -> request.getParent())
+                .build();
+    HttpJsonCallSettings<MoveSectionItemRequest, MoveSectionItemResponse>
+        moveSectionItemTransportSettings =
+            HttpJsonCallSettings.<MoveSectionItemRequest, MoveSectionItemResponse>newBuilder()
+                .setMethodDescriptor(moveSectionItemMethodDescriptor)
+                .setTypeRegistry(typeRegistry)
+                .setParamsExtractor(
+                    request -> {
+                      RequestParamsBuilder builder = RequestParamsBuilder.create();
+                      builder.add("name", String.valueOf(request.getName()));
+                      return builder.build();
+                    })
+                .setResourceNameExtractor(request -> request.getName())
+                .build();
 
     this.createMessageCallable =
         callableFactory.createUnaryCallable(
@@ -2030,6 +2401,33 @@ protected HttpJsonChatServiceStub(
             updateSpaceNotificationSettingTransportSettings,
             settings.updateSpaceNotificationSettingSettings(),
             clientContext);
+    this.createSectionCallable =
+        callableFactory.createUnaryCallable(
+            createSectionTransportSettings, settings.createSectionSettings(), clientContext);
+    this.deleteSectionCallable =
+        callableFactory.createUnaryCallable(
+            deleteSectionTransportSettings, settings.deleteSectionSettings(), clientContext);
+    this.updateSectionCallable =
+        callableFactory.createUnaryCallable(
+            updateSectionTransportSettings, settings.updateSectionSettings(), clientContext);
+    this.listSectionsCallable =
+        callableFactory.createUnaryCallable(
+            listSectionsTransportSettings, settings.listSectionsSettings(), clientContext);
+    this.listSectionsPagedCallable =
+        callableFactory.createPagedCallable(
+            listSectionsTransportSettings, settings.listSectionsSettings(), clientContext);
+    this.positionSectionCallable =
+        callableFactory.createUnaryCallable(
+            positionSectionTransportSettings, settings.positionSectionSettings(), clientContext);
+    this.listSectionItemsCallable =
+        callableFactory.createUnaryCallable(
+            listSectionItemsTransportSettings, settings.listSectionItemsSettings(), clientContext);
+    this.listSectionItemsPagedCallable =
+        callableFactory.createPagedCallable(
+            listSectionItemsTransportSettings, settings.listSectionItemsSettings(), clientContext);
+    this.moveSectionItemCallable =
+        callableFactory.createUnaryCallable(
+            moveSectionItemTransportSettings, settings.moveSectionItemSettings(), clientContext);
 
     this.backgroundResources =
         new BackgroundResourceAggregation(clientContext.getBackgroundResources());
@@ -2073,6 +2471,13 @@ public static List<ApiMethodDescriptor> getMethodDescriptors() {
     methodDescriptors.add(listSpaceEventsMethodDescriptor);
     methodDescriptors.add(getSpaceNotificationSettingMethodDescriptor);
     methodDescriptors.add(updateSpaceNotificationSettingMethodDescriptor);
+    methodDescriptors.add(createSectionMethodDescriptor);
+    methodDescriptors.add(deleteSectionMethodDescriptor);
+    methodDescriptors.add(updateSectionMethodDescriptor);
+    methodDescriptors.add(listSectionsMethodDescriptor);
+    methodDescriptors.add(positionSectionMethodDescriptor);
+    methodDescriptors.add(listSectionItemsMethodDescriptor);
+    methodDescriptors.add(moveSectionItemMethodDescriptor);
     return methodDescriptors;
   }
 
@@ -2295,6 +2700,53 @@ public UnaryCallable<ListSpaceEventsRequest, ListSpaceEventsResponse> listSpaceE
     return updateSpaceNotificationSettingCallable;
   }
 
+  @Override
+  public UnaryCallable<CreateSectionRequest, Section> createSectionCallable() {
+    return createSectionCallable;
+  }
+
+  @Override
+  public UnaryCallable<DeleteSectionRequest, Empty> deleteSectionCallable() {
+    return deleteSectionCallable;
+  }
+
+  @Override
+  public UnaryCallable<UpdateSectionRequest, Section> updateSectionCallable() {
+    return updateSectionCallable;
+  }
+
+  @Override
+  public UnaryCallable<ListSectionsRequest, ListSectionsResponse> listSectionsCallable() {
+    return listSectionsCallable;
+  }
+
+  @Override
+  public UnaryCallable<ListSectionsRequest, ListSectionsPagedResponse> listSectionsPagedCallable() {
+    return listSectionsPagedCallable;
+  }
+
+  @Override
+  public UnaryCallable<PositionSectionRequest, PositionSectionResponse> positionSectionCallable() {
+    return positionSectionCallable;
+  }
+
+  @Override
+  public UnaryCallable<ListSectionItemsRequest, ListSectionItemsResponse>
+      listSectionItemsCallable() {
+    return listSectionItemsCallable;
+  }
+
+  @Override
+  public UnaryCallable<ListSectionItemsRequest, ListSectionItemsPagedResponse>
+      listSectionItemsPagedCallable() {
+    return listSectionItemsPagedCallable;
+  }
+
+  @Override
+  public UnaryCallable<MoveSectionItemRequest, MoveSectionItemResponse> moveSectionItemCallable() {
+    return moveSectionItemCallable;
+  }
+
   @Override
   public final void close() {
     try {
diff --git a/java-chat/google-cloud-chat/src/main/resources/META-INF/native-image/com.google.chat.v1/reflect-config.json b/java-chat/google-cloud-chat/src/main/resources/META-INF/native-image/com.google.chat.v1/reflect-config.json
index 2557ebdab123..e15da918c968 100644
--- a/java-chat/google-cloud-chat/src/main/resources/META-INF/native-image/com.google.chat.v1/reflect-config.json
+++ b/java-chat/google-cloud-chat/src/main/resources/META-INF/native-image/com.google.chat.v1/reflect-config.json
@@ -1961,6 +1961,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.chat.v1.CreateSectionRequest",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.CreateSectionRequest$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.chat.v1.CreateSpaceRequest",
     "queryAllDeclaredConstructors": true,
@@ -2105,6 +2123,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.chat.v1.DeleteSectionRequest",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.DeleteSectionRequest$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.chat.v1.DeleteSpaceRequest",
     "queryAllDeclaredConstructors": true,
@@ -2627,6 +2663,78 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.chat.v1.ListSectionItemsRequest",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.ListSectionItemsRequest$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.ListSectionItemsResponse",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.ListSectionItemsResponse$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.ListSectionsRequest",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.ListSectionsRequest$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.ListSectionsResponse",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.ListSectionsResponse$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.chat.v1.ListSpaceEventsRequest",
     "queryAllDeclaredConstructors": true,
@@ -3023,6 +3131,87 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.chat.v1.MoveSectionItemRequest",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.MoveSectionItemRequest$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.MoveSectionItemResponse",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.MoveSectionItemResponse$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.PositionSectionRequest",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.PositionSectionRequest$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.PositionSectionRequest$Position",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.PositionSectionResponse",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.PositionSectionResponse$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.chat.v1.QuotedMessageMetadata",
     "queryAllDeclaredConstructors": true,
@@ -3221,6 +3410,51 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.chat.v1.Section",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.Section$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.Section$SectionType",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.SectionItem",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.SectionItem$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.chat.v1.SetUpSpaceRequest",
     "queryAllDeclaredConstructors": true,
@@ -3617,6 +3851,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.chat.v1.UpdateSectionRequest",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.chat.v1.UpdateSectionRequest$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.chat.v1.UpdateSpaceNotificationSettingRequest",
     "queryAllDeclaredConstructors": true,
diff --git a/java-chat/google-cloud-chat/src/test/java/com/google/chat/v1/ChatServiceClientHttpJsonTest.java b/java-chat/google-cloud-chat/src/test/java/com/google/chat/v1/ChatServiceClientHttpJsonTest.java
index 6228997d9390..9a326688ccc6 100644
--- a/java-chat/google-cloud-chat/src/test/java/com/google/chat/v1/ChatServiceClientHttpJsonTest.java
+++ b/java-chat/google-cloud-chat/src/test/java/com/google/chat/v1/ChatServiceClientHttpJsonTest.java
@@ -20,6 +20,8 @@
 import static com.google.chat.v1.ChatServiceClient.ListMembershipsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListMessagesPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListReactionsPagedResponse;
+import static com.google.chat.v1.ChatServiceClient.ListSectionItemsPagedResponse;
+import static com.google.chat.v1.ChatServiceClient.ListSectionsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListSpaceEventsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListSpacesPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.SearchSpacesPagedResponse;
@@ -3024,4 +3026,670 @@ public void updateSpaceNotificationSettingExceptionTest() throws Exception {
       // Expected exception.
     }
   }
+
+  @Test
+  public void createSectionTest() throws Exception {
+    Section expectedResponse =
+        Section.newBuilder()
+            .setName(SectionName.of("[USER]", "[SECTION]").toString())
+            .setDisplayName("displayName1714148973")
+            .setSortOrder(-374296211)
+            .build();
+    mockService.addResponse(expectedResponse);
+
+    UserName parent = UserName.of("[USER]");
+    Section section = Section.newBuilder().build();
+
+    Section actualResponse = client.createSection(parent, section);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void createSectionExceptionTest() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      UserName parent = UserName.of("[USER]");
+      Section section = Section.newBuilder().build();
+      client.createSection(parent, section);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void createSectionTest2() throws Exception {
+    Section expectedResponse =
+        Section.newBuilder()
+            .setName(SectionName.of("[USER]", "[SECTION]").toString())
+            .setDisplayName("displayName1714148973")
+            .setSortOrder(-374296211)
+            .build();
+    mockService.addResponse(expectedResponse);
+
+    String parent = "users/user-1015";
+    Section section = Section.newBuilder().build();
+
+    Section actualResponse = client.createSection(parent, section);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void createSectionExceptionTest2() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      String parent = "users/user-1015";
+      Section section = Section.newBuilder().build();
+      client.createSection(parent, section);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void deleteSectionTest() throws Exception {
+    Empty expectedResponse = Empty.newBuilder().build();
+    mockService.addResponse(expectedResponse);
+
+    SectionName name = SectionName.of("[USER]", "[SECTION]");
+
+    client.deleteSection(name);
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void deleteSectionExceptionTest() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      SectionName name = SectionName.of("[USER]", "[SECTION]");
+      client.deleteSection(name);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void deleteSectionTest2() throws Exception {
+    Empty expectedResponse = Empty.newBuilder().build();
+    mockService.addResponse(expectedResponse);
+
+    String name = "users/user-6096/sections/section-6096";
+
+    client.deleteSection(name);
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void deleteSectionExceptionTest2() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      String name = "users/user-6096/sections/section-6096";
+      client.deleteSection(name);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void updateSectionTest() throws Exception {
+    Section expectedResponse =
+        Section.newBuilder()
+            .setName(SectionName.of("[USER]", "[SECTION]").toString())
+            .setDisplayName("displayName1714148973")
+            .setSortOrder(-374296211)
+            .build();
+    mockService.addResponse(expectedResponse);
+
+    Section section =
+        Section.newBuilder()
+            .setName(SectionName.of("[USER]", "[SECTION]").toString())
+            .setDisplayName("displayName1714148973")
+            .setSortOrder(-374296211)
+            .build();
+    FieldMask updateMask = FieldMask.newBuilder().build();
+
+    Section actualResponse = client.updateSection(section, updateMask);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void updateSectionExceptionTest() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      Section section =
+          Section.newBuilder()
+              .setName(SectionName.of("[USER]", "[SECTION]").toString())
+              .setDisplayName("displayName1714148973")
+              .setSortOrder(-374296211)
+              .build();
+      FieldMask updateMask = FieldMask.newBuilder().build();
+      client.updateSection(section, updateMask);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void listSectionsTest() throws Exception {
+    Section responsesElement = Section.newBuilder().build();
+    ListSectionsResponse expectedResponse =
+        ListSectionsResponse.newBuilder()
+            .setNextPageToken("")
+            .addAllSections(Arrays.asList(responsesElement))
+            .build();
+    mockService.addResponse(expectedResponse);
+
+    UserName parent = UserName.of("[USER]");
+
+    ListSectionsPagedResponse pagedListResponse = client.listSections(parent);
+
+    List<Section> resources = Lists.newArrayList(pagedListResponse.iterateAll());
+
+    Assert.assertEquals(1, resources.size());
+    Assert.assertEquals(expectedResponse.getSectionsList().get(0), resources.get(0));
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void listSectionsExceptionTest() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      UserName parent = UserName.of("[USER]");
+      client.listSections(parent);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void listSectionsTest2() throws Exception {
+    Section responsesElement = Section.newBuilder().build();
+    ListSectionsResponse expectedResponse =
+        ListSectionsResponse.newBuilder()
+            .setNextPageToken("")
+            .addAllSections(Arrays.asList(responsesElement))
+            .build();
+    mockService.addResponse(expectedResponse);
+
+    String parent = "users/user-1015";
+
+    ListSectionsPagedResponse pagedListResponse = client.listSections(parent);
+
+    List<Section> resources = Lists.newArrayList(pagedListResponse.iterateAll());
+
+    Assert.assertEquals(1, resources.size());
+    Assert.assertEquals(expectedResponse.getSectionsList().get(0), resources.get(0));
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void listSectionsExceptionTest2() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      String parent = "users/user-1015";
+      client.listSections(parent);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void positionSectionTest() throws Exception {
+    PositionSectionResponse expectedResponse =
+        PositionSectionResponse.newBuilder().setSection(Section.newBuilder().build()).build();
+    mockService.addResponse(expectedResponse);
+
+    PositionSectionRequest request =
+        PositionSectionRequest.newBuilder()
+            .setName(SectionName.of("[USER]", "[SECTION]").toString())
+            .build();
+
+    PositionSectionResponse actualResponse = client.positionSection(request);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void positionSectionExceptionTest() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      PositionSectionRequest request =
+          PositionSectionRequest.newBuilder()
+              .setName(SectionName.of("[USER]", "[SECTION]").toString())
+              .build();
+      client.positionSection(request);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void listSectionItemsTest() throws Exception {
+    SectionItem responsesElement = SectionItem.newBuilder().build();
+    ListSectionItemsResponse expectedResponse =
+        ListSectionItemsResponse.newBuilder()
+            .setNextPageToken("")
+            .addAllSectionItems(Arrays.asList(responsesElement))
+            .build();
+    mockService.addResponse(expectedResponse);
+
+    SectionName parent = SectionName.of("[USER]", "[SECTION]");
+
+    ListSectionItemsPagedResponse pagedListResponse = client.listSectionItems(parent);
+
+    List<SectionItem> resources = Lists.newArrayList(pagedListResponse.iterateAll());
+
+    Assert.assertEquals(1, resources.size());
+    Assert.assertEquals(expectedResponse.getSectionItemsList().get(0), resources.get(0));
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void listSectionItemsExceptionTest() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      SectionName parent = SectionName.of("[USER]", "[SECTION]");
+      client.listSectionItems(parent);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void listSectionItemsTest2() throws Exception {
+    SectionItem responsesElement = SectionItem.newBuilder().build();
+    ListSectionItemsResponse expectedResponse =
+        ListSectionItemsResponse.newBuilder()
+            .setNextPageToken("")
+            .addAllSectionItems(Arrays.asList(responsesElement))
+            .build();
+    mockService.addResponse(expectedResponse);
+
+    String parent = "users/user-9889/sections/section-9889";
+
+    ListSectionItemsPagedResponse pagedListResponse = client.listSectionItems(parent);
+
+    List<SectionItem> resources = Lists.newArrayList(pagedListResponse.iterateAll());
+
+    Assert.assertEquals(1, resources.size());
+    Assert.assertEquals(expectedResponse.getSectionItemsList().get(0), resources.get(0));
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void listSectionItemsExceptionTest2() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      String parent = "users/user-9889/sections/section-9889";
+      client.listSectionItems(parent);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void moveSectionItemTest() throws Exception {
+    MoveSectionItemResponse expectedResponse =
+        MoveSectionItemResponse.newBuilder()
+            .setSectionItem(SectionItem.newBuilder().build())
+            .build();
+    mockService.addResponse(expectedResponse);
+
+    SectionItemName name = SectionItemName.of("[USER]", "[SECTION]", "[ITEM]");
+    SectionName targetSection = SectionName.of("[USER]", "[SECTION]");
+
+    MoveSectionItemResponse actualResponse = client.moveSectionItem(name, targetSection);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void moveSectionItemExceptionTest() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      SectionItemName name = SectionItemName.of("[USER]", "[SECTION]", "[ITEM]");
+      SectionName targetSection = SectionName.of("[USER]", "[SECTION]");
+      client.moveSectionItem(name, targetSection);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void moveSectionItemTest2() throws Exception {
+    MoveSectionItemResponse expectedResponse =
+        MoveSectionItemResponse.newBuilder()
+            .setSectionItem(SectionItem.newBuilder().build())
+            .build();
+    mockService.addResponse(expectedResponse);
+
+    SectionItemName name = SectionItemName.of("[USER]", "[SECTION]", "[ITEM]");
+    String targetSection = "targetSection-20778988";
+
+    MoveSectionItemResponse actualResponse = client.moveSectionItem(name, targetSection);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void moveSectionItemExceptionTest2() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      SectionItemName name = SectionItemName.of("[USER]", "[SECTION]", "[ITEM]");
+      String targetSection = "targetSection-20778988";
+      client.moveSectionItem(name, targetSection);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void moveSectionItemTest3() throws Exception {
+    MoveSectionItemResponse expectedResponse =
+        MoveSectionItemResponse.newBuilder()
+            .setSectionItem(SectionItem.newBuilder().build())
+            .build();
+    mockService.addResponse(expectedResponse);
+
+    String name = "users/user-3436/sections/section-3436/items/item-3436";
+    SectionName targetSection = SectionName.of("[USER]", "[SECTION]");
+
+    MoveSectionItemResponse actualResponse = client.moveSectionItem(name, targetSection);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void moveSectionItemExceptionTest3() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      String name = "users/user-3436/sections/section-3436/items/item-3436";
+      SectionName targetSection = SectionName.of("[USER]", "[SECTION]");
+      client.moveSectionItem(name, targetSection);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void moveSectionItemTest4() throws Exception {
+    MoveSectionItemResponse expectedResponse =
+        MoveSectionItemResponse.newBuilder()
+            .setSectionItem(SectionItem.newBuilder().build())
+            .build();
+    mockService.addResponse(expectedResponse);
+
+    String name = "users/user-3436/sections/section-3436/items/item-3436";
+    String targetSection = "targetSection-20778988";
+
+    MoveSectionItemResponse actualResponse = client.moveSectionItem(name, targetSection);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void moveSectionItemExceptionTest4() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      String name = "users/user-3436/sections/section-3436/items/item-3436";
+      String targetSection = "targetSection-20778988";
+      client.moveSectionItem(name, targetSection);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
 }
diff --git a/java-chat/google-cloud-chat/src/test/java/com/google/chat/v1/ChatServiceClientTest.java b/java-chat/google-cloud-chat/src/test/java/com/google/chat/v1/ChatServiceClientTest.java
index aba5067412e5..b6817f027887 100644
--- a/java-chat/google-cloud-chat/src/test/java/com/google/chat/v1/ChatServiceClientTest.java
+++ b/java-chat/google-cloud-chat/src/test/java/com/google/chat/v1/ChatServiceClientTest.java
@@ -20,6 +20,8 @@
 import static com.google.chat.v1.ChatServiceClient.ListMembershipsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListMessagesPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListReactionsPagedResponse;
+import static com.google.chat.v1.ChatServiceClient.ListSectionItemsPagedResponse;
+import static com.google.chat.v1.ChatServiceClient.ListSectionsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListSpaceEventsPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.ListSpacesPagedResponse;
 import static com.google.chat.v1.ChatServiceClient.SearchSpacesPagedResponse;
@@ -2596,4 +2598,585 @@ public void updateSpaceNotificationSettingExceptionTest() throws Exception {
       // Expected exception.
     }
   }
+
+  @Test
+  public void createSectionTest() throws Exception {
+    Section expectedResponse =
+        Section.newBuilder()
+            .setName(SectionName.of("[USER]", "[SECTION]").toString())
+            .setDisplayName("displayName1714148973")
+            .setSortOrder(-374296211)
+            .build();
+    mockChatService.addResponse(expectedResponse);
+
+    UserName parent = UserName.of("[USER]");
+    Section section = Section.newBuilder().build();
+
+    Section actualResponse = client.createSection(parent, section);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockChatService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    CreateSectionRequest actualRequest = ((CreateSectionRequest) actualRequests.get(0));
+
+    Assert.assertEquals(parent.toString(), actualRequest.getParent());
+    Assert.assertEquals(section, actualRequest.getSection());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void createSectionExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockChatService.addException(exception);
+
+    try {
+      UserName parent = UserName.of("[USER]");
+      Section section = Section.newBuilder().build();
+      client.createSection(parent, section);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void createSectionTest2() throws Exception {
+    Section expectedResponse =
+        Section.newBuilder()
+            .setName(SectionName.of("[USER]", "[SECTION]").toString())
+            .setDisplayName("displayName1714148973")
+            .setSortOrder(-374296211)
+            .build();
+    mockChatService.addResponse(expectedResponse);
+
+    String parent = "parent-995424086";
+    Section section = Section.newBuilder().build();
+
+    Section actualResponse = client.createSection(parent, section);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockChatService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    CreateSectionRequest actualRequest = ((CreateSectionRequest) actualRequests.get(0));
+
+    Assert.assertEquals(parent, actualRequest.getParent());
+    Assert.assertEquals(section, actualRequest.getSection());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void createSectionExceptionTest2() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockChatService.addException(exception);
+
+    try {
+      String parent = "parent-995424086";
+      Section section = Section.newBuilder().build();
+      client.createSection(parent, section);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void deleteSectionTest() throws Exception {
+    Empty expectedResponse = Empty.newBuilder().build();
+    mockChatService.addResponse(expectedResponse);
+
+    SectionName name = SectionName.of("[USER]", "[SECTION]");
+
+    client.deleteSection(name);
+
+    List<AbstractMessage> actualRequests = mockChatService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    DeleteSectionRequest actualRequest = ((DeleteSectionRequest) actualRequests.get(0));
+
+    Assert.assertEquals(name.toString(), actualRequest.getName());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void deleteSectionExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockChatService.addException(exception);
+
+    try {
+      SectionName name = SectionName.of("[USER]", "[SECTION]");
+      client.deleteSection(name);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void deleteSectionTest2() throws Exception {
+    Empty expectedResponse = Empty.newBuilder().build();
+    mockChatService.addResponse(expectedResponse);
+
+    String name = "name3373707";
+
+    client.deleteSection(name);
+
+    List<AbstractMessage> actualRequests = mockChatService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    DeleteSectionRequest actualRequest = ((DeleteSectionRequest) actualRequests.get(0));
+
+    Assert.assertEquals(name, actualRequest.getName());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void deleteSectionExceptionTest2() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockChatService.addException(exception);
+
+    try {
+      String name = "name3373707";
+      client.deleteSection(name);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void updateSectionTest() throws Exception {
+    Section expectedResponse =
+        Section.newBuilder()
+            .setName(SectionName.of("[USER]", "[SECTION]").toString())
+            .setDisplayName("displayName1714148973")
+            .setSortOrder(-374296211)
+            .build();
+    mockChatService.addResponse(expectedResponse);
+
+    Section section = Section.newBuilder().build();
+    FieldMask updateMask = FieldMask.newBuilder().build();
+
+    Section actualResponse = client.updateSection(section, updateMask);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockChatService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    UpdateSectionRequest actualRequest = ((UpdateSectionRequest) actualRequests.get(0));
+
+    Assert.assertEquals(section, actualRequest.getSection());
+    Assert.assertEquals(updateMask, actualRequest.getUpdateMask());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void updateSectionExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockChatService.addException(exception);
+
+    try {
+      Section section = Section.newBuilder().build();
+      FieldMask updateMask = FieldMask.newBuilder().build();
+      client.updateSection(section, updateMask);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void listSectionsTest() throws Exception {
+    Section responsesElement = Section.newBuilder().build();
+    ListSectionsResponse expectedResponse =
+        ListSectionsResponse.newBuilder()
+            .setNextPageToken("")
+            .addAllSections(Arrays.asList(responsesElement))
+            .build();
+    mockChatService.addResponse(expectedResponse);
+
+    UserName parent = UserName.of("[USER]");
+
+    ListSectionsPagedResponse pagedListResponse = client.listSections(parent);
+
+    List<Section> resources = Lists.newArrayList(pagedListResponse.iterateAll());
+
+    Assert.assertEquals(1, resources.size());
+    Assert.assertEquals(expectedResponse.getSectionsList().get(0), resources.get(0));
+
+    List<AbstractMessage> actualRequests = mockChatService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    ListSectionsRequest actualRequest = ((ListSectionsRequest) actualRequests.get(0));
+
+    Assert.assertEquals(parent.toString(), actualRequest.getParent());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void listSectionsExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockChatService.addException(exception);
+
+    try {
+      UserName parent = UserName.of("[USER]");
+      client.listSections(parent);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void listSectionsTest2() throws Exception {
+    Section responsesElement = Section.newBuilder().build();
+    ListSectionsResponse expectedResponse =
+        ListSectionsResponse.newBuilder()
+            .setNextPageToken("")
+            .addAllSections(Arrays.asList(responsesElement))
+            .build();
+    mockChatService.addResponse(expectedResponse);
+
+    String parent = "parent-995424086";
+
+    ListSectionsPagedResponse pagedListResponse = client.listSections(parent);
+
+    List<Section> resources = Lists.newArrayList(pagedListResponse.iterateAll());
+
+    Assert.assertEquals(1, resources.size());
+    Assert.assertEquals(expectedResponse.getSectionsList().get(0), resources.get(0));
+
+    List<AbstractMessage> actualRequests = mockChatService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    ListSectionsRequest actualRequest = ((ListSectionsRequest) actualRequests.get(0));
+
+    Assert.assertEquals(parent, actualRequest.getParent());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void listSectionsExceptionTest2() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockChatService.addException(exception);
+
+    try {
+      String parent = "parent-995424086";
+      client.listSections(parent);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void positionSectionTest() throws Exception {
+    PositionSectionResponse expectedResponse =
+        PositionSectionResponse.newBuilder().setSection(Section.newBuilder().build()).build();
+    mockChatService.addResponse(expectedResponse);
+
+    PositionSectionRequest request =
+        PositionSectionRequest.newBuilder()
+            .setName(SectionName.of("[USER]", "[SECTION]").toString())
+            .build();
+
+    PositionSectionResponse actualResponse = client.positionSection(request);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockChatService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    PositionSectionRequest actualRequest = ((PositionSectionRequest) actualRequests.get(0));
+
+    Assert.assertEquals(request.getName(), actualRequest.getName());
+    Assert.assertEquals(request.getSortOrder(), actualRequest.getSortOrder());
+    Assert.assertEquals(request.getRelativePosition(), actualRequest.getRelativePosition());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void positionSectionExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockChatService.addException(exception);
+
+    try {
+      PositionSectionRequest request =
+          PositionSectionRequest.newBuilder()
+              .setName(SectionName.of("[USER]", "[SECTION]").toString())
+              .build();
+      client.positionSection(request);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void listSectionItemsTest() throws Exception {
+    SectionItem responsesElement = SectionItem.newBuilder().build();
+    ListSectionItemsResponse expectedResponse =
+        ListSectionItemsResponse.newBuilder()
+            .setNextPageToken("")
+            .addAllSectionItems(Arrays.asList(responsesElement))
+            .build();
+    mockChatService.addResponse(expectedResponse);
+
+    SectionName parent = SectionName.of("[USER]", "[SECTION]");
+
+    ListSectionItemsPagedResponse pagedListResponse = client.listSectionItems(parent);
+
+    List<SectionItem> resources = Lists.newArrayList(pagedListResponse.iterateAll());
+
+    Assert.assertEquals(1, resources.size());
+    Assert.assertEquals(expectedResponse.getSectionItemsList().get(0), resources.get(0));
+
+    List<AbstractMessage> actualRequests = mockChatService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    ListSectionItemsRequest actualRequest = ((ListSectionItemsRequest) actualRequests.get(0));
+
+    Assert.assertEquals(parent.toString(), actualRequest.getParent());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void listSectionItemsExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockChatService.addException(exception);
+
+    try {
+      SectionName parent = SectionName.of("[USER]", "[SECTION]");
+      client.listSectionItems(parent);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void listSectionItemsTest2() throws Exception {
+    SectionItem responsesElement = SectionItem.newBuilder().build();
+    ListSectionItemsResponse expectedResponse =
+        ListSectionItemsResponse.newBuilder()
+            .setNextPageToken("")
+            .addAllSectionItems(Arrays.asList(responsesElement))
+            .build();
+    mockChatService.addResponse(expectedResponse);
+
+    String parent = "parent-995424086";
+
+    ListSectionItemsPagedResponse pagedListResponse = client.listSectionItems(parent);
+
+    List<SectionItem> resources = Lists.newArrayList(pagedListResponse.iterateAll());
+
+    Assert.assertEquals(1, resources.size());
+    Assert.assertEquals(expectedResponse.getSectionItemsList().get(0), resources.get(0));
+
+    List<AbstractMessage> actualRequests = mockChatService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    ListSectionItemsRequest actualRequest = ((ListSectionItemsRequest) actualRequests.get(0));
+
+    Assert.assertEquals(parent, actualRequest.getParent());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void listSectionItemsExceptionTest2() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockChatService.addException(exception);
+
+    try {
+      String parent = "parent-995424086";
+      client.listSectionItems(parent);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void moveSectionItemTest() throws Exception {
+    MoveSectionItemResponse expectedResponse =
+        MoveSectionItemResponse.newBuilder()
+            .setSectionItem(SectionItem.newBuilder().build())
+            .build();
+    mockChatService.addResponse(expectedResponse);
+
+    SectionItemName name = SectionItemName.of("[USER]", "[SECTION]", "[ITEM]");
+    SectionName targetSection = SectionName.of("[USER]", "[SECTION]");
+
+    MoveSectionItemResponse actualResponse = client.moveSectionItem(name, targetSection);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockChatService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    MoveSectionItemRequest actualRequest = ((MoveSectionItemRequest) actualRequests.get(0));
+
+    Assert.assertEquals(name.toString(), actualRequest.getName());
+    Assert.assertEquals(targetSection.toString(), actualRequest.getTargetSection());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void moveSectionItemExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockChatService.addException(exception);
+
+    try {
+      SectionItemName name = SectionItemName.of("[USER]", "[SECTION]", "[ITEM]");
+      SectionName targetSection = SectionName.of("[USER]", "[SECTION]");
+      client.moveSectionItem(name, targetSection);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void moveSectionItemTest2() throws Exception {
+    MoveSectionItemResponse expectedResponse =
+        MoveSectionItemResponse.newBuilder()
+            .setSectionItem(SectionItem.newBuilder().build())
+            .build();
+    mockChatService.addResponse(expectedResponse);
+
+    SectionItemName name = SectionItemName.of("[USER]", "[SECTION]", "[ITEM]");
+    String targetSection = "targetSection-20778988";
+
+    MoveSectionItemResponse actualResponse = client.moveSectionItem(name, targetSection);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockChatService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    MoveSectionItemRequest actualRequest = ((MoveSectionItemRequest) actualRequests.get(0));
+
+    Assert.assertEquals(name.toString(), actualRequest.getName());
+    Assert.assertEquals(targetSection, actualRequest.getTargetSection());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void moveSectionItemExceptionTest2() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockChatService.addException(exception);
+
+    try {
+      SectionItemName name = SectionItemName.of("[USER]", "[SECTION]", "[ITEM]");
+      String targetSection = "targetSection-20778988";
+      client.moveSectionItem(name, targetSection);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void moveSectionItemTest3() throws Exception {
+    MoveSectionItemResponse expectedResponse =
+        MoveSectionItemResponse.newBuilder()
+            .setSectionItem(SectionItem.newBuilder().build())
+            .build();
+    mockChatService.addResponse(expectedResponse);
+
+    String name = "name3373707";
+    SectionName targetSection = SectionName.of("[USER]", "[SECTION]");
+
+    MoveSectionItemResponse actualResponse = client.moveSectionItem(name, targetSection);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockChatService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    MoveSectionItemRequest actualRequest = ((MoveSectionItemRequest) actualRequests.get(0));
+
+    Assert.assertEquals(name, actualRequest.getName());
+    Assert.assertEquals(targetSection.toString(), actualRequest.getTargetSection());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void moveSectionItemExceptionTest3() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockChatService.addException(exception);
+
+    try {
+      String name = "name3373707";
+      SectionName targetSection = SectionName.of("[USER]", "[SECTION]");
+      client.moveSectionItem(name, targetSection);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void moveSectionItemTest4() throws Exception {
+    MoveSectionItemResponse expectedResponse =
+        MoveSectionItemResponse.newBuilder()
+            .setSectionItem(SectionItem.newBuilder().build())
+            .build();
+    mockChatService.addResponse(expectedResponse);
+
+    String name = "name3373707";
+    String targetSection = "targetSection-20778988";
+
+    MoveSectionItemResponse actualResponse = client.moveSectionItem(name, targetSection);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockChatService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    MoveSectionItemRequest actualRequest = ((MoveSectionItemRequest) actualRequests.get(0));
+
+    Assert.assertEquals(name, actualRequest.getName());
+    Assert.assertEquals(targetSection, actualRequest.getTargetSection());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void moveSectionItemExceptionTest4() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockChatService.addException(exception);
+
+    try {
+      String name = "name3373707";
+      String targetSection = "targetSection-20778988";
+      client.moveSectionItem(name, targetSection);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
 }
diff --git a/java-chat/google-cloud-chat/src/test/java/com/google/chat/v1/MockChatServiceImpl.java b/java-chat/google-cloud-chat/src/test/java/com/google/chat/v1/MockChatServiceImpl.java
index b3ad018d40ec..33c98f3ce115 100644
--- a/java-chat/google-cloud-chat/src/test/java/com/google/chat/v1/MockChatServiceImpl.java
+++ b/java-chat/google-cloud-chat/src/test/java/com/google/chat/v1/MockChatServiceImpl.java
@@ -792,4 +792,150 @@ public void updateSpaceNotificationSetting(
                   Exception.class.getName())));
     }
   }
+
+  @Override
+  public void createSection(
+      CreateSectionRequest request, StreamObserver<Section> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof Section) {
+      requests.add(request);
+      responseObserver.onNext(((Section) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method CreateSection, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  Section.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
+
+  @Override
+  public void deleteSection(DeleteSectionRequest request, StreamObserver<Empty> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof Empty) {
+      requests.add(request);
+      responseObserver.onNext(((Empty) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method DeleteSection, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  Empty.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
+
+  @Override
+  public void updateSection(
+      UpdateSectionRequest request, StreamObserver<Section> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof Section) {
+      requests.add(request);
+      responseObserver.onNext(((Section) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method UpdateSection, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  Section.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
+
+  @Override
+  public void listSections(
+      ListSectionsRequest request, StreamObserver<ListSectionsResponse> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof ListSectionsResponse) {
+      requests.add(request);
+      responseObserver.onNext(((ListSectionsResponse) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method ListSections, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  ListSectionsResponse.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
+
+  @Override
+  public void positionSection(
+      PositionSectionRequest request, StreamObserver<PositionSectionResponse> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof PositionSectionResponse) {
+      requests.add(request);
+      responseObserver.onNext(((PositionSectionResponse) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method PositionSection, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  PositionSectionResponse.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
+
+  @Override
+  public void listSectionItems(
+      ListSectionItemsRequest request, StreamObserver<ListSectionItemsResponse> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof ListSectionItemsResponse) {
+      requests.add(request);
+      responseObserver.onNext(((ListSectionItemsResponse) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method ListSectionItems, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  ListSectionItemsResponse.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
+
+  @Override
+  public void moveSectionItem(
+      MoveSectionItemRequest request, StreamObserver<MoveSectionItemResponse> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof MoveSectionItemResponse) {
+      requests.add(request);
+      responseObserver.onNext(((MoveSectionItemResponse) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method MoveSectionItem, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  MoveSectionItemResponse.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
 }
diff --git a/java-chat/grpc-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ChatServiceGrpc.java b/java-chat/grpc-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ChatServiceGrpc.java
index fb84dcfaf379..ff694f9e63de 100644
--- a/java-chat/grpc-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ChatServiceGrpc.java
+++ b/java-chat/grpc-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ChatServiceGrpc.java
@@ -1469,6 +1469,290 @@ private ChatServiceGrpc() {}
     return getUpdateSpaceNotificationSettingMethod;
   }
 
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.chat.v1.CreateSectionRequest, com.google.chat.v1.Section>
+      getCreateSectionMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "CreateSection",
+      requestType = com.google.chat.v1.CreateSectionRequest.class,
+      responseType = com.google.chat.v1.Section.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.chat.v1.CreateSectionRequest, com.google.chat.v1.Section>
+      getCreateSectionMethod() {
+    io.grpc.MethodDescriptor<com.google.chat.v1.CreateSectionRequest, com.google.chat.v1.Section>
+        getCreateSectionMethod;
+    if ((getCreateSectionMethod = ChatServiceGrpc.getCreateSectionMethod) == null) {
+      synchronized (ChatServiceGrpc.class) {
+        if ((getCreateSectionMethod = ChatServiceGrpc.getCreateSectionMethod) == null) {
+          ChatServiceGrpc.getCreateSectionMethod =
+              getCreateSectionMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.chat.v1.CreateSectionRequest, com.google.chat.v1.Section>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "CreateSection"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.chat.v1.CreateSectionRequest.getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.chat.v1.Section.getDefaultInstance()))
+                      .setSchemaDescriptor(new ChatServiceMethodDescriptorSupplier("CreateSection"))
+                      .build();
+        }
+      }
+    }
+    return getCreateSectionMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.chat.v1.DeleteSectionRequest, com.google.protobuf.Empty>
+      getDeleteSectionMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "DeleteSection",
+      requestType = com.google.chat.v1.DeleteSectionRequest.class,
+      responseType = com.google.protobuf.Empty.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.chat.v1.DeleteSectionRequest, com.google.protobuf.Empty>
+      getDeleteSectionMethod() {
+    io.grpc.MethodDescriptor<com.google.chat.v1.DeleteSectionRequest, com.google.protobuf.Empty>
+        getDeleteSectionMethod;
+    if ((getDeleteSectionMethod = ChatServiceGrpc.getDeleteSectionMethod) == null) {
+      synchronized (ChatServiceGrpc.class) {
+        if ((getDeleteSectionMethod = ChatServiceGrpc.getDeleteSectionMethod) == null) {
+          ChatServiceGrpc.getDeleteSectionMethod =
+              getDeleteSectionMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.chat.v1.DeleteSectionRequest, com.google.protobuf.Empty>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "DeleteSection"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.chat.v1.DeleteSectionRequest.getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.protobuf.Empty.getDefaultInstance()))
+                      .setSchemaDescriptor(new ChatServiceMethodDescriptorSupplier("DeleteSection"))
+                      .build();
+        }
+      }
+    }
+    return getDeleteSectionMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.chat.v1.UpdateSectionRequest, com.google.chat.v1.Section>
+      getUpdateSectionMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "UpdateSection",
+      requestType = com.google.chat.v1.UpdateSectionRequest.class,
+      responseType = com.google.chat.v1.Section.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.chat.v1.UpdateSectionRequest, com.google.chat.v1.Section>
+      getUpdateSectionMethod() {
+    io.grpc.MethodDescriptor<com.google.chat.v1.UpdateSectionRequest, com.google.chat.v1.Section>
+        getUpdateSectionMethod;
+    if ((getUpdateSectionMethod = ChatServiceGrpc.getUpdateSectionMethod) == null) {
+      synchronized (ChatServiceGrpc.class) {
+        if ((getUpdateSectionMethod = ChatServiceGrpc.getUpdateSectionMethod) == null) {
+          ChatServiceGrpc.getUpdateSectionMethod =
+              getUpdateSectionMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.chat.v1.UpdateSectionRequest, com.google.chat.v1.Section>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "UpdateSection"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.chat.v1.UpdateSectionRequest.getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.chat.v1.Section.getDefaultInstance()))
+                      .setSchemaDescriptor(new ChatServiceMethodDescriptorSupplier("UpdateSection"))
+                      .build();
+        }
+      }
+    }
+    return getUpdateSectionMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.chat.v1.ListSectionsRequest, com.google.chat.v1.ListSectionsResponse>
+      getListSectionsMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "ListSections",
+      requestType = com.google.chat.v1.ListSectionsRequest.class,
+      responseType = com.google.chat.v1.ListSectionsResponse.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.chat.v1.ListSectionsRequest, com.google.chat.v1.ListSectionsResponse>
+      getListSectionsMethod() {
+    io.grpc.MethodDescriptor<
+            com.google.chat.v1.ListSectionsRequest, com.google.chat.v1.ListSectionsResponse>
+        getListSectionsMethod;
+    if ((getListSectionsMethod = ChatServiceGrpc.getListSectionsMethod) == null) {
+      synchronized (ChatServiceGrpc.class) {
+        if ((getListSectionsMethod = ChatServiceGrpc.getListSectionsMethod) == null) {
+          ChatServiceGrpc.getListSectionsMethod =
+              getListSectionsMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.chat.v1.ListSectionsRequest,
+                          com.google.chat.v1.ListSectionsResponse>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ListSections"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.chat.v1.ListSectionsRequest.getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.chat.v1.ListSectionsResponse.getDefaultInstance()))
+                      .setSchemaDescriptor(new ChatServiceMethodDescriptorSupplier("ListSections"))
+                      .build();
+        }
+      }
+    }
+    return getListSectionsMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.chat.v1.PositionSectionRequest, com.google.chat.v1.PositionSectionResponse>
+      getPositionSectionMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "PositionSection",
+      requestType = com.google.chat.v1.PositionSectionRequest.class,
+      responseType = com.google.chat.v1.PositionSectionResponse.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.chat.v1.PositionSectionRequest, com.google.chat.v1.PositionSectionResponse>
+      getPositionSectionMethod() {
+    io.grpc.MethodDescriptor<
+            com.google.chat.v1.PositionSectionRequest, com.google.chat.v1.PositionSectionResponse>
+        getPositionSectionMethod;
+    if ((getPositionSectionMethod = ChatServiceGrpc.getPositionSectionMethod) == null) {
+      synchronized (ChatServiceGrpc.class) {
+        if ((getPositionSectionMethod = ChatServiceGrpc.getPositionSectionMethod) == null) {
+          ChatServiceGrpc.getPositionSectionMethod =
+              getPositionSectionMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.chat.v1.PositionSectionRequest,
+                          com.google.chat.v1.PositionSectionResponse>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "PositionSection"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.chat.v1.PositionSectionRequest.getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.chat.v1.PositionSectionResponse.getDefaultInstance()))
+                      .setSchemaDescriptor(
+                          new ChatServiceMethodDescriptorSupplier("PositionSection"))
+                      .build();
+        }
+      }
+    }
+    return getPositionSectionMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.chat.v1.ListSectionItemsRequest, com.google.chat.v1.ListSectionItemsResponse>
+      getListSectionItemsMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "ListSectionItems",
+      requestType = com.google.chat.v1.ListSectionItemsRequest.class,
+      responseType = com.google.chat.v1.ListSectionItemsResponse.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.chat.v1.ListSectionItemsRequest, com.google.chat.v1.ListSectionItemsResponse>
+      getListSectionItemsMethod() {
+    io.grpc.MethodDescriptor<
+            com.google.chat.v1.ListSectionItemsRequest, com.google.chat.v1.ListSectionItemsResponse>
+        getListSectionItemsMethod;
+    if ((getListSectionItemsMethod = ChatServiceGrpc.getListSectionItemsMethod) == null) {
+      synchronized (ChatServiceGrpc.class) {
+        if ((getListSectionItemsMethod = ChatServiceGrpc.getListSectionItemsMethod) == null) {
+          ChatServiceGrpc.getListSectionItemsMethod =
+              getListSectionItemsMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.chat.v1.ListSectionItemsRequest,
+                          com.google.chat.v1.ListSectionItemsResponse>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ListSectionItems"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.chat.v1.ListSectionItemsRequest.getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.chat.v1.ListSectionItemsResponse.getDefaultInstance()))
+                      .setSchemaDescriptor(
+                          new ChatServiceMethodDescriptorSupplier("ListSectionItems"))
+                      .build();
+        }
+      }
+    }
+    return getListSectionItemsMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.chat.v1.MoveSectionItemRequest, com.google.chat.v1.MoveSectionItemResponse>
+      getMoveSectionItemMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "MoveSectionItem",
+      requestType = com.google.chat.v1.MoveSectionItemRequest.class,
+      responseType = com.google.chat.v1.MoveSectionItemResponse.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.chat.v1.MoveSectionItemRequest, com.google.chat.v1.MoveSectionItemResponse>
+      getMoveSectionItemMethod() {
+    io.grpc.MethodDescriptor<
+            com.google.chat.v1.MoveSectionItemRequest, com.google.chat.v1.MoveSectionItemResponse>
+        getMoveSectionItemMethod;
+    if ((getMoveSectionItemMethod = ChatServiceGrpc.getMoveSectionItemMethod) == null) {
+      synchronized (ChatServiceGrpc.class) {
+        if ((getMoveSectionItemMethod = ChatServiceGrpc.getMoveSectionItemMethod) == null) {
+          ChatServiceGrpc.getMoveSectionItemMethod =
+              getMoveSectionItemMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.chat.v1.MoveSectionItemRequest,
+                          com.google.chat.v1.MoveSectionItemResponse>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "MoveSectionItem"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.chat.v1.MoveSectionItemRequest.getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.chat.v1.MoveSectionItemResponse.getDefaultInstance()))
+                      .setSchemaDescriptor(
+                          new ChatServiceMethodDescriptorSupplier("MoveSectionItem"))
+                      .build();
+        }
+      }
+    }
+    return getMoveSectionItemMethod;
+  }
+
   /** Creates a new async stub that supports all call types for the service */
   public static ChatServiceStub newStub(io.grpc.Channel channel) {
     io.grpc.stub.AbstractStub.StubFactory<ChatServiceStub> factory =
@@ -1597,9 +1881,8 @@ default void createMessage(
      * - [App
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
      * with [administrator
-     * approval](https://support.google.com/a?p=chat-app-auth) in
-     * [Developer Preview](https://developers.google.com/workspace/preview)
-     *  with the authorization scope:
+     * approval](https://support.google.com/a?p=chat-app-auth)
+     * with the authorization scope:
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`. When
      *     using this authentication scope, this method only returns public
      *     messages in a space. It doesn't include private messages.
@@ -1716,8 +1999,7 @@ default void getMembership(
      *     that invoke the Chat app.
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`
      *     with [administrator
-     *     approval](https://support.google.com/a?p=chat-app-auth) (available in
-     *     [Developer Preview](https://developers.google.com/workspace/preview)).
+     *     approval](https://support.google.com/a?p=chat-app-auth).
      *     When using this authentication scope,
      *     this method returns details about a public message in a space.
      * - [User
@@ -2577,12 +2859,13 @@ default void getThreadReadState(
      * - [App
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
      * with [administrator
-     * approval](https://support.google.com/a?p=chat-app-auth) in
-     * [Developer Preview](https://developers.google.com/workspace/preview)
-     *  with one of the following authorization scopes:
+     * approval](https://support.google.com/a?p=chat-app-auth)
+     * with one of the following authorization scopes:
      *     - `https://www.googleapis.com/auth/chat.app.spaces`
+     *     - `https://www.googleapis.com/auth/chat.app.spaces.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.memberships`
+     *     - `https://www.googleapis.com/auth/chat.app.memberships.readonly`
      * - [User
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
      * with one of the following authorization scopes:
@@ -2627,12 +2910,13 @@ default void getSpaceEvent(
      * - [App
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
      * with [administrator
-     * approval](https://support.google.com/a?p=chat-app-auth) in
-     * [Developer Preview](https://developers.google.com/workspace/preview)
-     *  with one of the following authorization scopes:
+     * approval](https://support.google.com/a?p=chat-app-auth)
+     * with one of the following authorization scopes:
      *     - `https://www.googleapis.com/auth/chat.app.spaces`
+     *     - `https://www.googleapis.com/auth/chat.app.spaces.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.memberships`
+     *     - `https://www.googleapis.com/auth/chat.app.memberships.readonly`
      * - [User
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
      * with one of the following authorization scopes:
@@ -2697,6 +2981,160 @@ default void updateSpaceNotificationSetting(
       io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
           getUpdateSpaceNotificationSettingMethod(), responseObserver);
     }
+
+    /**
+     *
+     *
+     * <pre>
+     * Creates a section in Google Chat. Sections help users group conversations
+     * and customize the list of spaces displayed in Chat navigation panel. Only
+     * sections of type `CUSTOM_SECTION` can be created. For details, see [Create
+     * and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    default void createSection(
+        com.google.chat.v1.CreateSectionRequest request,
+        io.grpc.stub.StreamObserver<com.google.chat.v1.Section> responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
+          getCreateSectionMethod(), responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Deletes a section of type `CUSTOM_SECTION`.
+     * If the section contains items, such as spaces, the items are moved to
+     * Google Chat's default sections and are not deleted.
+     * For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    default void deleteSection(
+        com.google.chat.v1.DeleteSectionRequest request,
+        io.grpc.stub.StreamObserver<com.google.protobuf.Empty> responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
+          getDeleteSectionMethod(), responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Updates a section. Only sections of type `CUSTOM_SECTION` can be updated.
+     * For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    default void updateSection(
+        com.google.chat.v1.UpdateSectionRequest request,
+        io.grpc.stub.StreamObserver<com.google.chat.v1.Section> responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
+          getUpdateSectionMethod(), responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Lists sections available to the Chat user. Sections help users group their
+     * conversations and customize the list of spaces displayed in Chat
+     * navigation panel. For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     *   - `https://www.googleapis.com/auth/chat.users.sections.readonly`
+     * </pre>
+     */
+    default void listSections(
+        com.google.chat.v1.ListSectionsRequest request,
+        io.grpc.stub.StreamObserver<com.google.chat.v1.ListSectionsResponse> responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
+          getListSectionsMethod(), responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Changes the sort order of a section. For details, see [Create and organize
+     * sections in Google Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    default void positionSection(
+        com.google.chat.v1.PositionSectionRequest request,
+        io.grpc.stub.StreamObserver<com.google.chat.v1.PositionSectionResponse> responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
+          getPositionSectionMethod(), responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Lists items in a section.
+     * Only spaces can be section items. For details, see [Create and organize
+     * sections in Google Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     *   - `https://www.googleapis.com/auth/chat.users.sections.readonly`
+     * </pre>
+     */
+    default void listSectionItems(
+        com.google.chat.v1.ListSectionItemsRequest request,
+        io.grpc.stub.StreamObserver<com.google.chat.v1.ListSectionItemsResponse> responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
+          getListSectionItemsMethod(), responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Moves an item from one section to another. For example, if a section
+     * contains spaces, this method can be used to move a space to a different
+     * section. For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    default void moveSectionItem(
+        com.google.chat.v1.MoveSectionItemRequest request,
+        io.grpc.stub.StreamObserver<com.google.chat.v1.MoveSectionItemResponse> responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
+          getMoveSectionItemMethod(), responseObserver);
+    }
   }
 
   /**
@@ -2802,9 +3240,8 @@ public void createMessage(
      * - [App
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
      * with [administrator
-     * approval](https://support.google.com/a?p=chat-app-auth) in
-     * [Developer Preview](https://developers.google.com/workspace/preview)
-     *  with the authorization scope:
+     * approval](https://support.google.com/a?p=chat-app-auth)
+     * with the authorization scope:
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`. When
      *     using this authentication scope, this method only returns public
      *     messages in a space. It doesn't include private messages.
@@ -2927,8 +3364,7 @@ public void getMembership(
      *     that invoke the Chat app.
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`
      *     with [administrator
-     *     approval](https://support.google.com/a?p=chat-app-auth) (available in
-     *     [Developer Preview](https://developers.google.com/workspace/preview)).
+     *     approval](https://support.google.com/a?p=chat-app-auth).
      *     When using this authentication scope,
      *     this method returns details about a public message in a space.
      * - [User
@@ -3838,12 +4274,13 @@ public void getThreadReadState(
      * - [App
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
      * with [administrator
-     * approval](https://support.google.com/a?p=chat-app-auth) in
-     * [Developer Preview](https://developers.google.com/workspace/preview)
-     *  with one of the following authorization scopes:
+     * approval](https://support.google.com/a?p=chat-app-auth)
+     * with one of the following authorization scopes:
      *     - `https://www.googleapis.com/auth/chat.app.spaces`
+     *     - `https://www.googleapis.com/auth/chat.app.spaces.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.memberships`
+     *     - `https://www.googleapis.com/auth/chat.app.memberships.readonly`
      * - [User
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
      * with one of the following authorization scopes:
@@ -3890,12 +4327,13 @@ public void getSpaceEvent(
      * - [App
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
      * with [administrator
-     * approval](https://support.google.com/a?p=chat-app-auth) in
-     * [Developer Preview](https://developers.google.com/workspace/preview)
-     *  with one of the following authorization scopes:
+     * approval](https://support.google.com/a?p=chat-app-auth)
+     * with one of the following authorization scopes:
      *     - `https://www.googleapis.com/auth/chat.app.spaces`
+     *     - `https://www.googleapis.com/auth/chat.app.spaces.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.memberships`
+     *     - `https://www.googleapis.com/auth/chat.app.memberships.readonly`
      * - [User
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
      * with one of the following authorization scopes:
@@ -3966,6 +4404,174 @@ public void updateSpaceNotificationSetting(
           request,
           responseObserver);
     }
+
+    /**
+     *
+     *
+     * <pre>
+     * Creates a section in Google Chat. Sections help users group conversations
+     * and customize the list of spaces displayed in Chat navigation panel. Only
+     * sections of type `CUSTOM_SECTION` can be created. For details, see [Create
+     * and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    public void createSection(
+        com.google.chat.v1.CreateSectionRequest request,
+        io.grpc.stub.StreamObserver<com.google.chat.v1.Section> responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getCreateSectionMethod(), getCallOptions()),
+          request,
+          responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Deletes a section of type `CUSTOM_SECTION`.
+     * If the section contains items, such as spaces, the items are moved to
+     * Google Chat's default sections and are not deleted.
+     * For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    public void deleteSection(
+        com.google.chat.v1.DeleteSectionRequest request,
+        io.grpc.stub.StreamObserver<com.google.protobuf.Empty> responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getDeleteSectionMethod(), getCallOptions()),
+          request,
+          responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Updates a section. Only sections of type `CUSTOM_SECTION` can be updated.
+     * For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    public void updateSection(
+        com.google.chat.v1.UpdateSectionRequest request,
+        io.grpc.stub.StreamObserver<com.google.chat.v1.Section> responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getUpdateSectionMethod(), getCallOptions()),
+          request,
+          responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Lists sections available to the Chat user. Sections help users group their
+     * conversations and customize the list of spaces displayed in Chat
+     * navigation panel. For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     *   - `https://www.googleapis.com/auth/chat.users.sections.readonly`
+     * </pre>
+     */
+    public void listSections(
+        com.google.chat.v1.ListSectionsRequest request,
+        io.grpc.stub.StreamObserver<com.google.chat.v1.ListSectionsResponse> responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getListSectionsMethod(), getCallOptions()),
+          request,
+          responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Changes the sort order of a section. For details, see [Create and organize
+     * sections in Google Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    public void positionSection(
+        com.google.chat.v1.PositionSectionRequest request,
+        io.grpc.stub.StreamObserver<com.google.chat.v1.PositionSectionResponse> responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getPositionSectionMethod(), getCallOptions()),
+          request,
+          responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Lists items in a section.
+     * Only spaces can be section items. For details, see [Create and organize
+     * sections in Google Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     *   - `https://www.googleapis.com/auth/chat.users.sections.readonly`
+     * </pre>
+     */
+    public void listSectionItems(
+        com.google.chat.v1.ListSectionItemsRequest request,
+        io.grpc.stub.StreamObserver<com.google.chat.v1.ListSectionItemsResponse> responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getListSectionItemsMethod(), getCallOptions()),
+          request,
+          responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Moves an item from one section to another. For example, if a section
+     * contains spaces, this method can be used to move a space to a different
+     * section. For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    public void moveSectionItem(
+        com.google.chat.v1.MoveSectionItemRequest request,
+        io.grpc.stub.StreamObserver<com.google.chat.v1.MoveSectionItemResponse> responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getMoveSectionItemMethod(), getCallOptions()),
+          request,
+          responseObserver);
+    }
   }
 
   /**
@@ -4052,9 +4658,8 @@ public com.google.chat.v1.Message createMessage(com.google.chat.v1.CreateMessage
      * - [App
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
      * with [administrator
-     * approval](https://support.google.com/a?p=chat-app-auth) in
-     * [Developer Preview](https://developers.google.com/workspace/preview)
-     *  with the authorization scope:
+     * approval](https://support.google.com/a?p=chat-app-auth)
+     * with the authorization scope:
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`. When
      *     using this authentication scope, this method only returns public
      *     messages in a space. It doesn't include private messages.
@@ -4168,8 +4773,7 @@ public com.google.chat.v1.Membership getMembership(
      *     that invoke the Chat app.
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`
      *     with [administrator
-     *     approval](https://support.google.com/a?p=chat-app-auth) (available in
-     *     [Developer Preview](https://developers.google.com/workspace/preview)).
+     *     approval](https://support.google.com/a?p=chat-app-auth).
      *     When using this authentication scope,
      *     this method returns details about a public message in a space.
      * - [User
@@ -5005,12 +5609,13 @@ public com.google.chat.v1.ThreadReadState getThreadReadState(
      * - [App
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
      * with [administrator
-     * approval](https://support.google.com/a?p=chat-app-auth) in
-     * [Developer Preview](https://developers.google.com/workspace/preview)
-     *  with one of the following authorization scopes:
+     * approval](https://support.google.com/a?p=chat-app-auth)
+     * with one of the following authorization scopes:
      *     - `https://www.googleapis.com/auth/chat.app.spaces`
+     *     - `https://www.googleapis.com/auth/chat.app.spaces.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.memberships`
+     *     - `https://www.googleapis.com/auth/chat.app.memberships.readonly`
      * - [User
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
      * with one of the following authorization scopes:
@@ -5054,12 +5659,13 @@ public com.google.chat.v1.SpaceEvent getSpaceEvent(
      * - [App
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
      * with [administrator
-     * approval](https://support.google.com/a?p=chat-app-auth) in
-     * [Developer Preview](https://developers.google.com/workspace/preview)
-     *  with one of the following authorization scopes:
+     * approval](https://support.google.com/a?p=chat-app-auth)
+     * with one of the following authorization scopes:
      *     - `https://www.googleapis.com/auth/chat.app.spaces`
+     *     - `https://www.googleapis.com/auth/chat.app.spaces.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.memberships`
+     *     - `https://www.googleapis.com/auth/chat.app.memberships.readonly`
      * - [User
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
      * with one of the following authorization scopes:
@@ -5076,52 +5682,199 @@ public com.google.chat.v1.SpaceEvent getSpaceEvent(
      * space](https://developers.google.com/workspace/chat/list-space-events).
      * </pre>
      */
-    public com.google.chat.v1.ListSpaceEventsResponse listSpaceEvents(
-        com.google.chat.v1.ListSpaceEventsRequest request) throws io.grpc.StatusException {
+    public com.google.chat.v1.ListSpaceEventsResponse listSpaceEvents(
+        com.google.chat.v1.ListSpaceEventsRequest request) throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
+          getChannel(), getListSpaceEventsMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Gets the space notification setting. For an example, see [Get the
+     * caller's space notification
+     * setting](https://developers.google.com/workspace/chat/get-space-notification-setting).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.spacesettings`
+     * </pre>
+     */
+    public com.google.chat.v1.SpaceNotificationSetting getSpaceNotificationSetting(
+        com.google.chat.v1.GetSpaceNotificationSettingRequest request)
+        throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
+          getChannel(), getGetSpaceNotificationSettingMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Updates the space notification setting. For an example, see [Update
+     * the caller's space notification
+     * setting](https://developers.google.com/workspace/chat/update-space-notification-setting).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.spacesettings`
+     * </pre>
+     */
+    public com.google.chat.v1.SpaceNotificationSetting updateSpaceNotificationSetting(
+        com.google.chat.v1.UpdateSpaceNotificationSettingRequest request)
+        throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
+          getChannel(), getUpdateSpaceNotificationSettingMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Creates a section in Google Chat. Sections help users group conversations
+     * and customize the list of spaces displayed in Chat navigation panel. Only
+     * sections of type `CUSTOM_SECTION` can be created. For details, see [Create
+     * and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    public com.google.chat.v1.Section createSection(com.google.chat.v1.CreateSectionRequest request)
+        throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
+          getChannel(), getCreateSectionMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Deletes a section of type `CUSTOM_SECTION`.
+     * If the section contains items, such as spaces, the items are moved to
+     * Google Chat's default sections and are not deleted.
+     * For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    public com.google.protobuf.Empty deleteSection(com.google.chat.v1.DeleteSectionRequest request)
+        throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
+          getChannel(), getDeleteSectionMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Updates a section. Only sections of type `CUSTOM_SECTION` can be updated.
+     * For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    public com.google.chat.v1.Section updateSection(com.google.chat.v1.UpdateSectionRequest request)
+        throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
+          getChannel(), getUpdateSectionMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Lists sections available to the Chat user. Sections help users group their
+     * conversations and customize the list of spaces displayed in Chat
+     * navigation panel. For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     *   - `https://www.googleapis.com/auth/chat.users.sections.readonly`
+     * </pre>
+     */
+    public com.google.chat.v1.ListSectionsResponse listSections(
+        com.google.chat.v1.ListSectionsRequest request) throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
+          getChannel(), getListSectionsMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Changes the sort order of a section. For details, see [Create and organize
+     * sections in Google Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    public com.google.chat.v1.PositionSectionResponse positionSection(
+        com.google.chat.v1.PositionSectionRequest request) throws io.grpc.StatusException {
       return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
-          getChannel(), getListSpaceEventsMethod(), getCallOptions(), request);
+          getChannel(), getPositionSectionMethod(), getCallOptions(), request);
     }
 
     /**
      *
      *
      * <pre>
-     * Gets the space notification setting. For an example, see [Get the
-     * caller's space notification
-     * setting](https://developers.google.com/workspace/chat/get-space-notification-setting).
+     * Lists items in a section.
+     * Only spaces can be section items. For details, see [Create and organize
+     * sections in Google Chat](https://support.google.com/chat/answer/16059854).
      * Requires [user
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
      * with the [authorization
      * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
-     *   - `https://www.googleapis.com/auth/chat.users.spacesettings`
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     *   - `https://www.googleapis.com/auth/chat.users.sections.readonly`
      * </pre>
      */
-    public com.google.chat.v1.SpaceNotificationSetting getSpaceNotificationSetting(
-        com.google.chat.v1.GetSpaceNotificationSettingRequest request)
-        throws io.grpc.StatusException {
+    public com.google.chat.v1.ListSectionItemsResponse listSectionItems(
+        com.google.chat.v1.ListSectionItemsRequest request) throws io.grpc.StatusException {
       return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
-          getChannel(), getGetSpaceNotificationSettingMethod(), getCallOptions(), request);
+          getChannel(), getListSectionItemsMethod(), getCallOptions(), request);
     }
 
     /**
      *
      *
      * <pre>
-     * Updates the space notification setting. For an example, see [Update
-     * the caller's space notification
-     * setting](https://developers.google.com/workspace/chat/update-space-notification-setting).
+     * Moves an item from one section to another. For example, if a section
+     * contains spaces, this method can be used to move a space to a different
+     * section. For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
      * Requires [user
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
      * with the [authorization
      * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
-     *   - `https://www.googleapis.com/auth/chat.users.spacesettings`
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
      * </pre>
      */
-    public com.google.chat.v1.SpaceNotificationSetting updateSpaceNotificationSetting(
-        com.google.chat.v1.UpdateSpaceNotificationSettingRequest request)
-        throws io.grpc.StatusException {
+    public com.google.chat.v1.MoveSectionItemResponse moveSectionItem(
+        com.google.chat.v1.MoveSectionItemRequest request) throws io.grpc.StatusException {
       return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
-          getChannel(), getUpdateSpaceNotificationSettingMethod(), getCallOptions(), request);
+          getChannel(), getMoveSectionItemMethod(), getCallOptions(), request);
     }
   }
 
@@ -5209,9 +5962,8 @@ public com.google.chat.v1.Message createMessage(
      * - [App
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
      * with [administrator
-     * approval](https://support.google.com/a?p=chat-app-auth) in
-     * [Developer Preview](https://developers.google.com/workspace/preview)
-     *  with the authorization scope:
+     * approval](https://support.google.com/a?p=chat-app-auth)
+     * with the authorization scope:
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`. When
      *     using this authentication scope, this method only returns public
      *     messages in a space. It doesn't include private messages.
@@ -5325,8 +6077,7 @@ public com.google.chat.v1.Membership getMembership(
      *     that invoke the Chat app.
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`
      *     with [administrator
-     *     approval](https://support.google.com/a?p=chat-app-auth) (available in
-     *     [Developer Preview](https://developers.google.com/workspace/preview)).
+     *     approval](https://support.google.com/a?p=chat-app-auth).
      *     When using this authentication scope,
      *     this method returns details about a public message in a space.
      * - [User
@@ -6156,12 +6907,13 @@ public com.google.chat.v1.ThreadReadState getThreadReadState(
      * - [App
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
      * with [administrator
-     * approval](https://support.google.com/a?p=chat-app-auth) in
-     * [Developer Preview](https://developers.google.com/workspace/preview)
-     *  with one of the following authorization scopes:
+     * approval](https://support.google.com/a?p=chat-app-auth)
+     * with one of the following authorization scopes:
      *     - `https://www.googleapis.com/auth/chat.app.spaces`
+     *     - `https://www.googleapis.com/auth/chat.app.spaces.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.memberships`
+     *     - `https://www.googleapis.com/auth/chat.app.memberships.readonly`
      * - [User
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
      * with one of the following authorization scopes:
@@ -6205,12 +6957,13 @@ public com.google.chat.v1.SpaceEvent getSpaceEvent(
      * - [App
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
      * with [administrator
-     * approval](https://support.google.com/a?p=chat-app-auth) in
-     * [Developer Preview](https://developers.google.com/workspace/preview)
-     *  with one of the following authorization scopes:
+     * approval](https://support.google.com/a?p=chat-app-auth)
+     * with one of the following authorization scopes:
      *     - `https://www.googleapis.com/auth/chat.app.spaces`
+     *     - `https://www.googleapis.com/auth/chat.app.spaces.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.memberships`
+     *     - `https://www.googleapis.com/auth/chat.app.memberships.readonly`
      * - [User
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
      * with one of the following authorization scopes:
@@ -6272,6 +7025,153 @@ public com.google.chat.v1.SpaceNotificationSetting updateSpaceNotificationSettin
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getUpdateSpaceNotificationSettingMethod(), getCallOptions(), request);
     }
+
+    /**
+     *
+     *
+     * <pre>
+     * Creates a section in Google Chat. Sections help users group conversations
+     * and customize the list of spaces displayed in Chat navigation panel. Only
+     * sections of type `CUSTOM_SECTION` can be created. For details, see [Create
+     * and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    public com.google.chat.v1.Section createSection(
+        com.google.chat.v1.CreateSectionRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getCreateSectionMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Deletes a section of type `CUSTOM_SECTION`.
+     * If the section contains items, such as spaces, the items are moved to
+     * Google Chat's default sections and are not deleted.
+     * For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    public com.google.protobuf.Empty deleteSection(
+        com.google.chat.v1.DeleteSectionRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getDeleteSectionMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Updates a section. Only sections of type `CUSTOM_SECTION` can be updated.
+     * For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    public com.google.chat.v1.Section updateSection(
+        com.google.chat.v1.UpdateSectionRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getUpdateSectionMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Lists sections available to the Chat user. Sections help users group their
+     * conversations and customize the list of spaces displayed in Chat
+     * navigation panel. For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     *   - `https://www.googleapis.com/auth/chat.users.sections.readonly`
+     * </pre>
+     */
+    public com.google.chat.v1.ListSectionsResponse listSections(
+        com.google.chat.v1.ListSectionsRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getListSectionsMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Changes the sort order of a section. For details, see [Create and organize
+     * sections in Google Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    public com.google.chat.v1.PositionSectionResponse positionSection(
+        com.google.chat.v1.PositionSectionRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getPositionSectionMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Lists items in a section.
+     * Only spaces can be section items. For details, see [Create and organize
+     * sections in Google Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     *   - `https://www.googleapis.com/auth/chat.users.sections.readonly`
+     * </pre>
+     */
+    public com.google.chat.v1.ListSectionItemsResponse listSectionItems(
+        com.google.chat.v1.ListSectionItemsRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getListSectionItemsMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Moves an item from one section to another. For example, if a section
+     * contains spaces, this method can be used to move a space to a different
+     * section. For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    public com.google.chat.v1.MoveSectionItemResponse moveSectionItem(
+        com.google.chat.v1.MoveSectionItemRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getMoveSectionItemMethod(), getCallOptions(), request);
+    }
   }
 
   /**
@@ -6358,9 +7258,8 @@ protected ChatServiceFutureStub build(
      * - [App
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
      * with [administrator
-     * approval](https://support.google.com/a?p=chat-app-auth) in
-     * [Developer Preview](https://developers.google.com/workspace/preview)
-     *  with the authorization scope:
+     * approval](https://support.google.com/a?p=chat-app-auth)
+     * with the authorization scope:
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`. When
      *     using this authentication scope, this method only returns public
      *     messages in a space. It doesn't include private messages.
@@ -6476,8 +7375,7 @@ protected ChatServiceFutureStub build(
      *     that invoke the Chat app.
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`
      *     with [administrator
-     *     approval](https://support.google.com/a?p=chat-app-auth) (available in
-     *     [Developer Preview](https://developers.google.com/workspace/preview)).
+     *     approval](https://support.google.com/a?p=chat-app-auth).
      *     When using this authentication scope,
      *     this method returns details about a public message in a space.
      * - [User
@@ -7318,12 +8216,13 @@ public com.google.common.util.concurrent.ListenableFuture<com.google.chat.v1.Spa
      * - [App
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
      * with [administrator
-     * approval](https://support.google.com/a?p=chat-app-auth) in
-     * [Developer Preview](https://developers.google.com/workspace/preview)
-     *  with one of the following authorization scopes:
+     * approval](https://support.google.com/a?p=chat-app-auth)
+     * with one of the following authorization scopes:
      *     - `https://www.googleapis.com/auth/chat.app.spaces`
+     *     - `https://www.googleapis.com/auth/chat.app.spaces.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.memberships`
+     *     - `https://www.googleapis.com/auth/chat.app.memberships.readonly`
      * - [User
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
      * with one of the following authorization scopes:
@@ -7367,12 +8266,13 @@ public com.google.common.util.concurrent.ListenableFuture<com.google.chat.v1.Spa
      * - [App
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
      * with [administrator
-     * approval](https://support.google.com/a?p=chat-app-auth) in
-     * [Developer Preview](https://developers.google.com/workspace/preview)
-     *  with one of the following authorization scopes:
+     * approval](https://support.google.com/a?p=chat-app-auth)
+     * with one of the following authorization scopes:
      *     - `https://www.googleapis.com/auth/chat.app.spaces`
+     *     - `https://www.googleapis.com/auth/chat.app.spaces.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.messages.readonly`
      *     - `https://www.googleapis.com/auth/chat.app.memberships`
+     *     - `https://www.googleapis.com/auth/chat.app.memberships.readonly`
      * - [User
      * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
      * with one of the following authorization scopes:
@@ -7439,6 +8339,157 @@ public com.google.common.util.concurrent.ListenableFuture<com.google.chat.v1.Spa
           getChannel().newCall(getUpdateSpaceNotificationSettingMethod(), getCallOptions()),
           request);
     }
+
+    /**
+     *
+     *
+     * <pre>
+     * Creates a section in Google Chat. Sections help users group conversations
+     * and customize the list of spaces displayed in Chat navigation panel. Only
+     * sections of type `CUSTOM_SECTION` can be created. For details, see [Create
+     * and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<com.google.chat.v1.Section>
+        createSection(com.google.chat.v1.CreateSectionRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getCreateSectionMethod(), getCallOptions()), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Deletes a section of type `CUSTOM_SECTION`.
+     * If the section contains items, such as spaces, the items are moved to
+     * Google Chat's default sections and are not deleted.
+     * For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<com.google.protobuf.Empty>
+        deleteSection(com.google.chat.v1.DeleteSectionRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getDeleteSectionMethod(), getCallOptions()), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Updates a section. Only sections of type `CUSTOM_SECTION` can be updated.
+     * For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<com.google.chat.v1.Section>
+        updateSection(com.google.chat.v1.UpdateSectionRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getUpdateSectionMethod(), getCallOptions()), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Lists sections available to the Chat user. Sections help users group their
+     * conversations and customize the list of spaces displayed in Chat
+     * navigation panel. For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     *   - `https://www.googleapis.com/auth/chat.users.sections.readonly`
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<
+            com.google.chat.v1.ListSectionsResponse>
+        listSections(com.google.chat.v1.ListSectionsRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getListSectionsMethod(), getCallOptions()), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Changes the sort order of a section. For details, see [Create and organize
+     * sections in Google Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<
+            com.google.chat.v1.PositionSectionResponse>
+        positionSection(com.google.chat.v1.PositionSectionRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getPositionSectionMethod(), getCallOptions()), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Lists items in a section.
+     * Only spaces can be section items. For details, see [Create and organize
+     * sections in Google Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     *   - `https://www.googleapis.com/auth/chat.users.sections.readonly`
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<
+            com.google.chat.v1.ListSectionItemsResponse>
+        listSectionItems(com.google.chat.v1.ListSectionItemsRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getListSectionItemsMethod(), getCallOptions()), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Moves an item from one section to another. For example, if a section
+     * contains spaces, this method can be used to move a space to a different
+     * section. For details, see [Create and organize sections in Google
+     * Chat](https://support.google.com/chat/answer/16059854).
+     * Requires [user
+     * authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+     * with the [authorization
+     * scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+     *   - `https://www.googleapis.com/auth/chat.users.sections`
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<
+            com.google.chat.v1.MoveSectionItemResponse>
+        moveSectionItem(com.google.chat.v1.MoveSectionItemRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getMoveSectionItemMethod(), getCallOptions()), request);
+    }
   }
 
   private static final int METHODID_CREATE_MESSAGE = 0;
@@ -7476,6 +8527,13 @@ public com.google.common.util.concurrent.ListenableFuture<com.google.chat.v1.Spa
   private static final int METHODID_LIST_SPACE_EVENTS = 32;
   private static final int METHODID_GET_SPACE_NOTIFICATION_SETTING = 33;
   private static final int METHODID_UPDATE_SPACE_NOTIFICATION_SETTING = 34;
+  private static final int METHODID_CREATE_SECTION = 35;
+  private static final int METHODID_DELETE_SECTION = 36;
+  private static final int METHODID_UPDATE_SECTION = 37;
+  private static final int METHODID_LIST_SECTIONS = 38;
+  private static final int METHODID_POSITION_SECTION = 39;
+  private static final int METHODID_LIST_SECTION_ITEMS = 40;
+  private static final int METHODID_MOVE_SECTION_ITEM = 41;
 
   private static final class MethodHandlers<Req, Resp>
       implements io.grpc.stub.ServerCalls.UnaryMethod<Req, Resp>,
@@ -7680,6 +8738,45 @@ public void invoke(Req request, io.grpc.stub.StreamObserver<Resp> responseObserv
               (io.grpc.stub.StreamObserver<com.google.chat.v1.SpaceNotificationSetting>)
                   responseObserver);
           break;
+        case METHODID_CREATE_SECTION:
+          serviceImpl.createSection(
+              (com.google.chat.v1.CreateSectionRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.chat.v1.Section>) responseObserver);
+          break;
+        case METHODID_DELETE_SECTION:
+          serviceImpl.deleteSection(
+              (com.google.chat.v1.DeleteSectionRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.protobuf.Empty>) responseObserver);
+          break;
+        case METHODID_UPDATE_SECTION:
+          serviceImpl.updateSection(
+              (com.google.chat.v1.UpdateSectionRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.chat.v1.Section>) responseObserver);
+          break;
+        case METHODID_LIST_SECTIONS:
+          serviceImpl.listSections(
+              (com.google.chat.v1.ListSectionsRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.chat.v1.ListSectionsResponse>)
+                  responseObserver);
+          break;
+        case METHODID_POSITION_SECTION:
+          serviceImpl.positionSection(
+              (com.google.chat.v1.PositionSectionRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.chat.v1.PositionSectionResponse>)
+                  responseObserver);
+          break;
+        case METHODID_LIST_SECTION_ITEMS:
+          serviceImpl.listSectionItems(
+              (com.google.chat.v1.ListSectionItemsRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.chat.v1.ListSectionItemsResponse>)
+                  responseObserver);
+          break;
+        case METHODID_MOVE_SECTION_ITEM:
+          serviceImpl.moveSectionItem(
+              (com.google.chat.v1.MoveSectionItemRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.chat.v1.MoveSectionItemResponse>)
+                  responseObserver);
+          break;
         default:
           throw new AssertionError();
       }
@@ -7911,6 +9008,51 @@ public static final io.grpc.ServerServiceDefinition bindService(AsyncService ser
                     com.google.chat.v1.UpdateSpaceNotificationSettingRequest,
                     com.google.chat.v1.SpaceNotificationSetting>(
                     service, METHODID_UPDATE_SPACE_NOTIFICATION_SETTING)))
+        .addMethod(
+            getCreateSectionMethod(),
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
+                new MethodHandlers<
+                    com.google.chat.v1.CreateSectionRequest, com.google.chat.v1.Section>(
+                    service, METHODID_CREATE_SECTION)))
+        .addMethod(
+            getDeleteSectionMethod(),
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
+                new MethodHandlers<
+                    com.google.chat.v1.DeleteSectionRequest, com.google.protobuf.Empty>(
+                    service, METHODID_DELETE_SECTION)))
+        .addMethod(
+            getUpdateSectionMethod(),
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
+                new MethodHandlers<
+                    com.google.chat.v1.UpdateSectionRequest, com.google.chat.v1.Section>(
+                    service, METHODID_UPDATE_SECTION)))
+        .addMethod(
+            getListSectionsMethod(),
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
+                new MethodHandlers<
+                    com.google.chat.v1.ListSectionsRequest,
+                    com.google.chat.v1.ListSectionsResponse>(service, METHODID_LIST_SECTIONS)))
+        .addMethod(
+            getPositionSectionMethod(),
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
+                new MethodHandlers<
+                    com.google.chat.v1.PositionSectionRequest,
+                    com.google.chat.v1.PositionSectionResponse>(
+                    service, METHODID_POSITION_SECTION)))
+        .addMethod(
+            getListSectionItemsMethod(),
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
+                new MethodHandlers<
+                    com.google.chat.v1.ListSectionItemsRequest,
+                    com.google.chat.v1.ListSectionItemsResponse>(
+                    service, METHODID_LIST_SECTION_ITEMS)))
+        .addMethod(
+            getMoveSectionItemMethod(),
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
+                new MethodHandlers<
+                    com.google.chat.v1.MoveSectionItemRequest,
+                    com.google.chat.v1.MoveSectionItemResponse>(
+                    service, METHODID_MOVE_SECTION_ITEM)))
         .build();
   }
 
@@ -7997,6 +9139,13 @@ public static io.grpc.ServiceDescriptor getServiceDescriptor() {
                       .addMethod(getListSpaceEventsMethod())
                       .addMethod(getGetSpaceNotificationSettingMethod())
                       .addMethod(getUpdateSpaceNotificationSettingMethod())
+                      .addMethod(getCreateSectionMethod())
+                      .addMethod(getDeleteSectionMethod())
+                      .addMethod(getUpdateSectionMethod())
+                      .addMethod(getListSectionsMethod())
+                      .addMethod(getPositionSectionMethod())
+                      .addMethod(getListSectionItemsMethod())
+                      .addMethod(getMoveSectionItemMethod())
                       .build();
         }
       }
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ChatServiceProto.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ChatServiceProto.java
index 1964b87e5463..2af0aa39dbc3 100644
--- a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ChatServiceProto.java
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ChatServiceProto.java
@@ -53,189 +53,222 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "o\032\027google/api/client.proto\032\037google/chat/"
           + "v1/attachment.proto\032\037google/chat/v1/memb"
           + "ership.proto\032\034google/chat/v1/message.pro"
-          + "to\032\035google/chat/v1/reaction.proto\032\032googl"
-          + "e/chat/v1/space.proto\032 google/chat/v1/sp"
-          + "ace_event.proto\032/google/chat/v1/space_no"
-          + "tification_setting.proto\032%google/chat/v1"
-          + "/space_read_state.proto\032 google/chat/v1/"
-          + "space_setup.proto\032&google/chat/v1/thread"
-          + "_read_state.proto\032\033google/protobuf/empty"
-          + ".proto2\3005\n\013ChatService\022\233\001\n\rCreateMessage"
-          + "\022$.google.chat.v1.CreateMessageRequest\032\027"
-          + ".google.chat.v1.Message\"K\332A\031parent,messa"
-          + "ge,message_id\202\323\344\223\002)\"\036/v1/{parent=spaces/"
-          + "*}/messages:\007message\022\212\001\n\014ListMessages\022#."
-          + "google.chat.v1.ListMessagesRequest\032$.goo"
-          + "gle.chat.v1.ListMessagesResponse\"/\332A\006par"
-          + "ent\202\323\344\223\002 \022\036/v1/{parent=spaces/*}/message"
-          + "s\022\222\001\n\017ListMemberships\022&.google.chat.v1.L"
-          + "istMembershipsRequest\032\'.google.chat.v1.L"
-          + "istMembershipsResponse\".\332A\006parent\202\323\344\223\002\037\022"
-          + "\035/v1/{parent=spaces/*}/members\022\177\n\rGetMem"
-          + "bership\022$.google.chat.v1.GetMembershipRe"
-          + "quest\032\032.google.chat.v1.Membership\",\332A\004na"
-          + "me\202\323\344\223\002\037\022\035/v1/{name=spaces/*/members/*}\022"
-          + "w\n\nGetMessage\022!.google.chat.v1.GetMessag"
-          + "eRequest\032\027.google.chat.v1.Message\"-\332A\004na"
-          + "me\202\323\344\223\002 \022\036/v1/{name=spaces/*/messages/*}"
-          + "\022\321\001\n\rUpdateMessage\022$.google.chat.v1.Upda"
-          + "teMessageRequest\032\027.google.chat.v1.Messag"
-          + "e\"\200\001\332A\023message,update_mask\202\323\344\223\002d\032&/v1/{m"
-          + "essage.name=spaces/*/messages/*}:\007messag"
-          + "eZ12&/v1/{message.name=spaces/*/messages"
-          + "/*}:\007message\022|\n\rDeleteMessage\022$.google.c"
-          + "hat.v1.DeleteMessageRequest\032\026.google.pro"
-          + "tobuf.Empty\"-\332A\004name\202\323\344\223\002 *\036/v1/{name=sp"
-          + "aces/*/messages/*}\022\216\001\n\rGetAttachment\022$.g"
-          + "oogle.chat.v1.GetAttachmentRequest\032\032.goo"
-          + "gle.chat.v1.Attachment\";\332A\004name\202\323\344\223\002.\022,/"
-          + "v1/{name=spaces/*/messages/*/attachments"
-          + "/*}\022\232\001\n\020UploadAttachment\022\'.google.chat.v"
-          + "1.UploadAttachmentRequest\032(.google.chat."
-          + "v1.UploadAttachmentResponse\"3\202\323\344\223\002-\"(/v1"
-          + "/{parent=spaces/*}/attachments:upload:\001*"
-          + "\022j\n\nListSpaces\022!.google.chat.v1.ListSpac"
-          + "esRequest\032\".google.chat.v1.ListSpacesRes"
-          + "ponse\"\025\332A\000\202\323\344\223\002\014\022\n/v1/spaces\022w\n\014SearchSp"
-          + "aces\022#.google.chat.v1.SearchSpacesReques"
-          + "t\032$.google.chat.v1.SearchSpacesResponse\""
-          + "\034\332A\000\202\323\344\223\002\023\022\021/v1/spaces:search\022f\n\010GetSpac"
-          + "e\022\037.google.chat.v1.GetSpaceRequest\032\025.goo"
-          + "gle.chat.v1.Space\"\"\332A\004name\202\323\344\223\002\025\022\023/v1/{n"
-          + "ame=spaces/*}\022k\n\013CreateSpace\022\".google.ch"
-          + "at.v1.CreateSpaceRequest\032\025.google.chat.v"
-          + "1.Space\"!\332A\005space\202\323\344\223\002\023\"\n/v1/spaces:\005spa"
-          + "ce\022c\n\nSetUpSpace\022!.google.chat.v1.SetUpS"
-          + "paceRequest\032\025.google.chat.v1.Space\"\033\202\323\344\223"
-          + "\002\025\"\020/v1/spaces:setup:\001*\022\206\001\n\013UpdateSpace\022"
-          + "\".google.chat.v1.UpdateSpaceRequest\032\025.go"
-          + "ogle.chat.v1.Space\"<\332A\021space,update_mask"
-          + "\202\323\344\223\002\"2\031/v1/{space.name=spaces/*}:\005space"
-          + "\022m\n\013DeleteSpace\022\".google.chat.v1.DeleteS"
-          + "paceRequest\032\026.google.protobuf.Empty\"\"\332A\004"
-          + "name\202\323\344\223\002\025*\023/v1/{name=spaces/*}\022\235\001\n\023Comp"
-          + "leteImportSpace\022*.google.chat.v1.Complet"
-          + "eImportSpaceRequest\032+.google.chat.v1.Com"
-          + "pleteImportSpaceResponse\"-\202\323\344\223\002\'\"\"/v1/{n"
-          + "ame=spaces/*}:completeImport:\001*\022z\n\021FindD"
-          + "irectMessage\022(.google.chat.v1.FindDirect"
-          + "MessageRequest\032\025.google.chat.v1.Space\"$\202"
-          + "\323\344\223\002\036\022\034/v1/spaces:findDirectMessage\022\236\001\n\020"
-          + "CreateMembership\022\'.google.chat.v1.Create"
-          + "MembershipRequest\032\032.google.chat.v1.Membe"
-          + "rship\"E\332A\021parent,membership\202\323\344\223\002+\"\035/v1/{"
-          + "parent=spaces/*}/members:\nmembership\022\256\001\n"
-          + "\020UpdateMembership\022\'.google.chat.v1.Updat"
-          + "eMembershipRequest\032\032.google.chat.v1.Memb"
-          + "ership\"U\332A\026membership,update_mask\202\323\344\223\00262"
-          + "(/v1/{membership.name=spaces/*/members/*"
-          + "}:\nmembership\022\205\001\n\020DeleteMembership\022\'.goo"
-          + "gle.chat.v1.DeleteMembershipRequest\032\032.go"
-          + "ogle.chat.v1.Membership\",\332A\004name\202\323\344\223\002\037*\035"
-          + "/v1/{name=spaces/*/members/*}\022\241\001\n\016Create"
-          + "Reaction\022%.google.chat.v1.CreateReaction"
-          + "Request\032\030.google.chat.v1.Reaction\"N\332A\017pa"
-          + "rent,reaction\202\323\344\223\0026\"*/v1/{parent=spaces/"
-          + "*/messages/*}/reactions:\010reaction\022\231\001\n\rLi"
-          + "stReactions\022$.google.chat.v1.ListReactio"
-          + "nsRequest\032%.google.chat.v1.ListReactions"
-          + "Response\";\332A\006parent\202\323\344\223\002,\022*/v1/{parent=s"
-          + "paces/*/messages/*}/reactions\022\212\001\n\016Delete"
-          + "Reaction\022%.google.chat.v1.DeleteReaction"
-          + "Request\032\026.google.protobuf.Empty\"9\332A\004name"
-          + "\202\323\344\223\002,**/v1/{name=spaces/*/messages/*/re"
-          + "actions/*}\022\221\001\n\021CreateCustomEmoji\022(.googl"
-          + "e.chat.v1.CreateCustomEmojiRequest\032\033.goo"
-          + "gle.chat.v1.CustomEmoji\"5\332A\014custom_emoji"
-          + "\202\323\344\223\002 \"\020/v1/customEmojis:\014custom_emoji\022~"
-          + "\n\016GetCustomEmoji\022%.google.chat.v1.GetCus"
-          + "tomEmojiRequest\032\033.google.chat.v1.CustomE"
-          + "moji\"(\332A\004name\202\323\344\223\002\033\022\031/v1/{name=customEmo"
-          + "jis/*}\022\202\001\n\020ListCustomEmojis\022\'.google.cha"
-          + "t.v1.ListCustomEmojisRequest\032(.google.ch"
-          + "at.v1.ListCustomEmojisResponse\"\033\332A\000\202\323\344\223\002"
-          + "\022\022\020/v1/customEmojis\022\177\n\021DeleteCustomEmoji"
-          + "\022(.google.chat.v1.DeleteCustomEmojiReque"
-          + "st\032\026.google.protobuf.Empty\"(\332A\004name\202\323\344\223\002"
-          + "\033*\031/v1/{name=customEmojis/*}\022\230\001\n\021GetSpac"
-          + "eReadState\022(.google.chat.v1.GetSpaceRead"
-          + "StateRequest\032\036.google.chat.v1.SpaceReadS"
-          + "tate\"9\332A\004name\202\323\344\223\002,\022*/v1/{name=users/*/s"
-          + "paces/*/spaceReadState}\022\331\001\n\024UpdateSpaceR"
-          + "eadState\022+.google.chat.v1.UpdateSpaceRea"
-          + "dStateRequest\032\036.google.chat.v1.SpaceRead"
-          + "State\"t\332A\034space_read_state,update_mask\202\323"
-          + "\344\223\002O2;/v1/{space_read_state.name=users/*"
-          + "/spaces/*/spaceReadState}:\020space_read_st"
-          + "ate\022\246\001\n\022GetThreadReadState\022).google.chat"
-          + ".v1.GetThreadReadStateRequest\032\037.google.c"
-          + "hat.v1.ThreadReadState\"D\332A\004name\202\323\344\223\0027\0225/"
-          + "v1/{name=users/*/spaces/*/threads/*/thre"
-          + "adReadState}\022\203\001\n\rGetSpaceEvent\022$.google."
-          + "chat.v1.GetSpaceEventRequest\032\032.google.ch"
-          + "at.v1.SpaceEvent\"0\332A\004name\202\323\344\223\002#\022!/v1/{na"
-          + "me=spaces/*/spaceEvents/*}\022\235\001\n\017ListSpace"
-          + "Events\022&.google.chat.v1.ListSpaceEventsR"
-          + "equest\032\'.google.chat.v1.ListSpaceEventsR"
-          + "esponse\"9\332A\rparent,filter\202\323\344\223\002#\022!/v1/{pa"
-          + "rent=spaces/*}/spaceEvents\022\300\001\n\033GetSpaceN"
-          + "otificationSetting\0222.google.chat.v1.GetS"
-          + "paceNotificationSettingRequest\032(.google."
-          + "chat.v1.SpaceNotificationSetting\"C\332A\004nam"
-          + "e\202\323\344\223\0026\0224/v1/{name=users/*/spaces/*/spac"
-          + "eNotificationSetting}\022\240\002\n\036UpdateSpaceNot"
-          + "ificationSetting\0225.google.chat.v1.Update"
-          + "SpaceNotificationSettingRequest\032(.google"
-          + ".chat.v1.SpaceNotificationSetting\"\234\001\332A&s"
-          + "pace_notification_setting,update_mask\202\323\344"
-          + "\223\002m2O/v1/{space_notification_setting.nam"
-          + "e=users/*/spaces/*/spaceNotificationSett"
-          + "ing}:\032space_notification_setting\032\326\014\312A\023ch"
-          + "at.googleapis.com\322A\274\014https://www.googlea"
-          + "pis.com/auth/chat.admin.delete,https://w"
-          + "ww.googleapis.com/auth/chat.admin.member"
-          + "ships,https://www.googleapis.com/auth/ch"
-          + "at.admin.memberships.readonly,https://ww"
-          + "w.googleapis.com/auth/chat.admin.spaces,"
+          + "to\032\035google/chat/v1/reaction.proto\032\034googl"
+          + "e/chat/v1/section.proto\032\032google/chat/v1/"
+          + "space.proto\032 google/chat/v1/space_event."
+          + "proto\032/google/chat/v1/space_notification"
+          + "_setting.proto\032%google/chat/v1/space_rea"
+          + "d_state.proto\032 google/chat/v1/space_setu"
+          + "p.proto\032&google/chat/v1/thread_read_stat"
+          + "e.proto\032\033google/protobuf/empty.proto2\314?\n"
+          + "\013ChatService\022\233\001\n\rCreateMessage\022$.google."
+          + "chat.v1.CreateMessageRequest\032\027.google.ch"
+          + "at.v1.Message\"K\332A\031parent,message,message"
+          + "_id\202\323\344\223\002)\"\036/v1/{parent=spaces/*}/message"
+          + "s:\007message\022\212\001\n\014ListMessages\022#.google.cha"
+          + "t.v1.ListMessagesRequest\032$.google.chat.v"
+          + "1.ListMessagesResponse\"/\332A\006parent\202\323\344\223\002 \022"
+          + "\036/v1/{parent=spaces/*}/messages\022\222\001\n\017List"
+          + "Memberships\022&.google.chat.v1.ListMembers"
+          + "hipsRequest\032\'.google.chat.v1.ListMembers"
+          + "hipsResponse\".\332A\006parent\202\323\344\223\002\037\022\035/v1/{pare"
+          + "nt=spaces/*}/members\022\177\n\rGetMembership\022$."
+          + "google.chat.v1.GetMembershipRequest\032\032.go"
+          + "ogle.chat.v1.Membership\",\332A\004name\202\323\344\223\002\037\022\035"
+          + "/v1/{name=spaces/*/members/*}\022w\n\nGetMess"
+          + "age\022!.google.chat.v1.GetMessageRequest\032\027"
+          + ".google.chat.v1.Message\"-\332A\004name\202\323\344\223\002 \022\036"
+          + "/v1/{name=spaces/*/messages/*}\022\321\001\n\rUpdat"
+          + "eMessage\022$.google.chat.v1.UpdateMessageR"
+          + "equest\032\027.google.chat.v1.Message\"\200\001\332A\023mes"
+          + "sage,update_mask\202\323\344\223\002d\032&/v1/{message.nam"
+          + "e=spaces/*/messages/*}:\007messageZ12&/v1/{"
+          + "message.name=spaces/*/messages/*}:\007messa"
+          + "ge\022|\n\rDeleteMessage\022$.google.chat.v1.Del"
+          + "eteMessageRequest\032\026.google.protobuf.Empt"
+          + "y\"-\332A\004name\202\323\344\223\002 *\036/v1/{name=spaces/*/mes"
+          + "sages/*}\022\216\001\n\rGetAttachment\022$.google.chat"
+          + ".v1.GetAttachmentRequest\032\032.google.chat.v"
+          + "1.Attachment\";\332A\004name\202\323\344\223\002.\022,/v1/{name=s"
+          + "paces/*/messages/*/attachments/*}\022\232\001\n\020Up"
+          + "loadAttachment\022\'.google.chat.v1.UploadAt"
+          + "tachmentRequest\032(.google.chat.v1.UploadA"
+          + "ttachmentResponse\"3\202\323\344\223\002-\"(/v1/{parent=s"
+          + "paces/*}/attachments:upload:\001*\022j\n\nListSp"
+          + "aces\022!.google.chat.v1.ListSpacesRequest\032"
+          + "\".google.chat.v1.ListSpacesResponse\"\025\332A\000"
+          + "\202\323\344\223\002\014\022\n/v1/spaces\022w\n\014SearchSpaces\022#.goo"
+          + "gle.chat.v1.SearchSpacesRequest\032$.google"
+          + ".chat.v1.SearchSpacesResponse\"\034\332A\000\202\323\344\223\002\023"
+          + "\022\021/v1/spaces:search\022f\n\010GetSpace\022\037.google"
+          + ".chat.v1.GetSpaceRequest\032\025.google.chat.v"
+          + "1.Space\"\"\332A\004name\202\323\344\223\002\025\022\023/v1/{name=spaces"
+          + "/*}\022k\n\013CreateSpace\022\".google.chat.v1.Crea"
+          + "teSpaceRequest\032\025.google.chat.v1.Space\"!\332"
+          + "A\005space\202\323\344\223\002\023\"\n/v1/spaces:\005space\022c\n\nSetU"
+          + "pSpace\022!.google.chat.v1.SetUpSpaceReques"
+          + "t\032\025.google.chat.v1.Space\"\033\202\323\344\223\002\025\"\020/v1/sp"
+          + "aces:setup:\001*\022\206\001\n\013UpdateSpace\022\".google.c"
+          + "hat.v1.UpdateSpaceRequest\032\025.google.chat."
+          + "v1.Space\"<\332A\021space,update_mask\202\323\344\223\002\"2\031/v"
+          + "1/{space.name=spaces/*}:\005space\022m\n\013Delete"
+          + "Space\022\".google.chat.v1.DeleteSpaceReques"
+          + "t\032\026.google.protobuf.Empty\"\"\332A\004name\202\323\344\223\002\025"
+          + "*\023/v1/{name=spaces/*}\022\235\001\n\023CompleteImport"
+          + "Space\022*.google.chat.v1.CompleteImportSpa"
+          + "ceRequest\032+.google.chat.v1.CompleteImpor"
+          + "tSpaceResponse\"-\202\323\344\223\002\'\"\"/v1/{name=spaces"
+          + "/*}:completeImport:\001*\022z\n\021FindDirectMessa"
+          + "ge\022(.google.chat.v1.FindDirectMessageReq"
+          + "uest\032\025.google.chat.v1.Space\"$\202\323\344\223\002\036\022\034/v1"
+          + "/spaces:findDirectMessage\022\236\001\n\020CreateMemb"
+          + "ership\022\'.google.chat.v1.CreateMembership"
+          + "Request\032\032.google.chat.v1.Membership\"E\332A\021"
+          + "parent,membership\202\323\344\223\002+\"\035/v1/{parent=spa"
+          + "ces/*}/members:\nmembership\022\256\001\n\020UpdateMem"
+          + "bership\022\'.google.chat.v1.UpdateMembershi"
+          + "pRequest\032\032.google.chat.v1.Membership\"U\332A"
+          + "\026membership,update_mask\202\323\344\223\00262(/v1/{memb"
+          + "ership.name=spaces/*/members/*}:\nmembers"
+          + "hip\022\205\001\n\020DeleteMembership\022\'.google.chat.v"
+          + "1.DeleteMembershipRequest\032\032.google.chat."
+          + "v1.Membership\",\332A\004name\202\323\344\223\002\037*\035/v1/{name="
+          + "spaces/*/members/*}\022\241\001\n\016CreateReaction\022%"
+          + ".google.chat.v1.CreateReactionRequest\032\030."
+          + "google.chat.v1.Reaction\"N\332A\017parent,react"
+          + "ion\202\323\344\223\0026\"*/v1/{parent=spaces/*/messages"
+          + "/*}/reactions:\010reaction\022\231\001\n\rListReaction"
+          + "s\022$.google.chat.v1.ListReactionsRequest\032"
+          + "%.google.chat.v1.ListReactionsResponse\";"
+          + "\332A\006parent\202\323\344\223\002,\022*/v1/{parent=spaces/*/me"
+          + "ssages/*}/reactions\022\212\001\n\016DeleteReaction\022%"
+          + ".google.chat.v1.DeleteReactionRequest\032\026."
+          + "google.protobuf.Empty\"9\332A\004name\202\323\344\223\002,**/v"
+          + "1/{name=spaces/*/messages/*/reactions/*}"
+          + "\022\221\001\n\021CreateCustomEmoji\022(.google.chat.v1."
+          + "CreateCustomEmojiRequest\032\033.google.chat.v"
+          + "1.CustomEmoji\"5\332A\014custom_emoji\202\323\344\223\002 \"\020/v"
+          + "1/customEmojis:\014custom_emoji\022~\n\016GetCusto"
+          + "mEmoji\022%.google.chat.v1.GetCustomEmojiRe"
+          + "quest\032\033.google.chat.v1.CustomEmoji\"(\332A\004n"
+          + "ame\202\323\344\223\002\033\022\031/v1/{name=customEmojis/*}\022\202\001\n"
+          + "\020ListCustomEmojis\022\'.google.chat.v1.ListC"
+          + "ustomEmojisRequest\032(.google.chat.v1.List"
+          + "CustomEmojisResponse\"\033\332A\000\202\323\344\223\002\022\022\020/v1/cus"
+          + "tomEmojis\022\177\n\021DeleteCustomEmoji\022(.google."
+          + "chat.v1.DeleteCustomEmojiRequest\032\026.googl"
+          + "e.protobuf.Empty\"(\332A\004name\202\323\344\223\002\033*\031/v1/{na"
+          + "me=customEmojis/*}\022\230\001\n\021GetSpaceReadState"
+          + "\022(.google.chat.v1.GetSpaceReadStateReque"
+          + "st\032\036.google.chat.v1.SpaceReadState\"9\332A\004n"
+          + "ame\202\323\344\223\002,\022*/v1/{name=users/*/spaces/*/sp"
+          + "aceReadState}\022\331\001\n\024UpdateSpaceReadState\022+"
+          + ".google.chat.v1.UpdateSpaceReadStateRequ"
+          + "est\032\036.google.chat.v1.SpaceReadState\"t\332A\034"
+          + "space_read_state,update_mask\202\323\344\223\002O2;/v1/"
+          + "{space_read_state.name=users/*/spaces/*/"
+          + "spaceReadState}:\020space_read_state\022\246\001\n\022Ge"
+          + "tThreadReadState\022).google.chat.v1.GetThr"
+          + "eadReadStateRequest\032\037.google.chat.v1.Thr"
+          + "eadReadState\"D\332A\004name\202\323\344\223\0027\0225/v1/{name=u"
+          + "sers/*/spaces/*/threads/*/threadReadStat"
+          + "e}\022\203\001\n\rGetSpaceEvent\022$.google.chat.v1.Ge"
+          + "tSpaceEventRequest\032\032.google.chat.v1.Spac"
+          + "eEvent\"0\332A\004name\202\323\344\223\002#\022!/v1/{name=spaces/"
+          + "*/spaceEvents/*}\022\235\001\n\017ListSpaceEvents\022&.g"
+          + "oogle.chat.v1.ListSpaceEventsRequest\032\'.g"
+          + "oogle.chat.v1.ListSpaceEventsResponse\"9\332"
+          + "A\rparent,filter\202\323\344\223\002#\022!/v1/{parent=space"
+          + "s/*}/spaceEvents\022\300\001\n\033GetSpaceNotificatio"
+          + "nSetting\0222.google.chat.v1.GetSpaceNotifi"
+          + "cationSettingRequest\032(.google.chat.v1.Sp"
+          + "aceNotificationSetting\"C\332A\004name\202\323\344\223\0026\0224/"
+          + "v1/{name=users/*/spaces/*/spaceNotificat"
+          + "ionSetting}\022\240\002\n\036UpdateSpaceNotificationS"
+          + "etting\0225.google.chat.v1.UpdateSpaceNotif"
+          + "icationSettingRequest\032(.google.chat.v1.S"
+          + "paceNotificationSetting\"\234\001\332A&space_notif"
+          + "ication_setting,update_mask\202\323\344\223\002m2O/v1/{"
+          + "space_notification_setting.name=users/*/"
+          + "spaces/*/spaceNotificationSetting}:\032spac"
+          + "e_notification_setting\022\217\001\n\rCreateSection"
+          + "\022$.google.chat.v1.CreateSectionRequest\032\027"
+          + ".google.chat.v1.Section\"?\332A\016parent,secti"
+          + "on\202\323\344\223\002(\"\035/v1/{parent=users/*}/sections:"
+          + "\007section\022{\n\rDeleteSection\022$.google.chat."
+          + "v1.DeleteSectionRequest\032\026.google.protobu"
+          + "f.Empty\",\332A\004name\202\323\344\223\002\037*\035/v1/{name=users/"
+          + "*/sections/*}\022\234\001\n\rUpdateSection\022$.google"
+          + ".chat.v1.UpdateSectionRequest\032\027.google.c"
+          + "hat.v1.Section\"L\332A\023section,update_mask\202\323"
+          + "\344\223\00202%/v1/{section.name=users/*/sections"
+          + "/*}:\007section\022\211\001\n\014ListSections\022#.google.c"
+          + "hat.v1.ListSectionsRequest\032$.google.chat"
+          + ".v1.ListSectionsResponse\".\332A\006parent\202\323\344\223\002"
+          + "\037\022\035/v1/{parent=users/*}/sections\022\225\001\n\017Pos"
+          + "itionSection\022&.google.chat.v1.PositionSe"
+          + "ctionRequest\032\'.google.chat.v1.PositionSe"
+          + "ctionResponse\"1\202\323\344\223\002+\"&/v1/{name=users/*"
+          + "/sections/*}:position:\001*\022\235\001\n\020ListSection"
+          + "Items\022\'.google.chat.v1.ListSectionItemsR"
+          + "equest\032(.google.chat.v1.ListSectionItems"
+          + "Response\"6\332A\006parent\202\323\344\223\002\'\022%/v1/{parent=u"
+          + "sers/*/sections/*}/items\022\257\001\n\017MoveSection"
+          + "Item\022&.google.chat.v1.MoveSectionItemReq"
+          + "uest\032\'.google.chat.v1.MoveSectionItemRes"
+          + "ponse\"K\332A\023name,target_section\202\323\344\223\002/\"*/v1"
+          + "/{name=users/*/sections/*/items/*}:move:"
+          + "\001*\032\276\016\312A\023chat.googleapis.com\322A\244\016https://w"
+          + "ww.googleapis.com/auth/chat.admin.delete"
+          + ",https://www.googleapis.com/auth/chat.ad"
+          + "min.memberships,https://www.googleapis.c"
+          + "om/auth/chat.admin.memberships.readonly,"
           + "https://www.googleapis.com/auth/chat.adm"
-          + "in.spaces.readonly,https://www.googleapi"
-          + "s.com/auth/chat.app.delete,https://www.g"
-          + "oogleapis.com/auth/chat.app.memberships,"
-          + "https://www.googleapis.com/auth/chat.app"
-          + ".messages.readonly,https://www.googleapi"
-          + "s.com/auth/chat.app.spaces,https://www.g"
-          + "oogleapis.com/auth/chat.app.spaces.creat"
-          + "e,https://www.googleapis.com/auth/chat.b"
-          + "ot,https://www.googleapis.com/auth/chat."
-          + "customemojis,https://www.googleapis.com/"
-          + "auth/chat.customemojis.readonly,https://"
-          + "www.googleapis.com/auth/chat.delete,http"
-          + "s://www.googleapis.com/auth/chat.import,"
-          + "https://www.googleapis.com/auth/chat.mem"
-          + "berships,https://www.googleapis.com/auth"
-          + "/chat.memberships.app,https://www.google"
-          + "apis.com/auth/chat.memberships.readonly,"
-          + "https://www.googleapis.com/auth/chat.mes"
-          + "sages,https://www.googleapis.com/auth/ch"
-          + "at.messages.create,https://www.googleapi"
-          + "s.com/auth/chat.messages.reactions,https"
-          + "://www.googleapis.com/auth/chat.messages"
-          + ".reactions.create,https://www.googleapis"
-          + ".com/auth/chat.messages.reactions.readon"
+          + "in.spaces,https://www.googleapis.com/aut"
+          + "h/chat.admin.spaces.readonly,https://www"
+          + ".googleapis.com/auth/chat.app.delete,htt"
+          + "ps://www.googleapis.com/auth/chat.app.me"
+          + "mberships,https://www.googleapis.com/aut"
+          + "h/chat.app.memberships.readonly,https://"
+          + "www.googleapis.com/auth/chat.app.message"
+          + "s.readonly,https://www.googleapis.com/au"
+          + "th/chat.app.spaces,https://www.googleapi"
+          + "s.com/auth/chat.app.spaces.create,https:"
+          + "//www.googleapis.com/auth/chat.app.space"
+          + "s.readonly,https://www.googleapis.com/au"
+          + "th/chat.bot,https://www.googleapis.com/a"
+          + "uth/chat.customemojis,https://www.google"
+          + "apis.com/auth/chat.customemojis.readonly"
+          + ",https://www.googleapis.com/auth/chat.de"
+          + "lete,https://www.googleapis.com/auth/cha"
+          + "t.import,https://www.googleapis.com/auth"
+          + "/chat.memberships,https://www.googleapis"
+          + ".com/auth/chat.memberships.app,https://w"
+          + "ww.googleapis.com/auth/chat.memberships."
+          + "readonly,https://www.googleapis.com/auth"
+          + "/chat.messages,https://www.googleapis.co"
+          + "m/auth/chat.messages.create,https://www."
+          + "googleapis.com/auth/chat.messages.reacti"
+          + "ons,https://www.googleapis.com/auth/chat"
+          + ".messages.reactions.create,https://www.g"
+          + "oogleapis.com/auth/chat.messages.reactio"
+          + "ns.readonly,https://www.googleapis.com/a"
+          + "uth/chat.messages.readonly,https://www.g"
+          + "oogleapis.com/auth/chat.spaces,https://w"
+          + "ww.googleapis.com/auth/chat.spaces.creat"
+          + "e,https://www.googleapis.com/auth/chat.s"
+          + "paces.readonly,https://www.googleapis.co"
+          + "m/auth/chat.users.readstate,https://www."
+          + "googleapis.com/auth/chat.users.readstate"
+          + ".readonly,https://www.googleapis.com/aut"
+          + "h/chat.users.sections,https://www.google"
+          + "apis.com/auth/chat.users.sections.readon"
           + "ly,https://www.googleapis.com/auth/chat."
-          + "messages.readonly,https://www.googleapis"
-          + ".com/auth/chat.spaces,https://www.google"
-          + "apis.com/auth/chat.spaces.create,https:/"
-          + "/www.googleapis.com/auth/chat.spaces.rea"
-          + "donly,https://www.googleapis.com/auth/ch"
-          + "at.users.readstate,https://www.googleapi"
-          + "s.com/auth/chat.users.readstate.readonly"
-          + ",https://www.googleapis.com/auth/chat.us"
-          + "ers.spacesettingsB\251\001\n\022com.google.chat.v1"
-          + "B\020ChatServiceProtoP\001Z,cloud.google.com/g"
-          + "o/chat/apiv1/chatpb;chatpb\242\002\013DYNAPIProto"
-          + "\252\002\023Google.Apps.Chat.V1\312\002\023Google\\Apps\\Cha"
-          + "t\\V1\352\002\026Google::Apps::Chat::V1b\006proto3"
+          + "users.spacesettingsB\251\001\n\022com.google.chat."
+          + "v1B\020ChatServiceProtoP\001Z,cloud.google.com"
+          + "/go/chat/apiv1/chatpb;chatpb\242\002\013DYNAPIPro"
+          + "to\252\002\023Google.Apps.Chat.V1\312\002\023Google\\Apps\\C"
+          + "hat\\V1\352\002\026Google::Apps::Chat::V1b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -247,6 +280,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.chat.v1.MembershipProto.getDescriptor(),
               com.google.chat.v1.MessageProto.getDescriptor(),
               com.google.chat.v1.ReactionProto.getDescriptor(),
+              com.google.chat.v1.SectionProto.getDescriptor(),
               com.google.chat.v1.SpaceProto.getDescriptor(),
               com.google.chat.v1.SpaceEventProto.getDescriptor(),
               com.google.chat.v1.SpaceNotificationSettingProto.getDescriptor(),
@@ -262,6 +296,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     com.google.chat.v1.MembershipProto.getDescriptor();
     com.google.chat.v1.MessageProto.getDescriptor();
     com.google.chat.v1.ReactionProto.getDescriptor();
+    com.google.chat.v1.SectionProto.getDescriptor();
     com.google.chat.v1.SpaceProto.getDescriptor();
     com.google.chat.v1.SpaceEventProto.getDescriptor();
     com.google.chat.v1.SpaceNotificationSettingProto.getDescriptor();
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/CreateSectionRequest.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/CreateSectionRequest.java
new file mode 100644
index 000000000000..fb1c25d655aa
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/CreateSectionRequest.java
@@ -0,0 +1,905 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Request message for creating a section.
+ * </pre>
+ *
+ * Protobuf type {@code google.chat.v1.CreateSectionRequest}
+ */
+@com.google.protobuf.Generated
+public final class CreateSectionRequest extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.chat.v1.CreateSectionRequest)
+    CreateSectionRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "CreateSectionRequest");
+  }
+
+  // Use CreateSectionRequest.newBuilder() to construct.
+  private CreateSectionRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private CreateSectionRequest() {
+    parent_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_CreateSectionRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_CreateSectionRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.chat.v1.CreateSectionRequest.class,
+            com.google.chat.v1.CreateSectionRequest.Builder.class);
+  }
+
+  private int bitField0_;
+  public static final int PARENT_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object parent_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent resource name where the section is created.
+   *
+   * Format: `users/{user}`
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The parent.
+   */
+  @java.lang.Override
+  public java.lang.String getParent() {
+    java.lang.Object ref = parent_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      parent_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent resource name where the section is created.
+   *
+   * Format: `users/{user}`
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for parent.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getParentBytes() {
+    java.lang.Object ref = parent_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      parent_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int SECTION_FIELD_NUMBER = 2;
+  private com.google.chat.v1.Section section_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The section to create.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section section = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return Whether the section field is set.
+   */
+  @java.lang.Override
+  public boolean hasSection() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The section to create.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section section = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The section.
+   */
+  @java.lang.Override
+  public com.google.chat.v1.Section getSection() {
+    return section_ == null ? com.google.chat.v1.Section.getDefaultInstance() : section_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The section to create.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section section = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   */
+  @java.lang.Override
+  public com.google.chat.v1.SectionOrBuilder getSectionOrBuilder() {
+    return section_ == null ? com.google.chat.v1.Section.getDefaultInstance() : section_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(parent_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, parent_);
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(2, getSection());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(parent_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, parent_);
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getSection());
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.chat.v1.CreateSectionRequest)) {
+      return super.equals(obj);
+    }
+    com.google.chat.v1.CreateSectionRequest other = (com.google.chat.v1.CreateSectionRequest) obj;
+
+    if (!getParent().equals(other.getParent())) return false;
+    if (hasSection() != other.hasSection()) return false;
+    if (hasSection()) {
+      if (!getSection().equals(other.getSection())) return false;
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + PARENT_FIELD_NUMBER;
+    hash = (53 * hash) + getParent().hashCode();
+    if (hasSection()) {
+      hash = (37 * hash) + SECTION_FIELD_NUMBER;
+      hash = (53 * hash) + getSection().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.chat.v1.CreateSectionRequest parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.CreateSectionRequest parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.CreateSectionRequest parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.CreateSectionRequest parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.CreateSectionRequest parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.CreateSectionRequest parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.CreateSectionRequest parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.CreateSectionRequest parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.CreateSectionRequest parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.CreateSectionRequest parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.CreateSectionRequest parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.CreateSectionRequest parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.chat.v1.CreateSectionRequest prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Request message for creating a section.
+   * </pre>
+   *
+   * Protobuf type {@code google.chat.v1.CreateSectionRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.chat.v1.CreateSectionRequest)
+      com.google.chat.v1.CreateSectionRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_CreateSectionRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_CreateSectionRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.chat.v1.CreateSectionRequest.class,
+              com.google.chat.v1.CreateSectionRequest.Builder.class);
+    }
+
+    // Construct using com.google.chat.v1.CreateSectionRequest.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetSectionFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      parent_ = "";
+      section_ = null;
+      if (sectionBuilder_ != null) {
+        sectionBuilder_.dispose();
+        sectionBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_CreateSectionRequest_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.CreateSectionRequest getDefaultInstanceForType() {
+      return com.google.chat.v1.CreateSectionRequest.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.CreateSectionRequest build() {
+      com.google.chat.v1.CreateSectionRequest result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.CreateSectionRequest buildPartial() {
+      com.google.chat.v1.CreateSectionRequest result =
+          new com.google.chat.v1.CreateSectionRequest(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.chat.v1.CreateSectionRequest result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.parent_ = parent_;
+      }
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.section_ = sectionBuilder_ == null ? section_ : sectionBuilder_.build();
+        to_bitField0_ |= 0x00000001;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.chat.v1.CreateSectionRequest) {
+        return mergeFrom((com.google.chat.v1.CreateSectionRequest) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.chat.v1.CreateSectionRequest other) {
+      if (other == com.google.chat.v1.CreateSectionRequest.getDefaultInstance()) return this;
+      if (!other.getParent().isEmpty()) {
+        parent_ = other.parent_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      if (other.hasSection()) {
+        mergeSection(other.getSection());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                parent_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 18:
+              {
+                input.readMessage(internalGetSectionFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object parent_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent resource name where the section is created.
+     *
+     * Format: `users/{user}`
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The parent.
+     */
+    public java.lang.String getParent() {
+      java.lang.Object ref = parent_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        parent_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent resource name where the section is created.
+     *
+     * Format: `users/{user}`
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for parent.
+     */
+    public com.google.protobuf.ByteString getParentBytes() {
+      java.lang.Object ref = parent_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        parent_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent resource name where the section is created.
+     *
+     * Format: `users/{user}`
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The parent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setParent(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      parent_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent resource name where the section is created.
+     *
+     * Format: `users/{user}`
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearParent() {
+      parent_ = getDefaultInstance().getParent();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent resource name where the section is created.
+     *
+     * Format: `users/{user}`
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for parent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setParentBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      parent_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private com.google.chat.v1.Section section_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.chat.v1.Section,
+            com.google.chat.v1.Section.Builder,
+            com.google.chat.v1.SectionOrBuilder>
+        sectionBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The section to create.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return Whether the section field is set.
+     */
+    public boolean hasSection() {
+      return ((bitField0_ & 0x00000002) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The section to create.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The section.
+     */
+    public com.google.chat.v1.Section getSection() {
+      if (sectionBuilder_ == null) {
+        return section_ == null ? com.google.chat.v1.Section.getDefaultInstance() : section_;
+      } else {
+        return sectionBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The section to create.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     */
+    public Builder setSection(com.google.chat.v1.Section value) {
+      if (sectionBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        section_ = value;
+      } else {
+        sectionBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The section to create.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     */
+    public Builder setSection(com.google.chat.v1.Section.Builder builderForValue) {
+      if (sectionBuilder_ == null) {
+        section_ = builderForValue.build();
+      } else {
+        sectionBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The section to create.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     */
+    public Builder mergeSection(com.google.chat.v1.Section value) {
+      if (sectionBuilder_ == null) {
+        if (((bitField0_ & 0x00000002) != 0)
+            && section_ != null
+            && section_ != com.google.chat.v1.Section.getDefaultInstance()) {
+          getSectionBuilder().mergeFrom(value);
+        } else {
+          section_ = value;
+        }
+      } else {
+        sectionBuilder_.mergeFrom(value);
+      }
+      if (section_ != null) {
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The section to create.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     */
+    public Builder clearSection() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      section_ = null;
+      if (sectionBuilder_ != null) {
+        sectionBuilder_.dispose();
+        sectionBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The section to create.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     */
+    public com.google.chat.v1.Section.Builder getSectionBuilder() {
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return internalGetSectionFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The section to create.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     */
+    public com.google.chat.v1.SectionOrBuilder getSectionOrBuilder() {
+      if (sectionBuilder_ != null) {
+        return sectionBuilder_.getMessageOrBuilder();
+      } else {
+        return section_ == null ? com.google.chat.v1.Section.getDefaultInstance() : section_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The section to create.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.chat.v1.Section,
+            com.google.chat.v1.Section.Builder,
+            com.google.chat.v1.SectionOrBuilder>
+        internalGetSectionFieldBuilder() {
+      if (sectionBuilder_ == null) {
+        sectionBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.chat.v1.Section,
+                com.google.chat.v1.Section.Builder,
+                com.google.chat.v1.SectionOrBuilder>(
+                getSection(), getParentForChildren(), isClean());
+        section_ = null;
+      }
+      return sectionBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.chat.v1.CreateSectionRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.chat.v1.CreateSectionRequest)
+  private static final com.google.chat.v1.CreateSectionRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.chat.v1.CreateSectionRequest();
+  }
+
+  public static com.google.chat.v1.CreateSectionRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<CreateSectionRequest> PARSER =
+      new com.google.protobuf.AbstractParser<CreateSectionRequest>() {
+        @java.lang.Override
+        public CreateSectionRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<CreateSectionRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<CreateSectionRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.chat.v1.CreateSectionRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/CreateSectionRequestOrBuilder.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/CreateSectionRequestOrBuilder.java
new file mode 100644
index 000000000000..dbe0d4e26ac8
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/CreateSectionRequestOrBuilder.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+@com.google.protobuf.Generated
+public interface CreateSectionRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.chat.v1.CreateSectionRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent resource name where the section is created.
+   *
+   * Format: `users/{user}`
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The parent.
+   */
+  java.lang.String getParent();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent resource name where the section is created.
+   *
+   * Format: `users/{user}`
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for parent.
+   */
+  com.google.protobuf.ByteString getParentBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The section to create.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section section = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return Whether the section field is set.
+   */
+  boolean hasSection();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The section to create.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section section = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The section.
+   */
+  com.google.chat.v1.Section getSection();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The section to create.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section section = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   */
+  com.google.chat.v1.SectionOrBuilder getSectionOrBuilder();
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/DeleteSectionRequest.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/DeleteSectionRequest.java
new file mode 100644
index 000000000000..fb047c66c8bb
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/DeleteSectionRequest.java
@@ -0,0 +1,624 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Request message for deleting a section.
+ * [Developer Preview](https://developers.google.com/workspace/preview).
+ * </pre>
+ *
+ * Protobuf type {@code google.chat.v1.DeleteSectionRequest}
+ */
+@com.google.protobuf.Generated
+public final class DeleteSectionRequest extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.chat.v1.DeleteSectionRequest)
+    DeleteSectionRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "DeleteSectionRequest");
+  }
+
+  // Use DeleteSectionRequest.newBuilder() to construct.
+  private DeleteSectionRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private DeleteSectionRequest() {
+    name_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_DeleteSectionRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_DeleteSectionRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.chat.v1.DeleteSectionRequest.class,
+            com.google.chat.v1.DeleteSectionRequest.Builder.class);
+  }
+
+  public static final int NAME_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object name_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the section to delete.
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The name.
+   */
+  @java.lang.Override
+  public java.lang.String getName() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      name_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the section to delete.
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for name.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNameBytes() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      name_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, name_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.chat.v1.DeleteSectionRequest)) {
+      return super.equals(obj);
+    }
+    com.google.chat.v1.DeleteSectionRequest other = (com.google.chat.v1.DeleteSectionRequest) obj;
+
+    if (!getName().equals(other.getName())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getName().hashCode();
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.chat.v1.DeleteSectionRequest parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.DeleteSectionRequest parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.DeleteSectionRequest parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.DeleteSectionRequest parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.DeleteSectionRequest parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.DeleteSectionRequest parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.DeleteSectionRequest parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.DeleteSectionRequest parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.DeleteSectionRequest parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.DeleteSectionRequest parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.DeleteSectionRequest parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.DeleteSectionRequest parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.chat.v1.DeleteSectionRequest prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Request message for deleting a section.
+   * [Developer Preview](https://developers.google.com/workspace/preview).
+   * </pre>
+   *
+   * Protobuf type {@code google.chat.v1.DeleteSectionRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.chat.v1.DeleteSectionRequest)
+      com.google.chat.v1.DeleteSectionRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_DeleteSectionRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_DeleteSectionRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.chat.v1.DeleteSectionRequest.class,
+              com.google.chat.v1.DeleteSectionRequest.Builder.class);
+    }
+
+    // Construct using com.google.chat.v1.DeleteSectionRequest.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      name_ = "";
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_DeleteSectionRequest_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.DeleteSectionRequest getDefaultInstanceForType() {
+      return com.google.chat.v1.DeleteSectionRequest.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.DeleteSectionRequest build() {
+      com.google.chat.v1.DeleteSectionRequest result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.DeleteSectionRequest buildPartial() {
+      com.google.chat.v1.DeleteSectionRequest result =
+          new com.google.chat.v1.DeleteSectionRequest(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.chat.v1.DeleteSectionRequest result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.name_ = name_;
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.chat.v1.DeleteSectionRequest) {
+        return mergeFrom((com.google.chat.v1.DeleteSectionRequest) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.chat.v1.DeleteSectionRequest other) {
+      if (other == com.google.chat.v1.DeleteSectionRequest.getDefaultInstance()) return this;
+      if (!other.getName().isEmpty()) {
+        name_ = other.name_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                name_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object name_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the section to delete.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The name.
+     */
+    public java.lang.String getName() {
+      java.lang.Object ref = name_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        name_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the section to delete.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for name.
+     */
+    public com.google.protobuf.ByteString getNameBytes() {
+      java.lang.Object ref = name_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        name_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the section to delete.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      name_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the section to delete.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+      name_ = getDefaultInstance().getName();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the section to delete.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      name_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.chat.v1.DeleteSectionRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.chat.v1.DeleteSectionRequest)
+  private static final com.google.chat.v1.DeleteSectionRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.chat.v1.DeleteSectionRequest();
+  }
+
+  public static com.google.chat.v1.DeleteSectionRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<DeleteSectionRequest> PARSER =
+      new com.google.protobuf.AbstractParser<DeleteSectionRequest>() {
+        @java.lang.Override
+        public DeleteSectionRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<DeleteSectionRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<DeleteSectionRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.chat.v1.DeleteSectionRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/DeleteSectionRequestOrBuilder.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/DeleteSectionRequestOrBuilder.java
new file mode 100644
index 000000000000..8dce10841627
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/DeleteSectionRequestOrBuilder.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+@com.google.protobuf.Generated
+public interface DeleteSectionRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.chat.v1.DeleteSectionRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the section to delete.
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The name.
+   */
+  java.lang.String getName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the section to delete.
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString getNameBytes();
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionItemsRequest.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionItemsRequest.java
new file mode 100644
index 000000000000..d89812d427f8
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionItemsRequest.java
@@ -0,0 +1,1242 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Request message for listing section items.
+ * </pre>
+ *
+ * Protobuf type {@code google.chat.v1.ListSectionItemsRequest}
+ */
+@com.google.protobuf.Generated
+public final class ListSectionItemsRequest extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.chat.v1.ListSectionItemsRequest)
+    ListSectionItemsRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "ListSectionItemsRequest");
+  }
+
+  // Use ListSectionItemsRequest.newBuilder() to construct.
+  private ListSectionItemsRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ListSectionItemsRequest() {
+    parent_ = "";
+    pageToken_ = "";
+    filter_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_ListSectionItemsRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_ListSectionItemsRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.chat.v1.ListSectionItemsRequest.class,
+            com.google.chat.v1.ListSectionItemsRequest.Builder.class);
+  }
+
+  public static final int PARENT_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object parent_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent, which is the section resource name that owns this
+   * collection of section items. Only supports listing section items for the
+   * calling user.
+   *
+   * When you're filtering by space, use the wildcard `-` to search across all
+   * sections. For example, `users/{user}/sections/-`.
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The parent.
+   */
+  @java.lang.Override
+  public java.lang.String getParent() {
+    java.lang.Object ref = parent_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      parent_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent, which is the section resource name that owns this
+   * collection of section items. Only supports listing section items for the
+   * calling user.
+   *
+   * When you're filtering by space, use the wildcard `-` to search across all
+   * sections. For example, `users/{user}/sections/-`.
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for parent.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getParentBytes() {
+    java.lang.Object ref = parent_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      parent_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int PAGE_SIZE_FIELD_NUMBER = 2;
+  private int pageSize_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The maximum number of section items to return. The service may
+   * return fewer than this value.
+   *
+   * If unspecified, at most 10 section items will be returned.
+   *
+   * The maximum value is 100. If you use a value more than 100, it's
+   * automatically changed to 100.
+   *
+   * Negative values return an `INVALID_ARGUMENT` error.
+   * </pre>
+   *
+   * <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The pageSize.
+   */
+  @java.lang.Override
+  public int getPageSize() {
+    return pageSize_;
+  }
+
+  public static final int PAGE_TOKEN_FIELD_NUMBER = 3;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object pageToken_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A page token, received from a previous list section items call.
+   * Provide this to retrieve the subsequent page.
+   *
+   * When paginating, all other parameters provided should match the call that
+   * provided the page token. Passing different values to the other parameters
+   * might lead to unexpected results.
+   * </pre>
+   *
+   * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The pageToken.
+   */
+  @java.lang.Override
+  public java.lang.String getPageToken() {
+    java.lang.Object ref = pageToken_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      pageToken_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A page token, received from a previous list section items call.
+   * Provide this to retrieve the subsequent page.
+   *
+   * When paginating, all other parameters provided should match the call that
+   * provided the page token. Passing different values to the other parameters
+   * might lead to unexpected results.
+   * </pre>
+   *
+   * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for pageToken.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getPageTokenBytes() {
+    java.lang.Object ref = pageToken_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      pageToken_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int FILTER_FIELD_NUMBER = 4;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object filter_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A query filter.
+   *
+   * Currently only supports filtering by space.
+   *
+   * For example, `space = spaces/{space}`.
+   *
+   * Invalid queries are rejected with an `INVALID_ARGUMENT` error.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The filter.
+   */
+  @java.lang.Override
+  public java.lang.String getFilter() {
+    java.lang.Object ref = filter_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      filter_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A query filter.
+   *
+   * Currently only supports filtering by space.
+   *
+   * For example, `space = spaces/{space}`.
+   *
+   * Invalid queries are rejected with an `INVALID_ARGUMENT` error.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for filter.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getFilterBytes() {
+    java.lang.Object ref = filter_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      filter_ = b;
+      return b;
+    } else {
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+  public boolean equals(final java.lang.Object obj) {
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+    }
+    if (!(obj instanceof com.google.chat.v1.ListSectionItemsRequest)) {
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+    hash = (19 * hash) + getDescriptor().hashCode();
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+  public static com.google.chat.v1.ListSectionItemsRequest parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsRequest parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
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+
+  public static com.google.chat.v1.ListSectionItemsRequest parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsRequest parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsRequest parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsRequest parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsRequest parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsRequest parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsRequest parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsRequest parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsRequest parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsRequest parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.chat.v1.ListSectionItemsRequest prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Request message for listing section items.
+   * </pre>
+   *
+   * Protobuf type {@code google.chat.v1.ListSectionItemsRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.chat.v1.ListSectionItemsRequest)
+      com.google.chat.v1.ListSectionItemsRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_ListSectionItemsRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_ListSectionItemsRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.chat.v1.ListSectionItemsRequest.class,
+              com.google.chat.v1.ListSectionItemsRequest.Builder.class);
+    }
+
+    // Construct using com.google.chat.v1.ListSectionItemsRequest.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      parent_ = "";
+      pageSize_ = 0;
+      pageToken_ = "";
+      filter_ = "";
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_ListSectionItemsRequest_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.ListSectionItemsRequest getDefaultInstanceForType() {
+      return com.google.chat.v1.ListSectionItemsRequest.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.ListSectionItemsRequest build() {
+      com.google.chat.v1.ListSectionItemsRequest result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.ListSectionItemsRequest buildPartial() {
+      com.google.chat.v1.ListSectionItemsRequest result =
+          new com.google.chat.v1.ListSectionItemsRequest(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.chat.v1.ListSectionItemsRequest result) {
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+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.chat.v1.ListSectionItemsRequest) {
+        return mergeFrom((com.google.chat.v1.ListSectionItemsRequest) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.chat.v1.ListSectionItemsRequest other) {
+      if (other == com.google.chat.v1.ListSectionItemsRequest.getDefaultInstance()) return this;
+      if (!other.getParent().isEmpty()) {
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+        bitField0_ |= 0x00000001;
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+      if (other.getPageSize() != 0) {
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+    @java.lang.Override
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+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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+      return this;
+    }
+
+    private int bitField0_;
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+    private java.lang.Object parent_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent, which is the section resource name that owns this
+     * collection of section items. Only supports listing section items for the
+     * calling user.
+     *
+     * When you're filtering by space, use the wildcard `-` to search across all
+     * sections. For example, `users/{user}/sections/-`.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
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+     *
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+     */
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+        java.lang.String s = bs.toStringUtf8();
+        parent_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent, which is the section resource name that owns this
+     * collection of section items. Only supports listing section items for the
+     * calling user.
+     *
+     * When you're filtering by space, use the wildcard `-` to search across all
+     * sections. For example, `users/{user}/sections/-`.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for parent.
+     */
+    public com.google.protobuf.ByteString getParentBytes() {
+      java.lang.Object ref = parent_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        parent_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent, which is the section resource name that owns this
+     * collection of section items. Only supports listing section items for the
+     * calling user.
+     *
+     * When you're filtering by space, use the wildcard `-` to search across all
+     * sections. For example, `users/{user}/sections/-`.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The parent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setParent(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      parent_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent, which is the section resource name that owns this
+     * collection of section items. Only supports listing section items for the
+     * calling user.
+     *
+     * When you're filtering by space, use the wildcard `-` to search across all
+     * sections. For example, `users/{user}/sections/-`.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearParent() {
+      parent_ = getDefaultInstance().getParent();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent, which is the section resource name that owns this
+     * collection of section items. Only supports listing section items for the
+     * calling user.
+     *
+     * When you're filtering by space, use the wildcard `-` to search across all
+     * sections. For example, `users/{user}/sections/-`.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for parent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setParentBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      parent_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private int pageSize_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The maximum number of section items to return. The service may
+     * return fewer than this value.
+     *
+     * If unspecified, at most 10 section items will be returned.
+     *
+     * The maximum value is 100. If you use a value more than 100, it's
+     * automatically changed to 100.
+     *
+     * Negative values return an `INVALID_ARGUMENT` error.
+     * </pre>
+     *
+     * <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The pageSize.
+     */
+    @java.lang.Override
+    public int getPageSize() {
+      return pageSize_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The maximum number of section items to return. The service may
+     * return fewer than this value.
+     *
+     * If unspecified, at most 10 section items will be returned.
+     *
+     * The maximum value is 100. If you use a value more than 100, it's
+     * automatically changed to 100.
+     *
+     * Negative values return an `INVALID_ARGUMENT` error.
+     * </pre>
+     *
+     * <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The pageSize to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPageSize(int value) {
+
+      pageSize_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The maximum number of section items to return. The service may
+     * return fewer than this value.
+     *
+     * If unspecified, at most 10 section items will be returned.
+     *
+     * The maximum value is 100. If you use a value more than 100, it's
+     * automatically changed to 100.
+     *
+     * Negative values return an `INVALID_ARGUMENT` error.
+     * </pre>
+     *
+     * <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearPageSize() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      pageSize_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object pageToken_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A page token, received from a previous list section items call.
+     * Provide this to retrieve the subsequent page.
+     *
+     * When paginating, all other parameters provided should match the call that
+     * provided the page token. Passing different values to the other parameters
+     * might lead to unexpected results.
+     * </pre>
+     *
+     * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The pageToken.
+     */
+    public java.lang.String getPageToken() {
+      java.lang.Object ref = pageToken_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        pageToken_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A page token, received from a previous list section items call.
+     * Provide this to retrieve the subsequent page.
+     *
+     * When paginating, all other parameters provided should match the call that
+     * provided the page token. Passing different values to the other parameters
+     * might lead to unexpected results.
+     * </pre>
+     *
+     * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for pageToken.
+     */
+    public com.google.protobuf.ByteString getPageTokenBytes() {
+      java.lang.Object ref = pageToken_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        pageToken_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A page token, received from a previous list section items call.
+     * Provide this to retrieve the subsequent page.
+     *
+     * When paginating, all other parameters provided should match the call that
+     * provided the page token. Passing different values to the other parameters
+     * might lead to unexpected results.
+     * </pre>
+     *
+     * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The pageToken to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPageToken(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      pageToken_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A page token, received from a previous list section items call.
+     * Provide this to retrieve the subsequent page.
+     *
+     * When paginating, all other parameters provided should match the call that
+     * provided the page token. Passing different values to the other parameters
+     * might lead to unexpected results.
+     * </pre>
+     *
+     * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearPageToken() {
+      pageToken_ = getDefaultInstance().getPageToken();
+      bitField0_ = (bitField0_ & ~0x00000004);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A page token, received from a previous list section items call.
+     * Provide this to retrieve the subsequent page.
+     *
+     * When paginating, all other parameters provided should match the call that
+     * provided the page token. Passing different values to the other parameters
+     * might lead to unexpected results.
+     * </pre>
+     *
+     * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for pageToken to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPageTokenBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      pageToken_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object filter_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A query filter.
+     *
+     * Currently only supports filtering by space.
+     *
+     * For example, `space = spaces/{space}`.
+     *
+     * Invalid queries are rejected with an `INVALID_ARGUMENT` error.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The filter.
+     */
+    public java.lang.String getFilter() {
+      java.lang.Object ref = filter_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        filter_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A query filter.
+     *
+     * Currently only supports filtering by space.
+     *
+     * For example, `space = spaces/{space}`.
+     *
+     * Invalid queries are rejected with an `INVALID_ARGUMENT` error.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for filter.
+     */
+    public com.google.protobuf.ByteString getFilterBytes() {
+      java.lang.Object ref = filter_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        filter_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A query filter.
+     *
+     * Currently only supports filtering by space.
+     *
+     * For example, `space = spaces/{space}`.
+     *
+     * Invalid queries are rejected with an `INVALID_ARGUMENT` error.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The filter to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFilter(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      filter_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A query filter.
+     *
+     * Currently only supports filtering by space.
+     *
+     * For example, `space = spaces/{space}`.
+     *
+     * Invalid queries are rejected with an `INVALID_ARGUMENT` error.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearFilter() {
+      filter_ = getDefaultInstance().getFilter();
+      bitField0_ = (bitField0_ & ~0x00000008);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A query filter.
+     *
+     * Currently only supports filtering by space.
+     *
+     * For example, `space = spaces/{space}`.
+     *
+     * Invalid queries are rejected with an `INVALID_ARGUMENT` error.
+     * </pre>
+     *
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for filter to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFilterBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      filter_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.chat.v1.ListSectionItemsRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.chat.v1.ListSectionItemsRequest)
+  private static final com.google.chat.v1.ListSectionItemsRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.chat.v1.ListSectionItemsRequest();
+  }
+
+  public static com.google.chat.v1.ListSectionItemsRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ListSectionItemsRequest> PARSER =
+      new com.google.protobuf.AbstractParser<ListSectionItemsRequest>() {
+        @java.lang.Override
+        public ListSectionItemsRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<ListSectionItemsRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ListSectionItemsRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.chat.v1.ListSectionItemsRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionItemsRequestOrBuilder.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionItemsRequestOrBuilder.java
new file mode 100644
index 000000000000..8f1b2b011c7c
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionItemsRequestOrBuilder.java
@@ -0,0 +1,167 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+@com.google.protobuf.Generated
+public interface ListSectionItemsRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.chat.v1.ListSectionItemsRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent, which is the section resource name that owns this
+   * collection of section items. Only supports listing section items for the
+   * calling user.
+   *
+   * When you're filtering by space, use the wildcard `-` to search across all
+   * sections. For example, `users/{user}/sections/-`.
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The parent.
+   */
+  java.lang.String getParent();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent, which is the section resource name that owns this
+   * collection of section items. Only supports listing section items for the
+   * calling user.
+   *
+   * When you're filtering by space, use the wildcard `-` to search across all
+   * sections. For example, `users/{user}/sections/-`.
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for parent.
+   */
+  com.google.protobuf.ByteString getParentBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The maximum number of section items to return. The service may
+   * return fewer than this value.
+   *
+   * If unspecified, at most 10 section items will be returned.
+   *
+   * The maximum value is 100. If you use a value more than 100, it's
+   * automatically changed to 100.
+   *
+   * Negative values return an `INVALID_ARGUMENT` error.
+   * </pre>
+   *
+   * <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The pageSize.
+   */
+  int getPageSize();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A page token, received from a previous list section items call.
+   * Provide this to retrieve the subsequent page.
+   *
+   * When paginating, all other parameters provided should match the call that
+   * provided the page token. Passing different values to the other parameters
+   * might lead to unexpected results.
+   * </pre>
+   *
+   * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The pageToken.
+   */
+  java.lang.String getPageToken();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A page token, received from a previous list section items call.
+   * Provide this to retrieve the subsequent page.
+   *
+   * When paginating, all other parameters provided should match the call that
+   * provided the page token. Passing different values to the other parameters
+   * might lead to unexpected results.
+   * </pre>
+   *
+   * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for pageToken.
+   */
+  com.google.protobuf.ByteString getPageTokenBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A query filter.
+   *
+   * Currently only supports filtering by space.
+   *
+   * For example, `space = spaces/{space}`.
+   *
+   * Invalid queries are rejected with an `INVALID_ARGUMENT` error.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The filter.
+   */
+  java.lang.String getFilter();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A query filter.
+   *
+   * Currently only supports filtering by space.
+   *
+   * For example, `space = spaces/{space}`.
+   *
+   * Invalid queries are rejected with an `INVALID_ARGUMENT` error.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for filter.
+   */
+  com.google.protobuf.ByteString getFilterBytes();
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionItemsResponse.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionItemsResponse.java
new file mode 100644
index 000000000000..a7515c37dad3
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionItemsResponse.java
@@ -0,0 +1,1114 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Response message for listing section items.
+ * </pre>
+ *
+ * Protobuf type {@code google.chat.v1.ListSectionItemsResponse}
+ */
+@com.google.protobuf.Generated
+public final class ListSectionItemsResponse extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.chat.v1.ListSectionItemsResponse)
+    ListSectionItemsResponseOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "ListSectionItemsResponse");
+  }
+
+  // Use ListSectionItemsResponse.newBuilder() to construct.
+  private ListSectionItemsResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ListSectionItemsResponse() {
+    sectionItems_ = java.util.Collections.emptyList();
+    nextPageToken_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_ListSectionItemsResponse_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_ListSectionItemsResponse_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.chat.v1.ListSectionItemsResponse.class,
+            com.google.chat.v1.ListSectionItemsResponse.Builder.class);
+  }
+
+  public static final int SECTION_ITEMS_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.chat.v1.SectionItem> sectionItems_;
+
+  /**
+   *
+   *
+   * <pre>
+   * The section items from the specified section.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.chat.v1.SectionItem> getSectionItemsList() {
+    return sectionItems_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The section items from the specified section.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.chat.v1.SectionItemOrBuilder>
+      getSectionItemsOrBuilderList() {
+    return sectionItems_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The section items from the specified section.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+   */
+  @java.lang.Override
+  public int getSectionItemsCount() {
+    return sectionItems_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The section items from the specified section.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.chat.v1.SectionItem getSectionItems(int index) {
+    return sectionItems_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The section items from the specified section.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.chat.v1.SectionItemOrBuilder getSectionItemsOrBuilder(int index) {
+    return sectionItems_.get(index);
+  }
+
+  public static final int NEXT_PAGE_TOKEN_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object nextPageToken_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * A token, which can be sent as `page_token` to retrieve the next page. If
+   * this field is omitted, there are no subsequent pages.
+   * </pre>
+   *
+   * <code>string next_page_token = 2;</code>
+   *
+   * @return The nextPageToken.
+   */
+  @java.lang.Override
+  public java.lang.String getNextPageToken() {
+    java.lang.Object ref = nextPageToken_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      nextPageToken_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * A token, which can be sent as `page_token` to retrieve the next page. If
+   * this field is omitted, there are no subsequent pages.
+   * </pre>
+   *
+   * <code>string next_page_token = 2;</code>
+   *
+   * @return The bytes for nextPageToken.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNextPageTokenBytes() {
+    java.lang.Object ref = nextPageToken_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      nextPageToken_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    for (int i = 0; i < sectionItems_.size(); i++) {
+      output.writeMessage(1, sectionItems_.get(i));
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(nextPageToken_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, nextPageToken_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    for (int i = 0; i < sectionItems_.size(); i++) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, sectionItems_.get(i));
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(nextPageToken_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, nextPageToken_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.chat.v1.ListSectionItemsResponse)) {
+      return super.equals(obj);
+    }
+    com.google.chat.v1.ListSectionItemsResponse other =
+        (com.google.chat.v1.ListSectionItemsResponse) obj;
+
+    if (!getSectionItemsList().equals(other.getSectionItemsList())) return false;
+    if (!getNextPageToken().equals(other.getNextPageToken())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (getSectionItemsCount() > 0) {
+      hash = (37 * hash) + SECTION_ITEMS_FIELD_NUMBER;
+      hash = (53 * hash) + getSectionItemsList().hashCode();
+    }
+    hash = (37 * hash) + NEXT_PAGE_TOKEN_FIELD_NUMBER;
+    hash = (53 * hash) + getNextPageToken().hashCode();
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.chat.v1.ListSectionItemsResponse parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsResponse parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsResponse parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsResponse parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsResponse parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsResponse parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsResponse parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsResponse parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsResponse parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsResponse parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsResponse parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.ListSectionItemsResponse parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.chat.v1.ListSectionItemsResponse prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Response message for listing section items.
+   * </pre>
+   *
+   * Protobuf type {@code google.chat.v1.ListSectionItemsResponse}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.chat.v1.ListSectionItemsResponse)
+      com.google.chat.v1.ListSectionItemsResponseOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_ListSectionItemsResponse_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_ListSectionItemsResponse_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.chat.v1.ListSectionItemsResponse.class,
+              com.google.chat.v1.ListSectionItemsResponse.Builder.class);
+    }
+
+    // Construct using com.google.chat.v1.ListSectionItemsResponse.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (sectionItemsBuilder_ == null) {
+        sectionItems_ = java.util.Collections.emptyList();
+      } else {
+        sectionItems_ = null;
+        sectionItemsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00000001);
+      nextPageToken_ = "";
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_ListSectionItemsResponse_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.ListSectionItemsResponse getDefaultInstanceForType() {
+      return com.google.chat.v1.ListSectionItemsResponse.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.ListSectionItemsResponse build() {
+      com.google.chat.v1.ListSectionItemsResponse result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.ListSectionItemsResponse buildPartial() {
+      com.google.chat.v1.ListSectionItemsResponse result =
+          new com.google.chat.v1.ListSectionItemsResponse(this);
+      buildPartialRepeatedFields(result);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartialRepeatedFields(com.google.chat.v1.ListSectionItemsResponse result) {
+      if (sectionItemsBuilder_ == null) {
+        if (((bitField0_ & 0x00000001) != 0)) {
+          sectionItems_ = java.util.Collections.unmodifiableList(sectionItems_);
+          bitField0_ = (bitField0_ & ~0x00000001);
+        }
+        result.sectionItems_ = sectionItems_;
+      } else {
+        result.sectionItems_ = sectionItemsBuilder_.build();
+      }
+    }
+
+    private void buildPartial0(com.google.chat.v1.ListSectionItemsResponse result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.nextPageToken_ = nextPageToken_;
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.chat.v1.ListSectionItemsResponse) {
+        return mergeFrom((com.google.chat.v1.ListSectionItemsResponse) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.chat.v1.ListSectionItemsResponse other) {
+      if (other == com.google.chat.v1.ListSectionItemsResponse.getDefaultInstance()) return this;
+      if (sectionItemsBuilder_ == null) {
+        if (!other.sectionItems_.isEmpty()) {
+          if (sectionItems_.isEmpty()) {
+            sectionItems_ = other.sectionItems_;
+            bitField0_ = (bitField0_ & ~0x00000001);
+          } else {
+            ensureSectionItemsIsMutable();
+            sectionItems_.addAll(other.sectionItems_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.sectionItems_.isEmpty()) {
+          if (sectionItemsBuilder_.isEmpty()) {
+            sectionItemsBuilder_.dispose();
+            sectionItemsBuilder_ = null;
+            sectionItems_ = other.sectionItems_;
+            bitField0_ = (bitField0_ & ~0x00000001);
+            sectionItemsBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetSectionItemsFieldBuilder()
+                    : null;
+          } else {
+            sectionItemsBuilder_.addAllMessages(other.sectionItems_);
+          }
+        }
+      }
+      if (!other.getNextPageToken().isEmpty()) {
+        nextPageToken_ = other.nextPageToken_;
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                com.google.chat.v1.SectionItem m =
+                    input.readMessage(com.google.chat.v1.SectionItem.parser(), extensionRegistry);
+                if (sectionItemsBuilder_ == null) {
+                  ensureSectionItemsIsMutable();
+                  sectionItems_.add(m);
+                } else {
+                  sectionItemsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 10
+            case 18:
+              {
+                nextPageToken_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.util.List<com.google.chat.v1.SectionItem> sectionItems_ =
+        java.util.Collections.emptyList();
+
+    private void ensureSectionItemsIsMutable() {
+      if (!((bitField0_ & 0x00000001) != 0)) {
+        sectionItems_ = new java.util.ArrayList<com.google.chat.v1.SectionItem>(sectionItems_);
+        bitField0_ |= 0x00000001;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.chat.v1.SectionItem,
+            com.google.chat.v1.SectionItem.Builder,
+            com.google.chat.v1.SectionItemOrBuilder>
+        sectionItemsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The section items from the specified section.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+     */
+    public java.util.List<com.google.chat.v1.SectionItem> getSectionItemsList() {
+      if (sectionItemsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(sectionItems_);
+      } else {
+        return sectionItemsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The section items from the specified section.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+     */
+    public int getSectionItemsCount() {
+      if (sectionItemsBuilder_ == null) {
+        return sectionItems_.size();
+      } else {
+        return sectionItemsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The section items from the specified section.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+     */
+    public com.google.chat.v1.SectionItem getSectionItems(int index) {
+      if (sectionItemsBuilder_ == null) {
+        return sectionItems_.get(index);
+      } else {
+        return sectionItemsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The section items from the specified section.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+     */
+    public Builder setSectionItems(int index, com.google.chat.v1.SectionItem value) {
+      if (sectionItemsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureSectionItemsIsMutable();
+        sectionItems_.set(index, value);
+        onChanged();
+      } else {
+        sectionItemsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The section items from the specified section.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+     */
+    public Builder setSectionItems(
+        int index, com.google.chat.v1.SectionItem.Builder builderForValue) {
+      if (sectionItemsBuilder_ == null) {
+        ensureSectionItemsIsMutable();
+        sectionItems_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        sectionItemsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The section items from the specified section.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+     */
+    public Builder addSectionItems(com.google.chat.v1.SectionItem value) {
+      if (sectionItemsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureSectionItemsIsMutable();
+        sectionItems_.add(value);
+        onChanged();
+      } else {
+        sectionItemsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The section items from the specified section.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+     */
+    public Builder addSectionItems(int index, com.google.chat.v1.SectionItem value) {
+      if (sectionItemsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureSectionItemsIsMutable();
+        sectionItems_.add(index, value);
+        onChanged();
+      } else {
+        sectionItemsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The section items from the specified section.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+     */
+    public Builder addSectionItems(com.google.chat.v1.SectionItem.Builder builderForValue) {
+      if (sectionItemsBuilder_ == null) {
+        ensureSectionItemsIsMutable();
+        sectionItems_.add(builderForValue.build());
+        onChanged();
+      } else {
+        sectionItemsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The section items from the specified section.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+     */
+    public Builder addSectionItems(
+        int index, com.google.chat.v1.SectionItem.Builder builderForValue) {
+      if (sectionItemsBuilder_ == null) {
+        ensureSectionItemsIsMutable();
+        sectionItems_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        sectionItemsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The section items from the specified section.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+     */
+    public Builder addAllSectionItems(
+        java.lang.Iterable<? extends com.google.chat.v1.SectionItem> values) {
+      if (sectionItemsBuilder_ == null) {
+        ensureSectionItemsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, sectionItems_);
+        onChanged();
+      } else {
+        sectionItemsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The section items from the specified section.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+     */
+    public Builder clearSectionItems() {
+      if (sectionItemsBuilder_ == null) {
+        sectionItems_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+      } else {
+        sectionItemsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The section items from the specified section.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+     */
+    public Builder removeSectionItems(int index) {
+      if (sectionItemsBuilder_ == null) {
+        ensureSectionItemsIsMutable();
+        sectionItems_.remove(index);
+        onChanged();
+      } else {
+        sectionItemsBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The section items from the specified section.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+     */
+    public com.google.chat.v1.SectionItem.Builder getSectionItemsBuilder(int index) {
+      return internalGetSectionItemsFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The section items from the specified section.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+     */
+    public com.google.chat.v1.SectionItemOrBuilder getSectionItemsOrBuilder(int index) {
+      if (sectionItemsBuilder_ == null) {
+        return sectionItems_.get(index);
+      } else {
+        return sectionItemsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The section items from the specified section.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+     */
+    public java.util.List<? extends com.google.chat.v1.SectionItemOrBuilder>
+        getSectionItemsOrBuilderList() {
+      if (sectionItemsBuilder_ != null) {
+        return sectionItemsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(sectionItems_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The section items from the specified section.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+     */
+    public com.google.chat.v1.SectionItem.Builder addSectionItemsBuilder() {
+      return internalGetSectionItemsFieldBuilder()
+          .addBuilder(com.google.chat.v1.SectionItem.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The section items from the specified section.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+     */
+    public com.google.chat.v1.SectionItem.Builder addSectionItemsBuilder(int index) {
+      return internalGetSectionItemsFieldBuilder()
+          .addBuilder(index, com.google.chat.v1.SectionItem.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The section items from the specified section.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+     */
+    public java.util.List<com.google.chat.v1.SectionItem.Builder> getSectionItemsBuilderList() {
+      return internalGetSectionItemsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.chat.v1.SectionItem,
+            com.google.chat.v1.SectionItem.Builder,
+            com.google.chat.v1.SectionItemOrBuilder>
+        internalGetSectionItemsFieldBuilder() {
+      if (sectionItemsBuilder_ == null) {
+        sectionItemsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.chat.v1.SectionItem,
+                com.google.chat.v1.SectionItem.Builder,
+                com.google.chat.v1.SectionItemOrBuilder>(
+                sectionItems_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
+        sectionItems_ = null;
+      }
+      return sectionItemsBuilder_;
+    }
+
+    private java.lang.Object nextPageToken_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * A token, which can be sent as `page_token` to retrieve the next page. If
+     * this field is omitted, there are no subsequent pages.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @return The nextPageToken.
+     */
+    public java.lang.String getNextPageToken() {
+      java.lang.Object ref = nextPageToken_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        nextPageToken_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * A token, which can be sent as `page_token` to retrieve the next page. If
+     * this field is omitted, there are no subsequent pages.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @return The bytes for nextPageToken.
+     */
+    public com.google.protobuf.ByteString getNextPageTokenBytes() {
+      java.lang.Object ref = nextPageToken_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        nextPageToken_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * A token, which can be sent as `page_token` to retrieve the next page. If
+     * this field is omitted, there are no subsequent pages.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @param value The nextPageToken to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNextPageToken(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      nextPageToken_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * A token, which can be sent as `page_token` to retrieve the next page. If
+     * this field is omitted, there are no subsequent pages.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearNextPageToken() {
+      nextPageToken_ = getDefaultInstance().getNextPageToken();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * A token, which can be sent as `page_token` to retrieve the next page. If
+     * this field is omitted, there are no subsequent pages.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @param value The bytes for nextPageToken to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNextPageTokenBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      nextPageToken_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.chat.v1.ListSectionItemsResponse)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.chat.v1.ListSectionItemsResponse)
+  private static final com.google.chat.v1.ListSectionItemsResponse DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.chat.v1.ListSectionItemsResponse();
+  }
+
+  public static com.google.chat.v1.ListSectionItemsResponse getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ListSectionItemsResponse> PARSER =
+      new com.google.protobuf.AbstractParser<ListSectionItemsResponse>() {
+        @java.lang.Override
+        public ListSectionItemsResponse parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<ListSectionItemsResponse> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ListSectionItemsResponse> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.chat.v1.ListSectionItemsResponse getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionItemsResponseOrBuilder.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionItemsResponseOrBuilder.java
new file mode 100644
index 000000000000..f94f031c89ff
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionItemsResponseOrBuilder.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+@com.google.protobuf.Generated
+public interface ListSectionItemsResponseOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.chat.v1.ListSectionItemsResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The section items from the specified section.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+   */
+  java.util.List<com.google.chat.v1.SectionItem> getSectionItemsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * The section items from the specified section.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+   */
+  com.google.chat.v1.SectionItem getSectionItems(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * The section items from the specified section.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+   */
+  int getSectionItemsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * The section items from the specified section.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+   */
+  java.util.List<? extends com.google.chat.v1.SectionItemOrBuilder> getSectionItemsOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * The section items from the specified section.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.SectionItem section_items = 1;</code>
+   */
+  com.google.chat.v1.SectionItemOrBuilder getSectionItemsOrBuilder(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * A token, which can be sent as `page_token` to retrieve the next page. If
+   * this field is omitted, there are no subsequent pages.
+   * </pre>
+   *
+   * <code>string next_page_token = 2;</code>
+   *
+   * @return The nextPageToken.
+   */
+  java.lang.String getNextPageToken();
+
+  /**
+   *
+   *
+   * <pre>
+   * A token, which can be sent as `page_token` to retrieve the next page. If
+   * this field is omitted, there are no subsequent pages.
+   * </pre>
+   *
+   * <code>string next_page_token = 2;</code>
+   *
+   * @return The bytes for nextPageToken.
+   */
+  com.google.protobuf.ByteString getNextPageTokenBytes();
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionsRequest.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionsRequest.java
new file mode 100644
index 000000000000..9cb5b1769335
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionsRequest.java
@@ -0,0 +1,1031 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Request message for listing sections.
+ * </pre>
+ *
+ * Protobuf type {@code google.chat.v1.ListSectionsRequest}
+ */
+@com.google.protobuf.Generated
+public final class ListSectionsRequest extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.chat.v1.ListSectionsRequest)
+    ListSectionsRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "ListSectionsRequest");
+  }
+
+  // Use ListSectionsRequest.newBuilder() to construct.
+  private ListSectionsRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ListSectionsRequest() {
+    parent_ = "";
+    pageToken_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_ListSectionsRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_ListSectionsRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.chat.v1.ListSectionsRequest.class,
+            com.google.chat.v1.ListSectionsRequest.Builder.class);
+  }
+
+  public static final int PARENT_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object parent_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent, which is the user resource name that owns this
+   * collection of sections. Only supports listing sections for the calling
+   * user. To refer to the calling user, set one of the following:
+   *
+   * - The `me` alias. For example, `users/me`.
+   *
+   * - Their Workspace email address. For example, `users/user&#64;example.com`.
+   *
+   * - Their user id. For example, `users/123456789`.
+   *
+   * Format: `users/{user}`
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The parent.
+   */
+  @java.lang.Override
+  public java.lang.String getParent() {
+    java.lang.Object ref = parent_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      parent_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent, which is the user resource name that owns this
+   * collection of sections. Only supports listing sections for the calling
+   * user. To refer to the calling user, set one of the following:
+   *
+   * - The `me` alias. For example, `users/me`.
+   *
+   * - Their Workspace email address. For example, `users/user&#64;example.com`.
+   *
+   * - Their user id. For example, `users/123456789`.
+   *
+   * Format: `users/{user}`
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for parent.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getParentBytes() {
+    java.lang.Object ref = parent_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      parent_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int PAGE_SIZE_FIELD_NUMBER = 2;
+  private int pageSize_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The maximum number of sections to return. The service may return
+   * fewer than this value.
+   *
+   * If unspecified, at most 10 sections will be returned.
+   *
+   * The maximum value is 100. If you use a value more than 100, it's
+   * automatically changed to 100.
+   *
+   * Negative values return an `INVALID_ARGUMENT` error.
+   * </pre>
+   *
+   * <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The pageSize.
+   */
+  @java.lang.Override
+  public int getPageSize() {
+    return pageSize_;
+  }
+
+  public static final int PAGE_TOKEN_FIELD_NUMBER = 3;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object pageToken_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A page token, received from a previous list sections call.
+   * Provide this to retrieve the subsequent page.
+   *
+   * When paginating, all other parameters provided should match the call that
+   * provided the page token. Passing different values to the other parameters
+   * might lead to unexpected results.
+   * </pre>
+   *
+   * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The pageToken.
+   */
+  @java.lang.Override
+  public java.lang.String getPageToken() {
+    java.lang.Object ref = pageToken_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      pageToken_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A page token, received from a previous list sections call.
+   * Provide this to retrieve the subsequent page.
+   *
+   * When paginating, all other parameters provided should match the call that
+   * provided the page token. Passing different values to the other parameters
+   * might lead to unexpected results.
+   * </pre>
+   *
+   * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for pageToken.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getPageTokenBytes() {
+    java.lang.Object ref = pageToken_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      pageToken_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(parent_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, parent_);
+    }
+    if (pageSize_ != 0) {
+      output.writeInt32(2, pageSize_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(pageToken_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, pageToken_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(parent_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, parent_);
+    }
+    if (pageSize_ != 0) {
+      size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, pageSize_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(pageToken_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(3, pageToken_);
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+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.chat.v1.ListSectionsRequest)) {
+      return super.equals(obj);
+    }
+    com.google.chat.v1.ListSectionsRequest other = (com.google.chat.v1.ListSectionsRequest) obj;
+
+    if (!getParent().equals(other.getParent())) return false;
+    if (getPageSize() != other.getPageSize()) return false;
+    if (!getPageToken().equals(other.getPageToken())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + PARENT_FIELD_NUMBER;
+    hash = (53 * hash) + getParent().hashCode();
+    hash = (37 * hash) + PAGE_SIZE_FIELD_NUMBER;
+    hash = (53 * hash) + getPageSize();
+    hash = (37 * hash) + PAGE_TOKEN_FIELD_NUMBER;
+    hash = (53 * hash) + getPageToken().hashCode();
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.chat.v1.ListSectionsRequest parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.ListSectionsRequest parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.ListSectionsRequest parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.ListSectionsRequest parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.ListSectionsRequest parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.ListSectionsRequest parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.ListSectionsRequest parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.ListSectionsRequest parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.ListSectionsRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.ListSectionsRequest parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.ListSectionsRequest parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.ListSectionsRequest parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.chat.v1.ListSectionsRequest prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Request message for listing sections.
+   * </pre>
+   *
+   * Protobuf type {@code google.chat.v1.ListSectionsRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.chat.v1.ListSectionsRequest)
+      com.google.chat.v1.ListSectionsRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_ListSectionsRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_ListSectionsRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.chat.v1.ListSectionsRequest.class,
+              com.google.chat.v1.ListSectionsRequest.Builder.class);
+    }
+
+    // Construct using com.google.chat.v1.ListSectionsRequest.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      parent_ = "";
+      pageSize_ = 0;
+      pageToken_ = "";
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_ListSectionsRequest_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.ListSectionsRequest getDefaultInstanceForType() {
+      return com.google.chat.v1.ListSectionsRequest.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.ListSectionsRequest build() {
+      com.google.chat.v1.ListSectionsRequest result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.ListSectionsRequest buildPartial() {
+      com.google.chat.v1.ListSectionsRequest result =
+          new com.google.chat.v1.ListSectionsRequest(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.chat.v1.ListSectionsRequest result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.parent_ = parent_;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.pageSize_ = pageSize_;
+      }
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.pageToken_ = pageToken_;
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.chat.v1.ListSectionsRequest) {
+        return mergeFrom((com.google.chat.v1.ListSectionsRequest) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.chat.v1.ListSectionsRequest other) {
+      if (other == com.google.chat.v1.ListSectionsRequest.getDefaultInstance()) return this;
+      if (!other.getParent().isEmpty()) {
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+        bitField0_ |= 0x00000001;
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+      if (other.getPageSize() != 0) {
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+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                parent_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 16:
+              {
+                pageSize_ = input.readInt32();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 16
+            case 26:
+              {
+                pageToken_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 26
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object parent_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent, which is the user resource name that owns this
+     * collection of sections. Only supports listing sections for the calling
+     * user. To refer to the calling user, set one of the following:
+     *
+     * - The `me` alias. For example, `users/me`.
+     *
+     * - Their Workspace email address. For example, `users/user&#64;example.com`.
+     *
+     * - Their user id. For example, `users/123456789`.
+     *
+     * Format: `users/{user}`
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The parent.
+     */
+    public java.lang.String getParent() {
+      java.lang.Object ref = parent_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        parent_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent, which is the user resource name that owns this
+     * collection of sections. Only supports listing sections for the calling
+     * user. To refer to the calling user, set one of the following:
+     *
+     * - The `me` alias. For example, `users/me`.
+     *
+     * - Their Workspace email address. For example, `users/user&#64;example.com`.
+     *
+     * - Their user id. For example, `users/123456789`.
+     *
+     * Format: `users/{user}`
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for parent.
+     */
+    public com.google.protobuf.ByteString getParentBytes() {
+      java.lang.Object ref = parent_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        parent_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent, which is the user resource name that owns this
+     * collection of sections. Only supports listing sections for the calling
+     * user. To refer to the calling user, set one of the following:
+     *
+     * - The `me` alias. For example, `users/me`.
+     *
+     * - Their Workspace email address. For example, `users/user&#64;example.com`.
+     *
+     * - Their user id. For example, `users/123456789`.
+     *
+     * Format: `users/{user}`
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The parent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setParent(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      parent_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent, which is the user resource name that owns this
+     * collection of sections. Only supports listing sections for the calling
+     * user. To refer to the calling user, set one of the following:
+     *
+     * - The `me` alias. For example, `users/me`.
+     *
+     * - Their Workspace email address. For example, `users/user&#64;example.com`.
+     *
+     * - Their user id. For example, `users/123456789`.
+     *
+     * Format: `users/{user}`
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearParent() {
+      parent_ = getDefaultInstance().getParent();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent, which is the user resource name that owns this
+     * collection of sections. Only supports listing sections for the calling
+     * user. To refer to the calling user, set one of the following:
+     *
+     * - The `me` alias. For example, `users/me`.
+     *
+     * - Their Workspace email address. For example, `users/user&#64;example.com`.
+     *
+     * - Their user id. For example, `users/123456789`.
+     *
+     * Format: `users/{user}`
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for parent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setParentBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      parent_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private int pageSize_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The maximum number of sections to return. The service may return
+     * fewer than this value.
+     *
+     * If unspecified, at most 10 sections will be returned.
+     *
+     * The maximum value is 100. If you use a value more than 100, it's
+     * automatically changed to 100.
+     *
+     * Negative values return an `INVALID_ARGUMENT` error.
+     * </pre>
+     *
+     * <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The pageSize.
+     */
+    @java.lang.Override
+    public int getPageSize() {
+      return pageSize_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The maximum number of sections to return. The service may return
+     * fewer than this value.
+     *
+     * If unspecified, at most 10 sections will be returned.
+     *
+     * The maximum value is 100. If you use a value more than 100, it's
+     * automatically changed to 100.
+     *
+     * Negative values return an `INVALID_ARGUMENT` error.
+     * </pre>
+     *
+     * <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The pageSize to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPageSize(int value) {
+
+      pageSize_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The maximum number of sections to return. The service may return
+     * fewer than this value.
+     *
+     * If unspecified, at most 10 sections will be returned.
+     *
+     * The maximum value is 100. If you use a value more than 100, it's
+     * automatically changed to 100.
+     *
+     * Negative values return an `INVALID_ARGUMENT` error.
+     * </pre>
+     *
+     * <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearPageSize() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      pageSize_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object pageToken_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A page token, received from a previous list sections call.
+     * Provide this to retrieve the subsequent page.
+     *
+     * When paginating, all other parameters provided should match the call that
+     * provided the page token. Passing different values to the other parameters
+     * might lead to unexpected results.
+     * </pre>
+     *
+     * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The pageToken.
+     */
+    public java.lang.String getPageToken() {
+      java.lang.Object ref = pageToken_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        pageToken_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A page token, received from a previous list sections call.
+     * Provide this to retrieve the subsequent page.
+     *
+     * When paginating, all other parameters provided should match the call that
+     * provided the page token. Passing different values to the other parameters
+     * might lead to unexpected results.
+     * </pre>
+     *
+     * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for pageToken.
+     */
+    public com.google.protobuf.ByteString getPageTokenBytes() {
+      java.lang.Object ref = pageToken_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        pageToken_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A page token, received from a previous list sections call.
+     * Provide this to retrieve the subsequent page.
+     *
+     * When paginating, all other parameters provided should match the call that
+     * provided the page token. Passing different values to the other parameters
+     * might lead to unexpected results.
+     * </pre>
+     *
+     * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The pageToken to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPageToken(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      pageToken_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A page token, received from a previous list sections call.
+     * Provide this to retrieve the subsequent page.
+     *
+     * When paginating, all other parameters provided should match the call that
+     * provided the page token. Passing different values to the other parameters
+     * might lead to unexpected results.
+     * </pre>
+     *
+     * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearPageToken() {
+      pageToken_ = getDefaultInstance().getPageToken();
+      bitField0_ = (bitField0_ & ~0x00000004);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A page token, received from a previous list sections call.
+     * Provide this to retrieve the subsequent page.
+     *
+     * When paginating, all other parameters provided should match the call that
+     * provided the page token. Passing different values to the other parameters
+     * might lead to unexpected results.
+     * </pre>
+     *
+     * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for pageToken to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPageTokenBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      pageToken_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.chat.v1.ListSectionsRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.chat.v1.ListSectionsRequest)
+  private static final com.google.chat.v1.ListSectionsRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.chat.v1.ListSectionsRequest();
+  }
+
+  public static com.google.chat.v1.ListSectionsRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ListSectionsRequest> PARSER =
+      new com.google.protobuf.AbstractParser<ListSectionsRequest>() {
+        @java.lang.Override
+        public ListSectionsRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<ListSectionsRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ListSectionsRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.chat.v1.ListSectionsRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionsRequestOrBuilder.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionsRequestOrBuilder.java
new file mode 100644
index 000000000000..e5d58e1ea333
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionsRequestOrBuilder.java
@@ -0,0 +1,135 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+@com.google.protobuf.Generated
+public interface ListSectionsRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.chat.v1.ListSectionsRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent, which is the user resource name that owns this
+   * collection of sections. Only supports listing sections for the calling
+   * user. To refer to the calling user, set one of the following:
+   *
+   * - The `me` alias. For example, `users/me`.
+   *
+   * - Their Workspace email address. For example, `users/user&#64;example.com`.
+   *
+   * - Their user id. For example, `users/123456789`.
+   *
+   * Format: `users/{user}`
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The parent.
+   */
+  java.lang.String getParent();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent, which is the user resource name that owns this
+   * collection of sections. Only supports listing sections for the calling
+   * user. To refer to the calling user, set one of the following:
+   *
+   * - The `me` alias. For example, `users/me`.
+   *
+   * - Their Workspace email address. For example, `users/user&#64;example.com`.
+   *
+   * - Their user id. For example, `users/123456789`.
+   *
+   * Format: `users/{user}`
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for parent.
+   */
+  com.google.protobuf.ByteString getParentBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The maximum number of sections to return. The service may return
+   * fewer than this value.
+   *
+   * If unspecified, at most 10 sections will be returned.
+   *
+   * The maximum value is 100. If you use a value more than 100, it's
+   * automatically changed to 100.
+   *
+   * Negative values return an `INVALID_ARGUMENT` error.
+   * </pre>
+   *
+   * <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The pageSize.
+   */
+  int getPageSize();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A page token, received from a previous list sections call.
+   * Provide this to retrieve the subsequent page.
+   *
+   * When paginating, all other parameters provided should match the call that
+   * provided the page token. Passing different values to the other parameters
+   * might lead to unexpected results.
+   * </pre>
+   *
+   * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The pageToken.
+   */
+  java.lang.String getPageToken();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A page token, received from a previous list sections call.
+   * Provide this to retrieve the subsequent page.
+   *
+   * When paginating, all other parameters provided should match the call that
+   * provided the page token. Passing different values to the other parameters
+   * might lead to unexpected results.
+   * </pre>
+   *
+   * <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for pageToken.
+   */
+  com.google.protobuf.ByteString getPageTokenBytes();
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionsResponse.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionsResponse.java
new file mode 100644
index 000000000000..ba24ecd2fb56
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionsResponse.java
@@ -0,0 +1,1109 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Response message for listing sections.
+ * </pre>
+ *
+ * Protobuf type {@code google.chat.v1.ListSectionsResponse}
+ */
+@com.google.protobuf.Generated
+public final class ListSectionsResponse extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.chat.v1.ListSectionsResponse)
+    ListSectionsResponseOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "ListSectionsResponse");
+  }
+
+  // Use ListSectionsResponse.newBuilder() to construct.
+  private ListSectionsResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ListSectionsResponse() {
+    sections_ = java.util.Collections.emptyList();
+    nextPageToken_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_ListSectionsResponse_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_ListSectionsResponse_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.chat.v1.ListSectionsResponse.class,
+            com.google.chat.v1.ListSectionsResponse.Builder.class);
+  }
+
+  public static final int SECTIONS_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.chat.v1.Section> sections_;
+
+  /**
+   *
+   *
+   * <pre>
+   * The sections from the specified user.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.Section sections = 1;</code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.chat.v1.Section> getSectionsList() {
+    return sections_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The sections from the specified user.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.Section sections = 1;</code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.chat.v1.SectionOrBuilder> getSectionsOrBuilderList() {
+    return sections_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The sections from the specified user.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.Section sections = 1;</code>
+   */
+  @java.lang.Override
+  public int getSectionsCount() {
+    return sections_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The sections from the specified user.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.Section sections = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.chat.v1.Section getSections(int index) {
+    return sections_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The sections from the specified user.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.Section sections = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.chat.v1.SectionOrBuilder getSectionsOrBuilder(int index) {
+    return sections_.get(index);
+  }
+
+  public static final int NEXT_PAGE_TOKEN_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object nextPageToken_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * A token, which can be sent as `page_token` to retrieve the next page.
+   * If this field is omitted, there are no subsequent pages.
+   * </pre>
+   *
+   * <code>string next_page_token = 2;</code>
+   *
+   * @return The nextPageToken.
+   */
+  @java.lang.Override
+  public java.lang.String getNextPageToken() {
+    java.lang.Object ref = nextPageToken_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      nextPageToken_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * A token, which can be sent as `page_token` to retrieve the next page.
+   * If this field is omitted, there are no subsequent pages.
+   * </pre>
+   *
+   * <code>string next_page_token = 2;</code>
+   *
+   * @return The bytes for nextPageToken.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNextPageTokenBytes() {
+    java.lang.Object ref = nextPageToken_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      nextPageToken_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    for (int i = 0; i < sections_.size(); i++) {
+      output.writeMessage(1, sections_.get(i));
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(nextPageToken_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, nextPageToken_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    for (int i = 0; i < sections_.size(); i++) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, sections_.get(i));
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(nextPageToken_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, nextPageToken_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.chat.v1.ListSectionsResponse)) {
+      return super.equals(obj);
+    }
+    com.google.chat.v1.ListSectionsResponse other = (com.google.chat.v1.ListSectionsResponse) obj;
+
+    if (!getSectionsList().equals(other.getSectionsList())) return false;
+    if (!getNextPageToken().equals(other.getNextPageToken())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (getSectionsCount() > 0) {
+      hash = (37 * hash) + SECTIONS_FIELD_NUMBER;
+      hash = (53 * hash) + getSectionsList().hashCode();
+    }
+    hash = (37 * hash) + NEXT_PAGE_TOKEN_FIELD_NUMBER;
+    hash = (53 * hash) + getNextPageToken().hashCode();
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.chat.v1.ListSectionsResponse parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.ListSectionsResponse parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.ListSectionsResponse parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.ListSectionsResponse parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.ListSectionsResponse parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.ListSectionsResponse parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.ListSectionsResponse parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.ListSectionsResponse parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.ListSectionsResponse parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.ListSectionsResponse parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.ListSectionsResponse parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.ListSectionsResponse parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.chat.v1.ListSectionsResponse prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Response message for listing sections.
+   * </pre>
+   *
+   * Protobuf type {@code google.chat.v1.ListSectionsResponse}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.chat.v1.ListSectionsResponse)
+      com.google.chat.v1.ListSectionsResponseOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_ListSectionsResponse_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_ListSectionsResponse_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.chat.v1.ListSectionsResponse.class,
+              com.google.chat.v1.ListSectionsResponse.Builder.class);
+    }
+
+    // Construct using com.google.chat.v1.ListSectionsResponse.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (sectionsBuilder_ == null) {
+        sections_ = java.util.Collections.emptyList();
+      } else {
+        sections_ = null;
+        sectionsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00000001);
+      nextPageToken_ = "";
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_ListSectionsResponse_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.ListSectionsResponse getDefaultInstanceForType() {
+      return com.google.chat.v1.ListSectionsResponse.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.ListSectionsResponse build() {
+      com.google.chat.v1.ListSectionsResponse result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.ListSectionsResponse buildPartial() {
+      com.google.chat.v1.ListSectionsResponse result =
+          new com.google.chat.v1.ListSectionsResponse(this);
+      buildPartialRepeatedFields(result);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartialRepeatedFields(com.google.chat.v1.ListSectionsResponse result) {
+      if (sectionsBuilder_ == null) {
+        if (((bitField0_ & 0x00000001) != 0)) {
+          sections_ = java.util.Collections.unmodifiableList(sections_);
+          bitField0_ = (bitField0_ & ~0x00000001);
+        }
+        result.sections_ = sections_;
+      } else {
+        result.sections_ = sectionsBuilder_.build();
+      }
+    }
+
+    private void buildPartial0(com.google.chat.v1.ListSectionsResponse result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.nextPageToken_ = nextPageToken_;
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.chat.v1.ListSectionsResponse) {
+        return mergeFrom((com.google.chat.v1.ListSectionsResponse) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.chat.v1.ListSectionsResponse other) {
+      if (other == com.google.chat.v1.ListSectionsResponse.getDefaultInstance()) return this;
+      if (sectionsBuilder_ == null) {
+        if (!other.sections_.isEmpty()) {
+          if (sections_.isEmpty()) {
+            sections_ = other.sections_;
+            bitField0_ = (bitField0_ & ~0x00000001);
+          } else {
+            ensureSectionsIsMutable();
+            sections_.addAll(other.sections_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.sections_.isEmpty()) {
+          if (sectionsBuilder_.isEmpty()) {
+            sectionsBuilder_.dispose();
+            sectionsBuilder_ = null;
+            sections_ = other.sections_;
+            bitField0_ = (bitField0_ & ~0x00000001);
+            sectionsBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetSectionsFieldBuilder()
+                    : null;
+          } else {
+            sectionsBuilder_.addAllMessages(other.sections_);
+          }
+        }
+      }
+      if (!other.getNextPageToken().isEmpty()) {
+        nextPageToken_ = other.nextPageToken_;
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                com.google.chat.v1.Section m =
+                    input.readMessage(com.google.chat.v1.Section.parser(), extensionRegistry);
+                if (sectionsBuilder_ == null) {
+                  ensureSectionsIsMutable();
+                  sections_.add(m);
+                } else {
+                  sectionsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 10
+            case 18:
+              {
+                nextPageToken_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.util.List<com.google.chat.v1.Section> sections_ =
+        java.util.Collections.emptyList();
+
+    private void ensureSectionsIsMutable() {
+      if (!((bitField0_ & 0x00000001) != 0)) {
+        sections_ = new java.util.ArrayList<com.google.chat.v1.Section>(sections_);
+        bitField0_ |= 0x00000001;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.chat.v1.Section,
+            com.google.chat.v1.Section.Builder,
+            com.google.chat.v1.SectionOrBuilder>
+        sectionsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The sections from the specified user.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.Section sections = 1;</code>
+     */
+    public java.util.List<com.google.chat.v1.Section> getSectionsList() {
+      if (sectionsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(sections_);
+      } else {
+        return sectionsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The sections from the specified user.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.Section sections = 1;</code>
+     */
+    public int getSectionsCount() {
+      if (sectionsBuilder_ == null) {
+        return sections_.size();
+      } else {
+        return sectionsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The sections from the specified user.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.Section sections = 1;</code>
+     */
+    public com.google.chat.v1.Section getSections(int index) {
+      if (sectionsBuilder_ == null) {
+        return sections_.get(index);
+      } else {
+        return sectionsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The sections from the specified user.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.Section sections = 1;</code>
+     */
+    public Builder setSections(int index, com.google.chat.v1.Section value) {
+      if (sectionsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureSectionsIsMutable();
+        sections_.set(index, value);
+        onChanged();
+      } else {
+        sectionsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The sections from the specified user.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.Section sections = 1;</code>
+     */
+    public Builder setSections(int index, com.google.chat.v1.Section.Builder builderForValue) {
+      if (sectionsBuilder_ == null) {
+        ensureSectionsIsMutable();
+        sections_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        sectionsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The sections from the specified user.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.Section sections = 1;</code>
+     */
+    public Builder addSections(com.google.chat.v1.Section value) {
+      if (sectionsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureSectionsIsMutable();
+        sections_.add(value);
+        onChanged();
+      } else {
+        sectionsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The sections from the specified user.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.Section sections = 1;</code>
+     */
+    public Builder addSections(int index, com.google.chat.v1.Section value) {
+      if (sectionsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureSectionsIsMutable();
+        sections_.add(index, value);
+        onChanged();
+      } else {
+        sectionsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The sections from the specified user.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.Section sections = 1;</code>
+     */
+    public Builder addSections(com.google.chat.v1.Section.Builder builderForValue) {
+      if (sectionsBuilder_ == null) {
+        ensureSectionsIsMutable();
+        sections_.add(builderForValue.build());
+        onChanged();
+      } else {
+        sectionsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The sections from the specified user.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.Section sections = 1;</code>
+     */
+    public Builder addSections(int index, com.google.chat.v1.Section.Builder builderForValue) {
+      if (sectionsBuilder_ == null) {
+        ensureSectionsIsMutable();
+        sections_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        sectionsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The sections from the specified user.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.Section sections = 1;</code>
+     */
+    public Builder addAllSections(java.lang.Iterable<? extends com.google.chat.v1.Section> values) {
+      if (sectionsBuilder_ == null) {
+        ensureSectionsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, sections_);
+        onChanged();
+      } else {
+        sectionsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The sections from the specified user.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.Section sections = 1;</code>
+     */
+    public Builder clearSections() {
+      if (sectionsBuilder_ == null) {
+        sections_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+      } else {
+        sectionsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The sections from the specified user.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.Section sections = 1;</code>
+     */
+    public Builder removeSections(int index) {
+      if (sectionsBuilder_ == null) {
+        ensureSectionsIsMutable();
+        sections_.remove(index);
+        onChanged();
+      } else {
+        sectionsBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The sections from the specified user.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.Section sections = 1;</code>
+     */
+    public com.google.chat.v1.Section.Builder getSectionsBuilder(int index) {
+      return internalGetSectionsFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The sections from the specified user.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.Section sections = 1;</code>
+     */
+    public com.google.chat.v1.SectionOrBuilder getSectionsOrBuilder(int index) {
+      if (sectionsBuilder_ == null) {
+        return sections_.get(index);
+      } else {
+        return sectionsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The sections from the specified user.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.Section sections = 1;</code>
+     */
+    public java.util.List<? extends com.google.chat.v1.SectionOrBuilder>
+        getSectionsOrBuilderList() {
+      if (sectionsBuilder_ != null) {
+        return sectionsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(sections_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The sections from the specified user.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.Section sections = 1;</code>
+     */
+    public com.google.chat.v1.Section.Builder addSectionsBuilder() {
+      return internalGetSectionsFieldBuilder()
+          .addBuilder(com.google.chat.v1.Section.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The sections from the specified user.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.Section sections = 1;</code>
+     */
+    public com.google.chat.v1.Section.Builder addSectionsBuilder(int index) {
+      return internalGetSectionsFieldBuilder()
+          .addBuilder(index, com.google.chat.v1.Section.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The sections from the specified user.
+     * </pre>
+     *
+     * <code>repeated .google.chat.v1.Section sections = 1;</code>
+     */
+    public java.util.List<com.google.chat.v1.Section.Builder> getSectionsBuilderList() {
+      return internalGetSectionsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.chat.v1.Section,
+            com.google.chat.v1.Section.Builder,
+            com.google.chat.v1.SectionOrBuilder>
+        internalGetSectionsFieldBuilder() {
+      if (sectionsBuilder_ == null) {
+        sectionsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.chat.v1.Section,
+                com.google.chat.v1.Section.Builder,
+                com.google.chat.v1.SectionOrBuilder>(
+                sections_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
+        sections_ = null;
+      }
+      return sectionsBuilder_;
+    }
+
+    private java.lang.Object nextPageToken_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * A token, which can be sent as `page_token` to retrieve the next page.
+     * If this field is omitted, there are no subsequent pages.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @return The nextPageToken.
+     */
+    public java.lang.String getNextPageToken() {
+      java.lang.Object ref = nextPageToken_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        nextPageToken_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * A token, which can be sent as `page_token` to retrieve the next page.
+     * If this field is omitted, there are no subsequent pages.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @return The bytes for nextPageToken.
+     */
+    public com.google.protobuf.ByteString getNextPageTokenBytes() {
+      java.lang.Object ref = nextPageToken_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        nextPageToken_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * A token, which can be sent as `page_token` to retrieve the next page.
+     * If this field is omitted, there are no subsequent pages.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @param value The nextPageToken to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNextPageToken(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      nextPageToken_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * A token, which can be sent as `page_token` to retrieve the next page.
+     * If this field is omitted, there are no subsequent pages.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearNextPageToken() {
+      nextPageToken_ = getDefaultInstance().getNextPageToken();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * A token, which can be sent as `page_token` to retrieve the next page.
+     * If this field is omitted, there are no subsequent pages.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @param value The bytes for nextPageToken to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNextPageTokenBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      nextPageToken_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.chat.v1.ListSectionsResponse)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.chat.v1.ListSectionsResponse)
+  private static final com.google.chat.v1.ListSectionsResponse DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.chat.v1.ListSectionsResponse();
+  }
+
+  public static com.google.chat.v1.ListSectionsResponse getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ListSectionsResponse> PARSER =
+      new com.google.protobuf.AbstractParser<ListSectionsResponse>() {
+        @java.lang.Override
+        public ListSectionsResponse parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<ListSectionsResponse> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ListSectionsResponse> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.chat.v1.ListSectionsResponse getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionsResponseOrBuilder.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionsResponseOrBuilder.java
new file mode 100644
index 000000000000..92d09d1f21e5
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/ListSectionsResponseOrBuilder.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+@com.google.protobuf.Generated
+public interface ListSectionsResponseOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.chat.v1.ListSectionsResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The sections from the specified user.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.Section sections = 1;</code>
+   */
+  java.util.List<com.google.chat.v1.Section> getSectionsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * The sections from the specified user.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.Section sections = 1;</code>
+   */
+  com.google.chat.v1.Section getSections(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * The sections from the specified user.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.Section sections = 1;</code>
+   */
+  int getSectionsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * The sections from the specified user.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.Section sections = 1;</code>
+   */
+  java.util.List<? extends com.google.chat.v1.SectionOrBuilder> getSectionsOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * The sections from the specified user.
+   * </pre>
+   *
+   * <code>repeated .google.chat.v1.Section sections = 1;</code>
+   */
+  com.google.chat.v1.SectionOrBuilder getSectionsOrBuilder(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * A token, which can be sent as `page_token` to retrieve the next page.
+   * If this field is omitted, there are no subsequent pages.
+   * </pre>
+   *
+   * <code>string next_page_token = 2;</code>
+   *
+   * @return The nextPageToken.
+   */
+  java.lang.String getNextPageToken();
+
+  /**
+   *
+   *
+   * <pre>
+   * A token, which can be sent as `page_token` to retrieve the next page.
+   * If this field is omitted, there are no subsequent pages.
+   * </pre>
+   *
+   * <code>string next_page_token = 2;</code>
+   *
+   * @return The bytes for nextPageToken.
+   */
+  com.google.protobuf.ByteString getNextPageTokenBytes();
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/MoveSectionItemRequest.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/MoveSectionItemRequest.java
new file mode 100644
index 000000000000..0b72dcdbaea7
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/MoveSectionItemRequest.java
@@ -0,0 +1,840 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Request message for moving a section item across sections.
+ * </pre>
+ *
+ * Protobuf type {@code google.chat.v1.MoveSectionItemRequest}
+ */
+@com.google.protobuf.Generated
+public final class MoveSectionItemRequest extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.chat.v1.MoveSectionItemRequest)
+    MoveSectionItemRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "MoveSectionItemRequest");
+  }
+
+  // Use MoveSectionItemRequest.newBuilder() to construct.
+  private MoveSectionItemRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private MoveSectionItemRequest() {
+    name_ = "";
+    targetSection_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_MoveSectionItemRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_MoveSectionItemRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.chat.v1.MoveSectionItemRequest.class,
+            com.google.chat.v1.MoveSectionItemRequest.Builder.class);
+  }
+
+  public static final int NAME_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object name_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the section item to move.
+   *
+   * Format: `users/{user}/sections/{section}/items/{item}`
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The name.
+   */
+  @java.lang.Override
+  public java.lang.String getName() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      name_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the section item to move.
+   *
+   * Format: `users/{user}/sections/{section}/items/{item}`
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for name.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNameBytes() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      name_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int TARGET_SECTION_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object targetSection_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the section to move the section item to.
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>
+   * string target_section = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The targetSection.
+   */
+  @java.lang.Override
+  public java.lang.String getTargetSection() {
+    java.lang.Object ref = targetSection_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      targetSection_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the section to move the section item to.
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>
+   * string target_section = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for targetSection.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getTargetSectionBytes() {
+    java.lang.Object ref = targetSection_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      targetSection_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(targetSection_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, targetSection_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, name_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(targetSection_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, targetSection_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.chat.v1.MoveSectionItemRequest)) {
+      return super.equals(obj);
+    }
+    com.google.chat.v1.MoveSectionItemRequest other =
+        (com.google.chat.v1.MoveSectionItemRequest) obj;
+
+    if (!getName().equals(other.getName())) return false;
+    if (!getTargetSection().equals(other.getTargetSection())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getName().hashCode();
+    hash = (37 * hash) + TARGET_SECTION_FIELD_NUMBER;
+    hash = (53 * hash) + getTargetSection().hashCode();
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.chat.v1.MoveSectionItemRequest parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemRequest parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemRequest parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemRequest parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemRequest parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemRequest parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemRequest parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemRequest parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemRequest parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemRequest parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemRequest parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemRequest parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.chat.v1.MoveSectionItemRequest prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Request message for moving a section item across sections.
+   * </pre>
+   *
+   * Protobuf type {@code google.chat.v1.MoveSectionItemRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.chat.v1.MoveSectionItemRequest)
+      com.google.chat.v1.MoveSectionItemRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_MoveSectionItemRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_MoveSectionItemRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.chat.v1.MoveSectionItemRequest.class,
+              com.google.chat.v1.MoveSectionItemRequest.Builder.class);
+    }
+
+    // Construct using com.google.chat.v1.MoveSectionItemRequest.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      name_ = "";
+      targetSection_ = "";
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_MoveSectionItemRequest_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.MoveSectionItemRequest getDefaultInstanceForType() {
+      return com.google.chat.v1.MoveSectionItemRequest.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.MoveSectionItemRequest build() {
+      com.google.chat.v1.MoveSectionItemRequest result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.MoveSectionItemRequest buildPartial() {
+      com.google.chat.v1.MoveSectionItemRequest result =
+          new com.google.chat.v1.MoveSectionItemRequest(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.chat.v1.MoveSectionItemRequest result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.name_ = name_;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.targetSection_ = targetSection_;
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.chat.v1.MoveSectionItemRequest) {
+        return mergeFrom((com.google.chat.v1.MoveSectionItemRequest) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.chat.v1.MoveSectionItemRequest other) {
+      if (other == com.google.chat.v1.MoveSectionItemRequest.getDefaultInstance()) return this;
+      if (!other.getName().isEmpty()) {
+        name_ = other.name_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      if (!other.getTargetSection().isEmpty()) {
+        targetSection_ = other.targetSection_;
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                name_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 18:
+              {
+                targetSection_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object name_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the section item to move.
+     *
+     * Format: `users/{user}/sections/{section}/items/{item}`
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The name.
+     */
+    public java.lang.String getName() {
+      java.lang.Object ref = name_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        name_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the section item to move.
+     *
+     * Format: `users/{user}/sections/{section}/items/{item}`
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for name.
+     */
+    public com.google.protobuf.ByteString getNameBytes() {
+      java.lang.Object ref = name_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        name_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the section item to move.
+     *
+     * Format: `users/{user}/sections/{section}/items/{item}`
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      name_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the section item to move.
+     *
+     * Format: `users/{user}/sections/{section}/items/{item}`
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+      name_ = getDefaultInstance().getName();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the section item to move.
+     *
+     * Format: `users/{user}/sections/{section}/items/{item}`
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      name_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object targetSection_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the section to move the section item to.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string target_section = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The targetSection.
+     */
+    public java.lang.String getTargetSection() {
+      java.lang.Object ref = targetSection_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        targetSection_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the section to move the section item to.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string target_section = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for targetSection.
+     */
+    public com.google.protobuf.ByteString getTargetSectionBytes() {
+      java.lang.Object ref = targetSection_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        targetSection_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the section to move the section item to.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string target_section = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The targetSection to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTargetSection(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      targetSection_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the section to move the section item to.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string target_section = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearTargetSection() {
+      targetSection_ = getDefaultInstance().getTargetSection();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the section to move the section item to.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string target_section = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for targetSection to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTargetSectionBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      targetSection_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.chat.v1.MoveSectionItemRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.chat.v1.MoveSectionItemRequest)
+  private static final com.google.chat.v1.MoveSectionItemRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.chat.v1.MoveSectionItemRequest();
+  }
+
+  public static com.google.chat.v1.MoveSectionItemRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<MoveSectionItemRequest> PARSER =
+      new com.google.protobuf.AbstractParser<MoveSectionItemRequest>() {
+        @java.lang.Override
+        public MoveSectionItemRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<MoveSectionItemRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<MoveSectionItemRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.chat.v1.MoveSectionItemRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/MoveSectionItemRequestOrBuilder.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/MoveSectionItemRequestOrBuilder.java
new file mode 100644
index 000000000000..453c665e8260
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/MoveSectionItemRequestOrBuilder.java
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+@com.google.protobuf.Generated
+public interface MoveSectionItemRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.chat.v1.MoveSectionItemRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the section item to move.
+   *
+   * Format: `users/{user}/sections/{section}/items/{item}`
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The name.
+   */
+  java.lang.String getName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the section item to move.
+   *
+   * Format: `users/{user}/sections/{section}/items/{item}`
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString getNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the section to move the section item to.
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>
+   * string target_section = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The targetSection.
+   */
+  java.lang.String getTargetSection();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the section to move the section item to.
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>
+   * string target_section = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for targetSection.
+   */
+  com.google.protobuf.ByteString getTargetSectionBytes();
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/MoveSectionItemResponse.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/MoveSectionItemResponse.java
new file mode 100644
index 000000000000..4ac726e8f8a4
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/MoveSectionItemResponse.java
@@ -0,0 +1,698 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Response message for moving a section item.
+ * </pre>
+ *
+ * Protobuf type {@code google.chat.v1.MoveSectionItemResponse}
+ */
+@com.google.protobuf.Generated
+public final class MoveSectionItemResponse extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.chat.v1.MoveSectionItemResponse)
+    MoveSectionItemResponseOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "MoveSectionItemResponse");
+  }
+
+  // Use MoveSectionItemResponse.newBuilder() to construct.
+  private MoveSectionItemResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private MoveSectionItemResponse() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_MoveSectionItemResponse_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_MoveSectionItemResponse_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.chat.v1.MoveSectionItemResponse.class,
+            com.google.chat.v1.MoveSectionItemResponse.Builder.class);
+  }
+
+  private int bitField0_;
+  public static final int SECTION_ITEM_FIELD_NUMBER = 1;
+  private com.google.chat.v1.SectionItem sectionItem_;
+
+  /**
+   *
+   *
+   * <pre>
+   * The updated section item.
+   * </pre>
+   *
+   * <code>.google.chat.v1.SectionItem section_item = 1;</code>
+   *
+   * @return Whether the sectionItem field is set.
+   */
+  @java.lang.Override
+  public boolean hasSectionItem() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The updated section item.
+   * </pre>
+   *
+   * <code>.google.chat.v1.SectionItem section_item = 1;</code>
+   *
+   * @return The sectionItem.
+   */
+  @java.lang.Override
+  public com.google.chat.v1.SectionItem getSectionItem() {
+    return sectionItem_ == null
+        ? com.google.chat.v1.SectionItem.getDefaultInstance()
+        : sectionItem_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The updated section item.
+   * </pre>
+   *
+   * <code>.google.chat.v1.SectionItem section_item = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.chat.v1.SectionItemOrBuilder getSectionItemOrBuilder() {
+    return sectionItem_ == null
+        ? com.google.chat.v1.SectionItem.getDefaultInstance()
+        : sectionItem_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(1, getSectionItem());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getSectionItem());
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.chat.v1.MoveSectionItemResponse)) {
+      return super.equals(obj);
+    }
+    com.google.chat.v1.MoveSectionItemResponse other =
+        (com.google.chat.v1.MoveSectionItemResponse) obj;
+
+    if (hasSectionItem() != other.hasSectionItem()) return false;
+    if (hasSectionItem()) {
+      if (!getSectionItem().equals(other.getSectionItem())) return false;
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasSectionItem()) {
+      hash = (37 * hash) + SECTION_ITEM_FIELD_NUMBER;
+      hash = (53 * hash) + getSectionItem().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.chat.v1.MoveSectionItemResponse parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemResponse parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemResponse parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemResponse parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemResponse parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemResponse parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemResponse parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemResponse parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemResponse parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemResponse parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemResponse parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.MoveSectionItemResponse parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.chat.v1.MoveSectionItemResponse prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Response message for moving a section item.
+   * </pre>
+   *
+   * Protobuf type {@code google.chat.v1.MoveSectionItemResponse}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.chat.v1.MoveSectionItemResponse)
+      com.google.chat.v1.MoveSectionItemResponseOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_MoveSectionItemResponse_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_MoveSectionItemResponse_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.chat.v1.MoveSectionItemResponse.class,
+              com.google.chat.v1.MoveSectionItemResponse.Builder.class);
+    }
+
+    // Construct using com.google.chat.v1.MoveSectionItemResponse.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetSectionItemFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      sectionItem_ = null;
+      if (sectionItemBuilder_ != null) {
+        sectionItemBuilder_.dispose();
+        sectionItemBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_MoveSectionItemResponse_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.MoveSectionItemResponse getDefaultInstanceForType() {
+      return com.google.chat.v1.MoveSectionItemResponse.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.MoveSectionItemResponse build() {
+      com.google.chat.v1.MoveSectionItemResponse result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.MoveSectionItemResponse buildPartial() {
+      com.google.chat.v1.MoveSectionItemResponse result =
+          new com.google.chat.v1.MoveSectionItemResponse(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.chat.v1.MoveSectionItemResponse result) {
+      int from_bitField0_ = bitField0_;
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.sectionItem_ =
+            sectionItemBuilder_ == null ? sectionItem_ : sectionItemBuilder_.build();
+        to_bitField0_ |= 0x00000001;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.chat.v1.MoveSectionItemResponse) {
+        return mergeFrom((com.google.chat.v1.MoveSectionItemResponse) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.chat.v1.MoveSectionItemResponse other) {
+      if (other == com.google.chat.v1.MoveSectionItemResponse.getDefaultInstance()) return this;
+      if (other.hasSectionItem()) {
+        mergeSectionItem(other.getSectionItem());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                input.readMessage(
+                    internalGetSectionItemFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.chat.v1.SectionItem sectionItem_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.chat.v1.SectionItem,
+            com.google.chat.v1.SectionItem.Builder,
+            com.google.chat.v1.SectionItemOrBuilder>
+        sectionItemBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The updated section item.
+     * </pre>
+     *
+     * <code>.google.chat.v1.SectionItem section_item = 1;</code>
+     *
+     * @return Whether the sectionItem field is set.
+     */
+    public boolean hasSectionItem() {
+      return ((bitField0_ & 0x00000001) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The updated section item.
+     * </pre>
+     *
+     * <code>.google.chat.v1.SectionItem section_item = 1;</code>
+     *
+     * @return The sectionItem.
+     */
+    public com.google.chat.v1.SectionItem getSectionItem() {
+      if (sectionItemBuilder_ == null) {
+        return sectionItem_ == null
+            ? com.google.chat.v1.SectionItem.getDefaultInstance()
+            : sectionItem_;
+      } else {
+        return sectionItemBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The updated section item.
+     * </pre>
+     *
+     * <code>.google.chat.v1.SectionItem section_item = 1;</code>
+     */
+    public Builder setSectionItem(com.google.chat.v1.SectionItem value) {
+      if (sectionItemBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        sectionItem_ = value;
+      } else {
+        sectionItemBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The updated section item.
+     * </pre>
+     *
+     * <code>.google.chat.v1.SectionItem section_item = 1;</code>
+     */
+    public Builder setSectionItem(com.google.chat.v1.SectionItem.Builder builderForValue) {
+      if (sectionItemBuilder_ == null) {
+        sectionItem_ = builderForValue.build();
+      } else {
+        sectionItemBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The updated section item.
+     * </pre>
+     *
+     * <code>.google.chat.v1.SectionItem section_item = 1;</code>
+     */
+    public Builder mergeSectionItem(com.google.chat.v1.SectionItem value) {
+      if (sectionItemBuilder_ == null) {
+        if (((bitField0_ & 0x00000001) != 0)
+            && sectionItem_ != null
+            && sectionItem_ != com.google.chat.v1.SectionItem.getDefaultInstance()) {
+          getSectionItemBuilder().mergeFrom(value);
+        } else {
+          sectionItem_ = value;
+        }
+      } else {
+        sectionItemBuilder_.mergeFrom(value);
+      }
+      if (sectionItem_ != null) {
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The updated section item.
+     * </pre>
+     *
+     * <code>.google.chat.v1.SectionItem section_item = 1;</code>
+     */
+    public Builder clearSectionItem() {
+      bitField0_ = (bitField0_ & ~0x00000001);
+      sectionItem_ = null;
+      if (sectionItemBuilder_ != null) {
+        sectionItemBuilder_.dispose();
+        sectionItemBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The updated section item.
+     * </pre>
+     *
+     * <code>.google.chat.v1.SectionItem section_item = 1;</code>
+     */
+    public com.google.chat.v1.SectionItem.Builder getSectionItemBuilder() {
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return internalGetSectionItemFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The updated section item.
+     * </pre>
+     *
+     * <code>.google.chat.v1.SectionItem section_item = 1;</code>
+     */
+    public com.google.chat.v1.SectionItemOrBuilder getSectionItemOrBuilder() {
+      if (sectionItemBuilder_ != null) {
+        return sectionItemBuilder_.getMessageOrBuilder();
+      } else {
+        return sectionItem_ == null
+            ? com.google.chat.v1.SectionItem.getDefaultInstance()
+            : sectionItem_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The updated section item.
+     * </pre>
+     *
+     * <code>.google.chat.v1.SectionItem section_item = 1;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.chat.v1.SectionItem,
+            com.google.chat.v1.SectionItem.Builder,
+            com.google.chat.v1.SectionItemOrBuilder>
+        internalGetSectionItemFieldBuilder() {
+      if (sectionItemBuilder_ == null) {
+        sectionItemBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.chat.v1.SectionItem,
+                com.google.chat.v1.SectionItem.Builder,
+                com.google.chat.v1.SectionItemOrBuilder>(
+                getSectionItem(), getParentForChildren(), isClean());
+        sectionItem_ = null;
+      }
+      return sectionItemBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.chat.v1.MoveSectionItemResponse)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.chat.v1.MoveSectionItemResponse)
+  private static final com.google.chat.v1.MoveSectionItemResponse DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.chat.v1.MoveSectionItemResponse();
+  }
+
+  public static com.google.chat.v1.MoveSectionItemResponse getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<MoveSectionItemResponse> PARSER =
+      new com.google.protobuf.AbstractParser<MoveSectionItemResponse>() {
+        @java.lang.Override
+        public MoveSectionItemResponse parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<MoveSectionItemResponse> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<MoveSectionItemResponse> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.chat.v1.MoveSectionItemResponse getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/MoveSectionItemResponseOrBuilder.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/MoveSectionItemResponseOrBuilder.java
new file mode 100644
index 000000000000..0e952311dacb
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/MoveSectionItemResponseOrBuilder.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+@com.google.protobuf.Generated
+public interface MoveSectionItemResponseOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.chat.v1.MoveSectionItemResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The updated section item.
+   * </pre>
+   *
+   * <code>.google.chat.v1.SectionItem section_item = 1;</code>
+   *
+   * @return Whether the sectionItem field is set.
+   */
+  boolean hasSectionItem();
+
+  /**
+   *
+   *
+   * <pre>
+   * The updated section item.
+   * </pre>
+   *
+   * <code>.google.chat.v1.SectionItem section_item = 1;</code>
+   *
+   * @return The sectionItem.
+   */
+  com.google.chat.v1.SectionItem getSectionItem();
+
+  /**
+   *
+   *
+   * <pre>
+   * The updated section item.
+   * </pre>
+   *
+   * <code>.google.chat.v1.SectionItem section_item = 1;</code>
+   */
+  com.google.chat.v1.SectionItemOrBuilder getSectionItemOrBuilder();
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/PositionSectionRequest.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/PositionSectionRequest.java
new file mode 100644
index 000000000000..bda64922a461
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/PositionSectionRequest.java
@@ -0,0 +1,1267 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Request message for positioning a section.
+ * </pre>
+ *
+ * Protobuf type {@code google.chat.v1.PositionSectionRequest}
+ */
+@com.google.protobuf.Generated
+public final class PositionSectionRequest extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.chat.v1.PositionSectionRequest)
+    PositionSectionRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "PositionSectionRequest");
+  }
+
+  // Use PositionSectionRequest.newBuilder() to construct.
+  private PositionSectionRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private PositionSectionRequest() {
+    name_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_PositionSectionRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_PositionSectionRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.chat.v1.PositionSectionRequest.class,
+            com.google.chat.v1.PositionSectionRequest.Builder.class);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The position of the section.
+   * </pre>
+   *
+   * Protobuf enum {@code google.chat.v1.PositionSectionRequest.Position}
+   */
+  public enum Position implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * Unspecified position.
+     * </pre>
+     *
+     * <code>POSITION_UNSPECIFIED = 0;</code>
+     */
+    POSITION_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * Start of the list of sections.
+     * </pre>
+     *
+     * <code>START = 1;</code>
+     */
+    START(1),
+    /**
+     *
+     *
+     * <pre>
+     * End of the list of sections.
+     * </pre>
+     *
+     * <code>END = 2;</code>
+     */
+    END(2),
+    UNRECOGNIZED(-1),
+    ;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "Position");
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Unspecified position.
+     * </pre>
+     *
+     * <code>POSITION_UNSPECIFIED = 0;</code>
+     */
+    public static final int POSITION_UNSPECIFIED_VALUE = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Start of the list of sections.
+     * </pre>
+     *
+     * <code>START = 1;</code>
+     */
+    public static final int START_VALUE = 1;
+
+    /**
+     *
+     *
+     * <pre>
+     * End of the list of sections.
+     * </pre>
+     *
+     * <code>END = 2;</code>
+     */
+    public static final int END_VALUE = 2;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static Position valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static Position forNumber(int value) {
+      switch (value) {
+        case 0:
+          return POSITION_UNSPECIFIED;
+        case 1:
+          return START;
+        case 2:
+          return END;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<Position> internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<Position> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap<Position>() {
+          public Position findValueByNumber(int number) {
+            return Position.forNumber(number);
+          }
+        };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.chat.v1.PositionSectionRequest.getDescriptor().getEnumTypes().get(0);
+    }
+
+    private static final Position[] VALUES = values();
+
+    public static Position valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private Position(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.chat.v1.PositionSectionRequest.Position)
+  }
+
+  private int positionCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object position_;
+
+  public enum PositionCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    SORT_ORDER(2),
+    RELATIVE_POSITION(3),
+    POSITION_NOT_SET(0);
+    private final int value;
+
+    private PositionCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static PositionCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static PositionCase forNumber(int value) {
+      switch (value) {
+        case 2:
+          return SORT_ORDER;
+        case 3:
+          return RELATIVE_POSITION;
+        case 0:
+          return POSITION_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public PositionCase getPositionCase() {
+    return PositionCase.forNumber(positionCase_);
+  }
+
+  public static final int NAME_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object name_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the section to position.
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The name.
+   */
+  @java.lang.Override
+  public java.lang.String getName() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      name_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the section to position.
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for name.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNameBytes() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      name_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int SORT_ORDER_FIELD_NUMBER = 2;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The absolute position of the section in the list of sections.
+   * The position must be greater than 0. If the position is greater than the
+   * number of sections, the section will be appended to the end of the list.
+   * This operation inserts the section at the given position and shifts the
+   * original section at that position, and those below it, to the next
+   * position.
+   * </pre>
+   *
+   * <code>int32 sort_order = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the sortOrder field is set.
+   */
+  @java.lang.Override
+  public boolean hasSortOrder() {
+    return positionCase_ == 2;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The absolute position of the section in the list of sections.
+   * The position must be greater than 0. If the position is greater than the
+   * number of sections, the section will be appended to the end of the list.
+   * This operation inserts the section at the given position and shifts the
+   * original section at that position, and those below it, to the next
+   * position.
+   * </pre>
+   *
+   * <code>int32 sort_order = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The sortOrder.
+   */
+  @java.lang.Override
+  public int getSortOrder() {
+    if (positionCase_ == 2) {
+      return (java.lang.Integer) position_;
+    }
+    return 0;
+  }
+
+  public static final int RELATIVE_POSITION_FIELD_NUMBER = 3;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The relative position of the section in the list of sections.
+   * </pre>
+   *
+   * <code>
+   * .google.chat.v1.PositionSectionRequest.Position relative_position = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the relativePosition field is set.
+   */
+  public boolean hasRelativePosition() {
+    return positionCase_ == 3;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The relative position of the section in the list of sections.
+   * </pre>
+   *
+   * <code>
+   * .google.chat.v1.PositionSectionRequest.Position relative_position = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for relativePosition.
+   */
+  public int getRelativePositionValue() {
+    if (positionCase_ == 3) {
+      return (java.lang.Integer) position_;
+    }
+    return 0;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The relative position of the section in the list of sections.
+   * </pre>
+   *
+   * <code>
+   * .google.chat.v1.PositionSectionRequest.Position relative_position = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The relativePosition.
+   */
+  public com.google.chat.v1.PositionSectionRequest.Position getRelativePosition() {
+    if (positionCase_ == 3) {
+      com.google.chat.v1.PositionSectionRequest.Position result =
+          com.google.chat.v1.PositionSectionRequest.Position.forNumber(
+              (java.lang.Integer) position_);
+      return result == null
+          ? com.google.chat.v1.PositionSectionRequest.Position.UNRECOGNIZED
+          : result;
+    }
+    return com.google.chat.v1.PositionSectionRequest.Position.POSITION_UNSPECIFIED;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
+    }
+    if (positionCase_ == 2) {
+      output.writeInt32(2, (int) ((java.lang.Integer) position_));
+    }
+    if (positionCase_ == 3) {
+      output.writeEnum(3, ((java.lang.Integer) position_));
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, name_);
+    }
+    if (positionCase_ == 2) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeInt32Size(
+              2, (int) ((java.lang.Integer) position_));
+    }
+    if (positionCase_ == 3) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeEnumSize(3, ((java.lang.Integer) position_));
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.chat.v1.PositionSectionRequest)) {
+      return super.equals(obj);
+    }
+    com.google.chat.v1.PositionSectionRequest other =
+        (com.google.chat.v1.PositionSectionRequest) obj;
+
+    if (!getName().equals(other.getName())) return false;
+    if (!getPositionCase().equals(other.getPositionCase())) return false;
+    switch (positionCase_) {
+      case 2:
+        if (getSortOrder() != other.getSortOrder()) return false;
+        break;
+      case 3:
+        if (getRelativePositionValue() != other.getRelativePositionValue()) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getName().hashCode();
+    switch (positionCase_) {
+      case 2:
+        hash = (37 * hash) + SORT_ORDER_FIELD_NUMBER;
+        hash = (53 * hash) + getSortOrder();
+        break;
+      case 3:
+        hash = (37 * hash) + RELATIVE_POSITION_FIELD_NUMBER;
+        hash = (53 * hash) + getRelativePositionValue();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.chat.v1.PositionSectionRequest parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.PositionSectionRequest parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.PositionSectionRequest parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.PositionSectionRequest parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.PositionSectionRequest parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.PositionSectionRequest parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.PositionSectionRequest parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.PositionSectionRequest parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.PositionSectionRequest parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.PositionSectionRequest parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.PositionSectionRequest parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.PositionSectionRequest parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.chat.v1.PositionSectionRequest prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Request message for positioning a section.
+   * </pre>
+   *
+   * Protobuf type {@code google.chat.v1.PositionSectionRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.chat.v1.PositionSectionRequest)
+      com.google.chat.v1.PositionSectionRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_PositionSectionRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_PositionSectionRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.chat.v1.PositionSectionRequest.class,
+              com.google.chat.v1.PositionSectionRequest.Builder.class);
+    }
+
+    // Construct using com.google.chat.v1.PositionSectionRequest.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      name_ = "";
+      positionCase_ = 0;
+      position_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_PositionSectionRequest_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.PositionSectionRequest getDefaultInstanceForType() {
+      return com.google.chat.v1.PositionSectionRequest.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.PositionSectionRequest build() {
+      com.google.chat.v1.PositionSectionRequest result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.PositionSectionRequest buildPartial() {
+      com.google.chat.v1.PositionSectionRequest result =
+          new com.google.chat.v1.PositionSectionRequest(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.chat.v1.PositionSectionRequest result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.name_ = name_;
+      }
+    }
+
+    private void buildPartialOneofs(com.google.chat.v1.PositionSectionRequest result) {
+      result.positionCase_ = positionCase_;
+      result.position_ = this.position_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.chat.v1.PositionSectionRequest) {
+        return mergeFrom((com.google.chat.v1.PositionSectionRequest) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.chat.v1.PositionSectionRequest other) {
+      if (other == com.google.chat.v1.PositionSectionRequest.getDefaultInstance()) return this;
+      if (!other.getName().isEmpty()) {
+        name_ = other.name_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      switch (other.getPositionCase()) {
+        case SORT_ORDER:
+          {
+            setSortOrder(other.getSortOrder());
+            break;
+          }
+        case RELATIVE_POSITION:
+          {
+            setRelativePositionValue(other.getRelativePositionValue());
+            break;
+          }
+        case POSITION_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                name_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 16:
+              {
+                position_ = input.readInt32();
+                positionCase_ = 2;
+                break;
+              } // case 16
+            case 24:
+              {
+                int rawValue = input.readEnum();
+                positionCase_ = 3;
+                position_ = rawValue;
+                break;
+              } // case 24
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int positionCase_ = 0;
+    private java.lang.Object position_;
+
+    public PositionCase getPositionCase() {
+      return PositionCase.forNumber(positionCase_);
+    }
+
+    public Builder clearPosition() {
+      positionCase_ = 0;
+      position_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object name_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the section to position.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The name.
+     */
+    public java.lang.String getName() {
+      java.lang.Object ref = name_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        name_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the section to position.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for name.
+     */
+    public com.google.protobuf.ByteString getNameBytes() {
+      java.lang.Object ref = name_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        name_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the section to position.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      name_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the section to position.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+      name_ = getDefaultInstance().getName();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The resource name of the section to position.
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      name_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The absolute position of the section in the list of sections.
+     * The position must be greater than 0. If the position is greater than the
+     * number of sections, the section will be appended to the end of the list.
+     * This operation inserts the section at the given position and shifts the
+     * original section at that position, and those below it, to the next
+     * position.
+     * </pre>
+     *
+     * <code>int32 sort_order = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the sortOrder field is set.
+     */
+    public boolean hasSortOrder() {
+      return positionCase_ == 2;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The absolute position of the section in the list of sections.
+     * The position must be greater than 0. If the position is greater than the
+     * number of sections, the section will be appended to the end of the list.
+     * This operation inserts the section at the given position and shifts the
+     * original section at that position, and those below it, to the next
+     * position.
+     * </pre>
+     *
+     * <code>int32 sort_order = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The sortOrder.
+     */
+    public int getSortOrder() {
+      if (positionCase_ == 2) {
+        return (java.lang.Integer) position_;
+      }
+      return 0;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The absolute position of the section in the list of sections.
+     * The position must be greater than 0. If the position is greater than the
+     * number of sections, the section will be appended to the end of the list.
+     * This operation inserts the section at the given position and shifts the
+     * original section at that position, and those below it, to the next
+     * position.
+     * </pre>
+     *
+     * <code>int32 sort_order = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The sortOrder to set.
+     * @return This builder for chaining.
+     */
+    public Builder setSortOrder(int value) {
+
+      positionCase_ = 2;
+      position_ = value;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The absolute position of the section in the list of sections.
+     * The position must be greater than 0. If the position is greater than the
+     * number of sections, the section will be appended to the end of the list.
+     * This operation inserts the section at the given position and shifts the
+     * original section at that position, and those below it, to the next
+     * position.
+     * </pre>
+     *
+     * <code>int32 sort_order = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearSortOrder() {
+      if (positionCase_ == 2) {
+        positionCase_ = 0;
+        position_ = null;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The relative position of the section in the list of sections.
+     * </pre>
+     *
+     * <code>
+     * .google.chat.v1.PositionSectionRequest.Position relative_position = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the relativePosition field is set.
+     */
+    @java.lang.Override
+    public boolean hasRelativePosition() {
+      return positionCase_ == 3;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The relative position of the section in the list of sections.
+     * </pre>
+     *
+     * <code>
+     * .google.chat.v1.PositionSectionRequest.Position relative_position = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for relativePosition.
+     */
+    @java.lang.Override
+    public int getRelativePositionValue() {
+      if (positionCase_ == 3) {
+        return ((java.lang.Integer) position_).intValue();
+      }
+      return 0;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The relative position of the section in the list of sections.
+     * </pre>
+     *
+     * <code>
+     * .google.chat.v1.PositionSectionRequest.Position relative_position = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The enum numeric value on the wire for relativePosition to set.
+     * @return This builder for chaining.
+     */
+    public Builder setRelativePositionValue(int value) {
+      positionCase_ = 3;
+      position_ = value;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The relative position of the section in the list of sections.
+     * </pre>
+     *
+     * <code>
+     * .google.chat.v1.PositionSectionRequest.Position relative_position = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The relativePosition.
+     */
+    @java.lang.Override
+    public com.google.chat.v1.PositionSectionRequest.Position getRelativePosition() {
+      if (positionCase_ == 3) {
+        com.google.chat.v1.PositionSectionRequest.Position result =
+            com.google.chat.v1.PositionSectionRequest.Position.forNumber(
+                (java.lang.Integer) position_);
+        return result == null
+            ? com.google.chat.v1.PositionSectionRequest.Position.UNRECOGNIZED
+            : result;
+      }
+      return com.google.chat.v1.PositionSectionRequest.Position.POSITION_UNSPECIFIED;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The relative position of the section in the list of sections.
+     * </pre>
+     *
+     * <code>
+     * .google.chat.v1.PositionSectionRequest.Position relative_position = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The relativePosition to set.
+     * @return This builder for chaining.
+     */
+    public Builder setRelativePosition(com.google.chat.v1.PositionSectionRequest.Position value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      positionCase_ = 3;
+      position_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The relative position of the section in the list of sections.
+     * </pre>
+     *
+     * <code>
+     * .google.chat.v1.PositionSectionRequest.Position relative_position = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearRelativePosition() {
+      if (positionCase_ == 3) {
+        positionCase_ = 0;
+        position_ = null;
+        onChanged();
+      }
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.chat.v1.PositionSectionRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.chat.v1.PositionSectionRequest)
+  private static final com.google.chat.v1.PositionSectionRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.chat.v1.PositionSectionRequest();
+  }
+
+  public static com.google.chat.v1.PositionSectionRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<PositionSectionRequest> PARSER =
+      new com.google.protobuf.AbstractParser<PositionSectionRequest>() {
+        @java.lang.Override
+        public PositionSectionRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<PositionSectionRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<PositionSectionRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.chat.v1.PositionSectionRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/PositionSectionRequestOrBuilder.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/PositionSectionRequestOrBuilder.java
new file mode 100644
index 000000000000..10b8fafb19c6
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/PositionSectionRequestOrBuilder.java
@@ -0,0 +1,145 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+@com.google.protobuf.Generated
+public interface PositionSectionRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.chat.v1.PositionSectionRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the section to position.
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The name.
+   */
+  java.lang.String getName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The resource name of the section to position.
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString getNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The absolute position of the section in the list of sections.
+   * The position must be greater than 0. If the position is greater than the
+   * number of sections, the section will be appended to the end of the list.
+   * This operation inserts the section at the given position and shifts the
+   * original section at that position, and those below it, to the next
+   * position.
+   * </pre>
+   *
+   * <code>int32 sort_order = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the sortOrder field is set.
+   */
+  boolean hasSortOrder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The absolute position of the section in the list of sections.
+   * The position must be greater than 0. If the position is greater than the
+   * number of sections, the section will be appended to the end of the list.
+   * This operation inserts the section at the given position and shifts the
+   * original section at that position, and those below it, to the next
+   * position.
+   * </pre>
+   *
+   * <code>int32 sort_order = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The sortOrder.
+   */
+  int getSortOrder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The relative position of the section in the list of sections.
+   * </pre>
+   *
+   * <code>
+   * .google.chat.v1.PositionSectionRequest.Position relative_position = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the relativePosition field is set.
+   */
+  boolean hasRelativePosition();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The relative position of the section in the list of sections.
+   * </pre>
+   *
+   * <code>
+   * .google.chat.v1.PositionSectionRequest.Position relative_position = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for relativePosition.
+   */
+  int getRelativePositionValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The relative position of the section in the list of sections.
+   * </pre>
+   *
+   * <code>
+   * .google.chat.v1.PositionSectionRequest.Position relative_position = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The relativePosition.
+   */
+  com.google.chat.v1.PositionSectionRequest.Position getRelativePosition();
+
+  com.google.chat.v1.PositionSectionRequest.PositionCase getPositionCase();
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/PositionSectionResponse.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/PositionSectionResponse.java
new file mode 100644
index 000000000000..68aabd0e3a83
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/PositionSectionResponse.java
@@ -0,0 +1,688 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Response message for positioning a section.
+ * </pre>
+ *
+ * Protobuf type {@code google.chat.v1.PositionSectionResponse}
+ */
+@com.google.protobuf.Generated
+public final class PositionSectionResponse extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.chat.v1.PositionSectionResponse)
+    PositionSectionResponseOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "PositionSectionResponse");
+  }
+
+  // Use PositionSectionResponse.newBuilder() to construct.
+  private PositionSectionResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private PositionSectionResponse() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_PositionSectionResponse_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_PositionSectionResponse_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.chat.v1.PositionSectionResponse.class,
+            com.google.chat.v1.PositionSectionResponse.Builder.class);
+  }
+
+  private int bitField0_;
+  public static final int SECTION_FIELD_NUMBER = 1;
+  private com.google.chat.v1.Section section_;
+
+  /**
+   *
+   *
+   * <pre>
+   * The updated section.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section section = 1;</code>
+   *
+   * @return Whether the section field is set.
+   */
+  @java.lang.Override
+  public boolean hasSection() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The updated section.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section section = 1;</code>
+   *
+   * @return The section.
+   */
+  @java.lang.Override
+  public com.google.chat.v1.Section getSection() {
+    return section_ == null ? com.google.chat.v1.Section.getDefaultInstance() : section_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The updated section.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section section = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.chat.v1.SectionOrBuilder getSectionOrBuilder() {
+    return section_ == null ? com.google.chat.v1.Section.getDefaultInstance() : section_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(1, getSection());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getSection());
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.chat.v1.PositionSectionResponse)) {
+      return super.equals(obj);
+    }
+    com.google.chat.v1.PositionSectionResponse other =
+        (com.google.chat.v1.PositionSectionResponse) obj;
+
+    if (hasSection() != other.hasSection()) return false;
+    if (hasSection()) {
+      if (!getSection().equals(other.getSection())) return false;
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasSection()) {
+      hash = (37 * hash) + SECTION_FIELD_NUMBER;
+      hash = (53 * hash) + getSection().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.chat.v1.PositionSectionResponse parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.PositionSectionResponse parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.PositionSectionResponse parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.PositionSectionResponse parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.PositionSectionResponse parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.PositionSectionResponse parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.PositionSectionResponse parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.PositionSectionResponse parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.PositionSectionResponse parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.PositionSectionResponse parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.PositionSectionResponse parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.PositionSectionResponse parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.chat.v1.PositionSectionResponse prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Response message for positioning a section.
+   * </pre>
+   *
+   * Protobuf type {@code google.chat.v1.PositionSectionResponse}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.chat.v1.PositionSectionResponse)
+      com.google.chat.v1.PositionSectionResponseOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_PositionSectionResponse_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_PositionSectionResponse_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.chat.v1.PositionSectionResponse.class,
+              com.google.chat.v1.PositionSectionResponse.Builder.class);
+    }
+
+    // Construct using com.google.chat.v1.PositionSectionResponse.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetSectionFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      section_ = null;
+      if (sectionBuilder_ != null) {
+        sectionBuilder_.dispose();
+        sectionBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_PositionSectionResponse_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.PositionSectionResponse getDefaultInstanceForType() {
+      return com.google.chat.v1.PositionSectionResponse.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.PositionSectionResponse build() {
+      com.google.chat.v1.PositionSectionResponse result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.PositionSectionResponse buildPartial() {
+      com.google.chat.v1.PositionSectionResponse result =
+          new com.google.chat.v1.PositionSectionResponse(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.chat.v1.PositionSectionResponse result) {
+      int from_bitField0_ = bitField0_;
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.section_ = sectionBuilder_ == null ? section_ : sectionBuilder_.build();
+        to_bitField0_ |= 0x00000001;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.chat.v1.PositionSectionResponse) {
+        return mergeFrom((com.google.chat.v1.PositionSectionResponse) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.chat.v1.PositionSectionResponse other) {
+      if (other == com.google.chat.v1.PositionSectionResponse.getDefaultInstance()) return this;
+      if (other.hasSection()) {
+        mergeSection(other.getSection());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                input.readMessage(internalGetSectionFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.chat.v1.Section section_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.chat.v1.Section,
+            com.google.chat.v1.Section.Builder,
+            com.google.chat.v1.SectionOrBuilder>
+        sectionBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The updated section.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 1;</code>
+     *
+     * @return Whether the section field is set.
+     */
+    public boolean hasSection() {
+      return ((bitField0_ & 0x00000001) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The updated section.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 1;</code>
+     *
+     * @return The section.
+     */
+    public com.google.chat.v1.Section getSection() {
+      if (sectionBuilder_ == null) {
+        return section_ == null ? com.google.chat.v1.Section.getDefaultInstance() : section_;
+      } else {
+        return sectionBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The updated section.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 1;</code>
+     */
+    public Builder setSection(com.google.chat.v1.Section value) {
+      if (sectionBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        section_ = value;
+      } else {
+        sectionBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The updated section.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 1;</code>
+     */
+    public Builder setSection(com.google.chat.v1.Section.Builder builderForValue) {
+      if (sectionBuilder_ == null) {
+        section_ = builderForValue.build();
+      } else {
+        sectionBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The updated section.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 1;</code>
+     */
+    public Builder mergeSection(com.google.chat.v1.Section value) {
+      if (sectionBuilder_ == null) {
+        if (((bitField0_ & 0x00000001) != 0)
+            && section_ != null
+            && section_ != com.google.chat.v1.Section.getDefaultInstance()) {
+          getSectionBuilder().mergeFrom(value);
+        } else {
+          section_ = value;
+        }
+      } else {
+        sectionBuilder_.mergeFrom(value);
+      }
+      if (section_ != null) {
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The updated section.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 1;</code>
+     */
+    public Builder clearSection() {
+      bitField0_ = (bitField0_ & ~0x00000001);
+      section_ = null;
+      if (sectionBuilder_ != null) {
+        sectionBuilder_.dispose();
+        sectionBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The updated section.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 1;</code>
+     */
+    public com.google.chat.v1.Section.Builder getSectionBuilder() {
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return internalGetSectionFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The updated section.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 1;</code>
+     */
+    public com.google.chat.v1.SectionOrBuilder getSectionOrBuilder() {
+      if (sectionBuilder_ != null) {
+        return sectionBuilder_.getMessageOrBuilder();
+      } else {
+        return section_ == null ? com.google.chat.v1.Section.getDefaultInstance() : section_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The updated section.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 1;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.chat.v1.Section,
+            com.google.chat.v1.Section.Builder,
+            com.google.chat.v1.SectionOrBuilder>
+        internalGetSectionFieldBuilder() {
+      if (sectionBuilder_ == null) {
+        sectionBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.chat.v1.Section,
+                com.google.chat.v1.Section.Builder,
+                com.google.chat.v1.SectionOrBuilder>(
+                getSection(), getParentForChildren(), isClean());
+        section_ = null;
+      }
+      return sectionBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.chat.v1.PositionSectionResponse)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.chat.v1.PositionSectionResponse)
+  private static final com.google.chat.v1.PositionSectionResponse DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.chat.v1.PositionSectionResponse();
+  }
+
+  public static com.google.chat.v1.PositionSectionResponse getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<PositionSectionResponse> PARSER =
+      new com.google.protobuf.AbstractParser<PositionSectionResponse>() {
+        @java.lang.Override
+        public PositionSectionResponse parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<PositionSectionResponse> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<PositionSectionResponse> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.chat.v1.PositionSectionResponse getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/PositionSectionResponseOrBuilder.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/PositionSectionResponseOrBuilder.java
new file mode 100644
index 000000000000..8aa5292eee4f
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/PositionSectionResponseOrBuilder.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+@com.google.protobuf.Generated
+public interface PositionSectionResponseOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.chat.v1.PositionSectionResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The updated section.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section section = 1;</code>
+   *
+   * @return Whether the section field is set.
+   */
+  boolean hasSection();
+
+  /**
+   *
+   *
+   * <pre>
+   * The updated section.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section section = 1;</code>
+   *
+   * @return The section.
+   */
+  com.google.chat.v1.Section getSection();
+
+  /**
+   *
+   *
+   * <pre>
+   * The updated section.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section section = 1;</code>
+   */
+  com.google.chat.v1.SectionOrBuilder getSectionOrBuilder();
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/Section.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/Section.java
new file mode 100644
index 000000000000..8d95fb8b6161
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/Section.java
@@ -0,0 +1,1365 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Represents a [section](https://support.google.com/chat/answer/16059854) in
+ * Google Chat. Sections help users organize their spaces. There are two types
+ * of sections:
+ *
+ * 1.  **System Sections:** These are predefined sections managed by Google
+ * Chat.
+ * Their resource names are fixed, and they cannot be created, deleted, or
+ * have their `display_name` modified. Examples include:
+ * *   `users/{user}/sections/default-direct-messages`
+ * *   `users/{user}/sections/default-spaces`
+ * *   `users/{user}/sections/default-apps`
+ *
+ * 2.  **Custom Sections:** These are sections created and managed by the user.
+ * Creating a custom section using `CreateSection` **requires** a
+ * `display_name`. Custom sections can be updated using `UpdateSection` and
+ * deleted using `DeleteSection`.
+ * </pre>
+ *
+ * Protobuf type {@code google.chat.v1.Section}
+ */
+@com.google.protobuf.Generated
+public final class Section extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.chat.v1.Section)
+    SectionOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "Section");
+  }
+
+  // Use Section.newBuilder() to construct.
+  private Section(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private Section() {
+    name_ = "";
+    displayName_ = "";
+    type_ = 0;
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.chat.v1.SectionProto.internal_static_google_chat_v1_Section_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.chat.v1.SectionProto.internal_static_google_chat_v1_Section_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.chat.v1.Section.class, com.google.chat.v1.Section.Builder.class);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Section types.
+   * </pre>
+   *
+   * Protobuf enum {@code google.chat.v1.Section.SectionType}
+   */
+  public enum SectionType implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * Unspecified section type.
+     * </pre>
+     *
+     * <code>SECTION_TYPE_UNSPECIFIED = 0;</code>
+     */
+    SECTION_TYPE_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * Custom section.
+     * </pre>
+     *
+     * <code>CUSTOM_SECTION = 1;</code>
+     */
+    CUSTOM_SECTION(1),
+    /**
+     *
+     *
+     * <pre>
+     * Default section containing
+     * [DIRECT_MESSAGE](https://developers.google.com/workspace/chat/api/reference/rest/v1/spaces#spacetype)
+     * between two human users or
+     * [GROUP_CHAT](https://developers.google.com/workspace/chat/api/reference/rest/v1/spaces#spacetype)
+     * spaces that don't belong to any custom section.
+     * </pre>
+     *
+     * <code>DEFAULT_DIRECT_MESSAGES = 2;</code>
+     */
+    DEFAULT_DIRECT_MESSAGES(2),
+    /**
+     *
+     *
+     * <pre>
+     * Default spaces that don't belong to any custom section.
+     * </pre>
+     *
+     * <code>DEFAULT_SPACES = 3;</code>
+     */
+    DEFAULT_SPACES(3),
+    /**
+     *
+     *
+     * <pre>
+     * Default section containing a user's installed apps.
+     * </pre>
+     *
+     * <code>DEFAULT_APPS = 6;</code>
+     */
+    DEFAULT_APPS(6),
+    UNRECOGNIZED(-1),
+    ;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "SectionType");
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Unspecified section type.
+     * </pre>
+     *
+     * <code>SECTION_TYPE_UNSPECIFIED = 0;</code>
+     */
+    public static final int SECTION_TYPE_UNSPECIFIED_VALUE = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Custom section.
+     * </pre>
+     *
+     * <code>CUSTOM_SECTION = 1;</code>
+     */
+    public static final int CUSTOM_SECTION_VALUE = 1;
+
+    /**
+     *
+     *
+     * <pre>
+     * Default section containing
+     * [DIRECT_MESSAGE](https://developers.google.com/workspace/chat/api/reference/rest/v1/spaces#spacetype)
+     * between two human users or
+     * [GROUP_CHAT](https://developers.google.com/workspace/chat/api/reference/rest/v1/spaces#spacetype)
+     * spaces that don't belong to any custom section.
+     * </pre>
+     *
+     * <code>DEFAULT_DIRECT_MESSAGES = 2;</code>
+     */
+    public static final int DEFAULT_DIRECT_MESSAGES_VALUE = 2;
+
+    /**
+     *
+     *
+     * <pre>
+     * Default spaces that don't belong to any custom section.
+     * </pre>
+     *
+     * <code>DEFAULT_SPACES = 3;</code>
+     */
+    public static final int DEFAULT_SPACES_VALUE = 3;
+
+    /**
+     *
+     *
+     * <pre>
+     * Default section containing a user's installed apps.
+     * </pre>
+     *
+     * <code>DEFAULT_APPS = 6;</code>
+     */
+    public static final int DEFAULT_APPS_VALUE = 6;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static SectionType valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static SectionType forNumber(int value) {
+      switch (value) {
+        case 0:
+          return SECTION_TYPE_UNSPECIFIED;
+        case 1:
+          return CUSTOM_SECTION;
+        case 2:
+          return DEFAULT_DIRECT_MESSAGES;
+        case 3:
+          return DEFAULT_SPACES;
+        case 6:
+          return DEFAULT_APPS;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<SectionType> internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<SectionType> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap<SectionType>() {
+          public SectionType findValueByNumber(int number) {
+            return SectionType.forNumber(number);
+          }
+        };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.chat.v1.Section.getDescriptor().getEnumTypes().get(0);
+    }
+
+    private static final SectionType[] VALUES = values();
+
+    public static SectionType valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private SectionType(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.chat.v1.Section.SectionType)
+  }
+
+  public static final int NAME_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object name_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Identifier. Resource name of the section.
+   *
+   * For system sections, the section ID is a constant string:
+   *
+   * - DEFAULT_DIRECT_MESSAGES: `users/{user}/sections/default-direct-messages`
+   * - DEFAULT_SPACES: `users/{user}/sections/default-spaces`
+   * - DEFAULT_APPS: `users/{user}/sections/default-apps`
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+   *
+   * @return The name.
+   */
+  @java.lang.Override
+  public java.lang.String getName() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      name_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Identifier. Resource name of the section.
+   *
+   * For system sections, the section ID is a constant string:
+   *
+   * - DEFAULT_DIRECT_MESSAGES: `users/{user}/sections/default-direct-messages`
+   * - DEFAULT_SPACES: `users/{user}/sections/default-spaces`
+   * - DEFAULT_APPS: `users/{user}/sections/default-apps`
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+   *
+   * @return The bytes for name.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNameBytes() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      name_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int DISPLAY_NAME_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object displayName_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The section's display name. Only populated for sections of type
+   * `CUSTOM_SECTION`. Supports up to 80 characters. Required when creating a
+   * `CUSTOM_SECTION`.
+   * </pre>
+   *
+   * <code>string display_name = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The displayName.
+   */
+  @java.lang.Override
+  public java.lang.String getDisplayName() {
+    java.lang.Object ref = displayName_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      displayName_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The section's display name. Only populated for sections of type
+   * `CUSTOM_SECTION`. Supports up to 80 characters. Required when creating a
+   * `CUSTOM_SECTION`.
+   * </pre>
+   *
+   * <code>string display_name = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for displayName.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getDisplayNameBytes() {
+    java.lang.Object ref = displayName_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      displayName_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int SORT_ORDER_FIELD_NUMBER = 3;
+  private int sortOrder_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The order of the section in relation to other sections.
+   * Sections with a lower `sort_order` value appear before sections with a
+   * higher value.
+   * </pre>
+   *
+   * <code>int32 sort_order = 3;</code>
+   *
+   * @return The sortOrder.
+   */
+  @java.lang.Override
+  public int getSortOrder() {
+    return sortOrder_;
+  }
+
+  public static final int TYPE_FIELD_NUMBER = 4;
+  private int type_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The type of the section.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section.SectionType type = 4 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for type.
+   */
+  @java.lang.Override
+  public int getTypeValue() {
+    return type_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The type of the section.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section.SectionType type = 4 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The type.
+   */
+  @java.lang.Override
+  public com.google.chat.v1.Section.SectionType getType() {
+    com.google.chat.v1.Section.SectionType result =
+        com.google.chat.v1.Section.SectionType.forNumber(type_);
+    return result == null ? com.google.chat.v1.Section.SectionType.UNRECOGNIZED : result;
+  }
+
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+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(displayName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, displayName_);
+    }
+    if (sortOrder_ != 0) {
+      output.writeInt32(3, sortOrder_);
+    }
+    if (type_ != com.google.chat.v1.Section.SectionType.SECTION_TYPE_UNSPECIFIED.getNumber()) {
+      output.writeEnum(4, type_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, name_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(displayName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, displayName_);
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+    if (sortOrder_ != 0) {
+      size += com.google.protobuf.CodedOutputStream.computeInt32Size(3, sortOrder_);
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+    if (type_ != com.google.chat.v1.Section.SectionType.SECTION_TYPE_UNSPECIFIED.getNumber()) {
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+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.chat.v1.Section)) {
+      return super.equals(obj);
+    }
+    com.google.chat.v1.Section other = (com.google.chat.v1.Section) obj;
+
+    if (!getName().equals(other.getName())) return false;
+    if (!getDisplayName().equals(other.getDisplayName())) return false;
+    if (getSortOrder() != other.getSortOrder()) return false;
+    if (type_ != other.type_) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getName().hashCode();
+    hash = (37 * hash) + DISPLAY_NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getDisplayName().hashCode();
+    hash = (37 * hash) + SORT_ORDER_FIELD_NUMBER;
+    hash = (53 * hash) + getSortOrder();
+    hash = (37 * hash) + TYPE_FIELD_NUMBER;
+    hash = (53 * hash) + type_;
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.chat.v1.Section parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.Section parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.Section parseFrom(com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.Section parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.Section parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.Section parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.Section parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.Section parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.Section parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.Section parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.Section parseFrom(com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.Section parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.chat.v1.Section prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Represents a [section](https://support.google.com/chat/answer/16059854) in
+   * Google Chat. Sections help users organize their spaces. There are two types
+   * of sections:
+   *
+   * 1.  **System Sections:** These are predefined sections managed by Google
+   * Chat.
+   * Their resource names are fixed, and they cannot be created, deleted, or
+   * have their `display_name` modified. Examples include:
+   * *   `users/{user}/sections/default-direct-messages`
+   * *   `users/{user}/sections/default-spaces`
+   * *   `users/{user}/sections/default-apps`
+   *
+   * 2.  **Custom Sections:** These are sections created and managed by the user.
+   * Creating a custom section using `CreateSection` **requires** a
+   * `display_name`. Custom sections can be updated using `UpdateSection` and
+   * deleted using `DeleteSection`.
+   * </pre>
+   *
+   * Protobuf type {@code google.chat.v1.Section}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.chat.v1.Section)
+      com.google.chat.v1.SectionOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.chat.v1.SectionProto.internal_static_google_chat_v1_Section_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_Section_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.chat.v1.Section.class, com.google.chat.v1.Section.Builder.class);
+    }
+
+    // Construct using com.google.chat.v1.Section.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      name_ = "";
+      displayName_ = "";
+      sortOrder_ = 0;
+      type_ = 0;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.chat.v1.SectionProto.internal_static_google_chat_v1_Section_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.Section getDefaultInstanceForType() {
+      return com.google.chat.v1.Section.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.Section build() {
+      com.google.chat.v1.Section result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.Section buildPartial() {
+      com.google.chat.v1.Section result = new com.google.chat.v1.Section(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.chat.v1.Section result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.name_ = name_;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.displayName_ = displayName_;
+      }
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.sortOrder_ = sortOrder_;
+      }
+      if (((from_bitField0_ & 0x00000008) != 0)) {
+        result.type_ = type_;
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+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.chat.v1.Section) {
+        return mergeFrom((com.google.chat.v1.Section) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.chat.v1.Section other) {
+      if (other == com.google.chat.v1.Section.getDefaultInstance()) return this;
+      if (!other.getName().isEmpty()) {
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+        bitField0_ |= 0x00000001;
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+      if (other.getSortOrder() != 0) {
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+      }
+      if (other.type_ != 0) {
+        setTypeValue(other.getTypeValue());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
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+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
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+
+    @java.lang.Override
+    public Builder mergeFrom(
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+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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+                break;
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+    private java.lang.Object name_ = "";
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+    /**
+     *
+     *
+     * <pre>
+     * Identifier. Resource name of the section.
+     *
+     * For system sections, the section ID is a constant string:
+     *
+     * - DEFAULT_DIRECT_MESSAGES: `users/{user}/sections/default-direct-messages`
+     * - DEFAULT_SPACES: `users/{user}/sections/default-spaces`
+     * - DEFAULT_APPS: `users/{user}/sections/default-apps`
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @return The name.
+     */
+    public java.lang.String getName() {
+      java.lang.Object ref = name_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        name_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. Resource name of the section.
+     *
+     * For system sections, the section ID is a constant string:
+     *
+     * - DEFAULT_DIRECT_MESSAGES: `users/{user}/sections/default-direct-messages`
+     * - DEFAULT_SPACES: `users/{user}/sections/default-spaces`
+     * - DEFAULT_APPS: `users/{user}/sections/default-apps`
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @return The bytes for name.
+     */
+    public com.google.protobuf.ByteString getNameBytes() {
+      java.lang.Object ref = name_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        name_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. Resource name of the section.
+     *
+     * For system sections, the section ID is a constant string:
+     *
+     * - DEFAULT_DIRECT_MESSAGES: `users/{user}/sections/default-direct-messages`
+     * - DEFAULT_SPACES: `users/{user}/sections/default-spaces`
+     * - DEFAULT_APPS: `users/{user}/sections/default-apps`
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @param value The name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      name_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. Resource name of the section.
+     *
+     * For system sections, the section ID is a constant string:
+     *
+     * - DEFAULT_DIRECT_MESSAGES: `users/{user}/sections/default-direct-messages`
+     * - DEFAULT_SPACES: `users/{user}/sections/default-spaces`
+     * - DEFAULT_APPS: `users/{user}/sections/default-apps`
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+      name_ = getDefaultInstance().getName();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. Resource name of the section.
+     *
+     * For system sections, the section ID is a constant string:
+     *
+     * - DEFAULT_DIRECT_MESSAGES: `users/{user}/sections/default-direct-messages`
+     * - DEFAULT_SPACES: `users/{user}/sections/default-spaces`
+     * - DEFAULT_APPS: `users/{user}/sections/default-apps`
+     *
+     * Format: `users/{user}/sections/{section}`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @param value The bytes for name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      name_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object displayName_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The section's display name. Only populated for sections of type
+     * `CUSTOM_SECTION`. Supports up to 80 characters. Required when creating a
+     * `CUSTOM_SECTION`.
+     * </pre>
+     *
+     * <code>string display_name = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The displayName.
+     */
+    public java.lang.String getDisplayName() {
+      java.lang.Object ref = displayName_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        displayName_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The section's display name. Only populated for sections of type
+     * `CUSTOM_SECTION`. Supports up to 80 characters. Required when creating a
+     * `CUSTOM_SECTION`.
+     * </pre>
+     *
+     * <code>string display_name = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for displayName.
+     */
+    public com.google.protobuf.ByteString getDisplayNameBytes() {
+      java.lang.Object ref = displayName_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        displayName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The section's display name. Only populated for sections of type
+     * `CUSTOM_SECTION`. Supports up to 80 characters. Required when creating a
+     * `CUSTOM_SECTION`.
+     * </pre>
+     *
+     * <code>string display_name = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The displayName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDisplayName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      displayName_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The section's display name. Only populated for sections of type
+     * `CUSTOM_SECTION`. Supports up to 80 characters. Required when creating a
+     * `CUSTOM_SECTION`.
+     * </pre>
+     *
+     * <code>string display_name = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearDisplayName() {
+      displayName_ = getDefaultInstance().getDisplayName();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The section's display name. Only populated for sections of type
+     * `CUSTOM_SECTION`. Supports up to 80 characters. Required when creating a
+     * `CUSTOM_SECTION`.
+     * </pre>
+     *
+     * <code>string display_name = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for displayName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDisplayNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      displayName_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    private int sortOrder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The order of the section in relation to other sections.
+     * Sections with a lower `sort_order` value appear before sections with a
+     * higher value.
+     * </pre>
+     *
+     * <code>int32 sort_order = 3;</code>
+     *
+     * @return The sortOrder.
+     */
+    @java.lang.Override
+    public int getSortOrder() {
+      return sortOrder_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The order of the section in relation to other sections.
+     * Sections with a lower `sort_order` value appear before sections with a
+     * higher value.
+     * </pre>
+     *
+     * <code>int32 sort_order = 3;</code>
+     *
+     * @param value The sortOrder to set.
+     * @return This builder for chaining.
+     */
+    public Builder setSortOrder(int value) {
+
+      sortOrder_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The order of the section in relation to other sections.
+     * Sections with a lower `sort_order` value appear before sections with a
+     * higher value.
+     * </pre>
+     *
+     * <code>int32 sort_order = 3;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearSortOrder() {
+      bitField0_ = (bitField0_ & ~0x00000004);
+      sortOrder_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private int type_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The type of the section.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section.SectionType type = 4 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for type.
+     */
+    @java.lang.Override
+    public int getTypeValue() {
+      return type_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The type of the section.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section.SectionType type = 4 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @param value The enum numeric value on the wire for type to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTypeValue(int value) {
+      type_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The type of the section.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section.SectionType type = 4 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return The type.
+     */
+    @java.lang.Override
+    public com.google.chat.v1.Section.SectionType getType() {
+      com.google.chat.v1.Section.SectionType result =
+          com.google.chat.v1.Section.SectionType.forNumber(type_);
+      return result == null ? com.google.chat.v1.Section.SectionType.UNRECOGNIZED : result;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The type of the section.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section.SectionType type = 4 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @param value The type to set.
+     * @return This builder for chaining.
+     */
+    public Builder setType(com.google.chat.v1.Section.SectionType value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      bitField0_ |= 0x00000008;
+      type_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The type of the section.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section.SectionType type = 4 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearType() {
+      bitField0_ = (bitField0_ & ~0x00000008);
+      type_ = 0;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.chat.v1.Section)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.chat.v1.Section)
+  private static final com.google.chat.v1.Section DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.chat.v1.Section();
+  }
+
+  public static com.google.chat.v1.Section getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<Section> PARSER =
+      new com.google.protobuf.AbstractParser<Section>() {
+        @java.lang.Override
+        public Section parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<Section> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<Section> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.chat.v1.Section getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/SectionItem.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/SectionItem.java
new file mode 100644
index 000000000000..395b1663fd72
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/SectionItem.java
@@ -0,0 +1,962 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * A user's defined section item. This is used to represent section items, such
+ * as spaces, grouped under a section.
+ * </pre>
+ *
+ * Protobuf type {@code google.chat.v1.SectionItem}
+ */
+@com.google.protobuf.Generated
+public final class SectionItem extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.chat.v1.SectionItem)
+    SectionItemOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "SectionItem");
+  }
+
+  // Use SectionItem.newBuilder() to construct.
+  private SectionItem(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private SectionItem() {
+    name_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.chat.v1.SectionProto.internal_static_google_chat_v1_SectionItem_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_SectionItem_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.chat.v1.SectionItem.class, com.google.chat.v1.SectionItem.Builder.class);
+  }
+
+  private int itemCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object item_;
+
+  public enum ItemCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    SPACE(2),
+    ITEM_NOT_SET(0);
+    private final int value;
+
+    private ItemCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static ItemCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static ItemCase forNumber(int value) {
+      switch (value) {
+        case 2:
+          return SPACE;
+        case 0:
+          return ITEM_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public ItemCase getItemCase() {
+    return ItemCase.forNumber(itemCase_);
+  }
+
+  public static final int NAME_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object name_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Identifier. The resource name of the section item.
+   *
+   * Format: `users/{user}/sections/{section}/items/{item}`
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+   *
+   * @return The name.
+   */
+  @java.lang.Override
+  public java.lang.String getName() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      name_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Identifier. The resource name of the section item.
+   *
+   * Format: `users/{user}/sections/{section}/items/{item}`
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+   *
+   * @return The bytes for name.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNameBytes() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      name_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int SPACE_FIELD_NUMBER = 2;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The space resource name.
+   *
+   * Format: `spaces/{space}`
+   * </pre>
+   *
+   * <code>
+   * string space = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return Whether the space field is set.
+   */
+  public boolean hasSpace() {
+    return itemCase_ == 2;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The space resource name.
+   *
+   * Format: `spaces/{space}`
+   * </pre>
+   *
+   * <code>
+   * string space = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The space.
+   */
+  public java.lang.String getSpace() {
+    java.lang.Object ref = "";
+    if (itemCase_ == 2) {
+      ref = item_;
+    }
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      if (itemCase_ == 2) {
+        item_ = s;
+      }
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The space resource name.
+   *
+   * Format: `spaces/{space}`
+   * </pre>
+   *
+   * <code>
+   * string space = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for space.
+   */
+  public com.google.protobuf.ByteString getSpaceBytes() {
+    java.lang.Object ref = "";
+    if (itemCase_ == 2) {
+      ref = item_;
+    }
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      if (itemCase_ == 2) {
+        item_ = b;
+      }
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
+    }
+    if (itemCase_ == 2) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, item_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, name_);
+    }
+    if (itemCase_ == 2) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, item_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.chat.v1.SectionItem)) {
+      return super.equals(obj);
+    }
+    com.google.chat.v1.SectionItem other = (com.google.chat.v1.SectionItem) obj;
+
+    if (!getName().equals(other.getName())) return false;
+    if (!getItemCase().equals(other.getItemCase())) return false;
+    switch (itemCase_) {
+      case 2:
+        if (!getSpace().equals(other.getSpace())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getName().hashCode();
+    switch (itemCase_) {
+      case 2:
+        hash = (37 * hash) + SPACE_FIELD_NUMBER;
+        hash = (53 * hash) + getSpace().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.chat.v1.SectionItem parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.SectionItem parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.SectionItem parseFrom(com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.SectionItem parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.SectionItem parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.SectionItem parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.SectionItem parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.SectionItem parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.SectionItem parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.SectionItem parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.SectionItem parseFrom(com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.SectionItem parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.chat.v1.SectionItem prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * A user's defined section item. This is used to represent section items, such
+   * as spaces, grouped under a section.
+   * </pre>
+   *
+   * Protobuf type {@code google.chat.v1.SectionItem}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.chat.v1.SectionItem)
+      com.google.chat.v1.SectionItemOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.chat.v1.SectionProto.internal_static_google_chat_v1_SectionItem_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_SectionItem_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.chat.v1.SectionItem.class, com.google.chat.v1.SectionItem.Builder.class);
+    }
+
+    // Construct using com.google.chat.v1.SectionItem.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      name_ = "";
+      itemCase_ = 0;
+      item_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.chat.v1.SectionProto.internal_static_google_chat_v1_SectionItem_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.SectionItem getDefaultInstanceForType() {
+      return com.google.chat.v1.SectionItem.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.SectionItem build() {
+      com.google.chat.v1.SectionItem result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.SectionItem buildPartial() {
+      com.google.chat.v1.SectionItem result = new com.google.chat.v1.SectionItem(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.chat.v1.SectionItem result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.name_ = name_;
+      }
+    }
+
+    private void buildPartialOneofs(com.google.chat.v1.SectionItem result) {
+      result.itemCase_ = itemCase_;
+      result.item_ = this.item_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.chat.v1.SectionItem) {
+        return mergeFrom((com.google.chat.v1.SectionItem) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.chat.v1.SectionItem other) {
+      if (other == com.google.chat.v1.SectionItem.getDefaultInstance()) return this;
+      if (!other.getName().isEmpty()) {
+        name_ = other.name_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      switch (other.getItemCase()) {
+        case SPACE:
+          {
+            itemCase_ = 2;
+            item_ = other.item_;
+            onChanged();
+            break;
+          }
+        case ITEM_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                name_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 18:
+              {
+                java.lang.String s = input.readStringRequireUtf8();
+                itemCase_ = 2;
+                item_ = s;
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int itemCase_ = 0;
+    private java.lang.Object item_;
+
+    public ItemCase getItemCase() {
+      return ItemCase.forNumber(itemCase_);
+    }
+
+    public Builder clearItem() {
+      itemCase_ = 0;
+      item_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object name_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. The resource name of the section item.
+     *
+     * Format: `users/{user}/sections/{section}/items/{item}`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @return The name.
+     */
+    public java.lang.String getName() {
+      java.lang.Object ref = name_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        name_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. The resource name of the section item.
+     *
+     * Format: `users/{user}/sections/{section}/items/{item}`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @return The bytes for name.
+     */
+    public com.google.protobuf.ByteString getNameBytes() {
+      java.lang.Object ref = name_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        name_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. The resource name of the section item.
+     *
+     * Format: `users/{user}/sections/{section}/items/{item}`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @param value The name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      name_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. The resource name of the section item.
+     *
+     * Format: `users/{user}/sections/{section}/items/{item}`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+      name_ = getDefaultInstance().getName();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. The resource name of the section item.
+     *
+     * Format: `users/{user}/sections/{section}/items/{item}`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @param value The bytes for name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      name_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The space resource name.
+     *
+     * Format: `spaces/{space}`
+     * </pre>
+     *
+     * <code>
+     * string space = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return Whether the space field is set.
+     */
+    @java.lang.Override
+    public boolean hasSpace() {
+      return itemCase_ == 2;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The space resource name.
+     *
+     * Format: `spaces/{space}`
+     * </pre>
+     *
+     * <code>
+     * string space = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The space.
+     */
+    @java.lang.Override
+    public java.lang.String getSpace() {
+      java.lang.Object ref = "";
+      if (itemCase_ == 2) {
+        ref = item_;
+      }
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (itemCase_ == 2) {
+          item_ = s;
+        }
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The space resource name.
+     *
+     * Format: `spaces/{space}`
+     * </pre>
+     *
+     * <code>
+     * string space = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for space.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getSpaceBytes() {
+      java.lang.Object ref = "";
+      if (itemCase_ == 2) {
+        ref = item_;
+      }
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        if (itemCase_ == 2) {
+          item_ = b;
+        }
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The space resource name.
+     *
+     * Format: `spaces/{space}`
+     * </pre>
+     *
+     * <code>
+     * string space = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The space to set.
+     * @return This builder for chaining.
+     */
+    public Builder setSpace(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      itemCase_ = 2;
+      item_ = value;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The space resource name.
+     *
+     * Format: `spaces/{space}`
+     * </pre>
+     *
+     * <code>
+     * string space = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearSpace() {
+      if (itemCase_ == 2) {
+        itemCase_ = 0;
+        item_ = null;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The space resource name.
+     *
+     * Format: `spaces/{space}`
+     * </pre>
+     *
+     * <code>
+     * string space = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for space to set.
+     * @return This builder for chaining.
+     */
+    public Builder setSpaceBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      itemCase_ = 2;
+      item_ = value;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.chat.v1.SectionItem)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.chat.v1.SectionItem)
+  private static final com.google.chat.v1.SectionItem DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.chat.v1.SectionItem();
+  }
+
+  public static com.google.chat.v1.SectionItem getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<SectionItem> PARSER =
+      new com.google.protobuf.AbstractParser<SectionItem>() {
+        @java.lang.Override
+        public SectionItem parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<SectionItem> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<SectionItem> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.chat.v1.SectionItem getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/SectionItemName.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/SectionItemName.java
new file mode 100644
index 000000000000..1fb239f27860
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/SectionItemName.java
@@ -0,0 +1,216 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1;
+
+import com.google.api.pathtemplate.PathTemplate;
+import com.google.api.resourcenames.ResourceName;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableMap;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import javax.annotation.Generated;
+
+// AUTO-GENERATED DOCUMENTATION AND CLASS.
+@Generated("by gapic-generator-java")
+public class SectionItemName implements ResourceName {
+  private static final PathTemplate USER_SECTION_ITEM =
+      PathTemplate.createWithoutUrlEncoding("users/{user}/sections/{section}/items/{item}");
+  private volatile Map<String, String> fieldValuesMap;
+  private final String user;
+  private final String section;
+  private final String item;
+
+  @Deprecated
+  protected SectionItemName() {
+    user = null;
+    section = null;
+    item = null;
+  }
+
+  private SectionItemName(Builder builder) {
+    user = Preconditions.checkNotNull(builder.getUser());
+    section = Preconditions.checkNotNull(builder.getSection());
+    item = Preconditions.checkNotNull(builder.getItem());
+  }
+
+  public String getUser() {
+    return user;
+  }
+
+  public String getSection() {
+    return section;
+  }
+
+  public String getItem() {
+    return item;
+  }
+
+  public static Builder newBuilder() {
+    return new Builder();
+  }
+
+  public Builder toBuilder() {
+    return new Builder(this);
+  }
+
+  public static SectionItemName of(String user, String section, String item) {
+    return newBuilder().setUser(user).setSection(section).setItem(item).build();
+  }
+
+  public static String format(String user, String section, String item) {
+    return newBuilder().setUser(user).setSection(section).setItem(item).build().toString();
+  }
+
+  public static SectionItemName parse(String formattedString) {
+    if (formattedString.isEmpty()) {
+      return null;
+    }
+    Map<String, String> matchMap =
+        USER_SECTION_ITEM.validatedMatch(
+            formattedString, "SectionItemName.parse: formattedString not in valid format");
+    return of(matchMap.get("user"), matchMap.get("section"), matchMap.get("item"));
+  }
+
+  public static List<SectionItemName> parseList(List<String> formattedStrings) {
+    List<SectionItemName> list = new ArrayList<>(formattedStrings.size());
+    for (String formattedString : formattedStrings) {
+      list.add(parse(formattedString));
+    }
+    return list;
+  }
+
+  public static List<String> toStringList(List<SectionItemName> values) {
+    List<String> list = new ArrayList<>(values.size());
+    for (SectionItemName value : values) {
+      if (value == null) {
+        list.add("");
+      } else {
+        list.add(value.toString());
+      }
+    }
+    return list;
+  }
+
+  public static boolean isParsableFrom(String formattedString) {
+    return USER_SECTION_ITEM.matches(formattedString);
+  }
+
+  @Override
+  public Map<String, String> getFieldValuesMap() {
+    if (fieldValuesMap == null) {
+      synchronized (this) {
+        if (fieldValuesMap == null) {
+          ImmutableMap.Builder<String, String> fieldMapBuilder = ImmutableMap.builder();
+          if (user != null) {
+            fieldMapBuilder.put("user", user);
+          }
+          if (section != null) {
+            fieldMapBuilder.put("section", section);
+          }
+          if (item != null) {
+            fieldMapBuilder.put("item", item);
+          }
+          fieldValuesMap = fieldMapBuilder.build();
+        }
+      }
+    }
+    return fieldValuesMap;
+  }
+
+  public String getFieldValue(String fieldName) {
+    return getFieldValuesMap().get(fieldName);
+  }
+
+  @Override
+  public String toString() {
+    return USER_SECTION_ITEM.instantiate("user", user, "section", section, "item", item);
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (o == this) {
+      return true;
+    }
+    if (o != null && getClass() == o.getClass()) {
+      SectionItemName that = ((SectionItemName) o);
+      return Objects.equals(this.user, that.user)
+          && Objects.equals(this.section, that.section)
+          && Objects.equals(this.item, that.item);
+    }
+    return false;
+  }
+
+  @Override
+  public int hashCode() {
+    int h = 1;
+    h *= 1000003;
+    h ^= Objects.hashCode(user);
+    h *= 1000003;
+    h ^= Objects.hashCode(section);
+    h *= 1000003;
+    h ^= Objects.hashCode(item);
+    return h;
+  }
+
+  /** Builder for users/{user}/sections/{section}/items/{item}. */
+  public static class Builder {
+    private String user;
+    private String section;
+    private String item;
+
+    protected Builder() {}
+
+    public String getUser() {
+      return user;
+    }
+
+    public String getSection() {
+      return section;
+    }
+
+    public String getItem() {
+      return item;
+    }
+
+    public Builder setUser(String user) {
+      this.user = user;
+      return this;
+    }
+
+    public Builder setSection(String section) {
+      this.section = section;
+      return this;
+    }
+
+    public Builder setItem(String item) {
+      this.item = item;
+      return this;
+    }
+
+    private Builder(SectionItemName sectionItemName) {
+      this.user = sectionItemName.user;
+      this.section = sectionItemName.section;
+      this.item = sectionItemName.item;
+    }
+
+    public SectionItemName build() {
+      return new SectionItemName(this);
+    }
+  }
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/SectionItemOrBuilder.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/SectionItemOrBuilder.java
new file mode 100644
index 000000000000..9cd83239b412
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/SectionItemOrBuilder.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+@com.google.protobuf.Generated
+public interface SectionItemOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.chat.v1.SectionItem)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Identifier. The resource name of the section item.
+   *
+   * Format: `users/{user}/sections/{section}/items/{item}`
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+   *
+   * @return The name.
+   */
+  java.lang.String getName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Identifier. The resource name of the section item.
+   *
+   * Format: `users/{user}/sections/{section}/items/{item}`
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+   *
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString getNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The space resource name.
+   *
+   * Format: `spaces/{space}`
+   * </pre>
+   *
+   * <code>
+   * string space = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return Whether the space field is set.
+   */
+  boolean hasSpace();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The space resource name.
+   *
+   * Format: `spaces/{space}`
+   * </pre>
+   *
+   * <code>
+   * string space = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The space.
+   */
+  java.lang.String getSpace();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The space resource name.
+   *
+   * Format: `spaces/{space}`
+   * </pre>
+   *
+   * <code>
+   * string space = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for space.
+   */
+  com.google.protobuf.ByteString getSpaceBytes();
+
+  com.google.chat.v1.SectionItem.ItemCase getItemCase();
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/SectionName.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/SectionName.java
new file mode 100644
index 000000000000..92610ea11188
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/SectionName.java
@@ -0,0 +1,191 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1;
+
+import com.google.api.pathtemplate.PathTemplate;
+import com.google.api.resourcenames.ResourceName;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableMap;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import javax.annotation.Generated;
+
+// AUTO-GENERATED DOCUMENTATION AND CLASS.
+@Generated("by gapic-generator-java")
+public class SectionName implements ResourceName {
+  private static final PathTemplate USER_SECTION =
+      PathTemplate.createWithoutUrlEncoding("users/{user}/sections/{section}");
+  private volatile Map<String, String> fieldValuesMap;
+  private final String user;
+  private final String section;
+
+  @Deprecated
+  protected SectionName() {
+    user = null;
+    section = null;
+  }
+
+  private SectionName(Builder builder) {
+    user = Preconditions.checkNotNull(builder.getUser());
+    section = Preconditions.checkNotNull(builder.getSection());
+  }
+
+  public String getUser() {
+    return user;
+  }
+
+  public String getSection() {
+    return section;
+  }
+
+  public static Builder newBuilder() {
+    return new Builder();
+  }
+
+  public Builder toBuilder() {
+    return new Builder(this);
+  }
+
+  public static SectionName of(String user, String section) {
+    return newBuilder().setUser(user).setSection(section).build();
+  }
+
+  public static String format(String user, String section) {
+    return newBuilder().setUser(user).setSection(section).build().toString();
+  }
+
+  public static SectionName parse(String formattedString) {
+    if (formattedString.isEmpty()) {
+      return null;
+    }
+    Map<String, String> matchMap =
+        USER_SECTION.validatedMatch(
+            formattedString, "SectionName.parse: formattedString not in valid format");
+    return of(matchMap.get("user"), matchMap.get("section"));
+  }
+
+  public static List<SectionName> parseList(List<String> formattedStrings) {
+    List<SectionName> list = new ArrayList<>(formattedStrings.size());
+    for (String formattedString : formattedStrings) {
+      list.add(parse(formattedString));
+    }
+    return list;
+  }
+
+  public static List<String> toStringList(List<SectionName> values) {
+    List<String> list = new ArrayList<>(values.size());
+    for (SectionName value : values) {
+      if (value == null) {
+        list.add("");
+      } else {
+        list.add(value.toString());
+      }
+    }
+    return list;
+  }
+
+  public static boolean isParsableFrom(String formattedString) {
+    return USER_SECTION.matches(formattedString);
+  }
+
+  @Override
+  public Map<String, String> getFieldValuesMap() {
+    if (fieldValuesMap == null) {
+      synchronized (this) {
+        if (fieldValuesMap == null) {
+          ImmutableMap.Builder<String, String> fieldMapBuilder = ImmutableMap.builder();
+          if (user != null) {
+            fieldMapBuilder.put("user", user);
+          }
+          if (section != null) {
+            fieldMapBuilder.put("section", section);
+          }
+          fieldValuesMap = fieldMapBuilder.build();
+        }
+      }
+    }
+    return fieldValuesMap;
+  }
+
+  public String getFieldValue(String fieldName) {
+    return getFieldValuesMap().get(fieldName);
+  }
+
+  @Override
+  public String toString() {
+    return USER_SECTION.instantiate("user", user, "section", section);
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (o == this) {
+      return true;
+    }
+    if (o != null && getClass() == o.getClass()) {
+      SectionName that = ((SectionName) o);
+      return Objects.equals(this.user, that.user) && Objects.equals(this.section, that.section);
+    }
+    return false;
+  }
+
+  @Override
+  public int hashCode() {
+    int h = 1;
+    h *= 1000003;
+    h ^= Objects.hashCode(user);
+    h *= 1000003;
+    h ^= Objects.hashCode(section);
+    return h;
+  }
+
+  /** Builder for users/{user}/sections/{section}. */
+  public static class Builder {
+    private String user;
+    private String section;
+
+    protected Builder() {}
+
+    public String getUser() {
+      return user;
+    }
+
+    public String getSection() {
+      return section;
+    }
+
+    public Builder setUser(String user) {
+      this.user = user;
+      return this;
+    }
+
+    public Builder setSection(String section) {
+      this.section = section;
+      return this;
+    }
+
+    private Builder(SectionName sectionName) {
+      this.user = sectionName.user;
+      this.section = sectionName.section;
+    }
+
+    public SectionName build() {
+      return new SectionName(this);
+    }
+  }
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/SectionOrBuilder.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/SectionOrBuilder.java
new file mode 100644
index 000000000000..d6331029935c
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/SectionOrBuilder.java
@@ -0,0 +1,143 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+@com.google.protobuf.Generated
+public interface SectionOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.chat.v1.Section)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Identifier. Resource name of the section.
+   *
+   * For system sections, the section ID is a constant string:
+   *
+   * - DEFAULT_DIRECT_MESSAGES: `users/{user}/sections/default-direct-messages`
+   * - DEFAULT_SPACES: `users/{user}/sections/default-spaces`
+   * - DEFAULT_APPS: `users/{user}/sections/default-apps`
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+   *
+   * @return The name.
+   */
+  java.lang.String getName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Identifier. Resource name of the section.
+   *
+   * For system sections, the section ID is a constant string:
+   *
+   * - DEFAULT_DIRECT_MESSAGES: `users/{user}/sections/default-direct-messages`
+   * - DEFAULT_SPACES: `users/{user}/sections/default-spaces`
+   * - DEFAULT_APPS: `users/{user}/sections/default-apps`
+   *
+   * Format: `users/{user}/sections/{section}`
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+   *
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString getNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The section's display name. Only populated for sections of type
+   * `CUSTOM_SECTION`. Supports up to 80 characters. Required when creating a
+   * `CUSTOM_SECTION`.
+   * </pre>
+   *
+   * <code>string display_name = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The displayName.
+   */
+  java.lang.String getDisplayName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The section's display name. Only populated for sections of type
+   * `CUSTOM_SECTION`. Supports up to 80 characters. Required when creating a
+   * `CUSTOM_SECTION`.
+   * </pre>
+   *
+   * <code>string display_name = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for displayName.
+   */
+  com.google.protobuf.ByteString getDisplayNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The order of the section in relation to other sections.
+   * Sections with a lower `sort_order` value appear before sections with a
+   * higher value.
+   * </pre>
+   *
+   * <code>int32 sort_order = 3;</code>
+   *
+   * @return The sortOrder.
+   */
+  int getSortOrder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The type of the section.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section.SectionType type = 4 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for type.
+   */
+  int getTypeValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The type of the section.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section.SectionType type = 4 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The type.
+   */
+  com.google.chat.v1.Section.SectionType getType();
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/SectionProto.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/SectionProto.java
new file mode 100644
index 000000000000..a5272526564b
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/SectionProto.java
@@ -0,0 +1,308 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+@com.google.protobuf.Generated
+public final class SectionProto extends com.google.protobuf.GeneratedFile {
+  private SectionProto() {}
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "SectionProto");
+  }
+
+  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
+
+  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions((com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_chat_v1_Section_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_chat_v1_Section_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_chat_v1_SectionItem_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_chat_v1_SectionItem_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_chat_v1_CreateSectionRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_chat_v1_CreateSectionRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_chat_v1_DeleteSectionRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_chat_v1_DeleteSectionRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_chat_v1_UpdateSectionRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_chat_v1_UpdateSectionRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_chat_v1_ListSectionsRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_chat_v1_ListSectionsRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_chat_v1_ListSectionsResponse_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_chat_v1_ListSectionsResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_chat_v1_PositionSectionRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_chat_v1_PositionSectionRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_chat_v1_PositionSectionResponse_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_chat_v1_PositionSectionResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_chat_v1_ListSectionItemsRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_chat_v1_ListSectionItemsRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_chat_v1_ListSectionItemsResponse_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_chat_v1_ListSectionItemsResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_chat_v1_MoveSectionItemRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_chat_v1_MoveSectionItemRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_chat_v1_MoveSectionItemResponse_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_chat_v1_MoveSectionItemResponse_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
+    return descriptor;
+  }
+
+  private static com.google.protobuf.Descriptors.FileDescriptor descriptor;
+
+  static {
+    java.lang.String[] descriptorData = {
+      "\n"
+          + "\034google/chat/v1/section.proto\022\016google.c"
+          + "hat.v1\032\037google/api/field_behavior.proto\032\031google/api/resource.proto\032"
+          + " google/protobuf/field_mask.proto\"\336\002\n"
+          + "\007Section\022\021\n"
+          + "\004name\030\001 \001(\tB\003\340A\010\022\031\n"
+          + "\014display_name\030\002 \001(\tB\003\340A\001\022\022\n\n"
+          + "sort_order\030\003 \001(\005\0226\n"
+          + "\004type\030\004"
+          + " \001(\0162#.google.chat.v1.Section.SectionTypeB\003\340A\002\"\202\001\n"
+          + "\013SectionType\022\034\n"
+          + "\030SECTION_TYPE_UNSPECIFIED\020\000\022\022\n"
+          + "\016CUSTOM_SECTION\020\001\022\033\n"
+          + "\027DEFAULT_DIRECT_MESSAGES\020\002\022\022\n"
+          + "\016DEFAULT_SPACES\020\003\022\020\n"
+          + "\014DEFAULT_APPS\020\006:T\352AQ\n"
+          + "\033chat.googleapis.com/Sectio"
+          + "n\022\037users/{user}/sections/{section}*\010sections2\007section\"\313\001\n"
+          + "\013SectionItem\022\021\n"
+          + "\004name\030\001 \001(\tB\003\340A\010\0222\n"
+          + "\005space\030\002 \001(\tB!\340A\001\372A\033\n"
+          + "\031chat.googleapis.com/SpaceH\000:m\352Aj\n"
+          + "\037chat.googleapis.com/SectionItem\022,users/{user}/section"
+          + "s/{section}/items/{item}*\014sectionItems2\013sectionItemB\006\n"
+          + "\004item\"w\n"
+          + "\024CreateSectionRequest\0220\n"
+          + "\006parent\030\001 \001(\tB \340A\002\372A\032\n"
+          + "\030chat.googleapis.com/User\022-\n"
+          + "\007section\030\002 \001(\0132\027.google.chat.v1.SectionB\003\340A\002\"I\n"
+          + "\024DeleteSectionRequest\0221\n"
+          + "\004name\030\001 \001(\tB#\340A\002\372A\035\n"
+          + "\033chat.googleapis.com/Section\"{\n"
+          + "\024UpdateSectionRequest\022-\n"
+          + "\007section\030\001 \001(\0132\027.google.chat.v1.SectionB\003\340A\002\0224\n"
+          + "\013update_mask\030\002 \001(\0132\032.google.protobuf.FieldMaskB\003\340A\002\"x\n"
+          + "\023ListSectionsRequest\0220\n"
+          + "\006parent\030\001 \001(\tB \340A\002\372A\032\n"
+          + "\030chat.googleapis.com/User\022\026\n"
+          + "\tpage_size\030\002 \001(\005B\003\340A\001\022\027\n"
+          + "\n"
+          + "page_token\030\003 \001(\tB\003\340A\001\"Z\n"
+          + "\024ListSectionsResponse\022)\n"
+          + "\010sections\030\001 \003(\0132\027.google.chat.v1.Section\022\027\n"
+          + "\017next_page_token\030\002 \001(\t\"\377\001\n"
+          + "\026PositionSectionRequest\0221\n"
+          + "\004name\030\001 \001(\tB#\340A\002\372A\035\n"
+          + "\033chat.googleapis.com/Section\022\031\n\n"
+          + "sort_order\030\002 \001(\005B\003\340A\001H\000\022Q\n"
+          + "\021relative_position\030\003"
+          + " \001(\0162/.google.chat.v1.PositionSectionRequest.PositionB\003\340A\001H\000\"8\n"
+          + "\010Position\022\030\n"
+          + "\024POSITION_UNSPECIFIED\020\000\022\t\n"
+          + "\005START\020\001\022\007\n"
+          + "\003END\020\002B\n\n"
+          + "\010position\"C\n"
+          + "\027PositionSectionResponse\022(\n"
+          + "\007section\030\001 \001(\0132\027.google.chat.v1.Section\"\224\001\n"
+          + "\027ListSectionItemsRequest\0223\n"
+          + "\006parent\030\001 \001(\tB#\340A\002\372A\035\n"
+          + "\033chat.googleapis.com/Section\022\026\n"
+          + "\tpage_size\030\002 \001(\005B\003\340A\001\022\027\n\n"
+          + "page_token\030\003 \001(\tB\003\340A\001\022\023\n"
+          + "\006filter\030\004 \001(\tB\003\340A\001\"g\n"
+          + "\030ListSectionItemsResponse\0222\n\r"
+          + "section_items\030\001 \003(\0132\033.google.chat.v1.SectionItem\022\027\n"
+          + "\017next_page_token\030\002 \001(\t\"\214\001\n"
+          + "\026MoveSectionItemRequest\0225\n"
+          + "\004name\030\001 \001(\tB\'\340A\002\372A!\n"
+          + "\037chat.googleapis.com/SectionItem\022;\n"
+          + "\016target_section\030\002 \001(\tB#\340A\002\372A\035\n"
+          + "\033chat.googleapis.com/Section\"L\n"
+          + "\027MoveSectionItemResponse\0221\n"
+          + "\014section_item\030\001 \001(\0132\033.google.chat.v1.SectionItemB\320\001\n"
+          + "\022com.google.chat.v1B\014SectionProtoP\001Z,c"
+          + "loud.google.com/go/chat/apiv1/chatpb;cha"
+          + "tpb\242\002\013DYNAPIProto\252\002\023Google.Apps.Chat.V1\312"
+          + "\002\023Google\\Apps\\Chat\\V1\352\002\026Google::Apps::Chat::V1\352A(\n"
+          + "\030chat.googleapis.com/User\022\014users/{user}b\006proto3"
+    };
+    descriptor =
+        com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
+            descriptorData,
+            new com.google.protobuf.Descriptors.FileDescriptor[] {
+              com.google.api.FieldBehaviorProto.getDescriptor(),
+              com.google.api.ResourceProto.getDescriptor(),
+              com.google.protobuf.FieldMaskProto.getDescriptor(),
+            });
+    internal_static_google_chat_v1_Section_descriptor = getDescriptor().getMessageType(0);
+    internal_static_google_chat_v1_Section_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_chat_v1_Section_descriptor,
+            new java.lang.String[] {
+              "Name", "DisplayName", "SortOrder", "Type",
+            });
+    internal_static_google_chat_v1_SectionItem_descriptor = getDescriptor().getMessageType(1);
+    internal_static_google_chat_v1_SectionItem_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_chat_v1_SectionItem_descriptor,
+            new java.lang.String[] {
+              "Name", "Space", "Item",
+            });
+    internal_static_google_chat_v1_CreateSectionRequest_descriptor =
+        getDescriptor().getMessageType(2);
+    internal_static_google_chat_v1_CreateSectionRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_chat_v1_CreateSectionRequest_descriptor,
+            new java.lang.String[] {
+              "Parent", "Section",
+            });
+    internal_static_google_chat_v1_DeleteSectionRequest_descriptor =
+        getDescriptor().getMessageType(3);
+    internal_static_google_chat_v1_DeleteSectionRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_chat_v1_DeleteSectionRequest_descriptor,
+            new java.lang.String[] {
+              "Name",
+            });
+    internal_static_google_chat_v1_UpdateSectionRequest_descriptor =
+        getDescriptor().getMessageType(4);
+    internal_static_google_chat_v1_UpdateSectionRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_chat_v1_UpdateSectionRequest_descriptor,
+            new java.lang.String[] {
+              "Section", "UpdateMask",
+            });
+    internal_static_google_chat_v1_ListSectionsRequest_descriptor =
+        getDescriptor().getMessageType(5);
+    internal_static_google_chat_v1_ListSectionsRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_chat_v1_ListSectionsRequest_descriptor,
+            new java.lang.String[] {
+              "Parent", "PageSize", "PageToken",
+            });
+    internal_static_google_chat_v1_ListSectionsResponse_descriptor =
+        getDescriptor().getMessageType(6);
+    internal_static_google_chat_v1_ListSectionsResponse_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_chat_v1_ListSectionsResponse_descriptor,
+            new java.lang.String[] {
+              "Sections", "NextPageToken",
+            });
+    internal_static_google_chat_v1_PositionSectionRequest_descriptor =
+        getDescriptor().getMessageType(7);
+    internal_static_google_chat_v1_PositionSectionRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_chat_v1_PositionSectionRequest_descriptor,
+            new java.lang.String[] {
+              "Name", "SortOrder", "RelativePosition", "Position",
+            });
+    internal_static_google_chat_v1_PositionSectionResponse_descriptor =
+        getDescriptor().getMessageType(8);
+    internal_static_google_chat_v1_PositionSectionResponse_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_chat_v1_PositionSectionResponse_descriptor,
+            new java.lang.String[] {
+              "Section",
+            });
+    internal_static_google_chat_v1_ListSectionItemsRequest_descriptor =
+        getDescriptor().getMessageType(9);
+    internal_static_google_chat_v1_ListSectionItemsRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_chat_v1_ListSectionItemsRequest_descriptor,
+            new java.lang.String[] {
+              "Parent", "PageSize", "PageToken", "Filter",
+            });
+    internal_static_google_chat_v1_ListSectionItemsResponse_descriptor =
+        getDescriptor().getMessageType(10);
+    internal_static_google_chat_v1_ListSectionItemsResponse_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_chat_v1_ListSectionItemsResponse_descriptor,
+            new java.lang.String[] {
+              "SectionItems", "NextPageToken",
+            });
+    internal_static_google_chat_v1_MoveSectionItemRequest_descriptor =
+        getDescriptor().getMessageType(11);
+    internal_static_google_chat_v1_MoveSectionItemRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_chat_v1_MoveSectionItemRequest_descriptor,
+            new java.lang.String[] {
+              "Name", "TargetSection",
+            });
+    internal_static_google_chat_v1_MoveSectionItemResponse_descriptor =
+        getDescriptor().getMessageType(12);
+    internal_static_google_chat_v1_MoveSectionItemResponse_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_chat_v1_MoveSectionItemResponse_descriptor,
+            new java.lang.String[] {
+              "SectionItem",
+            });
+    descriptor.resolveAllFeaturesImmutable();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.api.ResourceProto.getDescriptor();
+    com.google.protobuf.FieldMaskProto.getDescriptor();
+    com.google.protobuf.ExtensionRegistry registry =
+        com.google.protobuf.ExtensionRegistry.newInstance();
+    registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
+    registry.add(com.google.api.ResourceProto.resource);
+    registry.add(com.google.api.ResourceProto.resourceDefinition);
+    registry.add(com.google.api.ResourceProto.resourceReference);
+    com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
+        descriptor, registry);
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/UpdateSectionRequest.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/UpdateSectionRequest.java
new file mode 100644
index 000000000000..8e02e8a7878d
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/UpdateSectionRequest.java
@@ -0,0 +1,1024 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Request message for updating a section.
+ * </pre>
+ *
+ * Protobuf type {@code google.chat.v1.UpdateSectionRequest}
+ */
+@com.google.protobuf.Generated
+public final class UpdateSectionRequest extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.chat.v1.UpdateSectionRequest)
+    UpdateSectionRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "UpdateSectionRequest");
+  }
+
+  // Use UpdateSectionRequest.newBuilder() to construct.
+  private UpdateSectionRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private UpdateSectionRequest() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_UpdateSectionRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.chat.v1.SectionProto
+        .internal_static_google_chat_v1_UpdateSectionRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.chat.v1.UpdateSectionRequest.class,
+            com.google.chat.v1.UpdateSectionRequest.Builder.class);
+  }
+
+  private int bitField0_;
+  public static final int SECTION_FIELD_NUMBER = 1;
+  private com.google.chat.v1.Section section_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The section to update.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section section = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return Whether the section field is set.
+   */
+  @java.lang.Override
+  public boolean hasSection() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The section to update.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section section = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The section.
+   */
+  @java.lang.Override
+  public com.google.chat.v1.Section getSection() {
+    return section_ == null ? com.google.chat.v1.Section.getDefaultInstance() : section_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The section to update.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section section = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   */
+  @java.lang.Override
+  public com.google.chat.v1.SectionOrBuilder getSectionOrBuilder() {
+    return section_ == null ? com.google.chat.v1.Section.getDefaultInstance() : section_;
+  }
+
+  public static final int UPDATE_MASK_FIELD_NUMBER = 2;
+  private com.google.protobuf.FieldMask updateMask_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The mask to specify which fields to update.
+   *
+   * Currently supported field paths:
+   *
+   * - `display_name`
+   * </pre>
+   *
+   * <code>.google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return Whether the updateMask field is set.
+   */
+  @java.lang.Override
+  public boolean hasUpdateMask() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The mask to specify which fields to update.
+   *
+   * Currently supported field paths:
+   *
+   * - `display_name`
+   * </pre>
+   *
+   * <code>.google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The updateMask.
+   */
+  @java.lang.Override
+  public com.google.protobuf.FieldMask getUpdateMask() {
+    return updateMask_ == null ? com.google.protobuf.FieldMask.getDefaultInstance() : updateMask_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The mask to specify which fields to update.
+   *
+   * Currently supported field paths:
+   *
+   * - `display_name`
+   * </pre>
+   *
+   * <code>.google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
+    return updateMask_ == null ? com.google.protobuf.FieldMask.getDefaultInstance() : updateMask_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(1, getSection());
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(2, getUpdateMask());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getSection());
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getUpdateMask());
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.chat.v1.UpdateSectionRequest)) {
+      return super.equals(obj);
+    }
+    com.google.chat.v1.UpdateSectionRequest other = (com.google.chat.v1.UpdateSectionRequest) obj;
+
+    if (hasSection() != other.hasSection()) return false;
+    if (hasSection()) {
+      if (!getSection().equals(other.getSection())) return false;
+    }
+    if (hasUpdateMask() != other.hasUpdateMask()) return false;
+    if (hasUpdateMask()) {
+      if (!getUpdateMask().equals(other.getUpdateMask())) return false;
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasSection()) {
+      hash = (37 * hash) + SECTION_FIELD_NUMBER;
+      hash = (53 * hash) + getSection().hashCode();
+    }
+    if (hasUpdateMask()) {
+      hash = (37 * hash) + UPDATE_MASK_FIELD_NUMBER;
+      hash = (53 * hash) + getUpdateMask().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.chat.v1.UpdateSectionRequest parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.UpdateSectionRequest parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.UpdateSectionRequest parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.UpdateSectionRequest parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.UpdateSectionRequest parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.chat.v1.UpdateSectionRequest parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.UpdateSectionRequest parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.UpdateSectionRequest parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.UpdateSectionRequest parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.UpdateSectionRequest parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.chat.v1.UpdateSectionRequest parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.chat.v1.UpdateSectionRequest parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.chat.v1.UpdateSectionRequest prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Request message for updating a section.
+   * </pre>
+   *
+   * Protobuf type {@code google.chat.v1.UpdateSectionRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.chat.v1.UpdateSectionRequest)
+      com.google.chat.v1.UpdateSectionRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_UpdateSectionRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_UpdateSectionRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.chat.v1.UpdateSectionRequest.class,
+              com.google.chat.v1.UpdateSectionRequest.Builder.class);
+    }
+
+    // Construct using com.google.chat.v1.UpdateSectionRequest.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetSectionFieldBuilder();
+        internalGetUpdateMaskFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      section_ = null;
+      if (sectionBuilder_ != null) {
+        sectionBuilder_.dispose();
+        sectionBuilder_ = null;
+      }
+      updateMask_ = null;
+      if (updateMaskBuilder_ != null) {
+        updateMaskBuilder_.dispose();
+        updateMaskBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.chat.v1.SectionProto
+          .internal_static_google_chat_v1_UpdateSectionRequest_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.UpdateSectionRequest getDefaultInstanceForType() {
+      return com.google.chat.v1.UpdateSectionRequest.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.UpdateSectionRequest build() {
+      com.google.chat.v1.UpdateSectionRequest result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.chat.v1.UpdateSectionRequest buildPartial() {
+      com.google.chat.v1.UpdateSectionRequest result =
+          new com.google.chat.v1.UpdateSectionRequest(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.chat.v1.UpdateSectionRequest result) {
+      int from_bitField0_ = bitField0_;
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.section_ = sectionBuilder_ == null ? section_ : sectionBuilder_.build();
+        to_bitField0_ |= 0x00000001;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.updateMask_ = updateMaskBuilder_ == null ? updateMask_ : updateMaskBuilder_.build();
+        to_bitField0_ |= 0x00000002;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.chat.v1.UpdateSectionRequest) {
+        return mergeFrom((com.google.chat.v1.UpdateSectionRequest) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.chat.v1.UpdateSectionRequest other) {
+      if (other == com.google.chat.v1.UpdateSectionRequest.getDefaultInstance()) return this;
+      if (other.hasSection()) {
+        mergeSection(other.getSection());
+      }
+      if (other.hasUpdateMask()) {
+        mergeUpdateMask(other.getUpdateMask());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                input.readMessage(internalGetSectionFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 18:
+              {
+                input.readMessage(
+                    internalGetUpdateMaskFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.chat.v1.Section section_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.chat.v1.Section,
+            com.google.chat.v1.Section.Builder,
+            com.google.chat.v1.SectionOrBuilder>
+        sectionBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The section to update.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return Whether the section field is set.
+     */
+    public boolean hasSection() {
+      return ((bitField0_ & 0x00000001) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The section to update.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The section.
+     */
+    public com.google.chat.v1.Section getSection() {
+      if (sectionBuilder_ == null) {
+        return section_ == null ? com.google.chat.v1.Section.getDefaultInstance() : section_;
+      } else {
+        return sectionBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The section to update.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     */
+    public Builder setSection(com.google.chat.v1.Section value) {
+      if (sectionBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        section_ = value;
+      } else {
+        sectionBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The section to update.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     */
+    public Builder setSection(com.google.chat.v1.Section.Builder builderForValue) {
+      if (sectionBuilder_ == null) {
+        section_ = builderForValue.build();
+      } else {
+        sectionBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The section to update.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     */
+    public Builder mergeSection(com.google.chat.v1.Section value) {
+      if (sectionBuilder_ == null) {
+        if (((bitField0_ & 0x00000001) != 0)
+            && section_ != null
+            && section_ != com.google.chat.v1.Section.getDefaultInstance()) {
+          getSectionBuilder().mergeFrom(value);
+        } else {
+          section_ = value;
+        }
+      } else {
+        sectionBuilder_.mergeFrom(value);
+      }
+      if (section_ != null) {
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The section to update.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     */
+    public Builder clearSection() {
+      bitField0_ = (bitField0_ & ~0x00000001);
+      section_ = null;
+      if (sectionBuilder_ != null) {
+        sectionBuilder_.dispose();
+        sectionBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The section to update.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     */
+    public com.google.chat.v1.Section.Builder getSectionBuilder() {
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return internalGetSectionFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The section to update.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     */
+    public com.google.chat.v1.SectionOrBuilder getSectionOrBuilder() {
+      if (sectionBuilder_ != null) {
+        return sectionBuilder_.getMessageOrBuilder();
+      } else {
+        return section_ == null ? com.google.chat.v1.Section.getDefaultInstance() : section_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The section to update.
+     * </pre>
+     *
+     * <code>.google.chat.v1.Section section = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.chat.v1.Section,
+            com.google.chat.v1.Section.Builder,
+            com.google.chat.v1.SectionOrBuilder>
+        internalGetSectionFieldBuilder() {
+      if (sectionBuilder_ == null) {
+        sectionBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.chat.v1.Section,
+                com.google.chat.v1.Section.Builder,
+                com.google.chat.v1.SectionOrBuilder>(
+                getSection(), getParentForChildren(), isClean());
+        section_ = null;
+      }
+      return sectionBuilder_;
+    }
+
+    private com.google.protobuf.FieldMask updateMask_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.FieldMask,
+            com.google.protobuf.FieldMask.Builder,
+            com.google.protobuf.FieldMaskOrBuilder>
+        updateMaskBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The mask to specify which fields to update.
+     *
+     * Currently supported field paths:
+     *
+     * - `display_name`
+     * </pre>
+     *
+     * <code>.google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return Whether the updateMask field is set.
+     */
+    public boolean hasUpdateMask() {
+      return ((bitField0_ & 0x00000002) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The mask to specify which fields to update.
+     *
+     * Currently supported field paths:
+     *
+     * - `display_name`
+     * </pre>
+     *
+     * <code>.google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return The updateMask.
+     */
+    public com.google.protobuf.FieldMask getUpdateMask() {
+      if (updateMaskBuilder_ == null) {
+        return updateMask_ == null
+            ? com.google.protobuf.FieldMask.getDefaultInstance()
+            : updateMask_;
+      } else {
+        return updateMaskBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The mask to specify which fields to update.
+     *
+     * Currently supported field paths:
+     *
+     * - `display_name`
+     * </pre>
+     *
+     * <code>.google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder setUpdateMask(com.google.protobuf.FieldMask value) {
+      if (updateMaskBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        updateMask_ = value;
+      } else {
+        updateMaskBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The mask to specify which fields to update.
+     *
+     * Currently supported field paths:
+     *
+     * - `display_name`
+     * </pre>
+     *
+     * <code>.google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder setUpdateMask(com.google.protobuf.FieldMask.Builder builderForValue) {
+      if (updateMaskBuilder_ == null) {
+        updateMask_ = builderForValue.build();
+      } else {
+        updateMaskBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The mask to specify which fields to update.
+     *
+     * Currently supported field paths:
+     *
+     * - `display_name`
+     * </pre>
+     *
+     * <code>.google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder mergeUpdateMask(com.google.protobuf.FieldMask value) {
+      if (updateMaskBuilder_ == null) {
+        if (((bitField0_ & 0x00000002) != 0)
+            && updateMask_ != null
+            && updateMask_ != com.google.protobuf.FieldMask.getDefaultInstance()) {
+          getUpdateMaskBuilder().mergeFrom(value);
+        } else {
+          updateMask_ = value;
+        }
+      } else {
+        updateMaskBuilder_.mergeFrom(value);
+      }
+      if (updateMask_ != null) {
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The mask to specify which fields to update.
+     *
+     * Currently supported field paths:
+     *
+     * - `display_name`
+     * </pre>
+     *
+     * <code>.google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder clearUpdateMask() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      updateMask_ = null;
+      if (updateMaskBuilder_ != null) {
+        updateMaskBuilder_.dispose();
+        updateMaskBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The mask to specify which fields to update.
+     *
+     * Currently supported field paths:
+     *
+     * - `display_name`
+     * </pre>
+     *
+     * <code>.google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public com.google.protobuf.FieldMask.Builder getUpdateMaskBuilder() {
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return internalGetUpdateMaskFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The mask to specify which fields to update.
+     *
+     * Currently supported field paths:
+     *
+     * - `display_name`
+     * </pre>
+     *
+     * <code>.google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
+      if (updateMaskBuilder_ != null) {
+        return updateMaskBuilder_.getMessageOrBuilder();
+      } else {
+        return updateMask_ == null
+            ? com.google.protobuf.FieldMask.getDefaultInstance()
+            : updateMask_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The mask to specify which fields to update.
+     *
+     * Currently supported field paths:
+     *
+     * - `display_name`
+     * </pre>
+     *
+     * <code>.google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.FieldMask,
+            com.google.protobuf.FieldMask.Builder,
+            com.google.protobuf.FieldMaskOrBuilder>
+        internalGetUpdateMaskFieldBuilder() {
+      if (updateMaskBuilder_ == null) {
+        updateMaskBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.protobuf.FieldMask,
+                com.google.protobuf.FieldMask.Builder,
+                com.google.protobuf.FieldMaskOrBuilder>(
+                getUpdateMask(), getParentForChildren(), isClean());
+        updateMask_ = null;
+      }
+      return updateMaskBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.chat.v1.UpdateSectionRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.chat.v1.UpdateSectionRequest)
+  private static final com.google.chat.v1.UpdateSectionRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.chat.v1.UpdateSectionRequest();
+  }
+
+  public static com.google.chat.v1.UpdateSectionRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<UpdateSectionRequest> PARSER =
+      new com.google.protobuf.AbstractParser<UpdateSectionRequest>() {
+        @java.lang.Override
+        public UpdateSectionRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<UpdateSectionRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<UpdateSectionRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.chat.v1.UpdateSectionRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/UpdateSectionRequestOrBuilder.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/UpdateSectionRequestOrBuilder.java
new file mode 100644
index 000000000000..5ccbbbb41a95
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/UpdateSectionRequestOrBuilder.java
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/chat/v1/section.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.chat.v1;
+
+@com.google.protobuf.Generated
+public interface UpdateSectionRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.chat.v1.UpdateSectionRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The section to update.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section section = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return Whether the section field is set.
+   */
+  boolean hasSection();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The section to update.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section section = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The section.
+   */
+  com.google.chat.v1.Section getSection();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The section to update.
+   * </pre>
+   *
+   * <code>.google.chat.v1.Section section = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   */
+  com.google.chat.v1.SectionOrBuilder getSectionOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The mask to specify which fields to update.
+   *
+   * Currently supported field paths:
+   *
+   * - `display_name`
+   * </pre>
+   *
+   * <code>.google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return Whether the updateMask field is set.
+   */
+  boolean hasUpdateMask();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The mask to specify which fields to update.
+   *
+   * Currently supported field paths:
+   *
+   * - `display_name`
+   * </pre>
+   *
+   * <code>.google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The updateMask.
+   */
+  com.google.protobuf.FieldMask getUpdateMask();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The mask to specify which fields to update.
+   *
+   * Currently supported field paths:
+   *
+   * - `display_name`
+   * </pre>
+   *
+   * <code>.google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder();
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/UserName.java b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/UserName.java
new file mode 100644
index 000000000000..87e915cc1b55
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/java/com/google/chat/v1/UserName.java
@@ -0,0 +1,166 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1;
+
+import com.google.api.pathtemplate.PathTemplate;
+import com.google.api.resourcenames.ResourceName;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableMap;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import javax.annotation.Generated;
+
+// AUTO-GENERATED DOCUMENTATION AND CLASS.
+@Generated("by gapic-generator-java")
+public class UserName implements ResourceName {
+  private static final PathTemplate USER = PathTemplate.createWithoutUrlEncoding("users/{user}");
+  private volatile Map<String, String> fieldValuesMap;
+  private final String user;
+
+  @Deprecated
+  protected UserName() {
+    user = null;
+  }
+
+  private UserName(Builder builder) {
+    user = Preconditions.checkNotNull(builder.getUser());
+  }
+
+  public String getUser() {
+    return user;
+  }
+
+  public static Builder newBuilder() {
+    return new Builder();
+  }
+
+  public Builder toBuilder() {
+    return new Builder(this);
+  }
+
+  public static UserName of(String user) {
+    return newBuilder().setUser(user).build();
+  }
+
+  public static String format(String user) {
+    return newBuilder().setUser(user).build().toString();
+  }
+
+  public static UserName parse(String formattedString) {
+    if (formattedString.isEmpty()) {
+      return null;
+    }
+    Map<String, String> matchMap =
+        USER.validatedMatch(formattedString, "UserName.parse: formattedString not in valid format");
+    return of(matchMap.get("user"));
+  }
+
+  public static List<UserName> parseList(List<String> formattedStrings) {
+    List<UserName> list = new ArrayList<>(formattedStrings.size());
+    for (String formattedString : formattedStrings) {
+      list.add(parse(formattedString));
+    }
+    return list;
+  }
+
+  public static List<String> toStringList(List<UserName> values) {
+    List<String> list = new ArrayList<>(values.size());
+    for (UserName value : values) {
+      if (value == null) {
+        list.add("");
+      } else {
+        list.add(value.toString());
+      }
+    }
+    return list;
+  }
+
+  public static boolean isParsableFrom(String formattedString) {
+    return USER.matches(formattedString);
+  }
+
+  @Override
+  public Map<String, String> getFieldValuesMap() {
+    if (fieldValuesMap == null) {
+      synchronized (this) {
+        if (fieldValuesMap == null) {
+          ImmutableMap.Builder<String, String> fieldMapBuilder = ImmutableMap.builder();
+          if (user != null) {
+            fieldMapBuilder.put("user", user);
+          }
+          fieldValuesMap = fieldMapBuilder.build();
+        }
+      }
+    }
+    return fieldValuesMap;
+  }
+
+  public String getFieldValue(String fieldName) {
+    return getFieldValuesMap().get(fieldName);
+  }
+
+  @Override
+  public String toString() {
+    return USER.instantiate("user", user);
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (o == this) {
+      return true;
+    }
+    if (o != null && getClass() == o.getClass()) {
+      UserName that = ((UserName) o);
+      return Objects.equals(this.user, that.user);
+    }
+    return false;
+  }
+
+  @Override
+  public int hashCode() {
+    int h = 1;
+    h *= 1000003;
+    h ^= Objects.hashCode(user);
+    return h;
+  }
+
+  /** Builder for users/{user}. */
+  public static class Builder {
+    private String user;
+
+    protected Builder() {}
+
+    public String getUser() {
+      return user;
+    }
+
+    public Builder setUser(String user) {
+      this.user = user;
+      return this;
+    }
+
+    private Builder(UserName userName) {
+      this.user = userName.user;
+    }
+
+    public UserName build() {
+      return new UserName(this);
+    }
+  }
+}
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/proto/google/chat/v1/chat_service.proto b/java-chat/proto-google-cloud-chat-v1/src/main/proto/google/chat/v1/chat_service.proto
index 9bd027c25760..afc37c0bbced 100644
--- a/java-chat/proto-google-cloud-chat-v1/src/main/proto/google/chat/v1/chat_service.proto
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/proto/google/chat/v1/chat_service.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -22,6 +22,7 @@ import "google/chat/v1/attachment.proto";
 import "google/chat/v1/membership.proto";
 import "google/chat/v1/message.proto";
 import "google/chat/v1/reaction.proto";
+import "google/chat/v1/section.proto";
 import "google/chat/v1/space.proto";
 import "google/chat/v1/space_event.proto";
 import "google/chat/v1/space_notification_setting.proto";
@@ -51,9 +52,11 @@ service ChatService {
       "https://www.googleapis.com/auth/chat.admin.spaces.readonly,"
       "https://www.googleapis.com/auth/chat.app.delete,"
       "https://www.googleapis.com/auth/chat.app.memberships,"
+      "https://www.googleapis.com/auth/chat.app.memberships.readonly,"
       "https://www.googleapis.com/auth/chat.app.messages.readonly,"
       "https://www.googleapis.com/auth/chat.app.spaces,"
       "https://www.googleapis.com/auth/chat.app.spaces.create,"
+      "https://www.googleapis.com/auth/chat.app.spaces.readonly,"
       "https://www.googleapis.com/auth/chat.bot,"
       "https://www.googleapis.com/auth/chat.customemojis,"
       "https://www.googleapis.com/auth/chat.customemojis.readonly,"
@@ -73,6 +76,8 @@ service ChatService {
       "https://www.googleapis.com/auth/chat.spaces.readonly,"
       "https://www.googleapis.com/auth/chat.users.readstate,"
       "https://www.googleapis.com/auth/chat.users.readstate.readonly,"
+      "https://www.googleapis.com/auth/chat.users.sections,"
+      "https://www.googleapis.com/auth/chat.users.sections.readonly,"
       "https://www.googleapis.com/auth/chat.users.spacesettings";
 
   // Creates a message in a Google Chat space. For an example, see [Send a
@@ -142,9 +147,8 @@ service ChatService {
   // - [App
   // authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
   // with [administrator
-  // approval](https://support.google.com/a?p=chat-app-auth) in
-  // [Developer Preview](https://developers.google.com/workspace/preview)
-  //  with the authorization scope:
+  // approval](https://support.google.com/a?p=chat-app-auth)
+  // with the authorization scope:
   //     - `https://www.googleapis.com/auth/chat.app.messages.readonly`. When
   //     using this authentication scope, this method only returns public
   //     messages in a space. It doesn't include private messages.
@@ -253,8 +257,7 @@ service ChatService {
   //     that invoke the Chat app.
   //     - `https://www.googleapis.com/auth/chat.app.messages.readonly`
   //     with [administrator
-  //     approval](https://support.google.com/a?p=chat-app-auth) (available in
-  //     [Developer Preview](https://developers.google.com/workspace/preview)).
+  //     approval](https://support.google.com/a?p=chat-app-auth).
   //     When using this authentication scope,
   //     this method returns details about a public message in a space.
   //
@@ -1074,12 +1077,13 @@ service ChatService {
   // - [App
   // authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
   // with [administrator
-  // approval](https://support.google.com/a?p=chat-app-auth) in
-  // [Developer Preview](https://developers.google.com/workspace/preview)
-  //  with one of the following authorization scopes:
+  // approval](https://support.google.com/a?p=chat-app-auth)
+  // with one of the following authorization scopes:
   //     - `https://www.googleapis.com/auth/chat.app.spaces`
+  //     - `https://www.googleapis.com/auth/chat.app.spaces.readonly`
   //     - `https://www.googleapis.com/auth/chat.app.messages.readonly`
   //     - `https://www.googleapis.com/auth/chat.app.memberships`
+  //     - `https://www.googleapis.com/auth/chat.app.memberships.readonly`
   //
   // - [User
   // authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -1123,12 +1127,13 @@ service ChatService {
   // - [App
   // authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app)
   // with [administrator
-  // approval](https://support.google.com/a?p=chat-app-auth) in
-  // [Developer Preview](https://developers.google.com/workspace/preview)
-  //  with one of the following authorization scopes:
+  // approval](https://support.google.com/a?p=chat-app-auth)
+  // with one of the following authorization scopes:
   //     - `https://www.googleapis.com/auth/chat.app.spaces`
+  //     - `https://www.googleapis.com/auth/chat.app.spaces.readonly`
   //     - `https://www.googleapis.com/auth/chat.app.messages.readonly`
   //     - `https://www.googleapis.com/auth/chat.app.memberships`
+  //     - `https://www.googleapis.com/auth/chat.app.memberships.readonly`
   //
   // - [User
   // authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
@@ -1191,4 +1196,139 @@ service ChatService {
     option (google.api.method_signature) =
         "space_notification_setting,update_mask";
   }
+
+  // Creates a section in Google Chat. Sections help users group conversations
+  // and customize the list of spaces displayed in Chat navigation panel. Only
+  // sections of type `CUSTOM_SECTION` can be created. For details, see [Create
+  // and organize sections in Google
+  // Chat](https://support.google.com/chat/answer/16059854).
+  //
+  // Requires [user
+  // authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+  // with the [authorization
+  // scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+  //
+  //   - `https://www.googleapis.com/auth/chat.users.sections`
+  rpc CreateSection(CreateSectionRequest) returns (Section) {
+    option (google.api.http) = {
+      post: "/v1/{parent=users/*}/sections"
+      body: "section"
+    };
+    option (google.api.method_signature) = "parent,section";
+  }
+
+  // Deletes a section of type `CUSTOM_SECTION`.
+  //
+  // If the section contains items, such as spaces, the items are moved to
+  // Google Chat's default sections and are not deleted.
+  //
+  // For details, see [Create and organize sections in Google
+  // Chat](https://support.google.com/chat/answer/16059854).
+  //
+  // Requires [user
+  // authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+  // with the [authorization
+  // scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+  //
+  //   - `https://www.googleapis.com/auth/chat.users.sections`
+  rpc DeleteSection(DeleteSectionRequest) returns (google.protobuf.Empty) {
+    option (google.api.http) = {
+      delete: "/v1/{name=users/*/sections/*}"
+    };
+    option (google.api.method_signature) = "name";
+  }
+
+  // Updates a section. Only sections of type `CUSTOM_SECTION` can be updated.
+  // For details, see [Create and organize sections in Google
+  // Chat](https://support.google.com/chat/answer/16059854).
+  //
+  // Requires [user
+  // authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+  // with the [authorization
+  // scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+  //
+  //   - `https://www.googleapis.com/auth/chat.users.sections`
+  rpc UpdateSection(UpdateSectionRequest) returns (Section) {
+    option (google.api.http) = {
+      patch: "/v1/{section.name=users/*/sections/*}"
+      body: "section"
+    };
+    option (google.api.method_signature) = "section,update_mask";
+  }
+
+  // Lists sections available to the Chat user. Sections help users group their
+  // conversations and customize the list of spaces displayed in Chat
+  // navigation panel. For details, see [Create and organize sections in Google
+  // Chat](https://support.google.com/chat/answer/16059854).
+  //
+  // Requires [user
+  // authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+  // with the [authorization
+  // scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+  //
+  //   - `https://www.googleapis.com/auth/chat.users.sections`
+  //   - `https://www.googleapis.com/auth/chat.users.sections.readonly`
+  rpc ListSections(ListSectionsRequest) returns (ListSectionsResponse) {
+    option (google.api.http) = {
+      get: "/v1/{parent=users/*}/sections"
+    };
+    option (google.api.method_signature) = "parent";
+  }
+
+  // Changes the sort order of a section. For details, see [Create and organize
+  // sections in Google Chat](https://support.google.com/chat/answer/16059854).
+  //
+  // Requires [user
+  // authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+  // with the [authorization
+  // scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+  //
+  //   - `https://www.googleapis.com/auth/chat.users.sections`
+  rpc PositionSection(PositionSectionRequest)
+      returns (PositionSectionResponse) {
+    option (google.api.http) = {
+      post: "/v1/{name=users/*/sections/*}:position"
+      body: "*"
+    };
+  }
+
+  // Lists items in a section.
+  //
+  // Only spaces can be section items. For details, see [Create and organize
+  // sections in Google Chat](https://support.google.com/chat/answer/16059854).
+  //
+  // Requires [user
+  // authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+  // with the [authorization
+  // scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+  //
+  //   - `https://www.googleapis.com/auth/chat.users.sections`
+  //   - `https://www.googleapis.com/auth/chat.users.sections.readonly`
+  rpc ListSectionItems(ListSectionItemsRequest)
+      returns (ListSectionItemsResponse) {
+    option (google.api.http) = {
+      get: "/v1/{parent=users/*/sections/*}/items"
+    };
+    option (google.api.method_signature) = "parent";
+  }
+
+  // Moves an item from one section to another. For example, if a section
+  // contains spaces, this method can be used to move a space to a different
+  // section. For details, see [Create and organize sections in Google
+  // Chat](https://support.google.com/chat/answer/16059854).
+  //
+  // Requires [user
+  // authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user)
+  // with the [authorization
+  // scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes):
+  //
+  //   - `https://www.googleapis.com/auth/chat.users.sections`
+  rpc MoveSectionItem(MoveSectionItemRequest)
+      returns (MoveSectionItemResponse) {
+    option (google.api.http) = {
+      post: "/v1/{name=users/*/sections/*/items/*}:move"
+      body: "*"
+    };
+    option (google.api.method_signature) = "name,target_section";
+  }
 }
diff --git a/java-chat/proto-google-cloud-chat-v1/src/main/proto/google/chat/v1/section.proto b/java-chat/proto-google-cloud-chat-v1/src/main/proto/google/chat/v1/section.proto
new file mode 100644
index 000000000000..2fdbf2e5c0b4
--- /dev/null
+++ b/java-chat/proto-google-cloud-chat-v1/src/main/proto/google/chat/v1/section.proto
@@ -0,0 +1,344 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.chat.v1;
+
+import "google/api/field_behavior.proto";
+import "google/api/resource.proto";
+import "google/protobuf/field_mask.proto";
+
+option csharp_namespace = "Google.Apps.Chat.V1";
+option go_package = "cloud.google.com/go/chat/apiv1/chatpb;chatpb";
+option java_multiple_files = true;
+option java_outer_classname = "SectionProto";
+option java_package = "com.google.chat.v1";
+option objc_class_prefix = "DYNAPIProto";
+option php_namespace = "Google\\Apps\\Chat\\V1";
+option ruby_package = "Google::Apps::Chat::V1";
+option (google.api.resource_definition) = {
+  type: "chat.googleapis.com/User"
+  pattern: "users/{user}"
+};
+
+// Represents a [section](https://support.google.com/chat/answer/16059854) in
+// Google Chat. Sections help users organize their spaces. There are two types
+// of sections:
+//
+// 1.  **System Sections:** These are predefined sections managed by Google
+// Chat.
+//     Their resource names are fixed, and they cannot be created, deleted, or
+//     have their `display_name` modified. Examples include:
+//     *   `users/{user}/sections/default-direct-messages`
+//     *   `users/{user}/sections/default-spaces`
+//     *   `users/{user}/sections/default-apps`
+//
+// 2.  **Custom Sections:** These are sections created and managed by the user.
+//     Creating a custom section using `CreateSection` **requires** a
+//     `display_name`. Custom sections can be updated using `UpdateSection` and
+//     deleted using `DeleteSection`.
+message Section {
+  option (google.api.resource) = {
+    type: "chat.googleapis.com/Section"
+    pattern: "users/{user}/sections/{section}"
+    plural: "sections"
+    singular: "section"
+  };
+
+  // Section types.
+  enum SectionType {
+    // Unspecified section type.
+    SECTION_TYPE_UNSPECIFIED = 0;
+
+    // Custom section.
+    CUSTOM_SECTION = 1;
+
+    // Default section containing
+    // [DIRECT_MESSAGE](https://developers.google.com/workspace/chat/api/reference/rest/v1/spaces#spacetype)
+    // between two human users or
+    // [GROUP_CHAT](https://developers.google.com/workspace/chat/api/reference/rest/v1/spaces#spacetype)
+    // spaces that don't belong to any custom section.
+    DEFAULT_DIRECT_MESSAGES = 2;
+
+    // Default spaces that don't belong to any custom section.
+    DEFAULT_SPACES = 3;
+
+    // Default section containing a user's installed apps.
+    DEFAULT_APPS = 6;
+  }
+
+  // Identifier. Resource name of the section.
+  //
+  // For system sections, the section ID is a constant string:
+  //
+  // - DEFAULT_DIRECT_MESSAGES: `users/{user}/sections/default-direct-messages`
+  // - DEFAULT_SPACES: `users/{user}/sections/default-spaces`
+  // - DEFAULT_APPS: `users/{user}/sections/default-apps`
+  //
+  // Format: `users/{user}/sections/{section}`
+  string name = 1 [(google.api.field_behavior) = IDENTIFIER];
+
+  // Optional. The section's display name. Only populated for sections of type
+  // `CUSTOM_SECTION`. Supports up to 80 characters. Required when creating a
+  // `CUSTOM_SECTION`.
+  string display_name = 2 [(google.api.field_behavior) = OPTIONAL];
+
+  // Output only. The order of the section in relation to other sections.
+  // Sections with a lower `sort_order` value appear before sections with a
+  // higher value.
+  int32 sort_order = 3;
+
+  // Required. The type of the section.
+  SectionType type = 4 [(google.api.field_behavior) = REQUIRED];
+}
+
+// A user's defined section item. This is used to represent section items, such
+// as spaces, grouped under a section.
+message SectionItem {
+  option (google.api.resource) = {
+    type: "chat.googleapis.com/SectionItem"
+    pattern: "users/{user}/sections/{section}/items/{item}"
+    plural: "sectionItems"
+    singular: "sectionItem"
+  };
+
+  // Identifier. The resource name of the section item.
+  //
+  // Format: `users/{user}/sections/{section}/items/{item}`
+  string name = 1 [(google.api.field_behavior) = IDENTIFIER];
+
+  // Required. The section item.
+  oneof item {
+    // Optional. The space resource name.
+    //
+    // Format: `spaces/{space}`
+    string space = 2 [
+      (google.api.field_behavior) = OPTIONAL,
+      (google.api.resource_reference) = { type: "chat.googleapis.com/Space" }
+    ];
+  }
+}
+
+// Request message for creating a section.
+message CreateSectionRequest {
+  // Required. The parent resource name where the section is created.
+  //
+  // Format: `users/{user}`
+  string parent = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = { type: "chat.googleapis.com/User" }
+  ];
+
+  // Required. The section to create.
+  Section section = 2 [(google.api.field_behavior) = REQUIRED];
+}
+
+// Request message for deleting a section.
+// [Developer Preview](https://developers.google.com/workspace/preview).
+message DeleteSectionRequest {
+  // Required. The name of the section to delete.
+  //
+  // Format: `users/{user}/sections/{section}`
+  string name = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = { type: "chat.googleapis.com/Section" }
+  ];
+}
+
+// Request message for updating a section.
+message UpdateSectionRequest {
+  // Required. The section to update.
+  Section section = 1 [(google.api.field_behavior) = REQUIRED];
+
+  // Required. The mask to specify which fields to update.
+  //
+  // Currently supported field paths:
+  //
+  // - `display_name`
+  google.protobuf.FieldMask update_mask = 2
+      [(google.api.field_behavior) = REQUIRED];
+}
+
+// Request message for listing sections.
+message ListSectionsRequest {
+  // Required. The parent, which is the user resource name that owns this
+  // collection of sections. Only supports listing sections for the calling
+  // user. To refer to the calling user, set one of the following:
+  //
+  // - The `me` alias. For example, `users/me`.
+  //
+  // - Their Workspace email address. For example, `users/user@example.com`.
+  //
+  // - Their user id. For example, `users/123456789`.
+  //
+  // Format: `users/{user}`
+  string parent = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = { type: "chat.googleapis.com/User" }
+  ];
+
+  // Optional. The maximum number of sections to return. The service may return
+  // fewer than this value.
+  //
+  // If unspecified, at most 10 sections will be returned.
+  //
+  // The maximum value is 100. If you use a value more than 100, it's
+  // automatically changed to 100.
+  //
+  // Negative values return an `INVALID_ARGUMENT` error.
+  int32 page_size = 2 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. A page token, received from a previous list sections call.
+  // Provide this to retrieve the subsequent page.
+  //
+  // When paginating, all other parameters provided should match the call that
+  // provided the page token. Passing different values to the other parameters
+  // might lead to unexpected results.
+  string page_token = 3 [(google.api.field_behavior) = OPTIONAL];
+}
+
+// Response message for listing sections.
+message ListSectionsResponse {
+  // The sections from the specified user.
+  repeated Section sections = 1;
+
+  // A token, which can be sent as `page_token` to retrieve the next page.
+  // If this field is omitted, there are no subsequent pages.
+  string next_page_token = 2;
+}
+
+// Request message for positioning a section.
+message PositionSectionRequest {
+  // The position of the section.
+  enum Position {
+    // Unspecified position.
+    POSITION_UNSPECIFIED = 0;
+
+    // Start of the list of sections.
+    START = 1;
+
+    // End of the list of sections.
+    END = 2;
+  }
+
+  // Required. The resource name of the section to position.
+  //
+  // Format: `users/{user}/sections/{section}`
+  string name = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = { type: "chat.googleapis.com/Section" }
+  ];
+
+  // Required. The new position of the section.
+  oneof position {
+    // Optional. The absolute position of the section in the list of sections.
+    // The position must be greater than 0. If the position is greater than the
+    // number of sections, the section will be appended to the end of the list.
+    // This operation inserts the section at the given position and shifts the
+    // original section at that position, and those below it, to the next
+    // position.
+    int32 sort_order = 2 [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. The relative position of the section in the list of sections.
+    Position relative_position = 3 [(google.api.field_behavior) = OPTIONAL];
+  }
+}
+
+// Response message for positioning a section.
+message PositionSectionResponse {
+  // The updated section.
+  Section section = 1;
+}
+
+// Request message for listing section items.
+message ListSectionItemsRequest {
+  // Required. The parent, which is the section resource name that owns this
+  // collection of section items. Only supports listing section items for the
+  // calling user.
+  //
+  // When you're filtering by space, use the wildcard `-` to search across all
+  // sections. For example, `users/{user}/sections/-`.
+  //
+  // Format: `users/{user}/sections/{section}`
+  string parent = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = { type: "chat.googleapis.com/Section" }
+  ];
+
+  // Optional. The maximum number of section items to return. The service may
+  // return fewer than this value.
+  //
+  // If unspecified, at most 10 section items will be returned.
+  //
+  // The maximum value is 100. If you use a value more than 100, it's
+  // automatically changed to 100.
+  //
+  // Negative values return an `INVALID_ARGUMENT` error.
+  int32 page_size = 2 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. A page token, received from a previous list section items call.
+  // Provide this to retrieve the subsequent page.
+  //
+  // When paginating, all other parameters provided should match the call that
+  // provided the page token. Passing different values to the other parameters
+  // might lead to unexpected results.
+  string page_token = 3 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. A query filter.
+  //
+  // Currently only supports filtering by space.
+  //
+  // For example, `space = spaces/{space}`.
+  //
+  // Invalid queries are rejected with an `INVALID_ARGUMENT` error.
+  string filter = 4 [(google.api.field_behavior) = OPTIONAL];
+}
+
+// Response message for listing section items.
+message ListSectionItemsResponse {
+  // The section items from the specified section.
+  repeated SectionItem section_items = 1;
+
+  // A token, which can be sent as `page_token` to retrieve the next page. If
+  // this field is omitted, there are no subsequent pages.
+  string next_page_token = 2;
+}
+
+// Request message for moving a section item across sections.
+message MoveSectionItemRequest {
+  // Required. The resource name of the section item to move.
+  //
+  // Format: `users/{user}/sections/{section}/items/{item}`
+  string name = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "chat.googleapis.com/SectionItem"
+    }
+  ];
+
+  // Required. The resource name of the section to move the section item to.
+  //
+  // Format: `users/{user}/sections/{section}`
+  string target_section = 2 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = { type: "chat.googleapis.com/Section" }
+  ];
+}
+
+// Response message for moving a section item.
+message MoveSectionItemResponse {
+  // The updated section item.
+  SectionItem section_item = 1;
+}
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/createsection/AsyncCreateSection.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/createsection/AsyncCreateSection.java
new file mode 100644
index 000000000000..c193ccaacbd5
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/createsection/AsyncCreateSection.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_CreateSection_async]
+import com.google.api.core.ApiFuture;
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.CreateSectionRequest;
+import com.google.chat.v1.Section;
+import com.google.chat.v1.UserName;
+
+public class AsyncCreateSection {
+
+  public static void main(String[] args) throws Exception {
+    asyncCreateSection();
+  }
+
+  public static void asyncCreateSection() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      CreateSectionRequest request =
+          CreateSectionRequest.newBuilder()
+              .setParent(UserName.of("[USER]").toString())
+              .setSection(Section.newBuilder().build())
+              .build();
+      ApiFuture<Section> future = chatServiceClient.createSectionCallable().futureCall(request);
+      // Do something.
+      Section response = future.get();
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_CreateSection_async]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/createsection/SyncCreateSection.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/createsection/SyncCreateSection.java
new file mode 100644
index 000000000000..887fd9f7e37e
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/createsection/SyncCreateSection.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_CreateSection_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.CreateSectionRequest;
+import com.google.chat.v1.Section;
+import com.google.chat.v1.UserName;
+
+public class SyncCreateSection {
+
+  public static void main(String[] args) throws Exception {
+    syncCreateSection();
+  }
+
+  public static void syncCreateSection() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      CreateSectionRequest request =
+          CreateSectionRequest.newBuilder()
+              .setParent(UserName.of("[USER]").toString())
+              .setSection(Section.newBuilder().build())
+              .build();
+      Section response = chatServiceClient.createSection(request);
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_CreateSection_sync]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/createsection/SyncCreateSectionStringSection.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/createsection/SyncCreateSectionStringSection.java
new file mode 100644
index 000000000000..aad2629de4db
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/createsection/SyncCreateSectionStringSection.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_CreateSection_StringSection_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.Section;
+import com.google.chat.v1.UserName;
+
+public class SyncCreateSectionStringSection {
+
+  public static void main(String[] args) throws Exception {
+    syncCreateSectionStringSection();
+  }
+
+  public static void syncCreateSectionStringSection() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      String parent = UserName.of("[USER]").toString();
+      Section section = Section.newBuilder().build();
+      Section response = chatServiceClient.createSection(parent, section);
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_CreateSection_StringSection_sync]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/createsection/SyncCreateSectionUsernameSection.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/createsection/SyncCreateSectionUsernameSection.java
new file mode 100644
index 000000000000..512209ec7ae6
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/createsection/SyncCreateSectionUsernameSection.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_CreateSection_UsernameSection_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.Section;
+import com.google.chat.v1.UserName;
+
+public class SyncCreateSectionUsernameSection {
+
+  public static void main(String[] args) throws Exception {
+    syncCreateSectionUsernameSection();
+  }
+
+  public static void syncCreateSectionUsernameSection() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      UserName parent = UserName.of("[USER]");
+      Section section = Section.newBuilder().build();
+      Section response = chatServiceClient.createSection(parent, section);
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_CreateSection_UsernameSection_sync]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/deletesection/AsyncDeleteSection.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/deletesection/AsyncDeleteSection.java
new file mode 100644
index 000000000000..8807c4f51b4c
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/deletesection/AsyncDeleteSection.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_DeleteSection_async]
+import com.google.api.core.ApiFuture;
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.DeleteSectionRequest;
+import com.google.chat.v1.SectionName;
+import com.google.protobuf.Empty;
+
+public class AsyncDeleteSection {
+
+  public static void main(String[] args) throws Exception {
+    asyncDeleteSection();
+  }
+
+  public static void asyncDeleteSection() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      DeleteSectionRequest request =
+          DeleteSectionRequest.newBuilder()
+              .setName(SectionName.of("[USER]", "[SECTION]").toString())
+              .build();
+      ApiFuture<Empty> future = chatServiceClient.deleteSectionCallable().futureCall(request);
+      // Do something.
+      future.get();
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_DeleteSection_async]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/deletesection/SyncDeleteSection.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/deletesection/SyncDeleteSection.java
new file mode 100644
index 000000000000..1ec023118d74
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/deletesection/SyncDeleteSection.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_DeleteSection_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.DeleteSectionRequest;
+import com.google.chat.v1.SectionName;
+import com.google.protobuf.Empty;
+
+public class SyncDeleteSection {
+
+  public static void main(String[] args) throws Exception {
+    syncDeleteSection();
+  }
+
+  public static void syncDeleteSection() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      DeleteSectionRequest request =
+          DeleteSectionRequest.newBuilder()
+              .setName(SectionName.of("[USER]", "[SECTION]").toString())
+              .build();
+      chatServiceClient.deleteSection(request);
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_DeleteSection_sync]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/deletesection/SyncDeleteSectionSectionname.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/deletesection/SyncDeleteSectionSectionname.java
new file mode 100644
index 000000000000..82bd1dbb2b47
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/deletesection/SyncDeleteSectionSectionname.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_DeleteSection_Sectionname_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.SectionName;
+import com.google.protobuf.Empty;
+
+public class SyncDeleteSectionSectionname {
+
+  public static void main(String[] args) throws Exception {
+    syncDeleteSectionSectionname();
+  }
+
+  public static void syncDeleteSectionSectionname() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      SectionName name = SectionName.of("[USER]", "[SECTION]");
+      chatServiceClient.deleteSection(name);
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_DeleteSection_Sectionname_sync]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/deletesection/SyncDeleteSectionString.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/deletesection/SyncDeleteSectionString.java
new file mode 100644
index 000000000000..ac3026042f63
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/deletesection/SyncDeleteSectionString.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_DeleteSection_String_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.SectionName;
+import com.google.protobuf.Empty;
+
+public class SyncDeleteSectionString {
+
+  public static void main(String[] args) throws Exception {
+    syncDeleteSectionString();
+  }
+
+  public static void syncDeleteSectionString() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      String name = SectionName.of("[USER]", "[SECTION]").toString();
+      chatServiceClient.deleteSection(name);
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_DeleteSection_String_sync]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsectionitems/AsyncListSectionItems.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsectionitems/AsyncListSectionItems.java
new file mode 100644
index 000000000000..669be8b46fb8
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsectionitems/AsyncListSectionItems.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_ListSectionItems_async]
+import com.google.api.core.ApiFuture;
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.ListSectionItemsRequest;
+import com.google.chat.v1.SectionItem;
+import com.google.chat.v1.SectionName;
+
+public class AsyncListSectionItems {
+
+  public static void main(String[] args) throws Exception {
+    asyncListSectionItems();
+  }
+
+  public static void asyncListSectionItems() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      ListSectionItemsRequest request =
+          ListSectionItemsRequest.newBuilder()
+              .setParent(SectionName.of("[USER]", "[SECTION]").toString())
+              .setPageSize(883849137)
+              .setPageToken("pageToken873572522")
+              .setFilter("filter-1274492040")
+              .build();
+      ApiFuture<SectionItem> future =
+          chatServiceClient.listSectionItemsPagedCallable().futureCall(request);
+      // Do something.
+      for (SectionItem element : future.get().iterateAll()) {
+        // doThingsWith(element);
+      }
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_ListSectionItems_async]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsectionitems/AsyncListSectionItemsPaged.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsectionitems/AsyncListSectionItemsPaged.java
new file mode 100644
index 000000000000..59d85345af44
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsectionitems/AsyncListSectionItemsPaged.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_ListSectionItems_Paged_async]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.ListSectionItemsRequest;
+import com.google.chat.v1.ListSectionItemsResponse;
+import com.google.chat.v1.SectionItem;
+import com.google.chat.v1.SectionName;
+import com.google.common.base.Strings;
+
+public class AsyncListSectionItemsPaged {
+
+  public static void main(String[] args) throws Exception {
+    asyncListSectionItemsPaged();
+  }
+
+  public static void asyncListSectionItemsPaged() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      ListSectionItemsRequest request =
+          ListSectionItemsRequest.newBuilder()
+              .setParent(SectionName.of("[USER]", "[SECTION]").toString())
+              .setPageSize(883849137)
+              .setPageToken("pageToken873572522")
+              .setFilter("filter-1274492040")
+              .build();
+      while (true) {
+        ListSectionItemsResponse response =
+            chatServiceClient.listSectionItemsCallable().call(request);
+        for (SectionItem element : response.getSectionItemsList()) {
+          // doThingsWith(element);
+        }
+        String nextPageToken = response.getNextPageToken();
+        if (!Strings.isNullOrEmpty(nextPageToken)) {
+          request = request.toBuilder().setPageToken(nextPageToken).build();
+        } else {
+          break;
+        }
+      }
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_ListSectionItems_Paged_async]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsectionitems/SyncListSectionItems.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsectionitems/SyncListSectionItems.java
new file mode 100644
index 000000000000..dd87451d5c33
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsectionitems/SyncListSectionItems.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_ListSectionItems_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.ListSectionItemsRequest;
+import com.google.chat.v1.SectionItem;
+import com.google.chat.v1.SectionName;
+
+public class SyncListSectionItems {
+
+  public static void main(String[] args) throws Exception {
+    syncListSectionItems();
+  }
+
+  public static void syncListSectionItems() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      ListSectionItemsRequest request =
+          ListSectionItemsRequest.newBuilder()
+              .setParent(SectionName.of("[USER]", "[SECTION]").toString())
+              .setPageSize(883849137)
+              .setPageToken("pageToken873572522")
+              .setFilter("filter-1274492040")
+              .build();
+      for (SectionItem element : chatServiceClient.listSectionItems(request).iterateAll()) {
+        // doThingsWith(element);
+      }
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_ListSectionItems_sync]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsectionitems/SyncListSectionItemsSectionname.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsectionitems/SyncListSectionItemsSectionname.java
new file mode 100644
index 000000000000..4d5699f66899
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsectionitems/SyncListSectionItemsSectionname.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_ListSectionItems_Sectionname_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.SectionItem;
+import com.google.chat.v1.SectionName;
+
+public class SyncListSectionItemsSectionname {
+
+  public static void main(String[] args) throws Exception {
+    syncListSectionItemsSectionname();
+  }
+
+  public static void syncListSectionItemsSectionname() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      SectionName parent = SectionName.of("[USER]", "[SECTION]");
+      for (SectionItem element : chatServiceClient.listSectionItems(parent).iterateAll()) {
+        // doThingsWith(element);
+      }
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_ListSectionItems_Sectionname_sync]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsectionitems/SyncListSectionItemsString.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsectionitems/SyncListSectionItemsString.java
new file mode 100644
index 000000000000..b582bd0393d6
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsectionitems/SyncListSectionItemsString.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_ListSectionItems_String_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.SectionItem;
+import com.google.chat.v1.SectionName;
+
+public class SyncListSectionItemsString {
+
+  public static void main(String[] args) throws Exception {
+    syncListSectionItemsString();
+  }
+
+  public static void syncListSectionItemsString() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      String parent = SectionName.of("[USER]", "[SECTION]").toString();
+      for (SectionItem element : chatServiceClient.listSectionItems(parent).iterateAll()) {
+        // doThingsWith(element);
+      }
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_ListSectionItems_String_sync]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsections/AsyncListSections.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsections/AsyncListSections.java
new file mode 100644
index 000000000000..64b0a9eae5ff
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsections/AsyncListSections.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_ListSections_async]
+import com.google.api.core.ApiFuture;
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.ListSectionsRequest;
+import com.google.chat.v1.Section;
+import com.google.chat.v1.UserName;
+
+public class AsyncListSections {
+
+  public static void main(String[] args) throws Exception {
+    asyncListSections();
+  }
+
+  public static void asyncListSections() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      ListSectionsRequest request =
+          ListSectionsRequest.newBuilder()
+              .setParent(UserName.of("[USER]").toString())
+              .setPageSize(883849137)
+              .setPageToken("pageToken873572522")
+              .build();
+      ApiFuture<Section> future = chatServiceClient.listSectionsPagedCallable().futureCall(request);
+      // Do something.
+      for (Section element : future.get().iterateAll()) {
+        // doThingsWith(element);
+      }
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_ListSections_async]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsections/AsyncListSectionsPaged.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsections/AsyncListSectionsPaged.java
new file mode 100644
index 000000000000..e6e317f3d2aa
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsections/AsyncListSectionsPaged.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_ListSections_Paged_async]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.ListSectionsRequest;
+import com.google.chat.v1.ListSectionsResponse;
+import com.google.chat.v1.Section;
+import com.google.chat.v1.UserName;
+import com.google.common.base.Strings;
+
+public class AsyncListSectionsPaged {
+
+  public static void main(String[] args) throws Exception {
+    asyncListSectionsPaged();
+  }
+
+  public static void asyncListSectionsPaged() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      ListSectionsRequest request =
+          ListSectionsRequest.newBuilder()
+              .setParent(UserName.of("[USER]").toString())
+              .setPageSize(883849137)
+              .setPageToken("pageToken873572522")
+              .build();
+      while (true) {
+        ListSectionsResponse response = chatServiceClient.listSectionsCallable().call(request);
+        for (Section element : response.getSectionsList()) {
+          // doThingsWith(element);
+        }
+        String nextPageToken = response.getNextPageToken();
+        if (!Strings.isNullOrEmpty(nextPageToken)) {
+          request = request.toBuilder().setPageToken(nextPageToken).build();
+        } else {
+          break;
+        }
+      }
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_ListSections_Paged_async]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsections/SyncListSections.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsections/SyncListSections.java
new file mode 100644
index 000000000000..a3fc1dd321b4
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsections/SyncListSections.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_ListSections_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.ListSectionsRequest;
+import com.google.chat.v1.Section;
+import com.google.chat.v1.UserName;
+
+public class SyncListSections {
+
+  public static void main(String[] args) throws Exception {
+    syncListSections();
+  }
+
+  public static void syncListSections() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      ListSectionsRequest request =
+          ListSectionsRequest.newBuilder()
+              .setParent(UserName.of("[USER]").toString())
+              .setPageSize(883849137)
+              .setPageToken("pageToken873572522")
+              .build();
+      for (Section element : chatServiceClient.listSections(request).iterateAll()) {
+        // doThingsWith(element);
+      }
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_ListSections_sync]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsections/SyncListSectionsString.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsections/SyncListSectionsString.java
new file mode 100644
index 000000000000..0de0f377cb93
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsections/SyncListSectionsString.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_ListSections_String_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.Section;
+import com.google.chat.v1.UserName;
+
+public class SyncListSectionsString {
+
+  public static void main(String[] args) throws Exception {
+    syncListSectionsString();
+  }
+
+  public static void syncListSectionsString() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      String parent = UserName.of("[USER]").toString();
+      for (Section element : chatServiceClient.listSections(parent).iterateAll()) {
+        // doThingsWith(element);
+      }
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_ListSections_String_sync]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsections/SyncListSectionsUsername.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsections/SyncListSectionsUsername.java
new file mode 100644
index 000000000000..91f203061595
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/listsections/SyncListSectionsUsername.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_ListSections_Username_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.Section;
+import com.google.chat.v1.UserName;
+
+public class SyncListSectionsUsername {
+
+  public static void main(String[] args) throws Exception {
+    syncListSectionsUsername();
+  }
+
+  public static void syncListSectionsUsername() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      UserName parent = UserName.of("[USER]");
+      for (Section element : chatServiceClient.listSections(parent).iterateAll()) {
+        // doThingsWith(element);
+      }
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_ListSections_Username_sync]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/movesectionitem/AsyncMoveSectionItem.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/movesectionitem/AsyncMoveSectionItem.java
new file mode 100644
index 000000000000..e5d86114d43f
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/movesectionitem/AsyncMoveSectionItem.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_MoveSectionItem_async]
+import com.google.api.core.ApiFuture;
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.MoveSectionItemRequest;
+import com.google.chat.v1.MoveSectionItemResponse;
+import com.google.chat.v1.SectionItemName;
+import com.google.chat.v1.SectionName;
+
+public class AsyncMoveSectionItem {
+
+  public static void main(String[] args) throws Exception {
+    asyncMoveSectionItem();
+  }
+
+  public static void asyncMoveSectionItem() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      MoveSectionItemRequest request =
+          MoveSectionItemRequest.newBuilder()
+              .setName(SectionItemName.of("[USER]", "[SECTION]", "[ITEM]").toString())
+              .setTargetSection(SectionName.of("[USER]", "[SECTION]").toString())
+              .build();
+      ApiFuture<MoveSectionItemResponse> future =
+          chatServiceClient.moveSectionItemCallable().futureCall(request);
+      // Do something.
+      MoveSectionItemResponse response = future.get();
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_MoveSectionItem_async]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/movesectionitem/SyncMoveSectionItem.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/movesectionitem/SyncMoveSectionItem.java
new file mode 100644
index 000000000000..9724b6b20bf2
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/movesectionitem/SyncMoveSectionItem.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_MoveSectionItem_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.MoveSectionItemRequest;
+import com.google.chat.v1.MoveSectionItemResponse;
+import com.google.chat.v1.SectionItemName;
+import com.google.chat.v1.SectionName;
+
+public class SyncMoveSectionItem {
+
+  public static void main(String[] args) throws Exception {
+    syncMoveSectionItem();
+  }
+
+  public static void syncMoveSectionItem() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      MoveSectionItemRequest request =
+          MoveSectionItemRequest.newBuilder()
+              .setName(SectionItemName.of("[USER]", "[SECTION]", "[ITEM]").toString())
+              .setTargetSection(SectionName.of("[USER]", "[SECTION]").toString())
+              .build();
+      MoveSectionItemResponse response = chatServiceClient.moveSectionItem(request);
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_MoveSectionItem_sync]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/movesectionitem/SyncMoveSectionItemSectionitemnameSectionname.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/movesectionitem/SyncMoveSectionItemSectionitemnameSectionname.java
new file mode 100644
index 000000000000..0d0127ba26a3
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/movesectionitem/SyncMoveSectionItemSectionitemnameSectionname.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_MoveSectionItem_SectionitemnameSectionname_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.MoveSectionItemResponse;
+import com.google.chat.v1.SectionItemName;
+import com.google.chat.v1.SectionName;
+
+public class SyncMoveSectionItemSectionitemnameSectionname {
+
+  public static void main(String[] args) throws Exception {
+    syncMoveSectionItemSectionitemnameSectionname();
+  }
+
+  public static void syncMoveSectionItemSectionitemnameSectionname() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      SectionItemName name = SectionItemName.of("[USER]", "[SECTION]", "[ITEM]");
+      SectionName targetSection = SectionName.of("[USER]", "[SECTION]");
+      MoveSectionItemResponse response = chatServiceClient.moveSectionItem(name, targetSection);
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_MoveSectionItem_SectionitemnameSectionname_sync]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/movesectionitem/SyncMoveSectionItemSectionitemnameString.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/movesectionitem/SyncMoveSectionItemSectionitemnameString.java
new file mode 100644
index 000000000000..50087f200087
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/movesectionitem/SyncMoveSectionItemSectionitemnameString.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_MoveSectionItem_SectionitemnameString_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.MoveSectionItemResponse;
+import com.google.chat.v1.SectionItemName;
+import com.google.chat.v1.SectionName;
+
+public class SyncMoveSectionItemSectionitemnameString {
+
+  public static void main(String[] args) throws Exception {
+    syncMoveSectionItemSectionitemnameString();
+  }
+
+  public static void syncMoveSectionItemSectionitemnameString() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      SectionItemName name = SectionItemName.of("[USER]", "[SECTION]", "[ITEM]");
+      String targetSection = SectionName.of("[USER]", "[SECTION]").toString();
+      MoveSectionItemResponse response = chatServiceClient.moveSectionItem(name, targetSection);
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_MoveSectionItem_SectionitemnameString_sync]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/movesectionitem/SyncMoveSectionItemStringSectionname.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/movesectionitem/SyncMoveSectionItemStringSectionname.java
new file mode 100644
index 000000000000..f57644b393e8
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/movesectionitem/SyncMoveSectionItemStringSectionname.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_MoveSectionItem_StringSectionname_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.MoveSectionItemResponse;
+import com.google.chat.v1.SectionItemName;
+import com.google.chat.v1.SectionName;
+
+public class SyncMoveSectionItemStringSectionname {
+
+  public static void main(String[] args) throws Exception {
+    syncMoveSectionItemStringSectionname();
+  }
+
+  public static void syncMoveSectionItemStringSectionname() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      String name = SectionItemName.of("[USER]", "[SECTION]", "[ITEM]").toString();
+      SectionName targetSection = SectionName.of("[USER]", "[SECTION]");
+      MoveSectionItemResponse response = chatServiceClient.moveSectionItem(name, targetSection);
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_MoveSectionItem_StringSectionname_sync]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/movesectionitem/SyncMoveSectionItemStringString.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/movesectionitem/SyncMoveSectionItemStringString.java
new file mode 100644
index 000000000000..a349638153d0
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/movesectionitem/SyncMoveSectionItemStringString.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_MoveSectionItem_StringString_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.MoveSectionItemResponse;
+import com.google.chat.v1.SectionItemName;
+import com.google.chat.v1.SectionName;
+
+public class SyncMoveSectionItemStringString {
+
+  public static void main(String[] args) throws Exception {
+    syncMoveSectionItemStringString();
+  }
+
+  public static void syncMoveSectionItemStringString() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      String name = SectionItemName.of("[USER]", "[SECTION]", "[ITEM]").toString();
+      String targetSection = SectionName.of("[USER]", "[SECTION]").toString();
+      MoveSectionItemResponse response = chatServiceClient.moveSectionItem(name, targetSection);
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_MoveSectionItem_StringString_sync]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/positionsection/AsyncPositionSection.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/positionsection/AsyncPositionSection.java
new file mode 100644
index 000000000000..57ac78fa2da7
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/positionsection/AsyncPositionSection.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_PositionSection_async]
+import com.google.api.core.ApiFuture;
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.PositionSectionRequest;
+import com.google.chat.v1.PositionSectionResponse;
+import com.google.chat.v1.SectionName;
+
+public class AsyncPositionSection {
+
+  public static void main(String[] args) throws Exception {
+    asyncPositionSection();
+  }
+
+  public static void asyncPositionSection() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      PositionSectionRequest request =
+          PositionSectionRequest.newBuilder()
+              .setName(SectionName.of("[USER]", "[SECTION]").toString())
+              .build();
+      ApiFuture<PositionSectionResponse> future =
+          chatServiceClient.positionSectionCallable().futureCall(request);
+      // Do something.
+      PositionSectionResponse response = future.get();
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_PositionSection_async]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/positionsection/SyncPositionSection.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/positionsection/SyncPositionSection.java
new file mode 100644
index 000000000000..ffec2b048ce9
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/positionsection/SyncPositionSection.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_PositionSection_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.PositionSectionRequest;
+import com.google.chat.v1.PositionSectionResponse;
+import com.google.chat.v1.SectionName;
+
+public class SyncPositionSection {
+
+  public static void main(String[] args) throws Exception {
+    syncPositionSection();
+  }
+
+  public static void syncPositionSection() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      PositionSectionRequest request =
+          PositionSectionRequest.newBuilder()
+              .setName(SectionName.of("[USER]", "[SECTION]").toString())
+              .build();
+      PositionSectionResponse response = chatServiceClient.positionSection(request);
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_PositionSection_sync]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/updatesection/AsyncUpdateSection.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/updatesection/AsyncUpdateSection.java
new file mode 100644
index 000000000000..78cefc02b602
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/updatesection/AsyncUpdateSection.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_UpdateSection_async]
+import com.google.api.core.ApiFuture;
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.Section;
+import com.google.chat.v1.UpdateSectionRequest;
+import com.google.protobuf.FieldMask;
+
+public class AsyncUpdateSection {
+
+  public static void main(String[] args) throws Exception {
+    asyncUpdateSection();
+  }
+
+  public static void asyncUpdateSection() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      UpdateSectionRequest request =
+          UpdateSectionRequest.newBuilder()
+              .setSection(Section.newBuilder().build())
+              .setUpdateMask(FieldMask.newBuilder().build())
+              .build();
+      ApiFuture<Section> future = chatServiceClient.updateSectionCallable().futureCall(request);
+      // Do something.
+      Section response = future.get();
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_UpdateSection_async]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/updatesection/SyncUpdateSection.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/updatesection/SyncUpdateSection.java
new file mode 100644
index 000000000000..d85206549fb4
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/updatesection/SyncUpdateSection.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_UpdateSection_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.Section;
+import com.google.chat.v1.UpdateSectionRequest;
+import com.google.protobuf.FieldMask;
+
+public class SyncUpdateSection {
+
+  public static void main(String[] args) throws Exception {
+    syncUpdateSection();
+  }
+
+  public static void syncUpdateSection() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      UpdateSectionRequest request =
+          UpdateSectionRequest.newBuilder()
+              .setSection(Section.newBuilder().build())
+              .setUpdateMask(FieldMask.newBuilder().build())
+              .build();
+      Section response = chatServiceClient.updateSection(request);
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_UpdateSection_sync]
diff --git a/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/updatesection/SyncUpdateSectionSectionFieldmask.java b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/updatesection/SyncUpdateSectionSectionFieldmask.java
new file mode 100644
index 000000000000..1bf8c6c7dc61
--- /dev/null
+++ b/java-chat/samples/snippets/generated/com/google/chat/v1/chatservice/updatesection/SyncUpdateSectionSectionFieldmask.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.chat.v1.samples;
+
+// [START chat_v1_generated_ChatService_UpdateSection_SectionFieldmask_sync]
+import com.google.chat.v1.ChatServiceClient;
+import com.google.chat.v1.Section;
+import com.google.protobuf.FieldMask;
+
+public class SyncUpdateSectionSectionFieldmask {
+
+  public static void main(String[] args) throws Exception {
+    syncUpdateSectionSectionFieldmask();
+  }
+
+  public static void syncUpdateSectionSectionFieldmask() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (ChatServiceClient chatServiceClient = ChatServiceClient.create()) {
+      Section section = Section.newBuilder().build();
+      FieldMask updateMask = FieldMask.newBuilder().build();
+      Section response = chatServiceClient.updateSection(section, updateMask);
+    }
+  }
+}
+// [END chat_v1_generated_ChatService_UpdateSection_SectionFieldmask_sync]
diff --git a/java-contentwarehouse/google-cloud-contentwarehouse/src/main/resources/META-INF/native-image/com.google.cloud.contentwarehouse.v1/reflect-config.json b/java-contentwarehouse/google-cloud-contentwarehouse/src/main/resources/META-INF/native-image/com.google.cloud.contentwarehouse.v1/reflect-config.json
index df2682b3db7f..4f8528b29bb5 100644
--- a/java-contentwarehouse/google-cloud-contentwarehouse/src/main/resources/META-INF/native-image/com.google.cloud.contentwarehouse.v1/reflect-config.json
+++ b/java-contentwarehouse/google-cloud-contentwarehouse/src/main/resources/META-INF/native-image/com.google.cloud.contentwarehouse.v1/reflect-config.json
@@ -2708,6 +2708,42 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$Annotations",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$Annotations$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$BlobAsset",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$BlobAsset$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.documentai.v1.Document$Builder",
     "queryAllDeclaredConstructors": true,
@@ -2753,6 +2789,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$ChunkedDocument$Chunk$ChunkField",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$ChunkedDocument$Chunk$ChunkField$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.documentai.v1.Document$ChunkedDocument$Chunk$ChunkPageFooter",
     "queryAllDeclaredConstructors": true,
@@ -2807,6 +2861,42 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$ChunkedDocument$Chunk$ImageChunkField",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$ChunkedDocument$Chunk$ImageChunkField$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$ChunkedDocument$Chunk$TableChunkField",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$ChunkedDocument$Chunk$TableChunkField$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.documentai.v1.Document$DocumentLayout",
     "queryAllDeclaredConstructors": true,
@@ -2843,6 +2933,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$DocumentLayout$DocumentLayoutBlock$LayoutImageBlock",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$DocumentLayout$DocumentLayoutBlock$LayoutImageBlock$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.documentai.v1.Document$DocumentLayout$DocumentLayoutBlock$LayoutListBlock",
     "queryAllDeclaredConstructors": true,
diff --git a/java-dataplex/grpc-google-cloud-dataplex-v1/src/main/java/com/google/cloud/dataplex/v1/ContentServiceGrpc.java b/java-dataplex/grpc-google-cloud-dataplex-v1/src/main/java/com/google/cloud/dataplex/v1/ContentServiceGrpc.java
index 7d657f076cf9..a087ae2f0103 100644
--- a/java-dataplex/grpc-google-cloud-dataplex-v1/src/main/java/com/google/cloud/dataplex/v1/ContentServiceGrpc.java
+++ b/java-dataplex/grpc-google-cloud-dataplex-v1/src/main/java/com/google/cloud/dataplex/v1/ContentServiceGrpc.java
@@ -15,6 +15,7 @@
  */
 package com.google.cloud.dataplex.v1;
 
+
 /**
  *
  *
diff --git a/java-document-ai/google-cloud-document-ai/src/main/resources/META-INF/native-image/com.google.cloud.documentai.v1/reflect-config.json b/java-document-ai/google-cloud-document-ai/src/main/resources/META-INF/native-image/com.google.cloud.documentai.v1/reflect-config.json
index bd2b6e5a3e7d..d90585acc8d1 100644
--- a/java-document-ai/google-cloud-document-ai/src/main/resources/META-INF/native-image/com.google.cloud.documentai.v1/reflect-config.json
+++ b/java-document-ai/google-cloud-document-ai/src/main/resources/META-INF/native-image/com.google.cloud.documentai.v1/reflect-config.json
@@ -845,6 +845,42 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$Annotations",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$Annotations$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$BlobAsset",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$BlobAsset$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.documentai.v1.Document$Builder",
     "queryAllDeclaredConstructors": true,
@@ -890,6 +926,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$ChunkedDocument$Chunk$ChunkField",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$ChunkedDocument$Chunk$ChunkField$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.documentai.v1.Document$ChunkedDocument$Chunk$ChunkPageFooter",
     "queryAllDeclaredConstructors": true,
@@ -944,6 +998,42 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$ChunkedDocument$Chunk$ImageChunkField",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$ChunkedDocument$Chunk$ImageChunkField$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$ChunkedDocument$Chunk$TableChunkField",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$ChunkedDocument$Chunk$TableChunkField$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.documentai.v1.Document$DocumentLayout",
     "queryAllDeclaredConstructors": true,
@@ -980,6 +1070,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$DocumentLayout$DocumentLayoutBlock$LayoutImageBlock",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.documentai.v1.Document$DocumentLayout$DocumentLayoutBlock$LayoutImageBlock$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.documentai.v1.Document$DocumentLayout$DocumentLayoutBlock$LayoutListBlock",
     "queryAllDeclaredConstructors": true,
diff --git a/java-document-ai/proto-google-cloud-document-ai-v1/src/main/java/com/google/cloud/documentai/v1/Document.java b/java-document-ai/proto-google-cloud-document-ai-v1/src/main/java/com/google/cloud/documentai/v1/Document.java
index 18cb03dfa200..23b7a88edef7 100644
--- a/java-document-ai/proto-google-cloud-document-ai-v1/src/main/java/com/google/cloud/documentai/v1/Document.java
+++ b/java-document-ai/proto-google-cloud-document-ai-v1/src/main/java/com/google/cloud/documentai/v1/Document.java
@@ -64,6 +64,7 @@ private Document() {
     entityRelations_ = java.util.Collections.emptyList();
     textChanges_ = java.util.Collections.emptyList();
     revisions_ = java.util.Collections.emptyList();
+    blobAssets_ = java.util.Collections.emptyList();
     entitiesRevisions_ = java.util.Collections.emptyList();
     entitiesRevisionId_ = "";
   }
@@ -4660,7 +4661,7 @@ com.google.cloud.documentai.v1.Document.Page.ParagraphOrBuilder getParagraphsOrB
      *
      *
      * <pre>
-     * A list of detected non-text visual elements e.g. checkbox,
+     * A list of detected non-text visual elements, for example, checkbox,
      * signature etc. on the page.
      * </pre>
      *
@@ -4674,7 +4675,7 @@ com.google.cloud.documentai.v1.Document.Page.ParagraphOrBuilder getParagraphsOrB
      *
      *
      * <pre>
-     * A list of detected non-text visual elements e.g. checkbox,
+     * A list of detected non-text visual elements, for example, checkbox,
      * signature etc. on the page.
      * </pre>
      *
@@ -4687,7 +4688,7 @@ com.google.cloud.documentai.v1.Document.Page.ParagraphOrBuilder getParagraphsOrB
      *
      *
      * <pre>
-     * A list of detected non-text visual elements e.g. checkbox,
+     * A list of detected non-text visual elements, for example, checkbox,
      * signature etc. on the page.
      * </pre>
      *
@@ -4700,7 +4701,7 @@ com.google.cloud.documentai.v1.Document.Page.ParagraphOrBuilder getParagraphsOrB
      *
      *
      * <pre>
-     * A list of detected non-text visual elements e.g. checkbox,
+     * A list of detected non-text visual elements, for example, checkbox,
      * signature etc. on the page.
      * </pre>
      *
@@ -4714,7 +4715,7 @@ com.google.cloud.documentai.v1.Document.Page.ParagraphOrBuilder getParagraphsOrB
      *
      *
      * <pre>
-     * A list of detected non-text visual elements e.g. checkbox,
+     * A list of detected non-text visual elements, for example, checkbox,
      * signature etc. on the page.
      * </pre>
      *
@@ -5013,7 +5014,7 @@ com.google.cloud.documentai.v1.Document.Page.FormFieldOrBuilder getFormFieldsOrB
      * </code>
      *
      * @deprecated google.cloud.documentai.v1.Document.Page.provenance is deprecated. See
-     *     google/cloud/documentai/v1/document.proto;l=548
+     *     google/cloud/documentai/v1/document.proto;l=549
      * @return Whether the provenance field is set.
      */
     @java.lang.Deprecated
@@ -5030,7 +5031,7 @@ com.google.cloud.documentai.v1.Document.Page.FormFieldOrBuilder getFormFieldsOrB
      * </code>
      *
      * @deprecated google.cloud.documentai.v1.Document.Page.provenance is deprecated. See
-     *     google/cloud/documentai/v1/document.proto;l=548
+     *     google/cloud/documentai/v1/document.proto;l=549
      * @return The provenance.
      */
     @java.lang.Deprecated
@@ -7808,9 +7809,9 @@ public interface LayoutOrBuilder
        * <pre>
        * Confidence of the current
        * [Layout][google.cloud.documentai.v1.Document.Page.Layout] within
-       * context of the object this layout is for. e.g. confidence can be for a
-       * single token, a table, a visual element, etc. depending on context.
-       * Range `[0, 1]`.
+       * context of the object this layout is for. For example, confidence can
+       * be for a single token, a table, a visual element, etc. depending on
+       * context. Range `[0, 1]`.
        * </pre>
        *
        * <code>float confidence = 2;</code>
@@ -8229,9 +8230,9 @@ public com.google.cloud.documentai.v1.Document.TextAnchorOrBuilder getTextAnchor
        * <pre>
        * Confidence of the current
        * [Layout][google.cloud.documentai.v1.Document.Page.Layout] within
-       * context of the object this layout is for. e.g. confidence can be for a
-       * single token, a table, a visual element, etc. depending on context.
-       * Range `[0, 1]`.
+       * context of the object this layout is for. For example, confidence can
+       * be for a single token, a table, a visual element, etc. depending on
+       * context. Range `[0, 1]`.
        * </pre>
        *
        * <code>float confidence = 2;</code>
@@ -8974,9 +8975,9 @@ public com.google.cloud.documentai.v1.Document.TextAnchor.Builder getTextAnchorB
          * <pre>
          * Confidence of the current
          * [Layout][google.cloud.documentai.v1.Document.Page.Layout] within
-         * context of the object this layout is for. e.g. confidence can be for a
-         * single token, a table, a visual element, etc. depending on context.
-         * Range `[0, 1]`.
+         * context of the object this layout is for. For example, confidence can
+         * be for a single token, a table, a visual element, etc. depending on
+         * context. Range `[0, 1]`.
          * </pre>
          *
          * <code>float confidence = 2;</code>
@@ -8994,9 +8995,9 @@ public float getConfidence() {
          * <pre>
          * Confidence of the current
          * [Layout][google.cloud.documentai.v1.Document.Page.Layout] within
-         * context of the object this layout is for. e.g. confidence can be for a
-         * single token, a table, a visual element, etc. depending on context.
-         * Range `[0, 1]`.
+         * context of the object this layout is for. For example, confidence can
+         * be for a single token, a table, a visual element, etc. depending on
+         * context. Range `[0, 1]`.
          * </pre>
          *
          * <code>float confidence = 2;</code>
@@ -9018,9 +9019,9 @@ public Builder setConfidence(float value) {
          * <pre>
          * Confidence of the current
          * [Layout][google.cloud.documentai.v1.Document.Page.Layout] within
-         * context of the object this layout is for. e.g. confidence can be for a
-         * single token, a table, a visual element, etc. depending on context.
-         * Range `[0, 1]`.
+         * context of the object this layout is for. For example, confidence can
+         * be for a single token, a table, a visual element, etc. depending on
+         * context. Range `[0, 1]`.
          * </pre>
          *
          * <code>float confidence = 2;</code>
@@ -9525,7 +9526,7 @@ public interface BlockOrBuilder
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Block.provenance is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=207
+       *     google/cloud/documentai/v1/document.proto;l=208
        * @return Whether the provenance field is set.
        */
       @java.lang.Deprecated
@@ -9542,7 +9543,7 @@ public interface BlockOrBuilder
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Block.provenance is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=207
+       *     google/cloud/documentai/v1/document.proto;l=208
        * @return The provenance.
        */
       @java.lang.Deprecated
@@ -9774,7 +9775,7 @@ public com.google.cloud.documentai.v1.Document.Page.DetectedLanguage getDetected
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Block.provenance is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=207
+       *     google/cloud/documentai/v1/document.proto;l=208
        * @return Whether the provenance field is set.
        */
       @java.lang.Override
@@ -9794,7 +9795,7 @@ public boolean hasProvenance() {
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Block.provenance is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=207
+       *     google/cloud/documentai/v1/document.proto;l=208
        * @return The provenance.
        */
       @java.lang.Override
@@ -10919,7 +10920,7 @@ public Builder removeDetectedLanguages(int index) {
          * </code>
          *
          * @deprecated google.cloud.documentai.v1.Document.Page.Block.provenance is deprecated. See
-         *     google/cloud/documentai/v1/document.proto;l=207
+         *     google/cloud/documentai/v1/document.proto;l=208
          * @return Whether the provenance field is set.
          */
         @java.lang.Deprecated
@@ -10938,7 +10939,7 @@ public boolean hasProvenance() {
          * </code>
          *
          * @deprecated google.cloud.documentai.v1.Document.Page.Block.provenance is deprecated. See
-         *     google/cloud/documentai/v1/document.proto;l=207
+         *     google/cloud/documentai/v1/document.proto;l=208
          * @return The provenance.
          */
         @java.lang.Deprecated
@@ -11296,7 +11297,7 @@ public interface ParagraphOrBuilder
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Paragraph.provenance is deprecated.
-       *     See google/cloud/documentai/v1/document.proto;l=220
+       *     See google/cloud/documentai/v1/document.proto;l=221
        * @return Whether the provenance field is set.
        */
       @java.lang.Deprecated
@@ -11313,7 +11314,7 @@ public interface ParagraphOrBuilder
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Paragraph.provenance is deprecated.
-       *     See google/cloud/documentai/v1/document.proto;l=220
+       *     See google/cloud/documentai/v1/document.proto;l=221
        * @return The provenance.
        */
       @java.lang.Deprecated
@@ -11544,7 +11545,7 @@ public com.google.cloud.documentai.v1.Document.Page.DetectedLanguage getDetected
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Paragraph.provenance is deprecated.
-       *     See google/cloud/documentai/v1/document.proto;l=220
+       *     See google/cloud/documentai/v1/document.proto;l=221
        * @return Whether the provenance field is set.
        */
       @java.lang.Override
@@ -11564,7 +11565,7 @@ public boolean hasProvenance() {
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Paragraph.provenance is deprecated.
-       *     See google/cloud/documentai/v1/document.proto;l=220
+       *     See google/cloud/documentai/v1/document.proto;l=221
        * @return The provenance.
        */
       @java.lang.Override
@@ -12688,7 +12689,7 @@ public Builder removeDetectedLanguages(int index) {
          * </code>
          *
          * @deprecated google.cloud.documentai.v1.Document.Page.Paragraph.provenance is deprecated.
-         *     See google/cloud/documentai/v1/document.proto;l=220
+         *     See google/cloud/documentai/v1/document.proto;l=221
          * @return Whether the provenance field is set.
          */
         @java.lang.Deprecated
@@ -12707,7 +12708,7 @@ public boolean hasProvenance() {
          * </code>
          *
          * @deprecated google.cloud.documentai.v1.Document.Page.Paragraph.provenance is deprecated.
-         *     See google/cloud/documentai/v1/document.proto;l=220
+         *     See google/cloud/documentai/v1/document.proto;l=221
          * @return The provenance.
          */
         @java.lang.Deprecated
@@ -13065,7 +13066,7 @@ public interface LineOrBuilder
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Line.provenance is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=234
+       *     google/cloud/documentai/v1/document.proto;l=235
        * @return Whether the provenance field is set.
        */
       @java.lang.Deprecated
@@ -13082,7 +13083,7 @@ public interface LineOrBuilder
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Line.provenance is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=234
+       *     google/cloud/documentai/v1/document.proto;l=235
        * @return The provenance.
        */
       @java.lang.Deprecated
@@ -13314,7 +13315,7 @@ public com.google.cloud.documentai.v1.Document.Page.DetectedLanguage getDetected
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Line.provenance is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=234
+       *     google/cloud/documentai/v1/document.proto;l=235
        * @return Whether the provenance field is set.
        */
       @java.lang.Override
@@ -13334,7 +13335,7 @@ public boolean hasProvenance() {
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Line.provenance is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=234
+       *     google/cloud/documentai/v1/document.proto;l=235
        * @return The provenance.
        */
       @java.lang.Override
@@ -14459,7 +14460,7 @@ public Builder removeDetectedLanguages(int index) {
          * </code>
          *
          * @deprecated google.cloud.documentai.v1.Document.Page.Line.provenance is deprecated. See
-         *     google/cloud/documentai/v1/document.proto;l=234
+         *     google/cloud/documentai/v1/document.proto;l=235
          * @return Whether the provenance field is set.
          */
         @java.lang.Deprecated
@@ -14478,7 +14479,7 @@ public boolean hasProvenance() {
          * </code>
          *
          * @deprecated google.cloud.documentai.v1.Document.Page.Line.provenance is deprecated. See
-         *     google/cloud/documentai/v1/document.proto;l=234
+         *     google/cloud/documentai/v1/document.proto;l=235
          * @return The provenance.
          */
         @java.lang.Deprecated
@@ -14880,7 +14881,7 @@ public interface TokenOrBuilder
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Token.provenance is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=326
+       *     google/cloud/documentai/v1/document.proto;l=327
        * @return Whether the provenance field is set.
        */
       @java.lang.Deprecated
@@ -14897,7 +14898,7 @@ public interface TokenOrBuilder
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Token.provenance is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=326
+       *     google/cloud/documentai/v1/document.proto;l=327
        * @return The provenance.
        */
       @java.lang.Deprecated
@@ -18650,7 +18651,7 @@ public com.google.cloud.documentai.v1.Document.Page.DetectedLanguage getDetected
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Token.provenance is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=326
+       *     google/cloud/documentai/v1/document.proto;l=327
        * @return Whether the provenance field is set.
        */
       @java.lang.Override
@@ -18670,7 +18671,7 @@ public boolean hasProvenance() {
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Token.provenance is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=326
+       *     google/cloud/documentai/v1/document.proto;l=327
        * @return The provenance.
        */
       @java.lang.Override
@@ -20139,7 +20140,7 @@ public Builder removeDetectedLanguages(int index) {
          * </code>
          *
          * @deprecated google.cloud.documentai.v1.Document.Page.Token.provenance is deprecated. See
-         *     google/cloud/documentai/v1/document.proto;l=326
+         *     google/cloud/documentai/v1/document.proto;l=327
          * @return Whether the provenance field is set.
          */
         @java.lang.Deprecated
@@ -20158,7 +20159,7 @@ public boolean hasProvenance() {
          * </code>
          *
          * @deprecated google.cloud.documentai.v1.Document.Page.Token.provenance is deprecated. See
-         *     google/cloud/documentai/v1/document.proto;l=326
+         *     google/cloud/documentai/v1/document.proto;l=327
          * @return The provenance.
          */
         @java.lang.Deprecated
@@ -22145,8 +22146,8 @@ public interface VisualElementOrBuilder
      *
      *
      * <pre>
-     * Detected non-text visual elements e.g. checkbox, signature etc. on the
-     * page.
+     * Detected non-text visual elements, for example, checkbox, signature etc.
+     * on the page.
      * </pre>
      *
      * Protobuf type {@code google.cloud.documentai.v1.Document.Page.VisualElement}
@@ -22588,8 +22589,8 @@ protected Builder newBuilderForType(
        *
        *
        * <pre>
-       * Detected non-text visual elements e.g. checkbox, signature etc. on the
-       * page.
+       * Detected non-text visual elements, for example, checkbox, signature etc.
+       * on the page.
        * </pre>
        *
        * Protobuf type {@code google.cloud.documentai.v1.Document.Page.VisualElement}
@@ -23886,7 +23887,7 @@ com.google.cloud.documentai.v1.Document.Page.Table.TableRowOrBuilder getBodyRows
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Table.provenance is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=395
+       *     google/cloud/documentai/v1/document.proto;l=396
        * @return Whether the provenance field is set.
        */
       @java.lang.Deprecated
@@ -23903,7 +23904,7 @@ com.google.cloud.documentai.v1.Document.Page.Table.TableRowOrBuilder getBodyRows
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Table.provenance is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=395
+       *     google/cloud/documentai/v1/document.proto;l=396
        * @return The provenance.
        */
       @java.lang.Deprecated
@@ -26986,7 +26987,7 @@ public com.google.cloud.documentai.v1.Document.Page.DetectedLanguage getDetected
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Table.provenance is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=395
+       *     google/cloud/documentai/v1/document.proto;l=396
        * @return Whether the provenance field is set.
        */
       @java.lang.Override
@@ -27006,7 +27007,7 @@ public boolean hasProvenance() {
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.Table.provenance is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=395
+       *     google/cloud/documentai/v1/document.proto;l=396
        * @return The provenance.
        */
       @java.lang.Override
@@ -29078,7 +29079,7 @@ public Builder removeDetectedLanguages(int index) {
          * </code>
          *
          * @deprecated google.cloud.documentai.v1.Document.Page.Table.provenance is deprecated. See
-         *     google/cloud/documentai/v1/document.proto;l=395
+         *     google/cloud/documentai/v1/document.proto;l=396
          * @return Whether the provenance field is set.
          */
         @java.lang.Deprecated
@@ -29097,7 +29098,7 @@ public boolean hasProvenance() {
          * </code>
          *
          * @deprecated google.cloud.documentai.v1.Document.Page.Table.provenance is deprecated. See
-         *     google/cloud/documentai/v1/document.proto;l=395
+         *     google/cloud/documentai/v1/document.proto;l=396
          * @return The provenance.
          */
         @java.lang.Deprecated
@@ -29341,7 +29342,7 @@ public interface FormFieldOrBuilder
        * <pre>
        * [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the
        * [FormField][google.cloud.documentai.v1.Document.Page.FormField] name.
-       * e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
+       * For example, `Address`, `Email`, `Grand total`, `Phone number`, etc.
        * </pre>
        *
        * <code>.google.cloud.documentai.v1.Document.Page.Layout field_name = 1;</code>
@@ -29356,7 +29357,7 @@ public interface FormFieldOrBuilder
        * <pre>
        * [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the
        * [FormField][google.cloud.documentai.v1.Document.Page.FormField] name.
-       * e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
+       * For example, `Address`, `Email`, `Grand total`, `Phone number`, etc.
        * </pre>
        *
        * <code>.google.cloud.documentai.v1.Document.Page.Layout field_name = 1;</code>
@@ -29371,7 +29372,7 @@ public interface FormFieldOrBuilder
        * <pre>
        * [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the
        * [FormField][google.cloud.documentai.v1.Document.Page.FormField] name.
-       * e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
+       * For example, `Address`, `Email`, `Grand total`, `Phone number`, etc.
        * </pre>
        *
        * <code>.google.cloud.documentai.v1.Document.Page.Layout field_name = 1;</code>
@@ -29755,7 +29756,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
        * <pre>
        * [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the
        * [FormField][google.cloud.documentai.v1.Document.Page.FormField] name.
-       * e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
+       * For example, `Address`, `Email`, `Grand total`, `Phone number`, etc.
        * </pre>
        *
        * <code>.google.cloud.documentai.v1.Document.Page.Layout field_name = 1;</code>
@@ -29773,7 +29774,7 @@ public boolean hasFieldName() {
        * <pre>
        * [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the
        * [FormField][google.cloud.documentai.v1.Document.Page.FormField] name.
-       * e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
+       * For example, `Address`, `Email`, `Grand total`, `Phone number`, etc.
        * </pre>
        *
        * <code>.google.cloud.documentai.v1.Document.Page.Layout field_name = 1;</code>
@@ -29793,7 +29794,7 @@ public com.google.cloud.documentai.v1.Document.Page.Layout getFieldName() {
        * <pre>
        * [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the
        * [FormField][google.cloud.documentai.v1.Document.Page.FormField] name.
-       * e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
+       * For example, `Address`, `Email`, `Grand total`, `Phone number`, etc.
        * </pre>
        *
        * <code>.google.cloud.documentai.v1.Document.Page.Layout field_name = 1;</code>
@@ -30912,7 +30913,7 @@ public Builder mergeFrom(
          * <pre>
          * [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the
          * [FormField][google.cloud.documentai.v1.Document.Page.FormField] name.
-         * e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
+         * For example, `Address`, `Email`, `Grand total`, `Phone number`, etc.
          * </pre>
          *
          * <code>.google.cloud.documentai.v1.Document.Page.Layout field_name = 1;</code>
@@ -30929,7 +30930,7 @@ public boolean hasFieldName() {
          * <pre>
          * [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the
          * [FormField][google.cloud.documentai.v1.Document.Page.FormField] name.
-         * e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
+         * For example, `Address`, `Email`, `Grand total`, `Phone number`, etc.
          * </pre>
          *
          * <code>.google.cloud.documentai.v1.Document.Page.Layout field_name = 1;</code>
@@ -30952,7 +30953,7 @@ public com.google.cloud.documentai.v1.Document.Page.Layout getFieldName() {
          * <pre>
          * [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the
          * [FormField][google.cloud.documentai.v1.Document.Page.FormField] name.
-         * e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
+         * For example, `Address`, `Email`, `Grand total`, `Phone number`, etc.
          * </pre>
          *
          * <code>.google.cloud.documentai.v1.Document.Page.Layout field_name = 1;</code>
@@ -30977,7 +30978,7 @@ public Builder setFieldName(com.google.cloud.documentai.v1.Document.Page.Layout
          * <pre>
          * [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the
          * [FormField][google.cloud.documentai.v1.Document.Page.FormField] name.
-         * e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
+         * For example, `Address`, `Email`, `Grand total`, `Phone number`, etc.
          * </pre>
          *
          * <code>.google.cloud.documentai.v1.Document.Page.Layout field_name = 1;</code>
@@ -31000,7 +31001,7 @@ public Builder setFieldName(
          * <pre>
          * [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the
          * [FormField][google.cloud.documentai.v1.Document.Page.FormField] name.
-         * e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
+         * For example, `Address`, `Email`, `Grand total`, `Phone number`, etc.
          * </pre>
          *
          * <code>.google.cloud.documentai.v1.Document.Page.Layout field_name = 1;</code>
@@ -31031,7 +31032,7 @@ public Builder mergeFieldName(com.google.cloud.documentai.v1.Document.Page.Layou
          * <pre>
          * [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the
          * [FormField][google.cloud.documentai.v1.Document.Page.FormField] name.
-         * e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
+         * For example, `Address`, `Email`, `Grand total`, `Phone number`, etc.
          * </pre>
          *
          * <code>.google.cloud.documentai.v1.Document.Page.Layout field_name = 1;</code>
@@ -31053,7 +31054,7 @@ public Builder clearFieldName() {
          * <pre>
          * [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the
          * [FormField][google.cloud.documentai.v1.Document.Page.FormField] name.
-         * e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
+         * For example, `Address`, `Email`, `Grand total`, `Phone number`, etc.
          * </pre>
          *
          * <code>.google.cloud.documentai.v1.Document.Page.Layout field_name = 1;</code>
@@ -31070,7 +31071,7 @@ public com.google.cloud.documentai.v1.Document.Page.Layout.Builder getFieldNameB
          * <pre>
          * [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the
          * [FormField][google.cloud.documentai.v1.Document.Page.FormField] name.
-         * e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
+         * For example, `Address`, `Email`, `Grand total`, `Phone number`, etc.
          * </pre>
          *
          * <code>.google.cloud.documentai.v1.Document.Page.Layout field_name = 1;</code>
@@ -31092,7 +31093,7 @@ public com.google.cloud.documentai.v1.Document.Page.Layout.Builder getFieldNameB
          * <pre>
          * [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the
          * [FormField][google.cloud.documentai.v1.Document.Page.FormField] name.
-         * e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
+         * For example, `Address`, `Email`, `Grand total`, `Phone number`, etc.
          * </pre>
          *
          * <code>.google.cloud.documentai.v1.Document.Page.Layout field_name = 1;</code>
@@ -37393,7 +37394,7 @@ public com.google.cloud.documentai.v1.Document.Page.TokenOrBuilder getTokensOrBu
      *
      *
      * <pre>
-     * A list of detected non-text visual elements e.g. checkbox,
+     * A list of detected non-text visual elements, for example, checkbox,
      * signature etc. on the page.
      * </pre>
      *
@@ -37410,7 +37411,7 @@ public com.google.cloud.documentai.v1.Document.Page.TokenOrBuilder getTokensOrBu
      *
      *
      * <pre>
-     * A list of detected non-text visual elements e.g. checkbox,
+     * A list of detected non-text visual elements, for example, checkbox,
      * signature etc. on the page.
      * </pre>
      *
@@ -37428,7 +37429,7 @@ public com.google.cloud.documentai.v1.Document.Page.TokenOrBuilder getTokensOrBu
      *
      *
      * <pre>
-     * A list of detected non-text visual elements e.g. checkbox,
+     * A list of detected non-text visual elements, for example, checkbox,
      * signature etc. on the page.
      * </pre>
      *
@@ -37444,7 +37445,7 @@ public int getVisualElementsCount() {
      *
      *
      * <pre>
-     * A list of detected non-text visual elements e.g. checkbox,
+     * A list of detected non-text visual elements, for example, checkbox,
      * signature etc. on the page.
      * </pre>
      *
@@ -37460,7 +37461,7 @@ public com.google.cloud.documentai.v1.Document.Page.VisualElement getVisualEleme
      *
      *
      * <pre>
-     * A list of detected non-text visual elements e.g. checkbox,
+     * A list of detected non-text visual elements, for example, checkbox,
      * signature etc. on the page.
      * </pre>
      *
@@ -37867,7 +37868,7 @@ public com.google.cloud.documentai.v1.Document.Page.ImageQualityScores getImageQ
      * </code>
      *
      * @deprecated google.cloud.documentai.v1.Document.Page.provenance is deprecated. See
-     *     google/cloud/documentai/v1/document.proto;l=548
+     *     google/cloud/documentai/v1/document.proto;l=549
      * @return Whether the provenance field is set.
      */
     @java.lang.Override
@@ -37887,7 +37888,7 @@ public boolean hasProvenance() {
      * </code>
      *
      * @deprecated google.cloud.documentai.v1.Document.Page.provenance is deprecated. See
-     *     google/cloud/documentai/v1/document.proto;l=548
+     *     google/cloud/documentai/v1/document.proto;l=549
      * @return The provenance.
      */
     @java.lang.Override
@@ -42261,7 +42262,7 @@ private void ensureVisualElementsIsMutable() {
        *
        *
        * <pre>
-       * A list of detected non-text visual elements e.g. checkbox,
+       * A list of detected non-text visual elements, for example, checkbox,
        * signature etc. on the page.
        * </pre>
        *
@@ -42281,7 +42282,7 @@ private void ensureVisualElementsIsMutable() {
        *
        *
        * <pre>
-       * A list of detected non-text visual elements e.g. checkbox,
+       * A list of detected non-text visual elements, for example, checkbox,
        * signature etc. on the page.
        * </pre>
        *
@@ -42300,7 +42301,7 @@ public int getVisualElementsCount() {
        *
        *
        * <pre>
-       * A list of detected non-text visual elements e.g. checkbox,
+       * A list of detected non-text visual elements, for example, checkbox,
        * signature etc. on the page.
        * </pre>
        *
@@ -42320,7 +42321,7 @@ public com.google.cloud.documentai.v1.Document.Page.VisualElement getVisualEleme
        *
        *
        * <pre>
-       * A list of detected non-text visual elements e.g. checkbox,
+       * A list of detected non-text visual elements, for example, checkbox,
        * signature etc. on the page.
        * </pre>
        *
@@ -42346,7 +42347,7 @@ public Builder setVisualElements(
        *
        *
        * <pre>
-       * A list of detected non-text visual elements e.g. checkbox,
+       * A list of detected non-text visual elements, for example, checkbox,
        * signature etc. on the page.
        * </pre>
        *
@@ -42370,7 +42371,7 @@ public Builder setVisualElements(
        *
        *
        * <pre>
-       * A list of detected non-text visual elements e.g. checkbox,
+       * A list of detected non-text visual elements, for example, checkbox,
        * signature etc. on the page.
        * </pre>
        *
@@ -42396,7 +42397,7 @@ public Builder addVisualElements(
        *
        *
        * <pre>
-       * A list of detected non-text visual elements e.g. checkbox,
+       * A list of detected non-text visual elements, for example, checkbox,
        * signature etc. on the page.
        * </pre>
        *
@@ -42422,7 +42423,7 @@ public Builder addVisualElements(
        *
        *
        * <pre>
-       * A list of detected non-text visual elements e.g. checkbox,
+       * A list of detected non-text visual elements, for example, checkbox,
        * signature etc. on the page.
        * </pre>
        *
@@ -42445,7 +42446,7 @@ public Builder addVisualElements(
        *
        *
        * <pre>
-       * A list of detected non-text visual elements e.g. checkbox,
+       * A list of detected non-text visual elements, for example, checkbox,
        * signature etc. on the page.
        * </pre>
        *
@@ -42469,7 +42470,7 @@ public Builder addVisualElements(
        *
        *
        * <pre>
-       * A list of detected non-text visual elements e.g. checkbox,
+       * A list of detected non-text visual elements, for example, checkbox,
        * signature etc. on the page.
        * </pre>
        *
@@ -42493,7 +42494,7 @@ public Builder addAllVisualElements(
        *
        *
        * <pre>
-       * A list of detected non-text visual elements e.g. checkbox,
+       * A list of detected non-text visual elements, for example, checkbox,
        * signature etc. on the page.
        * </pre>
        *
@@ -42515,7 +42516,7 @@ public Builder clearVisualElements() {
        *
        *
        * <pre>
-       * A list of detected non-text visual elements e.g. checkbox,
+       * A list of detected non-text visual elements, for example, checkbox,
        * signature etc. on the page.
        * </pre>
        *
@@ -42537,7 +42538,7 @@ public Builder removeVisualElements(int index) {
        *
        *
        * <pre>
-       * A list of detected non-text visual elements e.g. checkbox,
+       * A list of detected non-text visual elements, for example, checkbox,
        * signature etc. on the page.
        * </pre>
        *
@@ -42553,7 +42554,7 @@ public Builder removeVisualElements(int index) {
        *
        *
        * <pre>
-       * A list of detected non-text visual elements e.g. checkbox,
+       * A list of detected non-text visual elements, for example, checkbox,
        * signature etc. on the page.
        * </pre>
        *
@@ -42573,7 +42574,7 @@ public Builder removeVisualElements(int index) {
        *
        *
        * <pre>
-       * A list of detected non-text visual elements e.g. checkbox,
+       * A list of detected non-text visual elements, for example, checkbox,
        * signature etc. on the page.
        * </pre>
        *
@@ -42594,7 +42595,7 @@ public Builder removeVisualElements(int index) {
        *
        *
        * <pre>
-       * A list of detected non-text visual elements e.g. checkbox,
+       * A list of detected non-text visual elements, for example, checkbox,
        * signature etc. on the page.
        * </pre>
        *
@@ -42612,7 +42613,7 @@ public Builder removeVisualElements(int index) {
        *
        *
        * <pre>
-       * A list of detected non-text visual elements e.g. checkbox,
+       * A list of detected non-text visual elements, for example, checkbox,
        * signature etc. on the page.
        * </pre>
        *
@@ -42631,7 +42632,7 @@ public Builder removeVisualElements(int index) {
        *
        *
        * <pre>
-       * A list of detected non-text visual elements e.g. checkbox,
+       * A list of detected non-text visual elements, for example, checkbox,
        * signature etc. on the page.
        * </pre>
        *
@@ -44456,7 +44457,7 @@ public Builder clearImageQualityScores() {
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.provenance is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=548
+       *     google/cloud/documentai/v1/document.proto;l=549
        * @return Whether the provenance field is set.
        */
       @java.lang.Deprecated
@@ -44475,7 +44476,7 @@ public boolean hasProvenance() {
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Page.provenance is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=548
+       *     google/cloud/documentai/v1/document.proto;l=549
        * @return The provenance.
        */
       @java.lang.Deprecated
@@ -44765,7 +44766,7 @@ public interface EntityOrBuilder
      *
      *
      * <pre>
-     * Required. Entity type from a schema e.g. `Address`.
+     * Required. Entity type from a schema, for example, `Address`.
      * </pre>
      *
      * <code>string type = 2 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -44778,7 +44779,7 @@ public interface EntityOrBuilder
      *
      *
      * <pre>
-     * Required. Entity type from a schema e.g. `Address`.
+     * Required. Entity type from a schema, for example, `Address`.
      * </pre>
      *
      * <code>string type = 2 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -44791,7 +44792,8 @@ public interface EntityOrBuilder
      *
      *
      * <pre>
-     * Optional. Text value of the entity e.g. `1600 Amphitheatre Pkwy`.
+     * Optional. Text value of the entity, for example, `1600 Amphitheatre
+     * Pkwy`.
      * </pre>
      *
      * <code>string mention_text = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -44804,7 +44806,8 @@ public interface EntityOrBuilder
      *
      *
      * <pre>
-     * Optional. Text value of the entity e.g. `1600 Amphitheatre Pkwy`.
+     * Optional. Text value of the entity, for example, `1600 Amphitheatre
+     * Pkwy`.
      * </pre>
      *
      * <code>string mention_text = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -44931,9 +44934,9 @@ public interface EntityOrBuilder
      *
      * <pre>
      * Optional. Normalized entity value. Absent if the extracted value could
-     * not be converted or the type (e.g. address) is not supported for certain
-     * parsers. This field is also only populated for certain supported document
-     * types.
+     * not be converted or the type (for example, address) is not supported for
+     * certain parsers. This field is also only populated for certain supported
+     * document types.
      * </pre>
      *
      * <code>
@@ -44949,9 +44952,9 @@ public interface EntityOrBuilder
      *
      * <pre>
      * Optional. Normalized entity value. Absent if the extracted value could
-     * not be converted or the type (e.g. address) is not supported for certain
-     * parsers. This field is also only populated for certain supported document
-     * types.
+     * not be converted or the type (for example, address) is not supported for
+     * certain parsers. This field is also only populated for certain supported
+     * document types.
      * </pre>
      *
      * <code>
@@ -44967,9 +44970,9 @@ public interface EntityOrBuilder
      *
      * <pre>
      * Optional. Normalized entity value. Absent if the extracted value could
-     * not be converted or the type (e.g. address) is not supported for certain
-     * parsers. This field is also only populated for certain supported document
-     * types.
+     * not be converted or the type (for example, address) is not supported for
+     * certain parsers. This field is also only populated for certain supported
+     * document types.
      * </pre>
      *
      * <code>
@@ -45613,6 +45616,13 @@ public interface NormalizedValueOrBuilder
       float getFloatValue();
 
       /**
+       *
+       *
+       * <pre>
+       * A signature - a graphical representation of a person's name,
+       * often used to sign a document.
+       * </pre>
+       *
        * <code>bool signature_value = 10;</code>
        *
        * @return Whether the signatureValue field is set.
@@ -45620,6 +45630,13 @@ public interface NormalizedValueOrBuilder
       boolean hasSignatureValue();
 
       /**
+       *
+       *
+       * <pre>
+       * A signature - a graphical representation of a person's name,
+       * often used to sign a document.
+       * </pre>
+       *
        * <code>bool signature_value = 10;</code>
        *
        * @return The signatureValue.
@@ -46137,6 +46154,13 @@ public float getFloatValue() {
       public static final int SIGNATURE_VALUE_FIELD_NUMBER = 10;
 
       /**
+       *
+       *
+       * <pre>
+       * A signature - a graphical representation of a person's name,
+       * often used to sign a document.
+       * </pre>
+       *
        * <code>bool signature_value = 10;</code>
        *
        * @return Whether the signatureValue field is set.
@@ -46147,6 +46171,13 @@ public boolean hasSignatureValue() {
       }
 
       /**
+       *
+       *
+       * <pre>
+       * A signature - a graphical representation of a person's name,
+       * often used to sign a document.
+       * </pre>
+       *
        * <code>bool signature_value = 10;</code>
        *
        * @return The signatureValue.
@@ -47944,6 +47975,13 @@ public Builder clearFloatValue() {
         }
 
         /**
+         *
+         *
+         * <pre>
+         * A signature - a graphical representation of a person's name,
+         * often used to sign a document.
+         * </pre>
+         *
          * <code>bool signature_value = 10;</code>
          *
          * @return Whether the signatureValue field is set.
@@ -47953,6 +47991,13 @@ public boolean hasSignatureValue() {
         }
 
         /**
+         *
+         *
+         * <pre>
+         * A signature - a graphical representation of a person's name,
+         * often used to sign a document.
+         * </pre>
+         *
          * <code>bool signature_value = 10;</code>
          *
          * @return The signatureValue.
@@ -47965,6 +48010,13 @@ public boolean getSignatureValue() {
         }
 
         /**
+         *
+         *
+         * <pre>
+         * A signature - a graphical representation of a person's name,
+         * often used to sign a document.
+         * </pre>
+         *
          * <code>bool signature_value = 10;</code>
          *
          * @param value The signatureValue to set.
@@ -47979,6 +48031,13 @@ public Builder setSignatureValue(boolean value) {
         }
 
         /**
+         *
+         *
+         * <pre>
+         * A signature - a graphical representation of a person's name,
+         * often used to sign a document.
+         * </pre>
+         *
          * <code>bool signature_value = 10;</code>
          *
          * @return This builder for chaining.
@@ -48283,7 +48342,7 @@ public com.google.cloud.documentai.v1.Document.TextAnchorOrBuilder getTextAnchor
      *
      *
      * <pre>
-     * Required. Entity type from a schema e.g. `Address`.
+     * Required. Entity type from a schema, for example, `Address`.
      * </pre>
      *
      * <code>string type = 2 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -48307,7 +48366,7 @@ public java.lang.String getType() {
      *
      *
      * <pre>
-     * Required. Entity type from a schema e.g. `Address`.
+     * Required. Entity type from a schema, for example, `Address`.
      * </pre>
      *
      * <code>string type = 2 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -48336,7 +48395,8 @@ public com.google.protobuf.ByteString getTypeBytes() {
      *
      *
      * <pre>
-     * Optional. Text value of the entity e.g. `1600 Amphitheatre Pkwy`.
+     * Optional. Text value of the entity, for example, `1600 Amphitheatre
+     * Pkwy`.
      * </pre>
      *
      * <code>string mention_text = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -48360,7 +48420,8 @@ public java.lang.String getMentionText() {
      *
      *
      * <pre>
-     * Optional. Text value of the entity e.g. `1600 Amphitheatre Pkwy`.
+     * Optional. Text value of the entity, for example, `1600 Amphitheatre
+     * Pkwy`.
      * </pre>
      *
      * <code>string mention_text = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -48577,9 +48638,9 @@ public com.google.protobuf.ByteString getIdBytes() {
      *
      * <pre>
      * Optional. Normalized entity value. Absent if the extracted value could
-     * not be converted or the type (e.g. address) is not supported for certain
-     * parsers. This field is also only populated for certain supported document
-     * types.
+     * not be converted or the type (for example, address) is not supported for
+     * certain parsers. This field is also only populated for certain supported
+     * document types.
      * </pre>
      *
      * <code>
@@ -48598,9 +48659,9 @@ public boolean hasNormalizedValue() {
      *
      * <pre>
      * Optional. Normalized entity value. Absent if the extracted value could
-     * not be converted or the type (e.g. address) is not supported for certain
-     * parsers. This field is also only populated for certain supported document
-     * types.
+     * not be converted or the type (for example, address) is not supported for
+     * certain parsers. This field is also only populated for certain supported
+     * document types.
      * </pre>
      *
      * <code>
@@ -48621,9 +48682,9 @@ public com.google.cloud.documentai.v1.Document.Entity.NormalizedValue getNormali
      *
      * <pre>
      * Optional. Normalized entity value. Absent if the extracted value could
-     * not be converted or the type (e.g. address) is not supported for certain
-     * parsers. This field is also only populated for certain supported document
-     * types.
+     * not be converted or the type (for example, address) is not supported for
+     * certain parsers. This field is also only populated for certain supported
+     * document types.
      * </pre>
      *
      * <code>
@@ -49767,7 +49828,7 @@ public com.google.cloud.documentai.v1.Document.TextAnchorOrBuilder getTextAnchor
        *
        *
        * <pre>
-       * Required. Entity type from a schema e.g. `Address`.
+       * Required. Entity type from a schema, for example, `Address`.
        * </pre>
        *
        * <code>string type = 2 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -49790,7 +49851,7 @@ public java.lang.String getType() {
        *
        *
        * <pre>
-       * Required. Entity type from a schema e.g. `Address`.
+       * Required. Entity type from a schema, for example, `Address`.
        * </pre>
        *
        * <code>string type = 2 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -49813,7 +49874,7 @@ public com.google.protobuf.ByteString getTypeBytes() {
        *
        *
        * <pre>
-       * Required. Entity type from a schema e.g. `Address`.
+       * Required. Entity type from a schema, for example, `Address`.
        * </pre>
        *
        * <code>string type = 2 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -49835,7 +49896,7 @@ public Builder setType(java.lang.String value) {
        *
        *
        * <pre>
-       * Required. Entity type from a schema e.g. `Address`.
+       * Required. Entity type from a schema, for example, `Address`.
        * </pre>
        *
        * <code>string type = 2 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -49853,7 +49914,7 @@ public Builder clearType() {
        *
        *
        * <pre>
-       * Required. Entity type from a schema e.g. `Address`.
+       * Required. Entity type from a schema, for example, `Address`.
        * </pre>
        *
        * <code>string type = 2 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -49878,7 +49939,8 @@ public Builder setTypeBytes(com.google.protobuf.ByteString value) {
        *
        *
        * <pre>
-       * Optional. Text value of the entity e.g. `1600 Amphitheatre Pkwy`.
+       * Optional. Text value of the entity, for example, `1600 Amphitheatre
+       * Pkwy`.
        * </pre>
        *
        * <code>string mention_text = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -49901,7 +49963,8 @@ public java.lang.String getMentionText() {
        *
        *
        * <pre>
-       * Optional. Text value of the entity e.g. `1600 Amphitheatre Pkwy`.
+       * Optional. Text value of the entity, for example, `1600 Amphitheatre
+       * Pkwy`.
        * </pre>
        *
        * <code>string mention_text = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -49924,7 +49987,8 @@ public com.google.protobuf.ByteString getMentionTextBytes() {
        *
        *
        * <pre>
-       * Optional. Text value of the entity e.g. `1600 Amphitheatre Pkwy`.
+       * Optional. Text value of the entity, for example, `1600 Amphitheatre
+       * Pkwy`.
        * </pre>
        *
        * <code>string mention_text = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -49946,7 +50010,8 @@ public Builder setMentionText(java.lang.String value) {
        *
        *
        * <pre>
-       * Optional. Text value of the entity e.g. `1600 Amphitheatre Pkwy`.
+       * Optional. Text value of the entity, for example, `1600 Amphitheatre
+       * Pkwy`.
        * </pre>
        *
        * <code>string mention_text = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -49964,7 +50029,8 @@ public Builder clearMentionText() {
        *
        *
        * <pre>
-       * Optional. Text value of the entity e.g. `1600 Amphitheatre Pkwy`.
+       * Optional. Text value of the entity, for example, `1600 Amphitheatre
+       * Pkwy`.
        * </pre>
        *
        * <code>string mention_text = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -50501,9 +50567,9 @@ public Builder setIdBytes(com.google.protobuf.ByteString value) {
        *
        * <pre>
        * Optional. Normalized entity value. Absent if the extracted value could
-       * not be converted or the type (e.g. address) is not supported for certain
-       * parsers. This field is also only populated for certain supported document
-       * types.
+       * not be converted or the type (for example, address) is not supported for
+       * certain parsers. This field is also only populated for certain supported
+       * document types.
        * </pre>
        *
        * <code>
@@ -50521,9 +50587,9 @@ public boolean hasNormalizedValue() {
        *
        * <pre>
        * Optional. Normalized entity value. Absent if the extracted value could
-       * not be converted or the type (e.g. address) is not supported for certain
-       * parsers. This field is also only populated for certain supported document
-       * types.
+       * not be converted or the type (for example, address) is not supported for
+       * certain parsers. This field is also only populated for certain supported
+       * document types.
        * </pre>
        *
        * <code>
@@ -50547,9 +50613,9 @@ public com.google.cloud.documentai.v1.Document.Entity.NormalizedValue getNormali
        *
        * <pre>
        * Optional. Normalized entity value. Absent if the extracted value could
-       * not be converted or the type (e.g. address) is not supported for certain
-       * parsers. This field is also only populated for certain supported document
-       * types.
+       * not be converted or the type (for example, address) is not supported for
+       * certain parsers. This field is also only populated for certain supported
+       * document types.
        * </pre>
        *
        * <code>
@@ -50576,9 +50642,9 @@ public Builder setNormalizedValue(
        *
        * <pre>
        * Optional. Normalized entity value. Absent if the extracted value could
-       * not be converted or the type (e.g. address) is not supported for certain
-       * parsers. This field is also only populated for certain supported document
-       * types.
+       * not be converted or the type (for example, address) is not supported for
+       * certain parsers. This field is also only populated for certain supported
+       * document types.
        * </pre>
        *
        * <code>
@@ -50602,9 +50668,9 @@ public Builder setNormalizedValue(
        *
        * <pre>
        * Optional. Normalized entity value. Absent if the extracted value could
-       * not be converted or the type (e.g. address) is not supported for certain
-       * parsers. This field is also only populated for certain supported document
-       * types.
+       * not be converted or the type (for example, address) is not supported for
+       * certain parsers. This field is also only populated for certain supported
+       * document types.
        * </pre>
        *
        * <code>
@@ -50638,9 +50704,9 @@ public Builder mergeNormalizedValue(
        *
        * <pre>
        * Optional. Normalized entity value. Absent if the extracted value could
-       * not be converted or the type (e.g. address) is not supported for certain
-       * parsers. This field is also only populated for certain supported document
-       * types.
+       * not be converted or the type (for example, address) is not supported for
+       * certain parsers. This field is also only populated for certain supported
+       * document types.
        * </pre>
        *
        * <code>
@@ -50663,9 +50729,9 @@ public Builder clearNormalizedValue() {
        *
        * <pre>
        * Optional. Normalized entity value. Absent if the extracted value could
-       * not be converted or the type (e.g. address) is not supported for certain
-       * parsers. This field is also only populated for certain supported document
-       * types.
+       * not be converted or the type (for example, address) is not supported for
+       * certain parsers. This field is also only populated for certain supported
+       * document types.
        * </pre>
        *
        * <code>
@@ -50684,9 +50750,9 @@ public Builder clearNormalizedValue() {
        *
        * <pre>
        * Optional. Normalized entity value. Absent if the extracted value could
-       * not be converted or the type (e.g. address) is not supported for certain
-       * parsers. This field is also only populated for certain supported document
-       * types.
+       * not be converted or the type (for example, address) is not supported for
+       * certain parsers. This field is also only populated for certain supported
+       * document types.
        * </pre>
        *
        * <code>
@@ -50709,9 +50775,9 @@ public Builder clearNormalizedValue() {
        *
        * <pre>
        * Optional. Normalized entity value. Absent if the extracted value could
-       * not be converted or the type (e.g. address) is not supported for certain
-       * parsers. This field is also only populated for certain supported document
-       * types.
+       * not be converted or the type (for example, address) is not supported for
+       * certain parsers. This field is also only populated for certain supported
+       * document types.
        * </pre>
        *
        * <code>
@@ -54777,7 +54843,7 @@ public interface PageRefOrBuilder
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.PageAnchor.PageRef.layout_id is deprecated.
-       *     See google/cloud/documentai/v1/document.proto;l=771
+       *     See google/cloud/documentai/v1/document.proto;l=775
        * @return The layoutId.
        */
       @java.lang.Deprecated
@@ -54796,7 +54862,7 @@ public interface PageRefOrBuilder
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.PageAnchor.PageRef.layout_id is deprecated.
-       *     See google/cloud/documentai/v1/document.proto;l=771
+       *     See google/cloud/documentai/v1/document.proto;l=775
        * @return The bytes for layoutId.
        */
       @java.lang.Deprecated
@@ -55318,7 +55384,7 @@ public com.google.cloud.documentai.v1.Document.PageAnchor.PageRef.LayoutType get
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.PageAnchor.PageRef.layout_id is deprecated.
-       *     See google/cloud/documentai/v1/document.proto;l=771
+       *     See google/cloud/documentai/v1/document.proto;l=775
        * @return The layoutId.
        */
       @java.lang.Override
@@ -55348,7 +55414,7 @@ public java.lang.String getLayoutId() {
        * </code>
        *
        * @deprecated google.cloud.documentai.v1.Document.PageAnchor.PageRef.layout_id is deprecated.
-       *     See google/cloud/documentai/v1/document.proto;l=771
+       *     See google/cloud/documentai/v1/document.proto;l=775
        * @return The bytes for layoutId.
        */
       @java.lang.Override
@@ -56085,7 +56151,7 @@ public Builder clearLayoutType() {
          * </code>
          *
          * @deprecated google.cloud.documentai.v1.Document.PageAnchor.PageRef.layout_id is
-         *     deprecated. See google/cloud/documentai/v1/document.proto;l=771
+         *     deprecated. See google/cloud/documentai/v1/document.proto;l=775
          * @return The layoutId.
          */
         @java.lang.Deprecated
@@ -56114,7 +56180,7 @@ public java.lang.String getLayoutId() {
          * </code>
          *
          * @deprecated google.cloud.documentai.v1.Document.PageAnchor.PageRef.layout_id is
-         *     deprecated. See google/cloud/documentai/v1/document.proto;l=771
+         *     deprecated. See google/cloud/documentai/v1/document.proto;l=775
          * @return The bytes for layoutId.
          */
         @java.lang.Deprecated
@@ -56143,7 +56209,7 @@ public com.google.protobuf.ByteString getLayoutIdBytes() {
          * </code>
          *
          * @deprecated google.cloud.documentai.v1.Document.PageAnchor.PageRef.layout_id is
-         *     deprecated. See google/cloud/documentai/v1/document.proto;l=771
+         *     deprecated. See google/cloud/documentai/v1/document.proto;l=775
          * @param value The layoutId to set.
          * @return This builder for chaining.
          */
@@ -56171,7 +56237,7 @@ public Builder setLayoutId(java.lang.String value) {
          * </code>
          *
          * @deprecated google.cloud.documentai.v1.Document.PageAnchor.PageRef.layout_id is
-         *     deprecated. See google/cloud/documentai/v1/document.proto;l=771
+         *     deprecated. See google/cloud/documentai/v1/document.proto;l=775
          * @return This builder for chaining.
          */
         @java.lang.Deprecated
@@ -56195,7 +56261,7 @@ public Builder clearLayoutId() {
          * </code>
          *
          * @deprecated google.cloud.documentai.v1.Document.PageAnchor.PageRef.layout_id is
-         *     deprecated. See google/cloud/documentai/v1/document.proto;l=771
+         *     deprecated. See google/cloud/documentai/v1/document.proto;l=775
          * @param value The bytes for layoutId to set.
          * @return This builder for chaining.
          */
@@ -57466,7 +57532,7 @@ public interface ProvenanceOrBuilder
      * <code>int32 revision = 1 [deprecated = true];</code>
      *
      * @deprecated google.cloud.documentai.v1.Document.Provenance.revision is deprecated. See
-     *     google/cloud/documentai/v1/document.proto;l=839
+     *     google/cloud/documentai/v1/document.proto;l=843
      * @return The revision.
      */
     @java.lang.Deprecated
@@ -57483,7 +57549,7 @@ public interface ProvenanceOrBuilder
      * <code>int32 id = 2 [deprecated = true];</code>
      *
      * @deprecated google.cloud.documentai.v1.Document.Provenance.id is deprecated. See
-     *     google/cloud/documentai/v1/document.proto;l=843
+     *     google/cloud/documentai/v1/document.proto;l=847
      * @return The id.
      */
     @java.lang.Deprecated
@@ -57969,7 +58035,7 @@ public interface ParentOrBuilder
        * <code>int32 id = 2 [deprecated = true];</code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Provenance.Parent.id is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=802
+       *     google/cloud/documentai/v1/document.proto;l=806
        * @return The id.
        */
       @java.lang.Deprecated
@@ -58076,7 +58142,7 @@ public int getIndex() {
        * <code>int32 id = 2 [deprecated = true];</code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Provenance.Parent.id is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=802
+       *     google/cloud/documentai/v1/document.proto;l=806
        * @return The id.
        */
       @java.lang.Override
@@ -58571,7 +58637,7 @@ public Builder clearIndex() {
          * <code>int32 id = 2 [deprecated = true];</code>
          *
          * @deprecated google.cloud.documentai.v1.Document.Provenance.Parent.id is deprecated. See
-         *     google/cloud/documentai/v1/document.proto;l=802
+         *     google/cloud/documentai/v1/document.proto;l=806
          * @return The id.
          */
         @java.lang.Override
@@ -58590,7 +58656,7 @@ public int getId() {
          * <code>int32 id = 2 [deprecated = true];</code>
          *
          * @deprecated google.cloud.documentai.v1.Document.Provenance.Parent.id is deprecated. See
-         *     google/cloud/documentai/v1/document.proto;l=802
+         *     google/cloud/documentai/v1/document.proto;l=806
          * @param value The id to set.
          * @return This builder for chaining.
          */
@@ -58613,7 +58679,7 @@ public Builder setId(int value) {
          * <code>int32 id = 2 [deprecated = true];</code>
          *
          * @deprecated google.cloud.documentai.v1.Document.Provenance.Parent.id is deprecated. See
-         *     google/cloud/documentai/v1/document.proto;l=802
+         *     google/cloud/documentai/v1/document.proto;l=806
          * @return This builder for chaining.
          */
         @java.lang.Deprecated
@@ -58690,7 +58756,7 @@ public com.google.cloud.documentai.v1.Document.Provenance.Parent getDefaultInsta
      * <code>int32 revision = 1 [deprecated = true];</code>
      *
      * @deprecated google.cloud.documentai.v1.Document.Provenance.revision is deprecated. See
-     *     google/cloud/documentai/v1/document.proto;l=839
+     *     google/cloud/documentai/v1/document.proto;l=843
      * @return The revision.
      */
     @java.lang.Override
@@ -58713,7 +58779,7 @@ public int getRevision() {
      * <code>int32 id = 2 [deprecated = true];</code>
      *
      * @deprecated google.cloud.documentai.v1.Document.Provenance.id is deprecated. See
-     *     google/cloud/documentai/v1/document.proto;l=843
+     *     google/cloud/documentai/v1/document.proto;l=847
      * @return The id.
      */
     @java.lang.Override
@@ -59284,7 +59350,7 @@ public Builder mergeFrom(
        * <code>int32 revision = 1 [deprecated = true];</code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Provenance.revision is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=839
+       *     google/cloud/documentai/v1/document.proto;l=843
        * @return The revision.
        */
       @java.lang.Override
@@ -59303,7 +59369,7 @@ public int getRevision() {
        * <code>int32 revision = 1 [deprecated = true];</code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Provenance.revision is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=839
+       *     google/cloud/documentai/v1/document.proto;l=843
        * @param value The revision to set.
        * @return This builder for chaining.
        */
@@ -59326,7 +59392,7 @@ public Builder setRevision(int value) {
        * <code>int32 revision = 1 [deprecated = true];</code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Provenance.revision is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=839
+       *     google/cloud/documentai/v1/document.proto;l=843
        * @return This builder for chaining.
        */
       @java.lang.Deprecated
@@ -59350,7 +59416,7 @@ public Builder clearRevision() {
        * <code>int32 id = 2 [deprecated = true];</code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Provenance.id is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=843
+       *     google/cloud/documentai/v1/document.proto;l=847
        * @return The id.
        */
       @java.lang.Override
@@ -59370,7 +59436,7 @@ public int getId() {
        * <code>int32 id = 2 [deprecated = true];</code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Provenance.id is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=843
+       *     google/cloud/documentai/v1/document.proto;l=847
        * @param value The id to set.
        * @return This builder for chaining.
        */
@@ -59394,7 +59460,7 @@ public Builder setId(int value) {
        * <code>int32 id = 2 [deprecated = true];</code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Provenance.id is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=843
+       *     google/cloud/documentai/v1/document.proto;l=847
        * @return This builder for chaining.
        */
       @java.lang.Deprecated
@@ -60066,7 +60132,7 @@ public interface RevisionOrBuilder
      * <code>repeated int32 parent = 2 [deprecated = true];</code>
      *
      * @deprecated google.cloud.documentai.v1.Document.Revision.parent is deprecated. See
-     *     google/cloud/documentai/v1/document.proto;l=882
+     *     google/cloud/documentai/v1/document.proto;l=886
      * @return A list containing the parent.
      */
     @java.lang.Deprecated
@@ -60084,7 +60150,7 @@ public interface RevisionOrBuilder
      * <code>repeated int32 parent = 2 [deprecated = true];</code>
      *
      * @deprecated google.cloud.documentai.v1.Document.Revision.parent is deprecated. See
-     *     google/cloud/documentai/v1/document.proto;l=882
+     *     google/cloud/documentai/v1/document.proto;l=886
      * @return The count of parent.
      */
     @java.lang.Deprecated
@@ -60102,7 +60168,7 @@ public interface RevisionOrBuilder
      * <code>repeated int32 parent = 2 [deprecated = true];</code>
      *
      * @deprecated google.cloud.documentai.v1.Document.Revision.parent is deprecated. See
-     *     google/cloud/documentai/v1/document.proto;l=882
+     *     google/cloud/documentai/v1/document.proto;l=886
      * @param index The index of the element to return.
      * @return The parent at the given index.
      */
@@ -60311,7 +60377,7 @@ public interface HumanReviewOrBuilder
        *
        *
        * <pre>
-       * Human review state. e.g. `requested`, `succeeded`, `rejected`.
+       * Human review state. For example, `requested`, `succeeded`, `rejected`.
        * </pre>
        *
        * <code>string state = 1;</code>
@@ -60324,7 +60390,7 @@ public interface HumanReviewOrBuilder
        *
        *
        * <pre>
-       * Human review state. e.g. `requested`, `succeeded`, `rejected`.
+       * Human review state. For example, `requested`, `succeeded`, `rejected`.
        * </pre>
        *
        * <code>string state = 1;</code>
@@ -60421,7 +60487,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
        *
        *
        * <pre>
-       * Human review state. e.g. `requested`, `succeeded`, `rejected`.
+       * Human review state. For example, `requested`, `succeeded`, `rejected`.
        * </pre>
        *
        * <code>string state = 1;</code>
@@ -60445,7 +60511,7 @@ public java.lang.String getState() {
        *
        *
        * <pre>
-       * Human review state. e.g. `requested`, `succeeded`, `rejected`.
+       * Human review state. For example, `requested`, `succeeded`, `rejected`.
        * </pre>
        *
        * <code>string state = 1;</code>
@@ -60867,7 +60933,7 @@ public Builder mergeFrom(
          *
          *
          * <pre>
-         * Human review state. e.g. `requested`, `succeeded`, `rejected`.
+         * Human review state. For example, `requested`, `succeeded`, `rejected`.
          * </pre>
          *
          * <code>string state = 1;</code>
@@ -60890,7 +60956,7 @@ public java.lang.String getState() {
          *
          *
          * <pre>
-         * Human review state. e.g. `requested`, `succeeded`, `rejected`.
+         * Human review state. For example, `requested`, `succeeded`, `rejected`.
          * </pre>
          *
          * <code>string state = 1;</code>
@@ -60913,7 +60979,7 @@ public com.google.protobuf.ByteString getStateBytes() {
          *
          *
          * <pre>
-         * Human review state. e.g. `requested`, `succeeded`, `rejected`.
+         * Human review state. For example, `requested`, `succeeded`, `rejected`.
          * </pre>
          *
          * <code>string state = 1;</code>
@@ -60935,7 +61001,7 @@ public Builder setState(java.lang.String value) {
          *
          *
          * <pre>
-         * Human review state. e.g. `requested`, `succeeded`, `rejected`.
+         * Human review state. For example, `requested`, `succeeded`, `rejected`.
          * </pre>
          *
          * <code>string state = 1;</code>
@@ -60953,7 +61019,7 @@ public Builder clearState() {
          *
          *
          * <pre>
-         * Human review state. e.g. `requested`, `succeeded`, `rejected`.
+         * Human review state. For example, `requested`, `succeeded`, `rejected`.
          * </pre>
          *
          * <code>string state = 1;</code>
@@ -61418,7 +61484,7 @@ public com.google.protobuf.ByteString getIdBytes() {
      * <code>repeated int32 parent = 2 [deprecated = true];</code>
      *
      * @deprecated google.cloud.documentai.v1.Document.Revision.parent is deprecated. See
-     *     google/cloud/documentai/v1/document.proto;l=882
+     *     google/cloud/documentai/v1/document.proto;l=886
      * @return A list containing the parent.
      */
     @java.lang.Override
@@ -61439,7 +61505,7 @@ public java.util.List<java.lang.Integer> getParentList() {
      * <code>repeated int32 parent = 2 [deprecated = true];</code>
      *
      * @deprecated google.cloud.documentai.v1.Document.Revision.parent is deprecated. See
-     *     google/cloud/documentai/v1/document.proto;l=882
+     *     google/cloud/documentai/v1/document.proto;l=886
      * @return The count of parent.
      */
     @java.lang.Deprecated
@@ -61459,7 +61525,7 @@ public int getParentCount() {
      * <code>repeated int32 parent = 2 [deprecated = true];</code>
      *
      * @deprecated google.cloud.documentai.v1.Document.Revision.parent is deprecated. See
-     *     google/cloud/documentai/v1/document.proto;l=882
+     *     google/cloud/documentai/v1/document.proto;l=886
      * @param index The index of the element to return.
      * @return The parent at the given index.
      */
@@ -62658,7 +62724,7 @@ private void ensureParentIsMutable() {
        * <code>repeated int32 parent = 2 [deprecated = true];</code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Revision.parent is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=882
+       *     google/cloud/documentai/v1/document.proto;l=886
        * @return A list containing the parent.
        */
       @java.lang.Deprecated
@@ -62679,7 +62745,7 @@ public java.util.List<java.lang.Integer> getParentList() {
        * <code>repeated int32 parent = 2 [deprecated = true];</code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Revision.parent is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=882
+       *     google/cloud/documentai/v1/document.proto;l=886
        * @return The count of parent.
        */
       @java.lang.Deprecated
@@ -62699,7 +62765,7 @@ public int getParentCount() {
        * <code>repeated int32 parent = 2 [deprecated = true];</code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Revision.parent is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=882
+       *     google/cloud/documentai/v1/document.proto;l=886
        * @param index The index of the element to return.
        * @return The parent at the given index.
        */
@@ -62720,7 +62786,7 @@ public int getParent(int index) {
        * <code>repeated int32 parent = 2 [deprecated = true];</code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Revision.parent is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=882
+       *     google/cloud/documentai/v1/document.proto;l=886
        * @param index The index to set the value at.
        * @param value The parent to set.
        * @return This builder for chaining.
@@ -62747,7 +62813,7 @@ public Builder setParent(int index, int value) {
        * <code>repeated int32 parent = 2 [deprecated = true];</code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Revision.parent is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=882
+       *     google/cloud/documentai/v1/document.proto;l=886
        * @param value The parent to add.
        * @return This builder for chaining.
        */
@@ -62773,7 +62839,7 @@ public Builder addParent(int value) {
        * <code>repeated int32 parent = 2 [deprecated = true];</code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Revision.parent is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=882
+       *     google/cloud/documentai/v1/document.proto;l=886
        * @param values The parent to add.
        * @return This builder for chaining.
        */
@@ -62798,7 +62864,7 @@ public Builder addAllParent(java.lang.Iterable<? extends java.lang.Integer> valu
        * <code>repeated int32 parent = 2 [deprecated = true];</code>
        *
        * @deprecated google.cloud.documentai.v1.Document.Revision.parent is deprecated. See
-       *     google/cloud/documentai/v1/document.proto;l=882
+       *     google/cloud/documentai/v1/document.proto;l=886
        * @return This builder for chaining.
        */
       @java.lang.Deprecated
@@ -65148,96 +65214,51 @@ public com.google.cloud.documentai.v1.Document.TextChange getDefaultInstanceForT
     }
   }
 
-  public interface DocumentLayoutOrBuilder
+  public interface AnnotationsOrBuilder
       extends
-      // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1.Document.DocumentLayout)
+      // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1.Document.Annotations)
       com.google.protobuf.MessageOrBuilder {
 
     /**
      *
      *
      * <pre>
-     * List of blocks in the document.
-     * </pre>
-     *
-     * <code>
-     * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
-     * </code>
-     */
-    java.util.List<com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock>
-        getBlocksList();
-
-    /**
-     *
-     *
-     * <pre>
-     * List of blocks in the document.
+     * The description of the content with this annotation.
      * </pre>
      *
-     * <code>
-     * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
-     * </code>
-     */
-    com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock getBlocks(int index);
-
-    /**
-     *
-     *
-     * <pre>
-     * List of blocks in the document.
-     * </pre>
+     * <code>string description = 1;</code>
      *
-     * <code>
-     * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
-     * </code>
+     * @return The description.
      */
-    int getBlocksCount();
+    java.lang.String getDescription();
 
     /**
      *
      *
      * <pre>
-     * List of blocks in the document.
+     * The description of the content with this annotation.
      * </pre>
      *
-     * <code>
-     * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
-     * </code>
-     */
-    java.util.List<
-            ? extends
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlockOrBuilder>
-        getBlocksOrBuilderList();
-
-    /**
-     *
-     *
-     * <pre>
-     * List of blocks in the document.
-     * </pre>
+     * <code>string description = 1;</code>
      *
-     * <code>
-     * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
-     * </code>
+     * @return The bytes for description.
      */
-    com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlockOrBuilder
-        getBlocksOrBuilder(int index);
+    com.google.protobuf.ByteString getDescriptionBytes();
   }
 
   /**
    *
    *
    * <pre>
-   * Represents the parsed layout of a document as a collection of blocks that
-   * the document is divided into.
+   * Represents the annotation of a block or a chunk.
    * </pre>
    *
-   * Protobuf type {@code google.cloud.documentai.v1.Document.DocumentLayout}
+   * Protobuf type {@code google.cloud.documentai.v1.Document.Annotations}
    */
-  public static final class DocumentLayout extends com.google.protobuf.GeneratedMessage
+  public static final class Annotations extends com.google.protobuf.GeneratedMessage
       implements
-      // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1.Document.DocumentLayout)
-      DocumentLayoutOrBuilder {
+      // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1.Document.Annotations)
+      AnnotationsOrBuilder {
     private static final long serialVersionUID = 0L;
 
     static {
@@ -65247,132 +65268,785 @@ public static final class DocumentLayout extends com.google.protobuf.GeneratedMe
           /* minor= */ 33,
           /* patch= */ 2,
           /* suffix= */ "",
-          "DocumentLayout");
+          "Annotations");
     }
 
-    // Use DocumentLayout.newBuilder() to construct.
-    private DocumentLayout(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    // Use Annotations.newBuilder() to construct.
+    private Annotations(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
-    private DocumentLayout() {
-      blocks_ = java.util.Collections.emptyList();
+    private Annotations() {
+      description_ = "";
     }
 
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.documentai.v1.DocumentProto
-          .internal_static_google_cloud_documentai_v1_Document_DocumentLayout_descriptor;
+          .internal_static_google_cloud_documentai_v1_Document_Annotations_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.documentai.v1.DocumentProto
-          .internal_static_google_cloud_documentai_v1_Document_DocumentLayout_fieldAccessorTable
+          .internal_static_google_cloud_documentai_v1_Document_Annotations_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.cloud.documentai.v1.Document.DocumentLayout.class,
-              com.google.cloud.documentai.v1.Document.DocumentLayout.Builder.class);
+              com.google.cloud.documentai.v1.Document.Annotations.class,
+              com.google.cloud.documentai.v1.Document.Annotations.Builder.class);
     }
 
-    public interface DocumentLayoutBlockOrBuilder
-        extends
-        // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock)
-        com.google.protobuf.MessageOrBuilder {
+    public static final int DESCRIPTION_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object description_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * The description of the content with this annotation.
+     * </pre>
+     *
+     * <code>string description = 1;</code>
+     *
+     * @return The description.
+     */
+    @java.lang.Override
+    public java.lang.String getDescription() {
+      java.lang.Object ref = description_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        description_ = s;
+        return s;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The description of the content with this annotation.
+     * </pre>
+     *
+     * <code>string description = 1;</code>
+     *
+     * @return The bytes for description.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getDescriptionBytes() {
+      java.lang.Object ref = description_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        description_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(description_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, description_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(description_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, description_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj instanceof com.google.cloud.documentai.v1.Document.Annotations)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.documentai.v1.Document.Annotations other =
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+
+      if (!getDescription().equals(other.getDescription())) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
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+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
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+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + DESCRIPTION_FIELD_NUMBER;
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+      memoizedHashCode = hash;
+      return hash;
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+
+    public static com.google.cloud.documentai.v1.Document.Annotations parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.documentai.v1.Document.Annotations parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.documentai.v1.Document.Annotations parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.documentai.v1.Document.Annotations parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.documentai.v1.Document.Annotations parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.documentai.v1.Document.Annotations parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.documentai.v1.Document.Annotations parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.documentai.v1.Document.Annotations parseFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.documentai.v1.Document.Annotations parseDelimitedFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.documentai.v1.Document.Annotations parseDelimitedFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.documentai.v1.Document.Annotations parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.documentai.v1.Document.Annotations parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.documentai.v1.Document.Annotations prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
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+      return builder;
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+
+    /**
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+     * <pre>
+     * Represents the annotation of a block or a chunk.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.documentai.v1.Document.Annotations}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.documentai.v1.Document.Annotations)
+        com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.documentai.v1.DocumentProto
+            .internal_static_google_cloud_documentai_v1_Document_Annotations_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
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+      }
+
+      // Construct using com.google.cloud.documentai.v1.Document.Annotations.newBuilder()
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+       * @return This builder for chaining.
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-          getTextBlockOrBuilder();
+      public Builder setDescription(java.lang.String value) {
+        if (value == null) {
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        * </pre>
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        *
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+       * @param value The bytes for description to set.
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-          getTableBlockOrBuilder();
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+          public Annotations parsePartialFrom(
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+    int getBlocksCount();
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+    /**
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+     *
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+  }
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+    // Use DocumentLayout.newBuilder() to construct.
+    private DocumentLayout(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
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+      return com.google.cloud.documentai.v1.DocumentProto
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+        // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock)
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+       * <pre>
+       * Block consisting of text content.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
+       * </code>
+       *
+       * @return Whether the textBlock field is set.
+       */
+      boolean hasTextBlock();
+
+      /**
+       *
+       *
+       * <pre>
+       * Block consisting of text content.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
+       * </code>
+       *
+       * @return The textBlock.
+       */
+      com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock
+          getTextBlock();
+
+      /**
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+       *
+       * <pre>
+       * Block consisting of text content.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
+       * </code>
+       */
+      com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+              .LayoutTextBlockOrBuilder
+          getTextBlockOrBuilder();
+
+      /**
+       *
+       *
+       * <pre>
+       * Block consisting of table content/structure.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock table_block = 3;
+       * </code>
+       *
+       * @return Whether the tableBlock field is set.
+       */
+      boolean hasTableBlock();
+
+      /**
+       *
+       *
+       * <pre>
+       * Block consisting of table content/structure.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock table_block = 3;
+       * </code>
+       *
+       * @return The tableBlock.
+       */
+      com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock
+          getTableBlock();
+
+      /**
+       *
+       *
+       * <pre>
+       * Block consisting of table content/structure.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock table_block = 3;
+       * </code>
+       */
+      com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+              .LayoutTableBlockOrBuilder
+          getTableBlockOrBuilder();
+
+      /**
+       *
        *
        * <pre>
        * Block consisting of list content/structure.
@@ -65417,6 +66091,52 @@ public interface DocumentLayoutBlockOrBuilder
               .LayoutListBlockOrBuilder
           getListBlockOrBuilder();
 
+      /**
+       *
+       *
+       * <pre>
+       * Block consisting of image content.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutImageBlock image_block = 7;
+       * </code>
+       *
+       * @return Whether the imageBlock field is set.
+       */
+      boolean hasImageBlock();
+
+      /**
+       *
+       *
+       * <pre>
+       * Block consisting of image content.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutImageBlock image_block = 7;
+       * </code>
+       *
+       * @return The imageBlock.
+       */
+      com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutImageBlock
+          getImageBlock();
+
+      /**
+       *
+       *
+       * <pre>
+       * Block consisting of image content.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutImageBlock image_block = 7;
+       * </code>
+       */
+      com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+              .LayoutImageBlockOrBuilder
+          getImageBlockOrBuilder();
+
       /**
        *
        *
@@ -66403,6 +67123,43 @@ com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock getBl
          */
         com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlockOrBuilder
             getBlocksOrBuilder(int index);
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the text block.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+         *
+         * @return Whether the annotations field is set.
+         */
+        boolean hasAnnotations();
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the text block.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+         *
+         * @return The annotations.
+         */
+        com.google.cloud.documentai.v1.Document.Annotations getAnnotations();
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the text block.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+         */
+        com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder getAnnotationsOrBuilder();
       }
 
       /**
@@ -66459,6 +67216,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
                       .LayoutTextBlock.Builder.class);
         }
 
+        private int bitField0_;
         public static final int TEXT_FIELD_NUMBER = 1;
 
         @SuppressWarnings("serial")
@@ -66669,6 +67427,60 @@ public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBloc
           return blocks_.get(index);
         }
 
+        public static final int ANNOTATIONS_FIELD_NUMBER = 4;
+        private com.google.cloud.documentai.v1.Document.Annotations annotations_;
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the text block.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+         *
+         * @return Whether the annotations field is set.
+         */
+        @java.lang.Override
+        public boolean hasAnnotations() {
+          return ((bitField0_ & 0x00000001) != 0);
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the text block.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+         *
+         * @return The annotations.
+         */
+        @java.lang.Override
+        public com.google.cloud.documentai.v1.Document.Annotations getAnnotations() {
+          return annotations_ == null
+              ? com.google.cloud.documentai.v1.Document.Annotations.getDefaultInstance()
+              : annotations_;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the text block.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+         */
+        @java.lang.Override
+        public com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder
+            getAnnotationsOrBuilder() {
+          return annotations_ == null
+              ? com.google.cloud.documentai.v1.Document.Annotations.getDefaultInstance()
+              : annotations_;
+        }
+
         private byte memoizedIsInitialized = -1;
 
         @java.lang.Override
@@ -66693,6 +67505,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output)
           for (int i = 0; i < blocks_.size(); i++) {
             output.writeMessage(3, blocks_.get(i));
           }
+          if (((bitField0_ & 0x00000001) != 0)) {
+            output.writeMessage(4, getAnnotations());
+          }
           getUnknownFields().writeTo(output);
         }
 
@@ -66711,6 +67526,9 @@ public int getSerializedSize() {
           for (int i = 0; i < blocks_.size(); i++) {
             size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, blocks_.get(i));
           }
+          if (((bitField0_ & 0x00000001) != 0)) {
+            size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, getAnnotations());
+          }
           size += getUnknownFields().getSerializedSize();
           memoizedSize = size;
           return size;
@@ -66736,6 +67554,10 @@ public boolean equals(final java.lang.Object obj) {
           if (!getText().equals(other.getText())) return false;
           if (!getType().equals(other.getType())) return false;
           if (!getBlocksList().equals(other.getBlocksList())) return false;
+          if (hasAnnotations() != other.hasAnnotations()) return false;
+          if (hasAnnotations()) {
+            if (!getAnnotations().equals(other.getAnnotations())) return false;
+          }
           if (!getUnknownFields().equals(other.getUnknownFields())) return false;
           return true;
         }
@@ -66755,6 +67577,10 @@ public int hashCode() {
             hash = (37 * hash) + BLOCKS_FIELD_NUMBER;
             hash = (53 * hash) + getBlocksList().hashCode();
           }
+          if (hasAnnotations()) {
+            hash = (37 * hash) + ANNOTATIONS_FIELD_NUMBER;
+            hash = (53 * hash) + getAnnotations().hashCode();
+          }
           hash = (29 * hash) + getUnknownFields().hashCode();
           memoizedHashCode = hash;
           return hash;
@@ -66916,10 +67742,20 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
 
           // Construct using
           // com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock.newBuilder()
-          private Builder() {}
+          private Builder() {
+            maybeForceBuilderInitialization();
+          }
 
           private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
             super(parent);
+            maybeForceBuilderInitialization();
+          }
+
+          private void maybeForceBuilderInitialization() {
+            if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+              internalGetBlocksFieldBuilder();
+              internalGetAnnotationsFieldBuilder();
+            }
           }
 
           @java.lang.Override
@@ -66935,6 +67771,11 @@ public Builder clear() {
               blocksBuilder_.clear();
             }
             bitField0_ = (bitField0_ & ~0x00000004);
+            annotations_ = null;
+            if (annotationsBuilder_ != null) {
+              annotationsBuilder_.dispose();
+              annotationsBuilder_ = null;
+            }
             return this;
           }
 
@@ -67008,6 +67849,13 @@ private void buildPartial0(
             if (((from_bitField0_ & 0x00000002) != 0)) {
               result.type_ = type_;
             }
+            int to_bitField0_ = 0;
+            if (((from_bitField0_ & 0x00000008) != 0)) {
+              result.annotations_ =
+                  annotationsBuilder_ == null ? annotations_ : annotationsBuilder_.build();
+              to_bitField0_ |= 0x00000001;
+            }
+            result.bitField0_ |= to_bitField0_;
           }
 
           @java.lang.Override
@@ -67070,6 +67918,9 @@ public Builder mergeFrom(
                 }
               }
             }
+            if (other.hasAnnotations()) {
+              mergeAnnotations(other.getAnnotations());
+            }
             this.mergeUnknownFields(other.getUnknownFields());
             onChanged();
             return this;
@@ -67123,6 +67974,13 @@ public Builder mergeFrom(
                       }
                       break;
                     } // case 26
+                  case 34:
+                    {
+                      input.readMessage(
+                          internalGetAnnotationsFieldBuilder().getBuilder(), extensionRegistry);
+                      bitField0_ |= 0x00000008;
+                      break;
+                    } // case 34
                   default:
                     {
                       if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -67836,6 +68694,205 @@ public Builder removeBlocks(int index) {
             return blocksBuilder_;
           }
 
+          private com.google.cloud.documentai.v1.Document.Annotations annotations_;
+          private com.google.protobuf.SingleFieldBuilder<
+                  com.google.cloud.documentai.v1.Document.Annotations,
+                  com.google.cloud.documentai.v1.Document.Annotations.Builder,
+                  com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder>
+              annotationsBuilder_;
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the text block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+           *
+           * @return Whether the annotations field is set.
+           */
+          public boolean hasAnnotations() {
+            return ((bitField0_ & 0x00000008) != 0);
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the text block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+           *
+           * @return The annotations.
+           */
+          public com.google.cloud.documentai.v1.Document.Annotations getAnnotations() {
+            if (annotationsBuilder_ == null) {
+              return annotations_ == null
+                  ? com.google.cloud.documentai.v1.Document.Annotations.getDefaultInstance()
+                  : annotations_;
+            } else {
+              return annotationsBuilder_.getMessage();
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the text block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+           */
+          public Builder setAnnotations(com.google.cloud.documentai.v1.Document.Annotations value) {
+            if (annotationsBuilder_ == null) {
+              if (value == null) {
+                throw new NullPointerException();
+              }
+              annotations_ = value;
+            } else {
+              annotationsBuilder_.setMessage(value);
+            }
+            bitField0_ |= 0x00000008;
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the text block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+           */
+          public Builder setAnnotations(
+              com.google.cloud.documentai.v1.Document.Annotations.Builder builderForValue) {
+            if (annotationsBuilder_ == null) {
+              annotations_ = builderForValue.build();
+            } else {
+              annotationsBuilder_.setMessage(builderForValue.build());
+            }
+            bitField0_ |= 0x00000008;
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the text block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+           */
+          public Builder mergeAnnotations(
+              com.google.cloud.documentai.v1.Document.Annotations value) {
+            if (annotationsBuilder_ == null) {
+              if (((bitField0_ & 0x00000008) != 0)
+                  && annotations_ != null
+                  && annotations_
+                      != com.google.cloud.documentai.v1.Document.Annotations.getDefaultInstance()) {
+                getAnnotationsBuilder().mergeFrom(value);
+              } else {
+                annotations_ = value;
+              }
+            } else {
+              annotationsBuilder_.mergeFrom(value);
+            }
+            if (annotations_ != null) {
+              bitField0_ |= 0x00000008;
+              onChanged();
+            }
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the text block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+           */
+          public Builder clearAnnotations() {
+            bitField0_ = (bitField0_ & ~0x00000008);
+            annotations_ = null;
+            if (annotationsBuilder_ != null) {
+              annotationsBuilder_.dispose();
+              annotationsBuilder_ = null;
+            }
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the text block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+           */
+          public com.google.cloud.documentai.v1.Document.Annotations.Builder
+              getAnnotationsBuilder() {
+            bitField0_ |= 0x00000008;
+            onChanged();
+            return internalGetAnnotationsFieldBuilder().getBuilder();
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the text block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+           */
+          public com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder
+              getAnnotationsOrBuilder() {
+            if (annotationsBuilder_ != null) {
+              return annotationsBuilder_.getMessageOrBuilder();
+            } else {
+              return annotations_ == null
+                  ? com.google.cloud.documentai.v1.Document.Annotations.getDefaultInstance()
+                  : annotations_;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the text block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+           */
+          private com.google.protobuf.SingleFieldBuilder<
+                  com.google.cloud.documentai.v1.Document.Annotations,
+                  com.google.cloud.documentai.v1.Document.Annotations.Builder,
+                  com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder>
+              internalGetAnnotationsFieldBuilder() {
+            if (annotationsBuilder_ == null) {
+              annotationsBuilder_ =
+                  new com.google.protobuf.SingleFieldBuilder<
+                      com.google.cloud.documentai.v1.Document.Annotations,
+                      com.google.cloud.documentai.v1.Document.Annotations.Builder,
+                      com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder>(
+                      getAnnotations(), getParentForChildren(), isClean());
+              annotations_ = null;
+            }
+            return annotationsBuilder_;
+          }
+
           // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock)
         }
 
@@ -68076,6 +69133,43 @@ public interface LayoutTableBlockOrBuilder
          * @return The bytes for caption.
          */
         com.google.protobuf.ByteString getCaptionBytes();
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the table block.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+         *
+         * @return Whether the annotations field is set.
+         */
+        boolean hasAnnotations();
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the table block.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+         *
+         * @return The annotations.
+         */
+        com.google.cloud.documentai.v1.Document.Annotations getAnnotations();
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the table block.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+         */
+        com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder getAnnotationsOrBuilder();
       }
 
       /**
@@ -68132,6 +69226,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
                       .LayoutTableBlock.Builder.class);
         }
 
+        private int bitField0_;
         public static final int HEADER_ROWS_FIELD_NUMBER = 1;
 
         @SuppressWarnings("serial")
@@ -68383,6 +69478,60 @@ public com.google.protobuf.ByteString getCaptionBytes() {
           }
         }
 
+        public static final int ANNOTATIONS_FIELD_NUMBER = 4;
+        private com.google.cloud.documentai.v1.Document.Annotations annotations_;
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the table block.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+         *
+         * @return Whether the annotations field is set.
+         */
+        @java.lang.Override
+        public boolean hasAnnotations() {
+          return ((bitField0_ & 0x00000001) != 0);
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the table block.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+         *
+         * @return The annotations.
+         */
+        @java.lang.Override
+        public com.google.cloud.documentai.v1.Document.Annotations getAnnotations() {
+          return annotations_ == null
+              ? com.google.cloud.documentai.v1.Document.Annotations.getDefaultInstance()
+              : annotations_;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the table block.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+         */
+        @java.lang.Override
+        public com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder
+            getAnnotationsOrBuilder() {
+          return annotations_ == null
+              ? com.google.cloud.documentai.v1.Document.Annotations.getDefaultInstance()
+              : annotations_;
+        }
+
         private byte memoizedIsInitialized = -1;
 
         @java.lang.Override
@@ -68407,6 +69556,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output)
           if (!com.google.protobuf.GeneratedMessage.isStringEmpty(caption_)) {
             com.google.protobuf.GeneratedMessage.writeString(output, 3, caption_);
           }
+          if (((bitField0_ & 0x00000001) != 0)) {
+            output.writeMessage(4, getAnnotations());
+          }
           getUnknownFields().writeTo(output);
         }
 
@@ -68425,6 +69577,9 @@ public int getSerializedSize() {
           if (!com.google.protobuf.GeneratedMessage.isStringEmpty(caption_)) {
             size += com.google.protobuf.GeneratedMessage.computeStringSize(3, caption_);
           }
+          if (((bitField0_ & 0x00000001) != 0)) {
+            size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, getAnnotations());
+          }
           size += getUnknownFields().getSerializedSize();
           memoizedSize = size;
           return size;
@@ -68451,6 +69606,10 @@ public boolean equals(final java.lang.Object obj) {
           if (!getHeaderRowsList().equals(other.getHeaderRowsList())) return false;
           if (!getBodyRowsList().equals(other.getBodyRowsList())) return false;
           if (!getCaption().equals(other.getCaption())) return false;
+          if (hasAnnotations() != other.hasAnnotations()) return false;
+          if (hasAnnotations()) {
+            if (!getAnnotations().equals(other.getAnnotations())) return false;
+          }
           if (!getUnknownFields().equals(other.getUnknownFields())) return false;
           return true;
         }
@@ -68472,6 +69631,10 @@ public int hashCode() {
           }
           hash = (37 * hash) + CAPTION_FIELD_NUMBER;
           hash = (53 * hash) + getCaption().hashCode();
+          if (hasAnnotations()) {
+            hash = (37 * hash) + ANNOTATIONS_FIELD_NUMBER;
+            hash = (53 * hash) + getAnnotations().hashCode();
+          }
           hash = (29 * hash) + getUnknownFields().hashCode();
           memoizedHashCode = hash;
           return hash;
@@ -68633,10 +69796,21 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
 
           // Construct using
           // com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock.newBuilder()
-          private Builder() {}
+          private Builder() {
+            maybeForceBuilderInitialization();
+          }
 
           private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
             super(parent);
+            maybeForceBuilderInitialization();
+          }
+
+          private void maybeForceBuilderInitialization() {
+            if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+              internalGetHeaderRowsFieldBuilder();
+              internalGetBodyRowsFieldBuilder();
+              internalGetAnnotationsFieldBuilder();
+            }
           }
 
           @java.lang.Override
@@ -68658,6 +69832,11 @@ public Builder clear() {
             }
             bitField0_ = (bitField0_ & ~0x00000002);
             caption_ = "";
+            annotations_ = null;
+            if (annotationsBuilder_ != null) {
+              annotationsBuilder_.dispose();
+              annotationsBuilder_ = null;
+            }
             return this;
           }
 
@@ -68737,6 +69916,13 @@ private void buildPartial0(
             if (((from_bitField0_ & 0x00000004) != 0)) {
               result.caption_ = caption_;
             }
+            int to_bitField0_ = 0;
+            if (((from_bitField0_ & 0x00000008) != 0)) {
+              result.annotations_ =
+                  annotationsBuilder_ == null ? annotations_ : annotationsBuilder_.build();
+              to_bitField0_ |= 0x00000001;
+            }
+            result.bitField0_ |= to_bitField0_;
           }
 
           @java.lang.Override
@@ -68821,6 +70007,9 @@ public Builder mergeFrom(
               bitField0_ |= 0x00000004;
               onChanged();
             }
+            if (other.hasAnnotations()) {
+              mergeAnnotations(other.getAnnotations());
+            }
             this.mergeUnknownFields(other.getUnknownFields());
             onChanged();
             return this;
@@ -68887,6 +70076,13 @@ public Builder mergeFrom(
                       bitField0_ |= 0x00000004;
                       break;
                     } // case 26
+                  case 34:
+                    {
+                      input.readMessage(
+                          internalGetAnnotationsFieldBuilder().getBuilder(), extensionRegistry);
+                      bitField0_ |= 0x00000008;
+                      break;
+                    } // case 34
                   default:
                     {
                       if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -69949,6 +71145,205 @@ public Builder setCaptionBytes(com.google.protobuf.ByteString value) {
             return this;
           }
 
+          private com.google.cloud.documentai.v1.Document.Annotations annotations_;
+          private com.google.protobuf.SingleFieldBuilder<
+                  com.google.cloud.documentai.v1.Document.Annotations,
+                  com.google.cloud.documentai.v1.Document.Annotations.Builder,
+                  com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder>
+              annotationsBuilder_;
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the table block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+           *
+           * @return Whether the annotations field is set.
+           */
+          public boolean hasAnnotations() {
+            return ((bitField0_ & 0x00000008) != 0);
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the table block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+           *
+           * @return The annotations.
+           */
+          public com.google.cloud.documentai.v1.Document.Annotations getAnnotations() {
+            if (annotationsBuilder_ == null) {
+              return annotations_ == null
+                  ? com.google.cloud.documentai.v1.Document.Annotations.getDefaultInstance()
+                  : annotations_;
+            } else {
+              return annotationsBuilder_.getMessage();
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the table block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+           */
+          public Builder setAnnotations(com.google.cloud.documentai.v1.Document.Annotations value) {
+            if (annotationsBuilder_ == null) {
+              if (value == null) {
+                throw new NullPointerException();
+              }
+              annotations_ = value;
+            } else {
+              annotationsBuilder_.setMessage(value);
+            }
+            bitField0_ |= 0x00000008;
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the table block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+           */
+          public Builder setAnnotations(
+              com.google.cloud.documentai.v1.Document.Annotations.Builder builderForValue) {
+            if (annotationsBuilder_ == null) {
+              annotations_ = builderForValue.build();
+            } else {
+              annotationsBuilder_.setMessage(builderForValue.build());
+            }
+            bitField0_ |= 0x00000008;
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the table block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+           */
+          public Builder mergeAnnotations(
+              com.google.cloud.documentai.v1.Document.Annotations value) {
+            if (annotationsBuilder_ == null) {
+              if (((bitField0_ & 0x00000008) != 0)
+                  && annotations_ != null
+                  && annotations_
+                      != com.google.cloud.documentai.v1.Document.Annotations.getDefaultInstance()) {
+                getAnnotationsBuilder().mergeFrom(value);
+              } else {
+                annotations_ = value;
+              }
+            } else {
+              annotationsBuilder_.mergeFrom(value);
+            }
+            if (annotations_ != null) {
+              bitField0_ |= 0x00000008;
+              onChanged();
+            }
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the table block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+           */
+          public Builder clearAnnotations() {
+            bitField0_ = (bitField0_ & ~0x00000008);
+            annotations_ = null;
+            if (annotationsBuilder_ != null) {
+              annotationsBuilder_.dispose();
+              annotationsBuilder_ = null;
+            }
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the table block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+           */
+          public com.google.cloud.documentai.v1.Document.Annotations.Builder
+              getAnnotationsBuilder() {
+            bitField0_ |= 0x00000008;
+            onChanged();
+            return internalGetAnnotationsFieldBuilder().getBuilder();
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the table block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+           */
+          public com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder
+              getAnnotationsOrBuilder() {
+            if (annotationsBuilder_ != null) {
+              return annotationsBuilder_.getMessageOrBuilder();
+            } else {
+              return annotations_ == null
+                  ? com.google.cloud.documentai.v1.Document.Annotations.getDefaultInstance()
+                  : annotations_;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the table block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+           */
+          private com.google.protobuf.SingleFieldBuilder<
+                  com.google.cloud.documentai.v1.Document.Annotations,
+                  com.google.cloud.documentai.v1.Document.Annotations.Builder,
+                  com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder>
+              internalGetAnnotationsFieldBuilder() {
+            if (annotationsBuilder_ == null) {
+              annotationsBuilder_ =
+                  new com.google.protobuf.SingleFieldBuilder<
+                      com.google.cloud.documentai.v1.Document.Annotations,
+                      com.google.cloud.documentai.v1.Document.Annotations.Builder,
+                      com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder>(
+                      getAnnotations(), getParentForChildren(), isClean());
+              annotations_ = null;
+            }
+            return annotationsBuilder_;
+          }
+
           // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock)
         }
 
@@ -75185,4663 +76580,4494 @@ public com.google.protobuf.Parser<LayoutListEntry> getParserForType() {
         }
       }
 
-      private int bitField0_;
-      private int blockCase_ = 0;
+      public interface LayoutImageBlockOrBuilder
+          extends
+          // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutImageBlock)
+          com.google.protobuf.MessageOrBuilder {
 
-      @SuppressWarnings("serial")
-      private java.lang.Object block_;
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Asset id of the inline image. If set, find the image
+         * content in the blob_assets field.
+         * </pre>
+         *
+         * <code>string blob_asset_id = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return Whether the blobAssetId field is set.
+         */
+        boolean hasBlobAssetId();
 
-      public enum BlockCase
-          implements
-              com.google.protobuf.Internal.EnumLite,
-              com.google.protobuf.AbstractMessage.InternalOneOfEnum {
-        TEXT_BLOCK(2),
-        TABLE_BLOCK(3),
-        LIST_BLOCK(4),
-        BLOCK_NOT_SET(0);
-        private final int value;
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Asset id of the inline image. If set, find the image
+         * content in the blob_assets field.
+         * </pre>
+         *
+         * <code>string blob_asset_id = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The blobAssetId.
+         */
+        java.lang.String getBlobAssetId();
 
-        private BlockCase(int value) {
-          this.value = value;
-        }
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Asset id of the inline image. If set, find the image
+         * content in the blob_assets field.
+         * </pre>
+         *
+         * <code>string blob_asset_id = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The bytes for blobAssetId.
+         */
+        com.google.protobuf.ByteString getBlobAssetIdBytes();
 
         /**
-         * @param value The number of the enum to look for.
-         * @return The enum associated with the given number.
-         * @deprecated Use {@link #forNumber(int)} instead.
+         *
+         *
+         * <pre>
+         * Optional. Google Cloud Storage uri of the image.
+         * </pre>
+         *
+         * <code>string gcs_uri = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return Whether the gcsUri field is set.
          */
-        @java.lang.Deprecated
-        public static BlockCase valueOf(int value) {
-          return forNumber(value);
-        }
+        boolean hasGcsUri();
 
-        public static BlockCase forNumber(int value) {
-          switch (value) {
-            case 2:
-              return TEXT_BLOCK;
-            case 3:
-              return TABLE_BLOCK;
-            case 4:
-              return LIST_BLOCK;
-            case 0:
-              return BLOCK_NOT_SET;
-            default:
-              return null;
-          }
-        }
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Google Cloud Storage uri of the image.
+         * </pre>
+         *
+         * <code>string gcs_uri = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The gcsUri.
+         */
+        java.lang.String getGcsUri();
 
-        public int getNumber() {
-          return this.value;
-        }
-      };
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Google Cloud Storage uri of the image.
+         * </pre>
+         *
+         * <code>string gcs_uri = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The bytes for gcsUri.
+         */
+        com.google.protobuf.ByteString getGcsUriBytes();
 
-      public BlockCase getBlockCase() {
-        return BlockCase.forNumber(blockCase_);
-      }
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Data uri of the image.
+         * It is composed of four parts: a prefix (data:), a MIME type
+         * indicating the type of data, an optional base64 token if
+         * non-textual, and the data itself:
+         * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+         * </pre>
+         *
+         * <code>string data_uri = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return Whether the dataUri field is set.
+         */
+        boolean hasDataUri();
 
-      public static final int TEXT_BLOCK_FIELD_NUMBER = 2;
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Data uri of the image.
+         * It is composed of four parts: a prefix (data:), a MIME type
+         * indicating the type of data, an optional base64 token if
+         * non-textual, and the data itself:
+         * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+         * </pre>
+         *
+         * <code>string data_uri = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The dataUri.
+         */
+        java.lang.String getDataUri();
 
-      /**
-       *
-       *
-       * <pre>
-       * Block consisting of text content.
-       * </pre>
-       *
-       * <code>
-       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
-       * </code>
-       *
-       * @return Whether the textBlock field is set.
-       */
-      @java.lang.Override
-      public boolean hasTextBlock() {
-        return blockCase_ == 2;
-      }
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Data uri of the image.
+         * It is composed of four parts: a prefix (data:), a MIME type
+         * indicating the type of data, an optional base64 token if
+         * non-textual, and the data itself:
+         * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+         * </pre>
+         *
+         * <code>string data_uri = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The bytes for dataUri.
+         */
+        com.google.protobuf.ByteString getDataUriBytes();
 
-      /**
-       *
-       *
-       * <pre>
-       * Block consisting of text content.
-       * </pre>
-       *
-       * <code>
-       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
-       * </code>
-       *
-       * @return The textBlock.
-       */
-      @java.lang.Override
-      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-              .LayoutTextBlock
-          getTextBlock() {
-        if (blockCase_ == 2) {
-          return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                  .LayoutTextBlock)
-              block_;
-        }
-        return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-            .LayoutTextBlock.getDefaultInstance();
-      }
+        /**
+         *
+         *
+         * <pre>
+         * Mime type of the image. An IANA published [media type (MIME type)]
+         * (https://www.iana.org/assignments/media-types/media-types.xhtml).
+         * </pre>
+         *
+         * <code>string mime_type = 1;</code>
+         *
+         * @return The mimeType.
+         */
+        java.lang.String getMimeType();
 
-      /**
-       *
-       *
-       * <pre>
-       * Block consisting of text content.
-       * </pre>
-       *
-       * <code>
-       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
-       * </code>
-       */
-      @java.lang.Override
-      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-              .LayoutTextBlockOrBuilder
-          getTextBlockOrBuilder() {
-        if (blockCase_ == 2) {
-          return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                  .LayoutTextBlock)
-              block_;
-        }
-        return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-            .LayoutTextBlock.getDefaultInstance();
-      }
+        /**
+         *
+         *
+         * <pre>
+         * Mime type of the image. An IANA published [media type (MIME type)]
+         * (https://www.iana.org/assignments/media-types/media-types.xhtml).
+         * </pre>
+         *
+         * <code>string mime_type = 1;</code>
+         *
+         * @return The bytes for mimeType.
+         */
+        com.google.protobuf.ByteString getMimeTypeBytes();
 
-      public static final int TABLE_BLOCK_FIELD_NUMBER = 3;
+        /**
+         *
+         *
+         * <pre>
+         * Text extracted from the image using OCR or alt text describing the
+         * image.
+         * </pre>
+         *
+         * <code>string image_text = 2;</code>
+         *
+         * @return The imageText.
+         */
+        java.lang.String getImageText();
 
-      /**
-       *
-       *
-       * <pre>
-       * Block consisting of table content/structure.
-       * </pre>
-       *
-       * <code>
-       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock table_block = 3;
-       * </code>
-       *
-       * @return Whether the tableBlock field is set.
-       */
-      @java.lang.Override
-      public boolean hasTableBlock() {
-        return blockCase_ == 3;
-      }
+        /**
+         *
+         *
+         * <pre>
+         * Text extracted from the image using OCR or alt text describing the
+         * image.
+         * </pre>
+         *
+         * <code>string image_text = 2;</code>
+         *
+         * @return The bytes for imageText.
+         */
+        com.google.protobuf.ByteString getImageTextBytes();
 
-      /**
-       *
-       *
-       * <pre>
-       * Block consisting of table content/structure.
-       * </pre>
-       *
-       * <code>
-       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock table_block = 3;
-       * </code>
-       *
-       * @return The tableBlock.
-       */
-      @java.lang.Override
-      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-              .LayoutTableBlock
-          getTableBlock() {
-        if (blockCase_ == 3) {
-          return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                  .LayoutTableBlock)
-              block_;
-        }
-        return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-            .LayoutTableBlock.getDefaultInstance();
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the image block.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 3;</code>
+         *
+         * @return Whether the annotations field is set.
+         */
+        boolean hasAnnotations();
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the image block.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 3;</code>
+         *
+         * @return The annotations.
+         */
+        com.google.cloud.documentai.v1.Document.Annotations getAnnotations();
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the image block.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 3;</code>
+         */
+        com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder getAnnotationsOrBuilder();
+
+        com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutImageBlock
+                .ImageSourceCase
+            getImageSourceCase();
       }
 
       /**
        *
        *
        * <pre>
-       * Block consisting of table content/structure.
+       * Represents an image type block.
        * </pre>
        *
-       * <code>
-       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock table_block = 3;
-       * </code>
+       * Protobuf type {@code
+       * google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutImageBlock}
        */
-      @java.lang.Override
-      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-              .LayoutTableBlockOrBuilder
-          getTableBlockOrBuilder() {
-        if (blockCase_ == 3) {
-          return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                  .LayoutTableBlock)
-              block_;
+      public static final class LayoutImageBlock extends com.google.protobuf.GeneratedMessage
+          implements
+          // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutImageBlock)
+          LayoutImageBlockOrBuilder {
+        private static final long serialVersionUID = 0L;
+
+        static {
+          com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+              com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+              /* major= */ 4,
+              /* minor= */ 33,
+              /* patch= */ 2,
+              /* suffix= */ "",
+              "LayoutImageBlock");
         }
-        return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-            .LayoutTableBlock.getDefaultInstance();
-      }
 
-      public static final int LIST_BLOCK_FIELD_NUMBER = 4;
+        // Use LayoutImageBlock.newBuilder() to construct.
+        private LayoutImageBlock(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+          super(builder);
+        }
 
-      /**
-       *
-       *
-       * <pre>
-       * Block consisting of list content/structure.
-       * </pre>
-       *
-       * <code>
-       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutListBlock list_block = 4;
-       * </code>
-       *
-       * @return Whether the listBlock field is set.
-       */
-      @java.lang.Override
-      public boolean hasListBlock() {
-        return blockCase_ == 4;
-      }
+        private LayoutImageBlock() {
+          mimeType_ = "";
+          imageText_ = "";
+        }
 
-      /**
-       *
-       *
-       * <pre>
-       * Block consisting of list content/structure.
-       * </pre>
-       *
-       * <code>
-       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutListBlock list_block = 4;
-       * </code>
-       *
-       * @return The listBlock.
-       */
-      @java.lang.Override
-      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-              .LayoutListBlock
-          getListBlock() {
-        if (blockCase_ == 4) {
-          return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                  .LayoutListBlock)
-              block_;
+        public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+          return com.google.cloud.documentai.v1.DocumentProto
+              .internal_static_google_cloud_documentai_v1_Document_DocumentLayout_DocumentLayoutBlock_LayoutImageBlock_descriptor;
         }
-        return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-            .LayoutListBlock.getDefaultInstance();
-      }
 
-      /**
-       *
-       *
-       * <pre>
-       * Block consisting of list content/structure.
-       * </pre>
-       *
-       * <code>
-       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutListBlock list_block = 4;
-       * </code>
-       */
-      @java.lang.Override
-      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-              .LayoutListBlockOrBuilder
-          getListBlockOrBuilder() {
-        if (blockCase_ == 4) {
-          return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                  .LayoutListBlock)
-              block_;
+        @java.lang.Override
+        protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+            internalGetFieldAccessorTable() {
+          return com.google.cloud.documentai.v1.DocumentProto
+              .internal_static_google_cloud_documentai_v1_Document_DocumentLayout_DocumentLayoutBlock_LayoutImageBlock_fieldAccessorTable
+              .ensureFieldAccessorsInitialized(
+                  com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                      .LayoutImageBlock.class,
+                  com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                      .LayoutImageBlock.Builder.class);
         }
-        return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-            .LayoutListBlock.getDefaultInstance();
-      }
-
-      public static final int BLOCK_ID_FIELD_NUMBER = 1;
-
-      @SuppressWarnings("serial")
-      private volatile java.lang.Object blockId_ = "";
 
-      /**
-       *
-       *
-       * <pre>
-       * ID of the block.
-       * </pre>
-       *
-       * <code>string block_id = 1;</code>
-       *
-       * @return The blockId.
-       */
-      @java.lang.Override
-      public java.lang.String getBlockId() {
-        java.lang.Object ref = blockId_;
-        if (ref instanceof java.lang.String) {
-          return (java.lang.String) ref;
-        } else {
-          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
-          java.lang.String s = bs.toStringUtf8();
-          blockId_ = s;
-          return s;
-        }
-      }
+        private int bitField0_;
+        private int imageSourceCase_ = 0;
 
-      /**
-       *
-       *
-       * <pre>
-       * ID of the block.
-       * </pre>
-       *
-       * <code>string block_id = 1;</code>
-       *
-       * @return The bytes for blockId.
-       */
-      @java.lang.Override
-      public com.google.protobuf.ByteString getBlockIdBytes() {
-        java.lang.Object ref = blockId_;
-        if (ref instanceof java.lang.String) {
-          com.google.protobuf.ByteString b =
-              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-          blockId_ = b;
-          return b;
-        } else {
-          return (com.google.protobuf.ByteString) ref;
-        }
-      }
+        @SuppressWarnings("serial")
+        private java.lang.Object imageSource_;
 
-      public static final int PAGE_SPAN_FIELD_NUMBER = 5;
-      private com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-              .LayoutPageSpan
-          pageSpan_;
+        public enum ImageSourceCase
+            implements
+                com.google.protobuf.Internal.EnumLite,
+                com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+          BLOB_ASSET_ID(4),
+          GCS_URI(5),
+          DATA_URI(6),
+          IMAGESOURCE_NOT_SET(0);
+          private final int value;
 
-      /**
-       *
-       *
-       * <pre>
-       * Page span of the block.
-       * </pre>
-       *
-       * <code>
-       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutPageSpan page_span = 5;
-       * </code>
-       *
-       * @return Whether the pageSpan field is set.
-       */
-      @java.lang.Override
-      public boolean hasPageSpan() {
-        return ((bitField0_ & 0x00000001) != 0);
-      }
+          private ImageSourceCase(int value) {
+            this.value = value;
+          }
 
-      /**
-       *
-       *
-       * <pre>
-       * Page span of the block.
-       * </pre>
-       *
-       * <code>
-       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutPageSpan page_span = 5;
-       * </code>
-       *
-       * @return The pageSpan.
-       */
-      @java.lang.Override
-      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-              .LayoutPageSpan
-          getPageSpan() {
-        return pageSpan_ == null
-            ? com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutPageSpan.getDefaultInstance()
-            : pageSpan_;
-      }
+          /**
+           * @param value The number of the enum to look for.
+           * @return The enum associated with the given number.
+           * @deprecated Use {@link #forNumber(int)} instead.
+           */
+          @java.lang.Deprecated
+          public static ImageSourceCase valueOf(int value) {
+            return forNumber(value);
+          }
 
-      /**
-       *
-       *
-       * <pre>
-       * Page span of the block.
-       * </pre>
-       *
-       * <code>
-       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutPageSpan page_span = 5;
-       * </code>
-       */
-      @java.lang.Override
-      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-              .LayoutPageSpanOrBuilder
-          getPageSpanOrBuilder() {
-        return pageSpan_ == null
-            ? com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutPageSpan.getDefaultInstance()
-            : pageSpan_;
-      }
+          public static ImageSourceCase forNumber(int value) {
+            switch (value) {
+              case 4:
+                return BLOB_ASSET_ID;
+              case 5:
+                return GCS_URI;
+              case 6:
+                return DATA_URI;
+              case 0:
+                return IMAGESOURCE_NOT_SET;
+              default:
+                return null;
+            }
+          }
 
-      public static final int BOUNDING_BOX_FIELD_NUMBER = 6;
-      private com.google.cloud.documentai.v1.BoundingPoly boundingBox_;
+          public int getNumber() {
+            return this.value;
+          }
+        };
 
-      /**
-       *
-       *
-       * <pre>
-       * Identifies the bounding box for the block.
-       * </pre>
-       *
-       * <code>.google.cloud.documentai.v1.BoundingPoly bounding_box = 6;</code>
-       *
-       * @return Whether the boundingBox field is set.
-       */
-      @java.lang.Override
-      public boolean hasBoundingBox() {
-        return ((bitField0_ & 0x00000002) != 0);
-      }
+        public ImageSourceCase getImageSourceCase() {
+          return ImageSourceCase.forNumber(imageSourceCase_);
+        }
 
-      /**
-       *
-       *
-       * <pre>
-       * Identifies the bounding box for the block.
-       * </pre>
-       *
-       * <code>.google.cloud.documentai.v1.BoundingPoly bounding_box = 6;</code>
-       *
-       * @return The boundingBox.
-       */
-      @java.lang.Override
-      public com.google.cloud.documentai.v1.BoundingPoly getBoundingBox() {
-        return boundingBox_ == null
-            ? com.google.cloud.documentai.v1.BoundingPoly.getDefaultInstance()
-            : boundingBox_;
-      }
+        public static final int BLOB_ASSET_ID_FIELD_NUMBER = 4;
 
-      /**
-       *
-       *
-       * <pre>
-       * Identifies the bounding box for the block.
-       * </pre>
-       *
-       * <code>.google.cloud.documentai.v1.BoundingPoly bounding_box = 6;</code>
-       */
-      @java.lang.Override
-      public com.google.cloud.documentai.v1.BoundingPolyOrBuilder getBoundingBoxOrBuilder() {
-        return boundingBox_ == null
-            ? com.google.cloud.documentai.v1.BoundingPoly.getDefaultInstance()
-            : boundingBox_;
-      }
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Asset id of the inline image. If set, find the image
+         * content in the blob_assets field.
+         * </pre>
+         *
+         * <code>string blob_asset_id = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return Whether the blobAssetId field is set.
+         */
+        public boolean hasBlobAssetId() {
+          return imageSourceCase_ == 4;
+        }
 
-      private byte memoizedIsInitialized = -1;
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Asset id of the inline image. If set, find the image
+         * content in the blob_assets field.
+         * </pre>
+         *
+         * <code>string blob_asset_id = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The blobAssetId.
+         */
+        public java.lang.String getBlobAssetId() {
+          java.lang.Object ref = "";
+          if (imageSourceCase_ == 4) {
+            ref = imageSource_;
+          }
+          if (ref instanceof java.lang.String) {
+            return (java.lang.String) ref;
+          } else {
+            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+            java.lang.String s = bs.toStringUtf8();
+            if (imageSourceCase_ == 4) {
+              imageSource_ = s;
+            }
+            return s;
+          }
+        }
 
-      @java.lang.Override
-      public final boolean isInitialized() {
-        byte isInitialized = memoizedIsInitialized;
-        if (isInitialized == 1) return true;
-        if (isInitialized == 0) return false;
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Asset id of the inline image. If set, find the image
+         * content in the blob_assets field.
+         * </pre>
+         *
+         * <code>string blob_asset_id = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The bytes for blobAssetId.
+         */
+        public com.google.protobuf.ByteString getBlobAssetIdBytes() {
+          java.lang.Object ref = "";
+          if (imageSourceCase_ == 4) {
+            ref = imageSource_;
+          }
+          if (ref instanceof java.lang.String) {
+            com.google.protobuf.ByteString b =
+                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+            if (imageSourceCase_ == 4) {
+              imageSource_ = b;
+            }
+            return b;
+          } else {
+            return (com.google.protobuf.ByteString) ref;
+          }
+        }
 
-        memoizedIsInitialized = 1;
-        return true;
-      }
+        public static final int GCS_URI_FIELD_NUMBER = 5;
 
-      @java.lang.Override
-      public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-        if (!com.google.protobuf.GeneratedMessage.isStringEmpty(blockId_)) {
-          com.google.protobuf.GeneratedMessage.writeString(output, 1, blockId_);
-        }
-        if (blockCase_ == 2) {
-          output.writeMessage(
-              2,
-              (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                      .LayoutTextBlock)
-                  block_);
-        }
-        if (blockCase_ == 3) {
-          output.writeMessage(
-              3,
-              (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                      .LayoutTableBlock)
-                  block_);
-        }
-        if (blockCase_ == 4) {
-          output.writeMessage(
-              4,
-              (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                      .LayoutListBlock)
-                  block_);
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Google Cloud Storage uri of the image.
+         * </pre>
+         *
+         * <code>string gcs_uri = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return Whether the gcsUri field is set.
+         */
+        public boolean hasGcsUri() {
+          return imageSourceCase_ == 5;
         }
-        if (((bitField0_ & 0x00000001) != 0)) {
-          output.writeMessage(5, getPageSpan());
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Google Cloud Storage uri of the image.
+         * </pre>
+         *
+         * <code>string gcs_uri = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The gcsUri.
+         */
+        public java.lang.String getGcsUri() {
+          java.lang.Object ref = "";
+          if (imageSourceCase_ == 5) {
+            ref = imageSource_;
+          }
+          if (ref instanceof java.lang.String) {
+            return (java.lang.String) ref;
+          } else {
+            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+            java.lang.String s = bs.toStringUtf8();
+            if (imageSourceCase_ == 5) {
+              imageSource_ = s;
+            }
+            return s;
+          }
         }
-        if (((bitField0_ & 0x00000002) != 0)) {
-          output.writeMessage(6, getBoundingBox());
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Google Cloud Storage uri of the image.
+         * </pre>
+         *
+         * <code>string gcs_uri = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The bytes for gcsUri.
+         */
+        public com.google.protobuf.ByteString getGcsUriBytes() {
+          java.lang.Object ref = "";
+          if (imageSourceCase_ == 5) {
+            ref = imageSource_;
+          }
+          if (ref instanceof java.lang.String) {
+            com.google.protobuf.ByteString b =
+                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+            if (imageSourceCase_ == 5) {
+              imageSource_ = b;
+            }
+            return b;
+          } else {
+            return (com.google.protobuf.ByteString) ref;
+          }
         }
-        getUnknownFields().writeTo(output);
-      }
 
-      @java.lang.Override
-      public int getSerializedSize() {
-        int size = memoizedSize;
-        if (size != -1) return size;
+        public static final int DATA_URI_FIELD_NUMBER = 6;
 
-        size = 0;
-        if (!com.google.protobuf.GeneratedMessage.isStringEmpty(blockId_)) {
-          size += com.google.protobuf.GeneratedMessage.computeStringSize(1, blockId_);
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-              com.google.protobuf.CodedOutputStream.computeMessageSize(
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-                  (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
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-        if (blockCase_ == 3) {
-          size +=
-              com.google.protobuf.CodedOutputStream.computeMessageSize(
-                  3,
-                  (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                          .LayoutTableBlock)
-                      block_);
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Data uri of the image.
+         * It is composed of four parts: a prefix (data:), a MIME type
+         * indicating the type of data, an optional base64 token if
+         * non-textual, and the data itself:
+         * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+         * </pre>
+         *
+         * <code>string data_uri = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return Whether the dataUri field is set.
+         */
+        public boolean hasDataUri() {
+          return imageSourceCase_ == 6;
         }
-        if (blockCase_ == 4) {
-          size +=
-              com.google.protobuf.CodedOutputStream.computeMessageSize(
-                  4,
-                  (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                          .LayoutListBlock)
-                      block_);
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Data uri of the image.
+         * It is composed of four parts: a prefix (data:), a MIME type
+         * indicating the type of data, an optional base64 token if
+         * non-textual, and the data itself:
+         * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+         * </pre>
+         *
+         * <code>string data_uri = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The dataUri.
+         */
+        public java.lang.String getDataUri() {
+          java.lang.Object ref = "";
+          if (imageSourceCase_ == 6) {
+            ref = imageSource_;
+          }
+          if (ref instanceof java.lang.String) {
+            return (java.lang.String) ref;
+          } else {
+            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+            java.lang.String s = bs.toStringUtf8();
+            if (imageSourceCase_ == 6) {
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+            return s;
+          }
         }
-        if (((bitField0_ & 0x00000001) != 0)) {
-          size += com.google.protobuf.CodedOutputStream.computeMessageSize(5, getPageSpan());
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Data uri of the image.
+         * It is composed of four parts: a prefix (data:), a MIME type
+         * indicating the type of data, an optional base64 token if
+         * non-textual, and the data itself:
+         * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+         * </pre>
+         *
+         * <code>string data_uri = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The bytes for dataUri.
+         */
+        public com.google.protobuf.ByteString getDataUriBytes() {
+          java.lang.Object ref = "";
+          if (imageSourceCase_ == 6) {
+            ref = imageSource_;
+          }
+          if (ref instanceof java.lang.String) {
+            com.google.protobuf.ByteString b =
+                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+            if (imageSourceCase_ == 6) {
+              imageSource_ = b;
+            }
+            return b;
+          } else {
+            return (com.google.protobuf.ByteString) ref;
+          }
         }
-        if (((bitField0_ & 0x00000002) != 0)) {
-          size += com.google.protobuf.CodedOutputStream.computeMessageSize(6, getBoundingBox());
+
+        public static final int MIME_TYPE_FIELD_NUMBER = 1;
+
+        @SuppressWarnings("serial")
+        private volatile java.lang.Object mimeType_ = "";
+
+        /**
+         *
+         *
+         * <pre>
+         * Mime type of the image. An IANA published [media type (MIME type)]
+         * (https://www.iana.org/assignments/media-types/media-types.xhtml).
+         * </pre>
+         *
+         * <code>string mime_type = 1;</code>
+         *
+         * @return The mimeType.
+         */
+        @java.lang.Override
+        public java.lang.String getMimeType() {
+          java.lang.Object ref = mimeType_;
+          if (ref instanceof java.lang.String) {
+            return (java.lang.String) ref;
+          } else {
+            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+            java.lang.String s = bs.toStringUtf8();
+            mimeType_ = s;
+            return s;
+          }
         }
-        size += getUnknownFields().getSerializedSize();
-        memoizedSize = size;
-        return size;
-      }
 
-      @java.lang.Override
-      public boolean equals(final java.lang.Object obj) {
-        if (obj == this) {
-          return true;
+        /**
+         *
+         *
+         * <pre>
+         * Mime type of the image. An IANA published [media type (MIME type)]
+         * (https://www.iana.org/assignments/media-types/media-types.xhtml).
+         * </pre>
+         *
+         * <code>string mime_type = 1;</code>
+         *
+         * @return The bytes for mimeType.
+         */
+        @java.lang.Override
+        public com.google.protobuf.ByteString getMimeTypeBytes() {
+          java.lang.Object ref = mimeType_;
+          if (ref instanceof java.lang.String) {
+            com.google.protobuf.ByteString b =
+                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+            mimeType_ = b;
+            return b;
+          } else {
+            return (com.google.protobuf.ByteString) ref;
+          }
         }
-        if (!(obj
-            instanceof
-            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock)) {
-          return super.equals(obj);
+
+        public static final int IMAGE_TEXT_FIELD_NUMBER = 2;
+
+        @SuppressWarnings("serial")
+        private volatile java.lang.Object imageText_ = "";
+
+        /**
+         *
+         *
+         * <pre>
+         * Text extracted from the image using OCR or alt text describing the
+         * image.
+         * </pre>
+         *
+         * <code>string image_text = 2;</code>
+         *
+         * @return The imageText.
+         */
+        @java.lang.Override
+        public java.lang.String getImageText() {
+          java.lang.Object ref = imageText_;
+          if (ref instanceof java.lang.String) {
+            return (java.lang.String) ref;
+          } else {
+            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+            java.lang.String s = bs.toStringUtf8();
+            imageText_ = s;
+            return s;
+          }
         }
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-        if (hasPageSpan() != other.hasPageSpan()) return false;
-        if (hasPageSpan()) {
-          if (!getPageSpan().equals(other.getPageSpan())) return false;
+        /**
+         *
+         *
+         * <pre>
+         * Text extracted from the image using OCR or alt text describing the
+         * image.
+         * </pre>
+         *
+         * <code>string image_text = 2;</code>
+         *
+         * @return The bytes for imageText.
+         */
+        @java.lang.Override
+        public com.google.protobuf.ByteString getImageTextBytes() {
+          java.lang.Object ref = imageText_;
+          if (ref instanceof java.lang.String) {
+            com.google.protobuf.ByteString b =
+                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+            imageText_ = b;
+            return b;
+          } else {
+            return (com.google.protobuf.ByteString) ref;
+          }
         }
-        if (hasBoundingBox() != other.hasBoundingBox()) return false;
-        if (hasBoundingBox()) {
-          if (!getBoundingBox().equals(other.getBoundingBox())) return false;
-        }
-        if (!getBlockCase().equals(other.getBlockCase())) return false;
-        switch (blockCase_) {
-          case 2:
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-            break;
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-            break;
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-      public int hashCode() {
-        if (memoizedHashCode != 0) {
-          return memoizedHashCode;
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-        int hash = 41;
-        hash = (19 * hash) + getDescriptor().hashCode();
-        hash = (37 * hash) + BLOCK_ID_FIELD_NUMBER;
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-        }
-        if (hasBoundingBox()) {
-          hash = (37 * hash) + BOUNDING_BOX_FIELD_NUMBER;
-          hash = (53 * hash) + getBoundingBox().hashCode();
+        public static final int ANNOTATIONS_FIELD_NUMBER = 3;
+        private com.google.cloud.documentai.v1.Document.Annotations annotations_;
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the image block.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 3;</code>
+         *
+         * @return Whether the annotations field is set.
+         */
+        @java.lang.Override
+        public boolean hasAnnotations() {
+          return ((bitField0_ & 0x00000001) != 0);
         }
-        switch (blockCase_) {
-          case 2:
-            hash = (37 * hash) + TEXT_BLOCK_FIELD_NUMBER;
-            hash = (53 * hash) + getTextBlock().hashCode();
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-            break;
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-            hash = (37 * hash) + LIST_BLOCK_FIELD_NUMBER;
-            hash = (53 * hash) + getListBlock().hashCode();
-            break;
-          case 0:
-          default:
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the image block.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 3;</code>
+         *
+         * @return The annotations.
+         */
+        @java.lang.Override
+        public com.google.cloud.documentai.v1.Document.Annotations getAnnotations() {
+          return annotations_ == null
+              ? com.google.cloud.documentai.v1.Document.Annotations.getDefaultInstance()
+              : annotations_;
         }
-        hash = (29 * hash) + getUnknownFields().hashCode();
-        memoizedHashCode = hash;
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-      public static com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-          parseFrom(java.nio.ByteBuffer data)
-              throws com.google.protobuf.InvalidProtocolBufferException {
-        return PARSER.parseFrom(data);
-      }
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the image block.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 3;</code>
+         */
+        @java.lang.Override
+        public com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder
+            getAnnotationsOrBuilder() {
+          return annotations_ == null
+              ? com.google.cloud.documentai.v1.Document.Annotations.getDefaultInstance()
+              : annotations_;
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-          parseFrom(
-              java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-              throws com.google.protobuf.InvalidProtocolBufferException {
-        return PARSER.parseFrom(data, extensionRegistry);
-      }
+        private byte memoizedIsInitialized = -1;
 
-      public static com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-          parseFrom(com.google.protobuf.ByteString data)
-              throws com.google.protobuf.InvalidProtocolBufferException {
-        return PARSER.parseFrom(data);
-      }
+        @java.lang.Override
+        public final boolean isInitialized() {
+          byte isInitialized = memoizedIsInitialized;
+          if (isInitialized == 1) return true;
+          if (isInitialized == 0) return false;
 
-      public static com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-          parseFrom(
-              com.google.protobuf.ByteString data,
-              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-              throws com.google.protobuf.InvalidProtocolBufferException {
-        return PARSER.parseFrom(data, extensionRegistry);
-      }
+          memoizedIsInitialized = 1;
+          return true;
+        }
 
-      public static com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-          parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
-        return PARSER.parseFrom(data);
-      }
+        @java.lang.Override
+        public void writeTo(com.google.protobuf.CodedOutputStream output)
+            throws java.io.IOException {
+          if (!com.google.protobuf.GeneratedMessage.isStringEmpty(mimeType_)) {
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+          }
+          if (!com.google.protobuf.GeneratedMessage.isStringEmpty(imageText_)) {
+            com.google.protobuf.GeneratedMessage.writeString(output, 2, imageText_);
+          }
+          if (((bitField0_ & 0x00000001) != 0)) {
+            output.writeMessage(3, getAnnotations());
+          }
+          if (imageSourceCase_ == 4) {
+            com.google.protobuf.GeneratedMessage.writeString(output, 4, imageSource_);
+          }
+          if (imageSourceCase_ == 5) {
+            com.google.protobuf.GeneratedMessage.writeString(output, 5, imageSource_);
+          }
+          if (imageSourceCase_ == 6) {
+            com.google.protobuf.GeneratedMessage.writeString(output, 6, imageSource_);
+          }
+          getUnknownFields().writeTo(output);
+        }
 
-      public static com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-          parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-              throws com.google.protobuf.InvalidProtocolBufferException {
-        return PARSER.parseFrom(data, extensionRegistry);
-      }
+        @java.lang.Override
+        public int getSerializedSize() {
+          int size = memoizedSize;
+          if (size != -1) return size;
 
-      public static com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-          parseFrom(java.io.InputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
-      }
+          size = 0;
+          if (!com.google.protobuf.GeneratedMessage.isStringEmpty(mimeType_)) {
+            size += com.google.protobuf.GeneratedMessage.computeStringSize(1, mimeType_);
+          }
+          if (!com.google.protobuf.GeneratedMessage.isStringEmpty(imageText_)) {
+            size += com.google.protobuf.GeneratedMessage.computeStringSize(2, imageText_);
+          }
+          if (((bitField0_ & 0x00000001) != 0)) {
+            size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getAnnotations());
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+          if (imageSourceCase_ == 4) {
+            size += com.google.protobuf.GeneratedMessage.computeStringSize(4, imageSource_);
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+          if (imageSourceCase_ == 5) {
+            size += com.google.protobuf.GeneratedMessage.computeStringSize(5, imageSource_);
+          }
+          if (imageSourceCase_ == 6) {
+            size += com.google.protobuf.GeneratedMessage.computeStringSize(6, imageSource_);
+          }
+          size += getUnknownFields().getSerializedSize();
+          memoizedSize = size;
+          return size;
+        }
 
-      public static com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-          parseFrom(
-              java.io.InputStream input,
-              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-              throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessage.parseWithIOException(
-            PARSER, input, extensionRegistry);
-      }
+        @java.lang.Override
+        public boolean equals(final java.lang.Object obj) {
+          if (obj == this) {
+            return true;
+          }
+          if (!(obj
+              instanceof
+              com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
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+            return super.equals(obj);
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+                  .LayoutImageBlock
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-      public static com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-          parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
-      }
+          if (!getMimeType().equals(other.getMimeType())) return false;
+          if (!getImageText().equals(other.getImageText())) return false;
+          if (hasAnnotations() != other.hasAnnotations()) return false;
+          if (hasAnnotations()) {
+            if (!getAnnotations().equals(other.getAnnotations())) return false;
+          }
+          if (!getImageSourceCase().equals(other.getImageSourceCase())) return false;
+          switch (imageSourceCase_) {
+            case 4:
+              if (!getBlobAssetId().equals(other.getBlobAssetId())) return false;
+              break;
+            case 5:
+              if (!getGcsUri().equals(other.getGcsUri())) return false;
+              break;
+            case 6:
+              if (!getDataUri().equals(other.getDataUri())) return false;
+              break;
+            case 0:
+            default:
+          }
+          if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+          return true;
+        }
 
-      public static com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-          parseDelimitedFrom(
-              java.io.InputStream input,
-              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-              throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
-            PARSER, input, extensionRegistry);
-      }
+        @java.lang.Override
+        public int hashCode() {
+          if (memoizedHashCode != 0) {
+            return memoizedHashCode;
+          }
+          int hash = 41;
+          hash = (19 * hash) + getDescriptor().hashCode();
+          hash = (37 * hash) + MIME_TYPE_FIELD_NUMBER;
+          hash = (53 * hash) + getMimeType().hashCode();
+          hash = (37 * hash) + IMAGE_TEXT_FIELD_NUMBER;
+          hash = (53 * hash) + getImageText().hashCode();
+          if (hasAnnotations()) {
+            hash = (37 * hash) + ANNOTATIONS_FIELD_NUMBER;
+            hash = (53 * hash) + getAnnotations().hashCode();
+          }
+          switch (imageSourceCase_) {
+            case 4:
+              hash = (37 * hash) + BLOB_ASSET_ID_FIELD_NUMBER;
+              hash = (53 * hash) + getBlobAssetId().hashCode();
+              break;
+            case 5:
+              hash = (37 * hash) + GCS_URI_FIELD_NUMBER;
+              hash = (53 * hash) + getGcsUri().hashCode();
+              break;
+            case 6:
+              hash = (37 * hash) + DATA_URI_FIELD_NUMBER;
+              hash = (53 * hash) + getDataUri().hashCode();
+              break;
+            case 0:
+            default:
+          }
+          hash = (29 * hash) + getUnknownFields().hashCode();
+          memoizedHashCode = hash;
+          return hash;
+        }
 
-      public static com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-          parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
-      }
+        public static com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                .LayoutImageBlock
+            parseFrom(java.nio.ByteBuffer data)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+          return PARSER.parseFrom(data);
+        }
 
-      public static com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-          parseFrom(
-              com.google.protobuf.CodedInputStream input,
-              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-              throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessage.parseWithIOException(
-            PARSER, input, extensionRegistry);
-      }
+        public static com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                .LayoutImageBlock
+            parseFrom(
+                java.nio.ByteBuffer data,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+          return PARSER.parseFrom(data, extensionRegistry);
+        }
 
-      @java.lang.Override
-      public Builder newBuilderForType() {
-        return newBuilder();
-      }
+        public static com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                .LayoutImageBlock
+            parseFrom(com.google.protobuf.ByteString data)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+          return PARSER.parseFrom(data);
+        }
 
-      public static Builder newBuilder() {
-        return DEFAULT_INSTANCE.toBuilder();
-      }
+        public static com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                .LayoutImageBlock
+            parseFrom(
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         @java.lang.Override
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         @java.lang.Override
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+          // Construct using
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+          private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
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+          private void maybeForceBuilderInitialization() {
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+          public Builder clear() {
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+            imageText_ = "";
+            annotations_ = null;
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+          @java.lang.Override
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+          @java.lang.Override
+          public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                  .LayoutImageBlock
+              buildPartial() {
+            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
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+            if (other
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+                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
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+              return this;
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+
+          public Builder mergeFrom(
+              com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                      .LayoutImageBlock
+                  other) {
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+           * <code>string blob_asset_id = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return The blobAssetId.
+           */
+          @java.lang.Override
+          public java.lang.String getBlobAssetId() {
+            java.lang.Object ref = "";
+            if (imageSourceCase_ == 4) {
+              ref = imageSource_;
             }
-            return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutTextBlock.getDefaultInstance();
-          } else {
-            if (blockCase_ == 2) {
-              return textBlockBuilder_.getMessage();
+            if (!(ref instanceof java.lang.String)) {
+              com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+              java.lang.String s = bs.toStringUtf8();
+              if (imageSourceCase_ == 4) {
+                imageSource_ = s;
+              }
+              return s;
+            } else {
+              return (java.lang.String) ref;
             }
-            return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutTextBlock.getDefaultInstance();
           }
-        }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of text content.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
-         * </code>
-         */
-        public Builder setTextBlock(
-            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutTextBlock
-                value) {
-          if (textBlockBuilder_ == null) {
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Asset id of the inline image. If set, find the image
+           * content in the blob_assets field.
+           * </pre>
+           *
+           * <code>string blob_asset_id = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return The bytes for blobAssetId.
+           */
+          @java.lang.Override
+          public com.google.protobuf.ByteString getBlobAssetIdBytes() {
+            java.lang.Object ref = "";
+            if (imageSourceCase_ == 4) {
+              ref = imageSource_;
+            }
+            if (ref instanceof String) {
+              com.google.protobuf.ByteString b =
+                  com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+              if (imageSourceCase_ == 4) {
+                imageSource_ = b;
+              }
+              return b;
+            } else {
+              return (com.google.protobuf.ByteString) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Asset id of the inline image. If set, find the image
+           * content in the blob_assets field.
+           * </pre>
+           *
+           * <code>string blob_asset_id = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @param value The blobAssetId to set.
+           * @return This builder for chaining.
+           */
+          public Builder setBlobAssetId(java.lang.String value) {
             if (value == null) {
               throw new NullPointerException();
             }
-            block_ = value;
+            imageSourceCase_ = 4;
+            imageSource_ = value;
             onChanged();
-          } else {
-            textBlockBuilder_.setMessage(value);
+            return this;
           }
-          blockCase_ = 2;
-          return this;
-        }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of text content.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
-         * </code>
-         */
-        public Builder setTextBlock(
-            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutTextBlock.Builder
-                builderForValue) {
-          if (textBlockBuilder_ == null) {
-            block_ = builderForValue.build();
-            onChanged();
-          } else {
-            textBlockBuilder_.setMessage(builderForValue.build());
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Asset id of the inline image. If set, find the image
+           * content in the blob_assets field.
+           * </pre>
+           *
+           * <code>string blob_asset_id = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return This builder for chaining.
+           */
+          public Builder clearBlobAssetId() {
+            if (imageSourceCase_ == 4) {
+              imageSourceCase_ = 0;
+              imageSource_ = null;
+              onChanged();
+            }
+            return this;
           }
-          blockCase_ = 2;
-          return this;
-        }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of text content.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
-         * </code>
-         */
-        public Builder mergeTextBlock(
-            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutTextBlock
-                value) {
-          if (textBlockBuilder_ == null) {
-            if (blockCase_ == 2
-                && block_
-                    != com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                        .LayoutTextBlock.getDefaultInstance()) {
-              block_ =
-                  com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                      .LayoutTextBlock.newBuilder(
-                          (com.google.cloud.documentai.v1.Document.DocumentLayout
-                                  .DocumentLayoutBlock.LayoutTextBlock)
-                              block_)
-                      .mergeFrom(value)
-                      .buildPartial();
-            } else {
-              block_ = value;
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Asset id of the inline image. If set, find the image
+           * content in the blob_assets field.
+           * </pre>
+           *
+           * <code>string blob_asset_id = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @param value The bytes for blobAssetId to set.
+           * @return This builder for chaining.
+           */
+          public Builder setBlobAssetIdBytes(com.google.protobuf.ByteString value) {
+            if (value == null) {
+              throw new NullPointerException();
             }
+            checkByteStringIsUtf8(value);
+            imageSourceCase_ = 4;
+            imageSource_ = value;
             onChanged();
-          } else {
-            if (blockCase_ == 2) {
-              textBlockBuilder_.mergeFrom(value);
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Google Cloud Storage uri of the image.
+           * </pre>
+           *
+           * <code>string gcs_uri = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return Whether the gcsUri field is set.
+           */
+          @java.lang.Override
+          public boolean hasGcsUri() {
+            return imageSourceCase_ == 5;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Google Cloud Storage uri of the image.
+           * </pre>
+           *
+           * <code>string gcs_uri = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return The gcsUri.
+           */
+          @java.lang.Override
+          public java.lang.String getGcsUri() {
+            java.lang.Object ref = "";
+            if (imageSourceCase_ == 5) {
+              ref = imageSource_;
+            }
+            if (!(ref instanceof java.lang.String)) {
+              com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+              java.lang.String s = bs.toStringUtf8();
+              if (imageSourceCase_ == 5) {
+                imageSource_ = s;
+              }
+              return s;
             } else {
-              textBlockBuilder_.setMessage(value);
+              return (java.lang.String) ref;
             }
           }
-          blockCase_ = 2;
-          return this;
-        }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of text content.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
-         * </code>
-         */
-        public Builder clearTextBlock() {
-          if (textBlockBuilder_ == null) {
-            if (blockCase_ == 2) {
-              blockCase_ = 0;
-              block_ = null;
-              onChanged();
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Google Cloud Storage uri of the image.
+           * </pre>
+           *
+           * <code>string gcs_uri = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return The bytes for gcsUri.
+           */
+          @java.lang.Override
+          public com.google.protobuf.ByteString getGcsUriBytes() {
+            java.lang.Object ref = "";
+            if (imageSourceCase_ == 5) {
+              ref = imageSource_;
             }
-          } else {
-            if (blockCase_ == 2) {
-              blockCase_ = 0;
-              block_ = null;
+            if (ref instanceof String) {
+              com.google.protobuf.ByteString b =
+                  com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+              if (imageSourceCase_ == 5) {
+                imageSource_ = b;
+              }
+              return b;
+            } else {
+              return (com.google.protobuf.ByteString) ref;
             }
-            textBlockBuilder_.clear();
           }
-          return this;
-        }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of text content.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
-         * </code>
-         */
-        public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutTextBlock.Builder
-            getTextBlockBuilder() {
-          return internalGetTextBlockFieldBuilder().getBuilder();
-        }
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Google Cloud Storage uri of the image.
+           * </pre>
+           *
+           * <code>string gcs_uri = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @param value The gcsUri to set.
+           * @return This builder for chaining.
+           */
+          public Builder setGcsUri(java.lang.String value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            imageSourceCase_ = 5;
+            imageSource_ = value;
+            onChanged();
+            return this;
+          }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of text content.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
-         * </code>
-         */
-        @java.lang.Override
-        public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutTextBlockOrBuilder
-            getTextBlockOrBuilder() {
-          if ((blockCase_ == 2) && (textBlockBuilder_ != null)) {
-            return textBlockBuilder_.getMessageOrBuilder();
-          } else {
-            if (blockCase_ == 2) {
-              return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                      .LayoutTextBlock)
-                  block_;
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Google Cloud Storage uri of the image.
+           * </pre>
+           *
+           * <code>string gcs_uri = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return This builder for chaining.
+           */
+          public Builder clearGcsUri() {
+            if (imageSourceCase_ == 5) {
+              imageSourceCase_ = 0;
+              imageSource_ = null;
+              onChanged();
             }
-            return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutTextBlock.getDefaultInstance();
+            return this;
           }
-        }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of text content.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
-         * </code>
-         */
-        private com.google.protobuf.SingleFieldBuilder<
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutTextBlock,
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutTextBlock.Builder,
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutTextBlockOrBuilder>
-            internalGetTextBlockFieldBuilder() {
-          if (textBlockBuilder_ == null) {
-            if (!(blockCase_ == 2)) {
-              block_ =
-                  com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                      .LayoutTextBlock.getDefaultInstance();
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Google Cloud Storage uri of the image.
+           * </pre>
+           *
+           * <code>string gcs_uri = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @param value The bytes for gcsUri to set.
+           * @return This builder for chaining.
+           */
+          public Builder setGcsUriBytes(com.google.protobuf.ByteString value) {
+            if (value == null) {
+              throw new NullPointerException();
             }
-            textBlockBuilder_ =
-                new com.google.protobuf.SingleFieldBuilder<
-                    com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                        .LayoutTextBlock,
-                    com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                        .LayoutTextBlock.Builder,
-                    com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                        .LayoutTextBlockOrBuilder>(
-                    (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                            .LayoutTextBlock)
-                        block_,
-                    getParentForChildren(),
-                    isClean());
-            block_ = null;
+            checkByteStringIsUtf8(value);
+            imageSourceCase_ = 5;
+            imageSource_ = value;
+            onChanged();
+            return this;
           }
-          blockCase_ = 2;
-          onChanged();
-          return textBlockBuilder_;
-        }
 
-        private com.google.protobuf.SingleFieldBuilder<
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutTableBlock,
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutTableBlock.Builder,
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutTableBlockOrBuilder>
-            tableBlockBuilder_;
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Data uri of the image.
+           * It is composed of four parts: a prefix (data:), a MIME type
+           * indicating the type of data, an optional base64 token if
+           * non-textual, and the data itself:
+           * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+           * </pre>
+           *
+           * <code>string data_uri = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return Whether the dataUri field is set.
+           */
+          @java.lang.Override
+          public boolean hasDataUri() {
+            return imageSourceCase_ == 6;
+          }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of table content/structure.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock table_block = 3;
-         * </code>
-         *
-         * @return Whether the tableBlock field is set.
-         */
-        @java.lang.Override
-        public boolean hasTableBlock() {
-          return blockCase_ == 3;
-        }
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Data uri of the image.
+           * It is composed of four parts: a prefix (data:), a MIME type
+           * indicating the type of data, an optional base64 token if
+           * non-textual, and the data itself:
+           * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+           * </pre>
+           *
+           * <code>string data_uri = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return The dataUri.
+           */
+          @java.lang.Override
+          public java.lang.String getDataUri() {
+            java.lang.Object ref = "";
+            if (imageSourceCase_ == 6) {
+              ref = imageSource_;
+            }
+            if (!(ref instanceof java.lang.String)) {
+              com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+              java.lang.String s = bs.toStringUtf8();
+              if (imageSourceCase_ == 6) {
+                imageSource_ = s;
+              }
+              return s;
+            } else {
+              return (java.lang.String) ref;
+            }
+          }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of table content/structure.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock table_block = 3;
-         * </code>
-         *
-         * @return The tableBlock.
-         */
-        @java.lang.Override
-        public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutTableBlock
-            getTableBlock() {
-          if (tableBlockBuilder_ == null) {
-            if (blockCase_ == 3) {
-              return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                      .LayoutTableBlock)
-                  block_;
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Data uri of the image.
+           * It is composed of four parts: a prefix (data:), a MIME type
+           * indicating the type of data, an optional base64 token if
+           * non-textual, and the data itself:
+           * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+           * </pre>
+           *
+           * <code>string data_uri = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return The bytes for dataUri.
+           */
+          @java.lang.Override
+          public com.google.protobuf.ByteString getDataUriBytes() {
+            java.lang.Object ref = "";
+            if (imageSourceCase_ == 6) {
+              ref = imageSource_;
             }
-            return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutTableBlock.getDefaultInstance();
-          } else {
-            if (blockCase_ == 3) {
-              return tableBlockBuilder_.getMessage();
+            if (ref instanceof String) {
+              com.google.protobuf.ByteString b =
+                  com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+              if (imageSourceCase_ == 6) {
+                imageSource_ = b;
+              }
+              return b;
+            } else {
+              return (com.google.protobuf.ByteString) ref;
             }
-            return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutTableBlock.getDefaultInstance();
           }
-        }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of table content/structure.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock table_block = 3;
-         * </code>
-         */
-        public Builder setTableBlock(
-            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutTableBlock
-                value) {
-          if (tableBlockBuilder_ == null) {
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Data uri of the image.
+           * It is composed of four parts: a prefix (data:), a MIME type
+           * indicating the type of data, an optional base64 token if
+           * non-textual, and the data itself:
+           * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+           * </pre>
+           *
+           * <code>string data_uri = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @param value The dataUri to set.
+           * @return This builder for chaining.
+           */
+          public Builder setDataUri(java.lang.String value) {
             if (value == null) {
               throw new NullPointerException();
             }
-            block_ = value;
+            imageSourceCase_ = 6;
+            imageSource_ = value;
             onChanged();
-          } else {
-            tableBlockBuilder_.setMessage(value);
+            return this;
           }
-          blockCase_ = 3;
-          return this;
-        }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of table content/structure.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock table_block = 3;
-         * </code>
-         */
-        public Builder setTableBlock(
-            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutTableBlock.Builder
-                builderForValue) {
-          if (tableBlockBuilder_ == null) {
-            block_ = builderForValue.build();
-            onChanged();
-          } else {
-            tableBlockBuilder_.setMessage(builderForValue.build());
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Data uri of the image.
+           * It is composed of four parts: a prefix (data:), a MIME type
+           * indicating the type of data, an optional base64 token if
+           * non-textual, and the data itself:
+           * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+           * </pre>
+           *
+           * <code>string data_uri = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return This builder for chaining.
+           */
+          public Builder clearDataUri() {
+            if (imageSourceCase_ == 6) {
+              imageSourceCase_ = 0;
+              imageSource_ = null;
+              onChanged();
+            }
+            return this;
           }
-          blockCase_ = 3;
-          return this;
-        }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of table content/structure.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock table_block = 3;
-         * </code>
-         */
-        public Builder mergeTableBlock(
-            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutTableBlock
-                value) {
-          if (tableBlockBuilder_ == null) {
-            if (blockCase_ == 3
-                && block_
-                    != com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                        .LayoutTableBlock.getDefaultInstance()) {
-              block_ =
-                  com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                      .LayoutTableBlock.newBuilder(
-                          (com.google.cloud.documentai.v1.Document.DocumentLayout
-                                  .DocumentLayoutBlock.LayoutTableBlock)
-                              block_)
-                      .mergeFrom(value)
-                      .buildPartial();
-            } else {
-              block_ = value;
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Data uri of the image.
+           * It is composed of four parts: a prefix (data:), a MIME type
+           * indicating the type of data, an optional base64 token if
+           * non-textual, and the data itself:
+           * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+           * </pre>
+           *
+           * <code>string data_uri = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @param value The bytes for dataUri to set.
+           * @return This builder for chaining.
+           */
+          public Builder setDataUriBytes(com.google.protobuf.ByteString value) {
+            if (value == null) {
+              throw new NullPointerException();
             }
+            checkByteStringIsUtf8(value);
+            imageSourceCase_ = 6;
+            imageSource_ = value;
             onChanged();
-          } else {
-            if (blockCase_ == 3) {
-              tableBlockBuilder_.mergeFrom(value);
+            return this;
+          }
+
+          private java.lang.Object mimeType_ = "";
+
+          /**
+           *
+           *
+           * <pre>
+           * Mime type of the image. An IANA published [media type (MIME type)]
+           * (https://www.iana.org/assignments/media-types/media-types.xhtml).
+           * </pre>
+           *
+           * <code>string mime_type = 1;</code>
+           *
+           * @return The mimeType.
+           */
+          public java.lang.String getMimeType() {
+            java.lang.Object ref = mimeType_;
+            if (!(ref instanceof java.lang.String)) {
+              com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+              java.lang.String s = bs.toStringUtf8();
+              mimeType_ = s;
+              return s;
             } else {
-              tableBlockBuilder_.setMessage(value);
+              return (java.lang.String) ref;
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           }
-          blockCase_ = 3;
-          return this;
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-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of table content/structure.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock table_block = 3;
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-        public Builder clearTableBlock() {
-          if (tableBlockBuilder_ == null) {
-            if (blockCase_ == 3) {
-              blockCase_ = 0;
-              block_ = null;
-              onChanged();
-            }
-          } else {
-            if (blockCase_ == 3) {
-              blockCase_ = 0;
-              block_ = null;
+          /**
+           *
+           *
+           * <pre>
+           * Mime type of the image. An IANA published [media type (MIME type)]
+           * (https://www.iana.org/assignments/media-types/media-types.xhtml).
+           * </pre>
+           *
+           * <code>string mime_type = 1;</code>
+           *
+           * @return The bytes for mimeType.
+           */
+          public com.google.protobuf.ByteString getMimeTypeBytes() {
+            java.lang.Object ref = mimeType_;
+            if (ref instanceof String) {
+              com.google.protobuf.ByteString b =
+                  com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+              mimeType_ = b;
+              return b;
+            } else {
+              return (com.google.protobuf.ByteString) ref;
             }
-            tableBlockBuilder_.clear();
           }
-          return this;
-        }
-
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of table content/structure.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock table_block = 3;
-         * </code>
-         */
-        public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutTableBlock.Builder
-            getTableBlockBuilder() {
-          return internalGetTableBlockFieldBuilder().getBuilder();
-        }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of table content/structure.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock table_block = 3;
-         * </code>
-         */
-        @java.lang.Override
-        public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutTableBlockOrBuilder
-            getTableBlockOrBuilder() {
-          if ((blockCase_ == 3) && (tableBlockBuilder_ != null)) {
-            return tableBlockBuilder_.getMessageOrBuilder();
-          } else {
-            if (blockCase_ == 3) {
-              return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                      .LayoutTableBlock)
-                  block_;
+          /**
+           *
+           *
+           * <pre>
+           * Mime type of the image. An IANA published [media type (MIME type)]
+           * (https://www.iana.org/assignments/media-types/media-types.xhtml).
+           * </pre>
+           *
+           * <code>string mime_type = 1;</code>
+           *
+           * @param value The mimeType to set.
+           * @return This builder for chaining.
+           */
+          public Builder setMimeType(java.lang.String value) {
+            if (value == null) {
+              throw new NullPointerException();
             }
-            return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutTableBlock.getDefaultInstance();
+            mimeType_ = value;
+            bitField0_ |= 0x00000008;
+            onChanged();
+            return this;
           }
-        }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of table content/structure.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock table_block = 3;
-         * </code>
-         */
-        private com.google.protobuf.SingleFieldBuilder<
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutTableBlock,
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutTableBlock.Builder,
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutTableBlockOrBuilder>
-            internalGetTableBlockFieldBuilder() {
-          if (tableBlockBuilder_ == null) {
-            if (!(blockCase_ == 3)) {
-              block_ =
-                  com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
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-            tableBlockBuilder_ =
-                new com.google.protobuf.SingleFieldBuilder<
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-                        .LayoutTableBlock,
-                    com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                        .LayoutTableBlock.Builder,
-                    com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                        .LayoutTableBlockOrBuilder>(
-                    (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                            .LayoutTableBlock)
-                        block_,
-                    getParentForChildren(),
-                    isClean());
-            block_ = null;
+          /**
+           *
+           *
+           * <pre>
+           * Mime type of the image. An IANA published [media type (MIME type)]
+           * (https://www.iana.org/assignments/media-types/media-types.xhtml).
+           * </pre>
+           *
+           * <code>string mime_type = 1;</code>
+           *
+           * @return This builder for chaining.
+           */
+          public Builder clearMimeType() {
+            mimeType_ = getDefaultInstance().getMimeType();
+            bitField0_ = (bitField0_ & ~0x00000008);
+            onChanged();
+            return this;
           }
-          blockCase_ = 3;
-          onChanged();
-          return tableBlockBuilder_;
-        }
 
-        private com.google.protobuf.SingleFieldBuilder<
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutListBlock,
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutListBlock.Builder,
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutListBlockOrBuilder>
-            listBlockBuilder_;
+          /**
+           *
+           *
+           * <pre>
+           * Mime type of the image. An IANA published [media type (MIME type)]
+           * (https://www.iana.org/assignments/media-types/media-types.xhtml).
+           * </pre>
+           *
+           * <code>string mime_type = 1;</code>
+           *
+           * @param value The bytes for mimeType to set.
+           * @return This builder for chaining.
+           */
+          public Builder setMimeTypeBytes(com.google.protobuf.ByteString value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            checkByteStringIsUtf8(value);
+            mimeType_ = value;
+            bitField0_ |= 0x00000008;
+            onChanged();
+            return this;
+          }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of list content/structure.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutListBlock list_block = 4;
-         * </code>
-         *
-         * @return Whether the listBlock field is set.
-         */
-        @java.lang.Override
-        public boolean hasListBlock() {
-          return blockCase_ == 4;
-        }
+          private java.lang.Object imageText_ = "";
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of list content/structure.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutListBlock list_block = 4;
-         * </code>
-         *
-         * @return The listBlock.
-         */
-        @java.lang.Override
-        public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutListBlock
-            getListBlock() {
-          if (listBlockBuilder_ == null) {
-            if (blockCase_ == 4) {
-              return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                      .LayoutListBlock)
-                  block_;
+          /**
+           *
+           *
+           * <pre>
+           * Text extracted from the image using OCR or alt text describing the
+           * image.
+           * </pre>
+           *
+           * <code>string image_text = 2;</code>
+           *
+           * @return The imageText.
+           */
+          public java.lang.String getImageText() {
+            java.lang.Object ref = imageText_;
+            if (!(ref instanceof java.lang.String)) {
+              com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+              java.lang.String s = bs.toStringUtf8();
+              imageText_ = s;
+              return s;
+            } else {
+              return (java.lang.String) ref;
             }
-            return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutListBlock.getDefaultInstance();
-          } else {
-            if (blockCase_ == 4) {
-              return listBlockBuilder_.getMessage();
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Text extracted from the image using OCR or alt text describing the
+           * image.
+           * </pre>
+           *
+           * <code>string image_text = 2;</code>
+           *
+           * @return The bytes for imageText.
+           */
+          public com.google.protobuf.ByteString getImageTextBytes() {
+            java.lang.Object ref = imageText_;
+            if (ref instanceof String) {
+              com.google.protobuf.ByteString b =
+                  com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+              imageText_ = b;
+              return b;
+            } else {
+              return (com.google.protobuf.ByteString) ref;
             }
-            return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutListBlock.getDefaultInstance();
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-        }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of list content/structure.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutListBlock list_block = 4;
-         * </code>
-         */
-        public Builder setListBlock(
-            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutListBlock
-                value) {
-          if (listBlockBuilder_ == null) {
+          /**
+           *
+           *
+           * <pre>
+           * Text extracted from the image using OCR or alt text describing the
+           * image.
+           * </pre>
+           *
+           * <code>string image_text = 2;</code>
+           *
+           * @param value The imageText to set.
+           * @return This builder for chaining.
+           */
+          public Builder setImageText(java.lang.String value) {
             if (value == null) {
               throw new NullPointerException();
             }
-            block_ = value;
+            imageText_ = value;
+            bitField0_ |= 0x00000010;
             onChanged();
-          } else {
-            listBlockBuilder_.setMessage(value);
+            return this;
           }
-          blockCase_ = 4;
-          return this;
-        }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of list content/structure.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutListBlock list_block = 4;
-         * </code>
-         */
-        public Builder setListBlock(
-            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutListBlock.Builder
-                builderForValue) {
-          if (listBlockBuilder_ == null) {
-            block_ = builderForValue.build();
+          /**
+           *
+           *
+           * <pre>
+           * Text extracted from the image using OCR or alt text describing the
+           * image.
+           * </pre>
+           *
+           * <code>string image_text = 2;</code>
+           *
+           * @return This builder for chaining.
+           */
+          public Builder clearImageText() {
+            imageText_ = getDefaultInstance().getImageText();
+            bitField0_ = (bitField0_ & ~0x00000010);
             onChanged();
-          } else {
-            listBlockBuilder_.setMessage(builderForValue.build());
+            return this;
           }
-          blockCase_ = 4;
-          return this;
-        }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of list content/structure.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutListBlock list_block = 4;
-         * </code>
-         */
-        public Builder mergeListBlock(
-            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutListBlock
-                value) {
-          if (listBlockBuilder_ == null) {
-            if (blockCase_ == 4
-                && block_
-                    != com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                        .LayoutListBlock.getDefaultInstance()) {
-              block_ =
-                  com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                      .LayoutListBlock.newBuilder(
-                          (com.google.cloud.documentai.v1.Document.DocumentLayout
-                                  .DocumentLayoutBlock.LayoutListBlock)
-                              block_)
-                      .mergeFrom(value)
-                      .buildPartial();
+          /**
+           *
+           *
+           * <pre>
+           * Text extracted from the image using OCR or alt text describing the
+           * image.
+           * </pre>
+           *
+           * <code>string image_text = 2;</code>
+           *
+           * @param value The bytes for imageText to set.
+           * @return This builder for chaining.
+           */
+          public Builder setImageTextBytes(com.google.protobuf.ByteString value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            checkByteStringIsUtf8(value);
+            imageText_ = value;
+            bitField0_ |= 0x00000010;
+            onChanged();
+            return this;
+          }
+
+          private com.google.cloud.documentai.v1.Document.Annotations annotations_;
+          private com.google.protobuf.SingleFieldBuilder<
+                  com.google.cloud.documentai.v1.Document.Annotations,
+                  com.google.cloud.documentai.v1.Document.Annotations.Builder,
+                  com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder>
+              annotationsBuilder_;
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the image block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 3;</code>
+           *
+           * @return Whether the annotations field is set.
+           */
+          public boolean hasAnnotations() {
+            return ((bitField0_ & 0x00000020) != 0);
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the image block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 3;</code>
+           *
+           * @return The annotations.
+           */
+          public com.google.cloud.documentai.v1.Document.Annotations getAnnotations() {
+            if (annotationsBuilder_ == null) {
+              return annotations_ == null
+                  ? com.google.cloud.documentai.v1.Document.Annotations.getDefaultInstance()
+                  : annotations_;
             } else {
-              block_ = value;
+              return annotationsBuilder_.getMessage();
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the image block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 3;</code>
+           */
+          public Builder setAnnotations(com.google.cloud.documentai.v1.Document.Annotations value) {
+            if (annotationsBuilder_ == null) {
+              if (value == null) {
+                throw new NullPointerException();
+              }
+              annotations_ = value;
+            } else {
+              annotationsBuilder_.setMessage(value);
             }
+            bitField0_ |= 0x00000020;
             onChanged();
-          } else {
-            if (blockCase_ == 4) {
-              listBlockBuilder_.mergeFrom(value);
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the image block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 3;</code>
+           */
+          public Builder setAnnotations(
+              com.google.cloud.documentai.v1.Document.Annotations.Builder builderForValue) {
+            if (annotationsBuilder_ == null) {
+              annotations_ = builderForValue.build();
             } else {
-              listBlockBuilder_.setMessage(value);
+              annotationsBuilder_.setMessage(builderForValue.build());
             }
+            bitField0_ |= 0x00000020;
+            onChanged();
+            return this;
           }
-          blockCase_ = 4;
-          return this;
-        }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of list content/structure.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutListBlock list_block = 4;
-         * </code>
-         */
-        public Builder clearListBlock() {
-          if (listBlockBuilder_ == null) {
-            if (blockCase_ == 4) {
-              blockCase_ = 0;
-              block_ = null;
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the image block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 3;</code>
+           */
+          public Builder mergeAnnotations(
+              com.google.cloud.documentai.v1.Document.Annotations value) {
+            if (annotationsBuilder_ == null) {
+              if (((bitField0_ & 0x00000020) != 0)
+                  && annotations_ != null
+                  && annotations_
+                      != com.google.cloud.documentai.v1.Document.Annotations.getDefaultInstance()) {
+                getAnnotationsBuilder().mergeFrom(value);
+              } else {
+                annotations_ = value;
+              }
+            } else {
+              annotationsBuilder_.mergeFrom(value);
+            }
+            if (annotations_ != null) {
+              bitField0_ |= 0x00000020;
               onChanged();
             }
-          } else {
-            if (blockCase_ == 4) {
-              blockCase_ = 0;
-              block_ = null;
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the image block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 3;</code>
+           */
+          public Builder clearAnnotations() {
+            bitField0_ = (bitField0_ & ~0x00000020);
+            annotations_ = null;
+            if (annotationsBuilder_ != null) {
+              annotationsBuilder_.dispose();
+              annotationsBuilder_ = null;
             }
-            listBlockBuilder_.clear();
+            onChanged();
+            return this;
           }
-          return this;
-        }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of list content/structure.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutListBlock list_block = 4;
-         * </code>
-         */
-        public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutListBlock.Builder
-            getListBlockBuilder() {
-          return internalGetListBlockFieldBuilder().getBuilder();
-        }
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the image block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 3;</code>
+           */
+          public com.google.cloud.documentai.v1.Document.Annotations.Builder
+              getAnnotationsBuilder() {
+            bitField0_ |= 0x00000020;
+            onChanged();
+            return internalGetAnnotationsFieldBuilder().getBuilder();
+          }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of list content/structure.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutListBlock list_block = 4;
-         * </code>
-         */
-        @java.lang.Override
-        public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutListBlockOrBuilder
-            getListBlockOrBuilder() {
-          if ((blockCase_ == 4) && (listBlockBuilder_ != null)) {
-            return listBlockBuilder_.getMessageOrBuilder();
-          } else {
-            if (blockCase_ == 4) {
-              return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                      .LayoutListBlock)
-                  block_;
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the image block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 3;</code>
+           */
+          public com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder
+              getAnnotationsOrBuilder() {
+            if (annotationsBuilder_ != null) {
+              return annotationsBuilder_.getMessageOrBuilder();
+            } else {
+              return annotations_ == null
+                  ? com.google.cloud.documentai.v1.Document.Annotations.getDefaultInstance()
+                  : annotations_;
             }
-            return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutListBlock.getDefaultInstance();
           }
-        }
 
-        /**
-         *
-         *
-         * <pre>
-         * Block consisting of list content/structure.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutListBlock list_block = 4;
-         * </code>
-         */
-        private com.google.protobuf.SingleFieldBuilder<
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutListBlock,
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutListBlock.Builder,
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutListBlockOrBuilder>
-            internalGetListBlockFieldBuilder() {
-          if (listBlockBuilder_ == null) {
-            if (!(blockCase_ == 4)) {
-              block_ =
-                  com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                      .LayoutListBlock.getDefaultInstance();
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the image block.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 3;</code>
+           */
+          private com.google.protobuf.SingleFieldBuilder<
+                  com.google.cloud.documentai.v1.Document.Annotations,
+                  com.google.cloud.documentai.v1.Document.Annotations.Builder,
+                  com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder>
+              internalGetAnnotationsFieldBuilder() {
+            if (annotationsBuilder_ == null) {
+              annotationsBuilder_ =
+                  new com.google.protobuf.SingleFieldBuilder<
+                      com.google.cloud.documentai.v1.Document.Annotations,
+                      com.google.cloud.documentai.v1.Document.Annotations.Builder,
+                      com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder>(
+                      getAnnotations(), getParentForChildren(), isClean());
+              annotations_ = null;
             }
-            listBlockBuilder_ =
-                new com.google.protobuf.SingleFieldBuilder<
-                    com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                        .LayoutListBlock,
-                    com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                        .LayoutListBlock.Builder,
-                    com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                        .LayoutListBlockOrBuilder>(
-                    (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                            .LayoutListBlock)
-                        block_,
-                    getParentForChildren(),
-                    isClean());
-            block_ = null;
+            return annotationsBuilder_;
           }
-          blockCase_ = 4;
-          onChanged();
-          return listBlockBuilder_;
+
+          // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutImageBlock)
         }
 
-        private java.lang.Object blockId_ = "";
+        // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutImageBlock)
+        private static final com.google.cloud.documentai.v1.Document.DocumentLayout
+                .DocumentLayoutBlock.LayoutImageBlock
+            DEFAULT_INSTANCE;
 
-        /**
-         *
-         *
-         * <pre>
-         * ID of the block.
-         * </pre>
-         *
-         * <code>string block_id = 1;</code>
-         *
-         * @return The blockId.
-         */
-        public java.lang.String getBlockId() {
-          java.lang.Object ref = blockId_;
-          if (!(ref instanceof java.lang.String)) {
-            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
-            java.lang.String s = bs.toStringUtf8();
-            blockId_ = s;
-            return s;
-          } else {
-            return (java.lang.String) ref;
-          }
+        static {
+          DEFAULT_INSTANCE =
+              new com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                  .LayoutImageBlock();
         }
 
-        /**
-         *
-         *
-         * <pre>
-         * ID of the block.
-         * </pre>
-         *
-         * <code>string block_id = 1;</code>
-         *
-         * @return The bytes for blockId.
-         */
-        public com.google.protobuf.ByteString getBlockIdBytes() {
-          java.lang.Object ref = blockId_;
-          if (ref instanceof String) {
-            com.google.protobuf.ByteString b =
-                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-            blockId_ = b;
-            return b;
-          } else {
-            return (com.google.protobuf.ByteString) ref;
-          }
-        }
-
-        /**
-         *
-         *
-         * <pre>
-         * ID of the block.
-         * </pre>
-         *
-         * <code>string block_id = 1;</code>
-         *
-         * @param value The blockId to set.
-         * @return This builder for chaining.
-         */
-        public Builder setBlockId(java.lang.String value) {
-          if (value == null) {
-            throw new NullPointerException();
-          }
-          blockId_ = value;
-          bitField0_ |= 0x00000008;
-          onChanged();
-          return this;
+        public static com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                .LayoutImageBlock
+            getDefaultInstance() {
+          return DEFAULT_INSTANCE;
         }
 
-        /**
-         *
-         *
-         * <pre>
-         * ID of the block.
-         * </pre>
-         *
-         * <code>string block_id = 1;</code>
-         *
-         * @return This builder for chaining.
-         */
-        public Builder clearBlockId() {
-          blockId_ = getDefaultInstance().getBlockId();
-          bitField0_ = (bitField0_ & ~0x00000008);
-          onChanged();
-          return this;
-        }
+        private static final com.google.protobuf.Parser<LayoutImageBlock> PARSER =
+            new com.google.protobuf.AbstractParser<LayoutImageBlock>() {
+              @java.lang.Override
+              public LayoutImageBlock parsePartialFrom(
+                  com.google.protobuf.CodedInputStream input,
+                  com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                  throws com.google.protobuf.InvalidProtocolBufferException {
+                Builder builder = newBuilder();
+                try {
+                  builder.mergeFrom(input, extensionRegistry);
+                } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+                  throw e.setUnfinishedMessage(builder.buildPartial());
+                } catch (com.google.protobuf.UninitializedMessageException e) {
+                  throw e.asInvalidProtocolBufferException()
+                      .setUnfinishedMessage(builder.buildPartial());
+                } catch (java.io.IOException e) {
+                  throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                      .setUnfinishedMessage(builder.buildPartial());
+                }
+                return builder.buildPartial();
+              }
+            };
 
-        /**
-         *
-         *
-         * <pre>
-         * ID of the block.
-         * </pre>
-         *
-         * <code>string block_id = 1;</code>
-         *
-         * @param value The bytes for blockId to set.
-         * @return This builder for chaining.
-         */
-        public Builder setBlockIdBytes(com.google.protobuf.ByteString value) {
-          if (value == null) {
-            throw new NullPointerException();
-          }
-          checkByteStringIsUtf8(value);
-          blockId_ = value;
-          bitField0_ |= 0x00000008;
-          onChanged();
-          return this;
+        public static com.google.protobuf.Parser<LayoutImageBlock> parser() {
+          return PARSER;
         }
 
-        private com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutPageSpan
-            pageSpan_;
-        private com.google.protobuf.SingleFieldBuilder<
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutPageSpan,
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutPageSpan.Builder,
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutPageSpanOrBuilder>
-            pageSpanBuilder_;
-
-        /**
-         *
-         *
-         * <pre>
-         * Page span of the block.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutPageSpan page_span = 5;
-         * </code>
-         *
-         * @return Whether the pageSpan field is set.
-         */
-        public boolean hasPageSpan() {
-          return ((bitField0_ & 0x00000010) != 0);
+        @java.lang.Override
+        public com.google.protobuf.Parser<LayoutImageBlock> getParserForType() {
+          return PARSER;
         }
 
-        /**
-         *
-         *
-         * <pre>
-         * Page span of the block.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutPageSpan page_span = 5;
-         * </code>
-         *
-         * @return The pageSpan.
-         */
+        @java.lang.Override
         public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutPageSpan
-            getPageSpan() {
-          if (pageSpanBuilder_ == null) {
-            return pageSpan_ == null
-                ? com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutPageSpan.getDefaultInstance()
-                : pageSpan_;
-          } else {
-            return pageSpanBuilder_.getMessage();
-          }
+                .LayoutImageBlock
+            getDefaultInstanceForType() {
+          return DEFAULT_INSTANCE;
         }
+      }
 
-        /**
-         *
-         *
-         * <pre>
-         * Page span of the block.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutPageSpan page_span = 5;
-         * </code>
-         */
-        public Builder setPageSpan(
-            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutPageSpan
-                value) {
-          if (pageSpanBuilder_ == null) {
-            if (value == null) {
-              throw new NullPointerException();
-            }
-            pageSpan_ = value;
-          } else {
-            pageSpanBuilder_.setMessage(value);
-          }
-          bitField0_ |= 0x00000010;
-          onChanged();
-          return this;
-        }
+      private int bitField0_;
+      private int blockCase_ = 0;
 
-        /**
-         *
-         *
-         * <pre>
-         * Page span of the block.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutPageSpan page_span = 5;
-         * </code>
-         */
-        public Builder setPageSpan(
-            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutPageSpan.Builder
-                builderForValue) {
-          if (pageSpanBuilder_ == null) {
-            pageSpan_ = builderForValue.build();
-          } else {
-            pageSpanBuilder_.setMessage(builderForValue.build());
-          }
-          bitField0_ |= 0x00000010;
-          onChanged();
-          return this;
-        }
+      @SuppressWarnings("serial")
+      private java.lang.Object block_;
 
-        /**
-         *
-         *
-         * <pre>
-         * Page span of the block.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutPageSpan page_span = 5;
-         * </code>
-         */
-        public Builder mergePageSpan(
-            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutPageSpan
-                value) {
-          if (pageSpanBuilder_ == null) {
-            if (((bitField0_ & 0x00000010) != 0)
-                && pageSpan_ != null
-                && pageSpan_
-                    != com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                        .LayoutPageSpan.getDefaultInstance()) {
-              getPageSpanBuilder().mergeFrom(value);
-            } else {
-              pageSpan_ = value;
-            }
-          } else {
-            pageSpanBuilder_.mergeFrom(value);
-          }
-          if (pageSpan_ != null) {
-            bitField0_ |= 0x00000010;
-            onChanged();
-          }
-          return this;
-        }
+      public enum BlockCase
+          implements
+              com.google.protobuf.Internal.EnumLite,
+              com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+        TEXT_BLOCK(2),
+        TABLE_BLOCK(3),
+        LIST_BLOCK(4),
+        IMAGE_BLOCK(7),
+        BLOCK_NOT_SET(0);
+        private final int value;
 
-        /**
-         *
-         *
-         * <pre>
-         * Page span of the block.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutPageSpan page_span = 5;
-         * </code>
-         */
-        public Builder clearPageSpan() {
-          bitField0_ = (bitField0_ & ~0x00000010);
-          pageSpan_ = null;
-          if (pageSpanBuilder_ != null) {
-            pageSpanBuilder_.dispose();
-            pageSpanBuilder_ = null;
-          }
-          onChanged();
-          return this;
+        private BlockCase(int value) {
+          this.value = value;
         }
 
         /**
-         *
-         *
-         * <pre>
-         * Page span of the block.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutPageSpan page_span = 5;
-         * </code>
+         * @param value The number of the enum to look for.
+         * @return The enum associated with the given number.
+         * @deprecated Use {@link #forNumber(int)} instead.
          */
-        public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutPageSpan.Builder
-            getPageSpanBuilder() {
-          bitField0_ |= 0x00000010;
-          onChanged();
-          return internalGetPageSpanFieldBuilder().getBuilder();
+        @java.lang.Deprecated
+        public static BlockCase valueOf(int value) {
+          return forNumber(value);
         }
 
-        /**
-         *
-         *
-         * <pre>
-         * Page span of the block.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutPageSpan page_span = 5;
-         * </code>
-         */
-        public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                .LayoutPageSpanOrBuilder
-            getPageSpanOrBuilder() {
-          if (pageSpanBuilder_ != null) {
-            return pageSpanBuilder_.getMessageOrBuilder();
-          } else {
-            return pageSpan_ == null
-                ? com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutPageSpan.getDefaultInstance()
-                : pageSpan_;
+        public static BlockCase forNumber(int value) {
+          switch (value) {
+            case 2:
+              return TEXT_BLOCK;
+            case 3:
+              return TABLE_BLOCK;
+            case 4:
+              return LIST_BLOCK;
+            case 7:
+              return IMAGE_BLOCK;
+            case 0:
+              return BLOCK_NOT_SET;
+            default:
+              return null;
           }
         }
 
-        /**
-         *
-         *
-         * <pre>
-         * Page span of the block.
-         * </pre>
-         *
-         * <code>
-         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutPageSpan page_span = 5;
-         * </code>
-         */
-        private com.google.protobuf.SingleFieldBuilder<
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutPageSpan,
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutPageSpan.Builder,
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                    .LayoutPageSpanOrBuilder>
-            internalGetPageSpanFieldBuilder() {
-          if (pageSpanBuilder_ == null) {
-            pageSpanBuilder_ =
-                new com.google.protobuf.SingleFieldBuilder<
-                    com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                        .LayoutPageSpan,
-                    com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                        .LayoutPageSpan.Builder,
-                    com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-                        .LayoutPageSpanOrBuilder>(getPageSpan(), getParentForChildren(), isClean());
-            pageSpan_ = null;
-          }
-          return pageSpanBuilder_;
+        public int getNumber() {
+          return this.value;
         }
+      };
 
-        private com.google.cloud.documentai.v1.BoundingPoly boundingBox_;
-        private com.google.protobuf.SingleFieldBuilder<
-                com.google.cloud.documentai.v1.BoundingPoly,
-                com.google.cloud.documentai.v1.BoundingPoly.Builder,
-                com.google.cloud.documentai.v1.BoundingPolyOrBuilder>
-            boundingBoxBuilder_;
+      public BlockCase getBlockCase() {
+        return BlockCase.forNumber(blockCase_);
+      }
 
-        /**
-         *
-         *
-         * <pre>
-         * Identifies the bounding box for the block.
-         * </pre>
-         *
-         * <code>.google.cloud.documentai.v1.BoundingPoly bounding_box = 6;</code>
-         *
-         * @return Whether the boundingBox field is set.
-         */
-        public boolean hasBoundingBox() {
-          return ((bitField0_ & 0x00000020) != 0);
-        }
+      public static final int TEXT_BLOCK_FIELD_NUMBER = 2;
 
-        /**
-         *
-         *
-         * <pre>
-         * Identifies the bounding box for the block.
-         * </pre>
-         *
-         * <code>.google.cloud.documentai.v1.BoundingPoly bounding_box = 6;</code>
-         *
-         * @return The boundingBox.
-         */
-        public com.google.cloud.documentai.v1.BoundingPoly getBoundingBox() {
-          if (boundingBoxBuilder_ == null) {
-            return boundingBox_ == null
-                ? com.google.cloud.documentai.v1.BoundingPoly.getDefaultInstance()
-                : boundingBox_;
-          } else {
-            return boundingBoxBuilder_.getMessage();
-          }
-        }
+      /**
+       *
+       *
+       * <pre>
+       * Block consisting of text content.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
+       * </code>
+       *
+       * @return Whether the textBlock field is set.
+       */
+      @java.lang.Override
+      public boolean hasTextBlock() {
+        return blockCase_ == 2;
+      }
 
-        /**
-         *
-         *
-         * <pre>
-         * Identifies the bounding box for the block.
-         * </pre>
-         *
-         * <code>.google.cloud.documentai.v1.BoundingPoly bounding_box = 6;</code>
-         */
-        public Builder setBoundingBox(com.google.cloud.documentai.v1.BoundingPoly value) {
-          if (boundingBoxBuilder_ == null) {
-            if (value == null) {
-              throw new NullPointerException();
-            }
-            boundingBox_ = value;
-          } else {
-            boundingBoxBuilder_.setMessage(value);
-          }
-          bitField0_ |= 0x00000020;
-          onChanged();
-          return this;
+      /**
+       *
+       *
+       * <pre>
+       * Block consisting of text content.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
+       * </code>
+       *
+       * @return The textBlock.
+       */
+      @java.lang.Override
+      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+              .LayoutTextBlock
+          getTextBlock() {
+        if (blockCase_ == 2) {
+          return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                  .LayoutTextBlock)
+              block_;
         }
+        return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+            .LayoutTextBlock.getDefaultInstance();
+      }
 
-        /**
-         *
-         *
-         * <pre>
-         * Identifies the bounding box for the block.
-         * </pre>
-         *
-         * <code>.google.cloud.documentai.v1.BoundingPoly bounding_box = 6;</code>
-         */
-        public Builder setBoundingBox(
-            com.google.cloud.documentai.v1.BoundingPoly.Builder builderForValue) {
-          if (boundingBoxBuilder_ == null) {
-            boundingBox_ = builderForValue.build();
-          } else {
-            boundingBoxBuilder_.setMessage(builderForValue.build());
-          }
-          bitField0_ |= 0x00000020;
-          onChanged();
-          return this;
+      /**
+       *
+       *
+       * <pre>
+       * Block consisting of text content.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
+       * </code>
+       */
+      @java.lang.Override
+      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+              .LayoutTextBlockOrBuilder
+          getTextBlockOrBuilder() {
+        if (blockCase_ == 2) {
+          return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                  .LayoutTextBlock)
+              block_;
         }
+        return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+            .LayoutTextBlock.getDefaultInstance();
+      }
 
-        /**
-         *
-         *
-         * <pre>
-         * Identifies the bounding box for the block.
-         * </pre>
-         *
-         * <code>.google.cloud.documentai.v1.BoundingPoly bounding_box = 6;</code>
-         */
-        public Builder mergeBoundingBox(com.google.cloud.documentai.v1.BoundingPoly value) {
-          if (boundingBoxBuilder_ == null) {
-            if (((bitField0_ & 0x00000020) != 0)
-                && boundingBox_ != null
-                && boundingBox_
-                    != com.google.cloud.documentai.v1.BoundingPoly.getDefaultInstance()) {
-              getBoundingBoxBuilder().mergeFrom(value);
-            } else {
-              boundingBox_ = value;
-            }
-          } else {
-            boundingBoxBuilder_.mergeFrom(value);
-          }
-          if (boundingBox_ != null) {
-            bitField0_ |= 0x00000020;
-            onChanged();
-          }
-          return this;
-        }
+      public static final int TABLE_BLOCK_FIELD_NUMBER = 3;
 
-        /**
-         *
-         *
-         * <pre>
-         * Identifies the bounding box for the block.
-         * </pre>
-         *
-         * <code>.google.cloud.documentai.v1.BoundingPoly bounding_box = 6;</code>
-         */
-        public Builder clearBoundingBox() {
-          bitField0_ = (bitField0_ & ~0x00000020);
-          boundingBox_ = null;
-          if (boundingBoxBuilder_ != null) {
-            boundingBoxBuilder_.dispose();
-            boundingBoxBuilder_ = null;
-          }
-          onChanged();
-          return this;
-        }
+      /**
+       *
+       *
+       * <pre>
+       * Block consisting of table content/structure.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock table_block = 3;
+       * </code>
+       *
+       * @return Whether the tableBlock field is set.
+       */
+      @java.lang.Override
+      public boolean hasTableBlock() {
+        return blockCase_ == 3;
+      }
 
-        /**
-         *
-         *
-         * <pre>
-         * Identifies the bounding box for the block.
-         * </pre>
-         *
-         * <code>.google.cloud.documentai.v1.BoundingPoly bounding_box = 6;</code>
-         */
-        public com.google.cloud.documentai.v1.BoundingPoly.Builder getBoundingBoxBuilder() {
-          bitField0_ |= 0x00000020;
-          onChanged();
-          return internalGetBoundingBoxFieldBuilder().getBuilder();
+      /**
+       *
+       *
+       * <pre>
+       * Block consisting of table content/structure.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock table_block = 3;
+       * </code>
+       *
+       * @return The tableBlock.
+       */
+      @java.lang.Override
+      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+              .LayoutTableBlock
+          getTableBlock() {
+        if (blockCase_ == 3) {
+          return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                  .LayoutTableBlock)
+              block_;
         }
+        return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+            .LayoutTableBlock.getDefaultInstance();
+      }
 
-        /**
-         *
-         *
-         * <pre>
-         * Identifies the bounding box for the block.
-         * </pre>
-         *
-         * <code>.google.cloud.documentai.v1.BoundingPoly bounding_box = 6;</code>
-         */
-        public com.google.cloud.documentai.v1.BoundingPolyOrBuilder getBoundingBoxOrBuilder() {
-          if (boundingBoxBuilder_ != null) {
-            return boundingBoxBuilder_.getMessageOrBuilder();
-          } else {
-            return boundingBox_ == null
-                ? com.google.cloud.documentai.v1.BoundingPoly.getDefaultInstance()
-                : boundingBox_;
-          }
+      /**
+       *
+       *
+       * <pre>
+       * Block consisting of table content/structure.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTableBlock table_block = 3;
+       * </code>
+       */
+      @java.lang.Override
+      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+              .LayoutTableBlockOrBuilder
+          getTableBlockOrBuilder() {
+        if (blockCase_ == 3) {
+          return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                  .LayoutTableBlock)
+              block_;
         }
+        return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+            .LayoutTableBlock.getDefaultInstance();
+      }
 
-        /**
-         *
-         *
-         * <pre>
-         * Identifies the bounding box for the block.
-         * </pre>
-         *
-         * <code>.google.cloud.documentai.v1.BoundingPoly bounding_box = 6;</code>
-         */
-        private com.google.protobuf.SingleFieldBuilder<
-                com.google.cloud.documentai.v1.BoundingPoly,
-                com.google.cloud.documentai.v1.BoundingPoly.Builder,
-                com.google.cloud.documentai.v1.BoundingPolyOrBuilder>
-            internalGetBoundingBoxFieldBuilder() {
-          if (boundingBoxBuilder_ == null) {
-            boundingBoxBuilder_ =
-                new com.google.protobuf.SingleFieldBuilder<
-                    com.google.cloud.documentai.v1.BoundingPoly,
-                    com.google.cloud.documentai.v1.BoundingPoly.Builder,
-                    com.google.cloud.documentai.v1.BoundingPolyOrBuilder>(
-                    getBoundingBox(), getParentForChildren(), isClean());
-            boundingBox_ = null;
-          }
-          return boundingBoxBuilder_;
-        }
+      public static final int LIST_BLOCK_FIELD_NUMBER = 4;
 
-        // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock)
+      /**
+       *
+       *
+       * <pre>
+       * Block consisting of list content/structure.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutListBlock list_block = 4;
+       * </code>
+       *
+       * @return Whether the listBlock field is set.
+       */
+      @java.lang.Override
+      public boolean hasListBlock() {
+        return blockCase_ == 4;
       }
 
-      // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock)
-      private static final com.google.cloud.documentai.v1.Document.DocumentLayout
-              .DocumentLayoutBlock
-          DEFAULT_INSTANCE;
-
-      static {
-        DEFAULT_INSTANCE =
-            new com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock();
+      /**
+       *
+       *
+       * <pre>
+       * Block consisting of list content/structure.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutListBlock list_block = 4;
+       * </code>
+       *
+       * @return The listBlock.
+       */
+      @java.lang.Override
+      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+              .LayoutListBlock
+          getListBlock() {
+        if (blockCase_ == 4) {
+          return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                  .LayoutListBlock)
+              block_;
+        }
+        return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+            .LayoutListBlock.getDefaultInstance();
       }
 
-      public static com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-          getDefaultInstance() {
-        return DEFAULT_INSTANCE;
+      /**
+       *
+       *
+       * <pre>
+       * Block consisting of list content/structure.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutListBlock list_block = 4;
+       * </code>
+       */
+      @java.lang.Override
+      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+              .LayoutListBlockOrBuilder
+          getListBlockOrBuilder() {
+        if (blockCase_ == 4) {
+          return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                  .LayoutListBlock)
+              block_;
+        }
+        return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+            .LayoutListBlock.getDefaultInstance();
       }
 
-      private static final com.google.protobuf.Parser<DocumentLayoutBlock> PARSER =
-          new com.google.protobuf.AbstractParser<DocumentLayoutBlock>() {
-            @java.lang.Override
-            public DocumentLayoutBlock parsePartialFrom(
-                com.google.protobuf.CodedInputStream input,
-                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-                throws com.google.protobuf.InvalidProtocolBufferException {
-              Builder builder = newBuilder();
-              try {
-                builder.mergeFrom(input, extensionRegistry);
-              } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-                throw e.setUnfinishedMessage(builder.buildPartial());
-              } catch (com.google.protobuf.UninitializedMessageException e) {
-                throw e.asInvalidProtocolBufferException()
-                    .setUnfinishedMessage(builder.buildPartial());
-              } catch (java.io.IOException e) {
-                throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                    .setUnfinishedMessage(builder.buildPartial());
-              }
-              return builder.buildPartial();
-            }
-          };
+      public static final int IMAGE_BLOCK_FIELD_NUMBER = 7;
 
-      public static com.google.protobuf.Parser<DocumentLayoutBlock> parser() {
-        return PARSER;
+      /**
+       *
+       *
+       * <pre>
+       * Block consisting of image content.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutImageBlock image_block = 7;
+       * </code>
+       *
+       * @return Whether the imageBlock field is set.
+       */
+      @java.lang.Override
+      public boolean hasImageBlock() {
+        return blockCase_ == 7;
       }
 
+      /**
+       *
+       *
+       * <pre>
+       * Block consisting of image content.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutImageBlock image_block = 7;
+       * </code>
+       *
+       * @return The imageBlock.
+       */
       @java.lang.Override
-      public com.google.protobuf.Parser<DocumentLayoutBlock> getParserForType() {
-        return PARSER;
+      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+              .LayoutImageBlock
+          getImageBlock() {
+        if (blockCase_ == 7) {
+          return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                  .LayoutImageBlock)
+              block_;
+        }
+        return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+            .LayoutImageBlock.getDefaultInstance();
       }
 
+      /**
+       *
+       *
+       * <pre>
+       * Block consisting of image content.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutImageBlock image_block = 7;
+       * </code>
+       */
       @java.lang.Override
       public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
-          getDefaultInstanceForType() {
-        return DEFAULT_INSTANCE;
+              .LayoutImageBlockOrBuilder
+          getImageBlockOrBuilder() {
+        if (blockCase_ == 7) {
+          return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                  .LayoutImageBlock)
+              block_;
+        }
+        return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+            .LayoutImageBlock.getDefaultInstance();
       }
-    }
-
-    public static final int BLOCKS_FIELD_NUMBER = 1;
-
-    @SuppressWarnings("serial")
-    private java.util.List<
-            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock>
-        blocks_;
-
-    /**
-     *
-     *
-     * <pre>
-     * List of blocks in the document.
-     * </pre>
-     *
-     * <code>
-     * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
-     * </code>
-     */
-    @java.lang.Override
-    public java.util.List<
-            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock>
-        getBlocksList() {
-      return blocks_;
-    }
-
-    /**
-     *
-     *
-     * <pre>
-     * List of blocks in the document.
-     * </pre>
-     *
-     * <code>
-     * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
-     * </code>
-     */
-    @java.lang.Override
-    public java.util.List<
-            ? extends
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlockOrBuilder>
-        getBlocksOrBuilderList() {
-      return blocks_;
-    }
-
-    /**
-     *
-     *
-     * <pre>
-     * List of blocks in the document.
-     * </pre>
-     *
-     * <code>
-     * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
-     * </code>
-     */
-    @java.lang.Override
-    public int getBlocksCount() {
-      return blocks_.size();
-    }
-
-    /**
-     *
-     *
-     * <pre>
-     * List of blocks in the document.
-     * </pre>
-     *
-     * <code>
-     * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
-     * </code>
-     */
-    @java.lang.Override
-    public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock getBlocks(
-        int index) {
-      return blocks_.get(index);
-    }
-
-    /**
-     *
-     *
-     * <pre>
-     * List of blocks in the document.
-     * </pre>
-     *
-     * <code>
-     * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
-     * </code>
-     */
-    @java.lang.Override
-    public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlockOrBuilder
-        getBlocksOrBuilder(int index) {
-      return blocks_.get(index);
-    }
 
-    private byte memoizedIsInitialized = -1;
+      public static final int BLOCK_ID_FIELD_NUMBER = 1;
 
-    @java.lang.Override
-    public final boolean isInitialized() {
-      byte isInitialized = memoizedIsInitialized;
-      if (isInitialized == 1) return true;
-      if (isInitialized == 0) return false;
+      @SuppressWarnings("serial")
+      private volatile java.lang.Object blockId_ = "";
 
-      memoizedIsInitialized = 1;
-      return true;
-    }
+      /**
+       *
+       *
+       * <pre>
+       * ID of the block.
+       * </pre>
+       *
+       * <code>string block_id = 1;</code>
+       *
+       * @return The blockId.
+       */
+      @java.lang.Override
+      public java.lang.String getBlockId() {
+        java.lang.Object ref = blockId_;
+        if (ref instanceof java.lang.String) {
+          return (java.lang.String) ref;
+        } else {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          blockId_ = s;
+          return s;
+        }
+      }
 
-    @java.lang.Override
-    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-      for (int i = 0; i < blocks_.size(); i++) {
-        output.writeMessage(1, blocks_.get(i));
+      /**
+       *
+       *
+       * <pre>
+       * ID of the block.
+       * </pre>
+       *
+       * <code>string block_id = 1;</code>
+       *
+       * @return The bytes for blockId.
+       */
+      @java.lang.Override
+      public com.google.protobuf.ByteString getBlockIdBytes() {
+        java.lang.Object ref = blockId_;
+        if (ref instanceof java.lang.String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          blockId_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
       }
-      getUnknownFields().writeTo(output);
-    }
 
-    @java.lang.Override
-    public int getSerializedSize() {
-      int size = memoizedSize;
-      if (size != -1) return size;
+      public static final int PAGE_SPAN_FIELD_NUMBER = 5;
+      private com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+              .LayoutPageSpan
+          pageSpan_;
 
-      size = 0;
-      for (int i = 0; i < blocks_.size(); i++) {
-        size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, blocks_.get(i));
+      /**
+       *
+       *
+       * <pre>
+       * Page span of the block.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutPageSpan page_span = 5;
+       * </code>
+       *
+       * @return Whether the pageSpan field is set.
+       */
+      @java.lang.Override
+      public boolean hasPageSpan() {
+        return ((bitField0_ & 0x00000001) != 0);
       }
-      size += getUnknownFields().getSerializedSize();
-      memoizedSize = size;
-      return size;
-    }
 
-    @java.lang.Override
-    public boolean equals(final java.lang.Object obj) {
-      if (obj == this) {
-        return true;
-      }
-      if (!(obj instanceof com.google.cloud.documentai.v1.Document.DocumentLayout)) {
-        return super.equals(obj);
+      /**
+       *
+       *
+       * <pre>
+       * Page span of the block.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutPageSpan page_span = 5;
+       * </code>
+       *
+       * @return The pageSpan.
+       */
+      @java.lang.Override
+      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+              .LayoutPageSpan
+          getPageSpan() {
+        return pageSpan_ == null
+            ? com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                .LayoutPageSpan.getDefaultInstance()
+            : pageSpan_;
       }
-      com.google.cloud.documentai.v1.Document.DocumentLayout other =
-          (com.google.cloud.documentai.v1.Document.DocumentLayout) obj;
 
-      if (!getBlocksList().equals(other.getBlocksList())) return false;
-      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
-      return true;
-    }
-
-    @java.lang.Override
-    public int hashCode() {
-      if (memoizedHashCode != 0) {
-        return memoizedHashCode;
-      }
-      int hash = 41;
-      hash = (19 * hash) + getDescriptor().hashCode();
-      if (getBlocksCount() > 0) {
-        hash = (37 * hash) + BLOCKS_FIELD_NUMBER;
-        hash = (53 * hash) + getBlocksList().hashCode();
+      /**
+       *
+       *
+       * <pre>
+       * Page span of the block.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutPageSpan page_span = 5;
+       * </code>
+       */
+      @java.lang.Override
+      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+              .LayoutPageSpanOrBuilder
+          getPageSpanOrBuilder() {
+        return pageSpan_ == null
+            ? com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                .LayoutPageSpan.getDefaultInstance()
+            : pageSpan_;
       }
-      hash = (29 * hash) + getUnknownFields().hashCode();
-      memoizedHashCode = hash;
-      return hash;
-    }
 
-    public static com.google.cloud.documentai.v1.Document.DocumentLayout parseFrom(
-        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data);
-    }
+      public static final int BOUNDING_BOX_FIELD_NUMBER = 6;
+      private com.google.cloud.documentai.v1.BoundingPoly boundingBox_;
 
-    public static com.google.cloud.documentai.v1.Document.DocumentLayout parseFrom(
-        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data, extensionRegistry);
-    }
+      /**
+       *
+       *
+       * <pre>
+       * Identifies the bounding box for the block.
+       * </pre>
+       *
+       * <code>.google.cloud.documentai.v1.BoundingPoly bounding_box = 6;</code>
+       *
+       * @return Whether the boundingBox field is set.
+       */
+      @java.lang.Override
+      public boolean hasBoundingBox() {
+        return ((bitField0_ & 0x00000002) != 0);
+      }
 
-    public static com.google.cloud.documentai.v1.Document.DocumentLayout parseFrom(
-        com.google.protobuf.ByteString data)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data);
-    }
+      /**
+       *
+       *
+       * <pre>
+       * Identifies the bounding box for the block.
+       * </pre>
+       *
+       * <code>.google.cloud.documentai.v1.BoundingPoly bounding_box = 6;</code>
+       *
+       * @return The boundingBox.
+       */
+      @java.lang.Override
+      public com.google.cloud.documentai.v1.BoundingPoly getBoundingBox() {
+        return boundingBox_ == null
+            ? com.google.cloud.documentai.v1.BoundingPoly.getDefaultInstance()
+            : boundingBox_;
+      }
 
-    public static com.google.cloud.documentai.v1.Document.DocumentLayout parseFrom(
-        com.google.protobuf.ByteString data,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data, extensionRegistry);
-    }
+      /**
+       *
+       *
+       * <pre>
+       * Identifies the bounding box for the block.
+       * </pre>
+       *
+       * <code>.google.cloud.documentai.v1.BoundingPoly bounding_box = 6;</code>
+       */
+      @java.lang.Override
+      public com.google.cloud.documentai.v1.BoundingPolyOrBuilder getBoundingBoxOrBuilder() {
+        return boundingBox_ == null
+            ? com.google.cloud.documentai.v1.BoundingPoly.getDefaultInstance()
+            : boundingBox_;
+      }
 
-    public static com.google.cloud.documentai.v1.Document.DocumentLayout parseFrom(byte[] data)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data);
-    }
+      private byte memoizedIsInitialized = -1;
 
-    public static com.google.cloud.documentai.v1.Document.DocumentLayout parseFrom(
-        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data, extensionRegistry);
-    }
+      @java.lang.Override
+      public final boolean isInitialized() {
+        byte isInitialized = memoizedIsInitialized;
+        if (isInitialized == 1) return true;
+        if (isInitialized == 0) return false;
 
-    public static com.google.cloud.documentai.v1.Document.DocumentLayout parseFrom(
-        java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
-    }
+        memoizedIsInitialized = 1;
+        return true;
+      }
 
-    public static com.google.cloud.documentai.v1.Document.DocumentLayout parseFrom(
-        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessage.parseWithIOException(
-          PARSER, input, extensionRegistry);
-    }
+      @java.lang.Override
+      public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+        if (!com.google.protobuf.GeneratedMessage.isStringEmpty(blockId_)) {
+          com.google.protobuf.GeneratedMessage.writeString(output, 1, blockId_);
+        }
+        if (blockCase_ == 2) {
+          output.writeMessage(
+              2,
+              (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                      .LayoutTextBlock)
+                  block_);
+        }
+        if (blockCase_ == 3) {
+          output.writeMessage(
+              3,
+              (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                      .LayoutTableBlock)
+                  block_);
+        }
+        if (blockCase_ == 4) {
+          output.writeMessage(
+              4,
+              (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                      .LayoutListBlock)
+                  block_);
+        }
+        if (((bitField0_ & 0x00000001) != 0)) {
+          output.writeMessage(5, getPageSpan());
+        }
+        if (((bitField0_ & 0x00000002) != 0)) {
+          output.writeMessage(6, getBoundingBox());
+        }
+        if (blockCase_ == 7) {
+          output.writeMessage(
+              7,
+              (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                      .LayoutImageBlock)
+                  block_);
+        }
+        getUnknownFields().writeTo(output);
+      }
 
-    public static com.google.cloud.documentai.v1.Document.DocumentLayout parseDelimitedFrom(
-        java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
-    }
+      @java.lang.Override
+      public int getSerializedSize() {
+        int size = memoizedSize;
+        if (size != -1) return size;
 
-    public static com.google.cloud.documentai.v1.Document.DocumentLayout parseDelimitedFrom(
-        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
-          PARSER, input, extensionRegistry);
-    }
+        size = 0;
+        if (!com.google.protobuf.GeneratedMessage.isStringEmpty(blockId_)) {
+          size += com.google.protobuf.GeneratedMessage.computeStringSize(1, blockId_);
+        }
+        if (blockCase_ == 2) {
+          size +=
+              com.google.protobuf.CodedOutputStream.computeMessageSize(
+                  2,
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+        }
+        if (blockCase_ == 3) {
+          size +=
+              com.google.protobuf.CodedOutputStream.computeMessageSize(
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+        }
+        if (blockCase_ == 4) {
+          size +=
+              com.google.protobuf.CodedOutputStream.computeMessageSize(
+                  4,
+                  (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
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+                      block_);
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+        if (((bitField0_ & 0x00000001) != 0)) {
+          size += com.google.protobuf.CodedOutputStream.computeMessageSize(5, getPageSpan());
+        }
+        if (((bitField0_ & 0x00000002) != 0)) {
+          size += com.google.protobuf.CodedOutputStream.computeMessageSize(6, getBoundingBox());
+        }
+        if (blockCase_ == 7) {
+          size +=
+              com.google.protobuf.CodedOutputStream.computeMessageSize(
+                  7,
+                  (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
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+        size += getUnknownFields().getSerializedSize();
+        memoizedSize = size;
+        return size;
+      }
 
-    public static com.google.cloud.documentai.v1.Document.DocumentLayout parseFrom(
-        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
-    }
+      @java.lang.Override
+      public boolean equals(final java.lang.Object obj) {
+        if (obj == this) {
+          return true;
+        }
+        if (!(obj
+            instanceof
+            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock)) {
+          return super.equals(obj);
+        }
+        com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock other =
+            (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock) obj;
 
-    public static com.google.cloud.documentai.v1.Document.DocumentLayout parseFrom(
-        com.google.protobuf.CodedInputStream input,
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-        throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessage.parseWithIOException(
-          PARSER, input, extensionRegistry);
-    }
+        if (!getBlockId().equals(other.getBlockId())) return false;
+        if (hasPageSpan() != other.hasPageSpan()) return false;
+        if (hasPageSpan()) {
+          if (!getPageSpan().equals(other.getPageSpan())) return false;
+        }
+        if (hasBoundingBox() != other.hasBoundingBox()) return false;
+        if (hasBoundingBox()) {
+          if (!getBoundingBox().equals(other.getBoundingBox())) return false;
+        }
+        if (!getBlockCase().equals(other.getBlockCase())) return false;
+        switch (blockCase_) {
+          case 2:
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+          case 3:
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+          case 4:
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+            break;
+          case 7:
+            if (!getImageBlock().equals(other.getImageBlock())) return false;
+            break;
+          case 0:
+          default:
+        }
+        if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+        return true;
+      }
 
-    @java.lang.Override
-    public Builder newBuilderForType() {
-      return newBuilder();
-    }
+      @java.lang.Override
+      public int hashCode() {
+        if (memoizedHashCode != 0) {
+          return memoizedHashCode;
+        }
+        int hash = 41;
+        hash = (19 * hash) + getDescriptor().hashCode();
+        hash = (37 * hash) + BLOCK_ID_FIELD_NUMBER;
+        hash = (53 * hash) + getBlockId().hashCode();
+        if (hasPageSpan()) {
+          hash = (37 * hash) + PAGE_SPAN_FIELD_NUMBER;
+          hash = (53 * hash) + getPageSpan().hashCode();
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-      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.Builder
-          getBlocksBuilder(int index) {
-        return internalGetBlocksFieldBuilder().getBuilder(index);
-      }
+        private void buildPartialOneofs(
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+          result.block_ = this.block_;
+          if (blockCase_ == 2 && textBlockBuilder_ != null) {
+            result.block_ = textBlockBuilder_.build();
+          }
+          if (blockCase_ == 3 && tableBlockBuilder_ != null) {
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+          if (blockCase_ == 7 && imageBlockBuilder_ != null) {
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-      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlockOrBuilder
-          getBlocksOrBuilder(int index) {
-        if (blocksBuilder_ == null) {
-          return blocks_.get(index);
-        } else {
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+        @java.lang.Override
+        public Builder mergeFrom(com.google.protobuf.Message other) {
+          if (other
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-        } else {
-          return java.util.Collections.unmodifiableList(blocks_);
+        public Builder mergeFrom(
+            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock other) {
+          if (other
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+            bitField0_ |= 0x00000010;
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+          if (other.hasPageSpan()) {
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+          switch (other.getBlockCase()) {
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+                break;
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+            case LIST_BLOCK:
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+                mergeListBlock(other.getListBlock());
+                break;
+              }
+            case IMAGE_BLOCK:
+              {
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+                break;
+              }
+            case BLOCK_NOT_SET:
+              {
+                break;
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+          }
+          this.mergeUnknownFields(other.getUnknownFields());
+          onChanged();
+          return this;
         }
-      }
 
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-        return internalGetBlocksFieldBuilder()
-            .addBuilder(
-                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
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-      }
+        @java.lang.Override
+        public final boolean isInitialized() {
+          return true;
+        }
 
-      /**
-       *
-       *
-       * <pre>
-       * List of blocks in the document.
-       * </pre>
-       *
-       * <code>
-       * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
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-      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.Builder
-          addBlocksBuilder(int index) {
-        return internalGetBlocksFieldBuilder()
-            .addBuilder(
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+        @java.lang.Override
+        public Builder mergeFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+          if (extensionRegistry == null) {
+            throw new java.lang.NullPointerException();
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+            while (!done) {
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+              switch (tag) {
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+                  break;
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+                    bitField0_ |= 0x00000010;
+                    break;
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+                case 18:
+                  {
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+                        internalGetTextBlockFieldBuilder().getBuilder(), extensionRegistry);
+                    blockCase_ = 2;
+                    break;
+                  } // case 18
+                case 26:
+                  {
+                    input.readMessage(
+                        internalGetTableBlockFieldBuilder().getBuilder(), extensionRegistry);
+                    blockCase_ = 3;
+                    break;
+                  } // case 26
+                case 34:
+                  {
+                    input.readMessage(
+                        internalGetListBlockFieldBuilder().getBuilder(), extensionRegistry);
+                    blockCase_ = 4;
+                    break;
+                  } // case 34
+                case 42:
+                  {
+                    input.readMessage(
+                        internalGetPageSpanFieldBuilder().getBuilder(), extensionRegistry);
+                    bitField0_ |= 0x00000020;
+                    break;
+                  } // case 42
+                case 50:
+                  {
+                    input.readMessage(
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+                    bitField0_ |= 0x00000040;
+                    break;
+                  } // case 50
+                case 58:
+                  {
+                    input.readMessage(
+                        internalGetImageBlockFieldBuilder().getBuilder(), extensionRegistry);
+                    blockCase_ = 7;
+                    break;
+                  } // case 58
+                default:
+                  {
+                    if (!super.parseUnknownField(input, extensionRegistry, tag)) {
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+                    }
+                    break;
+                  } // default:
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+            } // while (!done)
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.unwrapIOException();
+          } finally {
+            onChanged();
+          } // finally
+          return this;
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-      /**
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-       *
-       * <pre>
-       * List of blocks in the document.
-       * </pre>
-       *
-       * <code>
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-              com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.Builder>
-          getBlocksBuilderList() {
-        return internalGetBlocksFieldBuilder().getBuilderList();
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+        private int blockCase_ = 0;
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-                  blocks_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
-          blocks_ = null;
+        public BlockCase getBlockCase() {
+          return BlockCase.forNumber(blockCase_);
         }
-        return blocksBuilder_;
-      }
 
-      // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1.Document.DocumentLayout)
-    }
+        public Builder clearBlock() {
+          blockCase_ = 0;
+          block_ = null;
+          onChanged();
+          return this;
+        }
 
-    // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1.Document.DocumentLayout)
-    private static final com.google.cloud.documentai.v1.Document.DocumentLayout DEFAULT_INSTANCE;
+        private int bitField0_;
 
-    static {
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+                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
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+                com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                    .LayoutTextBlockOrBuilder>
+            textBlockBuilder_;
 
-    public static com.google.cloud.documentai.v1.Document.DocumentLayout getDefaultInstance() {
-      return DEFAULT_INSTANCE;
-    }
+        /**
+         *
+         *
+         * <pre>
+         * Block consisting of text content.
+         * </pre>
+         *
+         * <code>
+         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
+         * </code>
+         *
+         * @return Whether the textBlock field is set.
+         */
+        @java.lang.Override
+        public boolean hasTextBlock() {
+          return blockCase_ == 2;
+        }
 
-    private static final com.google.protobuf.Parser<DocumentLayout> PARSER =
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-          public DocumentLayout parsePartialFrom(
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-              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-              throws com.google.protobuf.InvalidProtocolBufferException {
-            Builder builder = newBuilder();
-            try {
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-            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
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-            } catch (com.google.protobuf.UninitializedMessageException e) {
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-                  .setUnfinishedMessage(builder.buildPartial());
-            } catch (java.io.IOException e) {
-              throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                  .setUnfinishedMessage(builder.buildPartial());
+        /**
+         *
+         *
+         * <pre>
+         * Block consisting of text content.
+         * </pre>
+         *
+         * <code>
+         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
+         * </code>
+         *
+         * @return The textBlock.
+         */
+        @java.lang.Override
+        public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                .LayoutTextBlock
+            getTextBlock() {
+          if (textBlockBuilder_ == null) {
+            if (blockCase_ == 2) {
+              return (com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                      .LayoutTextBlock)
+                  block_;
             }
-            return builder.buildPartial();
+            return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                .LayoutTextBlock.getDefaultInstance();
+          } else {
+            if (blockCase_ == 2) {
+              return textBlockBuilder_.getMessage();
+            }
+            return com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                .LayoutTextBlock.getDefaultInstance();
           }
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+        }
 
-    public static com.google.protobuf.Parser<DocumentLayout> parser() {
-      return PARSER;
-    }
+        /**
+         *
+         *
+         * <pre>
+         * Block consisting of text content.
+         * </pre>
+         *
+         * <code>
+         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
+         * </code>
+         */
+        public Builder setTextBlock(
+            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                    .LayoutTextBlock
+                value) {
+          if (textBlockBuilder_ == null) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            block_ = value;
+            onChanged();
+          } else {
+            textBlockBuilder_.setMessage(value);
+          }
+          blockCase_ = 2;
+          return this;
+        }
 
-    @java.lang.Override
-    public com.google.protobuf.Parser<DocumentLayout> getParserForType() {
-      return PARSER;
-    }
+        /**
+         *
+         *
+         * <pre>
+         * Block consisting of text content.
+         * </pre>
+         *
+         * <code>
+         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
+         * </code>
+         */
+        public Builder setTextBlock(
+            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                    .LayoutTextBlock.Builder
+                builderForValue) {
+          if (textBlockBuilder_ == null) {
+            block_ = builderForValue.build();
+            onChanged();
+          } else {
+            textBlockBuilder_.setMessage(builderForValue.build());
+          }
+          blockCase_ = 2;
+          return this;
+        }
 
-    @java.lang.Override
-    public com.google.cloud.documentai.v1.Document.DocumentLayout getDefaultInstanceForType() {
-      return DEFAULT_INSTANCE;
-    }
-  }
+        /**
+         *
+         *
+         * <pre>
+         * Block consisting of text content.
+         * </pre>
+         *
+         * <code>
+         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
+         * </code>
+         */
+        public Builder mergeTextBlock(
+            com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                    .LayoutTextBlock
+                value) {
+          if (textBlockBuilder_ == null) {
+            if (blockCase_ == 2
+                && block_
+                    != com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                        .LayoutTextBlock.getDefaultInstance()) {
+              block_ =
+                  com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                      .LayoutTextBlock.newBuilder(
+                          (com.google.cloud.documentai.v1.Document.DocumentLayout
+                                  .DocumentLayoutBlock.LayoutTextBlock)
+                              block_)
+                      .mergeFrom(value)
+                      .buildPartial();
+            } else {
+              block_ = value;
+            }
+            onChanged();
+          } else {
+            if (blockCase_ == 2) {
+              textBlockBuilder_.mergeFrom(value);
+            } else {
+              textBlockBuilder_.setMessage(value);
+            }
+          }
+          blockCase_ = 2;
+          return this;
+        }
 
-  public interface ChunkedDocumentOrBuilder
-      extends
-      // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1.Document.ChunkedDocument)
-      com.google.protobuf.MessageOrBuilder {
+        /**
+         *
+         *
+         * <pre>
+         * Block consisting of text content.
+         * </pre>
+         *
+         * <code>
+         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
+         * </code>
+         */
+        public Builder clearTextBlock() {
+          if (textBlockBuilder_ == null) {
+            if (blockCase_ == 2) {
+              blockCase_ = 0;
+              block_ = null;
+              onChanged();
+            }
+          } else {
+            if (blockCase_ == 2) {
+              blockCase_ = 0;
+              block_ = null;
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+            textBlockBuilder_.clear();
+          }
+          return this;
+        }
 
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-     *
-     * <pre>
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-     * </pre>
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-     */
-    java.util.List<com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk> getChunksList();
+        /**
+         *
+         *
+         * <pre>
+         * Block consisting of text content.
+         * </pre>
+         *
+         * <code>
+         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
+         * </code>
+         */
+        public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
+                .LayoutTextBlock.Builder
+            getTextBlockBuilder() {
+          return internalGetTextBlockFieldBuilder().getBuilder();
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-    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk getChunks(int index);
+        /**
+         *
+         *
+         * <pre>
+         * Block consisting of text content.
+         * </pre>
+         *
+         * <code>
+         * .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.LayoutTextBlock text_block = 2;
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+        @java.lang.Override
+        public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock
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+            getTextBlockOrBuilder() {
+          if ((blockCase_ == 2) && (textBlockBuilder_ != null)) {
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+         * Block consisting of image content.
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+        /**
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+         *
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+          bitField0_ = (bitField0_ & ~0x00000010);
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+        /**
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+      private java.util.List<
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+              com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock,
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+       *
+       * <pre>
+       * List of blocks in the document.
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+       *
+       * <code>
+       * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
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+      public java.util.List<
+              com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock>
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+        if (blocksBuilder_ == null) {
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-          com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter other =
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+      /**
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+       *
+       * <pre>
+       * List of blocks in the document.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
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+      public int getBlocksCount() {
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-          if (hasPageSpan() != other.hasPageSpan()) return false;
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+      /**
+       *
+       *
+       * <pre>
+       * List of blocks in the document.
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+       *
+       * <code>
+       * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
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+      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock getBlocks(
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+       * <pre>
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+       * </pre>
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+      public Builder setBlocks(
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+        if (blocksBuilder_ == null) {
+          if (value == null) {
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-          return PARSER.parseFrom(data);
+      /**
+       *
+       *
+       * <pre>
+       * List of blocks in the document.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
+       * </code>
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+      public Builder setBlocks(
+          int index,
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+        if (blocksBuilder_ == null) {
+          ensureBlocksIsMutable();
+          blocks_.set(index, builderForValue.build());
+          onChanged();
+        } else {
+          blocksBuilder_.setMessage(index, builderForValue.build());
         }
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-                java.nio.ByteBuffer data,
-                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-                throws com.google.protobuf.InvalidProtocolBufferException {
-          return PARSER.parseFrom(data, extensionRegistry);
+      /**
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+       *
+       * <pre>
+       * List of blocks in the document.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
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+      public Builder addBlocks(
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+        if (blocksBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureBlocksIsMutable();
+          blocks_.add(value);
+          onChanged();
+        } else {
+          blocksBuilder_.addMessage(value);
         }
+        return this;
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-        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter
-            parseFrom(com.google.protobuf.ByteString data)
-                throws com.google.protobuf.InvalidProtocolBufferException {
-          return PARSER.parseFrom(data);
+      /**
+       *
+       *
+       * <pre>
+       * List of blocks in the document.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
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+      public Builder addBlocks(
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+          com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock value) {
+        if (blocksBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
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+          ensureBlocksIsMutable();
+          blocks_.add(index, value);
+          onChanged();
+        } else {
+          blocksBuilder_.addMessage(index, value);
         }
+        return this;
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-        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter
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-                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-                throws com.google.protobuf.InvalidProtocolBufferException {
-          return PARSER.parseFrom(data, extensionRegistry);
+      /**
+       *
+       *
+       * <pre>
+       * List of blocks in the document.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
+       * </code>
+       */
+      public Builder addBlocks(
+          com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.Builder
+              builderForValue) {
+        if (blocksBuilder_ == null) {
+          ensureBlocksIsMutable();
+          blocks_.add(builderForValue.build());
+          onChanged();
+        } else {
+          blocksBuilder_.addMessage(builderForValue.build());
         }
+        return this;
+      }
 
-        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter
-            parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
-          return PARSER.parseFrom(data);
+      /**
+       *
+       *
+       * <pre>
+       * List of blocks in the document.
+       * </pre>
+       *
+       * <code>
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+      public Builder addBlocks(
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+          com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.Builder
+              builderForValue) {
+        if (blocksBuilder_ == null) {
+          ensureBlocksIsMutable();
+          blocks_.add(index, builderForValue.build());
+          onChanged();
+        } else {
+          blocksBuilder_.addMessage(index, builderForValue.build());
         }
+        return this;
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-        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter
-            parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-                throws com.google.protobuf.InvalidProtocolBufferException {
-          return PARSER.parseFrom(data, extensionRegistry);
+      /**
+       *
+       *
+       * <pre>
+       * List of blocks in the document.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
+       * </code>
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+      public Builder addAllBlocks(
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+        if (blocksBuilder_ == null) {
+          ensureBlocksIsMutable();
+          com.google.protobuf.AbstractMessageLite.Builder.addAll(values, blocks_);
+          onChanged();
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+          blocksBuilder_.addAllMessages(values);
         }
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-            parseFrom(java.io.InputStream input) throws java.io.IOException {
-          return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+      /**
+       *
+       *
+       * <pre>
+       * List of blocks in the document.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
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+      public Builder clearBlocks() {
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+          blocks_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000001);
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+          blocksBuilder_.clear();
         }
+        return this;
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-        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter
-            parseFrom(
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-                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-                throws java.io.IOException {
-          return com.google.protobuf.GeneratedMessage.parseWithIOException(
-              PARSER, input, extensionRegistry);
+      /**
+       *
+       *
+       * <pre>
+       * List of blocks in the document.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
+       * </code>
+       */
+      public Builder removeBlocks(int index) {
+        if (blocksBuilder_ == null) {
+          ensureBlocksIsMutable();
+          blocks_.remove(index);
+          onChanged();
+        } else {
+          blocksBuilder_.remove(index);
         }
+        return this;
+      }
 
-        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter
-            parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-          return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
-        }
+      /**
+       *
+       *
+       * <pre>
+       * List of blocks in the document.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
+       * </code>
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+      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.Builder
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+        return internalGetBlocksFieldBuilder().getBuilder(index);
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-        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter
-            parseDelimitedFrom(
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-                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-                throws java.io.IOException {
-          return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
-              PARSER, input, extensionRegistry);
+      /**
+       *
+       *
+       * <pre>
+       * List of blocks in the document.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
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+      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlockOrBuilder
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+        if (blocksBuilder_ == null) {
+          return blocks_.get(index);
+        } else {
+          return blocksBuilder_.getMessageOrBuilder(index);
         }
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-        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter
-            parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-          return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+      /**
+       *
+       *
+       * <pre>
+       * List of blocks in the document.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
+       * </code>
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+      public java.util.List<
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+        if (blocksBuilder_ != null) {
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         }
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-        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter
-            parseFrom(
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-                throws java.io.IOException {
-          return com.google.protobuf.GeneratedMessage.parseWithIOException(
-              PARSER, input, extensionRegistry);
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+      /**
+       *
+       *
+       * <pre>
+       * List of blocks in the document.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
+       * </code>
+       */
+      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.Builder
+          addBlocksBuilder() {
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+            .addBuilder(
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-        @java.lang.Override
-        public Builder newBuilderForType() {
-          return newBuilder();
-        }
+      /**
+       *
+       *
+       * <pre>
+       * List of blocks in the document.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
+       * </code>
+       */
+      public com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock.Builder
+          addBlocksBuilder(int index) {
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-        public static Builder newBuilder() {
-          return DEFAULT_INSTANCE.toBuilder();
-        }
+      /**
+       *
+       *
+       * <pre>
+       * List of blocks in the document.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock blocks = 1;
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+      private com.google.protobuf.RepeatedFieldBuilder<
+              com.google.cloud.documentai.v1.Document.DocumentLayout.DocumentLayoutBlock,
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-          return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
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-          Builder builder = new Builder(parent);
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-        return sourceBlockIds_.get(index);
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+      /**
+       *
+       *
+       * <pre>
+       * Unused.
+       * </pre>
+       *
+       * <code>repeated string source_block_ids = 2;</code>
+       *
+       * @param index The index of the element to return.
+       * @return The sourceBlockIds at the given index.
+       */
+      java.lang.String getSourceBlockIds(int index);
 
       /**
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+      com.google.protobuf.ByteString getSourceBlockIdsBytes(int index);
 
       /**
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-          content_ = s;
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+      java.lang.String getContent();
 
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        *
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-
-      public static final int PAGE_SPAN_FIELD_NUMBER = 4;
-      private com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan pageSpan_;
+      com.google.protobuf.ByteString getContentBytes();
 
       /**
        *
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       /**
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+      com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan getPageSpan();
 
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-      public static final int PAGE_HEADERS_FIELD_NUMBER = 5;
-
-      @SuppressWarnings("serial")
-      private java.util.List<
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-          pageHeaders_;
+      com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpanOrBuilder
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       /**
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-      public java.util.List<
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+      java.util.List<com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader>
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       /**
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       /**
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-      public static final int PAGE_FOOTERS_FIELD_NUMBER = 6;
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-      @SuppressWarnings("serial")
-      private java.util.List<
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+      /**
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        * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter page_footers = 6;
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-      @java.lang.Override
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+            bitField0_ |= 0x00000001;
+            onChanged();
+            return this;
+          }
+
+          private com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan
+              pageSpan_;
+          private com.google.protobuf.SingleFieldBuilder<
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan,
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan
+                      .Builder,
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                      .ChunkPageSpanOrBuilder>
+              pageSpanBuilder_;
+
+          /**
+           *
+           *
+           * <pre>
+           * Page span of the footer.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 2;
+           * </code>
+           *
+           * @return Whether the pageSpan field is set.
+           */
+          public boolean hasPageSpan() {
+            return ((bitField0_ & 0x00000002) != 0);
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Page span of the footer.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 2;
+           * </code>
+           *
+           * @return The pageSpan.
+           */
+          public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan
+              getPageSpan() {
+            if (pageSpanBuilder_ == null) {
+              return pageSpan_ == null
+                  ? com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan
+                      .getDefaultInstance()
+                  : pageSpan_;
+            } else {
+              return pageSpanBuilder_.getMessage();
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Page span of the footer.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 2;
+           * </code>
+           */
+          public Builder setPageSpan(
+              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan value) {
+            if (pageSpanBuilder_ == null) {
+              if (value == null) {
+                throw new NullPointerException();
+              }
+              pageSpan_ = value;
+            } else {
+              pageSpanBuilder_.setMessage(value);
+            }
+            bitField0_ |= 0x00000002;
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Page span of the footer.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 2;
+           * </code>
+           */
+          public Builder setPageSpan(
+              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan.Builder
+                  builderForValue) {
+            if (pageSpanBuilder_ == null) {
+              pageSpan_ = builderForValue.build();
+            } else {
+              pageSpanBuilder_.setMessage(builderForValue.build());
+            }
+            bitField0_ |= 0x00000002;
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Page span of the footer.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 2;
+           * </code>
+           */
+          public Builder mergePageSpan(
+              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan value) {
+            if (pageSpanBuilder_ == null) {
+              if (((bitField0_ & 0x00000002) != 0)
+                  && pageSpan_ != null
+                  && pageSpan_
+                      != com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan
+                          .getDefaultInstance()) {
+                getPageSpanBuilder().mergeFrom(value);
+              } else {
+                pageSpan_ = value;
+              }
+            } else {
+              pageSpanBuilder_.mergeFrom(value);
+            }
+            if (pageSpan_ != null) {
+              bitField0_ |= 0x00000002;
+              onChanged();
+            }
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Page span of the footer.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 2;
+           * </code>
+           */
+          public Builder clearPageSpan() {
+            bitField0_ = (bitField0_ & ~0x00000002);
+            pageSpan_ = null;
+            if (pageSpanBuilder_ != null) {
+              pageSpanBuilder_.dispose();
+              pageSpanBuilder_ = null;
+            }
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Page span of the footer.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 2;
+           * </code>
+           */
+          public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan.Builder
+              getPageSpanBuilder() {
+            bitField0_ |= 0x00000002;
+            onChanged();
+            return internalGetPageSpanFieldBuilder().getBuilder();
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Page span of the footer.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 2;
+           * </code>
+           */
+          public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                  .ChunkPageSpanOrBuilder
+              getPageSpanOrBuilder() {
+            if (pageSpanBuilder_ != null) {
+              return pageSpanBuilder_.getMessageOrBuilder();
+            } else {
+              return pageSpan_ == null
+                  ? com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan
+                      .getDefaultInstance()
+                  : pageSpan_;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Page span of the footer.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 2;
+           * </code>
+           */
+          private com.google.protobuf.SingleFieldBuilder<
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan,
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan
+                      .Builder,
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                      .ChunkPageSpanOrBuilder>
+              internalGetPageSpanFieldBuilder() {
+            if (pageSpanBuilder_ == null) {
+              pageSpanBuilder_ =
+                  new com.google.protobuf.SingleFieldBuilder<
+                      com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan,
+                      com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan
+                          .Builder,
+                      com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                          .ChunkPageSpanOrBuilder>(
+                      getPageSpan(), getParentForChildren(), isClean());
+              pageSpan_ = null;
+            }
+            return pageSpanBuilder_;
+          }
+
+          // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter)
+        }
+
+        // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter)
+        private static final com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                .ChunkPageFooter
+            DEFAULT_INSTANCE;
+
+        static {
+          DEFAULT_INSTANCE =
+              new com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter();
+        }
+
+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter
+            getDefaultInstance() {
+          return DEFAULT_INSTANCE;
+        }
+
+        private static final com.google.protobuf.Parser<ChunkPageFooter> PARSER =
+            new com.google.protobuf.AbstractParser<ChunkPageFooter>() {
+              @java.lang.Override
+              public ChunkPageFooter parsePartialFrom(
+                  com.google.protobuf.CodedInputStream input,
+                  com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                  throws com.google.protobuf.InvalidProtocolBufferException {
+                Builder builder = newBuilder();
+                try {
+                  builder.mergeFrom(input, extensionRegistry);
+                } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+                  throw e.setUnfinishedMessage(builder.buildPartial());
+                } catch (com.google.protobuf.UninitializedMessageException e) {
+                  throw e.asInvalidProtocolBufferException()
+                      .setUnfinishedMessage(builder.buildPartial());
+                } catch (java.io.IOException e) {
+                  throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                      .setUnfinishedMessage(builder.buildPartial());
+                }
+                return builder.buildPartial();
+              }
+            };
+
+        public static com.google.protobuf.Parser<ChunkPageFooter> parser() {
+          return PARSER;
+        }
+
+        @java.lang.Override
+        public com.google.protobuf.Parser<ChunkPageFooter> getParserForType() {
+          return PARSER;
+        }
+
+        @java.lang.Override
+        public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter
+            getDefaultInstanceForType() {
+          return DEFAULT_INSTANCE;
+        }
+      }
+
+      public interface ImageChunkFieldOrBuilder
+          extends
+          // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField)
+          com.google.protobuf.MessageOrBuilder {
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Asset id of the inline image. If set, find the image
+         * content in the blob_assets field.
+         * </pre>
+         *
+         * <code>string blob_asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return Whether the blobAssetId field is set.
+         */
+        boolean hasBlobAssetId();
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Asset id of the inline image. If set, find the image
+         * content in the blob_assets field.
+         * </pre>
+         *
+         * <code>string blob_asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The blobAssetId.
+         */
+        java.lang.String getBlobAssetId();
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Asset id of the inline image. If set, find the image
+         * content in the blob_assets field.
+         * </pre>
+         *
+         * <code>string blob_asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The bytes for blobAssetId.
+         */
+        com.google.protobuf.ByteString getBlobAssetIdBytes();
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Google Cloud Storage uri of the image.
+         * </pre>
+         *
+         * <code>string gcs_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return Whether the gcsUri field is set.
+         */
+        boolean hasGcsUri();
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Google Cloud Storage uri of the image.
+         * </pre>
+         *
+         * <code>string gcs_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The gcsUri.
+         */
+        java.lang.String getGcsUri();
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Google Cloud Storage uri of the image.
+         * </pre>
+         *
+         * <code>string gcs_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The bytes for gcsUri.
+         */
+        com.google.protobuf.ByteString getGcsUriBytes();
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Data uri of the image.
+         * It is composed of four parts: a prefix (data:), a MIME type
+         * indicating the type of data, an optional base64 token if
+         * non-textual, and the data itself:
+         * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+         * </pre>
+         *
+         * <code>string data_uri = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return Whether the dataUri field is set.
+         */
+        boolean hasDataUri();
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Data uri of the image.
+         * It is composed of four parts: a prefix (data:), a MIME type
+         * indicating the type of data, an optional base64 token if
+         * non-textual, and the data itself:
+         * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+         * </pre>
+         *
+         * <code>string data_uri = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The dataUri.
+         */
+        java.lang.String getDataUri();
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Data uri of the image.
+         * It is composed of four parts: a prefix (data:), a MIME type
+         * indicating the type of data, an optional base64 token if
+         * non-textual, and the data itself:
+         * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+         * </pre>
+         *
+         * <code>string data_uri = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The bytes for dataUri.
+         */
+        com.google.protobuf.ByteString getDataUriBytes();
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the image chunk field.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+         *
+         * @return Whether the annotations field is set.
+         */
+        boolean hasAnnotations();
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the image chunk field.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+         *
+         * @return The annotations.
+         */
+        com.google.cloud.documentai.v1.Document.Annotations getAnnotations();
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the image chunk field.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+         */
+        com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder getAnnotationsOrBuilder();
+
+        com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+                .ImageSourceCase
+            getImageSourceCase();
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The image chunk field in the chunk.
+       * </pre>
+       *
+       * Protobuf type {@code
+       * google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField}
+       */
+      public static final class ImageChunkField extends com.google.protobuf.GeneratedMessage
+          implements
+          // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField)
+          ImageChunkFieldOrBuilder {
+        private static final long serialVersionUID = 0L;
+
+        static {
+          com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+              com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+              /* major= */ 4,
+              /* minor= */ 33,
+              /* patch= */ 2,
+              /* suffix= */ "",
+              "ImageChunkField");
+        }
+
+        // Use ImageChunkField.newBuilder() to construct.
+        private ImageChunkField(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+          super(builder);
+        }
+
+        private ImageChunkField() {}
+
+        public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+          return com.google.cloud.documentai.v1.DocumentProto
+              .internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_ImageChunkField_descriptor;
+        }
+
+        @java.lang.Override
+        protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+            internalGetFieldAccessorTable() {
+          return com.google.cloud.documentai.v1.DocumentProto
+              .internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_ImageChunkField_fieldAccessorTable
+              .ensureFieldAccessorsInitialized(
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+                      .class,
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+                      .Builder.class);
+        }
+
+        private int bitField0_;
+        private int imageSourceCase_ = 0;
+
+        @SuppressWarnings("serial")
+        private java.lang.Object imageSource_;
+
+        public enum ImageSourceCase
+            implements
+                com.google.protobuf.Internal.EnumLite,
+                com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+          BLOB_ASSET_ID(1),
+          GCS_URI(2),
+          DATA_URI(3),
+          IMAGESOURCE_NOT_SET(0);
+          private final int value;
+
+          private ImageSourceCase(int value) {
+            this.value = value;
+          }
+
+          /**
+           * @param value The number of the enum to look for.
+           * @return The enum associated with the given number.
+           * @deprecated Use {@link #forNumber(int)} instead.
+           */
+          @java.lang.Deprecated
+          public static ImageSourceCase valueOf(int value) {
+            return forNumber(value);
+          }
+
+          public static ImageSourceCase forNumber(int value) {
+            switch (value) {
+              case 1:
+                return BLOB_ASSET_ID;
+              case 2:
+                return GCS_URI;
+              case 3:
+                return DATA_URI;
+              case 0:
+                return IMAGESOURCE_NOT_SET;
+              default:
+                return null;
+            }
+          }
+
+          public int getNumber() {
+            return this.value;
+          }
+        };
+
+        public ImageSourceCase getImageSourceCase() {
+          return ImageSourceCase.forNumber(imageSourceCase_);
+        }
+
+        public static final int BLOB_ASSET_ID_FIELD_NUMBER = 1;
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Asset id of the inline image. If set, find the image
+         * content in the blob_assets field.
+         * </pre>
+         *
+         * <code>string blob_asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return Whether the blobAssetId field is set.
+         */
+        public boolean hasBlobAssetId() {
+          return imageSourceCase_ == 1;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Asset id of the inline image. If set, find the image
+         * content in the blob_assets field.
+         * </pre>
+         *
+         * <code>string blob_asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The blobAssetId.
+         */
+        public java.lang.String getBlobAssetId() {
+          java.lang.Object ref = "";
+          if (imageSourceCase_ == 1) {
+            ref = imageSource_;
+          }
+          if (ref instanceof java.lang.String) {
+            return (java.lang.String) ref;
+          } else {
+            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+            java.lang.String s = bs.toStringUtf8();
+            if (imageSourceCase_ == 1) {
+              imageSource_ = s;
+            }
+            return s;
+          }
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Asset id of the inline image. If set, find the image
+         * content in the blob_assets field.
+         * </pre>
+         *
+         * <code>string blob_asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The bytes for blobAssetId.
+         */
+        public com.google.protobuf.ByteString getBlobAssetIdBytes() {
+          java.lang.Object ref = "";
+          if (imageSourceCase_ == 1) {
+            ref = imageSource_;
+          }
+          if (ref instanceof java.lang.String) {
+            com.google.protobuf.ByteString b =
+                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+            if (imageSourceCase_ == 1) {
+              imageSource_ = b;
+            }
+            return b;
+          } else {
+            return (com.google.protobuf.ByteString) ref;
+          }
+        }
+
+        public static final int GCS_URI_FIELD_NUMBER = 2;
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Google Cloud Storage uri of the image.
+         * </pre>
+         *
+         * <code>string gcs_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return Whether the gcsUri field is set.
+         */
+        public boolean hasGcsUri() {
+          return imageSourceCase_ == 2;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Google Cloud Storage uri of the image.
+         * </pre>
+         *
+         * <code>string gcs_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The gcsUri.
+         */
+        public java.lang.String getGcsUri() {
+          java.lang.Object ref = "";
+          if (imageSourceCase_ == 2) {
+            ref = imageSource_;
+          }
+          if (ref instanceof java.lang.String) {
+            return (java.lang.String) ref;
+          } else {
+            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+            java.lang.String s = bs.toStringUtf8();
+            if (imageSourceCase_ == 2) {
+              imageSource_ = s;
+            }
+            return s;
+          }
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Google Cloud Storage uri of the image.
+         * </pre>
+         *
+         * <code>string gcs_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The bytes for gcsUri.
+         */
+        public com.google.protobuf.ByteString getGcsUriBytes() {
+          java.lang.Object ref = "";
+          if (imageSourceCase_ == 2) {
+            ref = imageSource_;
+          }
+          if (ref instanceof java.lang.String) {
+            com.google.protobuf.ByteString b =
+                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+            if (imageSourceCase_ == 2) {
+              imageSource_ = b;
+            }
+            return b;
+          } else {
+            return (com.google.protobuf.ByteString) ref;
+          }
+        }
+
+        public static final int DATA_URI_FIELD_NUMBER = 3;
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Data uri of the image.
+         * It is composed of four parts: a prefix (data:), a MIME type
+         * indicating the type of data, an optional base64 token if
+         * non-textual, and the data itself:
+         * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+         * </pre>
+         *
+         * <code>string data_uri = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return Whether the dataUri field is set.
+         */
+        public boolean hasDataUri() {
+          return imageSourceCase_ == 3;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Optional. Data uri of the image.
+         * It is composed of four parts: a prefix (data:), a MIME type
+         * indicating the type of data, an optional base64 token if
+         * non-textual, and the data itself:
+         * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+         * </pre>
+         *
+         * <code>string data_uri = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The dataUri.
+         */
+        public java.lang.String getDataUri() {
+          java.lang.Object ref = "";
+          if (imageSourceCase_ == 3) {
+            ref = imageSource_;
+          }
+          if (ref instanceof java.lang.String) {
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+            if (imageSourceCase_ == 3) {
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+            return s;
+          }
+        }
+
+        /**
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+         *
+         * <pre>
+         * Optional. Data uri of the image.
+         * It is composed of four parts: a prefix (data:), a MIME type
+         * indicating the type of data, an optional base64 token if
+         * non-textual, and the data itself:
+         * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+         * </pre>
+         *
+         * <code>string data_uri = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+         *
+         * @return The bytes for dataUri.
+         */
+        public com.google.protobuf.ByteString getDataUriBytes() {
+          java.lang.Object ref = "";
+          if (imageSourceCase_ == 3) {
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+          }
+          if (ref instanceof java.lang.String) {
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+            if (imageSourceCase_ == 3) {
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+            return b;
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+          }
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+        private com.google.cloud.documentai.v1.Document.Annotations annotations_;
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the image chunk field.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+         *
+         * @return Whether the annotations field is set.
+         */
+        @java.lang.Override
+        public boolean hasAnnotations() {
+          return ((bitField0_ & 0x00000001) != 0);
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the image chunk field.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+         *
+         * @return The annotations.
+         */
+        @java.lang.Override
+        public com.google.cloud.documentai.v1.Document.Annotations getAnnotations() {
+          return annotations_ == null
+              ? com.google.cloud.documentai.v1.Document.Annotations.getDefaultInstance()
+              : annotations_;
+        }
+
+        /**
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+         *
+         * <pre>
+         * Annotation of the image chunk field.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+         */
+        @java.lang.Override
+        public com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder
+            getAnnotationsOrBuilder() {
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+              ? com.google.cloud.documentai.v1.Document.Annotations.getDefaultInstance()
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+        }
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+        private byte memoizedIsInitialized = -1;
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+        @java.lang.Override
+        public final boolean isInitialized() {
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+          if (isInitialized == 1) return true;
+          if (isInitialized == 0) return false;
+
+          memoizedIsInitialized = 1;
+          return true;
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+        public void writeTo(com.google.protobuf.CodedOutputStream output)
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+            com.google.protobuf.GeneratedMessage.writeString(output, 1, imageSource_);
+          }
+          if (imageSourceCase_ == 2) {
+            com.google.protobuf.GeneratedMessage.writeString(output, 2, imageSource_);
+          }
+          if (imageSourceCase_ == 3) {
+            com.google.protobuf.GeneratedMessage.writeString(output, 3, imageSource_);
+          }
+          if (((bitField0_ & 0x00000001) != 0)) {
+            output.writeMessage(4, getAnnotations());
+          }
+          getUnknownFields().writeTo(output);
+        }
+
+        @java.lang.Override
+        public int getSerializedSize() {
+          int size = memoizedSize;
+          if (size != -1) return size;
+
+          size = 0;
+          if (imageSourceCase_ == 1) {
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+          }
+          if (imageSourceCase_ == 2) {
+            size += com.google.protobuf.GeneratedMessage.computeStringSize(2, imageSource_);
+          }
+          if (imageSourceCase_ == 3) {
+            size += com.google.protobuf.GeneratedMessage.computeStringSize(3, imageSource_);
+          }
+          if (((bitField0_ & 0x00000001) != 0)) {
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+          }
+          size += getUnknownFields().getSerializedSize();
+          memoizedSize = size;
+          return size;
+        }
+
+        @java.lang.Override
+        public boolean equals(final java.lang.Object obj) {
+          if (obj == this) {
+            return true;
+          }
+          if (!(obj
+              instanceof
+              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField)) {
+            return super.equals(obj);
+          }
+          com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField other =
+              (com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField) obj;
+
+          if (hasAnnotations() != other.hasAnnotations()) return false;
+          if (hasAnnotations()) {
+            if (!getAnnotations().equals(other.getAnnotations())) return false;
+          }
+          if (!getImageSourceCase().equals(other.getImageSourceCase())) return false;
+          switch (imageSourceCase_) {
+            case 1:
+              if (!getBlobAssetId().equals(other.getBlobAssetId())) return false;
+              break;
+            case 2:
+              if (!getGcsUri().equals(other.getGcsUri())) return false;
+              break;
+            case 3:
+              if (!getDataUri().equals(other.getDataUri())) return false;
+              break;
+            case 0:
+            default:
+          }
+          if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+          return true;
+        }
+
+        @java.lang.Override
+        public int hashCode() {
+          if (memoizedHashCode != 0) {
+            return memoizedHashCode;
+          }
+          int hash = 41;
+          hash = (19 * hash) + getDescriptor().hashCode();
+          if (hasAnnotations()) {
+            hash = (37 * hash) + ANNOTATIONS_FIELD_NUMBER;
+            hash = (53 * hash) + getAnnotations().hashCode();
+          }
+          switch (imageSourceCase_) {
+            case 1:
+              hash = (37 * hash) + BLOB_ASSET_ID_FIELD_NUMBER;
+              hash = (53 * hash) + getBlobAssetId().hashCode();
+              break;
+            case 2:
+              hash = (37 * hash) + GCS_URI_FIELD_NUMBER;
+              hash = (53 * hash) + getGcsUri().hashCode();
+              break;
+            case 3:
+              hash = (37 * hash) + DATA_URI_FIELD_NUMBER;
+              hash = (53 * hash) + getDataUri().hashCode();
+              break;
+            case 0:
+            default:
+          }
+          hash = (29 * hash) + getUnknownFields().hashCode();
+          memoizedHashCode = hash;
+          return hash;
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+
+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+            parseFrom(java.nio.ByteBuffer data)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+          return PARSER.parseFrom(data);
+        }
+
+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+            parseFrom(
+                java.nio.ByteBuffer data,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+          return PARSER.parseFrom(data, extensionRegistry);
+        }
+
+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+            parseFrom(com.google.protobuf.ByteString data)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+          return PARSER.parseFrom(data);
+        }
+
+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+            parseFrom(
+                com.google.protobuf.ByteString data,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+          return PARSER.parseFrom(data, extensionRegistry);
+        }
+
+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+            parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+          return PARSER.parseFrom(data);
+        }
+
+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+            parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+          return PARSER.parseFrom(data, extensionRegistry);
+        }
+
+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+            parseFrom(java.io.InputStream input) throws java.io.IOException {
+          return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+        }
+
+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+            parseFrom(
+                java.io.InputStream input,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws java.io.IOException {
+          return com.google.protobuf.GeneratedMessage.parseWithIOException(
+              PARSER, input, extensionRegistry);
+        }
+
+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+            parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+          return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+        }
+
+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+            parseDelimitedFrom(
+                java.io.InputStream input,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws java.io.IOException {
+          return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+              PARSER, input, extensionRegistry);
+        }
+
+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+            parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+          return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+        }
+
+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+            parseFrom(
+                com.google.protobuf.CodedInputStream input,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws java.io.IOException {
+          return com.google.protobuf.GeneratedMessage.parseWithIOException(
+              PARSER, input, extensionRegistry);
+        }
+
+        @java.lang.Override
+        public Builder newBuilderForType() {
+          return newBuilder();
+        }
+
+        public static Builder newBuilder() {
+          return DEFAULT_INSTANCE.toBuilder();
+        }
+
+        public static Builder newBuilder(
+            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+                prototype) {
+          return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+        }
+
+        @java.lang.Override
+        public Builder toBuilder() {
+          return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+        }
+
+        @java.lang.Override
+        protected Builder newBuilderForType(
+            com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+          Builder builder = new Builder(parent);
+          return builder;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * The image chunk field in the chunk.
+         * </pre>
+         *
+         * Protobuf type {@code
+         * google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField}
+         */
+        public static final class Builder
+            extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+            implements
+            // @@protoc_insertion_point(builder_implements:google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField)
+            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkFieldOrBuilder {
+          public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+            return com.google.cloud.documentai.v1.DocumentProto
+                .internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_ImageChunkField_descriptor;
+          }
+
+          @java.lang.Override
+          protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+              internalGetFieldAccessorTable() {
+            return com.google.cloud.documentai.v1.DocumentProto
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+                .ensureFieldAccessorsInitialized(
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+                        .class,
+                    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+                        .Builder.class);
+          }
+
+          // Construct using
+          // com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField.newBuilder()
+          private Builder() {
+            maybeForceBuilderInitialization();
+          }
+
+          private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+            super(parent);
+            maybeForceBuilderInitialization();
+          }
+
+          private void maybeForceBuilderInitialization() {
+            if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+              internalGetAnnotationsFieldBuilder();
+            }
+          }
+
+          @java.lang.Override
+          public Builder clear() {
+            super.clear();
+            bitField0_ = 0;
+            annotations_ = null;
+            if (annotationsBuilder_ != null) {
+              annotationsBuilder_.dispose();
+              annotationsBuilder_ = null;
+            }
+            imageSourceCase_ = 0;
+            imageSource_ = null;
+            return this;
+          }
+
+          @java.lang.Override
+          public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+            return com.google.cloud.documentai.v1.DocumentProto
+                .internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_ImageChunkField_descriptor;
+          }
+
+          @java.lang.Override
+          public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+              getDefaultInstanceForType() {
+            return com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+                .getDefaultInstance();
+          }
+
+          @java.lang.Override
+          public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+              build() {
+            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField result =
+                buildPartial();
+            if (!result.isInitialized()) {
+              throw newUninitializedMessageException(result);
+            }
+            return result;
+          }
+
+          @java.lang.Override
+          public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+              buildPartial() {
+            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField result =
+                new com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField(
+                    this);
+            if (bitField0_ != 0) {
+              buildPartial0(result);
+            }
+            buildPartialOneofs(result);
+            onBuilt();
+            return result;
+          }
+
+          private void buildPartial0(
+              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+                  result) {
+            int from_bitField0_ = bitField0_;
+            int to_bitField0_ = 0;
+            if (((from_bitField0_ & 0x00000008) != 0)) {
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+              to_bitField0_ |= 0x00000001;
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+            result.bitField0_ |= to_bitField0_;
+          }
+
+          private void buildPartialOneofs(
+              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+                  result) {
+            result.imageSourceCase_ = imageSourceCase_;
+            result.imageSource_ = this.imageSource_;
+          }
+
+          @java.lang.Override
+          public Builder mergeFrom(com.google.protobuf.Message other) {
+            if (other
+                instanceof
+                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField) {
+              return mergeFrom(
+                  (com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField)
+                      other);
+            } else {
+              super.mergeFrom(other);
+              return this;
+            }
+          }
+
+          public Builder mergeFrom(
+              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField other) {
+            if (other
+                == com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+                    .getDefaultInstance()) return this;
+            if (other.hasAnnotations()) {
+              mergeAnnotations(other.getAnnotations());
+            }
+            switch (other.getImageSourceCase()) {
+              case BLOB_ASSET_ID:
+                {
+                  imageSourceCase_ = 1;
+                  imageSource_ = other.imageSource_;
+                  onChanged();
+                  break;
+                }
+              case GCS_URI:
+                {
+                  imageSourceCase_ = 2;
+                  imageSource_ = other.imageSource_;
+                  onChanged();
+                  break;
+                }
+              case DATA_URI:
+                {
+                  imageSourceCase_ = 3;
+                  imageSource_ = other.imageSource_;
+                  onChanged();
+                  break;
+                }
+              case IMAGESOURCE_NOT_SET:
+                {
+                  break;
+                }
+            }
+            this.mergeUnknownFields(other.getUnknownFields());
+            onChanged();
+            return this;
+          }
+
+          @java.lang.Override
+          public final boolean isInitialized() {
+            return true;
+          }
+
+          @java.lang.Override
+          public Builder mergeFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws java.io.IOException {
+            if (extensionRegistry == null) {
+              throw new java.lang.NullPointerException();
+            }
+            try {
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+              while (!done) {
+                int tag = input.readTag();
+                switch (tag) {
+                  case 0:
+                    done = true;
+                    break;
+                  case 10:
+                    {
+                      java.lang.String s = input.readStringRequireUtf8();
+                      imageSourceCase_ = 1;
+                      imageSource_ = s;
+                      break;
+                    } // case 10
+                  case 18:
+                    {
+                      java.lang.String s = input.readStringRequireUtf8();
+                      imageSourceCase_ = 2;
+                      imageSource_ = s;
+                      break;
+                    } // case 18
+                  case 26:
+                    {
+                      java.lang.String s = input.readStringRequireUtf8();
+                      imageSourceCase_ = 3;
+                      imageSource_ = s;
+                      break;
+                    } // case 26
+                  case 34:
+                    {
+                      input.readMessage(
+                          internalGetAnnotationsFieldBuilder().getBuilder(), extensionRegistry);
+                      bitField0_ |= 0x00000008;
+                      break;
+                    } // case 34
+                  default:
+                    {
+                      if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                        done = true; // was an endgroup tag
+                      }
+                      break;
+                    } // default:
+                } // switch (tag)
+              } // while (!done)
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.unwrapIOException();
+            } finally {
+              onChanged();
+            } // finally
+            return this;
+          }
+
+          private int imageSourceCase_ = 0;
+          private java.lang.Object imageSource_;
+
+          public ImageSourceCase getImageSourceCase() {
+            return ImageSourceCase.forNumber(imageSourceCase_);
+          }
+
+          public Builder clearImageSource() {
+            imageSourceCase_ = 0;
+            imageSource_ = null;
+            onChanged();
+            return this;
+          }
+
+          private int bitField0_;
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Asset id of the inline image. If set, find the image
+           * content in the blob_assets field.
+           * </pre>
+           *
+           * <code>string blob_asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return Whether the blobAssetId field is set.
+           */
+          @java.lang.Override
+          public boolean hasBlobAssetId() {
+            return imageSourceCase_ == 1;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Asset id of the inline image. If set, find the image
+           * content in the blob_assets field.
+           * </pre>
+           *
+           * <code>string blob_asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return The blobAssetId.
+           */
+          @java.lang.Override
+          public java.lang.String getBlobAssetId() {
+            java.lang.Object ref = "";
+            if (imageSourceCase_ == 1) {
+              ref = imageSource_;
+            }
+            if (!(ref instanceof java.lang.String)) {
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+              java.lang.String s = bs.toStringUtf8();
+              if (imageSourceCase_ == 1) {
+                imageSource_ = s;
+              }
+              return s;
+            } else {
+              return (java.lang.String) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Asset id of the inline image. If set, find the image
+           * content in the blob_assets field.
+           * </pre>
+           *
+           * <code>string blob_asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return The bytes for blobAssetId.
+           */
+          @java.lang.Override
+          public com.google.protobuf.ByteString getBlobAssetIdBytes() {
+            java.lang.Object ref = "";
+            if (imageSourceCase_ == 1) {
+              ref = imageSource_;
+            }
+            if (ref instanceof String) {
+              com.google.protobuf.ByteString b =
+                  com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+              if (imageSourceCase_ == 1) {
+                imageSource_ = b;
+              }
+              return b;
+            } else {
+              return (com.google.protobuf.ByteString) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Asset id of the inline image. If set, find the image
+           * content in the blob_assets field.
+           * </pre>
+           *
+           * <code>string blob_asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @param value The blobAssetId to set.
+           * @return This builder for chaining.
+           */
+          public Builder setBlobAssetId(java.lang.String value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            imageSourceCase_ = 1;
+            imageSource_ = value;
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Asset id of the inline image. If set, find the image
+           * content in the blob_assets field.
+           * </pre>
+           *
+           * <code>string blob_asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return This builder for chaining.
+           */
+          public Builder clearBlobAssetId() {
+            if (imageSourceCase_ == 1) {
+              imageSourceCase_ = 0;
+              imageSource_ = null;
+              onChanged();
+            }
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Asset id of the inline image. If set, find the image
+           * content in the blob_assets field.
+           * </pre>
+           *
+           * <code>string blob_asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @param value The bytes for blobAssetId to set.
+           * @return This builder for chaining.
+           */
+          public Builder setBlobAssetIdBytes(com.google.protobuf.ByteString value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            checkByteStringIsUtf8(value);
+            imageSourceCase_ = 1;
+            imageSource_ = value;
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Google Cloud Storage uri of the image.
+           * </pre>
+           *
+           * <code>string gcs_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return Whether the gcsUri field is set.
+           */
+          @java.lang.Override
+          public boolean hasGcsUri() {
+            return imageSourceCase_ == 2;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Google Cloud Storage uri of the image.
+           * </pre>
+           *
+           * <code>string gcs_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return The gcsUri.
+           */
+          @java.lang.Override
+          public java.lang.String getGcsUri() {
+            java.lang.Object ref = "";
+            if (imageSourceCase_ == 2) {
+              ref = imageSource_;
+            }
+            if (!(ref instanceof java.lang.String)) {
+              com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+              java.lang.String s = bs.toStringUtf8();
+              if (imageSourceCase_ == 2) {
+                imageSource_ = s;
+              }
+              return s;
+            } else {
+              return (java.lang.String) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Google Cloud Storage uri of the image.
+           * </pre>
+           *
+           * <code>string gcs_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return The bytes for gcsUri.
+           */
+          @java.lang.Override
+          public com.google.protobuf.ByteString getGcsUriBytes() {
+            java.lang.Object ref = "";
+            if (imageSourceCase_ == 2) {
+              ref = imageSource_;
+            }
+            if (ref instanceof String) {
+              com.google.protobuf.ByteString b =
+                  com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+              if (imageSourceCase_ == 2) {
+                imageSource_ = b;
+              }
+              return b;
+            } else {
+              return (com.google.protobuf.ByteString) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Google Cloud Storage uri of the image.
+           * </pre>
+           *
+           * <code>string gcs_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @param value The gcsUri to set.
+           * @return This builder for chaining.
+           */
+          public Builder setGcsUri(java.lang.String value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            imageSourceCase_ = 2;
+            imageSource_ = value;
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Google Cloud Storage uri of the image.
+           * </pre>
+           *
+           * <code>string gcs_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return This builder for chaining.
+           */
+          public Builder clearGcsUri() {
+            if (imageSourceCase_ == 2) {
+              imageSourceCase_ = 0;
+              imageSource_ = null;
+              onChanged();
+            }
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Google Cloud Storage uri of the image.
+           * </pre>
+           *
+           * <code>string gcs_uri = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @param value The bytes for gcsUri to set.
+           * @return This builder for chaining.
+           */
+          public Builder setGcsUriBytes(com.google.protobuf.ByteString value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            checkByteStringIsUtf8(value);
+            imageSourceCase_ = 2;
+            imageSource_ = value;
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Data uri of the image.
+           * It is composed of four parts: a prefix (data:), a MIME type
+           * indicating the type of data, an optional base64 token if
+           * non-textual, and the data itself:
+           * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+           * </pre>
+           *
+           * <code>string data_uri = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return Whether the dataUri field is set.
+           */
+          @java.lang.Override
+          public boolean hasDataUri() {
+            return imageSourceCase_ == 3;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Data uri of the image.
+           * It is composed of four parts: a prefix (data:), a MIME type
+           * indicating the type of data, an optional base64 token if
+           * non-textual, and the data itself:
+           * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+           * </pre>
+           *
+           * <code>string data_uri = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return The dataUri.
+           */
+          @java.lang.Override
+          public java.lang.String getDataUri() {
+            java.lang.Object ref = "";
+            if (imageSourceCase_ == 3) {
+              ref = imageSource_;
+            }
+            if (!(ref instanceof java.lang.String)) {
+              com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+              java.lang.String s = bs.toStringUtf8();
+              if (imageSourceCase_ == 3) {
+                imageSource_ = s;
+              }
+              return s;
+            } else {
+              return (java.lang.String) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Data uri of the image.
+           * It is composed of four parts: a prefix (data:), a MIME type
+           * indicating the type of data, an optional base64 token if
+           * non-textual, and the data itself:
+           * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+           * </pre>
+           *
+           * <code>string data_uri = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return The bytes for dataUri.
+           */
+          @java.lang.Override
+          public com.google.protobuf.ByteString getDataUriBytes() {
+            java.lang.Object ref = "";
+            if (imageSourceCase_ == 3) {
+              ref = imageSource_;
+            }
+            if (ref instanceof String) {
+              com.google.protobuf.ByteString b =
+                  com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+              if (imageSourceCase_ == 3) {
+                imageSource_ = b;
+              }
+              return b;
+            } else {
+              return (com.google.protobuf.ByteString) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Data uri of the image.
+           * It is composed of four parts: a prefix (data:), a MIME type
+           * indicating the type of data, an optional base64 token if
+           * non-textual, and the data itself:
+           * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+           * </pre>
+           *
+           * <code>string data_uri = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @param value The dataUri to set.
+           * @return This builder for chaining.
+           */
+          public Builder setDataUri(java.lang.String value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            imageSourceCase_ = 3;
+            imageSource_ = value;
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Data uri of the image.
+           * It is composed of four parts: a prefix (data:), a MIME type
+           * indicating the type of data, an optional base64 token if
+           * non-textual, and the data itself:
+           * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+           * </pre>
+           *
+           * <code>string data_uri = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @return This builder for chaining.
+           */
+          public Builder clearDataUri() {
+            if (imageSourceCase_ == 3) {
+              imageSourceCase_ = 0;
+              imageSource_ = null;
+              onChanged();
+            }
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Optional. Data uri of the image.
+           * It is composed of four parts: a prefix (data:), a MIME type
+           * indicating the type of data, an optional base64 token if
+           * non-textual, and the data itself:
+           * data:[&lt;mediatype&gt;][;base64],&lt;data&gt;
+           * </pre>
+           *
+           * <code>string data_uri = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+           *
+           * @param value The bytes for dataUri to set.
+           * @return This builder for chaining.
+           */
+          public Builder setDataUriBytes(com.google.protobuf.ByteString value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            checkByteStringIsUtf8(value);
+            imageSourceCase_ = 3;
+            imageSource_ = value;
+            onChanged();
+            return this;
+          }
+
+          private com.google.cloud.documentai.v1.Document.Annotations annotations_;
+          private com.google.protobuf.SingleFieldBuilder<
+                  com.google.cloud.documentai.v1.Document.Annotations,
+                  com.google.cloud.documentai.v1.Document.Annotations.Builder,
+                  com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder>
+              annotationsBuilder_;
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the image chunk field.
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+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
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+           *
+           * <pre>
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+           *
+           *
+           * <pre>
+           * Annotation of the image chunk field.
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+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
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+          public Builder setAnnotations(com.google.cloud.documentai.v1.Document.Annotations value) {
+            if (annotationsBuilder_ == null) {
+              if (value == null) {
+                throw new NullPointerException();
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+              annotations_ = value;
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+            bitField0_ |= 0x00000008;
+            onChanged();
+            return this;
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+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the image chunk field.
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+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
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+          public Builder setAnnotations(
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+            if (annotationsBuilder_ == null) {
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+            } else {
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+           *
+           * <pre>
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+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
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+          public Builder mergeAnnotations(
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+            if (annotationsBuilder_ == null) {
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+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the image chunk field.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
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+          public Builder clearAnnotations() {
+            bitField0_ = (bitField0_ & ~0x00000008);
+            annotations_ = null;
+            if (annotationsBuilder_ != null) {
+              annotationsBuilder_.dispose();
+              annotationsBuilder_ = null;
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+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the image chunk field.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
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+            onChanged();
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+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the image chunk field.
+           * </pre>
+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
+           */
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+              getAnnotationsOrBuilder() {
+            if (annotationsBuilder_ != null) {
+              return annotationsBuilder_.getMessageOrBuilder();
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+          /**
+           *
+           *
+           * <pre>
+           * Annotation of the image chunk field.
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+           *
+           * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 4;</code>
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+          private com.google.protobuf.SingleFieldBuilder<
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+
+      public interface TableChunkFieldOrBuilder
+          extends
+          // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField)
+          com.google.protobuf.MessageOrBuilder {
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the table chunk field.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 1;</code>
+         *
+         * @return Whether the annotations field is set.
+         */
+        boolean hasAnnotations();
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the table chunk field.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 1;</code>
+         *
+         * @return The annotations.
+         */
+        com.google.cloud.documentai.v1.Document.Annotations getAnnotations();
+
+        /**
+         *
+         *
+         * <pre>
+         * Annotation of the table chunk field.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 1;</code>
+         */
+        com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder getAnnotationsOrBuilder();
+      }
+
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+       *
+       *
+       * <pre>
+       * The table chunk field in the chunk.
+       * </pre>
+       *
+       * Protobuf type {@code
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+      public static final class TableChunkField extends com.google.protobuf.GeneratedMessage
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+          TableChunkFieldOrBuilder {
+        private static final long serialVersionUID = 0L;
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+        public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
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+        /**
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+         * <pre>
+         * Annotation of the table chunk field.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 1;</code>
+         *
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+         *
+         * <pre>
+         * Annotation of the table chunk field.
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+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 1;</code>
+         *
+         * @return The annotations.
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+         *
+         *
+         * <pre>
+         * Annotation of the table chunk field.
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+         *
+         * <code>.google.cloud.documentai.v1.Document.Annotations annotations = 1;</code>
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+        @java.lang.Override
+        public com.google.cloud.documentai.v1.Document.AnnotationsOrBuilder
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+        @java.lang.Override
+        public boolean equals(final java.lang.Object obj) {
+          if (obj == this) {
+            return true;
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+          if (!(obj
+              instanceof
+              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField)) {
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+        private int fieldTypeCase_ = 0;
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+                com.google.protobuf.AbstractMessage.InternalOneOfEnum {
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+          TABLE_CHUNK_FIELD(2),
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+          /**
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+           * @return The enum associated with the given number.
+           * @deprecated Use {@link #forNumber(int)} instead.
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+          public static FieldTypeCase forNumber(int value) {
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+                return IMAGE_CHUNK_FIELD;
+              case 2:
+                return TABLE_CHUNK_FIELD;
+              case 0:
+                return FIELDTYPE_NOT_SET;
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+        public static final int IMAGE_CHUNK_FIELD_FIELD_NUMBER = 1;
+
+        /**
+         *
+         *
+         * <pre>
+         * The image chunk field in the chunk.
+         * </pre>
+         *
+         * <code>
+         * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField image_chunk_field = 1;
+         * </code>
+         *
+         * @return Whether the imageChunkField field is set.
+         */
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+         *
+         * <pre>
+         * The image chunk field in the chunk.
+         * </pre>
+         *
+         * <code>
+         * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField image_chunk_field = 1;
+         * </code>
+         *
+         * @return The imageChunkField.
+         */
+        @java.lang.Override
+        public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
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+        /**
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+         *
+         * <pre>
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+         * <code>
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+         * </code>
+         */
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+
+        /**
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+         *
+         * <pre>
+         * The table chunk field in the chunk.
+         * </pre>
+         *
+         * <code>
+         * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField table_chunk_field = 2;
+         * </code>
+         *
+         * @return Whether the tableChunkField field is set.
+         */
+        @java.lang.Override
+        public boolean hasTableChunkField() {
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+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * The table chunk field in the chunk.
+         * </pre>
+         *
+         * <code>
+         * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField table_chunk_field = 2;
+         * </code>
+         *
+         * @return The tableChunkField.
+         */
+        @java.lang.Override
+        public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField
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+          if (fieldTypeCase_ == 2) {
+            return (com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField)
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+          }
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+
+        /**
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+         *
+         * <pre>
+         * The table chunk field in the chunk.
+         * </pre>
+         *
+         * <code>
+         * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField table_chunk_field = 2;
+         * </code>
+         */
+        @java.lang.Override
+        public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                .TableChunkFieldOrBuilder
+            getTableChunkFieldOrBuilder() {
+          if (fieldTypeCase_ == 2) {
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+          if (!(obj
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+          if (!getFieldTypeCase().equals(other.getFieldTypeCase())) return false;
+          switch (fieldTypeCase_) {
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+              if (!getImageChunkField().equals(other.getImageChunkField())) return false;
+              break;
+            case 2:
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+              break;
+            case 0:
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+          if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+          return true;
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+        @java.lang.Override
+        public int hashCode() {
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+          int hash = 41;
+          hash = (19 * hash) + getDescriptor().hashCode();
+          switch (fieldTypeCase_) {
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+              break;
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+          return hash;
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+          return PARSER.parseFrom(data);
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+                java.nio.ByteBuffer data,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws com.google.protobuf.InvalidProtocolBufferException {
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+            parseFrom(com.google.protobuf.ByteString data)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+          return PARSER.parseFrom(data);
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+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField
+            parseFrom(
+                com.google.protobuf.ByteString data,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+          return PARSER.parseFrom(data, extensionRegistry);
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+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField
+            parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+          return PARSER.parseFrom(data);
+        }
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+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField
+            parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+          return PARSER.parseFrom(data, extensionRegistry);
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+          return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
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+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField
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+                java.io.InputStream input,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws java.io.IOException {
+          return com.google.protobuf.GeneratedMessage.parseWithIOException(
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+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField
+            parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+          return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
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+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField
+            parseDelimitedFrom(
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+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws java.io.IOException {
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+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField
+            parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+          return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+        }
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+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField
+            parseFrom(
+                com.google.protobuf.CodedInputStream input,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws java.io.IOException {
+          return com.google.protobuf.GeneratedMessage.parseWithIOException(
+              PARSER, input, extensionRegistry);
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+        @java.lang.Override
+        public Builder newBuilderForType() {
+          return newBuilder();
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+        public static Builder newBuilder() {
+          return DEFAULT_INSTANCE.toBuilder();
+        }
+
+        public static Builder newBuilder(
+            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField prototype) {
+          return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
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+
+        @java.lang.Override
+        public Builder toBuilder() {
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+        @java.lang.Override
+        protected Builder newBuilderForType(
+            com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+          Builder builder = new Builder(parent);
+          return builder;
+        }
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+        /**
+         *
+         *
+         * <pre>
+         * The chunk field in the chunk. A chunk field could be one of the various
+         * types (for example, image, table) supported.
+         * </pre>
+         *
+         * Protobuf type {@code
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+        public static final class Builder
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+            return com.google.cloud.documentai.v1.DocumentProto
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+          private Builder() {}
+
+          private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+            super(parent);
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+          public Builder clear() {
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+            bitField0_ = 0;
+            if (imageChunkFieldBuilder_ != null) {
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+            fieldType_ = null;
+            return this;
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+          @java.lang.Override
+          public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
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+                .internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_ChunkField_descriptor;
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+          @java.lang.Override
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+
+          @java.lang.Override
+          public Builder mergeFrom(
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+          public Builder clearFieldType() {
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+            onChanged();
+            return this;
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+
+          /**
+           *
+           *
+           * <pre>
+           * The image chunk field in the chunk.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField image_chunk_field = 1;
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+           *
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+           */
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+
+          /**
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+           *
+           * <pre>
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+          public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
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+          /**
+           *
+           *
+           * <pre>
+           * The image chunk field in the chunk.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField image_chunk_field = 1;
+           * </code>
+           */
+          public Builder setImageChunkField(
+              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField value) {
+            if (imageChunkFieldBuilder_ == null) {
+              if (value == null) {
+                throw new NullPointerException();
+              }
+              fieldType_ = value;
+              onChanged();
+            } else {
+              imageChunkFieldBuilder_.setMessage(value);
+            }
+            fieldTypeCase_ = 1;
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+          /**
+           *
+           *
+           * <pre>
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+           * </pre>
+           *
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+              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField.Builder
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+            } else {
+              imageChunkFieldBuilder_.setMessage(builderForValue.build());
+            }
+            fieldTypeCase_ = 1;
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * The image chunk field in the chunk.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField image_chunk_field = 1;
+           * </code>
+           */
+          public Builder mergeImageChunkField(
+              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField value) {
+            if (imageChunkFieldBuilder_ == null) {
+              if (fieldTypeCase_ == 1
+                  && fieldType_
+                      != com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                          .ImageChunkField.getDefaultInstance()) {
+                fieldType_ =
+                    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+                        .newBuilder(
+                            (com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                                    .ImageChunkField)
+                                fieldType_)
+                        .mergeFrom(value)
+                        .buildPartial();
+              } else {
+                fieldType_ = value;
+              }
+              onChanged();
+            } else {
+              if (fieldTypeCase_ == 1) {
+                imageChunkFieldBuilder_.mergeFrom(value);
+              } else {
+                imageChunkFieldBuilder_.setMessage(value);
+              }
+            }
+            fieldTypeCase_ = 1;
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * The image chunk field in the chunk.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField image_chunk_field = 1;
+           * </code>
+           */
+          public Builder clearImageChunkField() {
+            if (imageChunkFieldBuilder_ == null) {
+              if (fieldTypeCase_ == 1) {
+                fieldTypeCase_ = 0;
+                fieldType_ = null;
+                onChanged();
+              }
+            } else {
+              if (fieldTypeCase_ == 1) {
+                fieldTypeCase_ = 0;
+                fieldType_ = null;
+              }
+              imageChunkFieldBuilder_.clear();
+            }
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * The image chunk field in the chunk.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField image_chunk_field = 1;
+           * </code>
+           */
+          public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+                  .Builder
+              getImageChunkFieldBuilder() {
+            return internalGetImageChunkFieldFieldBuilder().getBuilder();
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * The image chunk field in the chunk.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField image_chunk_field = 1;
+           * </code>
+           */
+          @java.lang.Override
+          public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                  .ImageChunkFieldOrBuilder
+              getImageChunkFieldOrBuilder() {
+            if ((fieldTypeCase_ == 1) && (imageChunkFieldBuilder_ != null)) {
+              return imageChunkFieldBuilder_.getMessageOrBuilder();
+            } else {
+              if (fieldTypeCase_ == 1) {
+                return (com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                        .ImageChunkField)
+                    fieldType_;
+              }
+              return com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+                  .getDefaultInstance();
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * The image chunk field in the chunk.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField image_chunk_field = 1;
+           * </code>
+           */
+          private com.google.protobuf.SingleFieldBuilder<
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField,
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+                      .Builder,
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                      .ImageChunkFieldOrBuilder>
+              internalGetImageChunkFieldFieldBuilder() {
+            if (imageChunkFieldBuilder_ == null) {
+              if (!(fieldTypeCase_ == 1)) {
+                fieldType_ =
+                    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+                        .getDefaultInstance();
+              }
+              imageChunkFieldBuilder_ =
+                  new com.google.protobuf.SingleFieldBuilder<
+                      com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField,
+                      com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkField
+                          .Builder,
+                      com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                          .ImageChunkFieldOrBuilder>(
+                      (com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                              .ImageChunkField)
+                          fieldType_,
+                      getParentForChildren(),
+                      isClean());
+              fieldType_ = null;
+            }
+            fieldTypeCase_ = 1;
+            onChanged();
+            return imageChunkFieldBuilder_;
+          }
+
+          private com.google.protobuf.SingleFieldBuilder<
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField,
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField
+                      .Builder,
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                      .TableChunkFieldOrBuilder>
+              tableChunkFieldBuilder_;
+
+          /**
+           *
+           *
+           * <pre>
+           * The table chunk field in the chunk.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField table_chunk_field = 2;
+           * </code>
+           *
+           * @return Whether the tableChunkField field is set.
+           */
+          @java.lang.Override
+          public boolean hasTableChunkField() {
+            return fieldTypeCase_ == 2;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * The table chunk field in the chunk.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField table_chunk_field = 2;
+           * </code>
+           *
+           * @return The tableChunkField.
+           */
+          @java.lang.Override
+          public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField
+              getTableChunkField() {
+            if (tableChunkFieldBuilder_ == null) {
+              if (fieldTypeCase_ == 2) {
+                return (com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                        .TableChunkField)
+                    fieldType_;
+              }
+              return com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField
+                  .getDefaultInstance();
+            } else {
+              if (fieldTypeCase_ == 2) {
+                return tableChunkFieldBuilder_.getMessage();
+              }
+              return com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField
+                  .getDefaultInstance();
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * The table chunk field in the chunk.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField table_chunk_field = 2;
+           * </code>
+           */
+          public Builder setTableChunkField(
+              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField value) {
+            if (tableChunkFieldBuilder_ == null) {
+              if (value == null) {
+                throw new NullPointerException();
+              }
+              fieldType_ = value;
+              onChanged();
+            } else {
+              tableChunkFieldBuilder_.setMessage(value);
+            }
+            fieldTypeCase_ = 2;
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * The table chunk field in the chunk.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField table_chunk_field = 2;
+           * </code>
+           */
+          public Builder setTableChunkField(
+              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField.Builder
+                  builderForValue) {
+            if (tableChunkFieldBuilder_ == null) {
+              fieldType_ = builderForValue.build();
+              onChanged();
+            } else {
+              tableChunkFieldBuilder_.setMessage(builderForValue.build());
+            }
+            fieldTypeCase_ = 2;
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * The table chunk field in the chunk.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField table_chunk_field = 2;
+           * </code>
+           */
+          public Builder mergeTableChunkField(
+              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField value) {
+            if (tableChunkFieldBuilder_ == null) {
+              if (fieldTypeCase_ == 2
+                  && fieldType_
+                      != com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                          .TableChunkField.getDefaultInstance()) {
+                fieldType_ =
+                    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField
+                        .newBuilder(
+                            (com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                                    .TableChunkField)
+                                fieldType_)
+                        .mergeFrom(value)
+                        .buildPartial();
+              } else {
+                fieldType_ = value;
+              }
+              onChanged();
+            } else {
+              if (fieldTypeCase_ == 2) {
+                tableChunkFieldBuilder_.mergeFrom(value);
+              } else {
+                tableChunkFieldBuilder_.setMessage(value);
+              }
+            }
+            fieldTypeCase_ = 2;
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * The table chunk field in the chunk.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField table_chunk_field = 2;
+           * </code>
+           */
+          public Builder clearTableChunkField() {
+            if (tableChunkFieldBuilder_ == null) {
+              if (fieldTypeCase_ == 2) {
+                fieldTypeCase_ = 0;
+                fieldType_ = null;
+                onChanged();
+              }
+            } else {
+              if (fieldTypeCase_ == 2) {
+                fieldTypeCase_ = 0;
+                fieldType_ = null;
+              }
+              tableChunkFieldBuilder_.clear();
+            }
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * The table chunk field in the chunk.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField table_chunk_field = 2;
+           * </code>
+           */
+          public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField
+                  .Builder
+              getTableChunkFieldBuilder() {
+            return internalGetTableChunkFieldFieldBuilder().getBuilder();
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * The table chunk field in the chunk.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField table_chunk_field = 2;
+           * </code>
+           */
+          @java.lang.Override
+          public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                  .TableChunkFieldOrBuilder
+              getTableChunkFieldOrBuilder() {
+            if ((fieldTypeCase_ == 2) && (tableChunkFieldBuilder_ != null)) {
+              return tableChunkFieldBuilder_.getMessageOrBuilder();
+            } else {
+              if (fieldTypeCase_ == 2) {
+                return (com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                        .TableChunkField)
+                    fieldType_;
+              }
+              return com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField
+                  .getDefaultInstance();
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * The table chunk field in the chunk.
+           * </pre>
+           *
+           * <code>
+           * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField table_chunk_field = 2;
+           * </code>
+           */
+          private com.google.protobuf.SingleFieldBuilder<
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField,
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField
+                      .Builder,
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                      .TableChunkFieldOrBuilder>
+              internalGetTableChunkFieldFieldBuilder() {
+            if (tableChunkFieldBuilder_ == null) {
+              if (!(fieldTypeCase_ == 2)) {
+                fieldType_ =
+                    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField
+                        .getDefaultInstance();
+              }
+              tableChunkFieldBuilder_ =
+                  new com.google.protobuf.SingleFieldBuilder<
+                      com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField,
+                      com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.TableChunkField
+                          .Builder,
+                      com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                          .TableChunkFieldOrBuilder>(
+                      (com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                              .TableChunkField)
+                          fieldType_,
+                      getParentForChildren(),
+                      isClean());
+              fieldType_ = null;
+            }
+            fieldTypeCase_ = 2;
+            onChanged();
+            return tableChunkFieldBuilder_;
+          }
+
+          // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField)
+        }
+
+        // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField)
+        private static final com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                .ChunkField
+            DEFAULT_INSTANCE;
+
+        static {
+          DEFAULT_INSTANCE =
+              new com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField();
+        }
+
+        public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField
+            getDefaultInstance() {
+          return DEFAULT_INSTANCE;
+        }
+
+        private static final com.google.protobuf.Parser<ChunkField> PARSER =
+            new com.google.protobuf.AbstractParser<ChunkField>() {
+              @java.lang.Override
+              public ChunkField parsePartialFrom(
+                  com.google.protobuf.CodedInputStream input,
+                  com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                  throws com.google.protobuf.InvalidProtocolBufferException {
+                Builder builder = newBuilder();
+                try {
+                  builder.mergeFrom(input, extensionRegistry);
+                } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+                  throw e.setUnfinishedMessage(builder.buildPartial());
+                } catch (com.google.protobuf.UninitializedMessageException e) {
+                  throw e.asInvalidProtocolBufferException()
+                      .setUnfinishedMessage(builder.buildPartial());
+                } catch (java.io.IOException e) {
+                  throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                      .setUnfinishedMessage(builder.buildPartial());
+                }
+                return builder.buildPartial();
+              }
+            };
+
+        public static com.google.protobuf.Parser<ChunkField> parser() {
+          return PARSER;
+        }
+
+        @java.lang.Override
+        public com.google.protobuf.Parser<ChunkField> getParserForType() {
+          return PARSER;
+        }
+
+        @java.lang.Override
+        public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField
+            getDefaultInstanceForType() {
+          return DEFAULT_INSTANCE;
+        }
+      }
+
+      private int bitField0_;
+      public static final int CHUNK_ID_FIELD_NUMBER = 1;
+
+      @SuppressWarnings("serial")
+      private volatile java.lang.Object chunkId_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * ID of the chunk.
+       * </pre>
+       *
+       * <code>string chunk_id = 1;</code>
+       *
+       * @return The chunkId.
+       */
+      @java.lang.Override
+      public java.lang.String getChunkId() {
+        java.lang.Object ref = chunkId_;
+        if (ref instanceof java.lang.String) {
+          return (java.lang.String) ref;
+        } else {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          chunkId_ = s;
+          return s;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * ID of the chunk.
+       * </pre>
+       *
+       * <code>string chunk_id = 1;</code>
+       *
+       * @return The bytes for chunkId.
+       */
+      @java.lang.Override
+      public com.google.protobuf.ByteString getChunkIdBytes() {
+        java.lang.Object ref = chunkId_;
+        if (ref instanceof java.lang.String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          chunkId_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      public static final int SOURCE_BLOCK_IDS_FIELD_NUMBER = 2;
+
+      @SuppressWarnings("serial")
+      private com.google.protobuf.LazyStringArrayList sourceBlockIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+
+      /**
+       *
+       *
+       * <pre>
+       * Unused.
+       * </pre>
+       *
+       * <code>repeated string source_block_ids = 2;</code>
+       *
+       * @return A list containing the sourceBlockIds.
+       */
+      public com.google.protobuf.ProtocolStringList getSourceBlockIdsList() {
+        return sourceBlockIds_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Unused.
+       * </pre>
+       *
+       * <code>repeated string source_block_ids = 2;</code>
+       *
+       * @return The count of sourceBlockIds.
+       */
+      public int getSourceBlockIdsCount() {
+        return sourceBlockIds_.size();
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Unused.
+       * </pre>
+       *
+       * <code>repeated string source_block_ids = 2;</code>
+       *
+       * @param index The index of the element to return.
+       * @return The sourceBlockIds at the given index.
+       */
+      public java.lang.String getSourceBlockIds(int index) {
+        return sourceBlockIds_.get(index);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Unused.
+       * </pre>
+       *
+       * <code>repeated string source_block_ids = 2;</code>
+       *
+       * @param index The index of the value to return.
+       * @return The bytes of the sourceBlockIds at the given index.
+       */
+      public com.google.protobuf.ByteString getSourceBlockIdsBytes(int index) {
+        return sourceBlockIds_.getByteString(index);
+      }
+
+      public static final int CONTENT_FIELD_NUMBER = 3;
+
+      @SuppressWarnings("serial")
+      private volatile java.lang.Object content_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Text content of the chunk.
+       * </pre>
+       *
+       * <code>string content = 3;</code>
+       *
+       * @return The content.
+       */
+      @java.lang.Override
+      public java.lang.String getContent() {
+        java.lang.Object ref = content_;
+        if (ref instanceof java.lang.String) {
+          return (java.lang.String) ref;
+        } else {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          content_ = s;
+          return s;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Text content of the chunk.
+       * </pre>
+       *
+       * <code>string content = 3;</code>
+       *
+       * @return The bytes for content.
+       */
+      @java.lang.Override
+      public com.google.protobuf.ByteString getContentBytes() {
+        java.lang.Object ref = content_;
+        if (ref instanceof java.lang.String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          content_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      public static final int PAGE_SPAN_FIELD_NUMBER = 4;
+      private com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan pageSpan_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Page span of the chunk.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 4;
+       * </code>
+       *
+       * @return Whether the pageSpan field is set.
+       */
+      @java.lang.Override
+      public boolean hasPageSpan() {
+        return ((bitField0_ & 0x00000001) != 0);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Page span of the chunk.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 4;
+       * </code>
+       *
+       * @return The pageSpan.
+       */
+      @java.lang.Override
+      public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan
+          getPageSpan() {
+        return pageSpan_ == null
+            ? com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan
+                .getDefaultInstance()
+            : pageSpan_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Page span of the chunk.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 4;
+       * </code>
+       */
+      @java.lang.Override
+      public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpanOrBuilder
+          getPageSpanOrBuilder() {
+        return pageSpan_ == null
+            ? com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan
+                .getDefaultInstance()
+            : pageSpan_;
+      }
+
+      public static final int PAGE_HEADERS_FIELD_NUMBER = 5;
+
+      @SuppressWarnings("serial")
+      private java.util.List<
+              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader>
+          pageHeaders_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Page headers associated with the chunk.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader page_headers = 5;
+       * </code>
+       */
+      @java.lang.Override
+      public java.util.List<
+              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader>
+          getPageHeadersList() {
+        return pageHeaders_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Page headers associated with the chunk.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader page_headers = 5;
+       * </code>
+       */
+      @java.lang.Override
+      public java.util.List<
+              ? extends
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                      .ChunkPageHeaderOrBuilder>
+          getPageHeadersOrBuilderList() {
+        return pageHeaders_;
+      }
+
+      /**
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-        public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk buildPartial() {
-          com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk result =
-              new com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk(this);
-          buildPartialRepeatedFields(result);
-          if (bitField0_ != 0) {
-            buildPartial0(result);
+        /**
+         *
+         *
+         * <pre>
+         * Page headers associated with the chunk.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader page_headers = 5;
+         * </code>
+         */
+        public java.util.List<
+                ? extends
+                    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                        .ChunkPageHeaderOrBuilder>
+            getPageHeadersOrBuilderList() {
+          if (pageHeadersBuilder_ != null) {
+            return pageHeadersBuilder_.getMessageOrBuilderList();
+          } else {
+            return java.util.Collections.unmodifiableList(pageHeaders_);
           }
-          onBuilt();
-          return result;
         }
 
-        private void buildPartialRepeatedFields(
-            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk result) {
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-            }
-            result.pageFooters_ = pageFooters_;
-          } else {
-            result.pageFooters_ = pageFootersBuilder_.build();
-          }
+        /**
+         *
+         *
+         * <pre>
+         * Page headers associated with the chunk.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader page_headers = 5;
+         * </code>
+         */
+        public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader.Builder
+            addPageHeadersBuilder() {
+          return internalGetPageHeadersFieldBuilder()
+              .addBuilder(
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader
+                      .getDefaultInstance());
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-        private void buildPartial0(
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-          int from_bitField0_ = bitField0_;
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-          int to_bitField0_ = 0;
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-            to_bitField0_ |= 0x00000001;
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-          result.bitField0_ |= to_bitField0_;
+        /**
+         *
+         *
+         * <pre>
+         * Page headers associated with the chunk.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader page_headers = 5;
+         * </code>
+         */
+        public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader.Builder
+            addPageHeadersBuilder(int index) {
+          return internalGetPageHeadersFieldBuilder()
+              .addBuilder(
+                  index,
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader
+                      .getDefaultInstance());
         }
 
-        @java.lang.Override
-        public Builder mergeFrom(com.google.protobuf.Message other) {
-          if (other instanceof com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk) {
-            return mergeFrom((com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk) other);
-          } else {
-            super.mergeFrom(other);
-            return this;
-          }
+        /**
+         *
+         *
+         * <pre>
+         * Page headers associated with the chunk.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader page_headers = 5;
+         * </code>
+         */
+        public java.util.List<
+                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader
+                    .Builder>
+            getPageHeadersBuilderList() {
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         }
 
-        public Builder mergeFrom(
-            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk other) {
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-            bitField0_ |= 0x00000004;
-            onChanged();
-          }
-          if (other.hasPageSpan()) {
-            mergePageSpan(other.getPageSpan());
-          }
+        private com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader,
+                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader
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+                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                    .ChunkPageHeaderOrBuilder>
+            internalGetPageHeadersFieldBuilder() {
           if (pageHeadersBuilder_ == null) {
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-            if (!other.pageFooters_.isEmpty()) {
-              if (pageFootersBuilder_.isEmpty()) {
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-                pageFootersBuilder_ = null;
-                pageFooters_ = other.pageFooters_;
-                bitField0_ = (bitField0_ & ~0x00000020);
-                pageFootersBuilder_ =
-                    com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
-                        ? internalGetPageFootersFieldBuilder()
-                        : null;
-              } else {
-                pageFootersBuilder_.addAllMessages(other.pageFooters_);
-              }
-            }
+            pageHeadersBuilder_ =
+                new com.google.protobuf.RepeatedFieldBuilder<
+                    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader,
+                    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader
+                        .Builder,
+                    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                        .ChunkPageHeaderOrBuilder>(
+                    pageHeaders_,
+                    ((bitField0_ & 0x00000010) != 0),
+                    getParentForChildren(),
+                    isClean());
+            pageHeaders_ = null;
           }
-          this.mergeUnknownFields(other.getUnknownFields());
-          onChanged();
-          return this;
+          return pageHeadersBuilder_;
         }
 
-        @java.lang.Override
-        public final boolean isInitialized() {
-          return true;
-        }
+        private java.util.List<
+                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter>
+            pageFooters_ = java.util.Collections.emptyList();
 
-        @java.lang.Override
-        public Builder mergeFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws java.io.IOException {
-          if (extensionRegistry == null) {
-            throw new java.lang.NullPointerException();
+        private void ensurePageFootersIsMutable() {
+          if (!((bitField0_ & 0x00000020) != 0)) {
+            pageFooters_ =
+                new java.util.ArrayList<
+                    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter>(
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+            bitField0_ |= 0x00000020;
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-                                    .ChunkPageHeader.parser(),
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-                    if (pageHeadersBuilder_ == null) {
-                      ensurePageHeadersIsMutable();
-                      pageHeaders_.add(m);
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-                      pageHeadersBuilder_.addMessage(m);
-                    }
-                    break;
-                  } // case 42
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-                  {
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-                    if (pageFootersBuilder_ == null) {
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-                      pageFooters_.add(m);
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-          } finally {
-            onChanged();
-          } // finally
-          return this;
         }
 
-        private int bitField0_;
-
-        private java.lang.Object chunkId_ = "";
+        private com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter,
+                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter
+                    .Builder,
+                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                    .ChunkPageFooterOrBuilder>
+            pageFootersBuilder_;
 
         /**
          *
          *
          * <pre>
-         * ID of the chunk.
+         * Page footers associated with the chunk.
          * </pre>
          *
-         * <code>string chunk_id = 1;</code>
-         *
-         * @return The chunkId.
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter page_footers = 6;
+         * </code>
          */
-        public java.lang.String getChunkId() {
-          java.lang.Object ref = chunkId_;
-          if (!(ref instanceof java.lang.String)) {
-            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
-            java.lang.String s = bs.toStringUtf8();
-            chunkId_ = s;
-            return s;
+        public java.util.List<
+                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter>
+            getPageFootersList() {
+          if (pageFootersBuilder_ == null) {
+            return java.util.Collections.unmodifiableList(pageFooters_);
           } else {
-            return (java.lang.String) ref;
+            return pageFootersBuilder_.getMessageList();
           }
         }
 
@@ -82783,22 +92020,18 @@ public java.lang.String getChunkId() {
          *
          *
          * <pre>
-         * ID of the chunk.
+         * Page footers associated with the chunk.
          * </pre>
          *
-         * <code>string chunk_id = 1;</code>
-         *
-         * @return The bytes for chunkId.
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter page_footers = 6;
+         * </code>
          */
-        public com.google.protobuf.ByteString getChunkIdBytes() {
-          java.lang.Object ref = chunkId_;
-          if (ref instanceof String) {
-            com.google.protobuf.ByteString b =
-                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-            chunkId_ = b;
-            return b;
+        public int getPageFootersCount() {
+          if (pageFootersBuilder_ == null) {
+            return pageFooters_.size();
           } else {
-            return (com.google.protobuf.ByteString) ref;
+            return pageFootersBuilder_.getCount();
           }
         }
 
@@ -82806,39 +92039,46 @@ public com.google.protobuf.ByteString getChunkIdBytes() {
          *
          *
          * <pre>
-         * ID of the chunk.
+         * Page footers associated with the chunk.
          * </pre>
          *
-         * <code>string chunk_id = 1;</code>
-         *
-         * @param value The chunkId to set.
-         * @return This builder for chaining.
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter page_footers = 6;
+         * </code>
          */
-        public Builder setChunkId(java.lang.String value) {
-          if (value == null) {
-            throw new NullPointerException();
+        public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter
+            getPageFooters(int index) {
+          if (pageFootersBuilder_ == null) {
+            return pageFooters_.get(index);
+          } else {
+            return pageFootersBuilder_.getMessage(index);
           }
-          chunkId_ = value;
-          bitField0_ |= 0x00000001;
-          onChanged();
-          return this;
         }
 
         /**
          *
          *
          * <pre>
-         * ID of the chunk.
+         * Page footers associated with the chunk.
          * </pre>
          *
-         * <code>string chunk_id = 1;</code>
-         *
-         * @return This builder for chaining.
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter page_footers = 6;
+         * </code>
          */
-        public Builder clearChunkId() {
-          chunkId_ = getDefaultInstance().getChunkId();
-          bitField0_ = (bitField0_ & ~0x00000001);
-          onChanged();
+        public Builder setPageFooters(
+            int index,
+            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter value) {
+          if (pageFootersBuilder_ == null) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            ensurePageFootersIsMutable();
+            pageFooters_.set(index, value);
+            onChanged();
+          } else {
+            pageFootersBuilder_.setMessage(index, value);
+          }
           return this;
         }
 
@@ -82846,119 +92086,153 @@ public Builder clearChunkId() {
          *
          *
          * <pre>
-         * ID of the chunk.
+         * Page footers associated with the chunk.
          * </pre>
          *
-         * <code>string chunk_id = 1;</code>
-         *
-         * @param value The bytes for chunkId to set.
-         * @return This builder for chaining.
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter page_footers = 6;
+         * </code>
          */
-        public Builder setChunkIdBytes(com.google.protobuf.ByteString value) {
-          if (value == null) {
-            throw new NullPointerException();
+        public Builder setPageFooters(
+            int index,
+            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter.Builder
+                builderForValue) {
+          if (pageFootersBuilder_ == null) {
+            ensurePageFootersIsMutable();
+            pageFooters_.set(index, builderForValue.build());
+            onChanged();
+          } else {
+            pageFootersBuilder_.setMessage(index, builderForValue.build());
           }
-          checkByteStringIsUtf8(value);
-          chunkId_ = value;
-          bitField0_ |= 0x00000001;
-          onChanged();
           return this;
         }
 
-        private com.google.protobuf.LazyStringArrayList sourceBlockIds_ =
-            com.google.protobuf.LazyStringArrayList.emptyList();
-
-        private void ensureSourceBlockIdsIsMutable() {
-          if (!sourceBlockIds_.isModifiable()) {
-            sourceBlockIds_ = new com.google.protobuf.LazyStringArrayList(sourceBlockIds_);
-          }
-          bitField0_ |= 0x00000002;
-        }
-
         /**
          *
          *
          * <pre>
-         * Unused.
+         * Page footers associated with the chunk.
          * </pre>
          *
-         * <code>repeated string source_block_ids = 2;</code>
-         *
-         * @return A list containing the sourceBlockIds.
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter page_footers = 6;
+         * </code>
          */
-        public com.google.protobuf.ProtocolStringList getSourceBlockIdsList() {
-          sourceBlockIds_.makeImmutable();
-          return sourceBlockIds_;
+        public Builder addPageFooters(
+            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter value) {
+          if (pageFootersBuilder_ == null) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            ensurePageFootersIsMutable();
+            pageFooters_.add(value);
+            onChanged();
+          } else {
+            pageFootersBuilder_.addMessage(value);
+          }
+          return this;
         }
 
         /**
          *
          *
          * <pre>
-         * Unused.
+         * Page footers associated with the chunk.
          * </pre>
          *
-         * <code>repeated string source_block_ids = 2;</code>
-         *
-         * @return The count of sourceBlockIds.
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter page_footers = 6;
+         * </code>
          */
-        public int getSourceBlockIdsCount() {
-          return sourceBlockIds_.size();
+        public Builder addPageFooters(
+            int index,
+            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter value) {
+          if (pageFootersBuilder_ == null) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            ensurePageFootersIsMutable();
+            pageFooters_.add(index, value);
+            onChanged();
+          } else {
+            pageFootersBuilder_.addMessage(index, value);
+          }
+          return this;
         }
 
         /**
          *
          *
          * <pre>
-         * Unused.
+         * Page footers associated with the chunk.
          * </pre>
          *
-         * <code>repeated string source_block_ids = 2;</code>
-         *
-         * @param index The index of the element to return.
-         * @return The sourceBlockIds at the given index.
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter page_footers = 6;
+         * </code>
          */
-        public java.lang.String getSourceBlockIds(int index) {
-          return sourceBlockIds_.get(index);
+        public Builder addPageFooters(
+            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter.Builder
+                builderForValue) {
+          if (pageFootersBuilder_ == null) {
+            ensurePageFootersIsMutable();
+            pageFooters_.add(builderForValue.build());
+            onChanged();
+          } else {
+            pageFootersBuilder_.addMessage(builderForValue.build());
+          }
+          return this;
         }
 
         /**
          *
          *
          * <pre>
-         * Unused.
+         * Page footers associated with the chunk.
          * </pre>
          *
-         * <code>repeated string source_block_ids = 2;</code>
-         *
-         * @param index The index of the value to return.
-         * @return The bytes of the sourceBlockIds at the given index.
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter page_footers = 6;
+         * </code>
          */
-        public com.google.protobuf.ByteString getSourceBlockIdsBytes(int index) {
-          return sourceBlockIds_.getByteString(index);
+        public Builder addPageFooters(
+            int index,
+            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter.Builder
+                builderForValue) {
+          if (pageFootersBuilder_ == null) {
+            ensurePageFootersIsMutable();
+            pageFooters_.add(index, builderForValue.build());
+            onChanged();
+          } else {
+            pageFootersBuilder_.addMessage(index, builderForValue.build());
+          }
+          return this;
         }
 
         /**
          *
          *
          * <pre>
-         * Unused.
+         * Page footers associated with the chunk.
          * </pre>
          *
-         * <code>repeated string source_block_ids = 2;</code>
-         *
-         * @param index The index to set the value at.
-         * @param value The sourceBlockIds to set.
-         * @return This builder for chaining.
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter page_footers = 6;
+         * </code>
          */
-        public Builder setSourceBlockIds(int index, java.lang.String value) {
-          if (value == null) {
-            throw new NullPointerException();
+        public Builder addAllPageFooters(
+            java.lang.Iterable<
+                    ? extends
+                        com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                            .ChunkPageFooter>
+                values) {
+          if (pageFootersBuilder_ == null) {
+            ensurePageFootersIsMutable();
+            com.google.protobuf.AbstractMessageLite.Builder.addAll(values, pageFooters_);
+            onChanged();
+          } else {
+            pageFootersBuilder_.addAllMessages(values);
           }
-          ensureSourceBlockIdsIsMutable();
-          sourceBlockIds_.set(index, value);
-          bitField0_ |= 0x00000002;
-          onChanged();
           return this;
         }
 
@@ -82966,22 +92240,21 @@ public Builder setSourceBlockIds(int index, java.lang.String value) {
          *
          *
          * <pre>
-         * Unused.
+         * Page footers associated with the chunk.
          * </pre>
          *
-         * <code>repeated string source_block_ids = 2;</code>
-         *
-         * @param value The sourceBlockIds to add.
-         * @return This builder for chaining.
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter page_footers = 6;
+         * </code>
          */
-        public Builder addSourceBlockIds(java.lang.String value) {
-          if (value == null) {
-            throw new NullPointerException();
+        public Builder clearPageFooters() {
+          if (pageFootersBuilder_ == null) {
+            pageFooters_ = java.util.Collections.emptyList();
+            bitField0_ = (bitField0_ & ~0x00000020);
+            onChanged();
+          } else {
+            pageFootersBuilder_.clear();
           }
-          ensureSourceBlockIdsIsMutable();
-          sourceBlockIds_.add(value);
-          bitField0_ |= 0x00000002;
-          onChanged();
           return this;
         }
 
@@ -82989,19 +92262,21 @@ public Builder addSourceBlockIds(java.lang.String value) {
          *
          *
          * <pre>
-         * Unused.
+         * Page footers associated with the chunk.
          * </pre>
          *
-         * <code>repeated string source_block_ids = 2;</code>
-         *
-         * @param values The sourceBlockIds to add.
-         * @return This builder for chaining.
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter page_footers = 6;
+         * </code>
          */
-        public Builder addAllSourceBlockIds(java.lang.Iterable<java.lang.String> values) {
-          ensureSourceBlockIdsIsMutable();
-          com.google.protobuf.AbstractMessageLite.Builder.addAll(values, sourceBlockIds_);
-          bitField0_ |= 0x00000002;
-          onChanged();
+        public Builder removePageFooters(int index) {
+          if (pageFootersBuilder_ == null) {
+            ensurePageFootersIsMutable();
+            pageFooters_.remove(index);
+            onChanged();
+          } else {
+            pageFootersBuilder_.remove(index);
+          }
           return this;
         }
 
@@ -83009,67 +92284,59 @@ public Builder addAllSourceBlockIds(java.lang.Iterable<java.lang.String> values)
          *
          *
          * <pre>
-         * Unused.
+         * Page footers associated with the chunk.
          * </pre>
          *
-         * <code>repeated string source_block_ids = 2;</code>
-         *
-         * @return This builder for chaining.
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter page_footers = 6;
+         * </code>
          */
-        public Builder clearSourceBlockIds() {
-          sourceBlockIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-          bitField0_ = (bitField0_ & ~0x00000002);
-          ;
-          onChanged();
-          return this;
+        public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter.Builder
+            getPageFootersBuilder(int index) {
+          return internalGetPageFootersFieldBuilder().getBuilder(index);
         }
 
         /**
          *
          *
          * <pre>
-         * Unused.
+         * Page footers associated with the chunk.
          * </pre>
          *
-         * <code>repeated string source_block_ids = 2;</code>
-         *
-         * @param value The bytes of the sourceBlockIds to add.
-         * @return This builder for chaining.
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter page_footers = 6;
+         * </code>
          */
-        public Builder addSourceBlockIdsBytes(com.google.protobuf.ByteString value) {
-          if (value == null) {
-            throw new NullPointerException();
+        public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                .ChunkPageFooterOrBuilder
+            getPageFootersOrBuilder(int index) {
+          if (pageFootersBuilder_ == null) {
+            return pageFooters_.get(index);
+          } else {
+            return pageFootersBuilder_.getMessageOrBuilder(index);
           }
-          checkByteStringIsUtf8(value);
-          ensureSourceBlockIdsIsMutable();
-          sourceBlockIds_.add(value);
-          bitField0_ |= 0x00000002;
-          onChanged();
-          return this;
         }
 
-        private java.lang.Object content_ = "";
-
         /**
          *
          *
          * <pre>
-         * Text content of the chunk.
+         * Page footers associated with the chunk.
          * </pre>
          *
-         * <code>string content = 3;</code>
-         *
-         * @return The content.
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter page_footers = 6;
+         * </code>
          */
-        public java.lang.String getContent() {
-          java.lang.Object ref = content_;
-          if (!(ref instanceof java.lang.String)) {
-            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
-            java.lang.String s = bs.toStringUtf8();
-            content_ = s;
-            return s;
+        public java.util.List<
+                ? extends
+                    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                        .ChunkPageFooterOrBuilder>
+            getPageFootersOrBuilderList() {
+          if (pageFootersBuilder_ != null) {
+            return pageFootersBuilder_.getMessageOrBuilderList();
           } else {
-            return (java.lang.String) ref;
+            return java.util.Collections.unmodifiableList(pageFooters_);
           }
         }
 
@@ -83077,136 +92344,160 @@ public java.lang.String getContent() {
          *
          *
          * <pre>
-         * Text content of the chunk.
+         * Page footers associated with the chunk.
          * </pre>
          *
-         * <code>string content = 3;</code>
-         *
-         * @return The bytes for content.
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter page_footers = 6;
+         * </code>
          */
-        public com.google.protobuf.ByteString getContentBytes() {
-          java.lang.Object ref = content_;
-          if (ref instanceof String) {
-            com.google.protobuf.ByteString b =
-                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-            content_ = b;
-            return b;
-          } else {
-            return (com.google.protobuf.ByteString) ref;
-          }
+        public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter.Builder
+            addPageFootersBuilder() {
+          return internalGetPageFootersFieldBuilder()
+              .addBuilder(
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter
+                      .getDefaultInstance());
         }
 
         /**
          *
          *
          * <pre>
-         * Text content of the chunk.
+         * Page footers associated with the chunk.
          * </pre>
          *
-         * <code>string content = 3;</code>
-         *
-         * @param value The content to set.
-         * @return This builder for chaining.
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter page_footers = 6;
+         * </code>
          */
-        public Builder setContent(java.lang.String value) {
-          if (value == null) {
-            throw new NullPointerException();
-          }
-          content_ = value;
-          bitField0_ |= 0x00000004;
-          onChanged();
-          return this;
+        public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter.Builder
+            addPageFootersBuilder(int index) {
+          return internalGetPageFootersFieldBuilder()
+              .addBuilder(
+                  index,
+                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter
+                      .getDefaultInstance());
         }
 
         /**
          *
          *
          * <pre>
-         * Text content of the chunk.
+         * Page footers associated with the chunk.
          * </pre>
          *
-         * <code>string content = 3;</code>
-         *
-         * @return This builder for chaining.
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter page_footers = 6;
+         * </code>
          */
-        public Builder clearContent() {
-          content_ = getDefaultInstance().getContent();
-          bitField0_ = (bitField0_ & ~0x00000004);
-          onChanged();
-          return this;
+        public java.util.List<
+                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter
+                    .Builder>
+            getPageFootersBuilderList() {
+          return internalGetPageFootersFieldBuilder().getBuilderList();
+        }
+
+        private com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter,
+                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter
+                    .Builder,
+                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                    .ChunkPageFooterOrBuilder>
+            internalGetPageFootersFieldBuilder() {
+          if (pageFootersBuilder_ == null) {
+            pageFootersBuilder_ =
+                new com.google.protobuf.RepeatedFieldBuilder<
+                    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter,
+                    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageFooter
+                        .Builder,
+                    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
+                        .ChunkPageFooterOrBuilder>(
+                    pageFooters_,
+                    ((bitField0_ & 0x00000020) != 0),
+                    getParentForChildren(),
+                    isClean());
+            pageFooters_ = null;
+          }
+          return pageFootersBuilder_;
         }
 
+        private java.util.List<
+                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField>
+            chunkFields_ = java.util.Collections.emptyList();
+
+        private void ensureChunkFieldsIsMutable() {
+          if (!((bitField0_ & 0x00000040) != 0)) {
+            chunkFields_ =
+                new java.util.ArrayList<
+                    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField>(
+                    chunkFields_);
+            bitField0_ |= 0x00000040;
+          }
+        }
+
+        private com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField,
+                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField.Builder,
+                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkFieldOrBuilder>
+            chunkFieldsBuilder_;
+
         /**
          *
          *
          * <pre>
-         * Text content of the chunk.
+         * Chunk fields inside this chunk.
          * </pre>
          *
-         * <code>string content = 3;</code>
-         *
-         * @param value The bytes for content to set.
-         * @return This builder for chaining.
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField chunk_fields = 7;
+         * </code>
          */
-        public Builder setContentBytes(com.google.protobuf.ByteString value) {
-          if (value == null) {
-            throw new NullPointerException();
+        public java.util.List<
+                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField>
+            getChunkFieldsList() {
+          if (chunkFieldsBuilder_ == null) {
+            return java.util.Collections.unmodifiableList(chunkFields_);
+          } else {
+            return chunkFieldsBuilder_.getMessageList();
           }
-          checkByteStringIsUtf8(value);
-          content_ = value;
-          bitField0_ |= 0x00000004;
-          onChanged();
-          return this;
         }
 
-        private com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan
-            pageSpan_;
-        private com.google.protobuf.SingleFieldBuilder<
-                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan,
-                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan.Builder,
-                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
-                    .ChunkPageSpanOrBuilder>
-            pageSpanBuilder_;
-
         /**
          *
          *
          * <pre>
-         * Page span of the chunk.
+         * Chunk fields inside this chunk.
          * </pre>
          *
          * <code>
-         * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 4;
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField chunk_fields = 7;
          * </code>
-         *
-         * @return Whether the pageSpan field is set.
          */
-        public boolean hasPageSpan() {
-          return ((bitField0_ & 0x00000008) != 0);
+        public int getChunkFieldsCount() {
+          if (chunkFieldsBuilder_ == null) {
+            return chunkFields_.size();
+          } else {
+            return chunkFieldsBuilder_.getCount();
+          }
         }
 
         /**
          *
          *
          * <pre>
-         * Page span of the chunk.
+         * Chunk fields inside this chunk.
          * </pre>
          *
          * <code>
-         * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 4;
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField chunk_fields = 7;
          * </code>
-         *
-         * @return The pageSpan.
          */
-        public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan
-            getPageSpan() {
-          if (pageSpanBuilder_ == null) {
-            return pageSpan_ == null
-                ? com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan
-                    .getDefaultInstance()
-                : pageSpan_;
+        public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField
+            getChunkFields(int index) {
+          if (chunkFieldsBuilder_ == null) {
+            return chunkFields_.get(index);
           } else {
-            return pageSpanBuilder_.getMessage();
+            return chunkFieldsBuilder_.getMessage(index);
           }
         }
 
@@ -83214,25 +92505,26 @@ public boolean hasPageSpan() {
          *
          *
          * <pre>
-         * Page span of the chunk.
+         * Chunk fields inside this chunk.
          * </pre>
          *
          * <code>
-         * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 4;
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField chunk_fields = 7;
          * </code>
          */
-        public Builder setPageSpan(
-            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan value) {
-          if (pageSpanBuilder_ == null) {
+        public Builder setChunkFields(
+            int index,
+            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField value) {
+          if (chunkFieldsBuilder_ == null) {
             if (value == null) {
               throw new NullPointerException();
             }
-            pageSpan_ = value;
+            ensureChunkFieldsIsMutable();
+            chunkFields_.set(index, value);
+            onChanged();
           } else {
-            pageSpanBuilder_.setMessage(value);
+            chunkFieldsBuilder_.setMessage(index, value);
           }
-          bitField0_ |= 0x00000008;
-          onChanged();
           return this;
         }
 
@@ -83240,23 +92532,24 @@ public Builder setPageSpan(
          *
          *
          * <pre>
-         * Page span of the chunk.
+         * Chunk fields inside this chunk.
          * </pre>
          *
          * <code>
-         * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 4;
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField chunk_fields = 7;
          * </code>
          */
-        public Builder setPageSpan(
-            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan.Builder
+        public Builder setChunkFields(
+            int index,
+            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField.Builder
                 builderForValue) {
-          if (pageSpanBuilder_ == null) {
-            pageSpan_ = builderForValue.build();
+          if (chunkFieldsBuilder_ == null) {
+            ensureChunkFieldsIsMutable();
+            chunkFields_.set(index, builderForValue.build());
+            onChanged();
           } else {
-            pageSpanBuilder_.setMessage(builderForValue.build());
+            chunkFieldsBuilder_.setMessage(index, builderForValue.build());
           }
-          bitField0_ |= 0x00000008;
-          onChanged();
           return this;
         }
 
@@ -83264,31 +92557,24 @@ public Builder setPageSpan(
          *
          *
          * <pre>
-         * Page span of the chunk.
+         * Chunk fields inside this chunk.
          * </pre>
          *
          * <code>
-         * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 4;
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField chunk_fields = 7;
          * </code>
          */
-        public Builder mergePageSpan(
-            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan value) {
-          if (pageSpanBuilder_ == null) {
-            if (((bitField0_ & 0x00000008) != 0)
-                && pageSpan_ != null
-                && pageSpan_
-                    != com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan
-                        .getDefaultInstance()) {
-              getPageSpanBuilder().mergeFrom(value);
-            } else {
-              pageSpan_ = value;
+        public Builder addChunkFields(
+            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField value) {
+          if (chunkFieldsBuilder_ == null) {
+            if (value == null) {
+              throw new NullPointerException();
             }
-          } else {
-            pageSpanBuilder_.mergeFrom(value);
-          }
-          if (pageSpan_ != null) {
-            bitField0_ |= 0x00000008;
+            ensureChunkFieldsIsMutable();
+            chunkFields_.add(value);
             onChanged();
+          } else {
+            chunkFieldsBuilder_.addMessage(value);
           }
           return this;
         }
@@ -83297,21 +92583,50 @@ public Builder mergePageSpan(
          *
          *
          * <pre>
-         * Page span of the chunk.
+         * Chunk fields inside this chunk.
          * </pre>
          *
          * <code>
-         * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 4;
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField chunk_fields = 7;
          * </code>
          */
-        public Builder clearPageSpan() {
-          bitField0_ = (bitField0_ & ~0x00000008);
-          pageSpan_ = null;
-          if (pageSpanBuilder_ != null) {
-            pageSpanBuilder_.dispose();
-            pageSpanBuilder_ = null;
+        public Builder addChunkFields(
+            int index,
+            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField value) {
+          if (chunkFieldsBuilder_ == null) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            ensureChunkFieldsIsMutable();
+            chunkFields_.add(index, value);
+            onChanged();
+          } else {
+            chunkFieldsBuilder_.addMessage(index, value);
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Chunk fields inside this chunk.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField chunk_fields = 7;
+         * </code>
+         */
+        public Builder addChunkFields(
+            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField.Builder
+                builderForValue) {
+          if (chunkFieldsBuilder_ == null) {
+            ensureChunkFieldsIsMutable();
+            chunkFields_.add(builderForValue.build());
+            onChanged();
+          } else {
+            chunkFieldsBuilder_.addMessage(builderForValue.build());
           }
-          onChanged();
           return this;
         }
 
@@ -83319,152 +92634,130 @@ public Builder clearPageSpan() {
          *
          *
          * <pre>
-         * Page span of the chunk.
+         * Chunk fields inside this chunk.
          * </pre>
          *
          * <code>
-         * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 4;
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField chunk_fields = 7;
          * </code>
          */
-        public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan.Builder
-            getPageSpanBuilder() {
-          bitField0_ |= 0x00000008;
-          onChanged();
-          return internalGetPageSpanFieldBuilder().getBuilder();
+        public Builder addChunkFields(
+            int index,
+            com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField.Builder
+                builderForValue) {
+          if (chunkFieldsBuilder_ == null) {
+            ensureChunkFieldsIsMutable();
+            chunkFields_.add(index, builderForValue.build());
+            onChanged();
+          } else {
+            chunkFieldsBuilder_.addMessage(index, builderForValue.build());
+          }
+          return this;
         }
 
         /**
          *
          *
          * <pre>
-         * Page span of the chunk.
+         * Chunk fields inside this chunk.
          * </pre>
          *
          * <code>
-         * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 4;
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField chunk_fields = 7;
          * </code>
          */
-        public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpanOrBuilder
-            getPageSpanOrBuilder() {
-          if (pageSpanBuilder_ != null) {
-            return pageSpanBuilder_.getMessageOrBuilder();
+        public Builder addAllChunkFields(
+            java.lang.Iterable<
+                    ? extends
+                        com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField>
+                values) {
+          if (chunkFieldsBuilder_ == null) {
+            ensureChunkFieldsIsMutable();
+            com.google.protobuf.AbstractMessageLite.Builder.addAll(values, chunkFields_);
+            onChanged();
           } else {
-            return pageSpan_ == null
-                ? com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan
-                    .getDefaultInstance()
-                : pageSpan_;
+            chunkFieldsBuilder_.addAllMessages(values);
           }
+          return this;
         }
 
         /**
          *
          *
          * <pre>
-         * Page span of the chunk.
+         * Chunk fields inside this chunk.
          * </pre>
          *
          * <code>
-         * .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan page_span = 4;
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField chunk_fields = 7;
          * </code>
          */
-        private com.google.protobuf.SingleFieldBuilder<
-                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan,
-                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan.Builder,
-                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
-                    .ChunkPageSpanOrBuilder>
-            internalGetPageSpanFieldBuilder() {
-          if (pageSpanBuilder_ == null) {
-            pageSpanBuilder_ =
-                new com.google.protobuf.SingleFieldBuilder<
-                    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan,
-                    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageSpan
-                        .Builder,
-                    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
-                        .ChunkPageSpanOrBuilder>(getPageSpan(), getParentForChildren(), isClean());
-            pageSpan_ = null;
-          }
-          return pageSpanBuilder_;
-        }
-
-        private java.util.List<
-                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader>
-            pageHeaders_ = java.util.Collections.emptyList();
-
-        private void ensurePageHeadersIsMutable() {
-          if (!((bitField0_ & 0x00000010) != 0)) {
-            pageHeaders_ =
-                new java.util.ArrayList<
-                    com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader>(
-                    pageHeaders_);
-            bitField0_ |= 0x00000010;
+        public Builder clearChunkFields() {
+          if (chunkFieldsBuilder_ == null) {
+            chunkFields_ = java.util.Collections.emptyList();
+            bitField0_ = (bitField0_ & ~0x00000040);
+            onChanged();
+          } else {
+            chunkFieldsBuilder_.clear();
           }
+          return this;
         }
 
-        private com.google.protobuf.RepeatedFieldBuilder<
-                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader,
-                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader
-                    .Builder,
-                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
-                    .ChunkPageHeaderOrBuilder>
-            pageHeadersBuilder_;
-
         /**
          *
          *
          * <pre>
-         * Page headers associated with the chunk.
+         * Chunk fields inside this chunk.
          * </pre>
          *
          * <code>
-         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader page_headers = 5;
+         * repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkField chunk_fields = 7;
          * </code>
          */
-        public java.util.List<
-                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.ChunkPageHeader>
-            getPageHeadersList() {
-          if (pageHeadersBuilder_ == null) {
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+      private com.google.protobuf.RepeatedFieldBuilder<
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+              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.Builder,
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+       *
+       * <pre>
+       * List of chunks.
+       * </pre>
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+       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
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+      public java.util.List<com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk>
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+        if (chunksBuilder_ == null) {
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         }
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-        private com.google.protobuf.RepeatedFieldBuilder<
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-                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
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-            pageFootersBuilder_;
+      /**
+       *
+       *
+       * <pre>
+       * List of chunks.
+       * </pre>
+       *
+       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
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-            return pageFootersBuilder_.getMessageList();
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+      /**
+       *
+       *
+       * <pre>
+       * List of chunks.
+       * </pre>
+       *
+       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
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+      public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk getChunks(int index) {
+        if (chunksBuilder_ == null) {
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         }
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-          if (pageFootersBuilder_ == null) {
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+      /**
+       *
+       *
+       * <pre>
+       * List of chunks.
+       * </pre>
+       *
+       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
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+      public Builder setChunks(
+          int index, com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk value) {
+        if (chunksBuilder_ == null) {
+          if (value == null) {
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           }
+          ensureChunksIsMutable();
+          chunks_.set(index, value);
+          onChanged();
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         }
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-          if (pageFootersBuilder_ == null) {
-            return pageFooters_.get(index);
-          } else {
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+      /**
+       *
+       *
+       * <pre>
+       * List of chunks.
+       * </pre>
+       *
+       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
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+      public Builder setChunks(
+          int index,
+          com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.Builder builderForValue) {
+        if (chunksBuilder_ == null) {
+          ensureChunksIsMutable();
+          chunks_.set(index, builderForValue.build());
+          onChanged();
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         }
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-            ensurePageFootersIsMutable();
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-            pageFootersBuilder_.setMessage(index, value);
+      /**
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+       *
+       * <pre>
+       * List of chunks.
+       * </pre>
+       *
+       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
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+      public Builder addChunks(
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+        if (chunksBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
           }
-          return this;
+          ensureChunksIsMutable();
+          chunks_.add(value);
+          onChanged();
+        } else {
+          chunksBuilder_.addMessage(value);
         }
+        return this;
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+      /**
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+       *
+       * <pre>
+       * List of chunks.
+       * </pre>
+       *
+       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
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+      public Builder addChunks(
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+        if (chunksBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
           }
-          return this;
+          ensureChunksIsMutable();
+          chunks_.add(index, value);
+          onChanged();
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         }
+        return this;
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-            ensurePageFootersIsMutable();
-            pageFooters_.add(value);
-            onChanged();
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-            pageFootersBuilder_.addMessage(value);
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-          return this;
+      /**
+       *
+       *
+       * <pre>
+       * List of chunks.
+       * </pre>
+       *
+       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
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+      public Builder addChunks(
+          com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.Builder builderForValue) {
+        if (chunksBuilder_ == null) {
+          ensureChunksIsMutable();
+          chunks_.add(builderForValue.build());
+          onChanged();
+        } else {
+          chunksBuilder_.addMessage(builderForValue.build());
         }
+        return this;
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-            pageFooters_.add(index, value);
-            onChanged();
-          } else {
-            pageFootersBuilder_.addMessage(index, value);
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+      /**
+       *
+       *
+       * <pre>
+       * List of chunks.
+       * </pre>
+       *
+       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
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+       */
+      public Builder addChunks(
+          int index,
+          com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.Builder builderForValue) {
+        if (chunksBuilder_ == null) {
+          ensureChunksIsMutable();
+          chunks_.add(index, builderForValue.build());
+          onChanged();
+        } else {
+          chunksBuilder_.addMessage(index, builderForValue.build());
         }
+        return this;
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-        /**
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-            pageFooters_.add(builderForValue.build());
-            onChanged();
-          } else {
-            pageFootersBuilder_.addMessage(builderForValue.build());
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+      /**
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+       *
+       * <pre>
+       * List of chunks.
+       * </pre>
+       *
+       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
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+      public Builder addAllChunks(
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+        if (chunksBuilder_ == null) {
+          ensureChunksIsMutable();
+          com.google.protobuf.AbstractMessageLite.Builder.addAll(values, chunks_);
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+          chunksBuilder_.addAllMessages(values);
         }
+        return this;
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-            onChanged();
-          } else {
-            pageFootersBuilder_.addMessage(index, builderForValue.build());
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-          return this;
+      /**
+       *
+       *
+       * <pre>
+       * List of chunks.
+       * </pre>
+       *
+       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
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+       */
+      public Builder clearChunks() {
+        if (chunksBuilder_ == null) {
+          chunks_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000001);
+          onChanged();
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+          chunksBuilder_.clear();
         }
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-            onChanged();
-          } else {
-            pageFootersBuilder_.addAllMessages(values);
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-          return this;
+      /**
+       *
+       *
+       * <pre>
+       * List of chunks.
+       * </pre>
+       *
+       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
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+      public Builder removeChunks(int index) {
+        if (chunksBuilder_ == null) {
+          ensureChunksIsMutable();
+          chunks_.remove(index);
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-         *
-         * <pre>
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+     * </pre>
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-      // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1.Document.ChunkedDocument.Chunk)
-      private static final com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
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+     *
+     *
+     * <pre>
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+     *
+     * <code>string asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
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+     * @return The bytes for assetId.
+     */
+    com.google.protobuf.ByteString getAssetIdBytes();
 
-      static {
-        DEFAULT_INSTANCE = new com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk();
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+    /**
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+     *
+     * <pre>
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+     * </pre>
+     *
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+     *
+     * @return The content.
+     */
+    com.google.protobuf.ByteString getContent();
 
-      public static com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
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-      }
+    /**
+     *
+     *
+     * <pre>
+     * The mime type of the blob asset.
+     * An IANA published [media type (MIME
+     * type)](https://www.iana.org/assignments/media-types/media-types.xhtml).
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+     *
+     * <code>string mime_type = 3;</code>
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+     * @return The mimeType.
+     */
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-                throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                    .setUnfinishedMessage(builder.buildPartial());
-              }
-              return builder.buildPartial();
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+     *
+     *
+     * <pre>
+     * The mime type of the blob asset.
+     * An IANA published [media type (MIME
+     * type)](https://www.iana.org/assignments/media-types/media-types.xhtml).
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+   * by other fields in the document via asset ID.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.documentai.v1.Document.BlobAsset}
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+  public static final class BlobAsset extends com.google.protobuf.GeneratedMessage
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+      // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1.Document.BlobAsset)
+      BlobAssetOrBuilder {
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-      @java.lang.Override
-      public com.google.protobuf.Parser<Chunk> getParserForType() {
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+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
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-      @java.lang.Override
-      public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk
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-        return DEFAULT_INSTANCE;
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+    // Use BlobAsset.newBuilder() to construct.
+    private BlobAsset(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
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-    public static final int CHUNKS_FIELD_NUMBER = 1;
+    private BlobAsset() {
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+      content_ = com.google.protobuf.ByteString.EMPTY;
+      mimeType_ = "";
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+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
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+    @java.lang.Override
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+
+    public static final int ASSET_ID_FIELD_NUMBER = 1;
 
     @SuppressWarnings("serial")
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+    private volatile java.lang.Object assetId_ = "";
 
     /**
      *
      *
      * <pre>
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+     * Optional. The id of the blob asset.
      * </pre>
      *
-     * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;</code>
+     * <code>string asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The assetId.
      */
     @java.lang.Override
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+        java.lang.String s = bs.toStringUtf8();
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     /**
      *
      *
      * <pre>
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+     * Optional. The id of the blob asset.
      * </pre>
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-     * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;</code>
+     * <code>string asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for assetId.
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     @java.lang.Override
-    public java.util.List<
-            ? extends com.google.cloud.documentai.v1.Document.ChunkedDocument.ChunkOrBuilder>
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-      return chunks_;
+    public com.google.protobuf.ByteString getAssetIdBytes() {
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+      if (ref instanceof java.lang.String) {
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+        assetId_ = b;
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     /**
      *
      *
      * <pre>
-     * List of chunks.
+     * Optional. The content of the blob asset, for example, image bytes.
      * </pre>
      *
-     * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;</code>
+     * <code>bytes content = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
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+     * @return The content.
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     @java.lang.Override
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+    public com.google.protobuf.ByteString getContent() {
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+    public static final int MIME_TYPE_FIELD_NUMBER = 3;
+
+    @SuppressWarnings("serial")
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     /**
      *
      *
      * <pre>
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+     * The mime type of the blob asset.
+     * An IANA published [media type (MIME
+     * type)](https://www.iana.org/assignments/media-types/media-types.xhtml).
      * </pre>
      *
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+     * <code>string mime_type = 3;</code>
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      */
     @java.lang.Override
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-      return chunks_.get(index);
+    public java.lang.String getMimeType() {
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     /**
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      * <pre>
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+     * The mime type of the blob asset.
+     * An IANA published [media type (MIME
+     * type)](https://www.iana.org/assignments/media-types/media-types.xhtml).
      * </pre>
      *
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     @java.lang.Override
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-      return chunks_.get(index);
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@@ -84442,8 +94100,14 @@ public int getSerializedSize() {
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-      for (int i = 0; i < chunks_.size(); i++) {
-        size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, chunks_.get(i));
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(assetId_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, assetId_);
+      }
+      if (!content_.isEmpty()) {
+        size += com.google.protobuf.CodedOutputStream.computeBytesSize(2, content_);
+      }
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(mimeType_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(3, mimeType_);
       }
       size += getUnknownFields().getSerializedSize();
       memoizedSize = size;
@@ -84455,13 +94119,15 @@ public boolean equals(final java.lang.Object obj) {
       if (obj == this) {
         return true;
       }
-      if (!(obj instanceof com.google.cloud.documentai.v1.Document.ChunkedDocument)) {
+      if (!(obj instanceof com.google.cloud.documentai.v1.Document.BlobAsset)) {
         return super.equals(obj);
       }
-      com.google.cloud.documentai.v1.Document.ChunkedDocument other =
-          (com.google.cloud.documentai.v1.Document.ChunkedDocument) obj;
+      com.google.cloud.documentai.v1.Document.BlobAsset other =
+          (com.google.cloud.documentai.v1.Document.BlobAsset) obj;
 
-      if (!getChunksList().equals(other.getChunksList())) return false;
+      if (!getAssetId().equals(other.getAssetId())) return false;
+      if (!getContent().equals(other.getContent())) return false;
+      if (!getMimeType().equals(other.getMimeType())) return false;
       if (!getUnknownFields().equals(other.getUnknownFields())) return false;
       return true;
     }
@@ -84473,80 +94139,82 @@ public int hashCode() {
       }
       int hash = 41;
       hash = (19 * hash) + getDescriptor().hashCode();
-      if (getChunksCount() > 0) {
-        hash = (37 * hash) + CHUNKS_FIELD_NUMBER;
-        hash = (53 * hash) + getChunksList().hashCode();
-      }
+      hash = (37 * hash) + ASSET_ID_FIELD_NUMBER;
+      hash = (53 * hash) + getAssetId().hashCode();
+      hash = (37 * hash) + CONTENT_FIELD_NUMBER;
+      hash = (53 * hash) + getContent().hashCode();
+      hash = (37 * hash) + MIME_TYPE_FIELD_NUMBER;
+      hash = (53 * hash) + getMimeType().hashCode();
       hash = (29 * hash) + getUnknownFields().hashCode();
       memoizedHashCode = hash;
       return hash;
     }
 
-    public static com.google.cloud.documentai.v1.Document.ChunkedDocument parseFrom(
+    public static com.google.cloud.documentai.v1.Document.BlobAsset parseFrom(
         java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
 
-    public static com.google.cloud.documentai.v1.Document.ChunkedDocument parseFrom(
+    public static com.google.cloud.documentai.v1.Document.BlobAsset parseFrom(
         java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
 
-    public static com.google.cloud.documentai.v1.Document.ChunkedDocument parseFrom(
+    public static com.google.cloud.documentai.v1.Document.BlobAsset parseFrom(
         com.google.protobuf.ByteString data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
 
-    public static com.google.cloud.documentai.v1.Document.ChunkedDocument parseFrom(
+    public static com.google.cloud.documentai.v1.Document.BlobAsset parseFrom(
         com.google.protobuf.ByteString data,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
 
-    public static com.google.cloud.documentai.v1.Document.ChunkedDocument parseFrom(byte[] data)
+    public static com.google.cloud.documentai.v1.Document.BlobAsset parseFrom(byte[] data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
 
-    public static com.google.cloud.documentai.v1.Document.ChunkedDocument parseFrom(
+    public static com.google.cloud.documentai.v1.Document.BlobAsset parseFrom(
         byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
 
-    public static com.google.cloud.documentai.v1.Document.ChunkedDocument parseFrom(
+    public static com.google.cloud.documentai.v1.Document.BlobAsset parseFrom(
         java.io.InputStream input) throws java.io.IOException {
       return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
-    public static com.google.cloud.documentai.v1.Document.ChunkedDocument parseFrom(
+    public static com.google.cloud.documentai.v1.Document.BlobAsset parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
       return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
-    public static com.google.cloud.documentai.v1.Document.ChunkedDocument parseDelimitedFrom(
+    public static com.google.cloud.documentai.v1.Document.BlobAsset parseDelimitedFrom(
         java.io.InputStream input) throws java.io.IOException {
       return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
-    public static com.google.cloud.documentai.v1.Document.ChunkedDocument parseDelimitedFrom(
+    public static com.google.cloud.documentai.v1.Document.BlobAsset parseDelimitedFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
       return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
-    public static com.google.cloud.documentai.v1.Document.ChunkedDocument parseFrom(
+    public static com.google.cloud.documentai.v1.Document.BlobAsset parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
       return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
-    public static com.google.cloud.documentai.v1.Document.ChunkedDocument parseFrom(
+    public static com.google.cloud.documentai.v1.Document.BlobAsset parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
@@ -84563,8 +94231,7 @@ public static Builder newBuilder() {
       return DEFAULT_INSTANCE.toBuilder();
     }
 
-    public static Builder newBuilder(
-        com.google.cloud.documentai.v1.Document.ChunkedDocument prototype) {
+    public static Builder newBuilder(com.google.cloud.documentai.v1.Document.BlobAsset prototype) {
       return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
     }
 
@@ -84583,31 +94250,33 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.Builder
      *
      *
      * <pre>
-     * Represents the chunks that the document is divided into.
+     * Represents a blob asset. It's used to store the content of the inline blob
+     * in this document, for example, image bytes, such that it can be referenced
+     * by other fields in the document via asset ID.
      * </pre>
      *
-     * Protobuf type {@code google.cloud.documentai.v1.Document.ChunkedDocument}
+     * Protobuf type {@code google.cloud.documentai.v1.Document.BlobAsset}
      */
     public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
-        // @@protoc_insertion_point(builder_implements:google.cloud.documentai.v1.Document.ChunkedDocument)
-        com.google.cloud.documentai.v1.Document.ChunkedDocumentOrBuilder {
+        // @@protoc_insertion_point(builder_implements:google.cloud.documentai.v1.Document.BlobAsset)
+        com.google.cloud.documentai.v1.Document.BlobAssetOrBuilder {
       public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         return com.google.cloud.documentai.v1.DocumentProto
-            .internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_descriptor;
+            .internal_static_google_cloud_documentai_v1_Document_BlobAsset_descriptor;
       }
 
       @java.lang.Override
       protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.documentai.v1.DocumentProto
-            .internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_fieldAccessorTable
+            .internal_static_google_cloud_documentai_v1_Document_BlobAsset_fieldAccessorTable
             .ensureFieldAccessorsInitialized(
-                com.google.cloud.documentai.v1.Document.ChunkedDocument.class,
-                com.google.cloud.documentai.v1.Document.ChunkedDocument.Builder.class);
+                com.google.cloud.documentai.v1.Document.BlobAsset.class,
+                com.google.cloud.documentai.v1.Document.BlobAsset.Builder.class);
       }
 
-      // Construct using com.google.cloud.documentai.v1.Document.ChunkedDocument.newBuilder()
+      // Construct using com.google.cloud.documentai.v1.Document.BlobAsset.newBuilder()
       private Builder() {}
 
       private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
@@ -84618,30 +94287,26 @@ private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       public Builder clear() {
         super.clear();
         bitField0_ = 0;
-        if (chunksBuilder_ == null) {
-          chunks_ = java.util.Collections.emptyList();
-        } else {
-          chunks_ = null;
-          chunksBuilder_.clear();
-        }
-        bitField0_ = (bitField0_ & ~0x00000001);
+        assetId_ = "";
+        content_ = com.google.protobuf.ByteString.EMPTY;
+        mimeType_ = "";
         return this;
       }
 
       @java.lang.Override
       public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
         return com.google.cloud.documentai.v1.DocumentProto
-            .internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_descriptor;
+            .internal_static_google_cloud_documentai_v1_Document_BlobAsset_descriptor;
       }
 
       @java.lang.Override
-      public com.google.cloud.documentai.v1.Document.ChunkedDocument getDefaultInstanceForType() {
-        return com.google.cloud.documentai.v1.Document.ChunkedDocument.getDefaultInstance();
+      public com.google.cloud.documentai.v1.Document.BlobAsset getDefaultInstanceForType() {
+        return com.google.cloud.documentai.v1.Document.BlobAsset.getDefaultInstance();
       }
 
       @java.lang.Override
-      public com.google.cloud.documentai.v1.Document.ChunkedDocument build() {
-        com.google.cloud.documentai.v1.Document.ChunkedDocument result = buildPartial();
+      public com.google.cloud.documentai.v1.Document.BlobAsset build() {
+        com.google.cloud.documentai.v1.Document.BlobAsset result = buildPartial();
         if (!result.isInitialized()) {
           throw newUninitializedMessageException(result);
         }
@@ -84649,10 +94314,9 @@ public com.google.cloud.documentai.v1.Document.ChunkedDocument build() {
       }
 
       @java.lang.Override
-      public com.google.cloud.documentai.v1.Document.ChunkedDocument buildPartial() {
-        com.google.cloud.documentai.v1.Document.ChunkedDocument result =
-            new com.google.cloud.documentai.v1.Document.ChunkedDocument(this);
-        buildPartialRepeatedFields(result);
+      public com.google.cloud.documentai.v1.Document.BlobAsset buildPartial() {
+        com.google.cloud.documentai.v1.Document.BlobAsset result =
+            new com.google.cloud.documentai.v1.Document.BlobAsset(this);
         if (bitField0_ != 0) {
           buildPartial0(result);
         }
@@ -84660,62 +94324,44 @@ public com.google.cloud.documentai.v1.Document.ChunkedDocument buildPartial() {
         return result;
       }
 
-      private void buildPartialRepeatedFields(
-          com.google.cloud.documentai.v1.Document.ChunkedDocument result) {
-        if (chunksBuilder_ == null) {
-          if (((bitField0_ & 0x00000001) != 0)) {
-            chunks_ = java.util.Collections.unmodifiableList(chunks_);
-            bitField0_ = (bitField0_ & ~0x00000001);
-          }
-          result.chunks_ = chunks_;
-        } else {
-          result.chunks_ = chunksBuilder_.build();
-        }
-      }
-
-      private void buildPartial0(com.google.cloud.documentai.v1.Document.ChunkedDocument result) {
+      private void buildPartial0(com.google.cloud.documentai.v1.Document.BlobAsset result) {
         int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.assetId_ = assetId_;
+        }
+        if (((from_bitField0_ & 0x00000002) != 0)) {
+          result.content_ = content_;
+        }
+        if (((from_bitField0_ & 0x00000004) != 0)) {
+          result.mimeType_ = mimeType_;
+        }
       }
 
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
-        if (other instanceof com.google.cloud.documentai.v1.Document.ChunkedDocument) {
-          return mergeFrom((com.google.cloud.documentai.v1.Document.ChunkedDocument) other);
+        if (other instanceof com.google.cloud.documentai.v1.Document.BlobAsset) {
+          return mergeFrom((com.google.cloud.documentai.v1.Document.BlobAsset) other);
         } else {
           super.mergeFrom(other);
           return this;
         }
       }
 
-      public Builder mergeFrom(com.google.cloud.documentai.v1.Document.ChunkedDocument other) {
-        if (other == com.google.cloud.documentai.v1.Document.ChunkedDocument.getDefaultInstance())
+      public Builder mergeFrom(com.google.cloud.documentai.v1.Document.BlobAsset other) {
+        if (other == com.google.cloud.documentai.v1.Document.BlobAsset.getDefaultInstance())
           return this;
-        if (chunksBuilder_ == null) {
-          if (!other.chunks_.isEmpty()) {
-            if (chunks_.isEmpty()) {
-              chunks_ = other.chunks_;
-              bitField0_ = (bitField0_ & ~0x00000001);
-            } else {
-              ensureChunksIsMutable();
-              chunks_.addAll(other.chunks_);
-            }
-            onChanged();
-          }
-        } else {
-          if (!other.chunks_.isEmpty()) {
-            if (chunksBuilder_.isEmpty()) {
-              chunksBuilder_.dispose();
-              chunksBuilder_ = null;
-              chunks_ = other.chunks_;
-              bitField0_ = (bitField0_ & ~0x00000001);
-              chunksBuilder_ =
-                  com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
-                      ? internalGetChunksFieldBuilder()
-                      : null;
-            } else {
-              chunksBuilder_.addAllMessages(other.chunks_);
-            }
-          }
+        if (!other.getAssetId().isEmpty()) {
+          assetId_ = other.assetId_;
+          bitField0_ |= 0x00000001;
+          onChanged();
+        }
+        if (!other.getContent().isEmpty()) {
+          setContent(other.getContent());
+        }
+        if (!other.getMimeType().isEmpty()) {
+          mimeType_ = other.mimeType_;
+          bitField0_ |= 0x00000004;
+          onChanged();
         }
         this.mergeUnknownFields(other.getUnknownFields());
         onChanged();
@@ -84745,18 +94391,22 @@ public Builder mergeFrom(
                 break;
               case 10:
                 {
-                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk m =
-                      input.readMessage(
-                          com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.parser(),
-                          extensionRegistry);
-                  if (chunksBuilder_ == null) {
-                    ensureChunksIsMutable();
-                    chunks_.add(m);
-                  } else {
-                    chunksBuilder_.addMessage(m);
-                  }
+                  assetId_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000001;
                   break;
                 } // case 10
+              case 18:
+                {
+                  content_ = input.readBytes();
+                  bitField0_ |= 0x00000002;
+                  break;
+                } // case 18
+              case 26:
+                {
+                  mimeType_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000004;
+                  break;
+                } // case 26
               default:
                 {
                   if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -84776,58 +94426,28 @@ public Builder mergeFrom(
 
       private int bitField0_;
 
-      private java.util.List<com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk>
-          chunks_ = java.util.Collections.emptyList();
-
-      private void ensureChunksIsMutable() {
-        if (!((bitField0_ & 0x00000001) != 0)) {
-          chunks_ =
-              new java.util.ArrayList<
-                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk>(chunks_);
-          bitField0_ |= 0x00000001;
-        }
-      }
-
-      private com.google.protobuf.RepeatedFieldBuilder<
-              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk,
-              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.Builder,
-              com.google.cloud.documentai.v1.Document.ChunkedDocument.ChunkOrBuilder>
-          chunksBuilder_;
+      private java.lang.Object assetId_ = "";
 
       /**
        *
        *
        * <pre>
-       * List of chunks.
+       * Optional. The id of the blob asset.
        * </pre>
        *
-       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
-       * </code>
-       */
-      public java.util.List<com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk>
-          getChunksList() {
-        if (chunksBuilder_ == null) {
-          return java.util.Collections.unmodifiableList(chunks_);
-        } else {
-          return chunksBuilder_.getMessageList();
-        }
-      }
-
-      /**
-       *
+       * <code>string asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
        *
-       * <pre>
-       * List of chunks.
-       * </pre>
-       *
-       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
-       * </code>
+       * @return The assetId.
        */
-      public int getChunksCount() {
-        if (chunksBuilder_ == null) {
-          return chunks_.size();
+      public java.lang.String getAssetId() {
+        java.lang.Object ref = assetId_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          assetId_ = s;
+          return s;
         } else {
-          return chunksBuilder_.getCount();
+          return (java.lang.String) ref;
         }
       }
 
@@ -84835,90 +94455,44 @@ public int getChunksCount() {
        *
        *
        * <pre>
-       * List of chunks.
+       * Optional. The id of the blob asset.
        * </pre>
        *
-       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
-       * </code>
-       */
-      public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk getChunks(int index) {
-        if (chunksBuilder_ == null) {
-          return chunks_.get(index);
-        } else {
-          return chunksBuilder_.getMessage(index);
-        }
-      }
-
-      /**
-       *
+       * <code>string asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
        *
-       * <pre>
-       * List of chunks.
-       * </pre>
-       *
-       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
-       * </code>
+       * @return The bytes for assetId.
        */
-      public Builder setChunks(
-          int index, com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk value) {
-        if (chunksBuilder_ == null) {
-          if (value == null) {
-            throw new NullPointerException();
-          }
-          ensureChunksIsMutable();
-          chunks_.set(index, value);
-          onChanged();
+      public com.google.protobuf.ByteString getAssetIdBytes() {
+        java.lang.Object ref = assetId_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          assetId_ = b;
+          return b;
         } else {
-          chunksBuilder_.setMessage(index, value);
+          return (com.google.protobuf.ByteString) ref;
         }
-        return this;
       }
 
       /**
        *
        *
        * <pre>
-       * List of chunks.
+       * Optional. The id of the blob asset.
        * </pre>
        *
-       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
-       * </code>
-       */
-      public Builder setChunks(
-          int index,
-          com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.Builder builderForValue) {
-        if (chunksBuilder_ == null) {
-          ensureChunksIsMutable();
-          chunks_.set(index, builderForValue.build());
-          onChanged();
-        } else {
-          chunksBuilder_.setMessage(index, builderForValue.build());
-        }
-        return this;
-      }
-
-      /**
-       *
-       *
-       * <pre>
-       * List of chunks.
-       * </pre>
+       * <code>string asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
        *
-       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
-       * </code>
+       * @param value The assetId to set.
+       * @return This builder for chaining.
        */
-      public Builder addChunks(
-          com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk value) {
-        if (chunksBuilder_ == null) {
-          if (value == null) {
-            throw new NullPointerException();
-          }
-          ensureChunksIsMutable();
-          chunks_.add(value);
-          onChanged();
-        } else {
-          chunksBuilder_.addMessage(value);
+      public Builder setAssetId(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
         }
+        assetId_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
         return this;
       }
 
@@ -84926,24 +94500,17 @@ public Builder addChunks(
        *
        *
        * <pre>
-       * List of chunks.
+       * Optional. The id of the blob asset.
        * </pre>
        *
-       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
-       * </code>
+       * <code>string asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return This builder for chaining.
        */
-      public Builder addChunks(
-          int index, com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk value) {
-        if (chunksBuilder_ == null) {
-          if (value == null) {
-            throw new NullPointerException();
-          }
-          ensureChunksIsMutable();
-          chunks_.add(index, value);
-          onChanged();
-        } else {
-          chunksBuilder_.addMessage(index, value);
-        }
+      public Builder clearAssetId() {
+        assetId_ = getDefaultInstance().getAssetId();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
         return this;
       }
 
@@ -84951,68 +94518,62 @@ public Builder addChunks(
        *
        *
        * <pre>
-       * List of chunks.
+       * Optional. The id of the blob asset.
        * </pre>
        *
-       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
-       * </code>
+       * <code>string asset_id = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param value The bytes for assetId to set.
+       * @return This builder for chaining.
        */
-      public Builder addChunks(
-          com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.Builder builderForValue) {
-        if (chunksBuilder_ == null) {
-          ensureChunksIsMutable();
-          chunks_.add(builderForValue.build());
-          onChanged();
-        } else {
-          chunksBuilder_.addMessage(builderForValue.build());
+      public Builder setAssetIdBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
         }
+        checkByteStringIsUtf8(value);
+        assetId_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
         return this;
       }
 
+      private com.google.protobuf.ByteString content_ = com.google.protobuf.ByteString.EMPTY;
+
       /**
        *
        *
        * <pre>
-       * List of chunks.
+       * Optional. The content of the blob asset, for example, image bytes.
        * </pre>
        *
-       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
-       * </code>
+       * <code>bytes content = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return The content.
        */
-      public Builder addChunks(
-          int index,
-          com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.Builder builderForValue) {
-        if (chunksBuilder_ == null) {
-          ensureChunksIsMutable();
-          chunks_.add(index, builderForValue.build());
-          onChanged();
-        } else {
-          chunksBuilder_.addMessage(index, builderForValue.build());
-        }
-        return this;
+      @java.lang.Override
+      public com.google.protobuf.ByteString getContent() {
+        return content_;
       }
 
       /**
        *
        *
        * <pre>
-       * List of chunks.
+       * Optional. The content of the blob asset, for example, image bytes.
        * </pre>
        *
-       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
-       * </code>
+       * <code>bytes content = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param value The content to set.
+       * @return This builder for chaining.
        */
-      public Builder addAllChunks(
-          java.lang.Iterable<
-                  ? extends com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk>
-              values) {
-        if (chunksBuilder_ == null) {
-          ensureChunksIsMutable();
-          com.google.protobuf.AbstractMessageLite.Builder.addAll(values, chunks_);
-          onChanged();
-        } else {
-          chunksBuilder_.addAllMessages(values);
+      public Builder setContent(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
         }
+        content_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
         return this;
       }
 
@@ -85020,75 +94581,69 @@ public Builder addAllChunks(
        *
        *
        * <pre>
-       * List of chunks.
+       * Optional. The content of the blob asset, for example, image bytes.
        * </pre>
        *
-       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
-       * </code>
+       * <code>bytes content = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return This builder for chaining.
        */
-      public Builder clearChunks() {
-        if (chunksBuilder_ == null) {
-          chunks_ = java.util.Collections.emptyList();
-          bitField0_ = (bitField0_ & ~0x00000001);
-          onChanged();
-        } else {
-          chunksBuilder_.clear();
-        }
+      public Builder clearContent() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        content_ = getDefaultInstance().getContent();
+        onChanged();
         return this;
       }
 
+      private java.lang.Object mimeType_ = "";
+
       /**
        *
        *
        * <pre>
-       * List of chunks.
+       * The mime type of the blob asset.
+       * An IANA published [media type (MIME
+       * type)](https://www.iana.org/assignments/media-types/media-types.xhtml).
        * </pre>
        *
-       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
-       * </code>
+       * <code>string mime_type = 3;</code>
+       *
+       * @return The mimeType.
        */
-      public Builder removeChunks(int index) {
-        if (chunksBuilder_ == null) {
-          ensureChunksIsMutable();
-          chunks_.remove(index);
-          onChanged();
+      public java.lang.String getMimeType() {
+        java.lang.Object ref = mimeType_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          mimeType_ = s;
+          return s;
         } else {
-          chunksBuilder_.remove(index);
+          return (java.lang.String) ref;
         }
-        return this;
       }
 
       /**
        *
        *
        * <pre>
-       * List of chunks.
+       * The mime type of the blob asset.
+       * An IANA published [media type (MIME
+       * type)](https://www.iana.org/assignments/media-types/media-types.xhtml).
        * </pre>
        *
-       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
-       * </code>
-       */
-      public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.Builder getChunksBuilder(
-          int index) {
-        return internalGetChunksFieldBuilder().getBuilder(index);
-      }
-
-      /**
-       *
+       * <code>string mime_type = 3;</code>
        *
-       * <pre>
-       * List of chunks.
-       * </pre>
-       *
-       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
-       * </code>
+       * @return The bytes for mimeType.
        */
-      public com.google.cloud.documentai.v1.Document.ChunkedDocument.ChunkOrBuilder
-          getChunksOrBuilder(int index) {
-        if (chunksBuilder_ == null) {
-          return chunks_.get(index);
+      public com.google.protobuf.ByteString getMimeTypeBytes() {
+        java.lang.Object ref = mimeType_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          mimeType_ = b;
+          return b;
         } else {
-          return chunksBuilder_.getMessageOrBuilder(index);
+          return (com.google.protobuf.ByteString) ref;
         }
       }
 
@@ -85096,107 +94651,89 @@ public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.Builder get
        *
        *
        * <pre>
-       * List of chunks.
+       * The mime type of the blob asset.
+       * An IANA published [media type (MIME
+       * type)](https://www.iana.org/assignments/media-types/media-types.xhtml).
        * </pre>
        *
-       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
-       * </code>
+       * <code>string mime_type = 3;</code>
+       *
+       * @param value The mimeType to set.
+       * @return This builder for chaining.
        */
-      public java.util.List<
-              ? extends com.google.cloud.documentai.v1.Document.ChunkedDocument.ChunkOrBuilder>
-          getChunksOrBuilderList() {
-        if (chunksBuilder_ != null) {
-          return chunksBuilder_.getMessageOrBuilderList();
-        } else {
-          return java.util.Collections.unmodifiableList(chunks_);
+      public Builder setMimeType(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
         }
+        mimeType_ = value;
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
       }
 
       /**
        *
        *
        * <pre>
-       * List of chunks.
+       * The mime type of the blob asset.
+       * An IANA published [media type (MIME
+       * type)](https://www.iana.org/assignments/media-types/media-types.xhtml).
        * </pre>
        *
-       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
-       * </code>
-       */
-      public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.Builder
-          addChunksBuilder() {
-        return internalGetChunksFieldBuilder()
-            .addBuilder(
-                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.getDefaultInstance());
-      }
-
-      /**
-       *
+       * <code>string mime_type = 3;</code>
        *
-       * <pre>
-       * List of chunks.
-       * </pre>
-       *
-       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
-       * </code>
+       * @return This builder for chaining.
        */
-      public com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.Builder addChunksBuilder(
-          int index) {
-        return internalGetChunksFieldBuilder()
-            .addBuilder(
-                index,
-                com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.getDefaultInstance());
+      public Builder clearMimeType() {
+        mimeType_ = getDefaultInstance().getMimeType();
+        bitField0_ = (bitField0_ & ~0x00000004);
+        onChanged();
+        return this;
       }
 
       /**
        *
        *
        * <pre>
-       * List of chunks.
+       * The mime type of the blob asset.
+       * An IANA published [media type (MIME
+       * type)](https://www.iana.org/assignments/media-types/media-types.xhtml).
        * </pre>
        *
-       * <code>repeated .google.cloud.documentai.v1.Document.ChunkedDocument.Chunk chunks = 1;
-       * </code>
+       * <code>string mime_type = 3;</code>
+       *
+       * @param value The bytes for mimeType to set.
+       * @return This builder for chaining.
        */
-      public java.util.List<com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.Builder>
-          getChunksBuilderList() {
-        return internalGetChunksFieldBuilder().getBuilderList();
-      }
-
-      private com.google.protobuf.RepeatedFieldBuilder<
-              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk,
-              com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.Builder,
-              com.google.cloud.documentai.v1.Document.ChunkedDocument.ChunkOrBuilder>
-          internalGetChunksFieldBuilder() {
-        if (chunksBuilder_ == null) {
-          chunksBuilder_ =
-              new com.google.protobuf.RepeatedFieldBuilder<
-                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk,
-                  com.google.cloud.documentai.v1.Document.ChunkedDocument.Chunk.Builder,
-                  com.google.cloud.documentai.v1.Document.ChunkedDocument.ChunkOrBuilder>(
-                  chunks_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
-          chunks_ = null;
+      public Builder setMimeTypeBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
         }
-        return chunksBuilder_;
+        checkByteStringIsUtf8(value);
+        mimeType_ = value;
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
       }
 
-      // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1.Document.ChunkedDocument)
+      // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1.Document.BlobAsset)
     }
 
-    // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1.Document.ChunkedDocument)
-    private static final com.google.cloud.documentai.v1.Document.ChunkedDocument DEFAULT_INSTANCE;
+    // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1.Document.BlobAsset)
+    private static final com.google.cloud.documentai.v1.Document.BlobAsset DEFAULT_INSTANCE;
 
     static {
-      DEFAULT_INSTANCE = new com.google.cloud.documentai.v1.Document.ChunkedDocument();
+      DEFAULT_INSTANCE = new com.google.cloud.documentai.v1.Document.BlobAsset();
     }
 
-    public static com.google.cloud.documentai.v1.Document.ChunkedDocument getDefaultInstance() {
+    public static com.google.cloud.documentai.v1.Document.BlobAsset getDefaultInstance() {
       return DEFAULT_INSTANCE;
     }
 
-    private static final com.google.protobuf.Parser<ChunkedDocument> PARSER =
-        new com.google.protobuf.AbstractParser<ChunkedDocument>() {
+    private static final com.google.protobuf.Parser<BlobAsset> PARSER =
+        new com.google.protobuf.AbstractParser<BlobAsset>() {
           @java.lang.Override
-          public ChunkedDocument parsePartialFrom(
+          public BlobAsset parsePartialFrom(
               com.google.protobuf.CodedInputStream input,
               com.google.protobuf.ExtensionRegistryLite extensionRegistry)
               throws com.google.protobuf.InvalidProtocolBufferException {
@@ -85216,17 +94753,17 @@ public ChunkedDocument parsePartialFrom(
           }
         };
 
-    public static com.google.protobuf.Parser<ChunkedDocument> parser() {
+    public static com.google.protobuf.Parser<BlobAsset> parser() {
       return PARSER;
     }
 
     @java.lang.Override
-    public com.google.protobuf.Parser<ChunkedDocument> getParserForType() {
+    public com.google.protobuf.Parser<BlobAsset> getParserForType() {
       return PARSER;
     }
 
     @java.lang.Override
-    public com.google.cloud.documentai.v1.Document.ChunkedDocument getDefaultInstanceForType() {
+    public com.google.cloud.documentai.v1.Document.BlobAsset getDefaultInstanceForType() {
       return DEFAULT_INSTANCE;
     }
   }
@@ -90582,6 +100119,108 @@ public com.google.cloud.documentai.v1.Document.ChunkedDocument getChunkedDocumen
         : chunkedDocument_;
   }
 
+  public static final int BLOB_ASSETS_FIELD_NUMBER = 19;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.documentai.v1.Document.BlobAsset> blobAssets_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The blob assets in this document. This is used to store the
+   * content of the inline blobs in this document, for example, image bytes,
+   * such that it can be referenced by other fields in the document via asset
+   * id.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.documentai.v1.Document.BlobAsset> getBlobAssetsList() {
+    return blobAssets_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The blob assets in this document. This is used to store the
+   * content of the inline blobs in this document, for example, image bytes,
+   * such that it can be referenced by other fields in the document via asset
+   * id.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.documentai.v1.Document.BlobAssetOrBuilder>
+      getBlobAssetsOrBuilderList() {
+    return blobAssets_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The blob assets in this document. This is used to store the
+   * content of the inline blobs in this document, for example, image bytes,
+   * such that it can be referenced by other fields in the document via asset
+   * id.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public int getBlobAssetsCount() {
+    return blobAssets_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The blob assets in this document. This is used to store the
+   * content of the inline blobs in this document, for example, image bytes,
+   * such that it can be referenced by other fields in the document via asset
+   * id.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.documentai.v1.Document.BlobAsset getBlobAssets(int index) {
+    return blobAssets_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The blob assets in this document. This is used to store the
+   * content of the inline blobs in this document, for example, image bytes,
+   * such that it can be referenced by other fields in the document via asset
+   * id.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.documentai.v1.Document.BlobAssetOrBuilder getBlobAssetsOrBuilder(
+      int index) {
+    return blobAssets_.get(index);
+  }
+
   public static final int ENTITY_VALIDATION_OUTPUT_FIELD_NUMBER = 21;
   private com.google.cloud.documentai.v1.Document.EntityValidationOutput entityValidationOutput_;
 
@@ -90752,7 +100391,7 @@ public com.google.cloud.documentai.v1.Document.EntitiesRevision getEntitiesRevis
    * The entity revision ID that `document.entities` field is based on.
    * If this field is set and `entities_revisions` is not empty, the entities in
    * `document.entities` field are the entities in the entity revision with this
-   * ID and `document.entity_validation_output` field is the
+   * id and `document.entity_validation_output` field is the
    * `entity_validation_output` field in this entity revision.
    * </pre>
    *
@@ -90780,7 +100419,7 @@ public java.lang.String getEntitiesRevisionId() {
    * The entity revision ID that `document.entities` field is based on.
    * If this field is set and `entities_revisions` is not empty, the entities in
    * `document.entities` field are the entities in the entity revision with this
-   * ID and `document.entity_validation_output` field is the
+   * id and `document.entity_validation_output` field is the
    * `entity_validation_output` field in this entity revision.
    * </pre>
    *
@@ -90860,6 +100499,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000008) != 0)) {
       output.writeMessage(18, getChunkedDocument());
     }
+    for (int i = 0; i < blobAssets_.size(); i++) {
+      output.writeMessage(19, blobAssets_.get(i));
+    }
     if (((bitField0_ & 0x00000010) != 0)) {
       output.writeMessage(21, getEntityValidationOutput());
     }
@@ -90925,6 +100567,9 @@ public int getSerializedSize() {
     if (((bitField0_ & 0x00000008) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(18, getChunkedDocument());
     }
+    for (int i = 0; i < blobAssets_.size(); i++) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(19, blobAssets_.get(i));
+    }
     if (((bitField0_ & 0x00000010) != 0)) {
       size +=
           com.google.protobuf.CodedOutputStream.computeMessageSize(21, getEntityValidationOutput());
@@ -90976,6 +100621,7 @@ public boolean equals(final java.lang.Object obj) {
     if (hasChunkedDocument()) {
       if (!getChunkedDocument().equals(other.getChunkedDocument())) return false;
     }
+    if (!getBlobAssetsList().equals(other.getBlobAssetsList())) return false;
     if (hasEntityValidationOutput() != other.hasEntityValidationOutput()) return false;
     if (hasEntityValidationOutput()) {
       if (!getEntityValidationOutput().equals(other.getEntityValidationOutput())) return false;
@@ -91050,6 +100696,10 @@ public int hashCode() {
       hash = (37 * hash) + CHUNKED_DOCUMENT_FIELD_NUMBER;
       hash = (53 * hash) + getChunkedDocument().hashCode();
     }
+    if (getBlobAssetsCount() > 0) {
+      hash = (37 * hash) + BLOB_ASSETS_FIELD_NUMBER;
+      hash = (53 * hash) + getBlobAssetsList().hashCode();
+    }
     if (hasEntityValidationOutput()) {
       hash = (37 * hash) + ENTITY_VALIDATION_OUTPUT_FIELD_NUMBER;
       hash = (53 * hash) + getEntityValidationOutput().hashCode();
@@ -91226,6 +100876,7 @@ private void maybeForceBuilderInitialization() {
         internalGetRevisionsFieldBuilder();
         internalGetDocumentLayoutFieldBuilder();
         internalGetChunkedDocumentFieldBuilder();
+        internalGetBlobAssetsFieldBuilder();
         internalGetEntityValidationOutputFieldBuilder();
         internalGetEntitiesRevisionsFieldBuilder();
       }
@@ -91300,6 +100951,13 @@ public Builder clear() {
         chunkedDocumentBuilder_.dispose();
         chunkedDocumentBuilder_ = null;
       }
+      if (blobAssetsBuilder_ == null) {
+        blobAssets_ = java.util.Collections.emptyList();
+      } else {
+        blobAssets_ = null;
+        blobAssetsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00008000);
       entityValidationOutput_ = null;
       if (entityValidationOutputBuilder_ != null) {
         entityValidationOutputBuilder_.dispose();
@@ -91311,7 +100969,7 @@ public Builder clear() {
         entitiesRevisions_ = null;
         entitiesRevisionsBuilder_.clear();
       }
-      bitField0_ = (bitField0_ & ~0x00010000);
+      bitField0_ = (bitField0_ & ~0x00020000);
       entitiesRevisionId_ = "";
       sourceCase_ = 0;
       source_ = null;
@@ -91406,10 +101064,19 @@ private void buildPartialRepeatedFields(com.google.cloud.documentai.v1.Document
       } else {
         result.revisions_ = revisionsBuilder_.build();
       }
+      if (blobAssetsBuilder_ == null) {
+        if (((bitField0_ & 0x00008000) != 0)) {
+          blobAssets_ = java.util.Collections.unmodifiableList(blobAssets_);
+          bitField0_ = (bitField0_ & ~0x00008000);
+        }
+        result.blobAssets_ = blobAssets_;
+      } else {
+        result.blobAssets_ = blobAssetsBuilder_.build();
+      }
       if (entitiesRevisionsBuilder_ == null) {
-        if (((bitField0_ & 0x00010000) != 0)) {
+        if (((bitField0_ & 0x00020000) != 0)) {
           entitiesRevisions_ = java.util.Collections.unmodifiableList(entitiesRevisions_);
-          bitField0_ = (bitField0_ & ~0x00010000);
+          bitField0_ = (bitField0_ & ~0x00020000);
         }
         result.entitiesRevisions_ = entitiesRevisions_;
       } else {
@@ -91447,14 +101114,14 @@ private void buildPartial0(com.google.cloud.documentai.v1.Document result) {
             chunkedDocumentBuilder_ == null ? chunkedDocument_ : chunkedDocumentBuilder_.build();
         to_bitField0_ |= 0x00000008;
       }
-      if (((from_bitField0_ & 0x00008000) != 0)) {
+      if (((from_bitField0_ & 0x00010000) != 0)) {
         result.entityValidationOutput_ =
             entityValidationOutputBuilder_ == null
                 ? entityValidationOutput_
                 : entityValidationOutputBuilder_.build();
         to_bitField0_ |= 0x00000010;
       }
-      if (((from_bitField0_ & 0x00020000) != 0)) {
+      if (((from_bitField0_ & 0x00040000) != 0)) {
         result.entitiesRevisionId_ = entitiesRevisionId_;
       }
       result.bitField0_ |= to_bitField0_;
@@ -91666,6 +101333,33 @@ public Builder mergeFrom(com.google.cloud.documentai.v1.Document other) {
       if (other.hasChunkedDocument()) {
         mergeChunkedDocument(other.getChunkedDocument());
       }
+      if (blobAssetsBuilder_ == null) {
+        if (!other.blobAssets_.isEmpty()) {
+          if (blobAssets_.isEmpty()) {
+            blobAssets_ = other.blobAssets_;
+            bitField0_ = (bitField0_ & ~0x00008000);
+          } else {
+            ensureBlobAssetsIsMutable();
+            blobAssets_.addAll(other.blobAssets_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.blobAssets_.isEmpty()) {
+          if (blobAssetsBuilder_.isEmpty()) {
+            blobAssetsBuilder_.dispose();
+            blobAssetsBuilder_ = null;
+            blobAssets_ = other.blobAssets_;
+            bitField0_ = (bitField0_ & ~0x00008000);
+            blobAssetsBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetBlobAssetsFieldBuilder()
+                    : null;
+          } else {
+            blobAssetsBuilder_.addAllMessages(other.blobAssets_);
+          }
+        }
+      }
       if (other.hasEntityValidationOutput()) {
         mergeEntityValidationOutput(other.getEntityValidationOutput());
       }
@@ -91673,7 +101367,7 @@ public Builder mergeFrom(com.google.cloud.documentai.v1.Document other) {
         if (!other.entitiesRevisions_.isEmpty()) {
           if (entitiesRevisions_.isEmpty()) {
             entitiesRevisions_ = other.entitiesRevisions_;
-            bitField0_ = (bitField0_ & ~0x00010000);
+            bitField0_ = (bitField0_ & ~0x00020000);
           } else {
             ensureEntitiesRevisionsIsMutable();
             entitiesRevisions_.addAll(other.entitiesRevisions_);
@@ -91686,7 +101380,7 @@ public Builder mergeFrom(com.google.cloud.documentai.v1.Document other) {
             entitiesRevisionsBuilder_.dispose();
             entitiesRevisionsBuilder_ = null;
             entitiesRevisions_ = other.entitiesRevisions_;
-            bitField0_ = (bitField0_ & ~0x00010000);
+            bitField0_ = (bitField0_ & ~0x00020000);
             entitiesRevisionsBuilder_ =
                 com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
                     ? internalGetEntitiesRevisionsFieldBuilder()
@@ -91698,7 +101392,7 @@ public Builder mergeFrom(com.google.cloud.documentai.v1.Document other) {
       }
       if (!other.getEntitiesRevisionId().isEmpty()) {
         entitiesRevisionId_ = other.entitiesRevisionId_;
-        bitField0_ |= 0x00020000;
+        bitField0_ |= 0x00040000;
         onChanged();
       }
       switch (other.getSourceCase()) {
@@ -91884,12 +101578,26 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00004000;
                 break;
               } // case 146
+            case 154:
+              {
+                com.google.cloud.documentai.v1.Document.BlobAsset m =
+                    input.readMessage(
+                        com.google.cloud.documentai.v1.Document.BlobAsset.parser(),
+                        extensionRegistry);
+                if (blobAssetsBuilder_ == null) {
+                  ensureBlobAssetsIsMutable();
+                  blobAssets_.add(m);
+                } else {
+                  blobAssetsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 154
             case 170:
               {
                 input.readMessage(
                     internalGetEntityValidationOutputFieldBuilder().getBuilder(),
                     extensionRegistry);
-                bitField0_ |= 0x00008000;
+                bitField0_ |= 0x00010000;
                 break;
               } // case 170
             case 178:
@@ -91909,7 +101617,7 @@ public Builder mergeFrom(
             case 186:
               {
                 entitiesRevisionId_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00020000;
+                bitField0_ |= 0x00040000;
                 break;
               } // case 186
             default:
@@ -95721,6 +105429,470 @@ public Builder clearChunkedDocument() {
       return chunkedDocumentBuilder_;
     }
 
+    private java.util.List<com.google.cloud.documentai.v1.Document.BlobAsset> blobAssets_ =
+        java.util.Collections.emptyList();
+
+    private void ensureBlobAssetsIsMutable() {
+      if (!((bitField0_ & 0x00008000) != 0)) {
+        blobAssets_ =
+            new java.util.ArrayList<com.google.cloud.documentai.v1.Document.BlobAsset>(blobAssets_);
+        bitField0_ |= 0x00008000;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.documentai.v1.Document.BlobAsset,
+            com.google.cloud.documentai.v1.Document.BlobAsset.Builder,
+            com.google.cloud.documentai.v1.Document.BlobAssetOrBuilder>
+        blobAssetsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The blob assets in this document. This is used to store the
+     * content of the inline blobs in this document, for example, image bytes,
+     * such that it can be referenced by other fields in the document via asset
+     * id.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.documentai.v1.Document.BlobAsset> getBlobAssetsList() {
+      if (blobAssetsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(blobAssets_);
+      } else {
+        return blobAssetsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The blob assets in this document. This is used to store the
+     * content of the inline blobs in this document, for example, image bytes,
+     * such that it can be referenced by other fields in the document via asset
+     * id.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public int getBlobAssetsCount() {
+      if (blobAssetsBuilder_ == null) {
+        return blobAssets_.size();
+      } else {
+        return blobAssetsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The blob assets in this document. This is used to store the
+     * content of the inline blobs in this document, for example, image bytes,
+     * such that it can be referenced by other fields in the document via asset
+     * id.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.documentai.v1.Document.BlobAsset getBlobAssets(int index) {
+      if (blobAssetsBuilder_ == null) {
+        return blobAssets_.get(index);
+      } else {
+        return blobAssetsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The blob assets in this document. This is used to store the
+     * content of the inline blobs in this document, for example, image bytes,
+     * such that it can be referenced by other fields in the document via asset
+     * id.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setBlobAssets(
+        int index, com.google.cloud.documentai.v1.Document.BlobAsset value) {
+      if (blobAssetsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureBlobAssetsIsMutable();
+        blobAssets_.set(index, value);
+        onChanged();
+      } else {
+        blobAssetsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The blob assets in this document. This is used to store the
+     * content of the inline blobs in this document, for example, image bytes,
+     * such that it can be referenced by other fields in the document via asset
+     * id.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setBlobAssets(
+        int index, com.google.cloud.documentai.v1.Document.BlobAsset.Builder builderForValue) {
+      if (blobAssetsBuilder_ == null) {
+        ensureBlobAssetsIsMutable();
+        blobAssets_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        blobAssetsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The blob assets in this document. This is used to store the
+     * content of the inline blobs in this document, for example, image bytes,
+     * such that it can be referenced by other fields in the document via asset
+     * id.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addBlobAssets(com.google.cloud.documentai.v1.Document.BlobAsset value) {
+      if (blobAssetsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureBlobAssetsIsMutable();
+        blobAssets_.add(value);
+        onChanged();
+      } else {
+        blobAssetsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The blob assets in this document. This is used to store the
+     * content of the inline blobs in this document, for example, image bytes,
+     * such that it can be referenced by other fields in the document via asset
+     * id.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addBlobAssets(
+        int index, com.google.cloud.documentai.v1.Document.BlobAsset value) {
+      if (blobAssetsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureBlobAssetsIsMutable();
+        blobAssets_.add(index, value);
+        onChanged();
+      } else {
+        blobAssetsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The blob assets in this document. This is used to store the
+     * content of the inline blobs in this document, for example, image bytes,
+     * such that it can be referenced by other fields in the document via asset
+     * id.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addBlobAssets(
+        com.google.cloud.documentai.v1.Document.BlobAsset.Builder builderForValue) {
+      if (blobAssetsBuilder_ == null) {
+        ensureBlobAssetsIsMutable();
+        blobAssets_.add(builderForValue.build());
+        onChanged();
+      } else {
+        blobAssetsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The blob assets in this document. This is used to store the
+     * content of the inline blobs in this document, for example, image bytes,
+     * such that it can be referenced by other fields in the document via asset
+     * id.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addBlobAssets(
+        int index, com.google.cloud.documentai.v1.Document.BlobAsset.Builder builderForValue) {
+      if (blobAssetsBuilder_ == null) {
+        ensureBlobAssetsIsMutable();
+        blobAssets_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        blobAssetsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The blob assets in this document. This is used to store the
+     * content of the inline blobs in this document, for example, image bytes,
+     * such that it can be referenced by other fields in the document via asset
+     * id.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addAllBlobAssets(
+        java.lang.Iterable<? extends com.google.cloud.documentai.v1.Document.BlobAsset> values) {
+      if (blobAssetsBuilder_ == null) {
+        ensureBlobAssetsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, blobAssets_);
+        onChanged();
+      } else {
+        blobAssetsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The blob assets in this document. This is used to store the
+     * content of the inline blobs in this document, for example, image bytes,
+     * such that it can be referenced by other fields in the document via asset
+     * id.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearBlobAssets() {
+      if (blobAssetsBuilder_ == null) {
+        blobAssets_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00008000);
+        onChanged();
+      } else {
+        blobAssetsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The blob assets in this document. This is used to store the
+     * content of the inline blobs in this document, for example, image bytes,
+     * such that it can be referenced by other fields in the document via asset
+     * id.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder removeBlobAssets(int index) {
+      if (blobAssetsBuilder_ == null) {
+        ensureBlobAssetsIsMutable();
+        blobAssets_.remove(index);
+        onChanged();
+      } else {
+        blobAssetsBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The blob assets in this document. This is used to store the
+     * content of the inline blobs in this document, for example, image bytes,
+     * such that it can be referenced by other fields in the document via asset
+     * id.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.documentai.v1.Document.BlobAsset.Builder getBlobAssetsBuilder(
+        int index) {
+      return internalGetBlobAssetsFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The blob assets in this document. This is used to store the
+     * content of the inline blobs in this document, for example, image bytes,
+     * such that it can be referenced by other fields in the document via asset
+     * id.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.documentai.v1.Document.BlobAssetOrBuilder getBlobAssetsOrBuilder(
+        int index) {
+      if (blobAssetsBuilder_ == null) {
+        return blobAssets_.get(index);
+      } else {
+        return blobAssetsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The blob assets in this document. This is used to store the
+     * content of the inline blobs in this document, for example, image bytes,
+     * such that it can be referenced by other fields in the document via asset
+     * id.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<? extends com.google.cloud.documentai.v1.Document.BlobAssetOrBuilder>
+        getBlobAssetsOrBuilderList() {
+      if (blobAssetsBuilder_ != null) {
+        return blobAssetsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(blobAssets_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The blob assets in this document. This is used to store the
+     * content of the inline blobs in this document, for example, image bytes,
+     * such that it can be referenced by other fields in the document via asset
+     * id.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.documentai.v1.Document.BlobAsset.Builder addBlobAssetsBuilder() {
+      return internalGetBlobAssetsFieldBuilder()
+          .addBuilder(com.google.cloud.documentai.v1.Document.BlobAsset.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The blob assets in this document. This is used to store the
+     * content of the inline blobs in this document, for example, image bytes,
+     * such that it can be referenced by other fields in the document via asset
+     * id.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.documentai.v1.Document.BlobAsset.Builder addBlobAssetsBuilder(
+        int index) {
+      return internalGetBlobAssetsFieldBuilder()
+          .addBuilder(
+              index, com.google.cloud.documentai.v1.Document.BlobAsset.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The blob assets in this document. This is used to store the
+     * content of the inline blobs in this document, for example, image bytes,
+     * such that it can be referenced by other fields in the document via asset
+     * id.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.documentai.v1.Document.BlobAsset.Builder>
+        getBlobAssetsBuilderList() {
+      return internalGetBlobAssetsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.documentai.v1.Document.BlobAsset,
+            com.google.cloud.documentai.v1.Document.BlobAsset.Builder,
+            com.google.cloud.documentai.v1.Document.BlobAssetOrBuilder>
+        internalGetBlobAssetsFieldBuilder() {
+      if (blobAssetsBuilder_ == null) {
+        blobAssetsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.documentai.v1.Document.BlobAsset,
+                com.google.cloud.documentai.v1.Document.BlobAsset.Builder,
+                com.google.cloud.documentai.v1.Document.BlobAssetOrBuilder>(
+                blobAssets_, ((bitField0_ & 0x00008000) != 0), getParentForChildren(), isClean());
+        blobAssets_ = null;
+      }
+      return blobAssetsBuilder_;
+    }
+
     private com.google.cloud.documentai.v1.Document.EntityValidationOutput entityValidationOutput_;
     private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.documentai.v1.Document.EntityValidationOutput,
@@ -95743,7 +105915,7 @@ public Builder clearChunkedDocument() {
      * @return Whether the entityValidationOutput field is set.
      */
     public boolean hasEntityValidationOutput() {
-      return ((bitField0_ & 0x00008000) != 0);
+      return ((bitField0_ & 0x00010000) != 0);
     }
 
     /**
@@ -95793,7 +105965,7 @@ public Builder setEntityValidationOutput(
       } else {
         entityValidationOutputBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00008000;
+      bitField0_ |= 0x00010000;
       onChanged();
       return this;
     }
@@ -95817,7 +105989,7 @@ public Builder setEntityValidationOutput(
       } else {
         entityValidationOutputBuilder_.setMessage(builderForValue.build());
       }
-      bitField0_ |= 0x00008000;
+      bitField0_ |= 0x00010000;
       onChanged();
       return this;
     }
@@ -95837,7 +106009,7 @@ public Builder setEntityValidationOutput(
     public Builder mergeEntityValidationOutput(
         com.google.cloud.documentai.v1.Document.EntityValidationOutput value) {
       if (entityValidationOutputBuilder_ == null) {
-        if (((bitField0_ & 0x00008000) != 0)
+        if (((bitField0_ & 0x00010000) != 0)
             && entityValidationOutput_ != null
             && entityValidationOutput_
                 != com.google.cloud.documentai.v1.Document.EntityValidationOutput
@@ -95850,7 +106022,7 @@ public Builder mergeEntityValidationOutput(
         entityValidationOutputBuilder_.mergeFrom(value);
       }
       if (entityValidationOutput_ != null) {
-        bitField0_ |= 0x00008000;
+        bitField0_ |= 0x00010000;
         onChanged();
       }
       return this;
@@ -95869,7 +106041,7 @@ public Builder mergeEntityValidationOutput(
      * </code>
      */
     public Builder clearEntityValidationOutput() {
-      bitField0_ = (bitField0_ & ~0x00008000);
+      bitField0_ = (bitField0_ & ~0x00010000);
       entityValidationOutput_ = null;
       if (entityValidationOutputBuilder_ != null) {
         entityValidationOutputBuilder_.dispose();
@@ -95893,7 +106065,7 @@ public Builder clearEntityValidationOutput() {
      */
     public com.google.cloud.documentai.v1.Document.EntityValidationOutput.Builder
         getEntityValidationOutputBuilder() {
-      bitField0_ |= 0x00008000;
+      bitField0_ |= 0x00010000;
       onChanged();
       return internalGetEntityValidationOutputFieldBuilder().getBuilder();
     }
@@ -95954,11 +106126,11 @@ public Builder clearEntityValidationOutput() {
         entitiesRevisions_ = java.util.Collections.emptyList();
 
     private void ensureEntitiesRevisionsIsMutable() {
-      if (!((bitField0_ & 0x00010000) != 0)) {
+      if (!((bitField0_ & 0x00020000) != 0)) {
         entitiesRevisions_ =
             new java.util.ArrayList<com.google.cloud.documentai.v1.Document.EntitiesRevision>(
                 entitiesRevisions_);
-        bitField0_ |= 0x00010000;
+        bitField0_ |= 0x00020000;
       }
     }
 
@@ -96225,7 +106397,7 @@ public Builder addAllEntitiesRevisions(
     public Builder clearEntitiesRevisions() {
       if (entitiesRevisionsBuilder_ == null) {
         entitiesRevisions_ = java.util.Collections.emptyList();
-        bitField0_ = (bitField0_ & ~0x00010000);
+        bitField0_ = (bitField0_ & ~0x00020000);
         onChanged();
       } else {
         entitiesRevisionsBuilder_.clear();
@@ -96383,7 +106555,7 @@ public Builder removeEntitiesRevisions(int index) {
                 com.google.cloud.documentai.v1.Document.EntitiesRevision.Builder,
                 com.google.cloud.documentai.v1.Document.EntitiesRevisionOrBuilder>(
                 entitiesRevisions_,
-                ((bitField0_ & 0x00010000) != 0),
+                ((bitField0_ & 0x00020000) != 0),
                 getParentForChildren(),
                 isClean());
         entitiesRevisions_ = null;
@@ -96400,7 +106572,7 @@ public Builder removeEntitiesRevisions(int index) {
      * The entity revision ID that `document.entities` field is based on.
      * If this field is set and `entities_revisions` is not empty, the entities in
      * `document.entities` field are the entities in the entity revision with this
-     * ID and `document.entity_validation_output` field is the
+     * id and `document.entity_validation_output` field is the
      * `entity_validation_output` field in this entity revision.
      * </pre>
      *
@@ -96427,7 +106599,7 @@ public java.lang.String getEntitiesRevisionId() {
      * The entity revision ID that `document.entities` field is based on.
      * If this field is set and `entities_revisions` is not empty, the entities in
      * `document.entities` field are the entities in the entity revision with this
-     * ID and `document.entity_validation_output` field is the
+     * id and `document.entity_validation_output` field is the
      * `entity_validation_output` field in this entity revision.
      * </pre>
      *
@@ -96454,7 +106626,7 @@ public com.google.protobuf.ByteString getEntitiesRevisionIdBytes() {
      * The entity revision ID that `document.entities` field is based on.
      * If this field is set and `entities_revisions` is not empty, the entities in
      * `document.entities` field are the entities in the entity revision with this
-     * ID and `document.entity_validation_output` field is the
+     * id and `document.entity_validation_output` field is the
      * `entity_validation_output` field in this entity revision.
      * </pre>
      *
@@ -96468,7 +106640,7 @@ public Builder setEntitiesRevisionId(java.lang.String value) {
         throw new NullPointerException();
       }
       entitiesRevisionId_ = value;
-      bitField0_ |= 0x00020000;
+      bitField0_ |= 0x00040000;
       onChanged();
       return this;
     }
@@ -96480,7 +106652,7 @@ public Builder setEntitiesRevisionId(java.lang.String value) {
      * The entity revision ID that `document.entities` field is based on.
      * If this field is set and `entities_revisions` is not empty, the entities in
      * `document.entities` field are the entities in the entity revision with this
-     * ID and `document.entity_validation_output` field is the
+     * id and `document.entity_validation_output` field is the
      * `entity_validation_output` field in this entity revision.
      * </pre>
      *
@@ -96490,7 +106662,7 @@ public Builder setEntitiesRevisionId(java.lang.String value) {
      */
     public Builder clearEntitiesRevisionId() {
       entitiesRevisionId_ = getDefaultInstance().getEntitiesRevisionId();
-      bitField0_ = (bitField0_ & ~0x00020000);
+      bitField0_ = (bitField0_ & ~0x00040000);
       onChanged();
       return this;
     }
@@ -96502,7 +106674,7 @@ public Builder clearEntitiesRevisionId() {
      * The entity revision ID that `document.entities` field is based on.
      * If this field is set and `entities_revisions` is not empty, the entities in
      * `document.entities` field are the entities in the entity revision with this
-     * ID and `document.entity_validation_output` field is the
+     * id and `document.entity_validation_output` field is the
      * `entity_validation_output` field in this entity revision.
      * </pre>
      *
@@ -96517,7 +106689,7 @@ public Builder setEntitiesRevisionIdBytes(com.google.protobuf.ByteString value)
       }
       checkByteStringIsUtf8(value);
       entitiesRevisionId_ = value;
-      bitField0_ |= 0x00020000;
+      bitField0_ |= 0x00040000;
       onChanged();
       return this;
     }
diff --git a/java-document-ai/proto-google-cloud-document-ai-v1/src/main/java/com/google/cloud/documentai/v1/DocumentOrBuilder.java b/java-document-ai/proto-google-cloud-document-ai-v1/src/main/java/com/google/cloud/documentai/v1/DocumentOrBuilder.java
index bef3f04f8bc2..44117b70a087 100644
--- a/java-document-ai/proto-google-cloud-document-ai-v1/src/main/java/com/google/cloud/documentai/v1/DocumentOrBuilder.java
+++ b/java-document-ai/proto-google-cloud-document-ai-v1/src/main/java/com/google/cloud/documentai/v1/DocumentOrBuilder.java
@@ -712,6 +712,87 @@ com.google.cloud.documentai.v1.Document.EntityRelationOrBuilder getEntityRelatio
    */
   com.google.cloud.documentai.v1.Document.ChunkedDocumentOrBuilder getChunkedDocumentOrBuilder();
 
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The blob assets in this document. This is used to store the
+   * content of the inline blobs in this document, for example, image bytes,
+   * such that it can be referenced by other fields in the document via asset
+   * id.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  java.util.List<com.google.cloud.documentai.v1.Document.BlobAsset> getBlobAssetsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The blob assets in this document. This is used to store the
+   * content of the inline blobs in this document, for example, image bytes,
+   * such that it can be referenced by other fields in the document via asset
+   * id.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.documentai.v1.Document.BlobAsset getBlobAssets(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The blob assets in this document. This is used to store the
+   * content of the inline blobs in this document, for example, image bytes,
+   * such that it can be referenced by other fields in the document via asset
+   * id.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  int getBlobAssetsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The blob assets in this document. This is used to store the
+   * content of the inline blobs in this document, for example, image bytes,
+   * such that it can be referenced by other fields in the document via asset
+   * id.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  java.util.List<? extends com.google.cloud.documentai.v1.Document.BlobAssetOrBuilder>
+      getBlobAssetsOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The blob assets in this document. This is used to store the
+   * content of the inline blobs in this document, for example, image bytes,
+   * such that it can be referenced by other fields in the document via asset
+   * id.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1.Document.BlobAsset blob_assets = 19 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.documentai.v1.Document.BlobAssetOrBuilder getBlobAssetsOrBuilder(int index);
+
   /**
    *
    *
@@ -839,7 +920,7 @@ com.google.cloud.documentai.v1.Document.EntitiesRevisionOrBuilder getEntitiesRev
    * The entity revision ID that `document.entities` field is based on.
    * If this field is set and `entities_revisions` is not empty, the entities in
    * `document.entities` field are the entities in the entity revision with this
-   * ID and `document.entity_validation_output` field is the
+   * id and `document.entity_validation_output` field is the
    * `entity_validation_output` field in this entity revision.
    * </pre>
    *
@@ -856,7 +937,7 @@ com.google.cloud.documentai.v1.Document.EntitiesRevisionOrBuilder getEntitiesRev
    * The entity revision ID that `document.entities` field is based on.
    * If this field is set and `entities_revisions` is not empty, the entities in
    * `document.entities` field are the entities in the entity revision with this
-   * ID and `document.entity_validation_output` field is the
+   * id and `document.entity_validation_output` field is the
    * `entity_validation_output` field in this entity revision.
    * </pre>
    *
diff --git a/java-document-ai/proto-google-cloud-document-ai-v1/src/main/java/com/google/cloud/documentai/v1/DocumentProto.java b/java-document-ai/proto-google-cloud-document-ai-v1/src/main/java/com/google/cloud/documentai/v1/DocumentProto.java
index 1765c678db5a..309e49a1a1e7 100644
--- a/java-document-ai/proto-google-cloud-document-ai-v1/src/main/java/com/google/cloud/documentai/v1/DocumentProto.java
+++ b/java-document-ai/proto-google-cloud-document-ai-v1/src/main/java/com/google/cloud/documentai/v1/DocumentProto.java
@@ -188,6 +188,10 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_documentai_v1_Document_TextChange_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_documentai_v1_Document_TextChange_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1_Document_Annotations_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1_Document_Annotations_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_documentai_v1_Document_DocumentLayout_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
@@ -224,6 +228,10 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_documentai_v1_Document_DocumentLayout_DocumentLayoutBlock_LayoutListEntry_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_documentai_v1_Document_DocumentLayout_DocumentLayoutBlock_LayoutListEntry_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1_Document_DocumentLayout_DocumentLayoutBlock_LayoutImageBlock_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1_Document_DocumentLayout_DocumentLayoutBlock_LayoutImageBlock_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
@@ -244,6 +252,22 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_ChunkPageFooter_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_ChunkPageFooter_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_ImageChunkField_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_ImageChunkField_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_TableChunkField_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_TableChunkField_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_ChunkField_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_ChunkField_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1_Document_BlobAsset_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1_Document_BlobAsset_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_documentai_v1_Document_EntityValidationOutput_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
@@ -268,54 +292,57 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
       "\n"
           + ")google/cloud/documentai/v1/document.pr"
           + "oto\022\032google.cloud.documentai.v1\032\037google/"
-          + "api/field_behavior.proto\032(google/cloud/documentai/v1/barcode.proto\032)google/cloud"
-          + "/documentai/v1/geometry.proto\032\037google/pr"
-          + "otobuf/timestamp.proto\032\027google/rpc/statu"
-          + "s.proto\032\027google/type/color.proto\032\026google"
-          + "/type/date.proto\032\032google/type/datetime.proto\032\027google/type/money.proto\032"
-          + " google/type/postal_address.proto\"\240b\n"
+          + "api/field_behavior.proto\032\031google/api/res"
+          + "ource.proto\032(google/cloud/documentai/v1/barcode.proto\032)google/cloud/documentai/v"
+          + "1/geometry.proto\032\037google/protobuf/timest"
+          + "amp.proto\032\027google/rpc/status.proto\032\027goog"
+          + "le/type/color.proto\032\026google/type/date.pr"
+          + "oto\032\032google/type/datetime.proto\032\027google/type/money.proto\032"
+          + " google/type/postal_address.proto\"\234l\n"
           + "\010Document\022\022\n"
           + "\003uri\030\001 \001(\tB\003\340A\001H\000\022\026\n"
           + "\007content\030\002 \001(\014B\003\340A\001H\000\022\022\n"
           + "\005docid\030\017 \001(\tB\003\340A\001\022\021\n"
           + "\tmime_type\030\003 \001(\t\022\021\n"
           + "\004text\030\004 \001(\tB\003\340A\001\022C\n"
-          + "\013text_styles\030\005 \003(\0132"
-          + "*.google.cloud.documentai.v1.Document.StyleB\002\030\001\0228\n"
+          + "\013text_styles\030\005"
+          + " \003(\0132*.google.cloud.documentai.v1.Document.StyleB\002\030\001\0228\n"
           + "\005pages\030\006 \003(\0132).google.cloud.documentai.v1.Document.Page\022=\n"
           + "\010entities\030\007 \003(\0132+.google.cloud.documentai.v1.Document.Entity\022M\n"
-          + "\020entity_relations\030\010 \003(\01323.goo"
-          + "gle.cloud.documentai.v1.Document.EntityRelation\022E\n"
-          + "\014text_changes\030\016 \003(\0132/.google.c"
-          + "loud.documentai.v1.Document.TextChange\022B\n\n"
+          + "\020entity_relations\030\010"
+          + " \003(\01323.google.cloud.documentai.v1.Document.EntityRelation\022E\n"
+          + "\014text_changes\030\016"
+          + " \003(\0132/.google.cloud.documentai.v1.Document.TextChange\022B\n\n"
           + "shard_info\030\t \001(\0132..google.cloud.documentai.v1.Document.ShardInfo\022!\n"
           + "\005error\030\n"
           + " \001(\0132\022.google.rpc.Status\022@\n"
           + "\trevisions\030\r"
           + " \003(\0132-.google.cloud.documentai.v1.Document.Revision\022L\n"
-          + "\017document_layout\030\021 \001(\01323.googl"
-          + "e.cloud.documentai.v1.Document.DocumentLayout\022N\n"
-          + "\020chunked_document\030\022 \001(\01324.google"
-          + ".cloud.documentai.v1.Document.ChunkedDocument\022]\n"
-          + "\030entity_validation_output\030\025 \001(\0132"
-          + ";.google.cloud.documentai.v1.Document.EntityValidationOutput\022Q\n"
-          + "\022entities_revisions\030\026"
-          + " \003(\01325.google.cloud.documentai.v1.Document.EntitiesRevision\022\034\n"
+          + "\017document_layout\030\021"
+          + " \001(\01323.google.cloud.documentai.v1.Document.DocumentLayout\022N\n"
+          + "\020chunked_document\030\022"
+          + " \001(\01324.google.cloud.documentai.v1.Document.ChunkedDocument\022H\n"
+          + "\013blob_assets\030\023"
+          + " \003(\0132..google.cloud.documentai.v1.Document.BlobAssetB\003\340A\001\022]\n"
+          + "\030entity_validation_output\030\025 \001(\0132;.google.cloud.docu"
+          + "mentai.v1.Document.EntityValidationOutput\022Q\n"
+          + "\022entities_revisions\030\026 \003(\01325.google.c"
+          + "loud.documentai.v1.Document.EntitiesRevision\022\034\n"
           + "\024entities_revision_id\030\027 \001(\t\032J\n"
           + "\tShardInfo\022\023\n"
           + "\013shard_index\030\001 \001(\003\022\023\n"
           + "\013shard_count\030\002 \001(\003\022\023\n"
           + "\013text_offset\030\003 \001(\003\032\345\002\n"
           + "\005Style\022D\n"
-          + "\013text_anchor\030\001 \001(\013"
-          + "2/.google.cloud.documentai.v1.Document.TextAnchor\022!\n"
+          + "\013text_anchor\030\001"
+          + " \001(\0132/.google.cloud.documentai.v1.Document.TextAnchor\022!\n"
           + "\005color\030\002 \001(\0132\022.google.type.Color\022,\n"
           + "\020background_color\030\003 \001(\0132\022.google.type.Color\022\023\n"
           + "\013font_weight\030\004 \001(\t\022\022\n\n"
           + "text_style\030\005 \001(\t\022\027\n"
           + "\017text_decoration\030\006 \001(\t\022F\n"
-          + "\tfont_size\030\007"
-          + " \001(\01323.google.cloud.documentai.v1.Document.Style.FontSize\022\023\n"
+          + "\tfont_size\030\007 \001(\01323.g"
+          + "oogle.cloud.documentai.v1.Document.Style.FontSize\022\023\n"
           + "\013font_family\030\010 \001(\t\032&\n"
           + "\010FontSize\022\014\n"
           + "\004size\030\001 \001(\002\022\014\n"
@@ -325,30 +352,31 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\005image\030\r"
           + " \001(\0132/.google.cloud.documentai.v1.Document.Page.Image\022D\n\n"
           + "transforms\030\016 \003(\01320.google.cloud.documentai.v1.Document.Page.Matrix\022F\n"
-          + "\tdimension\030\002 \001(\01323.googl"
-          + "e.cloud.documentai.v1.Document.Page.Dimension\022@\n"
+          + "\tdimension\030\002"
+          + " \001(\01323.google.cloud.documentai.v1.Document.Page.Dimension\022@\n"
           + "\006layout\030\003 \001(\01320.google.cloud.documentai.v1.Document.Page.Layout\022V\n"
-          + "\022detected_languages\030\004 \003(\0132:.google.cloud.docum"
-          + "entai.v1.Document.Page.DetectedLanguage\022?\n"
+          + "\022detected_languages\030\004 \003(\013"
+          + "2:.google.cloud.documentai.v1.Document.Page.DetectedLanguage\022?\n"
           + "\006blocks\030\005 \003(\0132/.google.cloud.documentai.v1.Document.Page.Block\022G\n\n"
-          + "paragraphs\030\006"
-          + " \003(\01323.google.cloud.documentai.v1.Document.Page.Paragraph\022=\n"
+          + "paragraphs\030\006 \003(\01323.google.cloud"
+          + ".documentai.v1.Document.Page.Paragraph\022=\n"
           + "\005lines\030\007 \003(\0132..google.cloud.documentai.v1.Document.Page.Line\022?\n"
           + "\006tokens\030\010 \003(\0132/.google.cloud.documentai.v1.Document.Page.Token\022P\n"
-          + "\017visual_elements\030\t"
-          + " \003(\01327.google.cloud.documentai.v1.Document.Page.VisualElement\022?\n"
+          + "\017visual_elements\030\t \003(\01327.google"
+          + ".cloud.documentai.v1.Document.Page.VisualElement\022?\n"
           + "\006tables\030\n"
           + " \003(\0132/.google.cloud.documentai.v1.Document.Page.Table\022H\n"
-          + "\013form_fields\030\013 \003(\01323.goog"
-          + "le.cloud.documentai.v1.Document.Page.FormField\022A\n"
+          + "\013form_fields\030\013"
+          + " \003(\01323.google.cloud.documentai.v1.Document.Page.FormField\022A\n"
           + "\007symbols\030\014 \003(\01320.google.cloud.documentai.v1.Document.Page.Symbol\022T\n"
-          + "\021detected_barcodes\030\017 \003(\01329.google.cloud.docu"
-          + "mentai.v1.Document.Page.DetectedBarcode\022Z\n"
-          + "\024image_quality_scores\030\021 \001(\0132<.google.c"
-          + "loud.documentai.v1.Document.Page.ImageQualityScores\022G\n\n"
-          + "provenance\030\020 \001(\0132/.google"
-          + ".cloud.documentai.v1.Document.ProvenanceB\002\030\001\0328\n"
-          + "\tDimension\022\r\n"
+          + "\021detected_barcodes\030\017 \003("
+          + "\01329.google.cloud.documentai.v1.Document.Page.DetectedBarcode\022Z\n"
+          + "\024image_quality_scores\030\021"
+          + " \001(\0132<.google.cloud.documentai.v1.Document.Page.ImageQualityScores\022G\n\n"
+          + "provenance\030\020"
+          + " \001(\0132/.google.cloud.documentai.v1.Document.ProvenanceB\002\030\001\0328\n"
+          + "\tDimension\022\r"
+          + "\n"
           + "\005width\030\001 \001(\002\022\016\n"
           + "\006height\030\002 \001(\002\022\014\n"
           + "\004unit\030\003 \001(\t\032J\n"
@@ -363,12 +391,12 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\004type\030\003 \001(\005\022\014\n"
           + "\004data\030\004 \001(\014\032\335\002\n"
           + "\006Layout\022D\n"
-          + "\013text_anchor\030\001 \001(\0132/.g"
-          + "oogle.cloud.documentai.v1.Document.TextAnchor\022\022\n\n"
+          + "\013text_anchor\030\001"
+          + " \001(\0132/.google.cloud.documentai.v1.Document.TextAnchor\022\022\n\n"
           + "confidence\030\002 \001(\002\022?\n\r"
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-          + "\013orientation\030\004 \001(\0162<.google"
-          + ".cloud.documentai.v1.Document.Page.Layout.Orientation\"e\n"
+          + "\013orientation\030\004"
+          + " \001(\0162<.google.cloud.documentai.v1.Document.Page.Layout.Orientation\"e\n"
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           + "\007PAGE_UP\020\001\022\016\n\n"
@@ -377,36 +405,35 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
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-          + "mentai.v1.Document.Page.DetectedLanguage\022G\n\n"
-          + "provenance\030\003"
-          + " \001(\0132/.google.cloud.documentai.v1.Document.ProvenanceB\002\030\001\032\356\001\n"
+          + "\022detected_languages\030\002 \003("
+          + "\0132:.google.cloud.documentai.v1.Document.Page.DetectedLanguage\022G\n\n"
+          + "provenance\030\003 \001("
+          + "\0132/.google.cloud.documentai.v1.Document.ProvenanceB\002\030\001\032\356\001\n"
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-          + " \001(\0132/.google.cloud.documentai.v1.Document.ProvenanceB\002\030\001\032\351\001\n"
+          + "\022detected_languages\030\002 \003"
+          + "(\0132:.google.cloud.documentai.v1.Document.Page.DetectedLanguage\022G\n\n"
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-          + " \001(\0132/.google.cloud.documentai.v1.Document.ProvenanceB\002\030\001\032\236\007\n"
+          + "\022detected_languages\030\002 \003(\0132:"
+          + ".google.cloud.documentai.v1.Document.Page.DetectedLanguage\022G\n\n"
+          + "provenance\030\003 \001(\0132/"
+          + ".google.cloud.documentai.v1.Document.ProvenanceB\002\030\001\032\236\007\n"
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+          + "\016detected_break\030\002 \001(\0132=.google"
+          + ".cloud.documentai.v1.Document.Page.Token.DetectedBreak\022V\n"
+          + "\022detected_languages\030\003 \003"
+          + "(\0132:.google.cloud.documentai.v1.Document.Page.DetectedLanguage\022G\n\n"
+          + "provenance\030\004 \001"
+          + "(\0132/.google.cloud.documentai.v1.Document.ProvenanceB\002\030\001\022M\n\n"
+          + "style_info\030\005 \001(\01329.go"
+          + "ogle.cloud.documentai.v1.Document.Page.Token.StyleInfo\032\246\001\n\r"
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+          + "\017ImageChunkField\022\034\n\r"
+          + "blob_asset_id\030\001 \001(\tB\003\340A\001H\000\022\026\n"
+          + "\007gcs_uri\030\002 \001(\tB\003\340A\001H\000\022\027\n"
+          + "\010data_uri\030\003 \001(\tB\003\340A\001H\000\022E\n"
+          + "\013annotations\030\004"
+          + " \001(\01320.google.cloud.documentai.v1.Document.AnnotationsB\016\n"
+          + "\014image_source\032X\n"
+          + "\017TableChunkField\022E\n"
+          + "\013annotations\030\001"
+          + " \001(\01320.google.cloud.documentai.v1.Document.Annotations\032\354\001\n\n"
+          + "ChunkField\022g\n"
+          + "\021image_chunk_field\030\001 \001(\0132J.google.cloud."
+          + "documentai.v1.Document.ChunkedDocument.Chunk.ImageChunkFieldH\000\022g\n"
+          + "\021table_chunk_field\030\002 \001(\0132J.google.cloud.documentai.v1.D"
+          + "ocument.ChunkedDocument.Chunk.TableChunkFieldH\000B\014\n\n"
+          + "field_type\032K\n"
+          + "\tBlobAsset\022\025\n"
+          + "\010asset_id\030\001 \001(\tB\003\340A\001\022\024\n"
+          + "\007content\030\002 \001(\014B\003\340A\001\022\021\n"
+          + "\tmime_type\030\003 \001(\t\032\322\004\n"
           + "\026EntityValidationOutput\022h\n"
-          + "\022validation_results\030\001 \003(\0132L.google.cloud.documentai.v1."
-          + "Document.EntityValidationOutput.ValidationResult\022\026\n"
+          + "\022validation_results\030\001 \003(\0132L.goog"
+          + "le.cloud.documentai.v1.Document.EntityValidationOutput.ValidationResult\022\026\n"
           + "\016pass_all_rules\030\002 \001(\010\032\265\003\n"
           + "\020ValidationResult\022\021\n"
           + "\trule_name\030\001 \001(\t\022\030\n"
           + "\020rule_description\030\002 \001(\t\022\201\001\n"
-          + "\026validation_result_type\030\003 \001(\0162a.google.cloud.documentai.v1"
-          + ".Document.EntityValidationOutput.ValidationResult.ValidationResultType\022\032\n"
+          + "\026validation_result_type\030\003 \001(\0162a.goo"
+          + "gle.cloud.documentai.v1.Document.EntityV"
+          + "alidationOutput.ValidationResult.ValidationResultType\022\032\n"
           + "\022validation_details\030\004 \001(\t\"\323\001\n"
           + "\024ValidationResultType\022&\n"
           + "\"VALIDATION_RESULT_TYPE_UNSPECIFIED\020\000\022 \n"
@@ -678,20 +745,21 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\020EntitiesRevision\022\023\n"
           + "\013revision_id\030\001 \001(\t\022=\n"
           + "\010entities\030\002 \003(\0132+.google.cloud.documentai.v1.Document.Entity\022]\n"
-          + "\030entity_validation_output\030\003"
-          + " \001(\0132;.google.cloud.documentai.v1.Document.EntityValidationOutputB\010\n"
+          + "\030entity_validation_output\030\003 \001(\0132;.goo"
+          + "gle.cloud.documentai.v1.Document.EntityValidationOutputB\010\n"
           + "\006sourceB\313\001\n"
           + "\036com.google.cloud.documentai.v1B\r"
-          + "DocumentProtoP\001Z>cloud.google.com/go/docu"
-          + "mentai/apiv1/documentaipb;documentaipb\252\002"
-          + "\032Google.Cloud.DocumentAI.V1\312\002\032Google\\Clo"
-          + "ud\\DocumentAI\\V1\352\002\035Google::Cloud::DocumentAI::V1b\006proto3"
+          + "DocumentProtoP\001Z>cloud.google.com/go/documentai/apiv1/docu"
+          + "mentaipb;documentaipb\252\002\032Google.Cloud.Doc"
+          + "umentAI.V1\312\002\032Google\\Cloud\\DocumentAI\\V1\352"
+          + "\002\035Google::Cloud::DocumentAI::V1b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
             descriptorData,
             new com.google.protobuf.Descriptors.FileDescriptor[] {
               com.google.api.FieldBehaviorProto.getDescriptor(),
+              com.google.api.ResourceProto.getDescriptor(),
               com.google.cloud.documentai.v1.BarcodeProto.getDescriptor(),
               com.google.cloud.documentai.v1.GeometryProto.getDescriptor(),
               com.google.protobuf.TimestampProto.getDescriptor(),
@@ -723,6 +791,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Revisions",
               "DocumentLayout",
               "ChunkedDocument",
+              "BlobAssets",
               "EntityValidationOutput",
               "EntitiesRevisions",
               "EntitiesRevisionId",
@@ -1088,8 +1157,16 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             new java.lang.String[] {
               "TextAnchor", "ChangedText", "Provenance",
             });
-    internal_static_google_cloud_documentai_v1_Document_DocumentLayout_descriptor =
+    internal_static_google_cloud_documentai_v1_Document_Annotations_descriptor =
         internal_static_google_cloud_documentai_v1_Document_descriptor.getNestedType(10);
+    internal_static_google_cloud_documentai_v1_Document_Annotations_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1_Document_Annotations_descriptor,
+            new java.lang.String[] {
+              "Description",
+            });
+    internal_static_google_cloud_documentai_v1_Document_DocumentLayout_descriptor =
+        internal_static_google_cloud_documentai_v1_Document_descriptor.getNestedType(11);
     internal_static_google_cloud_documentai_v1_Document_DocumentLayout_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_documentai_v1_Document_DocumentLayout_descriptor,
@@ -1103,7 +1180,14 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_documentai_v1_Document_DocumentLayout_DocumentLayoutBlock_descriptor,
             new java.lang.String[] {
-              "TextBlock", "TableBlock", "ListBlock", "BlockId", "PageSpan", "BoundingBox", "Block",
+              "TextBlock",
+              "TableBlock",
+              "ListBlock",
+              "ImageBlock",
+              "BlockId",
+              "PageSpan",
+              "BoundingBox",
+              "Block",
             });
     internal_static_google_cloud_documentai_v1_Document_DocumentLayout_DocumentLayoutBlock_LayoutPageSpan_descriptor =
         internal_static_google_cloud_documentai_v1_Document_DocumentLayout_DocumentLayoutBlock_descriptor
@@ -1121,7 +1205,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_documentai_v1_Document_DocumentLayout_DocumentLayoutBlock_LayoutTextBlock_descriptor,
             new java.lang.String[] {
-              "Text", "Type", "Blocks",
+              "Text", "Type", "Blocks", "Annotations",
             });
     internal_static_google_cloud_documentai_v1_Document_DocumentLayout_DocumentLayoutBlock_LayoutTableBlock_descriptor =
         internal_static_google_cloud_documentai_v1_Document_DocumentLayout_DocumentLayoutBlock_descriptor
@@ -1130,7 +1214,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_documentai_v1_Document_DocumentLayout_DocumentLayoutBlock_LayoutTableBlock_descriptor,
             new java.lang.String[] {
-              "HeaderRows", "BodyRows", "Caption",
+              "HeaderRows", "BodyRows", "Caption", "Annotations",
             });
     internal_static_google_cloud_documentai_v1_Document_DocumentLayout_DocumentLayoutBlock_LayoutTableRow_descriptor =
         internal_static_google_cloud_documentai_v1_Document_DocumentLayout_DocumentLayoutBlock_descriptor
@@ -1168,8 +1252,23 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             new java.lang.String[] {
               "Blocks",
             });
+    internal_static_google_cloud_documentai_v1_Document_DocumentLayout_DocumentLayoutBlock_LayoutImageBlock_descriptor =
+        internal_static_google_cloud_documentai_v1_Document_DocumentLayout_DocumentLayoutBlock_descriptor
+            .getNestedType(7);
+    internal_static_google_cloud_documentai_v1_Document_DocumentLayout_DocumentLayoutBlock_LayoutImageBlock_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1_Document_DocumentLayout_DocumentLayoutBlock_LayoutImageBlock_descriptor,
+            new java.lang.String[] {
+              "BlobAssetId",
+              "GcsUri",
+              "DataUri",
+              "MimeType",
+              "ImageText",
+              "Annotations",
+              "ImageSource",
+            });
     internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_descriptor =
-        internal_static_google_cloud_documentai_v1_Document_descriptor.getNestedType(11);
+        internal_static_google_cloud_documentai_v1_Document_descriptor.getNestedType(12);
     internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_descriptor,
@@ -1183,7 +1282,13 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_descriptor,
             new java.lang.String[] {
-              "ChunkId", "SourceBlockIds", "Content", "PageSpan", "PageHeaders", "PageFooters",
+              "ChunkId",
+              "SourceBlockIds",
+              "Content",
+              "PageSpan",
+              "PageHeaders",
+              "PageFooters",
+              "ChunkFields",
             });
     internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_ChunkPageSpan_descriptor =
         internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_descriptor
@@ -1212,8 +1317,43 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             new java.lang.String[] {
               "Text", "PageSpan",
             });
+    internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_ImageChunkField_descriptor =
+        internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_descriptor
+            .getNestedType(3);
+    internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_ImageChunkField_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_ImageChunkField_descriptor,
+            new java.lang.String[] {
+              "BlobAssetId", "GcsUri", "DataUri", "Annotations", "ImageSource",
+            });
+    internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_TableChunkField_descriptor =
+        internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_descriptor
+            .getNestedType(4);
+    internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_TableChunkField_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_TableChunkField_descriptor,
+            new java.lang.String[] {
+              "Annotations",
+            });
+    internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_ChunkField_descriptor =
+        internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_descriptor
+            .getNestedType(5);
+    internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_ChunkField_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1_Document_ChunkedDocument_Chunk_ChunkField_descriptor,
+            new java.lang.String[] {
+              "ImageChunkField", "TableChunkField", "FieldType",
+            });
+    internal_static_google_cloud_documentai_v1_Document_BlobAsset_descriptor =
+        internal_static_google_cloud_documentai_v1_Document_descriptor.getNestedType(13);
+    internal_static_google_cloud_documentai_v1_Document_BlobAsset_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1_Document_BlobAsset_descriptor,
+            new java.lang.String[] {
+              "AssetId", "Content", "MimeType",
+            });
     internal_static_google_cloud_documentai_v1_Document_EntityValidationOutput_descriptor =
-        internal_static_google_cloud_documentai_v1_Document_descriptor.getNestedType(12);
+        internal_static_google_cloud_documentai_v1_Document_descriptor.getNestedType(14);
     internal_static_google_cloud_documentai_v1_Document_EntityValidationOutput_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_documentai_v1_Document_EntityValidationOutput_descriptor,
@@ -1230,7 +1370,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "RuleName", "RuleDescription", "ValidationResultType", "ValidationDetails",
             });
     internal_static_google_cloud_documentai_v1_Document_EntitiesRevision_descriptor =
-        internal_static_google_cloud_documentai_v1_Document_descriptor.getNestedType(13);
+        internal_static_google_cloud_documentai_v1_Document_descriptor.getNestedType(15);
     internal_static_google_cloud_documentai_v1_Document_EntitiesRevision_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_documentai_v1_Document_EntitiesRevision_descriptor,
@@ -1239,6 +1379,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             });
     descriptor.resolveAllFeaturesImmutable();
     com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.api.ResourceProto.getDescriptor();
     com.google.cloud.documentai.v1.BarcodeProto.getDescriptor();
     com.google.cloud.documentai.v1.GeometryProto.getDescriptor();
     com.google.protobuf.TimestampProto.getDescriptor();
diff --git a/java-document-ai/proto-google-cloud-document-ai-v1/src/main/proto/google/cloud/documentai/v1/document.proto b/java-document-ai/proto-google-cloud-document-ai-v1/src/main/proto/google/cloud/documentai/v1/document.proto
index 1eaad2a3c541..eed6c35b2381 100644
--- a/java-document-ai/proto-google-cloud-document-ai-v1/src/main/proto/google/cloud/documentai/v1/document.proto
+++ b/java-document-ai/proto-google-cloud-document-ai-v1/src/main/proto/google/cloud/documentai/v1/document.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -17,6 +17,7 @@ syntax = "proto3";
 package google.cloud.documentai.v1;
 
 import "google/api/field_behavior.proto";
+import "google/api/resource.proto";
 import "google/cloud/documentai/v1/barcode.proto";
 import "google/cloud/documentai/v1/geometry.proto";
 import "google/protobuf/timestamp.proto";
@@ -180,9 +181,9 @@ message Document {
 
       // Confidence of the current
       // [Layout][google.cloud.documentai.v1.Document.Page.Layout] within
-      // context of the object this layout is for. e.g. confidence can be for a
-      // single token, a table, a visual element, etc. depending on context.
-      // Range `[0, 1]`.
+      // context of the object this layout is for. For example, confidence can
+      // be for a single token, a table, a visual element, etc. depending on
+      // context. Range `[0, 1]`.
       float confidence = 2;
 
       // The bounding polygon for the
@@ -340,8 +341,8 @@ message Document {
       repeated DetectedLanguage detected_languages = 2;
     }
 
-    // Detected non-text visual elements e.g. checkbox, signature etc. on the
-    // page.
+    // Detected non-text visual elements, for example, checkbox, signature etc.
+    // on the page.
     message VisualElement {
       // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for
       // [VisualElement][google.cloud.documentai.v1.Document.Page.VisualElement].
@@ -400,7 +401,7 @@ message Document {
     message FormField {
       // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the
       // [FormField][google.cloud.documentai.v1.Document.Page.FormField] name.
-      // e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
+      // For example, `Address`, `Email`, `Grand total`, `Phone number`, etc.
       Layout field_name = 1;
 
       // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the
@@ -526,7 +527,7 @@ message Document {
     // A list of visually detected tokens on the page.
     repeated Token tokens = 8;
 
-    // A list of detected non-text visual elements e.g. checkbox,
+    // A list of detected non-text visual elements, for example, checkbox,
     // signature etc. on the page.
     repeated VisualElement visual_elements = 9;
 
@@ -586,6 +587,8 @@ message Document {
         // Float value.
         float float_value = 8;
 
+        // A signature - a graphical representation of a person's name,
+        // often used to sign a document.
         bool signature_value = 10;
       }
 
@@ -622,10 +625,11 @@ message Document {
     // [Document.text][google.cloud.documentai.v1.Document.text].
     TextAnchor text_anchor = 1 [(google.api.field_behavior) = OPTIONAL];
 
-    // Required. Entity type from a schema e.g. `Address`.
+    // Required. Entity type from a schema, for example, `Address`.
     string type = 2 [(google.api.field_behavior) = REQUIRED];
 
-    // Optional. Text value of the entity e.g. `1600 Amphitheatre Pkwy`.
+    // Optional. Text value of the entity, for example, `1600 Amphitheatre
+    // Pkwy`.
     string mention_text = 3 [(google.api.field_behavior) = OPTIONAL];
 
     // Optional. Deprecated.  Use `id` field instead.
@@ -643,9 +647,9 @@ message Document {
     string id = 7 [(google.api.field_behavior) = OPTIONAL];
 
     // Optional. Normalized entity value. Absent if the extracted value could
-    // not be converted or the type (e.g. address) is not supported for certain
-    // parsers. This field is also only populated for certain supported document
-    // types.
+    // not be converted or the type (for example, address) is not supported for
+    // certain parsers. This field is also only populated for certain supported
+    // document types.
     NormalizedValue normalized_value = 9
         [(google.api.field_behavior) = OPTIONAL];
 
@@ -854,7 +858,7 @@ message Document {
   message Revision {
     // Human Review information of the document.
     message HumanReview {
-      // Human review state. e.g. `requested`, `succeeded`, `rejected`.
+      // Human review state. For example, `requested`, `succeeded`, `rejected`.
       string state = 1;
 
       // A message providing more details about the current state of processing.
@@ -912,6 +916,12 @@ message Document {
     repeated Provenance provenance = 3 [deprecated = true];
   }
 
+  // Represents the annotation of a block or a chunk.
+  message Annotations {
+    // The description of the content with this annotation.
+    string description = 1;
+  }
+
   // Represents the parsed layout of a document as a collection of blocks that
   // the document is divided into.
   message DocumentLayout {
@@ -940,6 +950,9 @@ message Document {
         // A text block could further have child blocks.
         // Repeated blocks support further hierarchies and nested blocks.
         repeated DocumentLayoutBlock blocks = 3;
+
+        // Annotation of the text block.
+        Annotations annotations = 4;
       }
 
       // Represents a table type block.
@@ -952,6 +965,9 @@ message Document {
 
         // Table caption/title.
         string caption = 3;
+
+        // Annotation of the table block.
+        Annotations annotations = 4;
       }
 
       // Represents a row in a table.
@@ -990,6 +1006,37 @@ message Document {
         repeated DocumentLayoutBlock blocks = 1;
       }
 
+      // Represents an image type block.
+      message LayoutImageBlock {
+        // Source of the image.
+        oneof image_source {
+          // Optional. Asset id of the inline image. If set, find the image
+          // content in the blob_assets field.
+          string blob_asset_id = 4 [(google.api.field_behavior) = OPTIONAL];
+
+          // Optional. Google Cloud Storage uri of the image.
+          string gcs_uri = 5 [(google.api.field_behavior) = OPTIONAL];
+
+          // Optional. Data uri of the image.
+          // It is composed of four parts: a prefix (data:), a MIME type
+          // indicating the type of data, an optional base64 token if
+          // non-textual, and the data itself:
+          // data:[<mediatype>][;base64],<data>
+          string data_uri = 6 [(google.api.field_behavior) = OPTIONAL];
+        }
+
+        // Mime type of the image. An IANA published [media type (MIME type)]
+        // (https://www.iana.org/assignments/media-types/media-types.xhtml).
+        string mime_type = 1;
+
+        // Text extracted from the image using OCR or alt text describing the
+        // image.
+        string image_text = 2;
+
+        // Annotation of the image block.
+        Annotations annotations = 3;
+      }
+
       oneof block {
         // Block consisting of text content.
         LayoutTextBlock text_block = 2;
@@ -999,6 +1046,9 @@ message Document {
 
         // Block consisting of list content/structure.
         LayoutListBlock list_block = 4;
+
+        // Block consisting of image content.
+        LayoutImageBlock image_block = 7;
       }
 
       // ID of the block.
@@ -1046,6 +1096,48 @@ message Document {
         ChunkPageSpan page_span = 2;
       }
 
+      // The image chunk field in the chunk.
+      message ImageChunkField {
+        // Source of the image.
+        oneof image_source {
+          // Optional. Asset id of the inline image. If set, find the image
+          // content in the blob_assets field.
+          string blob_asset_id = 1 [(google.api.field_behavior) = OPTIONAL];
+
+          // Optional. Google Cloud Storage uri of the image.
+          string gcs_uri = 2 [(google.api.field_behavior) = OPTIONAL];
+
+          // Optional. Data uri of the image.
+          // It is composed of four parts: a prefix (data:), a MIME type
+          // indicating the type of data, an optional base64 token if
+          // non-textual, and the data itself:
+          // data:[<mediatype>][;base64],<data>
+          string data_uri = 3 [(google.api.field_behavior) = OPTIONAL];
+        }
+
+        // Annotation of the image chunk field.
+        Annotations annotations = 4;
+      }
+
+      // The table chunk field in the chunk.
+      message TableChunkField {
+        // Annotation of the table chunk field.
+        Annotations annotations = 1;
+      }
+
+      // The chunk field in the chunk. A chunk field could be one of the various
+      // types (for example, image, table) supported.
+      message ChunkField {
+        // The type of the chunk field.
+        oneof field_type {
+          // The image chunk field in the chunk.
+          ImageChunkField image_chunk_field = 1;
+
+          // The table chunk field in the chunk.
+          TableChunkField table_chunk_field = 2;
+        }
+      }
+
       // ID of the chunk.
       string chunk_id = 1;
 
@@ -1063,12 +1155,31 @@ message Document {
 
       // Page footers associated with the chunk.
       repeated ChunkPageFooter page_footers = 6;
+
+      // Chunk fields inside this chunk.
+      repeated ChunkField chunk_fields = 7;
     }
 
     // List of chunks.
     repeated Chunk chunks = 1;
   }
 
+  // Represents a blob asset. It's used to store the content of the inline blob
+  // in this document, for example, image bytes, such that it can be referenced
+  // by other fields in the document via asset ID.
+  message BlobAsset {
+    // Optional. The id of the blob asset.
+    string asset_id = 1 [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. The content of the blob asset, for example, image bytes.
+    bytes content = 2 [(google.api.field_behavior) = OPTIONAL];
+
+    // The mime type of the blob asset.
+    // An IANA published [media type (MIME
+    // type)](https://www.iana.org/assignments/media-types/media-types.xhtml).
+    string mime_type = 3;
+  }
+
   // The output of the validation given the document and the validation rules.
   message EntityValidationOutput {
     // Validation result for a single validation rule.
@@ -1186,6 +1297,12 @@ message Document {
   // Document chunked based on chunking config.
   ChunkedDocument chunked_document = 18;
 
+  // Optional. The blob assets in this document. This is used to store the
+  // content of the inline blobs in this document, for example, image bytes,
+  // such that it can be referenced by other fields in the document via asset
+  // id.
+  repeated BlobAsset blob_assets = 19 [(google.api.field_behavior) = OPTIONAL];
+
   // The entity validation output for the document. This is the validation
   // output for `document.entities` field.
   EntityValidationOutput entity_validation_output = 21;
@@ -1198,7 +1315,7 @@ message Document {
   // The entity revision ID that `document.entities` field is based on.
   // If this field is set and `entities_revisions` is not empty, the entities in
   // `document.entities` field are the entities in the entity revision with this
-  // ID and `document.entity_validation_output` field is the
+  // id and `document.entity_validation_output` field is the
   // `entity_validation_output` field in this entity revision.
   string entities_revision_id = 23;
 }
diff --git a/java-spanner/README.md b/java-spanner/README.md
index acf710386a2e..03914f98ef10 100644
--- a/java-spanner/README.md
+++ b/java-spanner/README.md
@@ -381,6 +381,7 @@ Samples are in the [`samples/`](https://github.com/googleapis/google-cloud-java/
 | List Databases Sample | [source code](https://github.com/googleapis/google-cloud-java/blob/main/samples/snippets/src/main/java/com/example/spanner/ListDatabasesSample.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-java&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/spanner/ListDatabasesSample.java) |
 | List Instance Config Operations Sample | [source code](https://github.com/googleapis/google-cloud-java/blob/main/samples/snippets/src/main/java/com/example/spanner/ListInstanceConfigOperationsSample.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-java&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/spanner/ListInstanceConfigOperationsSample.java) |
 | List Instance Configs Sample | [source code](https://github.com/googleapis/google-cloud-java/blob/main/samples/snippets/src/main/java/com/example/spanner/ListInstanceConfigsSample.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-java&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/spanner/ListInstanceConfigsSample.java) |
+| Mutable Credentials Example | [source code](https://github.com/googleapis/google-cloud-java/blob/main/samples/snippets/src/main/java/com/example/spanner/MutableCredentialsExample.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-java&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/spanner/MutableCredentialsExample.java) |
 | Pg Alter Sequence Sample | [source code](https://github.com/googleapis/google-cloud-java/blob/main/samples/snippets/src/main/java/com/example/spanner/PgAlterSequenceSample.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-java&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/spanner/PgAlterSequenceSample.java) |
 | Pg Async Query To List Async Example | [source code](https://github.com/googleapis/google-cloud-java/blob/main/samples/snippets/src/main/java/com/example/spanner/PgAsyncQueryToListAsyncExample.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-java&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/spanner/PgAsyncQueryToListAsyncExample.java) |
 | Pg Async Runner Example | [source code](https://github.com/googleapis/google-cloud-java/blob/main/samples/snippets/src/main/java/com/example/spanner/PgAsyncRunnerExample.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/google-cloud-java&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/spanner/PgAsyncRunnerExample.java) |
diff --git a/java-texttospeech/google-cloud-texttospeech/src/main/resources/META-INF/native-image/com.google.cloud.texttospeech.v1/reflect-config.json b/java-texttospeech/google-cloud-texttospeech/src/main/resources/META-INF/native-image/com.google.cloud.texttospeech.v1/reflect-config.json
index 736a5db6b31c..cda6534f695c 100644
--- a/java-texttospeech/google-cloud-texttospeech/src/main/resources/META-INF/native-image/com.google.cloud.texttospeech.v1/reflect-config.json
+++ b/java-texttospeech/google-cloud-texttospeech/src/main/resources/META-INF/native-image/com.google.cloud.texttospeech.v1/reflect-config.json
@@ -494,6 +494,60 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.texttospeech.v1.AdvancedVoiceOptions$HarmBlockThreshold",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.texttospeech.v1.AdvancedVoiceOptions$HarmCategory",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.texttospeech.v1.AdvancedVoiceOptions$SafetySetting",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.texttospeech.v1.AdvancedVoiceOptions$SafetySetting$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.texttospeech.v1.AdvancedVoiceOptions$SafetySettings",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.texttospeech.v1.AdvancedVoiceOptions$SafetySettings$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.texttospeech.v1.AudioConfig",
     "queryAllDeclaredConstructors": true,
diff --git a/java-texttospeech/google-cloud-texttospeech/src/main/resources/META-INF/native-image/com.google.cloud.texttospeech.v1beta1/reflect-config.json b/java-texttospeech/google-cloud-texttospeech/src/main/resources/META-INF/native-image/com.google.cloud.texttospeech.v1beta1/reflect-config.json
index a23c39a0a4ad..18a620da09f5 100644
--- a/java-texttospeech/google-cloud-texttospeech/src/main/resources/META-INF/native-image/com.google.cloud.texttospeech.v1beta1/reflect-config.json
+++ b/java-texttospeech/google-cloud-texttospeech/src/main/resources/META-INF/native-image/com.google.cloud.texttospeech.v1beta1/reflect-config.json
@@ -494,6 +494,60 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions$HarmBlockThreshold",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions$HarmCategory",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions$SafetySetting",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions$SafetySetting$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions$SafetySettings",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions$SafetySettings$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.texttospeech.v1beta1.AudioConfig",
     "queryAllDeclaredConstructors": true,
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/AdvancedVoiceOptions.java b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/AdvancedVoiceOptions.java
index 42363545de35..eae63f942d84 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/AdvancedVoiceOptions.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/AdvancedVoiceOptions.java
@@ -68,6 +68,2327 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
             com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.Builder.class);
   }
 
+  /**
+   *
+   *
+   * <pre>
+   * Harm categories that will block the content.
+   * </pre>
+   *
+   * Protobuf enum {@code google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory}
+   */
+  public enum HarmCategory implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * Default value. This value is unused.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_UNSPECIFIED = 0;</code>
+     */
+    HARM_CATEGORY_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * Content that promotes violence or incites hatred against individuals or
+     * groups based on certain attributes.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_HATE_SPEECH = 1;</code>
+     */
+    HARM_CATEGORY_HATE_SPEECH(1),
+    /**
+     *
+     *
+     * <pre>
+     * Content that promotes, facilitates, or enables dangerous activities.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_DANGEROUS_CONTENT = 2;</code>
+     */
+    HARM_CATEGORY_DANGEROUS_CONTENT(2),
+    /**
+     *
+     *
+     * <pre>
+     * Abusive, threatening, or content intended to bully, torment, or ridicule.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_HARASSMENT = 3;</code>
+     */
+    HARM_CATEGORY_HARASSMENT(3),
+    /**
+     *
+     *
+     * <pre>
+     * Content that contains sexually explicit material.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_SEXUALLY_EXPLICIT = 4;</code>
+     */
+    HARM_CATEGORY_SEXUALLY_EXPLICIT(4),
+    UNRECOGNIZED(-1),
+    ;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "HarmCategory");
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Default value. This value is unused.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_UNSPECIFIED = 0;</code>
+     */
+    public static final int HARM_CATEGORY_UNSPECIFIED_VALUE = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Content that promotes violence or incites hatred against individuals or
+     * groups based on certain attributes.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_HATE_SPEECH = 1;</code>
+     */
+    public static final int HARM_CATEGORY_HATE_SPEECH_VALUE = 1;
+
+    /**
+     *
+     *
+     * <pre>
+     * Content that promotes, facilitates, or enables dangerous activities.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_DANGEROUS_CONTENT = 2;</code>
+     */
+    public static final int HARM_CATEGORY_DANGEROUS_CONTENT_VALUE = 2;
+
+    /**
+     *
+     *
+     * <pre>
+     * Abusive, threatening, or content intended to bully, torment, or ridicule.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_HARASSMENT = 3;</code>
+     */
+    public static final int HARM_CATEGORY_HARASSMENT_VALUE = 3;
+
+    /**
+     *
+     *
+     * <pre>
+     * Content that contains sexually explicit material.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_SEXUALLY_EXPLICIT = 4;</code>
+     */
+    public static final int HARM_CATEGORY_SEXUALLY_EXPLICIT_VALUE = 4;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static HarmCategory valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static HarmCategory forNumber(int value) {
+      switch (value) {
+        case 0:
+          return HARM_CATEGORY_UNSPECIFIED;
+        case 1:
+          return HARM_CATEGORY_HATE_SPEECH;
+        case 2:
+          return HARM_CATEGORY_DANGEROUS_CONTENT;
+        case 3:
+          return HARM_CATEGORY_HARASSMENT;
+        case 4:
+          return HARM_CATEGORY_SEXUALLY_EXPLICIT;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<HarmCategory> internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<HarmCategory> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap<HarmCategory>() {
+          public HarmCategory findValueByNumber(int number) {
+            return HarmCategory.forNumber(number);
+          }
+        };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.getDescriptor()
+          .getEnumTypes()
+          .get(0);
+    }
+
+    private static final HarmCategory[] VALUES = values();
+
+    public static HarmCategory valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private HarmCategory(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory)
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Harm block thresholds for the safety settings.
+   * </pre>
+   *
+   * Protobuf enum {@code google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold}
+   */
+  public enum HarmBlockThreshold implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * The harm block threshold is unspecified.
+     * </pre>
+     *
+     * <code>HARM_BLOCK_THRESHOLD_UNSPECIFIED = 0;</code>
+     */
+    HARM_BLOCK_THRESHOLD_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * Block content with a low harm probability or higher.
+     * </pre>
+     *
+     * <code>BLOCK_LOW_AND_ABOVE = 1;</code>
+     */
+    BLOCK_LOW_AND_ABOVE(1),
+    /**
+     *
+     *
+     * <pre>
+     * Block content with a medium harm probability or higher.
+     * </pre>
+     *
+     * <code>BLOCK_MEDIUM_AND_ABOVE = 2;</code>
+     */
+    BLOCK_MEDIUM_AND_ABOVE(2),
+    /**
+     *
+     *
+     * <pre>
+     * Block content with a high harm probability.
+     * </pre>
+     *
+     * <code>BLOCK_ONLY_HIGH = 3;</code>
+     */
+    BLOCK_ONLY_HIGH(3),
+    /**
+     *
+     *
+     * <pre>
+     * Do not block any content, regardless of its harm probability.
+     * </pre>
+     *
+     * <code>BLOCK_NONE = 4;</code>
+     */
+    BLOCK_NONE(4),
+    /**
+     *
+     *
+     * <pre>
+     * Turn off the safety filter entirely.
+     * </pre>
+     *
+     * <code>OFF = 5;</code>
+     */
+    OFF(5),
+    UNRECOGNIZED(-1),
+    ;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "HarmBlockThreshold");
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The harm block threshold is unspecified.
+     * </pre>
+     *
+     * <code>HARM_BLOCK_THRESHOLD_UNSPECIFIED = 0;</code>
+     */
+    public static final int HARM_BLOCK_THRESHOLD_UNSPECIFIED_VALUE = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Block content with a low harm probability or higher.
+     * </pre>
+     *
+     * <code>BLOCK_LOW_AND_ABOVE = 1;</code>
+     */
+    public static final int BLOCK_LOW_AND_ABOVE_VALUE = 1;
+
+    /**
+     *
+     *
+     * <pre>
+     * Block content with a medium harm probability or higher.
+     * </pre>
+     *
+     * <code>BLOCK_MEDIUM_AND_ABOVE = 2;</code>
+     */
+    public static final int BLOCK_MEDIUM_AND_ABOVE_VALUE = 2;
+
+    /**
+     *
+     *
+     * <pre>
+     * Block content with a high harm probability.
+     * </pre>
+     *
+     * <code>BLOCK_ONLY_HIGH = 3;</code>
+     */
+    public static final int BLOCK_ONLY_HIGH_VALUE = 3;
+
+    /**
+     *
+     *
+     * <pre>
+     * Do not block any content, regardless of its harm probability.
+     * </pre>
+     *
+     * <code>BLOCK_NONE = 4;</code>
+     */
+    public static final int BLOCK_NONE_VALUE = 4;
+
+    /**
+     *
+     *
+     * <pre>
+     * Turn off the safety filter entirely.
+     * </pre>
+     *
+     * <code>OFF = 5;</code>
+     */
+    public static final int OFF_VALUE = 5;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static HarmBlockThreshold valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static HarmBlockThreshold forNumber(int value) {
+      switch (value) {
+        case 0:
+          return HARM_BLOCK_THRESHOLD_UNSPECIFIED;
+        case 1:
+          return BLOCK_LOW_AND_ABOVE;
+        case 2:
+          return BLOCK_MEDIUM_AND_ABOVE;
+        case 3:
+          return BLOCK_ONLY_HIGH;
+        case 4:
+          return BLOCK_NONE;
+        case 5:
+          return OFF;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<HarmBlockThreshold>
+        internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<HarmBlockThreshold>
+        internalValueMap =
+            new com.google.protobuf.Internal.EnumLiteMap<HarmBlockThreshold>() {
+              public HarmBlockThreshold findValueByNumber(int number) {
+                return HarmBlockThreshold.forNumber(number);
+              }
+            };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.getDescriptor()
+          .getEnumTypes()
+          .get(1);
+    }
+
+    private static final HarmBlockThreshold[] VALUES = values();
+
+    public static HarmBlockThreshold valueOf(
+        com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private HarmBlockThreshold(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold)
+  }
+
+  public interface SafetySettingOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * The harm category to apply the safety setting to.
+     * </pre>
+     *
+     * <code>.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory category = 1;</code>
+     *
+     * @return The enum numeric value on the wire for category.
+     */
+    int getCategoryValue();
+
+    /**
+     *
+     *
+     * <pre>
+     * The harm category to apply the safety setting to.
+     * </pre>
+     *
+     * <code>.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory category = 1;</code>
+     *
+     * @return The category.
+     */
+    com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory getCategory();
+
+    /**
+     *
+     *
+     * <pre>
+     * The harm block threshold for the safety setting.
+     * </pre>
+     *
+     * <code>.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold threshold = 2;
+     * </code>
+     *
+     * @return The enum numeric value on the wire for threshold.
+     */
+    int getThresholdValue();
+
+    /**
+     *
+     *
+     * <pre>
+     * The harm block threshold for the safety setting.
+     * </pre>
+     *
+     * <code>.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold threshold = 2;
+     * </code>
+     *
+     * @return The threshold.
+     */
+    com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold getThreshold();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Safety setting for a single harm category.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting}
+   */
+  public static final class SafetySetting extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting)
+      SafetySettingOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "SafetySetting");
+    }
+
+    // Use SafetySetting.newBuilder() to construct.
+    private SafetySetting(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private SafetySetting() {
+      category_ = 0;
+      threshold_ = 0;
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.texttospeech.v1.TextToSpeechProto
+          .internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySetting_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.texttospeech.v1.TextToSpeechProto
+          .internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySetting_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting.class,
+              com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting.Builder.class);
+    }
+
+    public static final int CATEGORY_FIELD_NUMBER = 1;
+    private int category_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * The harm category to apply the safety setting to.
+     * </pre>
+     *
+     * <code>.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory category = 1;</code>
+     *
+     * @return The enum numeric value on the wire for category.
+     */
+    @java.lang.Override
+    public int getCategoryValue() {
+      return category_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The harm category to apply the safety setting to.
+     * </pre>
+     *
+     * <code>.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory category = 1;</code>
+     *
+     * @return The category.
+     */
+    @java.lang.Override
+    public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory getCategory() {
+      com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory result =
+          com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory.forNumber(category_);
+      return result == null
+          ? com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory.UNRECOGNIZED
+          : result;
+    }
+
+    public static final int THRESHOLD_FIELD_NUMBER = 2;
+    private int threshold_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * The harm block threshold for the safety setting.
+     * </pre>
+     *
+     * <code>.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold threshold = 2;
+     * </code>
+     *
+     * @return The enum numeric value on the wire for threshold.
+     */
+    @java.lang.Override
+    public int getThresholdValue() {
+      return threshold_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The harm block threshold for the safety setting.
+     * </pre>
+     *
+     * <code>.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold threshold = 2;
+     * </code>
+     *
+     * @return The threshold.
+     */
+    @java.lang.Override
+    public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold getThreshold() {
+      com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold result =
+          com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold.forNumber(
+              threshold_);
+      return result == null
+          ? com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold.UNRECOGNIZED
+          : result;
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (category_
+          != com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory
+              .HARM_CATEGORY_UNSPECIFIED
+              .getNumber()) {
+        output.writeEnum(1, category_);
+      }
+      if (threshold_
+          != com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold
+              .HARM_BLOCK_THRESHOLD_UNSPECIFIED
+              .getNumber()) {
+        output.writeEnum(2, threshold_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (category_
+          != com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory
+              .HARM_CATEGORY_UNSPECIFIED
+              .getNumber()) {
+        size += com.google.protobuf.CodedOutputStream.computeEnumSize(1, category_);
+      }
+      if (threshold_
+          != com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold
+              .HARM_BLOCK_THRESHOLD_UNSPECIFIED
+              .getNumber()) {
+        size += com.google.protobuf.CodedOutputStream.computeEnumSize(2, threshold_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj instanceof com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting other =
+          (com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting) obj;
+
+      if (category_ != other.category_) return false;
+      if (threshold_ != other.threshold_) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + CATEGORY_FIELD_NUMBER;
+      hash = (53 * hash) + category_;
+      hash = (37 * hash) + THRESHOLD_FIELD_NUMBER;
+      hash = (53 * hash) + threshold_;
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting parseFrom(
+        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting parseFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Safety setting for a single harm category.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting)
+        com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettingOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.texttospeech.v1.TextToSpeechProto
+            .internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySetting_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.texttospeech.v1.TextToSpeechProto
+            .internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySetting_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting.class,
+                com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting.Builder.class);
+      }
+
+      // Construct using
+      // com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        category_ = 0;
+        threshold_ = 0;
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.texttospeech.v1.TextToSpeechProto
+            .internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySetting_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting
+          getDefaultInstanceForType() {
+        return com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting
+            .getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting build() {
+        com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting buildPartial() {
+        com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting result =
+            new com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartial0(
+          com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.category_ = category_;
+        }
+        if (((from_bitField0_ & 0x00000002) != 0)) {
+          result.threshold_ = threshold_;
+        }
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting) {
+          return mergeFrom(
+              (com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting other) {
+        if (other
+            == com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting
+                .getDefaultInstance()) return this;
+        if (other.category_ != 0) {
+          setCategoryValue(other.getCategoryValue());
+        }
+        if (other.threshold_ != 0) {
+          setThresholdValue(other.getThresholdValue());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 8:
+                {
+                  category_ = input.readEnum();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 8
+              case 16:
+                {
+                  threshold_ = input.readEnum();
+                  bitField0_ |= 0x00000002;
+                  break;
+                } // case 16
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private int category_ = 0;
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm category to apply the safety setting to.
+       * </pre>
+       *
+       * <code>.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory category = 1;</code>
+       *
+       * @return The enum numeric value on the wire for category.
+       */
+      @java.lang.Override
+      public int getCategoryValue() {
+        return category_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm category to apply the safety setting to.
+       * </pre>
+       *
+       * <code>.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory category = 1;</code>
+       *
+       * @param value The enum numeric value on the wire for category to set.
+       * @return This builder for chaining.
+       */
+      public Builder setCategoryValue(int value) {
+        category_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm category to apply the safety setting to.
+       * </pre>
+       *
+       * <code>.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory category = 1;</code>
+       *
+       * @return The category.
+       */
+      @java.lang.Override
+      public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory getCategory() {
+        com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory result =
+            com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory.forNumber(category_);
+        return result == null
+            ? com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory.UNRECOGNIZED
+            : result;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm category to apply the safety setting to.
+       * </pre>
+       *
+       * <code>.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory category = 1;</code>
+       *
+       * @param value The category to set.
+       * @return This builder for chaining.
+       */
+      public Builder setCategory(
+          com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        bitField0_ |= 0x00000001;
+        category_ = value.getNumber();
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm category to apply the safety setting to.
+       * </pre>
+       *
+       * <code>.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmCategory category = 1;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearCategory() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        category_ = 0;
+        onChanged();
+        return this;
+      }
+
+      private int threshold_ = 0;
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm block threshold for the safety setting.
+       * </pre>
+       *
+       * <code>.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold threshold = 2;
+       * </code>
+       *
+       * @return The enum numeric value on the wire for threshold.
+       */
+      @java.lang.Override
+      public int getThresholdValue() {
+        return threshold_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm block threshold for the safety setting.
+       * </pre>
+       *
+       * <code>.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold threshold = 2;
+       * </code>
+       *
+       * @param value The enum numeric value on the wire for threshold to set.
+       * @return This builder for chaining.
+       */
+      public Builder setThresholdValue(int value) {
+        threshold_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm block threshold for the safety setting.
+       * </pre>
+       *
+       * <code>.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold threshold = 2;
+       * </code>
+       *
+       * @return The threshold.
+       */
+      @java.lang.Override
+      public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold
+          getThreshold() {
+        com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold result =
+            com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold.forNumber(
+                threshold_);
+        return result == null
+            ? com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold.UNRECOGNIZED
+            : result;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm block threshold for the safety setting.
+       * </pre>
+       *
+       * <code>.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold threshold = 2;
+       * </code>
+       *
+       * @param value The threshold to set.
+       * @return This builder for chaining.
+       */
+      public Builder setThreshold(
+          com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        bitField0_ |= 0x00000002;
+        threshold_ = value.getNumber();
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm block threshold for the safety setting.
+       * </pre>
+       *
+       * <code>.google.cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold threshold = 2;
+       * </code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearThreshold() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        threshold_ = 0;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting)
+    private static final com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting();
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<SafetySetting> PARSER =
+        new com.google.protobuf.AbstractParser<SafetySetting>() {
+          @java.lang.Override
+          public SafetySetting parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<SafetySetting> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<SafetySetting> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  public interface SafetySettingsOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    java.util.List<com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting>
+        getSettingsList();
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting getSettings(int index);
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    int getSettingsCount();
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    java.util.List<
+            ? extends com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettingOrBuilder>
+        getSettingsOrBuilderList();
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettingOrBuilder
+        getSettingsOrBuilder(int index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Safety settings for the request.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings}
+   */
+  public static final class SafetySettings extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings)
+      SafetySettingsOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "SafetySettings");
+    }
+
+    // Use SafetySettings.newBuilder() to construct.
+    private SafetySettings(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private SafetySettings() {
+      settings_ = java.util.Collections.emptyList();
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.texttospeech.v1.TextToSpeechProto
+          .internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySettings_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.texttospeech.v1.TextToSpeechProto
+          .internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySettings_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings.class,
+              com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings.Builder.class);
+    }
+
+    public static final int SETTINGS_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private java.util.List<com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting>
+        settings_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    @java.lang.Override
+    public java.util.List<com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting>
+        getSettingsList() {
+      return settings_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    @java.lang.Override
+    public java.util.List<
+            ? extends com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettingOrBuilder>
+        getSettingsOrBuilderList() {
+      return settings_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    @java.lang.Override
+    public int getSettingsCount() {
+      return settings_.size();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting getSettings(
+        int index) {
+      return settings_.get(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettingOrBuilder
+        getSettingsOrBuilder(int index) {
+      return settings_.get(index);
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      for (int i = 0; i < settings_.size(); i++) {
+        output.writeMessage(1, settings_.get(i));
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      for (int i = 0; i < settings_.size(); i++) {
+        size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, settings_.get(i));
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj instanceof com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings other =
+          (com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings) obj;
+
+      if (!getSettingsList().equals(other.getSettingsList())) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      if (getSettingsCount() > 0) {
+        hash = (37 * hash) + SETTINGS_FIELD_NUMBER;
+        hash = (53 * hash) + getSettingsList().hashCode();
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings parseFrom(
+        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings parseFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Safety settings for the request.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings)
+        com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettingsOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.texttospeech.v1.TextToSpeechProto
+            .internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySettings_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.texttospeech.v1.TextToSpeechProto
+            .internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySettings_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings.class,
+                com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings.Builder.class);
+      }
+
+      // Construct using
+      // com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        if (settingsBuilder_ == null) {
+          settings_ = java.util.Collections.emptyList();
+        } else {
+          settings_ = null;
+          settingsBuilder_.clear();
+        }
+        bitField0_ = (bitField0_ & ~0x00000001);
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.texttospeech.v1.TextToSpeechProto
+            .internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySettings_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings
+          getDefaultInstanceForType() {
+        return com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings
+            .getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings build() {
+        com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings result =
+            buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings buildPartial() {
+        com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings result =
+            new com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings(this);
+        buildPartialRepeatedFields(result);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartialRepeatedFields(
+          com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings result) {
+        if (settingsBuilder_ == null) {
+          if (((bitField0_ & 0x00000001) != 0)) {
+            settings_ = java.util.Collections.unmodifiableList(settings_);
+            bitField0_ = (bitField0_ & ~0x00000001);
+          }
+          result.settings_ = settings_;
+        } else {
+          result.settings_ = settingsBuilder_.build();
+        }
+      }
+
+      private void buildPartial0(
+          com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings result) {
+        int from_bitField0_ = bitField0_;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings) {
+          return mergeFrom(
+              (com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings other) {
+        if (other
+            == com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings
+                .getDefaultInstance()) return this;
+        if (settingsBuilder_ == null) {
+          if (!other.settings_.isEmpty()) {
+            if (settings_.isEmpty()) {
+              settings_ = other.settings_;
+              bitField0_ = (bitField0_ & ~0x00000001);
+            } else {
+              ensureSettingsIsMutable();
+              settings_.addAll(other.settings_);
+            }
+            onChanged();
+          }
+        } else {
+          if (!other.settings_.isEmpty()) {
+            if (settingsBuilder_.isEmpty()) {
+              settingsBuilder_.dispose();
+              settingsBuilder_ = null;
+              settings_ = other.settings_;
+              bitField0_ = (bitField0_ & ~0x00000001);
+              settingsBuilder_ =
+                  com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                      ? internalGetSettingsFieldBuilder()
+                      : null;
+            } else {
+              settingsBuilder_.addAllMessages(other.settings_);
+            }
+          }
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting m =
+                      input.readMessage(
+                          com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting
+                              .parser(),
+                          extensionRegistry);
+                  if (settingsBuilder_ == null) {
+                    ensureSettingsIsMutable();
+                    settings_.add(m);
+                  } else {
+                    settingsBuilder_.addMessage(m);
+                  }
+                  break;
+                } // case 10
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private java.util.List<com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting>
+          settings_ = java.util.Collections.emptyList();
+
+      private void ensureSettingsIsMutable() {
+        if (!((bitField0_ & 0x00000001) != 0)) {
+          settings_ =
+              new java.util.ArrayList<
+                  com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting>(settings_);
+          bitField0_ |= 0x00000001;
+        }
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilder<
+              com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting,
+              com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting.Builder,
+              com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettingOrBuilder>
+          settingsBuilder_;
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public java.util.List<com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting>
+          getSettingsList() {
+        if (settingsBuilder_ == null) {
+          return java.util.Collections.unmodifiableList(settings_);
+        } else {
+          return settingsBuilder_.getMessageList();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public int getSettingsCount() {
+        if (settingsBuilder_ == null) {
+          return settings_.size();
+        } else {
+          return settingsBuilder_.getCount();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting getSettings(
+          int index) {
+        if (settingsBuilder_ == null) {
+          return settings_.get(index);
+        } else {
+          return settingsBuilder_.getMessage(index);
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public Builder setSettings(
+          int index, com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting value) {
+        if (settingsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureSettingsIsMutable();
+          settings_.set(index, value);
+          onChanged();
+        } else {
+          settingsBuilder_.setMessage(index, value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public Builder setSettings(
+          int index,
+          com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting.Builder
+              builderForValue) {
+        if (settingsBuilder_ == null) {
+          ensureSettingsIsMutable();
+          settings_.set(index, builderForValue.build());
+          onChanged();
+        } else {
+          settingsBuilder_.setMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public Builder addSettings(
+          com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting value) {
+        if (settingsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureSettingsIsMutable();
+          settings_.add(value);
+          onChanged();
+        } else {
+          settingsBuilder_.addMessage(value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public Builder addSettings(
+          int index, com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting value) {
+        if (settingsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureSettingsIsMutable();
+          settings_.add(index, value);
+          onChanged();
+        } else {
+          settingsBuilder_.addMessage(index, value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public Builder addSettings(
+          com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting.Builder
+              builderForValue) {
+        if (settingsBuilder_ == null) {
+          ensureSettingsIsMutable();
+          settings_.add(builderForValue.build());
+          onChanged();
+        } else {
+          settingsBuilder_.addMessage(builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public Builder addSettings(
+          int index,
+          com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting.Builder
+              builderForValue) {
+        if (settingsBuilder_ == null) {
+          ensureSettingsIsMutable();
+          settings_.add(index, builderForValue.build());
+          onChanged();
+        } else {
+          settingsBuilder_.addMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public Builder addAllSettings(
+          java.lang.Iterable<
+                  ? extends com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting>
+              values) {
+        if (settingsBuilder_ == null) {
+          ensureSettingsIsMutable();
+          com.google.protobuf.AbstractMessageLite.Builder.addAll(values, settings_);
+          onChanged();
+        } else {
+          settingsBuilder_.addAllMessages(values);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public Builder clearSettings() {
+        if (settingsBuilder_ == null) {
+          settings_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000001);
+          onChanged();
+        } else {
+          settingsBuilder_.clear();
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public Builder removeSettings(int index) {
+        if (settingsBuilder_ == null) {
+          ensureSettingsIsMutable();
+          settings_.remove(index);
+          onChanged();
+        } else {
+          settingsBuilder_.remove(index);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting.Builder
+          getSettingsBuilder(int index) {
+        return internalGetSettingsFieldBuilder().getBuilder(index);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettingOrBuilder
+          getSettingsOrBuilder(int index) {
+        if (settingsBuilder_ == null) {
+          return settings_.get(index);
+        } else {
+          return settingsBuilder_.getMessageOrBuilder(index);
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public java.util.List<
+              ? extends
+                  com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettingOrBuilder>
+          getSettingsOrBuilderList() {
+        if (settingsBuilder_ != null) {
+          return settingsBuilder_.getMessageOrBuilderList();
+        } else {
+          return java.util.Collections.unmodifiableList(settings_);
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting.Builder
+          addSettingsBuilder() {
+        return internalGetSettingsFieldBuilder()
+            .addBuilder(
+                com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting
+                    .getDefaultInstance());
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting.Builder
+          addSettingsBuilder(int index) {
+        return internalGetSettingsFieldBuilder()
+            .addBuilder(
+                index,
+                com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting
+                    .getDefaultInstance());
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public java.util.List<
+              com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting.Builder>
+          getSettingsBuilderList() {
+        return internalGetSettingsFieldBuilder().getBuilderList();
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilder<
+              com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting,
+              com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting.Builder,
+              com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettingOrBuilder>
+          internalGetSettingsFieldBuilder() {
+        if (settingsBuilder_ == null) {
+          settingsBuilder_ =
+              new com.google.protobuf.RepeatedFieldBuilder<
+                  com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting,
+                  com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySetting.Builder,
+                  com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettingOrBuilder>(
+                  settings_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
+          settings_ = null;
+        }
+        return settingsBuilder_;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings)
+    private static final com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings();
+    }
+
+    public static com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<SafetySettings> PARSER =
+        new com.google.protobuf.AbstractParser<SafetySettings>() {
+          @java.lang.Override
+          public SafetySettings parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<SafetySettings> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<SafetySettings> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
   private int bitField0_;
   public static final int LOW_LATENCY_JOURNEY_SYNTHESIS_FIELD_NUMBER = 1;
   private boolean lowLatencyJourneySynthesis_ = false;
@@ -76,58 +2397,165 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * Only for Journey voices. If false, the synthesis is context aware
-   * and has a higher latency.
+   * Only for Journey voices. If false, the synthesis is context aware
+   * and has a higher latency.
+   * </pre>
+   *
+   * <code>optional bool low_latency_journey_synthesis = 1;</code>
+   *
+   * @return Whether the lowLatencyJourneySynthesis field is set.
+   */
+  @java.lang.Override
+  public boolean hasLowLatencyJourneySynthesis() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Only for Journey voices. If false, the synthesis is context aware
+   * and has a higher latency.
+   * </pre>
+   *
+   * <code>optional bool low_latency_journey_synthesis = 1;</code>
+   *
+   * @return The lowLatencyJourneySynthesis.
+   */
+  @java.lang.Override
+  public boolean getLowLatencyJourneySynthesis() {
+    return lowLatencyJourneySynthesis_;
+  }
+
+  public static final int RELAX_SAFETY_FILTERS_FIELD_NUMBER = 8;
+  private boolean relaxSafetyFilters_ = false;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Input only. Deprecated, use safety_settings instead.
+   * If true, relaxes safety filters for Gemini TTS.
    * </pre>
    *
-   * <code>optional bool low_latency_journey_synthesis = 1;</code>
+   * <code>
+   * bool relax_safety_filters = 8 [deprecated = true, (.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
    *
-   * @return Whether the lowLatencyJourneySynthesis field is set.
+   * @deprecated google.cloud.texttospeech.v1.AdvancedVoiceOptions.relax_safety_filters is
+   *     deprecated. See google/cloud/texttospeech/v1/cloud_tts.proto;l=224
+   * @return The relaxSafetyFilters.
    */
   @java.lang.Override
-  public boolean hasLowLatencyJourneySynthesis() {
-    return ((bitField0_ & 0x00000001) != 0);
+  @java.lang.Deprecated
+  public boolean getRelaxSafetyFilters() {
+    return relaxSafetyFilters_;
   }
 
+  public static final int SAFETY_SETTINGS_FIELD_NUMBER = 9;
+  private com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings safetySettings_;
+
   /**
    *
    *
    * <pre>
-   * Only for Journey voices. If false, the synthesis is context aware
-   * and has a higher latency.
+   * Optional. Input only. This applies to Gemini TTS only. If set, the category
+   * specified in the safety setting will be blocked if the harm probability is
+   * above the threshold. Otherwise, the safety filter will be disabled by
+   * default.
    * </pre>
    *
-   * <code>optional bool low_latency_journey_synthesis = 1;</code>
+   * <code>
+   * .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
    *
-   * @return The lowLatencyJourneySynthesis.
+   * @return Whether the safetySettings field is set.
    */
   @java.lang.Override
-  public boolean getLowLatencyJourneySynthesis() {
-    return lowLatencyJourneySynthesis_;
+  public boolean hasSafetySettings() {
+    return ((bitField0_ & 0x00000002) != 0);
   }
 
-  public static final int RELAX_SAFETY_FILTERS_FIELD_NUMBER = 8;
-  private boolean relaxSafetyFilters_ = false;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Input only. This applies to Gemini TTS only. If set, the category
+   * specified in the safety setting will be blocked if the harm probability is
+   * above the threshold. Otherwise, the safety filter will be disabled by
+   * default.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The safetySettings.
+   */
+  @java.lang.Override
+  public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings getSafetySettings() {
+    return safetySettings_ == null
+        ? com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings.getDefaultInstance()
+        : safetySettings_;
+  }
 
   /**
    *
    *
    * <pre>
-   * Optional. Input only. If true, relaxes safety filters for Gemini TTS. Only
-   * supported for accounts linked to Invoiced (Offline) Cloud billing accounts.
-   * Otherwise, will return result
-   * [google.rpc.Code.INVALID_ARGUMENT][google.rpc.Code.INVALID_ARGUMENT].
+   * Optional. Input only. This applies to Gemini TTS only. If set, the category
+   * specified in the safety setting will be blocked if the harm probability is
+   * above the threshold. Otherwise, the safety filter will be disabled by
+   * default.
    * </pre>
    *
    * <code>
-   * bool relax_safety_filters = 8 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+   * .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
    * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettingsOrBuilder
+      getSafetySettingsOrBuilder() {
+    return safetySettings_ == null
+        ? com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings.getDefaultInstance()
+        : safetySettings_;
+  }
+
+  public static final int ENABLE_TEXTNORM_FIELD_NUMBER = 2;
+  private boolean enableTextnorm_ = false;
+
+  /**
    *
-   * @return The relaxSafetyFilters.
+   *
+   * <pre>
+   * Optional. If true, textnorm will be applied to text input. This feature is
+   * enabled by default. Only applies for Gemini TTS.
+   * </pre>
+   *
+   * <code>optional bool enable_textnorm = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the enableTextnorm field is set.
    */
   @java.lang.Override
-  public boolean getRelaxSafetyFilters() {
-    return relaxSafetyFilters_;
+  public boolean hasEnableTextnorm() {
+    return ((bitField0_ & 0x00000004) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. If true, textnorm will be applied to text input. This feature is
+   * enabled by default. Only applies for Gemini TTS.
+   * </pre>
+   *
+   * <code>optional bool enable_textnorm = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The enableTextnorm.
+   */
+  @java.lang.Override
+  public boolean getEnableTextnorm() {
+    return enableTextnorm_;
   }
 
   private byte memoizedIsInitialized = -1;
@@ -147,9 +2575,15 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeBool(1, lowLatencyJourneySynthesis_);
     }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      output.writeBool(2, enableTextnorm_);
+    }
     if (relaxSafetyFilters_ != false) {
       output.writeBool(8, relaxSafetyFilters_);
     }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(9, getSafetySettings());
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -162,9 +2596,15 @@ public int getSerializedSize() {
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeBoolSize(1, lowLatencyJourneySynthesis_);
     }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeBoolSize(2, enableTextnorm_);
+    }
     if (relaxSafetyFilters_ != false) {
       size += com.google.protobuf.CodedOutputStream.computeBoolSize(8, relaxSafetyFilters_);
     }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(9, getSafetySettings());
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -186,6 +2626,14 @@ public boolean equals(final java.lang.Object obj) {
       if (getLowLatencyJourneySynthesis() != other.getLowLatencyJourneySynthesis()) return false;
     }
     if (getRelaxSafetyFilters() != other.getRelaxSafetyFilters()) return false;
+    if (hasSafetySettings() != other.hasSafetySettings()) return false;
+    if (hasSafetySettings()) {
+      if (!getSafetySettings().equals(other.getSafetySettings())) return false;
+    }
+    if (hasEnableTextnorm() != other.hasEnableTextnorm()) return false;
+    if (hasEnableTextnorm()) {
+      if (getEnableTextnorm() != other.getEnableTextnorm()) return false;
+    }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -204,6 +2652,14 @@ public int hashCode() {
     }
     hash = (37 * hash) + RELAX_SAFETY_FILTERS_FIELD_NUMBER;
     hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getRelaxSafetyFilters());
+    if (hasSafetySettings()) {
+      hash = (37 * hash) + SAFETY_SETTINGS_FIELD_NUMBER;
+      hash = (53 * hash) + getSafetySettings().hashCode();
+    }
+    if (hasEnableTextnorm()) {
+      hash = (37 * hash) + ENABLE_TEXTNORM_FIELD_NUMBER;
+      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getEnableTextnorm());
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -335,10 +2791,19 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     // Construct using com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.newBuilder()
-    private Builder() {}
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
 
     private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetSafetySettingsFieldBuilder();
+      }
     }
 
     @java.lang.Override
@@ -347,6 +2812,12 @@ public Builder clear() {
       bitField0_ = 0;
       lowLatencyJourneySynthesis_ = false;
       relaxSafetyFilters_ = false;
+      safetySettings_ = null;
+      if (safetySettingsBuilder_ != null) {
+        safetySettingsBuilder_.dispose();
+        safetySettingsBuilder_ = null;
+      }
+      enableTextnorm_ = false;
       return this;
     }
 
@@ -391,6 +2862,15 @@ private void buildPartial0(com.google.cloud.texttospeech.v1.AdvancedVoiceOptions
       if (((from_bitField0_ & 0x00000002) != 0)) {
         result.relaxSafetyFilters_ = relaxSafetyFilters_;
       }
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.safetySettings_ =
+            safetySettingsBuilder_ == null ? safetySettings_ : safetySettingsBuilder_.build();
+        to_bitField0_ |= 0x00000002;
+      }
+      if (((from_bitField0_ & 0x00000008) != 0)) {
+        result.enableTextnorm_ = enableTextnorm_;
+        to_bitField0_ |= 0x00000004;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
@@ -413,6 +2893,12 @@ public Builder mergeFrom(com.google.cloud.texttospeech.v1.AdvancedVoiceOptions o
       if (other.getRelaxSafetyFilters() != false) {
         setRelaxSafetyFilters(other.getRelaxSafetyFilters());
       }
+      if (other.hasSafetySettings()) {
+        mergeSafetySettings(other.getSafetySettings());
+      }
+      if (other.hasEnableTextnorm()) {
+        setEnableTextnorm(other.getEnableTextnorm());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -445,12 +2931,25 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00000001;
                 break;
               } // case 8
+            case 16:
+              {
+                enableTextnorm_ = input.readBool();
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 16
             case 64:
               {
                 relaxSafetyFilters_ = input.readBool();
                 bitField0_ |= 0x00000002;
                 break;
               } // case 64
+            case 74:
+              {
+                input.readMessage(
+                    internalGetSafetySettingsFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 74
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -552,19 +3051,20 @@ public Builder clearLowLatencyJourneySynthesis() {
      *
      *
      * <pre>
-     * Optional. Input only. If true, relaxes safety filters for Gemini TTS. Only
-     * supported for accounts linked to Invoiced (Offline) Cloud billing accounts.
-     * Otherwise, will return result
-     * [google.rpc.Code.INVALID_ARGUMENT][google.rpc.Code.INVALID_ARGUMENT].
+     * Optional. Input only. Deprecated, use safety_settings instead.
+     * If true, relaxes safety filters for Gemini TTS.
      * </pre>
      *
      * <code>
-     * bool relax_safety_filters = 8 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * bool relax_safety_filters = 8 [deprecated = true, (.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
+     * @deprecated google.cloud.texttospeech.v1.AdvancedVoiceOptions.relax_safety_filters is
+     *     deprecated. See google/cloud/texttospeech/v1/cloud_tts.proto;l=224
      * @return The relaxSafetyFilters.
      */
     @java.lang.Override
+    @java.lang.Deprecated
     public boolean getRelaxSafetyFilters() {
       return relaxSafetyFilters_;
     }
@@ -573,19 +3073,20 @@ public boolean getRelaxSafetyFilters() {
      *
      *
      * <pre>
-     * Optional. Input only. If true, relaxes safety filters for Gemini TTS. Only
-     * supported for accounts linked to Invoiced (Offline) Cloud billing accounts.
-     * Otherwise, will return result
-     * [google.rpc.Code.INVALID_ARGUMENT][google.rpc.Code.INVALID_ARGUMENT].
+     * Optional. Input only. Deprecated, use safety_settings instead.
+     * If true, relaxes safety filters for Gemini TTS.
      * </pre>
      *
      * <code>
-     * bool relax_safety_filters = 8 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * bool relax_safety_filters = 8 [deprecated = true, (.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
+     * @deprecated google.cloud.texttospeech.v1.AdvancedVoiceOptions.relax_safety_filters is
+     *     deprecated. See google/cloud/texttospeech/v1/cloud_tts.proto;l=224
      * @param value The relaxSafetyFilters to set.
      * @return This builder for chaining.
      */
+    @java.lang.Deprecated
     public Builder setRelaxSafetyFilters(boolean value) {
 
       relaxSafetyFilters_ = value;
@@ -598,18 +3099,19 @@ public Builder setRelaxSafetyFilters(boolean value) {
      *
      *
      * <pre>
-     * Optional. Input only. If true, relaxes safety filters for Gemini TTS. Only
-     * supported for accounts linked to Invoiced (Offline) Cloud billing accounts.
-     * Otherwise, will return result
-     * [google.rpc.Code.INVALID_ARGUMENT][google.rpc.Code.INVALID_ARGUMENT].
+     * Optional. Input only. Deprecated, use safety_settings instead.
+     * If true, relaxes safety filters for Gemini TTS.
      * </pre>
      *
      * <code>
-     * bool relax_safety_filters = 8 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * bool relax_safety_filters = 8 [deprecated = true, (.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
+     * @deprecated google.cloud.texttospeech.v1.AdvancedVoiceOptions.relax_safety_filters is
+     *     deprecated. See google/cloud/texttospeech/v1/cloud_tts.proto;l=224
      * @return This builder for chaining.
      */
+    @java.lang.Deprecated
     public Builder clearRelaxSafetyFilters() {
       bitField0_ = (bitField0_ & ~0x00000002);
       relaxSafetyFilters_ = false;
@@ -617,6 +3119,332 @@ public Builder clearRelaxSafetyFilters() {
       return this;
     }
 
+    private com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings safetySettings_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings,
+            com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings.Builder,
+            com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettingsOrBuilder>
+        safetySettingsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. This applies to Gemini TTS only. If set, the category
+     * specified in the safety setting will be blocked if the harm probability is
+     * above the threshold. Otherwise, the safety filter will be disabled by
+     * default.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the safetySettings field is set.
+     */
+    public boolean hasSafetySettings() {
+      return ((bitField0_ & 0x00000004) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. This applies to Gemini TTS only. If set, the category
+     * specified in the safety setting will be blocked if the harm probability is
+     * above the threshold. Otherwise, the safety filter will be disabled by
+     * default.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The safetySettings.
+     */
+    public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings
+        getSafetySettings() {
+      if (safetySettingsBuilder_ == null) {
+        return safetySettings_ == null
+            ? com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings
+                .getDefaultInstance()
+            : safetySettings_;
+      } else {
+        return safetySettingsBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. This applies to Gemini TTS only. If set, the category
+     * specified in the safety setting will be blocked if the harm probability is
+     * above the threshold. Otherwise, the safety filter will be disabled by
+     * default.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setSafetySettings(
+        com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings value) {
+      if (safetySettingsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        safetySettings_ = value;
+      } else {
+        safetySettingsBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. This applies to Gemini TTS only. If set, the category
+     * specified in the safety setting will be blocked if the harm probability is
+     * above the threshold. Otherwise, the safety filter will be disabled by
+     * default.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setSafetySettings(
+        com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings.Builder
+            builderForValue) {
+      if (safetySettingsBuilder_ == null) {
+        safetySettings_ = builderForValue.build();
+      } else {
+        safetySettingsBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. This applies to Gemini TTS only. If set, the category
+     * specified in the safety setting will be blocked if the harm probability is
+     * above the threshold. Otherwise, the safety filter will be disabled by
+     * default.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeSafetySettings(
+        com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings value) {
+      if (safetySettingsBuilder_ == null) {
+        if (((bitField0_ & 0x00000004) != 0)
+            && safetySettings_ != null
+            && safetySettings_
+                != com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings
+                    .getDefaultInstance()) {
+          getSafetySettingsBuilder().mergeFrom(value);
+        } else {
+          safetySettings_ = value;
+        }
+      } else {
+        safetySettingsBuilder_.mergeFrom(value);
+      }
+      if (safetySettings_ != null) {
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. This applies to Gemini TTS only. If set, the category
+     * specified in the safety setting will be blocked if the harm probability is
+     * above the threshold. Otherwise, the safety filter will be disabled by
+     * default.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearSafetySettings() {
+      bitField0_ = (bitField0_ & ~0x00000004);
+      safetySettings_ = null;
+      if (safetySettingsBuilder_ != null) {
+        safetySettingsBuilder_.dispose();
+        safetySettingsBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. This applies to Gemini TTS only. If set, the category
+     * specified in the safety setting will be blocked if the harm probability is
+     * above the threshold. Otherwise, the safety filter will be disabled by
+     * default.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings.Builder
+        getSafetySettingsBuilder() {
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return internalGetSafetySettingsFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. This applies to Gemini TTS only. If set, the category
+     * specified in the safety setting will be blocked if the harm probability is
+     * above the threshold. Otherwise, the safety filter will be disabled by
+     * default.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettingsOrBuilder
+        getSafetySettingsOrBuilder() {
+      if (safetySettingsBuilder_ != null) {
+        return safetySettingsBuilder_.getMessageOrBuilder();
+      } else {
+        return safetySettings_ == null
+            ? com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings
+                .getDefaultInstance()
+            : safetySettings_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. This applies to Gemini TTS only. If set, the category
+     * specified in the safety setting will be blocked if the harm probability is
+     * above the threshold. Otherwise, the safety filter will be disabled by
+     * default.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings,
+            com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings.Builder,
+            com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettingsOrBuilder>
+        internalGetSafetySettingsFieldBuilder() {
+      if (safetySettingsBuilder_ == null) {
+        safetySettingsBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings,
+                com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings.Builder,
+                com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettingsOrBuilder>(
+                getSafetySettings(), getParentForChildren(), isClean());
+        safetySettings_ = null;
+      }
+      return safetySettingsBuilder_;
+    }
+
+    private boolean enableTextnorm_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If true, textnorm will be applied to text input. This feature is
+     * enabled by default. Only applies for Gemini TTS.
+     * </pre>
+     *
+     * <code>optional bool enable_textnorm = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the enableTextnorm field is set.
+     */
+    @java.lang.Override
+    public boolean hasEnableTextnorm() {
+      return ((bitField0_ & 0x00000008) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If true, textnorm will be applied to text input. This feature is
+     * enabled by default. Only applies for Gemini TTS.
+     * </pre>
+     *
+     * <code>optional bool enable_textnorm = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The enableTextnorm.
+     */
+    @java.lang.Override
+    public boolean getEnableTextnorm() {
+      return enableTextnorm_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If true, textnorm will be applied to text input. This feature is
+     * enabled by default. Only applies for Gemini TTS.
+     * </pre>
+     *
+     * <code>optional bool enable_textnorm = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The enableTextnorm to set.
+     * @return This builder for chaining.
+     */
+    public Builder setEnableTextnorm(boolean value) {
+
+      enableTextnorm_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If true, textnorm will be applied to text input. This feature is
+     * enabled by default. Only applies for Gemini TTS.
+     * </pre>
+     *
+     * <code>optional bool enable_textnorm = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearEnableTextnorm() {
+      bitField0_ = (bitField0_ & ~0x00000008);
+      enableTextnorm_ = false;
+      onChanged();
+      return this;
+    }
+
     // @@protoc_insertion_point(builder_scope:google.cloud.texttospeech.v1.AdvancedVoiceOptions)
   }
 
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/AdvancedVoiceOptionsOrBuilder.java b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/AdvancedVoiceOptionsOrBuilder.java
index 378d2c40d18b..d4dfa6b2409c 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/AdvancedVoiceOptionsOrBuilder.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/AdvancedVoiceOptionsOrBuilder.java
@@ -58,17 +58,99 @@ public interface AdvancedVoiceOptionsOrBuilder
    *
    *
    * <pre>
-   * Optional. Input only. If true, relaxes safety filters for Gemini TTS. Only
-   * supported for accounts linked to Invoiced (Offline) Cloud billing accounts.
-   * Otherwise, will return result
-   * [google.rpc.Code.INVALID_ARGUMENT][google.rpc.Code.INVALID_ARGUMENT].
+   * Optional. Input only. Deprecated, use safety_settings instead.
+   * If true, relaxes safety filters for Gemini TTS.
    * </pre>
    *
    * <code>
-   * bool relax_safety_filters = 8 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+   * bool relax_safety_filters = 8 [deprecated = true, (.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
    * </code>
    *
+   * @deprecated google.cloud.texttospeech.v1.AdvancedVoiceOptions.relax_safety_filters is
+   *     deprecated. See google/cloud/texttospeech/v1/cloud_tts.proto;l=224
    * @return The relaxSafetyFilters.
    */
+  @java.lang.Deprecated
   boolean getRelaxSafetyFilters();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Input only. This applies to Gemini TTS only. If set, the category
+   * specified in the safety setting will be blocked if the harm probability is
+   * above the threshold. Otherwise, the safety filter will be disabled by
+   * default.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the safetySettings field is set.
+   */
+  boolean hasSafetySettings();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Input only. This applies to Gemini TTS only. If set, the category
+   * specified in the safety setting will be blocked if the harm probability is
+   * above the threshold. Otherwise, the safety filter will be disabled by
+   * default.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The safetySettings.
+   */
+  com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings getSafetySettings();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Input only. This applies to Gemini TTS only. If set, the category
+   * specified in the safety setting will be blocked if the harm probability is
+   * above the threshold. Otherwise, the safety filter will be disabled by
+   * default.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettingsOrBuilder
+      getSafetySettingsOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. If true, textnorm will be applied to text input. This feature is
+   * enabled by default. Only applies for Gemini TTS.
+   * </pre>
+   *
+   * <code>optional bool enable_textnorm = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the enableTextnorm field is set.
+   */
+  boolean hasEnableTextnorm();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. If true, textnorm will be applied to text input. This feature is
+   * enabled by default. Only applies for Gemini TTS.
+   * </pre>
+   *
+   * <code>optional bool enable_textnorm = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The enableTextnorm.
+   */
+  boolean getEnableTextnorm();
 }
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/CustomVoiceParams.java b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/CustomVoiceParams.java
index 9515f875d8c2..8f11b5599deb 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/CustomVoiceParams.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/CustomVoiceParams.java
@@ -321,7 +321,7 @@ public com.google.protobuf.ByteString getModelBytes() {
    * </code>
    *
    * @deprecated google.cloud.texttospeech.v1.CustomVoiceParams.reported_usage is deprecated. See
-   *     google/cloud/texttospeech/v1/cloud_tts.proto;l=463
+   *     google/cloud/texttospeech/v1/cloud_tts.proto;l=531
    * @return The enum numeric value on the wire for reportedUsage.
    */
   @java.lang.Override
@@ -342,7 +342,7 @@ public int getReportedUsageValue() {
    * </code>
    *
    * @deprecated google.cloud.texttospeech.v1.CustomVoiceParams.reported_usage is deprecated. See
-   *     google/cloud/texttospeech/v1/cloud_tts.proto;l=463
+   *     google/cloud/texttospeech/v1/cloud_tts.proto;l=531
    * @return The reportedUsage.
    */
   @java.lang.Override
@@ -828,7 +828,7 @@ public Builder setModelBytes(com.google.protobuf.ByteString value) {
      * </code>
      *
      * @deprecated google.cloud.texttospeech.v1.CustomVoiceParams.reported_usage is deprecated. See
-     *     google/cloud/texttospeech/v1/cloud_tts.proto;l=463
+     *     google/cloud/texttospeech/v1/cloud_tts.proto;l=531
      * @return The enum numeric value on the wire for reportedUsage.
      */
     @java.lang.Override
@@ -849,7 +849,7 @@ public int getReportedUsageValue() {
      * </code>
      *
      * @deprecated google.cloud.texttospeech.v1.CustomVoiceParams.reported_usage is deprecated. See
-     *     google/cloud/texttospeech/v1/cloud_tts.proto;l=463
+     *     google/cloud/texttospeech/v1/cloud_tts.proto;l=531
      * @param value The enum numeric value on the wire for reportedUsage to set.
      * @return This builder for chaining.
      */
@@ -873,7 +873,7 @@ public Builder setReportedUsageValue(int value) {
      * </code>
      *
      * @deprecated google.cloud.texttospeech.v1.CustomVoiceParams.reported_usage is deprecated. See
-     *     google/cloud/texttospeech/v1/cloud_tts.proto;l=463
+     *     google/cloud/texttospeech/v1/cloud_tts.proto;l=531
      * @return The reportedUsage.
      */
     @java.lang.Override
@@ -899,7 +899,7 @@ public com.google.cloud.texttospeech.v1.CustomVoiceParams.ReportedUsage getRepor
      * </code>
      *
      * @deprecated google.cloud.texttospeech.v1.CustomVoiceParams.reported_usage is deprecated. See
-     *     google/cloud/texttospeech/v1/cloud_tts.proto;l=463
+     *     google/cloud/texttospeech/v1/cloud_tts.proto;l=531
      * @param value The reportedUsage to set.
      * @return This builder for chaining.
      */
@@ -927,7 +927,7 @@ public Builder setReportedUsage(
      * </code>
      *
      * @deprecated google.cloud.texttospeech.v1.CustomVoiceParams.reported_usage is deprecated. See
-     *     google/cloud/texttospeech/v1/cloud_tts.proto;l=463
+     *     google/cloud/texttospeech/v1/cloud_tts.proto;l=531
      * @return This builder for chaining.
      */
     @java.lang.Deprecated
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/CustomVoiceParamsOrBuilder.java b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/CustomVoiceParamsOrBuilder.java
index 2e3834e9d6ad..745ebcdb5c09 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/CustomVoiceParamsOrBuilder.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/CustomVoiceParamsOrBuilder.java
@@ -68,7 +68,7 @@ public interface CustomVoiceParamsOrBuilder
    * </code>
    *
    * @deprecated google.cloud.texttospeech.v1.CustomVoiceParams.reported_usage is deprecated. See
-   *     google/cloud/texttospeech/v1/cloud_tts.proto;l=463
+   *     google/cloud/texttospeech/v1/cloud_tts.proto;l=531
    * @return The enum numeric value on the wire for reportedUsage.
    */
   @java.lang.Deprecated
@@ -86,7 +86,7 @@ public interface CustomVoiceParamsOrBuilder
    * </code>
    *
    * @deprecated google.cloud.texttospeech.v1.CustomVoiceParams.reported_usage is deprecated. See
-   *     google/cloud/texttospeech/v1/cloud_tts.proto;l=463
+   *     google/cloud/texttospeech/v1/cloud_tts.proto;l=531
    * @return The reportedUsage.
    */
   @java.lang.Deprecated
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/StreamingSynthesisInput.java b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/StreamingSynthesisInput.java
index 6a0f571db3b1..0e086473cb20 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/StreamingSynthesisInput.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/StreamingSynthesisInput.java
@@ -209,8 +209,8 @@ public com.google.protobuf.ByteString getTextBytes() {
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -225,8 +225,8 @@ public boolean hasMarkup() {
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -254,8 +254,8 @@ public java.lang.String getMarkup() {
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -1005,8 +1005,8 @@ public Builder setTextBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1022,8 +1022,8 @@ public boolean hasMarkup() {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1052,8 +1052,8 @@ public java.lang.String getMarkup() {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1082,8 +1082,8 @@ public com.google.protobuf.ByteString getMarkupBytes() {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1105,8 +1105,8 @@ public Builder setMarkup(java.lang.String value) {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1126,8 +1126,8 @@ public Builder clearMarkup() {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/StreamingSynthesisInputOrBuilder.java b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/StreamingSynthesisInputOrBuilder.java
index 7c1a2edce5a0..5054d803b849 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/StreamingSynthesisInputOrBuilder.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/StreamingSynthesisInputOrBuilder.java
@@ -75,8 +75,8 @@ public interface StreamingSynthesisInputOrBuilder
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -89,8 +89,8 @@ public interface StreamingSynthesisInputOrBuilder
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -103,8 +103,8 @@ public interface StreamingSynthesisInputOrBuilder
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/StreamingSynthesizeConfig.java b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/StreamingSynthesizeConfig.java
index e4a83ac1fd45..571ad6c0f7d9 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/StreamingSynthesizeConfig.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/StreamingSynthesizeConfig.java
@@ -275,6 +275,66 @@ public com.google.cloud.texttospeech.v1.CustomPronunciations getCustomPronunciat
         : customPronunciations_;
   }
 
+  public static final int ADVANCED_VOICE_OPTIONS_FIELD_NUMBER = 7;
+  private com.google.cloud.texttospeech.v1.AdvancedVoiceOptions advancedVoiceOptions_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Advanced voice options.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the advancedVoiceOptions field is set.
+   */
+  @java.lang.Override
+  public boolean hasAdvancedVoiceOptions() {
+    return ((bitField0_ & 0x00000008) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Advanced voice options.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The advancedVoiceOptions.
+   */
+  @java.lang.Override
+  public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions getAdvancedVoiceOptions() {
+    return advancedVoiceOptions_ == null
+        ? com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.getDefaultInstance()
+        : advancedVoiceOptions_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Advanced voice options.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.texttospeech.v1.AdvancedVoiceOptionsOrBuilder
+      getAdvancedVoiceOptionsOrBuilder() {
+    return advancedVoiceOptions_ == null
+        ? com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.getDefaultInstance()
+        : advancedVoiceOptions_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -298,6 +358,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000004) != 0)) {
       output.writeMessage(5, getCustomPronunciations());
     }
+    if (((bitField0_ & 0x00000008) != 0)) {
+      output.writeMessage(7, getAdvancedVoiceOptions());
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -318,6 +381,10 @@ public int getSerializedSize() {
       size +=
           com.google.protobuf.CodedOutputStream.computeMessageSize(5, getCustomPronunciations());
     }
+    if (((bitField0_ & 0x00000008) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(7, getAdvancedVoiceOptions());
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -346,6 +413,10 @@ public boolean equals(final java.lang.Object obj) {
     if (hasCustomPronunciations()) {
       if (!getCustomPronunciations().equals(other.getCustomPronunciations())) return false;
     }
+    if (hasAdvancedVoiceOptions() != other.hasAdvancedVoiceOptions()) return false;
+    if (hasAdvancedVoiceOptions()) {
+      if (!getAdvancedVoiceOptions().equals(other.getAdvancedVoiceOptions())) return false;
+    }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -369,6 +440,10 @@ public int hashCode() {
       hash = (37 * hash) + CUSTOM_PRONUNCIATIONS_FIELD_NUMBER;
       hash = (53 * hash) + getCustomPronunciations().hashCode();
     }
+    if (hasAdvancedVoiceOptions()) {
+      hash = (37 * hash) + ADVANCED_VOICE_OPTIONS_FIELD_NUMBER;
+      hash = (53 * hash) + getAdvancedVoiceOptions().hashCode();
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -514,6 +589,7 @@ private void maybeForceBuilderInitialization() {
         internalGetVoiceFieldBuilder();
         internalGetStreamingAudioConfigFieldBuilder();
         internalGetCustomPronunciationsFieldBuilder();
+        internalGetAdvancedVoiceOptionsFieldBuilder();
       }
     }
 
@@ -536,6 +612,11 @@ public Builder clear() {
         customPronunciationsBuilder_.dispose();
         customPronunciationsBuilder_ = null;
       }
+      advancedVoiceOptions_ = null;
+      if (advancedVoiceOptionsBuilder_ != null) {
+        advancedVoiceOptionsBuilder_.dispose();
+        advancedVoiceOptionsBuilder_ = null;
+      }
       return this;
     }
 
@@ -591,6 +672,13 @@ private void buildPartial0(com.google.cloud.texttospeech.v1.StreamingSynthesizeC
                 : customPronunciationsBuilder_.build();
         to_bitField0_ |= 0x00000004;
       }
+      if (((from_bitField0_ & 0x00000008) != 0)) {
+        result.advancedVoiceOptions_ =
+            advancedVoiceOptionsBuilder_ == null
+                ? advancedVoiceOptions_
+                : advancedVoiceOptionsBuilder_.build();
+        to_bitField0_ |= 0x00000008;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
@@ -616,6 +704,9 @@ public Builder mergeFrom(com.google.cloud.texttospeech.v1.StreamingSynthesizeCon
       if (other.hasCustomPronunciations()) {
         mergeCustomPronunciations(other.getCustomPronunciations());
       }
+      if (other.hasAdvancedVoiceOptions()) {
+        mergeAdvancedVoiceOptions(other.getAdvancedVoiceOptions());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -662,6 +753,13 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00000004;
                 break;
               } // case 42
+            case 58:
+              {
+                input.readMessage(
+                    internalGetAdvancedVoiceOptionsFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 58
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -1412,6 +1510,224 @@ public Builder clearCustomPronunciations() {
       return customPronunciationsBuilder_;
     }
 
+    private com.google.cloud.texttospeech.v1.AdvancedVoiceOptions advancedVoiceOptions_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.texttospeech.v1.AdvancedVoiceOptions,
+            com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.Builder,
+            com.google.cloud.texttospeech.v1.AdvancedVoiceOptionsOrBuilder>
+        advancedVoiceOptionsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Advanced voice options.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the advancedVoiceOptions field is set.
+     */
+    public boolean hasAdvancedVoiceOptions() {
+      return ((bitField0_ & 0x00000008) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Advanced voice options.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The advancedVoiceOptions.
+     */
+    public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions getAdvancedVoiceOptions() {
+      if (advancedVoiceOptionsBuilder_ == null) {
+        return advancedVoiceOptions_ == null
+            ? com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.getDefaultInstance()
+            : advancedVoiceOptions_;
+      } else {
+        return advancedVoiceOptionsBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Advanced voice options.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setAdvancedVoiceOptions(
+        com.google.cloud.texttospeech.v1.AdvancedVoiceOptions value) {
+      if (advancedVoiceOptionsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        advancedVoiceOptions_ = value;
+      } else {
+        advancedVoiceOptionsBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Advanced voice options.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setAdvancedVoiceOptions(
+        com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.Builder builderForValue) {
+      if (advancedVoiceOptionsBuilder_ == null) {
+        advancedVoiceOptions_ = builderForValue.build();
+      } else {
+        advancedVoiceOptionsBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Advanced voice options.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeAdvancedVoiceOptions(
+        com.google.cloud.texttospeech.v1.AdvancedVoiceOptions value) {
+      if (advancedVoiceOptionsBuilder_ == null) {
+        if (((bitField0_ & 0x00000008) != 0)
+            && advancedVoiceOptions_ != null
+            && advancedVoiceOptions_
+                != com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.getDefaultInstance()) {
+          getAdvancedVoiceOptionsBuilder().mergeFrom(value);
+        } else {
+          advancedVoiceOptions_ = value;
+        }
+      } else {
+        advancedVoiceOptionsBuilder_.mergeFrom(value);
+      }
+      if (advancedVoiceOptions_ != null) {
+        bitField0_ |= 0x00000008;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Advanced voice options.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearAdvancedVoiceOptions() {
+      bitField0_ = (bitField0_ & ~0x00000008);
+      advancedVoiceOptions_ = null;
+      if (advancedVoiceOptionsBuilder_ != null) {
+        advancedVoiceOptionsBuilder_.dispose();
+        advancedVoiceOptionsBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Advanced voice options.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.Builder
+        getAdvancedVoiceOptionsBuilder() {
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return internalGetAdvancedVoiceOptionsFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Advanced voice options.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.texttospeech.v1.AdvancedVoiceOptionsOrBuilder
+        getAdvancedVoiceOptionsOrBuilder() {
+      if (advancedVoiceOptionsBuilder_ != null) {
+        return advancedVoiceOptionsBuilder_.getMessageOrBuilder();
+      } else {
+        return advancedVoiceOptions_ == null
+            ? com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.getDefaultInstance()
+            : advancedVoiceOptions_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Advanced voice options.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.texttospeech.v1.AdvancedVoiceOptions,
+            com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.Builder,
+            com.google.cloud.texttospeech.v1.AdvancedVoiceOptionsOrBuilder>
+        internalGetAdvancedVoiceOptionsFieldBuilder() {
+      if (advancedVoiceOptionsBuilder_ == null) {
+        advancedVoiceOptionsBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.texttospeech.v1.AdvancedVoiceOptions,
+                com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.Builder,
+                com.google.cloud.texttospeech.v1.AdvancedVoiceOptionsOrBuilder>(
+                getAdvancedVoiceOptions(), getParentForChildren(), isClean());
+        advancedVoiceOptions_ = null;
+      }
+      return advancedVoiceOptionsBuilder_;
+    }
+
     // @@protoc_insertion_point(builder_scope:google.cloud.texttospeech.v1.StreamingSynthesizeConfig)
   }
 
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/StreamingSynthesizeConfigOrBuilder.java b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/StreamingSynthesizeConfigOrBuilder.java
index ec37bcb05389..2366a910aba0 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/StreamingSynthesizeConfigOrBuilder.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/StreamingSynthesizeConfigOrBuilder.java
@@ -181,4 +181,47 @@ public interface StreamingSynthesizeConfigOrBuilder
    * </code>
    */
   com.google.cloud.texttospeech.v1.CustomPronunciationsOrBuilder getCustomPronunciationsOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Advanced voice options.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the advancedVoiceOptions field is set.
+   */
+  boolean hasAdvancedVoiceOptions();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Advanced voice options.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The advancedVoiceOptions.
+   */
+  com.google.cloud.texttospeech.v1.AdvancedVoiceOptions getAdvancedVoiceOptions();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Advanced voice options.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.texttospeech.v1.AdvancedVoiceOptionsOrBuilder getAdvancedVoiceOptionsOrBuilder();
 }
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/SynthesisInput.java b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/SynthesisInput.java
index c40ad0bc9e78..124ef3b80bac 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/SynthesisInput.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/SynthesisInput.java
@@ -209,8 +209,8 @@ public com.google.protobuf.ByteString getTextBytes() {
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -225,8 +225,8 @@ public boolean hasMarkup() {
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -254,8 +254,8 @@ public java.lang.String getMarkup() {
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -1248,8 +1248,8 @@ public Builder setTextBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1265,8 +1265,8 @@ public boolean hasMarkup() {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1295,8 +1295,8 @@ public java.lang.String getMarkup() {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1325,8 +1325,8 @@ public com.google.protobuf.ByteString getMarkupBytes() {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1348,8 +1348,8 @@ public Builder setMarkup(java.lang.String value) {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1369,8 +1369,8 @@ public Builder clearMarkup() {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/SynthesisInputOrBuilder.java b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/SynthesisInputOrBuilder.java
index cfad4773aa6e..3d2cd829c40f 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/SynthesisInputOrBuilder.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/SynthesisInputOrBuilder.java
@@ -69,8 +69,8 @@ public interface SynthesisInputOrBuilder
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -83,8 +83,8 @@ public interface SynthesisInputOrBuilder
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -97,8 +97,8 @@ public interface SynthesisInputOrBuilder
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/SynthesizeSpeechRequest.java b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/SynthesizeSpeechRequest.java
index 67512e9e969b..0bcf7ca22968 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/SynthesizeSpeechRequest.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/SynthesizeSpeechRequest.java
@@ -253,10 +253,11 @@ public com.google.cloud.texttospeech.v1.AudioConfigOrBuilder getAudioConfigOrBui
    *
    *
    * <pre>
-   * Advanced voice options.
+   * Optional. Advanced voice options.
    * </pre>
    *
-   * <code>optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8;
+   * <code>
+   * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
    * </code>
    *
    * @return Whether the advancedVoiceOptions field is set.
@@ -270,10 +271,11 @@ public boolean hasAdvancedVoiceOptions() {
    *
    *
    * <pre>
-   * Advanced voice options.
+   * Optional. Advanced voice options.
    * </pre>
    *
-   * <code>optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8;
+   * <code>
+   * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
    * </code>
    *
    * @return The advancedVoiceOptions.
@@ -289,10 +291,11 @@ public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions getAdvancedVoiceOpt
    *
    *
    * <pre>
-   * Advanced voice options.
+   * Optional. Advanced voice options.
    * </pre>
    *
-   * <code>optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8;
+   * <code>
+   * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
    * </code>
    */
   @java.lang.Override
@@ -1390,10 +1393,11 @@ public com.google.cloud.texttospeech.v1.AudioConfigOrBuilder getAudioConfigOrBui
      *
      *
      * <pre>
-     * Advanced voice options.
+     * Optional. Advanced voice options.
      * </pre>
      *
-     * <code>optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8;
+     * <code>
+     * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
      * @return Whether the advancedVoiceOptions field is set.
@@ -1406,10 +1410,11 @@ public boolean hasAdvancedVoiceOptions() {
      *
      *
      * <pre>
-     * Advanced voice options.
+     * Optional. Advanced voice options.
      * </pre>
      *
-     * <code>optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8;
+     * <code>
+     * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
      * @return The advancedVoiceOptions.
@@ -1428,10 +1433,11 @@ public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions getAdvancedVoiceOpt
      *
      *
      * <pre>
-     * Advanced voice options.
+     * Optional. Advanced voice options.
      * </pre>
      *
-     * <code>optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8;
+     * <code>
+     * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
     public Builder setAdvancedVoiceOptions(
@@ -1453,10 +1459,11 @@ public Builder setAdvancedVoiceOptions(
      *
      *
      * <pre>
-     * Advanced voice options.
+     * Optional. Advanced voice options.
      * </pre>
      *
-     * <code>optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8;
+     * <code>
+     * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
     public Builder setAdvancedVoiceOptions(
@@ -1475,10 +1482,11 @@ public Builder setAdvancedVoiceOptions(
      *
      *
      * <pre>
-     * Advanced voice options.
+     * Optional. Advanced voice options.
      * </pre>
      *
-     * <code>optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8;
+     * <code>
+     * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
     public Builder mergeAdvancedVoiceOptions(
@@ -1506,10 +1514,11 @@ public Builder mergeAdvancedVoiceOptions(
      *
      *
      * <pre>
-     * Advanced voice options.
+     * Optional. Advanced voice options.
      * </pre>
      *
-     * <code>optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8;
+     * <code>
+     * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
     public Builder clearAdvancedVoiceOptions() {
@@ -1527,10 +1536,11 @@ public Builder clearAdvancedVoiceOptions() {
      *
      *
      * <pre>
-     * Advanced voice options.
+     * Optional. Advanced voice options.
      * </pre>
      *
-     * <code>optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8;
+     * <code>
+     * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
     public com.google.cloud.texttospeech.v1.AdvancedVoiceOptions.Builder
@@ -1544,10 +1554,11 @@ public Builder clearAdvancedVoiceOptions() {
      *
      *
      * <pre>
-     * Advanced voice options.
+     * Optional. Advanced voice options.
      * </pre>
      *
-     * <code>optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8;
+     * <code>
+     * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
     public com.google.cloud.texttospeech.v1.AdvancedVoiceOptionsOrBuilder
@@ -1565,10 +1576,11 @@ public Builder clearAdvancedVoiceOptions() {
      *
      *
      * <pre>
-     * Advanced voice options.
+     * Optional. Advanced voice options.
      * </pre>
      *
-     * <code>optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8;
+     * <code>
+     * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
     private com.google.protobuf.SingleFieldBuilder<
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/SynthesizeSpeechRequestOrBuilder.java b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/SynthesizeSpeechRequestOrBuilder.java
index a363c1caa3fe..72c512a7104e 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/SynthesizeSpeechRequestOrBuilder.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/SynthesizeSpeechRequestOrBuilder.java
@@ -159,10 +159,11 @@ public interface SynthesizeSpeechRequestOrBuilder
    *
    *
    * <pre>
-   * Advanced voice options.
+   * Optional. Advanced voice options.
    * </pre>
    *
-   * <code>optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8;
+   * <code>
+   * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
    * </code>
    *
    * @return Whether the advancedVoiceOptions field is set.
@@ -173,10 +174,11 @@ public interface SynthesizeSpeechRequestOrBuilder
    *
    *
    * <pre>
-   * Advanced voice options.
+   * Optional. Advanced voice options.
    * </pre>
    *
-   * <code>optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8;
+   * <code>
+   * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
    * </code>
    *
    * @return The advancedVoiceOptions.
@@ -187,10 +189,11 @@ public interface SynthesizeSpeechRequestOrBuilder
    *
    *
    * <pre>
-   * Advanced voice options.
+   * Optional. Advanced voice options.
    * </pre>
    *
-   * <code>optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8;
+   * <code>
+   * optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
    * </code>
    */
   com.google.cloud.texttospeech.v1.AdvancedVoiceOptionsOrBuilder getAdvancedVoiceOptionsOrBuilder();
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/TextToSpeechProto.java b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/TextToSpeechProto.java
index 2d3a1a77a732..b1ec219e2325 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/TextToSpeechProto.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/TextToSpeechProto.java
@@ -56,6 +56,14 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySetting_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySetting_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySettings_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySettings_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_texttospeech_v1_SynthesizeSpeechRequest_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
@@ -151,25 +159,50 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\004name\030\002 \001(\t\022B\n"
           + "\013ssml_gender\030\003"
           + " \001(\0162-.google.cloud.texttospeech.v1.SsmlVoiceGender\022!\n"
-          + "\031natural_sample_rate_hertz\030\004 \001(\005\"\212\001\n"
+          + "\031natural_sample_rate_hertz\030\004 \001(\005\"\243\007\n"
           + "\024AdvancedVoiceOptions\022*\n"
-          + "\035low_latency_journey_synthesis\030\001 \001(\010H\000\210\001\001\022$\n"
-          + "\024relax_safety_filters\030\010 \001(\010B\006\340A\004\340A\001B \n"
-          + "\036_low_latency_journey_synthesis\"\335\002\n"
+          + "\035low_latency_journey_synthesis\030\001 \001(\010H\000\210\001\001\022&\n"
+          + "\024relax_safety_filters\030\010 \001(\010B\010\030\001\340A\004\340A\001\022b\n"
+          + "\017safety_settings\030\t \001(\013"
+          + "2A.google.cloud.texttospeech.v1.AdvancedVoiceOptions.SafetySettingsB\006\340A\004\340A\001\022!\n"
+          + "\017enable_textnorm\030\002 \001(\010B\003\340A\001H\001\210\001\001\032\274\001\n\r"
+          + "SafetySetting\022Q\n"
+          + "\010category\030\001 \001(\0162?.google.clou"
+          + "d.texttospeech.v1.AdvancedVoiceOptions.HarmCategory\022X\n"
+          + "\tthreshold\030\002 \001(\0162E.google."
+          + "cloud.texttospeech.v1.AdvancedVoiceOptions.HarmBlockThreshold\032d\n"
+          + "\016SafetySettings\022R\n"
+          + "\010settings\030\001 \003(\0132@.google.cloud.texttos"
+          + "peech.v1.AdvancedVoiceOptions.SafetySetting\"\264\001\n"
+          + "\014HarmCategory\022\035\n"
+          + "\031HARM_CATEGORY_UNSPECIFIED\020\000\022\035\n"
+          + "\031HARM_CATEGORY_HATE_SPEECH\020\001\022#\n"
+          + "\037HARM_CATEGORY_DANGEROUS_CONTENT\020\002\022\034\n"
+          + "\030HARM_CATEGORY_HARASSMENT\020\003\022#\n"
+          + "\037HARM_CATEGORY_SEXUALLY_EXPLICIT\020\004\"\235\001\n"
+          + "\022HarmBlockThreshold\022$\n"
+          + " HARM_BLOCK_THRESHOLD_UNSPECIFIED\020\000\022\027\n"
+          + "\023BLOCK_LOW_AND_ABOVE\020\001\022\032\n"
+          + "\026BLOCK_MEDIUM_AND_ABOVE\020\002\022\023\n"
+          + "\017BLOCK_ONLY_HIGH\020\003\022\016\n\n"
+          + "BLOCK_NONE\020\004\022\007\n"
+          + "\003OFF\020\005B \n"
+          + "\036_low_latency_journey_synthesisB\022\n"
+          + "\020_enable_textnorm\"\342\002\n"
           + "\027SynthesizeSpeechRequest\022@\n"
-          + "\005input\030\001"
-          + " \001(\0132,.google.cloud.texttospeech.v1.SynthesisInputB\003\340A\002\022F\n"
-          + "\005voice\030\002 \001(\01322.g"
-          + "oogle.cloud.texttospeech.v1.VoiceSelectionParamsB\003\340A\002\022D\n"
-          + "\014audio_config\030\003 \001(\0132).go"
-          + "ogle.cloud.texttospeech.v1.AudioConfigB\003\340A\002\022W\n"
-          + "\026advanced_voice_options\030\010 \001(\01322.go"
-          + "ogle.cloud.texttospeech.v1.AdvancedVoiceOptionsH\000\210\001\001B\031\n"
+          + "\005input\030\001 "
+          + "\001(\0132,.google.cloud.texttospeech.v1.SynthesisInputB\003\340A\002\022F\n"
+          + "\005voice\030\002 \001(\01322.google.c"
+          + "loud.texttospeech.v1.VoiceSelectionParamsB\003\340A\002\022D\n"
+          + "\014audio_config\030\003"
+          + " \001(\0132).google.cloud.texttospeech.v1.AudioConfigB\003\340A\002\022\\\n"
+          + "\026advanced_voice_options\030\010 \001(\01322.google.cl"
+          + "oud.texttospeech.v1.AdvancedVoiceOptionsB\003\340A\001H\000\210\001\001B\031\n"
           + "\027_advanced_voice_options\"\242\003\n"
           + "\031CustomPronunciationParams\022\023\n"
           + "\006phrase\030\001 \001(\tH\000\210\001\001\022h\n"
-          + "\021phonetic_encoding\030\002 \001(\0162H."
-          + "google.cloud.texttospeech.v1.CustomPronunciationParams.PhoneticEncodingH\001\210\001\001\022\032\n\r"
+          + "\021phonetic_encoding\030\002 \001(\0162H.go"
+          + "ogle.cloud.texttospeech.v1.CustomPronunciationParams.PhoneticEncodingH\001\210\001\001\022\032\n\r"
           + "pronunciation\030\003 \001(\tH\002\210\001\001\"\266\001\n"
           + "\020PhoneticEncoding\022!\n"
           + "\035PHONETIC_ENCODING_UNSPECIFIED\020\000\022\031\n"
@@ -181,11 +214,11 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\022_phonetic_encodingB\020\n"
           + "\016_pronunciation\"g\n"
           + "\024CustomPronunciations\022O\n"
-          + "\016pronunciations\030\001 \003(\01327.google.cl"
-          + "oud.texttospeech.v1.CustomPronunciationParams\"\220\001\n"
+          + "\016pronunciations\030\001 \003(\01327.google.clou"
+          + "d.texttospeech.v1.CustomPronunciationParams\"\220\001\n"
           + "\022MultiSpeakerMarkup\022I\n"
-          + "\005turns\030\001 "
-          + "\003(\01325.google.cloud.texttospeech.v1.MultiSpeakerMarkup.TurnB\003\340A\002\032/\n"
+          + "\005turns\030\001 \003("
+          + "\01325.google.cloud.texttospeech.v1.MultiSpeakerMarkup.TurnB\003\340A\002\032/\n"
           + "\004Turn\022\024\n"
           + "\007speaker\030\001 \001(\tB\003\340A\002\022\021\n"
           + "\004text\030\002 \001(\tB\003\340A\002\"P\n"
@@ -202,8 +235,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\024multi_speaker_markup\030\004"
           + " \001(\01320.google.cloud.texttospeech.v1.MultiSpeakerMarkupH\000\022\023\n"
           + "\006prompt\030\006 \001(\tH\001\210\001\001\022V\n"
-          + "\025custom_pronunciations\030\003 \001(\01322."
-          + "google.cloud.texttospeech.v1.CustomPronunciationsB\003\340A\001B\016\n"
+          + "\025custom_pronunciations\030\003 \001(\01322.go"
+          + "ogle.cloud.texttospeech.v1.CustomPronunciationsB\003\340A\001B\016\n"
           + "\014input_sourceB\t\n"
           + "\007_prompt\"\216\003\n"
           + "\024VoiceSelectionParams\022\032\n\r"
@@ -211,16 +244,16 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\004name\030\002 \001(\t\022B\n"
           + "\013ssml_gender\030\003"
           + " \001(\0162-.google.cloud.texttospeech.v1.SsmlVoiceGender\022E\n"
-          + "\014custom_voice\030\004 \001(\0132/"
-          + ".google.cloud.texttospeech.v1.CustomVoiceParams\022H\n"
-          + "\013voice_clone\030\005 \001(\0132..google.cl"
-          + "oud.texttospeech.v1.VoiceCloneParamsB\003\340A\001\022\027\n\n"
+          + "\014custom_voice\030\004 \001(\0132/.g"
+          + "oogle.cloud.texttospeech.v1.CustomVoiceParams\022H\n"
+          + "\013voice_clone\030\005 \001(\0132..google.clou"
+          + "d.texttospeech.v1.VoiceCloneParamsB\003\340A\001\022\027\n\n"
           + "model_name\030\006 \001(\tB\003\340A\001\022^\n"
-          + "\032multi_speaker_voice_config\030\007 \001(\01325.google.cloud.te"
-          + "xttospeech.v1.MultiSpeakerVoiceConfigB\003\340A\001\"\361\001\n"
+          + "\032multi_speaker_voice_config\030\007 \001(\01325.google.cloud.text"
+          + "tospeech.v1.MultiSpeakerVoiceConfigB\003\340A\001\"\361\001\n"
           + "\013AudioConfig\022H\n"
-          + "\016audio_encoding\030\001 \001"
-          + "(\0162+.google.cloud.texttospeech.v1.AudioEncodingB\003\340A\002\022\035\n\r"
+          + "\016audio_encoding\030\001 \001(\016"
+          + "2+.google.cloud.texttospeech.v1.AudioEncodingB\003\340A\002\022\035\n\r"
           + "speaking_rate\030\002 \001(\001B\006\340A\004\340A\001\022\025\n"
           + "\005pitch\030\003 \001(\001B\006\340A\004\340A\001\022\036\n"
           + "\016volume_gain_db\030\004 \001(\001B\006\340A\004\340A\001\022\036\n"
@@ -229,8 +262,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\021CustomVoiceParams\0222\n"
           + "\005model\030\001 \001(\tB#\340A\002\372A\035\n"
           + "\033automl.googleapis.com/Model\022\\\n"
-          + "\016reported_usage\030\003 \001(\0162=.google.cloud."
-          + "texttospeech.v1.CustomVoiceParams.ReportedUsageB\005\030\001\340A\001\"J\n\r"
+          + "\016reported_usage\030\003 \001(\0162=.google.cloud.te"
+          + "xttospeech.v1.CustomVoiceParams.ReportedUsageB\005\030\001\340A\001\"J\n\r"
           + "ReportedUsage\022\036\n"
           + "\032REPORTED_USAGE_UNSPECIFIED\020\000\022\014\n"
           + "\010REALTIME\020\001\022\013\n"
@@ -240,17 +273,20 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\030SynthesizeSpeechResponse\022\025\n\r"
           + "audio_content\030\001 \001(\014\"\237\001\n"
           + "\024StreamingAudioConfig\022H\n"
-          + "\016audio_encoding\030\001 \001"
-          + "(\0162+.google.cloud.texttospeech.v1.AudioEncodingB\003\340A\002\022\036\n"
+          + "\016audio_encoding\030\001 \001(\016"
+          + "2+.google.cloud.texttospeech.v1.AudioEncodingB\003\340A\002\022\036\n"
           + "\021sample_rate_hertz\030\002 \001(\005B\003\340A\001\022\035\n\r"
-          + "speaking_rate\030\003 \001(\001B\006\340A\004\340A\001\"\224\002\n"
+          + "speaking_rate\030\003 \001(\001B\006\340A\004\340A\001\"\215\003\n"
           + "\031StreamingSynthesizeConfig\022F\n"
-          + "\005voice\030\001 \001(\013"
-          + "22.google.cloud.texttospeech.v1.VoiceSelectionParamsB\003\340A\002\022W\n"
+          + "\005voice\030\001 \001(\01322"
+          + ".google.cloud.texttospeech.v1.VoiceSelectionParamsB\003\340A\002\022W\n"
           + "\026streaming_audio_config\030\004"
           + " \001(\01322.google.cloud.texttospeech.v1.StreamingAudioConfigB\003\340A\001\022V\n"
           + "\025custom_pronunciations\030\005"
-          + " \001(\01322.google.cloud.texttospeech.v1.CustomPronunciationsB\003\340A\001\"\275\001\n"
+          + " \001(\01322.google.cloud.texttospeech.v1.CustomPronunciationsB\003\340A\001\022\\\n"
+          + "\026advanced_voice_options\030\007 \001(\01322.google.cloud."
+          + "texttospeech.v1.AdvancedVoiceOptionsB\003\340A\001H\000\210\001\001B\031\n"
+          + "\027_advanced_voice_options\"\275\001\n"
           + "\027StreamingSynthesisInput\022\016\n"
           + "\004text\030\001 \001(\tH\000\022\020\n"
           + "\006markup\030\005 \001(\tH\000\022P\n"
@@ -260,10 +296,10 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\014input_sourceB\t\n"
           + "\007_prompt\"\316\001\n"
           + "\032StreamingSynthesizeRequest\022S\n"
-          + "\020streaming_config\030\001 "
-          + "\001(\01327.google.cloud.texttospeech.v1.StreamingSynthesizeConfigH\000\022F\n"
-          + "\005input\030\002 \001(\01325."
-          + "google.cloud.texttospeech.v1.StreamingSynthesisInputH\000B\023\n"
+          + "\020streaming_config\030\001 \001"
+          + "(\01327.google.cloud.texttospeech.v1.StreamingSynthesizeConfigH\000\022F\n"
+          + "\005input\030\002 \001(\01325.g"
+          + "oogle.cloud.texttospeech.v1.StreamingSynthesisInputH\000B\023\n"
           + "\021streaming_request\"4\n"
           + "\033StreamingSynthesizeResponse\022\025\n\r"
           + "audio_content\030\001 \001(\014*W\n"
@@ -282,24 +318,24 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\003PCM\020\007\022\007\n"
           + "\003M4A\020\0102\307\004\n"
           + "\014TextToSpeech\022\223\001\n\n"
-          + "ListVoices\022/.google.cloud.texttospe"
-          + "ech.v1.ListVoicesRequest\0320.google.cloud.texttospeech.v1.ListVoicesResponse\"\"\332A\r"
+          + "ListVoices\022/.google.cloud.texttospee"
+          + "ch.v1.ListVoicesRequest\0320.google.cloud.texttospeech.v1.ListVoicesResponse\"\"\332A\r"
           + "language_code\202\323\344\223\002\014\022\n"
           + "/v1/voices\022\274\001\n"
-          + "\020SynthesizeSpeech\0225.google.cloud.texttospeech."
-          + "v1.SynthesizeSpeechRequest\0326.google.cloud.texttospeech.v1.SynthesizeSpeechRespon"
-          + "se\"9\332A\030input,voice,audio_config\202\323\344\223\002\030\"\023/v1/text:synthesize:\001*\022\220\001\n"
-          + "\023StreamingSynthesize\0228.google.cloud.texttospeech.v1.Str"
-          + "eamingSynthesizeRequest\0329.google.cloud.texttospeech.v1.StreamingSynthesizeRespon"
-          + "se\"\000(\0010\001\032O\312A\033texttospeech.googleapis.com"
-          + "\322A.https://www.googleapis.com/auth/cloud-platformB\274\002\n"
-          + " com.google.cloud.texttospeech.v1B\021TextToSpeechProtoP\001ZDcloud.googl"
-          + "e.com/go/texttospeech/apiv1/texttospeech"
-          + "pb;texttospeechpb\242\002\004CTTS\252\002\034Google.Cloud."
-          + "TextToSpeech.V1\312\002\034Google\\Cloud\\TextToSpe"
-          + "ech\\V1\352\002\037Google::Cloud::TextToSpeech::V1\352AU\n"
-          + "\033automl.googleapis.com/Model\0226projects/{project}/locations/{location}/models"
-          + "/{model}b\006proto3"
+          + "\020SynthesizeSpeech\0225.google.cloud.texttospeech.v"
+          + "1.SynthesizeSpeechRequest\0326.google.cloud.texttospeech.v1.SynthesizeSpeechRespons"
+          + "e\"9\332A\030input,voice,audio_config\202\323\344\223\002\030\"\023/v1/text:synthesize:\001*\022\220\001\n"
+          + "\023StreamingSynthesize\0228.google.cloud.texttospeech.v1.Stre"
+          + "amingSynthesizeRequest\0329.google.cloud.texttospeech.v1.StreamingSynthesizeRespons"
+          + "e\"\000(\0010\001\032O\312A\033texttospeech.googleapis.com\322"
+          + "A.https://www.googleapis.com/auth/cloud-platformB\274\002\n"
+          + " com.google.cloud.texttospeech.v1B\021TextToSpeechProtoP\001ZDcloud.google"
+          + ".com/go/texttospeech/apiv1/texttospeechp"
+          + "b;texttospeechpb\242\002\004CTTS\252\002\034Google.Cloud.T"
+          + "extToSpeech.V1\312\002\034Google\\Cloud\\TextToSpee"
+          + "ch\\V1\352\002\037Google::Cloud::TextToSpeech::V1\352AU\n"
+          + "\033automl.googleapis.com/Model\0226projects/{project}/locations/{location}/models/"
+          + "{model}b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -340,7 +376,28 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_descriptor,
             new java.lang.String[] {
-              "LowLatencyJourneySynthesis", "RelaxSafetyFilters",
+              "LowLatencyJourneySynthesis",
+              "RelaxSafetyFilters",
+              "SafetySettings",
+              "EnableTextnorm",
+            });
+    internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySetting_descriptor =
+        internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_descriptor.getNestedType(
+            0);
+    internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySetting_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySetting_descriptor,
+            new java.lang.String[] {
+              "Category", "Threshold",
+            });
+    internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySettings_descriptor =
+        internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_descriptor.getNestedType(
+            1);
+    internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySettings_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_texttospeech_v1_AdvancedVoiceOptions_SafetySettings_descriptor,
+            new java.lang.String[] {
+              "Settings",
             });
     internal_static_google_cloud_texttospeech_v1_SynthesizeSpeechRequest_descriptor =
         getDescriptor().getMessageType(4);
@@ -477,7 +534,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_texttospeech_v1_StreamingSynthesizeConfig_descriptor,
             new java.lang.String[] {
-              "Voice", "StreamingAudioConfig", "CustomPronunciations",
+              "Voice", "StreamingAudioConfig", "CustomPronunciations", "AdvancedVoiceOptions",
             });
     internal_static_google_cloud_texttospeech_v1_StreamingSynthesisInput_descriptor =
         getDescriptor().getMessageType(18);
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/proto/google/cloud/texttospeech/v1/cloud_tts.proto b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/proto/google/cloud/texttospeech/v1/cloud_tts.proto
index a2715c818999..3de9cc439f51 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/proto/google/cloud/texttospeech/v1/cloud_tts.proto
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/proto/google/cloud/texttospeech/v1/cloud_tts.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -161,18 +161,85 @@ message Voice {
 
 // Used for advanced voice options.
 message AdvancedVoiceOptions {
+  // Safety setting for a single harm category.
+  message SafetySetting {
+    // The harm category to apply the safety setting to.
+    HarmCategory category = 1;
+
+    // The harm block threshold for the safety setting.
+    HarmBlockThreshold threshold = 2;
+  }
+
+  // Safety settings for the request.
+  message SafetySettings {
+    // The safety settings for the request.
+    repeated SafetySetting settings = 1;
+  }
+
+  // Harm categories that will block the content.
+  enum HarmCategory {
+    // Default value. This value is unused.
+    HARM_CATEGORY_UNSPECIFIED = 0;
+
+    // Content that promotes violence or incites hatred against individuals or
+    // groups based on certain attributes.
+    HARM_CATEGORY_HATE_SPEECH = 1;
+
+    // Content that promotes, facilitates, or enables dangerous activities.
+    HARM_CATEGORY_DANGEROUS_CONTENT = 2;
+
+    // Abusive, threatening, or content intended to bully, torment, or ridicule.
+    HARM_CATEGORY_HARASSMENT = 3;
+
+    // Content that contains sexually explicit material.
+    HARM_CATEGORY_SEXUALLY_EXPLICIT = 4;
+  }
+
+  // Harm block thresholds for the safety settings.
+  enum HarmBlockThreshold {
+    // The harm block threshold is unspecified.
+    HARM_BLOCK_THRESHOLD_UNSPECIFIED = 0;
+
+    // Block content with a low harm probability or higher.
+    BLOCK_LOW_AND_ABOVE = 1;
+
+    // Block content with a medium harm probability or higher.
+    BLOCK_MEDIUM_AND_ABOVE = 2;
+
+    // Block content with a high harm probability.
+    BLOCK_ONLY_HIGH = 3;
+
+    // Do not block any content, regardless of its harm probability.
+    BLOCK_NONE = 4;
+
+    // Turn off the safety filter entirely.
+    OFF = 5;
+  }
+
   // Only for Journey voices. If false, the synthesis is context aware
   // and has a higher latency.
   optional bool low_latency_journey_synthesis = 1;
 
-  // Optional. Input only. If true, relaxes safety filters for Gemini TTS. Only
-  // supported for accounts linked to Invoiced (Offline) Cloud billing accounts.
-  // Otherwise, will return result
-  // [google.rpc.Code.INVALID_ARGUMENT][google.rpc.Code.INVALID_ARGUMENT].
+  // Optional. Input only. Deprecated, use safety_settings instead.
+  // If true, relaxes safety filters for Gemini TTS.
   bool relax_safety_filters = 8 [
+    deprecated = true,
     (google.api.field_behavior) = INPUT_ONLY,
     (google.api.field_behavior) = OPTIONAL
   ];
+
+  // Optional. Input only. This applies to Gemini TTS only. If set, the category
+  // specified in the safety setting will be blocked if the harm probability is
+  // above the threshold. Otherwise, the safety filter will be disabled by
+  // default.
+  SafetySettings safety_settings = 9 [
+    (google.api.field_behavior) = INPUT_ONLY,
+    (google.api.field_behavior) = OPTIONAL
+  ];
+
+  // Optional. If true, textnorm will be applied to text input. This feature is
+  // enabled by default. Only applies for Gemini TTS.
+  optional bool enable_textnorm = 2 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // The top-level message sent by the client for the `SynthesizeSpeech` method.
@@ -186,8 +253,9 @@ message SynthesizeSpeechRequest {
   // Required. The configuration of the synthesized audio.
   AudioConfig audio_config = 3 [(google.api.field_behavior) = REQUIRED];
 
-  // Advanced voice options.
-  optional AdvancedVoiceOptions advanced_voice_options = 8;
+  // Optional. Advanced voice options.
+  optional AdvancedVoiceOptions advanced_voice_options = 8
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Pronunciation customization for a phrase.
@@ -296,8 +364,8 @@ message SynthesisInput {
     // The raw text to be synthesized.
     string text = 1;
 
-    // Markup for HD voices specifically. This field may not be used with any
-    // other voices.
+    // Markup for Chirp 3: HD voices specifically. This field may not be used
+    // with any other voices.
     string markup = 5;
 
     // The SSML document to be synthesized. The SSML document must be valid
@@ -522,6 +590,10 @@ message StreamingSynthesizeConfig {
   // be inside a phoneme tag.
   CustomPronunciations custom_pronunciations = 5
       [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Advanced voice options.
+  optional AdvancedVoiceOptions advanced_voice_options = 7
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Input to be synthesized.
@@ -532,8 +604,8 @@ message StreamingSynthesisInput {
     // in the output audio.
     string text = 1;
 
-    // Markup for HD voices specifically. This field may not be used with any
-    // other voices.
+    // Markup for Chirp 3: HD voices specifically. This field may not be used
+    // with any other voices.
     string markup = 5;
 
     // Multi-speaker markup for Gemini TTS. This field may not
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/proto/google/cloud/texttospeech/v1/cloud_tts_lrs.proto b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/proto/google/cloud/texttospeech/v1/cloud_tts_lrs.proto
index b226ac495809..3a663ab50302 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/proto/google/cloud/texttospeech/v1/cloud_tts_lrs.proto
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/proto/google/cloud/texttospeech/v1/cloud_tts_lrs.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/AdvancedVoiceOptions.java b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/AdvancedVoiceOptions.java
index b3fdf0d42f48..d87514a1b2ff 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/AdvancedVoiceOptions.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/AdvancedVoiceOptions.java
@@ -68,6 +68,2392 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
             com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.Builder.class);
   }
 
+  /**
+   *
+   *
+   * <pre>
+   * Harm categories that will block the content.
+   * </pre>
+   *
+   * Protobuf enum {@code google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory}
+   */
+  public enum HarmCategory implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * Default value. This value is unused.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_UNSPECIFIED = 0;</code>
+     */
+    HARM_CATEGORY_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * Content that promotes violence or incites hatred against individuals or
+     * groups based on certain attributes.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_HATE_SPEECH = 1;</code>
+     */
+    HARM_CATEGORY_HATE_SPEECH(1),
+    /**
+     *
+     *
+     * <pre>
+     * Content that promotes, facilitates, or enables dangerous activities.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_DANGEROUS_CONTENT = 2;</code>
+     */
+    HARM_CATEGORY_DANGEROUS_CONTENT(2),
+    /**
+     *
+     *
+     * <pre>
+     * Abusive, threatening, or content intended to bully, torment, or ridicule.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_HARASSMENT = 3;</code>
+     */
+    HARM_CATEGORY_HARASSMENT(3),
+    /**
+     *
+     *
+     * <pre>
+     * Content that contains sexually explicit material.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_SEXUALLY_EXPLICIT = 4;</code>
+     */
+    HARM_CATEGORY_SEXUALLY_EXPLICIT(4),
+    UNRECOGNIZED(-1),
+    ;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "HarmCategory");
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Default value. This value is unused.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_UNSPECIFIED = 0;</code>
+     */
+    public static final int HARM_CATEGORY_UNSPECIFIED_VALUE = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Content that promotes violence or incites hatred against individuals or
+     * groups based on certain attributes.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_HATE_SPEECH = 1;</code>
+     */
+    public static final int HARM_CATEGORY_HATE_SPEECH_VALUE = 1;
+
+    /**
+     *
+     *
+     * <pre>
+     * Content that promotes, facilitates, or enables dangerous activities.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_DANGEROUS_CONTENT = 2;</code>
+     */
+    public static final int HARM_CATEGORY_DANGEROUS_CONTENT_VALUE = 2;
+
+    /**
+     *
+     *
+     * <pre>
+     * Abusive, threatening, or content intended to bully, torment, or ridicule.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_HARASSMENT = 3;</code>
+     */
+    public static final int HARM_CATEGORY_HARASSMENT_VALUE = 3;
+
+    /**
+     *
+     *
+     * <pre>
+     * Content that contains sexually explicit material.
+     * </pre>
+     *
+     * <code>HARM_CATEGORY_SEXUALLY_EXPLICIT = 4;</code>
+     */
+    public static final int HARM_CATEGORY_SEXUALLY_EXPLICIT_VALUE = 4;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static HarmCategory valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static HarmCategory forNumber(int value) {
+      switch (value) {
+        case 0:
+          return HARM_CATEGORY_UNSPECIFIED;
+        case 1:
+          return HARM_CATEGORY_HATE_SPEECH;
+        case 2:
+          return HARM_CATEGORY_DANGEROUS_CONTENT;
+        case 3:
+          return HARM_CATEGORY_HARASSMENT;
+        case 4:
+          return HARM_CATEGORY_SEXUALLY_EXPLICIT;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<HarmCategory> internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<HarmCategory> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap<HarmCategory>() {
+          public HarmCategory findValueByNumber(int number) {
+            return HarmCategory.forNumber(number);
+          }
+        };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.getDescriptor()
+          .getEnumTypes()
+          .get(0);
+    }
+
+    private static final HarmCategory[] VALUES = values();
+
+    public static HarmCategory valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private HarmCategory(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory)
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Harm block thresholds for the safety settings.
+   * </pre>
+   *
+   * Protobuf enum {@code google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold}
+   */
+  public enum HarmBlockThreshold implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * The harm block threshold is unspecified.
+     * </pre>
+     *
+     * <code>HARM_BLOCK_THRESHOLD_UNSPECIFIED = 0;</code>
+     */
+    HARM_BLOCK_THRESHOLD_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * Block content with a low harm probability or higher.
+     * </pre>
+     *
+     * <code>BLOCK_LOW_AND_ABOVE = 1;</code>
+     */
+    BLOCK_LOW_AND_ABOVE(1),
+    /**
+     *
+     *
+     * <pre>
+     * Block content with a medium harm probability or higher.
+     * </pre>
+     *
+     * <code>BLOCK_MEDIUM_AND_ABOVE = 2;</code>
+     */
+    BLOCK_MEDIUM_AND_ABOVE(2),
+    /**
+     *
+     *
+     * <pre>
+     * Block content with a high harm probability.
+     * </pre>
+     *
+     * <code>BLOCK_ONLY_HIGH = 3;</code>
+     */
+    BLOCK_ONLY_HIGH(3),
+    /**
+     *
+     *
+     * <pre>
+     * Do not block any content, regardless of its harm probability.
+     * </pre>
+     *
+     * <code>BLOCK_NONE = 4;</code>
+     */
+    BLOCK_NONE(4),
+    /**
+     *
+     *
+     * <pre>
+     * Turn off the safety filter entirely.
+     * </pre>
+     *
+     * <code>OFF = 5;</code>
+     */
+    OFF(5),
+    UNRECOGNIZED(-1),
+    ;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "HarmBlockThreshold");
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The harm block threshold is unspecified.
+     * </pre>
+     *
+     * <code>HARM_BLOCK_THRESHOLD_UNSPECIFIED = 0;</code>
+     */
+    public static final int HARM_BLOCK_THRESHOLD_UNSPECIFIED_VALUE = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Block content with a low harm probability or higher.
+     * </pre>
+     *
+     * <code>BLOCK_LOW_AND_ABOVE = 1;</code>
+     */
+    public static final int BLOCK_LOW_AND_ABOVE_VALUE = 1;
+
+    /**
+     *
+     *
+     * <pre>
+     * Block content with a medium harm probability or higher.
+     * </pre>
+     *
+     * <code>BLOCK_MEDIUM_AND_ABOVE = 2;</code>
+     */
+    public static final int BLOCK_MEDIUM_AND_ABOVE_VALUE = 2;
+
+    /**
+     *
+     *
+     * <pre>
+     * Block content with a high harm probability.
+     * </pre>
+     *
+     * <code>BLOCK_ONLY_HIGH = 3;</code>
+     */
+    public static final int BLOCK_ONLY_HIGH_VALUE = 3;
+
+    /**
+     *
+     *
+     * <pre>
+     * Do not block any content, regardless of its harm probability.
+     * </pre>
+     *
+     * <code>BLOCK_NONE = 4;</code>
+     */
+    public static final int BLOCK_NONE_VALUE = 4;
+
+    /**
+     *
+     *
+     * <pre>
+     * Turn off the safety filter entirely.
+     * </pre>
+     *
+     * <code>OFF = 5;</code>
+     */
+    public static final int OFF_VALUE = 5;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static HarmBlockThreshold valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static HarmBlockThreshold forNumber(int value) {
+      switch (value) {
+        case 0:
+          return HARM_BLOCK_THRESHOLD_UNSPECIFIED;
+        case 1:
+          return BLOCK_LOW_AND_ABOVE;
+        case 2:
+          return BLOCK_MEDIUM_AND_ABOVE;
+        case 3:
+          return BLOCK_ONLY_HIGH;
+        case 4:
+          return BLOCK_NONE;
+        case 5:
+          return OFF;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<HarmBlockThreshold>
+        internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<HarmBlockThreshold>
+        internalValueMap =
+            new com.google.protobuf.Internal.EnumLiteMap<HarmBlockThreshold>() {
+              public HarmBlockThreshold findValueByNumber(int number) {
+                return HarmBlockThreshold.forNumber(number);
+              }
+            };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.getDescriptor()
+          .getEnumTypes()
+          .get(1);
+    }
+
+    private static final HarmBlockThreshold[] VALUES = values();
+
+    public static HarmBlockThreshold valueOf(
+        com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private HarmBlockThreshold(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold)
+  }
+
+  public interface SafetySettingOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * The harm category to apply the safety setting to.
+     * </pre>
+     *
+     * <code>.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory category = 1;
+     * </code>
+     *
+     * @return The enum numeric value on the wire for category.
+     */
+    int getCategoryValue();
+
+    /**
+     *
+     *
+     * <pre>
+     * The harm category to apply the safety setting to.
+     * </pre>
+     *
+     * <code>.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory category = 1;
+     * </code>
+     *
+     * @return The category.
+     */
+    com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory getCategory();
+
+    /**
+     *
+     *
+     * <pre>
+     * The harm block threshold for the safety setting.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold threshold = 2;
+     * </code>
+     *
+     * @return The enum numeric value on the wire for threshold.
+     */
+    int getThresholdValue();
+
+    /**
+     *
+     *
+     * <pre>
+     * The harm block threshold for the safety setting.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold threshold = 2;
+     * </code>
+     *
+     * @return The threshold.
+     */
+    com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold getThreshold();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Safety setting for a single harm category.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting}
+   */
+  public static final class SafetySetting extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting)
+      SafetySettingOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "SafetySetting");
+    }
+
+    // Use SafetySetting.newBuilder() to construct.
+    private SafetySetting(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private SafetySetting() {
+      category_ = 0;
+      threshold_ = 0;
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.texttospeech.v1beta1.TextToSpeechProto
+          .internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySetting_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.texttospeech.v1beta1.TextToSpeechProto
+          .internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySetting_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting.class,
+              com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting.Builder
+                  .class);
+    }
+
+    public static final int CATEGORY_FIELD_NUMBER = 1;
+    private int category_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * The harm category to apply the safety setting to.
+     * </pre>
+     *
+     * <code>.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory category = 1;
+     * </code>
+     *
+     * @return The enum numeric value on the wire for category.
+     */
+    @java.lang.Override
+    public int getCategoryValue() {
+      return category_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The harm category to apply the safety setting to.
+     * </pre>
+     *
+     * <code>.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory category = 1;
+     * </code>
+     *
+     * @return The category.
+     */
+    @java.lang.Override
+    public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory getCategory() {
+      com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory result =
+          com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory.forNumber(
+              category_);
+      return result == null
+          ? com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory.UNRECOGNIZED
+          : result;
+    }
+
+    public static final int THRESHOLD_FIELD_NUMBER = 2;
+    private int threshold_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * The harm block threshold for the safety setting.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold threshold = 2;
+     * </code>
+     *
+     * @return The enum numeric value on the wire for threshold.
+     */
+    @java.lang.Override
+    public int getThresholdValue() {
+      return threshold_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The harm block threshold for the safety setting.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold threshold = 2;
+     * </code>
+     *
+     * @return The threshold.
+     */
+    @java.lang.Override
+    public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold
+        getThreshold() {
+      com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold result =
+          com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold.forNumber(
+              threshold_);
+      return result == null
+          ? com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold
+              .UNRECOGNIZED
+          : result;
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (category_
+          != com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory
+              .HARM_CATEGORY_UNSPECIFIED
+              .getNumber()) {
+        output.writeEnum(1, category_);
+      }
+      if (threshold_
+          != com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold
+              .HARM_BLOCK_THRESHOLD_UNSPECIFIED
+              .getNumber()) {
+        output.writeEnum(2, threshold_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (category_
+          != com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory
+              .HARM_CATEGORY_UNSPECIFIED
+              .getNumber()) {
+        size += com.google.protobuf.CodedOutputStream.computeEnumSize(1, category_);
+      }
+      if (threshold_
+          != com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold
+              .HARM_BLOCK_THRESHOLD_UNSPECIFIED
+              .getNumber()) {
+        size += com.google.protobuf.CodedOutputStream.computeEnumSize(2, threshold_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj
+          instanceof com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting other =
+          (com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting) obj;
+
+      if (category_ != other.category_) return false;
+      if (threshold_ != other.threshold_) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + CATEGORY_FIELD_NUMBER;
+      hash = (53 * hash) + category_;
+      hash = (37 * hash) + THRESHOLD_FIELD_NUMBER;
+      hash = (53 * hash) + threshold_;
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+        parseFrom(java.nio.ByteBuffer data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+        parseFrom(
+            java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+        parseFrom(com.google.protobuf.ByteString data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+        parseFrom(
+            com.google.protobuf.ByteString data,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+        parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+        parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+        parseFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+        parseFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+        parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+        parseFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Safety setting for a single harm category.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting)
+        com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettingOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.texttospeech.v1beta1.TextToSpeechProto
+            .internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySetting_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.texttospeech.v1beta1.TextToSpeechProto
+            .internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySetting_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting.class,
+                com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting.Builder
+                    .class);
+      }
+
+      // Construct using
+      // com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        category_ = 0;
+        threshold_ = 0;
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.texttospeech.v1beta1.TextToSpeechProto
+            .internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySetting_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+          getDefaultInstanceForType() {
+        return com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+            .getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting build() {
+        com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting result =
+            buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+          buildPartial() {
+        com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting result =
+            new com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartial0(
+          com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.category_ = category_;
+        }
+        if (((from_bitField0_ & 0x00000002) != 0)) {
+          result.threshold_ = threshold_;
+        }
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other
+            instanceof com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting) {
+          return mergeFrom(
+              (com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting other) {
+        if (other
+            == com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+                .getDefaultInstance()) return this;
+        if (other.category_ != 0) {
+          setCategoryValue(other.getCategoryValue());
+        }
+        if (other.threshold_ != 0) {
+          setThresholdValue(other.getThresholdValue());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 8:
+                {
+                  category_ = input.readEnum();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 8
+              case 16:
+                {
+                  threshold_ = input.readEnum();
+                  bitField0_ |= 0x00000002;
+                  break;
+                } // case 16
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private int category_ = 0;
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm category to apply the safety setting to.
+       * </pre>
+       *
+       * <code>.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory category = 1;
+       * </code>
+       *
+       * @return The enum numeric value on the wire for category.
+       */
+      @java.lang.Override
+      public int getCategoryValue() {
+        return category_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm category to apply the safety setting to.
+       * </pre>
+       *
+       * <code>.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory category = 1;
+       * </code>
+       *
+       * @param value The enum numeric value on the wire for category to set.
+       * @return This builder for chaining.
+       */
+      public Builder setCategoryValue(int value) {
+        category_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm category to apply the safety setting to.
+       * </pre>
+       *
+       * <code>.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory category = 1;
+       * </code>
+       *
+       * @return The category.
+       */
+      @java.lang.Override
+      public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory getCategory() {
+        com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory result =
+            com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory.forNumber(
+                category_);
+        return result == null
+            ? com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory.UNRECOGNIZED
+            : result;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm category to apply the safety setting to.
+       * </pre>
+       *
+       * <code>.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory category = 1;
+       * </code>
+       *
+       * @param value The category to set.
+       * @return This builder for chaining.
+       */
+      public Builder setCategory(
+          com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        bitField0_ |= 0x00000001;
+        category_ = value.getNumber();
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm category to apply the safety setting to.
+       * </pre>
+       *
+       * <code>.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmCategory category = 1;
+       * </code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearCategory() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        category_ = 0;
+        onChanged();
+        return this;
+      }
+
+      private int threshold_ = 0;
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm block threshold for the safety setting.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold threshold = 2;
+       * </code>
+       *
+       * @return The enum numeric value on the wire for threshold.
+       */
+      @java.lang.Override
+      public int getThresholdValue() {
+        return threshold_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm block threshold for the safety setting.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold threshold = 2;
+       * </code>
+       *
+       * @param value The enum numeric value on the wire for threshold to set.
+       * @return This builder for chaining.
+       */
+      public Builder setThresholdValue(int value) {
+        threshold_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm block threshold for the safety setting.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold threshold = 2;
+       * </code>
+       *
+       * @return The threshold.
+       */
+      @java.lang.Override
+      public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold
+          getThreshold() {
+        com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold result =
+            com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold.forNumber(
+                threshold_);
+        return result == null
+            ? com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold
+                .UNRECOGNIZED
+            : result;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm block threshold for the safety setting.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold threshold = 2;
+       * </code>
+       *
+       * @param value The threshold to set.
+       * @return This builder for chaining.
+       */
+      public Builder setThreshold(
+          com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        bitField0_ |= 0x00000002;
+        threshold_ = value.getNumber();
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The harm block threshold for the safety setting.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold threshold = 2;
+       * </code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearThreshold() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        threshold_ = 0;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting)
+    private static final com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE =
+          new com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting();
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<SafetySetting> PARSER =
+        new com.google.protobuf.AbstractParser<SafetySetting>() {
+          @java.lang.Override
+          public SafetySetting parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<SafetySetting> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<SafetySetting> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  public interface SafetySettingsOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    java.util.List<com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting>
+        getSettingsList();
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting getSettings(int index);
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    int getSettingsCount();
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    java.util.List<
+            ? extends
+                com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettingOrBuilder>
+        getSettingsOrBuilderList();
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettingOrBuilder
+        getSettingsOrBuilder(int index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Safety settings for the request.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings}
+   */
+  public static final class SafetySettings extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings)
+      SafetySettingsOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "SafetySettings");
+    }
+
+    // Use SafetySettings.newBuilder() to construct.
+    private SafetySettings(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private SafetySettings() {
+      settings_ = java.util.Collections.emptyList();
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.texttospeech.v1beta1.TextToSpeechProto
+          .internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySettings_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.texttospeech.v1beta1.TextToSpeechProto
+          .internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySettings_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings.class,
+              com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings.Builder
+                  .class);
+    }
+
+    public static final int SETTINGS_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private java.util.List<com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting>
+        settings_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    @java.lang.Override
+    public java.util.List<com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting>
+        getSettingsList() {
+      return settings_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    @java.lang.Override
+    public java.util.List<
+            ? extends
+                com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettingOrBuilder>
+        getSettingsOrBuilderList() {
+      return settings_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    @java.lang.Override
+    public int getSettingsCount() {
+      return settings_.size();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting getSettings(
+        int index) {
+      return settings_.get(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The safety settings for the request.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettingOrBuilder
+        getSettingsOrBuilder(int index) {
+      return settings_.get(index);
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      for (int i = 0; i < settings_.size(); i++) {
+        output.writeMessage(1, settings_.get(i));
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      for (int i = 0; i < settings_.size(); i++) {
+        size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, settings_.get(i));
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj
+          instanceof com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings other =
+          (com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings) obj;
+
+      if (!getSettingsList().equals(other.getSettingsList())) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      if (getSettingsCount() > 0) {
+        hash = (37 * hash) + SETTINGS_FIELD_NUMBER;
+        hash = (53 * hash) + getSettingsList().hashCode();
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+        parseFrom(java.nio.ByteBuffer data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+        parseFrom(
+            java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+        parseFrom(com.google.protobuf.ByteString data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+        parseFrom(
+            com.google.protobuf.ByteString data,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+        parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+        parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+        parseFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+        parseFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+        parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+        parseFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Safety settings for the request.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings)
+        com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettingsOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.texttospeech.v1beta1.TextToSpeechProto
+            .internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySettings_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.texttospeech.v1beta1.TextToSpeechProto
+            .internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySettings_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings.class,
+                com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings.Builder
+                    .class);
+      }
+
+      // Construct using
+      // com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        if (settingsBuilder_ == null) {
+          settings_ = java.util.Collections.emptyList();
+        } else {
+          settings_ = null;
+          settingsBuilder_.clear();
+        }
+        bitField0_ = (bitField0_ & ~0x00000001);
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.texttospeech.v1beta1.TextToSpeechProto
+            .internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySettings_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+          getDefaultInstanceForType() {
+        return com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+            .getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings build() {
+        com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings result =
+            buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+          buildPartial() {
+        com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings result =
+            new com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings(this);
+        buildPartialRepeatedFields(result);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartialRepeatedFields(
+          com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings result) {
+        if (settingsBuilder_ == null) {
+          if (((bitField0_ & 0x00000001) != 0)) {
+            settings_ = java.util.Collections.unmodifiableList(settings_);
+            bitField0_ = (bitField0_ & ~0x00000001);
+          }
+          result.settings_ = settings_;
+        } else {
+          result.settings_ = settingsBuilder_.build();
+        }
+      }
+
+      private void buildPartial0(
+          com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings result) {
+        int from_bitField0_ = bitField0_;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other
+            instanceof com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings) {
+          return mergeFrom(
+              (com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings other) {
+        if (other
+            == com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+                .getDefaultInstance()) return this;
+        if (settingsBuilder_ == null) {
+          if (!other.settings_.isEmpty()) {
+            if (settings_.isEmpty()) {
+              settings_ = other.settings_;
+              bitField0_ = (bitField0_ & ~0x00000001);
+            } else {
+              ensureSettingsIsMutable();
+              settings_.addAll(other.settings_);
+            }
+            onChanged();
+          }
+        } else {
+          if (!other.settings_.isEmpty()) {
+            if (settingsBuilder_.isEmpty()) {
+              settingsBuilder_.dispose();
+              settingsBuilder_ = null;
+              settings_ = other.settings_;
+              bitField0_ = (bitField0_ & ~0x00000001);
+              settingsBuilder_ =
+                  com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                      ? internalGetSettingsFieldBuilder()
+                      : null;
+            } else {
+              settingsBuilder_.addAllMessages(other.settings_);
+            }
+          }
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting m =
+                      input.readMessage(
+                          com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+                              .parser(),
+                          extensionRegistry);
+                  if (settingsBuilder_ == null) {
+                    ensureSettingsIsMutable();
+                    settings_.add(m);
+                  } else {
+                    settingsBuilder_.addMessage(m);
+                  }
+                  break;
+                } // case 10
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private java.util.List<
+              com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting>
+          settings_ = java.util.Collections.emptyList();
+
+      private void ensureSettingsIsMutable() {
+        if (!((bitField0_ & 0x00000001) != 0)) {
+          settings_ =
+              new java.util.ArrayList<
+                  com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting>(
+                  settings_);
+          bitField0_ |= 0x00000001;
+        }
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilder<
+              com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting,
+              com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting.Builder,
+              com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettingOrBuilder>
+          settingsBuilder_;
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public java.util.List<
+              com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting>
+          getSettingsList() {
+        if (settingsBuilder_ == null) {
+          return java.util.Collections.unmodifiableList(settings_);
+        } else {
+          return settingsBuilder_.getMessageList();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public int getSettingsCount() {
+        if (settingsBuilder_ == null) {
+          return settings_.size();
+        } else {
+          return settingsBuilder_.getCount();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting getSettings(
+          int index) {
+        if (settingsBuilder_ == null) {
+          return settings_.get(index);
+        } else {
+          return settingsBuilder_.getMessage(index);
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public Builder setSettings(
+          int index,
+          com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting value) {
+        if (settingsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureSettingsIsMutable();
+          settings_.set(index, value);
+          onChanged();
+        } else {
+          settingsBuilder_.setMessage(index, value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public Builder setSettings(
+          int index,
+          com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting.Builder
+              builderForValue) {
+        if (settingsBuilder_ == null) {
+          ensureSettingsIsMutable();
+          settings_.set(index, builderForValue.build());
+          onChanged();
+        } else {
+          settingsBuilder_.setMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public Builder addSettings(
+          com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting value) {
+        if (settingsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureSettingsIsMutable();
+          settings_.add(value);
+          onChanged();
+        } else {
+          settingsBuilder_.addMessage(value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public Builder addSettings(
+          int index,
+          com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting value) {
+        if (settingsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureSettingsIsMutable();
+          settings_.add(index, value);
+          onChanged();
+        } else {
+          settingsBuilder_.addMessage(index, value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public Builder addSettings(
+          com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting.Builder
+              builderForValue) {
+        if (settingsBuilder_ == null) {
+          ensureSettingsIsMutable();
+          settings_.add(builderForValue.build());
+          onChanged();
+        } else {
+          settingsBuilder_.addMessage(builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public Builder addSettings(
+          int index,
+          com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting.Builder
+              builderForValue) {
+        if (settingsBuilder_ == null) {
+          ensureSettingsIsMutable();
+          settings_.add(index, builderForValue.build());
+          onChanged();
+        } else {
+          settingsBuilder_.addMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public Builder addAllSettings(
+          java.lang.Iterable<
+                  ? extends
+                      com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting>
+              values) {
+        if (settingsBuilder_ == null) {
+          ensureSettingsIsMutable();
+          com.google.protobuf.AbstractMessageLite.Builder.addAll(values, settings_);
+          onChanged();
+        } else {
+          settingsBuilder_.addAllMessages(values);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public Builder clearSettings() {
+        if (settingsBuilder_ == null) {
+          settings_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000001);
+          onChanged();
+        } else {
+          settingsBuilder_.clear();
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public Builder removeSettings(int index) {
+        if (settingsBuilder_ == null) {
+          ensureSettingsIsMutable();
+          settings_.remove(index);
+          onChanged();
+        } else {
+          settingsBuilder_.remove(index);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting.Builder
+          getSettingsBuilder(int index) {
+        return internalGetSettingsFieldBuilder().getBuilder(index);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettingOrBuilder
+          getSettingsOrBuilder(int index) {
+        if (settingsBuilder_ == null) {
+          return settings_.get(index);
+        } else {
+          return settingsBuilder_.getMessageOrBuilder(index);
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public java.util.List<
+              ? extends
+                  com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettingOrBuilder>
+          getSettingsOrBuilderList() {
+        if (settingsBuilder_ != null) {
+          return settingsBuilder_.getMessageOrBuilderList();
+        } else {
+          return java.util.Collections.unmodifiableList(settings_);
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting.Builder
+          addSettingsBuilder() {
+        return internalGetSettingsFieldBuilder()
+            .addBuilder(
+                com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+                    .getDefaultInstance());
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting.Builder
+          addSettingsBuilder(int index) {
+        return internalGetSettingsFieldBuilder()
+            .addBuilder(
+                index,
+                com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting
+                    .getDefaultInstance());
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The safety settings for the request.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting settings = 1;
+       * </code>
+       */
+      public java.util.List<
+              com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting.Builder>
+          getSettingsBuilderList() {
+        return internalGetSettingsFieldBuilder().getBuilderList();
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilder<
+              com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting,
+              com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting.Builder,
+              com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettingOrBuilder>
+          internalGetSettingsFieldBuilder() {
+        if (settingsBuilder_ == null) {
+          settingsBuilder_ =
+              new com.google.protobuf.RepeatedFieldBuilder<
+                  com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting,
+                  com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySetting.Builder,
+                  com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions
+                      .SafetySettingOrBuilder>(
+                  settings_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
+          settings_ = null;
+        }
+        return settingsBuilder_;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings)
+    private static final com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE =
+          new com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings();
+    }
+
+    public static com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<SafetySettings> PARSER =
+        new com.google.protobuf.AbstractParser<SafetySettings>() {
+          @java.lang.Override
+          public SafetySettings parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<SafetySettings> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<SafetySettings> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
   private int bitField0_;
   public static final int LOW_LATENCY_JOURNEY_SYNTHESIS_FIELD_NUMBER = 1;
   private boolean lowLatencyJourneySynthesis_ = false;
@@ -76,58 +2462,168 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * Only for Journey voices. If false, the synthesis is context aware
-   * and has a higher latency.
+   * Only for Journey voices. If false, the synthesis is context aware
+   * and has a higher latency.
+   * </pre>
+   *
+   * <code>optional bool low_latency_journey_synthesis = 1;</code>
+   *
+   * @return Whether the lowLatencyJourneySynthesis field is set.
+   */
+  @java.lang.Override
+  public boolean hasLowLatencyJourneySynthesis() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Only for Journey voices. If false, the synthesis is context aware
+   * and has a higher latency.
+   * </pre>
+   *
+   * <code>optional bool low_latency_journey_synthesis = 1;</code>
+   *
+   * @return The lowLatencyJourneySynthesis.
+   */
+  @java.lang.Override
+  public boolean getLowLatencyJourneySynthesis() {
+    return lowLatencyJourneySynthesis_;
+  }
+
+  public static final int RELAX_SAFETY_FILTERS_FIELD_NUMBER = 8;
+  private boolean relaxSafetyFilters_ = false;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Input only. Deprecated, use safety_settings instead.
+   * If true, relaxes safety filters for Gemini TTS.
    * </pre>
    *
-   * <code>optional bool low_latency_journey_synthesis = 1;</code>
+   * <code>
+   * bool relax_safety_filters = 8 [deprecated = true, (.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
    *
-   * @return Whether the lowLatencyJourneySynthesis field is set.
+   * @deprecated google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.relax_safety_filters is
+   *     deprecated. See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=227
+   * @return The relaxSafetyFilters.
    */
   @java.lang.Override
-  public boolean hasLowLatencyJourneySynthesis() {
-    return ((bitField0_ & 0x00000001) != 0);
+  @java.lang.Deprecated
+  public boolean getRelaxSafetyFilters() {
+    return relaxSafetyFilters_;
   }
 
+  public static final int SAFETY_SETTINGS_FIELD_NUMBER = 9;
+  private com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings safetySettings_;
+
   /**
    *
    *
    * <pre>
-   * Only for Journey voices. If false, the synthesis is context aware
-   * and has a higher latency.
+   * Optional. Input only. This applies to Gemini TTS only. If set, the category
+   * specified in the safety setting will be blocked if the harm probability is
+   * above the threshold. Otherwise, the safety filter will be disabled by
+   * default.
    * </pre>
    *
-   * <code>optional bool low_latency_journey_synthesis = 1;</code>
+   * <code>
+   * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
    *
-   * @return The lowLatencyJourneySynthesis.
+   * @return Whether the safetySettings field is set.
    */
   @java.lang.Override
-  public boolean getLowLatencyJourneySynthesis() {
-    return lowLatencyJourneySynthesis_;
+  public boolean hasSafetySettings() {
+    return ((bitField0_ & 0x00000002) != 0);
   }
 
-  public static final int RELAX_SAFETY_FILTERS_FIELD_NUMBER = 8;
-  private boolean relaxSafetyFilters_ = false;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Input only. This applies to Gemini TTS only. If set, the category
+   * specified in the safety setting will be blocked if the harm probability is
+   * above the threshold. Otherwise, the safety filter will be disabled by
+   * default.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The safetySettings.
+   */
+  @java.lang.Override
+  public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+      getSafetySettings() {
+    return safetySettings_ == null
+        ? com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+            .getDefaultInstance()
+        : safetySettings_;
+  }
 
   /**
    *
    *
    * <pre>
-   * Optional. Input only. If true, relaxes safety filters for Gemini TTS. Only
-   * supported for accounts linked to Invoiced (Offline) Cloud billing accounts.
-   * Otherwise, will return result
-   * [google.rpc.Code.INVALID_ARGUMENT][google.rpc.Code.INVALID_ARGUMENT].
+   * Optional. Input only. This applies to Gemini TTS only. If set, the category
+   * specified in the safety setting will be blocked if the harm probability is
+   * above the threshold. Otherwise, the safety filter will be disabled by
+   * default.
    * </pre>
    *
    * <code>
-   * bool relax_safety_filters = 8 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+   * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
    * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettingsOrBuilder
+      getSafetySettingsOrBuilder() {
+    return safetySettings_ == null
+        ? com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+            .getDefaultInstance()
+        : safetySettings_;
+  }
+
+  public static final int ENABLE_TEXTNORM_FIELD_NUMBER = 2;
+  private boolean enableTextnorm_ = false;
+
+  /**
    *
-   * @return The relaxSafetyFilters.
+   *
+   * <pre>
+   * Optional. If true, textnorm will be applied to text input. This feature is
+   * enabled by default. Only applies for Gemini TTS.
+   * </pre>
+   *
+   * <code>optional bool enable_textnorm = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the enableTextnorm field is set.
    */
   @java.lang.Override
-  public boolean getRelaxSafetyFilters() {
-    return relaxSafetyFilters_;
+  public boolean hasEnableTextnorm() {
+    return ((bitField0_ & 0x00000004) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. If true, textnorm will be applied to text input. This feature is
+   * enabled by default. Only applies for Gemini TTS.
+   * </pre>
+   *
+   * <code>optional bool enable_textnorm = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The enableTextnorm.
+   */
+  @java.lang.Override
+  public boolean getEnableTextnorm() {
+    return enableTextnorm_;
   }
 
   private byte memoizedIsInitialized = -1;
@@ -147,9 +2643,15 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeBool(1, lowLatencyJourneySynthesis_);
     }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      output.writeBool(2, enableTextnorm_);
+    }
     if (relaxSafetyFilters_ != false) {
       output.writeBool(8, relaxSafetyFilters_);
     }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(9, getSafetySettings());
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -162,9 +2664,15 @@ public int getSerializedSize() {
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeBoolSize(1, lowLatencyJourneySynthesis_);
     }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeBoolSize(2, enableTextnorm_);
+    }
     if (relaxSafetyFilters_ != false) {
       size += com.google.protobuf.CodedOutputStream.computeBoolSize(8, relaxSafetyFilters_);
     }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(9, getSafetySettings());
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -186,6 +2694,14 @@ public boolean equals(final java.lang.Object obj) {
       if (getLowLatencyJourneySynthesis() != other.getLowLatencyJourneySynthesis()) return false;
     }
     if (getRelaxSafetyFilters() != other.getRelaxSafetyFilters()) return false;
+    if (hasSafetySettings() != other.hasSafetySettings()) return false;
+    if (hasSafetySettings()) {
+      if (!getSafetySettings().equals(other.getSafetySettings())) return false;
+    }
+    if (hasEnableTextnorm() != other.hasEnableTextnorm()) return false;
+    if (hasEnableTextnorm()) {
+      if (getEnableTextnorm() != other.getEnableTextnorm()) return false;
+    }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -204,6 +2720,14 @@ public int hashCode() {
     }
     hash = (37 * hash) + RELAX_SAFETY_FILTERS_FIELD_NUMBER;
     hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getRelaxSafetyFilters());
+    if (hasSafetySettings()) {
+      hash = (37 * hash) + SAFETY_SETTINGS_FIELD_NUMBER;
+      hash = (53 * hash) + getSafetySettings().hashCode();
+    }
+    if (hasEnableTextnorm()) {
+      hash = (37 * hash) + ENABLE_TEXTNORM_FIELD_NUMBER;
+      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getEnableTextnorm());
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -335,10 +2859,19 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     // Construct using com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.newBuilder()
-    private Builder() {}
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
 
     private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetSafetySettingsFieldBuilder();
+      }
     }
 
     @java.lang.Override
@@ -347,6 +2880,12 @@ public Builder clear() {
       bitField0_ = 0;
       lowLatencyJourneySynthesis_ = false;
       relaxSafetyFilters_ = false;
+      safetySettings_ = null;
+      if (safetySettingsBuilder_ != null) {
+        safetySettingsBuilder_.dispose();
+        safetySettingsBuilder_ = null;
+      }
+      enableTextnorm_ = false;
       return this;
     }
 
@@ -391,6 +2930,15 @@ private void buildPartial0(com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOp
       if (((from_bitField0_ & 0x00000002) != 0)) {
         result.relaxSafetyFilters_ = relaxSafetyFilters_;
       }
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.safetySettings_ =
+            safetySettingsBuilder_ == null ? safetySettings_ : safetySettingsBuilder_.build();
+        to_bitField0_ |= 0x00000002;
+      }
+      if (((from_bitField0_ & 0x00000008) != 0)) {
+        result.enableTextnorm_ = enableTextnorm_;
+        to_bitField0_ |= 0x00000004;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
@@ -413,6 +2961,12 @@ public Builder mergeFrom(com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOpti
       if (other.getRelaxSafetyFilters() != false) {
         setRelaxSafetyFilters(other.getRelaxSafetyFilters());
       }
+      if (other.hasSafetySettings()) {
+        mergeSafetySettings(other.getSafetySettings());
+      }
+      if (other.hasEnableTextnorm()) {
+        setEnableTextnorm(other.getEnableTextnorm());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -445,12 +2999,25 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00000001;
                 break;
               } // case 8
+            case 16:
+              {
+                enableTextnorm_ = input.readBool();
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 16
             case 64:
               {
                 relaxSafetyFilters_ = input.readBool();
                 bitField0_ |= 0x00000002;
                 break;
               } // case 64
+            case 74:
+              {
+                input.readMessage(
+                    internalGetSafetySettingsFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 74
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -552,19 +3119,20 @@ public Builder clearLowLatencyJourneySynthesis() {
      *
      *
      * <pre>
-     * Optional. Input only. If true, relaxes safety filters for Gemini TTS. Only
-     * supported for accounts linked to Invoiced (Offline) Cloud billing accounts.
-     * Otherwise, will return result
-     * [google.rpc.Code.INVALID_ARGUMENT][google.rpc.Code.INVALID_ARGUMENT].
+     * Optional. Input only. Deprecated, use safety_settings instead.
+     * If true, relaxes safety filters for Gemini TTS.
      * </pre>
      *
      * <code>
-     * bool relax_safety_filters = 8 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * bool relax_safety_filters = 8 [deprecated = true, (.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
+     * @deprecated google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.relax_safety_filters is
+     *     deprecated. See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=227
      * @return The relaxSafetyFilters.
      */
     @java.lang.Override
+    @java.lang.Deprecated
     public boolean getRelaxSafetyFilters() {
       return relaxSafetyFilters_;
     }
@@ -573,19 +3141,20 @@ public boolean getRelaxSafetyFilters() {
      *
      *
      * <pre>
-     * Optional. Input only. If true, relaxes safety filters for Gemini TTS. Only
-     * supported for accounts linked to Invoiced (Offline) Cloud billing accounts.
-     * Otherwise, will return result
-     * [google.rpc.Code.INVALID_ARGUMENT][google.rpc.Code.INVALID_ARGUMENT].
+     * Optional. Input only. Deprecated, use safety_settings instead.
+     * If true, relaxes safety filters for Gemini TTS.
      * </pre>
      *
      * <code>
-     * bool relax_safety_filters = 8 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * bool relax_safety_filters = 8 [deprecated = true, (.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
+     * @deprecated google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.relax_safety_filters is
+     *     deprecated. See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=227
      * @param value The relaxSafetyFilters to set.
      * @return This builder for chaining.
      */
+    @java.lang.Deprecated
     public Builder setRelaxSafetyFilters(boolean value) {
 
       relaxSafetyFilters_ = value;
@@ -598,18 +3167,19 @@ public Builder setRelaxSafetyFilters(boolean value) {
      *
      *
      * <pre>
-     * Optional. Input only. If true, relaxes safety filters for Gemini TTS. Only
-     * supported for accounts linked to Invoiced (Offline) Cloud billing accounts.
-     * Otherwise, will return result
-     * [google.rpc.Code.INVALID_ARGUMENT][google.rpc.Code.INVALID_ARGUMENT].
+     * Optional. Input only. Deprecated, use safety_settings instead.
+     * If true, relaxes safety filters for Gemini TTS.
      * </pre>
      *
      * <code>
-     * bool relax_safety_filters = 8 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * bool relax_safety_filters = 8 [deprecated = true, (.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
+     * @deprecated google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.relax_safety_filters is
+     *     deprecated. See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=227
      * @return This builder for chaining.
      */
+    @java.lang.Deprecated
     public Builder clearRelaxSafetyFilters() {
       bitField0_ = (bitField0_ & ~0x00000002);
       relaxSafetyFilters_ = false;
@@ -617,6 +3187,333 @@ public Builder clearRelaxSafetyFilters() {
       return this;
     }
 
+    private com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+        safetySettings_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings,
+            com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings.Builder,
+            com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettingsOrBuilder>
+        safetySettingsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. This applies to Gemini TTS only. If set, the category
+     * specified in the safety setting will be blocked if the harm probability is
+     * above the threshold. Otherwise, the safety filter will be disabled by
+     * default.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the safetySettings field is set.
+     */
+    public boolean hasSafetySettings() {
+      return ((bitField0_ & 0x00000004) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. This applies to Gemini TTS only. If set, the category
+     * specified in the safety setting will be blocked if the harm probability is
+     * above the threshold. Otherwise, the safety filter will be disabled by
+     * default.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The safetySettings.
+     */
+    public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+        getSafetySettings() {
+      if (safetySettingsBuilder_ == null) {
+        return safetySettings_ == null
+            ? com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+                .getDefaultInstance()
+            : safetySettings_;
+      } else {
+        return safetySettingsBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. This applies to Gemini TTS only. If set, the category
+     * specified in the safety setting will be blocked if the harm probability is
+     * above the threshold. Otherwise, the safety filter will be disabled by
+     * default.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setSafetySettings(
+        com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings value) {
+      if (safetySettingsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        safetySettings_ = value;
+      } else {
+        safetySettingsBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. This applies to Gemini TTS only. If set, the category
+     * specified in the safety setting will be blocked if the harm probability is
+     * above the threshold. Otherwise, the safety filter will be disabled by
+     * default.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setSafetySettings(
+        com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings.Builder
+            builderForValue) {
+      if (safetySettingsBuilder_ == null) {
+        safetySettings_ = builderForValue.build();
+      } else {
+        safetySettingsBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. This applies to Gemini TTS only. If set, the category
+     * specified in the safety setting will be blocked if the harm probability is
+     * above the threshold. Otherwise, the safety filter will be disabled by
+     * default.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeSafetySettings(
+        com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings value) {
+      if (safetySettingsBuilder_ == null) {
+        if (((bitField0_ & 0x00000004) != 0)
+            && safetySettings_ != null
+            && safetySettings_
+                != com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+                    .getDefaultInstance()) {
+          getSafetySettingsBuilder().mergeFrom(value);
+        } else {
+          safetySettings_ = value;
+        }
+      } else {
+        safetySettingsBuilder_.mergeFrom(value);
+      }
+      if (safetySettings_ != null) {
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. This applies to Gemini TTS only. If set, the category
+     * specified in the safety setting will be blocked if the harm probability is
+     * above the threshold. Otherwise, the safety filter will be disabled by
+     * default.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearSafetySettings() {
+      bitField0_ = (bitField0_ & ~0x00000004);
+      safetySettings_ = null;
+      if (safetySettingsBuilder_ != null) {
+        safetySettingsBuilder_.dispose();
+        safetySettingsBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. This applies to Gemini TTS only. If set, the category
+     * specified in the safety setting will be blocked if the harm probability is
+     * above the threshold. Otherwise, the safety filter will be disabled by
+     * default.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings.Builder
+        getSafetySettingsBuilder() {
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return internalGetSafetySettingsFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. This applies to Gemini TTS only. If set, the category
+     * specified in the safety setting will be blocked if the harm probability is
+     * above the threshold. Otherwise, the safety filter will be disabled by
+     * default.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettingsOrBuilder
+        getSafetySettingsOrBuilder() {
+      if (safetySettingsBuilder_ != null) {
+        return safetySettingsBuilder_.getMessageOrBuilder();
+      } else {
+        return safetySettings_ == null
+            ? com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings
+                .getDefaultInstance()
+            : safetySettings_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. This applies to Gemini TTS only. If set, the category
+     * specified in the safety setting will be blocked if the harm probability is
+     * above the threshold. Otherwise, the safety filter will be disabled by
+     * default.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings,
+            com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings.Builder,
+            com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettingsOrBuilder>
+        internalGetSafetySettingsFieldBuilder() {
+      if (safetySettingsBuilder_ == null) {
+        safetySettingsBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings,
+                com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings.Builder,
+                com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettingsOrBuilder>(
+                getSafetySettings(), getParentForChildren(), isClean());
+        safetySettings_ = null;
+      }
+      return safetySettingsBuilder_;
+    }
+
+    private boolean enableTextnorm_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If true, textnorm will be applied to text input. This feature is
+     * enabled by default. Only applies for Gemini TTS.
+     * </pre>
+     *
+     * <code>optional bool enable_textnorm = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the enableTextnorm field is set.
+     */
+    @java.lang.Override
+    public boolean hasEnableTextnorm() {
+      return ((bitField0_ & 0x00000008) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If true, textnorm will be applied to text input. This feature is
+     * enabled by default. Only applies for Gemini TTS.
+     * </pre>
+     *
+     * <code>optional bool enable_textnorm = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The enableTextnorm.
+     */
+    @java.lang.Override
+    public boolean getEnableTextnorm() {
+      return enableTextnorm_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If true, textnorm will be applied to text input. This feature is
+     * enabled by default. Only applies for Gemini TTS.
+     * </pre>
+     *
+     * <code>optional bool enable_textnorm = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The enableTextnorm to set.
+     * @return This builder for chaining.
+     */
+    public Builder setEnableTextnorm(boolean value) {
+
+      enableTextnorm_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If true, textnorm will be applied to text input. This feature is
+     * enabled by default. Only applies for Gemini TTS.
+     * </pre>
+     *
+     * <code>optional bool enable_textnorm = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearEnableTextnorm() {
+      bitField0_ = (bitField0_ & ~0x00000008);
+      enableTextnorm_ = false;
+      onChanged();
+      return this;
+    }
+
     // @@protoc_insertion_point(builder_scope:google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions)
   }
 
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/AdvancedVoiceOptionsOrBuilder.java b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/AdvancedVoiceOptionsOrBuilder.java
index 749aaef8fd40..1391750d891a 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/AdvancedVoiceOptionsOrBuilder.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/AdvancedVoiceOptionsOrBuilder.java
@@ -58,17 +58,99 @@ public interface AdvancedVoiceOptionsOrBuilder
    *
    *
    * <pre>
-   * Optional. Input only. If true, relaxes safety filters for Gemini TTS. Only
-   * supported for accounts linked to Invoiced (Offline) Cloud billing accounts.
-   * Otherwise, will return result
-   * [google.rpc.Code.INVALID_ARGUMENT][google.rpc.Code.INVALID_ARGUMENT].
+   * Optional. Input only. Deprecated, use safety_settings instead.
+   * If true, relaxes safety filters for Gemini TTS.
    * </pre>
    *
    * <code>
-   * bool relax_safety_filters = 8 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+   * bool relax_safety_filters = 8 [deprecated = true, (.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
    * </code>
    *
+   * @deprecated google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.relax_safety_filters is
+   *     deprecated. See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=227
    * @return The relaxSafetyFilters.
    */
+  @java.lang.Deprecated
   boolean getRelaxSafetyFilters();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Input only. This applies to Gemini TTS only. If set, the category
+   * specified in the safety setting will be blocked if the harm probability is
+   * above the threshold. Otherwise, the safety filter will be disabled by
+   * default.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the safetySettings field is set.
+   */
+  boolean hasSafetySettings();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Input only. This applies to Gemini TTS only. If set, the category
+   * specified in the safety setting will be blocked if the harm probability is
+   * above the threshold. Otherwise, the safety filter will be disabled by
+   * default.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The safetySettings.
+   */
+  com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings getSafetySettings();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Input only. This applies to Gemini TTS only. If set, the category
+   * specified in the safety setting will be blocked if the harm probability is
+   * above the threshold. Otherwise, the safety filter will be disabled by
+   * default.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettings safety_settings = 9 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.SafetySettingsOrBuilder
+      getSafetySettingsOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. If true, textnorm will be applied to text input. This feature is
+   * enabled by default. Only applies for Gemini TTS.
+   * </pre>
+   *
+   * <code>optional bool enable_textnorm = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the enableTextnorm field is set.
+   */
+  boolean hasEnableTextnorm();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. If true, textnorm will be applied to text input. This feature is
+   * enabled by default. Only applies for Gemini TTS.
+   * </pre>
+   *
+   * <code>optional bool enable_textnorm = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The enableTextnorm.
+   */
+  boolean getEnableTextnorm();
 }
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/CustomVoiceParams.java b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/CustomVoiceParams.java
index 16cf28a4a8eb..0eb4e804cca1 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/CustomVoiceParams.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/CustomVoiceParams.java
@@ -321,7 +321,7 @@ public com.google.protobuf.ByteString getModelBytes() {
    * </code>
    *
    * @deprecated google.cloud.texttospeech.v1beta1.CustomVoiceParams.reported_usage is deprecated.
-   *     See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=478
+   *     See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=546
    * @return The enum numeric value on the wire for reportedUsage.
    */
   @java.lang.Override
@@ -342,7 +342,7 @@ public int getReportedUsageValue() {
    * </code>
    *
    * @deprecated google.cloud.texttospeech.v1beta1.CustomVoiceParams.reported_usage is deprecated.
-   *     See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=478
+   *     See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=546
    * @return The reportedUsage.
    */
   @java.lang.Override
@@ -830,7 +830,7 @@ public Builder setModelBytes(com.google.protobuf.ByteString value) {
      * </code>
      *
      * @deprecated google.cloud.texttospeech.v1beta1.CustomVoiceParams.reported_usage is deprecated.
-     *     See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=478
+     *     See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=546
      * @return The enum numeric value on the wire for reportedUsage.
      */
     @java.lang.Override
@@ -851,7 +851,7 @@ public int getReportedUsageValue() {
      * </code>
      *
      * @deprecated google.cloud.texttospeech.v1beta1.CustomVoiceParams.reported_usage is deprecated.
-     *     See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=478
+     *     See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=546
      * @param value The enum numeric value on the wire for reportedUsage to set.
      * @return This builder for chaining.
      */
@@ -875,7 +875,7 @@ public Builder setReportedUsageValue(int value) {
      * </code>
      *
      * @deprecated google.cloud.texttospeech.v1beta1.CustomVoiceParams.reported_usage is deprecated.
-     *     See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=478
+     *     See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=546
      * @return The reportedUsage.
      */
     @java.lang.Override
@@ -902,7 +902,7 @@ public Builder setReportedUsageValue(int value) {
      * </code>
      *
      * @deprecated google.cloud.texttospeech.v1beta1.CustomVoiceParams.reported_usage is deprecated.
-     *     See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=478
+     *     See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=546
      * @param value The reportedUsage to set.
      * @return This builder for chaining.
      */
@@ -930,7 +930,7 @@ public Builder setReportedUsage(
      * </code>
      *
      * @deprecated google.cloud.texttospeech.v1beta1.CustomVoiceParams.reported_usage is deprecated.
-     *     See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=478
+     *     See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=546
      * @return This builder for chaining.
      */
     @java.lang.Deprecated
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/CustomVoiceParamsOrBuilder.java b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/CustomVoiceParamsOrBuilder.java
index 524c7c255003..2cd15c494127 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/CustomVoiceParamsOrBuilder.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/CustomVoiceParamsOrBuilder.java
@@ -68,7 +68,7 @@ public interface CustomVoiceParamsOrBuilder
    * </code>
    *
    * @deprecated google.cloud.texttospeech.v1beta1.CustomVoiceParams.reported_usage is deprecated.
-   *     See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=478
+   *     See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=546
    * @return The enum numeric value on the wire for reportedUsage.
    */
   @java.lang.Deprecated
@@ -86,7 +86,7 @@ public interface CustomVoiceParamsOrBuilder
    * </code>
    *
    * @deprecated google.cloud.texttospeech.v1beta1.CustomVoiceParams.reported_usage is deprecated.
-   *     See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=478
+   *     See google/cloud/texttospeech/v1beta1/cloud_tts.proto;l=546
    * @return The reportedUsage.
    */
   @java.lang.Deprecated
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/StreamingSynthesisInput.java b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/StreamingSynthesisInput.java
index 19e03443e3cb..e800ed49ec66 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/StreamingSynthesisInput.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/StreamingSynthesisInput.java
@@ -209,8 +209,8 @@ public com.google.protobuf.ByteString getTextBytes() {
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -225,8 +225,8 @@ public boolean hasMarkup() {
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -254,8 +254,8 @@ public java.lang.String getMarkup() {
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -1009,8 +1009,8 @@ public Builder setTextBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1026,8 +1026,8 @@ public boolean hasMarkup() {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1056,8 +1056,8 @@ public java.lang.String getMarkup() {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1086,8 +1086,8 @@ public com.google.protobuf.ByteString getMarkupBytes() {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1109,8 +1109,8 @@ public Builder setMarkup(java.lang.String value) {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1130,8 +1130,8 @@ public Builder clearMarkup() {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/StreamingSynthesisInputOrBuilder.java b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/StreamingSynthesisInputOrBuilder.java
index d8d9836756c8..96ac89a4473f 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/StreamingSynthesisInputOrBuilder.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/StreamingSynthesisInputOrBuilder.java
@@ -75,8 +75,8 @@ public interface StreamingSynthesisInputOrBuilder
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -89,8 +89,8 @@ public interface StreamingSynthesisInputOrBuilder
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -103,8 +103,8 @@ public interface StreamingSynthesisInputOrBuilder
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/StreamingSynthesizeConfig.java b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/StreamingSynthesizeConfig.java
index b019eace35a7..30b788de8edc 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/StreamingSynthesizeConfig.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/StreamingSynthesizeConfig.java
@@ -275,6 +275,66 @@ public com.google.cloud.texttospeech.v1beta1.CustomPronunciations getCustomPronu
         : customPronunciations_;
   }
 
+  public static final int ADVANCED_VOICE_OPTIONS_FIELD_NUMBER = 7;
+  private com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advancedVoiceOptions_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Advanced voice options.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the advancedVoiceOptions field is set.
+   */
+  @java.lang.Override
+  public boolean hasAdvancedVoiceOptions() {
+    return ((bitField0_ & 0x00000008) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Advanced voice options.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The advancedVoiceOptions.
+   */
+  @java.lang.Override
+  public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions getAdvancedVoiceOptions() {
+    return advancedVoiceOptions_ == null
+        ? com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.getDefaultInstance()
+        : advancedVoiceOptions_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Advanced voice options.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptionsOrBuilder
+      getAdvancedVoiceOptionsOrBuilder() {
+    return advancedVoiceOptions_ == null
+        ? com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.getDefaultInstance()
+        : advancedVoiceOptions_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -298,6 +358,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000004) != 0)) {
       output.writeMessage(5, getCustomPronunciations());
     }
+    if (((bitField0_ & 0x00000008) != 0)) {
+      output.writeMessage(7, getAdvancedVoiceOptions());
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -318,6 +381,10 @@ public int getSerializedSize() {
       size +=
           com.google.protobuf.CodedOutputStream.computeMessageSize(5, getCustomPronunciations());
     }
+    if (((bitField0_ & 0x00000008) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(7, getAdvancedVoiceOptions());
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -346,6 +413,10 @@ public boolean equals(final java.lang.Object obj) {
     if (hasCustomPronunciations()) {
       if (!getCustomPronunciations().equals(other.getCustomPronunciations())) return false;
     }
+    if (hasAdvancedVoiceOptions() != other.hasAdvancedVoiceOptions()) return false;
+    if (hasAdvancedVoiceOptions()) {
+      if (!getAdvancedVoiceOptions().equals(other.getAdvancedVoiceOptions())) return false;
+    }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -369,6 +440,10 @@ public int hashCode() {
       hash = (37 * hash) + CUSTOM_PRONUNCIATIONS_FIELD_NUMBER;
       hash = (53 * hash) + getCustomPronunciations().hashCode();
     }
+    if (hasAdvancedVoiceOptions()) {
+      hash = (37 * hash) + ADVANCED_VOICE_OPTIONS_FIELD_NUMBER;
+      hash = (53 * hash) + getAdvancedVoiceOptions().hashCode();
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -514,6 +589,7 @@ private void maybeForceBuilderInitialization() {
         internalGetVoiceFieldBuilder();
         internalGetStreamingAudioConfigFieldBuilder();
         internalGetCustomPronunciationsFieldBuilder();
+        internalGetAdvancedVoiceOptionsFieldBuilder();
       }
     }
 
@@ -536,6 +612,11 @@ public Builder clear() {
         customPronunciationsBuilder_.dispose();
         customPronunciationsBuilder_ = null;
       }
+      advancedVoiceOptions_ = null;
+      if (advancedVoiceOptionsBuilder_ != null) {
+        advancedVoiceOptionsBuilder_.dispose();
+        advancedVoiceOptionsBuilder_ = null;
+      }
       return this;
     }
 
@@ -593,6 +674,13 @@ private void buildPartial0(
                 : customPronunciationsBuilder_.build();
         to_bitField0_ |= 0x00000004;
       }
+      if (((from_bitField0_ & 0x00000008) != 0)) {
+        result.advancedVoiceOptions_ =
+            advancedVoiceOptionsBuilder_ == null
+                ? advancedVoiceOptions_
+                : advancedVoiceOptionsBuilder_.build();
+        to_bitField0_ |= 0x00000008;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
@@ -620,6 +708,9 @@ public Builder mergeFrom(
       if (other.hasCustomPronunciations()) {
         mergeCustomPronunciations(other.getCustomPronunciations());
       }
+      if (other.hasAdvancedVoiceOptions()) {
+        mergeAdvancedVoiceOptions(other.getAdvancedVoiceOptions());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -666,6 +757,13 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00000004;
                 break;
               } // case 42
+            case 58:
+              {
+                input.readMessage(
+                    internalGetAdvancedVoiceOptionsFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 58
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -1419,6 +1517,225 @@ public Builder clearCustomPronunciations() {
       return customPronunciationsBuilder_;
     }
 
+    private com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advancedVoiceOptions_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions,
+            com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.Builder,
+            com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptionsOrBuilder>
+        advancedVoiceOptionsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Advanced voice options.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the advancedVoiceOptions field is set.
+     */
+    public boolean hasAdvancedVoiceOptions() {
+      return ((bitField0_ & 0x00000008) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Advanced voice options.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The advancedVoiceOptions.
+     */
+    public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions getAdvancedVoiceOptions() {
+      if (advancedVoiceOptionsBuilder_ == null) {
+        return advancedVoiceOptions_ == null
+            ? com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.getDefaultInstance()
+            : advancedVoiceOptions_;
+      } else {
+        return advancedVoiceOptionsBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Advanced voice options.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setAdvancedVoiceOptions(
+        com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions value) {
+      if (advancedVoiceOptionsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        advancedVoiceOptions_ = value;
+      } else {
+        advancedVoiceOptionsBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Advanced voice options.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setAdvancedVoiceOptions(
+        com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.Builder builderForValue) {
+      if (advancedVoiceOptionsBuilder_ == null) {
+        advancedVoiceOptions_ = builderForValue.build();
+      } else {
+        advancedVoiceOptionsBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Advanced voice options.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeAdvancedVoiceOptions(
+        com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions value) {
+      if (advancedVoiceOptionsBuilder_ == null) {
+        if (((bitField0_ & 0x00000008) != 0)
+            && advancedVoiceOptions_ != null
+            && advancedVoiceOptions_
+                != com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions
+                    .getDefaultInstance()) {
+          getAdvancedVoiceOptionsBuilder().mergeFrom(value);
+        } else {
+          advancedVoiceOptions_ = value;
+        }
+      } else {
+        advancedVoiceOptionsBuilder_.mergeFrom(value);
+      }
+      if (advancedVoiceOptions_ != null) {
+        bitField0_ |= 0x00000008;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Advanced voice options.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearAdvancedVoiceOptions() {
+      bitField0_ = (bitField0_ & ~0x00000008);
+      advancedVoiceOptions_ = null;
+      if (advancedVoiceOptionsBuilder_ != null) {
+        advancedVoiceOptionsBuilder_.dispose();
+        advancedVoiceOptionsBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Advanced voice options.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.Builder
+        getAdvancedVoiceOptionsBuilder() {
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return internalGetAdvancedVoiceOptionsFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Advanced voice options.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptionsOrBuilder
+        getAdvancedVoiceOptionsOrBuilder() {
+      if (advancedVoiceOptionsBuilder_ != null) {
+        return advancedVoiceOptionsBuilder_.getMessageOrBuilder();
+      } else {
+        return advancedVoiceOptions_ == null
+            ? com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.getDefaultInstance()
+            : advancedVoiceOptions_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Advanced voice options.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions,
+            com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.Builder,
+            com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptionsOrBuilder>
+        internalGetAdvancedVoiceOptionsFieldBuilder() {
+      if (advancedVoiceOptionsBuilder_ == null) {
+        advancedVoiceOptionsBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions,
+                com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.Builder,
+                com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptionsOrBuilder>(
+                getAdvancedVoiceOptions(), getParentForChildren(), isClean());
+        advancedVoiceOptions_ = null;
+      }
+      return advancedVoiceOptionsBuilder_;
+    }
+
     // @@protoc_insertion_point(builder_scope:google.cloud.texttospeech.v1beta1.StreamingSynthesizeConfig)
   }
 
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/StreamingSynthesizeConfigOrBuilder.java b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/StreamingSynthesizeConfigOrBuilder.java
index 982ccd292af2..2a340de01b3b 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/StreamingSynthesizeConfigOrBuilder.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/StreamingSynthesizeConfigOrBuilder.java
@@ -183,4 +183,48 @@ public interface StreamingSynthesizeConfigOrBuilder
    */
   com.google.cloud.texttospeech.v1beta1.CustomPronunciationsOrBuilder
       getCustomPronunciationsOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Advanced voice options.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the advancedVoiceOptions field is set.
+   */
+  boolean hasAdvancedVoiceOptions();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Advanced voice options.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The advancedVoiceOptions.
+   */
+  com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions getAdvancedVoiceOptions();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Advanced voice options.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptionsOrBuilder
+      getAdvancedVoiceOptionsOrBuilder();
 }
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesisInput.java b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesisInput.java
index ef9c08581700..2fc3bc75f22d 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesisInput.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesisInput.java
@@ -209,8 +209,8 @@ public com.google.protobuf.ByteString getTextBytes() {
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -225,8 +225,8 @@ public boolean hasMarkup() {
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -254,8 +254,8 @@ public java.lang.String getMarkup() {
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -1249,8 +1249,8 @@ public Builder setTextBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1266,8 +1266,8 @@ public boolean hasMarkup() {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1296,8 +1296,8 @@ public java.lang.String getMarkup() {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1326,8 +1326,8 @@ public com.google.protobuf.ByteString getMarkupBytes() {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1349,8 +1349,8 @@ public Builder setMarkup(java.lang.String value) {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
@@ -1370,8 +1370,8 @@ public Builder clearMarkup() {
      *
      *
      * <pre>
-     * Markup for HD voices specifically. This field may not be used with any
-     * other voices.
+     * Markup for Chirp 3: HD voices specifically. This field may not be used
+     * with any other voices.
      * </pre>
      *
      * <code>string markup = 5;</code>
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesisInputOrBuilder.java b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesisInputOrBuilder.java
index 2a6b327ce733..dd2af77c6357 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesisInputOrBuilder.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesisInputOrBuilder.java
@@ -69,8 +69,8 @@ public interface SynthesisInputOrBuilder
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -83,8 +83,8 @@ public interface SynthesisInputOrBuilder
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
@@ -97,8 +97,8 @@ public interface SynthesisInputOrBuilder
    *
    *
    * <pre>
-   * Markup for HD voices specifically. This field may not be used with any
-   * other voices.
+   * Markup for Chirp 3: HD voices specifically. This field may not be used
+   * with any other voices.
    * </pre>
    *
    * <code>string markup = 5;</code>
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesizeSpeechRequest.java b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesizeSpeechRequest.java
index 20a15d6e6b5c..f32fecf30bab 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesizeSpeechRequest.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesizeSpeechRequest.java
@@ -523,11 +523,11 @@ public int getEnableTimePointingValue(int index) {
    *
    *
    * <pre>
-   * Advanced voice options.
+   * Optional. Advanced voice options.
    * </pre>
    *
    * <code>
-   * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8;
+   * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
    * </code>
    *
    * @return Whether the advancedVoiceOptions field is set.
@@ -541,11 +541,11 @@ public boolean hasAdvancedVoiceOptions() {
    *
    *
    * <pre>
-   * Advanced voice options.
+   * Optional. Advanced voice options.
    * </pre>
    *
    * <code>
-   * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8;
+   * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
    * </code>
    *
    * @return The advancedVoiceOptions.
@@ -561,11 +561,11 @@ public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions getAdvancedVoi
    *
    *
    * <pre>
-   * Advanced voice options.
+   * Optional. Advanced voice options.
    * </pre>
    *
    * <code>
-   * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8;
+   * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
    * </code>
    */
   @java.lang.Override
@@ -1998,11 +1998,11 @@ public Builder addAllEnableTimePointingValue(java.lang.Iterable<java.lang.Intege
      *
      *
      * <pre>
-     * Advanced voice options.
+     * Optional. Advanced voice options.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8;
+     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
      * @return Whether the advancedVoiceOptions field is set.
@@ -2015,11 +2015,11 @@ public boolean hasAdvancedVoiceOptions() {
      *
      *
      * <pre>
-     * Advanced voice options.
+     * Optional. Advanced voice options.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8;
+     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
      * @return The advancedVoiceOptions.
@@ -2038,11 +2038,11 @@ public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions getAdvancedVoi
      *
      *
      * <pre>
-     * Advanced voice options.
+     * Optional. Advanced voice options.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8;
+     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
     public Builder setAdvancedVoiceOptions(
@@ -2064,11 +2064,11 @@ public Builder setAdvancedVoiceOptions(
      *
      *
      * <pre>
-     * Advanced voice options.
+     * Optional. Advanced voice options.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8;
+     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
     public Builder setAdvancedVoiceOptions(
@@ -2087,11 +2087,11 @@ public Builder setAdvancedVoiceOptions(
      *
      *
      * <pre>
-     * Advanced voice options.
+     * Optional. Advanced voice options.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8;
+     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
     public Builder mergeAdvancedVoiceOptions(
@@ -2120,11 +2120,11 @@ public Builder mergeAdvancedVoiceOptions(
      *
      *
      * <pre>
-     * Advanced voice options.
+     * Optional. Advanced voice options.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8;
+     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
     public Builder clearAdvancedVoiceOptions() {
@@ -2142,11 +2142,11 @@ public Builder clearAdvancedVoiceOptions() {
      *
      *
      * <pre>
-     * Advanced voice options.
+     * Optional. Advanced voice options.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8;
+     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
     public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions.Builder
@@ -2160,11 +2160,11 @@ public Builder clearAdvancedVoiceOptions() {
      *
      *
      * <pre>
-     * Advanced voice options.
+     * Optional. Advanced voice options.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8;
+     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
     public com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptionsOrBuilder
@@ -2182,11 +2182,11 @@ public Builder clearAdvancedVoiceOptions() {
      *
      *
      * <pre>
-     * Advanced voice options.
+     * Optional. Advanced voice options.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8;
+     * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
     private com.google.protobuf.SingleFieldBuilder<
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesizeSpeechRequestOrBuilder.java b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesizeSpeechRequestOrBuilder.java
index e759a21d47e9..6b1da35a4345 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesizeSpeechRequestOrBuilder.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/SynthesizeSpeechRequestOrBuilder.java
@@ -238,11 +238,11 @@ com.google.cloud.texttospeech.v1beta1.SynthesizeSpeechRequest.TimepointType getE
    *
    *
    * <pre>
-   * Advanced voice options.
+   * Optional. Advanced voice options.
    * </pre>
    *
    * <code>
-   * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8;
+   * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
    * </code>
    *
    * @return Whether the advancedVoiceOptions field is set.
@@ -253,11 +253,11 @@ com.google.cloud.texttospeech.v1beta1.SynthesizeSpeechRequest.TimepointType getE
    *
    *
    * <pre>
-   * Advanced voice options.
+   * Optional. Advanced voice options.
    * </pre>
    *
    * <code>
-   * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8;
+   * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
    * </code>
    *
    * @return The advancedVoiceOptions.
@@ -268,11 +268,11 @@ com.google.cloud.texttospeech.v1beta1.SynthesizeSpeechRequest.TimepointType getE
    *
    *
    * <pre>
-   * Advanced voice options.
+   * Optional. Advanced voice options.
    * </pre>
    *
    * <code>
-   * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8;
+   * optional .google.cloud.texttospeech.v1beta1.AdvancedVoiceOptions advanced_voice_options = 8 [(.google.api.field_behavior) = OPTIONAL];
    * </code>
    */
   com.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptionsOrBuilder
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/TextToSpeechProto.java b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/TextToSpeechProto.java
index c50f5a60e7f8..39effbdec03d 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/TextToSpeechProto.java
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/TextToSpeechProto.java
@@ -56,6 +56,14 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySetting_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySetting_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySettings_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySettings_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_texttospeech_v1beta1_SynthesizeSpeechRequest_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
@@ -155,30 +163,55 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\004name\030\002 \001(\t\022G\n"
           + "\013ssml_gender\030\003 \001(\0162"
           + "2.google.cloud.texttospeech.v1beta1.SsmlVoiceGender\022!\n"
-          + "\031natural_sample_rate_hertz\030\004 \001(\005\"\212\001\n"
+          + "\031natural_sample_rate_hertz\030\004 \001(\005\"\267\007\n"
           + "\024AdvancedVoiceOptions\022*\n"
-          + "\035low_latency_journey_synthesis\030\001 \001(\010H\000\210\001\001\022$\n"
-          + "\024relax_safety_filters\030\010 \001(\010B\006\340A\004\340A\001B \n"
-          + "\036_low_latency_journey_synthesis\"\231\004\n"
+          + "\035low_latency_journey_synthesis\030\001 \001(\010H\000\210\001\001\022&\n"
+          + "\024relax_safety_filters\030\010 \001(\010B\010\030\001\340A\004\340A\001\022g\n"
+          + "\017safety_settings\030\t \001(\0132F.google.cloud.text"
+          + "tospeech.v1beta1.AdvancedVoiceOptions.SafetySettingsB\006\340A\004\340A\001\022!\n"
+          + "\017enable_textnorm\030\002 \001(\010B\003\340A\001H\001\210\001\001\032\306\001\n\r"
+          + "SafetySetting\022V\n"
+          + "\010category\030\001 \001(\0162D.google.cloud.texttospeech."
+          + "v1beta1.AdvancedVoiceOptions.HarmCategory\022]\n"
+          + "\tthreshold\030\002 \001(\0162J.google.cloud.text"
+          + "tospeech.v1beta1.AdvancedVoiceOptions.HarmBlockThreshold\032i\n"
+          + "\016SafetySettings\022W\n"
+          + "\010settings\030\001 \003(\0132E.google.cloud.texttospeech"
+          + ".v1beta1.AdvancedVoiceOptions.SafetySetting\"\264\001\n"
+          + "\014HarmCategory\022\035\n"
+          + "\031HARM_CATEGORY_UNSPECIFIED\020\000\022\035\n"
+          + "\031HARM_CATEGORY_HATE_SPEECH\020\001\022#\n"
+          + "\037HARM_CATEGORY_DANGEROUS_CONTENT\020\002\022\034\n"
+          + "\030HARM_CATEGORY_HARASSMENT\020\003\022#\n"
+          + "\037HARM_CATEGORY_SEXUALLY_EXPLICIT\020\004\"\235\001\n"
+          + "\022HarmBlockThreshold\022$\n"
+          + " HARM_BLOCK_THRESHOLD_UNSPECIFIED\020\000\022\027\n"
+          + "\023BLOCK_LOW_AND_ABOVE\020\001\022\032\n"
+          + "\026BLOCK_MEDIUM_AND_ABOVE\020\002\022\023\n"
+          + "\017BLOCK_ONLY_HIGH\020\003\022\016\n\n"
+          + "BLOCK_NONE\020\004\022\007\n"
+          + "\003OFF\020\005B \n"
+          + "\036_low_latency_journey_synthesisB\022\n"
+          + "\020_enable_textnorm\"\236\004\n"
           + "\027SynthesizeSpeechRequest\022E\n"
-          + "\005input\030\001 \001(\01321.google."
-          + "cloud.texttospeech.v1beta1.SynthesisInputB\003\340A\002\022K\n"
-          + "\005voice\030\002 \001(\01327.google.cloud.tex"
-          + "ttospeech.v1beta1.VoiceSelectionParamsB\003\340A\002\022I\n"
-          + "\014audio_config\030\003 \001(\0132..google.cloud"
-          + ".texttospeech.v1beta1.AudioConfigB\003\340A\002\022f\n"
-          + "\024enable_time_pointing\030\004 \003(\0162H.google.cl"
-          + "oud.texttospeech.v1beta1.SynthesizeSpeechRequest.TimepointType\022\\\n"
-          + "\026advanced_voice_options\030\010"
-          + " \001(\01327.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptionsH\000\210\001\001\">\n\r"
+          + "\005input\030\001 "
+          + "\001(\01321.google.cloud.texttospeech.v1beta1.SynthesisInputB\003\340A\002\022K\n"
+          + "\005voice\030\002 \001(\01327.goo"
+          + "gle.cloud.texttospeech.v1beta1.VoiceSelectionParamsB\003\340A\002\022I\n"
+          + "\014audio_config\030\003 \001(\0132."
+          + ".google.cloud.texttospeech.v1beta1.AudioConfigB\003\340A\002\022f\n"
+          + "\024enable_time_pointing\030\004 \003("
+          + "\0162H.google.cloud.texttospeech.v1beta1.SynthesizeSpeechRequest.TimepointType\022a\n"
+          + "\026advanced_voice_options\030\010 \001(\01327.google.clo"
+          + "ud.texttospeech.v1beta1.AdvancedVoiceOptionsB\003\340A\001H\000\210\001\001\">\n\r"
           + "TimepointType\022\036\n"
           + "\032TIMEPOINT_TYPE_UNSPECIFIED\020\000\022\r\n"
           + "\tSSML_MARK\020\001B\031\n"
           + "\027_advanced_voice_options\"\247\003\n"
           + "\031CustomPronunciationParams\022\023\n"
           + "\006phrase\030\001 \001(\tH\000\210\001\001\022m\n"
-          + "\021phonetic_encoding\030\002 \001(\0162M.google.cloud.texttospeech.v1beta"
-          + "1.CustomPronunciationParams.PhoneticEncodingH\001\210\001\001\022\032\n\r"
+          + "\021phonetic_encoding\030\002 \001(\0162M.google.cloud.t"
+          + "exttospeech.v1beta1.CustomPronunciationParams.PhoneticEncodingH\001\210\001\001\022\032\n\r"
           + "pronunciation\030\003 \001(\tH\002\210\001\001\"\266\001\n"
           + "\020PhoneticEncoding\022!\n"
           + "\035PHONETIC_ENCODING_UNSPECIFIED\020\000\022\031\n"
@@ -190,11 +223,11 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\022_phonetic_encodingB\020\n"
           + "\016_pronunciation\"l\n"
           + "\024CustomPronunciations\022T\n"
-          + "\016pronunciations\030\001 \003("
-          + "\0132<.google.cloud.texttospeech.v1beta1.CustomPronunciationParams\"\225\001\n"
+          + "\016pronunciations\030\001 \003(\0132<.google.cloud.textt"
+          + "ospeech.v1beta1.CustomPronunciationParams\"\225\001\n"
           + "\022MultiSpeakerMarkup\022N\n"
-          + "\005turns\030\001 \003(\0132:.google.cloud.tex"
-          + "ttospeech.v1beta1.MultiSpeakerMarkup.TurnB\003\340A\002\032/\n"
+          + "\005turns\030\001 \003(\0132"
+          + ":.google.cloud.texttospeech.v1beta1.MultiSpeakerMarkup.TurnB\003\340A\002\032/\n"
           + "\004Turn\022\024\n"
           + "\007speaker\030\001 \001(\tB\003\340A\002\022\021\n"
           + "\004text\030\002 \001(\tB\003\340A\002\"P\n"
@@ -202,17 +235,17 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "speaker_alias\030\001 \001(\tB\003\340A\002\022\027\n\n"
           + "speaker_id\030\002 \001(\tB\003\340A\002\"{\n"
           + "\027MultiSpeakerVoiceConfig\022`\n"
-          + "\025speaker_voice_configs\030\002 \003(\0132<.go"
-          + "ogle.cloud.texttospeech.v1beta1.MultispeakerPrebuiltVoiceB\003\340A\002\"\246\002\n"
+          + "\025speaker_voice_configs\030\002 \003(\0132<.google.cloud.texttospeec"
+          + "h.v1beta1.MultispeakerPrebuiltVoiceB\003\340A\002\"\246\002\n"
           + "\016SynthesisInput\022\016\n"
           + "\004text\030\001 \001(\tH\000\022\020\n"
           + "\006markup\030\005 \001(\tH\000\022\016\n"
           + "\004ssml\030\002 \001(\tH\000\022U\n"
-          + "\024multi_speaker_markup\030\004 \001("
-          + "\01325.google.cloud.texttospeech.v1beta1.MultiSpeakerMarkupH\000\022\023\n"
+          + "\024multi_speaker_markup\030\004"
+          + " \001(\01325.google.cloud.texttospeech.v1beta1.MultiSpeakerMarkupH\000\022\023\n"
           + "\006prompt\030\006 \001(\tH\001\210\001\001\022[\n"
-          + "\025custom_pronunciations\030\003 \001(\01327.google."
-          + "cloud.texttospeech.v1beta1.CustomPronunciationsB\003\340A\001B\016\n"
+          + "\025custom_pronunciations\030\003"
+          + " \001(\01327.google.cloud.texttospeech.v1beta1.CustomPronunciationsB\003\340A\001B\016\n"
           + "\014input_sourceB\t\n"
           + "\007_prompt\"\242\003\n"
           + "\024VoiceSelectionParams\022\032\n\r"
@@ -220,16 +253,16 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\004name\030\002 \001(\t\022G\n"
           + "\013ssml_gender\030\003"
           + " \001(\01622.google.cloud.texttospeech.v1beta1.SsmlVoiceGender\022J\n"
-          + "\014custom_voice\030\004 \001("
-          + "\01324.google.cloud.texttospeech.v1beta1.CustomVoiceParams\022M\n"
-          + "\013voice_clone\030\005 \001(\01323.g"
-          + "oogle.cloud.texttospeech.v1beta1.VoiceCloneParamsB\003\340A\001\022\027\n\n"
+          + "\014custom_voice\030\004"
+          + " \001(\01324.google.cloud.texttospeech.v1beta1.CustomVoiceParams\022M\n"
+          + "\013voice_clone\030\005"
+          + " \001(\01323.google.cloud.texttospeech.v1beta1.VoiceCloneParamsB\003\340A\001\022\027\n\n"
           + "model_name\030\006 \001(\tB\003\340A\001\022c\n"
-          + "\032multi_speaker_voice_config\030\007 \001(\0132:.go"
-          + "ogle.cloud.texttospeech.v1beta1.MultiSpeakerVoiceConfigB\003\340A\001\"\366\001\n"
+          + "\032multi_speaker_voice_config\030\007 \001(\0132:.google.cloud.texttospeec"
+          + "h.v1beta1.MultiSpeakerVoiceConfigB\003\340A\001\"\366\001\n"
           + "\013AudioConfig\022M\n"
-          + "\016audio_encoding\030\001"
-          + " \001(\01620.google.cloud.texttospeech.v1beta1.AudioEncodingB\003\340A\002\022\035\n\r"
+          + "\016audio_encoding\030\001 \001(\01620"
+          + ".google.cloud.texttospeech.v1beta1.AudioEncodingB\003\340A\002\022\035\n\r"
           + "speaking_rate\030\002 \001(\001B\006\340A\004\340A\001\022\025\n"
           + "\005pitch\030\003 \001(\001B\006\340A\004\340A\001\022\036\n"
           + "\016volume_gain_db\030\004 \001(\001B\006\340A\004\340A\001\022\036\n"
@@ -238,8 +271,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\021CustomVoiceParams\0222\n"
           + "\005model\030\001 \001(\tB#\340A\002\372A\035\n"
           + "\033automl.googleapis.com/Model\022a\n"
-          + "\016reported_usage\030\003 \001(\0162B.google.cloud.texttospeech.v1be"
-          + "ta1.CustomVoiceParams.ReportedUsageB\005\030\001\340A\001\"J\n\r"
+          + "\016reported_usage\030\003 \001(\0162B.google.cloud"
+          + ".texttospeech.v1beta1.CustomVoiceParams.ReportedUsageB\005\030\001\340A\001\"J\n\r"
           + "ReportedUsage\022\036\n"
           + "\032REPORTED_USAGE_UNSPECIFIED\020\000\022\014\n"
           + "\010REALTIME\020\001\022\013\n"
@@ -249,36 +282,39 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\030SynthesizeSpeechResponse\022\025\n\r"
           + "audio_content\030\001 \001(\014\022@\n\n"
           + "timepoints\030\002 \003(\0132,.google.cloud.texttospeech.v1beta1.Timepoint\022D\n"
-          + "\014audio_config\030\004 \001(\0132..google."
-          + "cloud.texttospeech.v1beta1.AudioConfig\"4\n"
+          + "\014audio_config\030\004"
+          + " \001(\0132..google.cloud.texttospeech.v1beta1.AudioConfig\"4\n"
           + "\tTimepoint\022\021\n"
           + "\tmark_name\030\004 \001(\t\022\024\n"
           + "\014time_seconds\030\003 \001(\001\"\244\001\n"
           + "\024StreamingAudioConfig\022M\n"
-          + "\016audio_encoding\030\001"
-          + " \001(\01620.google.cloud.texttospeech.v1beta1.AudioEncodingB\003\340A\002\022\036\n"
+          + "\016audio_encoding\030\001 \001(\0162"
+          + "0.google.cloud.texttospeech.v1beta1.AudioEncodingB\003\340A\002\022\036\n"
           + "\021sample_rate_hertz\030\002 \001(\005B\003\340A\001\022\035\n\r"
-          + "speaking_rate\030\003 \001(\001B\006\340A\004\340A\001\"\243\002\n"
+          + "speaking_rate\030\003 \001(\001B\006\340A\004\340A\001\"\241\003\n"
           + "\031StreamingSynthesizeConfig\022K\n"
-          + "\005voice\030\001 \001(\01327.google.cloud."
-          + "texttospeech.v1beta1.VoiceSelectionParamsB\003\340A\002\022\\\n"
-          + "\026streaming_audio_config\030\004 \001(\01327"
-          + ".google.cloud.texttospeech.v1beta1.StreamingAudioConfigB\003\340A\001\022[\n"
-          + "\025custom_pronunciations\030\005"
-          + " \001(\01327.google.cloud.texttospeech.v1beta1.CustomPronunciationsB\003\340A\001\"\302\001\n"
+          + "\005voice\030\001 \001"
+          + "(\01327.google.cloud.texttospeech.v1beta1.VoiceSelectionParamsB\003\340A\002\022\\\n"
+          + "\026streaming_audio_config\030\004 \001(\01327.google.cloud.texttosp"
+          + "eech.v1beta1.StreamingAudioConfigB\003\340A\001\022[\n"
+          + "\025custom_pronunciations\030\005 \001(\01327.google.c"
+          + "loud.texttospeech.v1beta1.CustomPronunciationsB\003\340A\001\022a\n"
+          + "\026advanced_voice_options\030\007 "
+          + "\001(\01327.google.cloud.texttospeech.v1beta1.AdvancedVoiceOptionsB\003\340A\001H\000\210\001\001B\031\n"
+          + "\027_advanced_voice_options\"\302\001\n"
           + "\027StreamingSynthesisInput\022\016\n"
           + "\004text\030\001 \001(\tH\000\022\020\n"
           + "\006markup\030\005 \001(\tH\000\022U\n"
-          + "\024multi_speaker_markup\030\007"
-          + " \001(\01325.google.cloud.texttospeech.v1beta1.MultiSpeakerMarkupH\000\022\023\n"
+          + "\024multi_speaker_markup\030\007 \001(\01325.google.c"
+          + "loud.texttospeech.v1beta1.MultiSpeakerMarkupH\000\022\023\n"
           + "\006prompt\030\006 \001(\tH\001\210\001\001B\016\n"
           + "\014input_sourceB\t\n"
           + "\007_prompt\"\330\001\n"
           + "\032StreamingSynthesizeRequest\022X\n"
-          + "\020streaming_config\030\001"
-          + " \001(\0132<.google.cloud.texttospeech.v1beta1.StreamingSynthesizeConfigH\000\022K\n"
-          + "\005input\030\002"
-          + " \001(\0132:.google.cloud.texttospeech.v1beta1.StreamingSynthesisInputH\000B\023\n"
+          + "\020streaming_config\030\001 \001(\0132<.google"
+          + ".cloud.texttospeech.v1beta1.StreamingSynthesizeConfigH\000\022K\n"
+          + "\005input\030\002 \001(\0132:.google."
+          + "cloud.texttospeech.v1beta1.StreamingSynthesisInputH\000B\023\n"
           + "\021streaming_request\"4\n"
           + "\033StreamingSynthesizeResponse\022\025\n\r"
           + "audio_content\030\001 \001(\014*W\n"
@@ -298,26 +334,23 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\003PCM\020\007\022\007\n"
           + "\003M4A\020\0102\357\004\n"
           + "\014TextToSpeech\022\242\001\n\n"
-          + "ListVoices\0224.google.cloud.texttospeech.v1be"
-          + "ta1.ListVoicesRequest\0325.google.cloud.tex"
-          + "ttospeech.v1beta1.ListVoicesResponse\"\'\332A\r"
+          + "ListVoices\0224.google.cloud.texttospeech.v1beta1.ListVoicesRe"
+          + "quest\0325.google.cloud.texttospeech.v1beta1.ListVoicesResponse\"\'\332A\r"
           + "language_code\202\323\344\223\002\021\022\017/v1beta1/voices\022\313\001\n"
-          + "\020SynthesizeSpeech\022:.google.cloud.textto"
-          + "speech.v1beta1.SynthesizeSpeechRequest\032;.google.cloud.texttospeech.v1beta1.Synth"
-          + "esizeSpeechResponse\">\332A\030input,voice,audi"
-          + "o_config\202\323\344\223\002\035\"\030/v1beta1/text:synthesize:\001*\022\232\001\n"
-          + "\023StreamingSynthesize\022=.google.cloud.texttospeech.v1beta1.StreamingSynthes"
-          + "izeRequest\032>.google.cloud.texttospeech.v"
-          + "1beta1.StreamingSynthesizeResponse\"\000(\0010\001"
-          + "\032O\312A\033texttospeech.googleapis.com\322A.https"
-          + "://www.googleapis.com/auth/cloud-platformB\325\002\n"
-          + "%com.google.cloud.texttospeech.v1beta1B\021TextToSpeechProtoP\001ZIcloud.google.c"
-          + "om/go/texttospeech/apiv1beta1/texttospee"
-          + "chpb;texttospeechpb\242\002\004CTTS\252\002!Google.Clou"
-          + "d.TextToSpeech.V1Beta1\312\002!Google\\Cloud\\Te"
-          + "xtToSpeech\\V1beta1\352\002$Google::Cloud::TextToSpeech::V1beta1\352AU\n"
-          + "\033automl.googleapis.com/Model\0226projects/{project}/locations/"
-          + "{location}/models/{model}b\006proto3"
+          + "\020SynthesizeSpeech\022:.google.cloud.texttospeech.v1beta1.S"
+          + "ynthesizeSpeechRequest\032;.google.cloud.texttospeech.v1beta1.SynthesizeSpeechRespo"
+          + "nse\">\332A\030input,voice,audio_config\202\323\344\223\002\035\"\030/v1beta1/text:synthesize:\001*\022\232\001\n"
+          + "\023StreamingSynthesize\022=.google.cloud.texttospeech."
+          + "v1beta1.StreamingSynthesizeRequest\032>.google.cloud.texttospeech.v1beta1.Streaming"
+          + "SynthesizeResponse\"\000(\0010\001\032O\312A\033texttospeec"
+          + "h.googleapis.com\322A.https://www.googleapis.com/auth/cloud-platformB\325\002\n"
+          + "%com.google.cloud.texttospeech.v1beta1B\021TextToSpeec"
+          + "hProtoP\001ZIcloud.google.com/go/texttospeech/apiv1beta1/texttospeechpb;texttospeec"
+          + "hpb\242\002\004CTTS\252\002!Google.Cloud.TextToSpeech.V"
+          + "1Beta1\312\002!Google\\Cloud\\TextToSpeech\\V1bet"
+          + "a1\352\002$Google::Cloud::TextToSpeech::V1beta1\352AU\n"
+          + "\033automl.googleapis.com/Model\0226projects/{project}/locations/{location}/model"
+          + "s/{model}b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -358,7 +391,28 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_descriptor,
             new java.lang.String[] {
-              "LowLatencyJourneySynthesis", "RelaxSafetyFilters",
+              "LowLatencyJourneySynthesis",
+              "RelaxSafetyFilters",
+              "SafetySettings",
+              "EnableTextnorm",
+            });
+    internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySetting_descriptor =
+        internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_descriptor
+            .getNestedType(0);
+    internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySetting_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySetting_descriptor,
+            new java.lang.String[] {
+              "Category", "Threshold",
+            });
+    internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySettings_descriptor =
+        internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_descriptor
+            .getNestedType(1);
+    internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySettings_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_texttospeech_v1beta1_AdvancedVoiceOptions_SafetySettings_descriptor,
+            new java.lang.String[] {
+              "Settings",
             });
     internal_static_google_cloud_texttospeech_v1beta1_SynthesizeSpeechRequest_descriptor =
         getDescriptor().getMessageType(4);
@@ -504,7 +558,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_texttospeech_v1beta1_StreamingSynthesizeConfig_descriptor,
             new java.lang.String[] {
-              "Voice", "StreamingAudioConfig", "CustomPronunciations",
+              "Voice", "StreamingAudioConfig", "CustomPronunciations", "AdvancedVoiceOptions",
             });
     internal_static_google_cloud_texttospeech_v1beta1_StreamingSynthesisInput_descriptor =
         getDescriptor().getMessageType(19);
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/proto/google/cloud/texttospeech/v1beta1/cloud_tts.proto b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/proto/google/cloud/texttospeech/v1beta1/cloud_tts.proto
index 066043418712..d13736651fcf 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/proto/google/cloud/texttospeech/v1beta1/cloud_tts.proto
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/proto/google/cloud/texttospeech/v1beta1/cloud_tts.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -164,18 +164,85 @@ message Voice {
 
 // Used for advanced voice options.
 message AdvancedVoiceOptions {
+  // Safety setting for a single harm category.
+  message SafetySetting {
+    // The harm category to apply the safety setting to.
+    HarmCategory category = 1;
+
+    // The harm block threshold for the safety setting.
+    HarmBlockThreshold threshold = 2;
+  }
+
+  // Safety settings for the request.
+  message SafetySettings {
+    // The safety settings for the request.
+    repeated SafetySetting settings = 1;
+  }
+
+  // Harm categories that will block the content.
+  enum HarmCategory {
+    // Default value. This value is unused.
+    HARM_CATEGORY_UNSPECIFIED = 0;
+
+    // Content that promotes violence or incites hatred against individuals or
+    // groups based on certain attributes.
+    HARM_CATEGORY_HATE_SPEECH = 1;
+
+    // Content that promotes, facilitates, or enables dangerous activities.
+    HARM_CATEGORY_DANGEROUS_CONTENT = 2;
+
+    // Abusive, threatening, or content intended to bully, torment, or ridicule.
+    HARM_CATEGORY_HARASSMENT = 3;
+
+    // Content that contains sexually explicit material.
+    HARM_CATEGORY_SEXUALLY_EXPLICIT = 4;
+  }
+
+  // Harm block thresholds for the safety settings.
+  enum HarmBlockThreshold {
+    // The harm block threshold is unspecified.
+    HARM_BLOCK_THRESHOLD_UNSPECIFIED = 0;
+
+    // Block content with a low harm probability or higher.
+    BLOCK_LOW_AND_ABOVE = 1;
+
+    // Block content with a medium harm probability or higher.
+    BLOCK_MEDIUM_AND_ABOVE = 2;
+
+    // Block content with a high harm probability.
+    BLOCK_ONLY_HIGH = 3;
+
+    // Do not block any content, regardless of its harm probability.
+    BLOCK_NONE = 4;
+
+    // Turn off the safety filter entirely.
+    OFF = 5;
+  }
+
   // Only for Journey voices. If false, the synthesis is context aware
   // and has a higher latency.
   optional bool low_latency_journey_synthesis = 1;
 
-  // Optional. Input only. If true, relaxes safety filters for Gemini TTS. Only
-  // supported for accounts linked to Invoiced (Offline) Cloud billing accounts.
-  // Otherwise, will return result
-  // [google.rpc.Code.INVALID_ARGUMENT][google.rpc.Code.INVALID_ARGUMENT].
+  // Optional. Input only. Deprecated, use safety_settings instead.
+  // If true, relaxes safety filters for Gemini TTS.
   bool relax_safety_filters = 8 [
+    deprecated = true,
     (google.api.field_behavior) = INPUT_ONLY,
     (google.api.field_behavior) = OPTIONAL
   ];
+
+  // Optional. Input only. This applies to Gemini TTS only. If set, the category
+  // specified in the safety setting will be blocked if the harm probability is
+  // above the threshold. Otherwise, the safety filter will be disabled by
+  // default.
+  SafetySettings safety_settings = 9 [
+    (google.api.field_behavior) = INPUT_ONLY,
+    (google.api.field_behavior) = OPTIONAL
+  ];
+
+  // Optional. If true, textnorm will be applied to text input. This feature is
+  // enabled by default. Only applies for Gemini TTS.
+  optional bool enable_textnorm = 2 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // The top-level message sent by the client for the `SynthesizeSpeech` method.
@@ -201,8 +268,9 @@ message SynthesizeSpeechRequest {
   // Whether and what timepoints are returned in the response.
   repeated TimepointType enable_time_pointing = 4;
 
-  // Advanced voice options.
-  optional AdvancedVoiceOptions advanced_voice_options = 8;
+  // Optional. Advanced voice options.
+  optional AdvancedVoiceOptions advanced_voice_options = 8
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Pronunciation customization for a phrase.
@@ -311,8 +379,8 @@ message SynthesisInput {
     // The raw text to be synthesized.
     string text = 1;
 
-    // Markup for HD voices specifically. This field may not be used with any
-    // other voices.
+    // Markup for Chirp 3: HD voices specifically. This field may not be used
+    // with any other voices.
     string markup = 5;
 
     // The SSML document to be synthesized. The SSML document must be valid
@@ -554,6 +622,10 @@ message StreamingSynthesizeConfig {
   // be inside a phoneme tag.
   CustomPronunciations custom_pronunciations = 5
       [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Advanced voice options.
+  optional AdvancedVoiceOptions advanced_voice_options = 7
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Input to be synthesized.
@@ -564,8 +636,8 @@ message StreamingSynthesisInput {
     // in the output audio.
     string text = 1;
 
-    // Markup for HD voices specifically. This field may not be used with any
-    // other voices.
+    // Markup for Chirp 3: HD voices specifically. This field may not be used
+    // with any other voices.
     string markup = 5;
 
     // Multi-speaker markup for Gemini TTS. This field may not
diff --git a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/proto/google/cloud/texttospeech/v1beta1/cloud_tts_lrs.proto b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/proto/google/cloud/texttospeech/v1beta1/cloud_tts_lrs.proto
index 4fe7d56130a3..4b8a9c012e3c 100644
--- a/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/proto/google/cloud/texttospeech/v1beta1/cloud_tts_lrs.proto
+++ b/java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/proto/google/cloud/texttospeech/v1beta1/cloud_tts_lrs.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/MemorystoreClient.java b/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/MemorystoreClient.java
index 8c77a3b7a4d2..0057da86ac86 100644
--- a/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/MemorystoreClient.java
+++ b/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/MemorystoreClient.java
@@ -190,6 +190,25 @@
  *       </td>
  *    </tr>
  *    <tr>
+ *      <td><p> GetSharedRegionalCertificateAuthority</td>
+ *      <td><p> Gets the details of shared regional certificate authority information for Memorystore instance.</td>
+ *      <td>
+ *      <p>Request object method variants only take one parameter, a request object, which must be constructed before the call.</p>
+ *      <ul>
+ *           <li><p> getSharedRegionalCertificateAuthority(GetSharedRegionalCertificateAuthorityRequest request)
+ *      </ul>
+ *      <p>"Flattened" method variants have converted the fields of the request object into function parameters to enable multiple ways to call the same method.</p>
+ *      <ul>
+ *           <li><p> getSharedRegionalCertificateAuthority(SharedRegionalCertificateAuthorityName name)
+ *           <li><p> getSharedRegionalCertificateAuthority(String name)
+ *      </ul>
+ *      <p>Callable method variants take no parameters and return an immutable API callable object, which can be used to initiate calls to the service.</p>
+ *      <ul>
+ *           <li><p> getSharedRegionalCertificateAuthorityCallable()
+ *      </ul>
+ *       </td>
+ *    </tr>
+ *    <tr>
  *      <td><p> ListLocations</td>
  *      <td><p> Lists information about the supported locations for this service.</td>
  *      <td>
@@ -1169,6 +1188,133 @@ public final CertificateAuthority getCertificateAuthority(
     return stub.getCertificateAuthorityCallable();
   }
 
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Gets the details of shared regional certificate authority information for Memorystore instance.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (MemorystoreClient memorystoreClient = MemorystoreClient.create()) {
+   *   SharedRegionalCertificateAuthorityName name =
+   *       SharedRegionalCertificateAuthorityName.of("[PROJECT]", "[LOCATION]");
+   *   SharedRegionalCertificateAuthority response =
+   *       memorystoreClient.getSharedRegionalCertificateAuthority(name);
+   * }
+   * }</pre>
+   *
+   * @param name Required. Regional certificate authority resource name using the form:
+   *     `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority` where
+   *     `location_id` refers to a Google Cloud region.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final SharedRegionalCertificateAuthority getSharedRegionalCertificateAuthority(
+      SharedRegionalCertificateAuthorityName name) {
+    GetSharedRegionalCertificateAuthorityRequest request =
+        GetSharedRegionalCertificateAuthorityRequest.newBuilder()
+            .setName(name == null ? null : name.toString())
+            .build();
+    return getSharedRegionalCertificateAuthority(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Gets the details of shared regional certificate authority information for Memorystore instance.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (MemorystoreClient memorystoreClient = MemorystoreClient.create()) {
+   *   String name = SharedRegionalCertificateAuthorityName.of("[PROJECT]", "[LOCATION]").toString();
+   *   SharedRegionalCertificateAuthority response =
+   *       memorystoreClient.getSharedRegionalCertificateAuthority(name);
+   * }
+   * }</pre>
+   *
+   * @param name Required. Regional certificate authority resource name using the form:
+   *     `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority` where
+   *     `location_id` refers to a Google Cloud region.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final SharedRegionalCertificateAuthority getSharedRegionalCertificateAuthority(
+      String name) {
+    GetSharedRegionalCertificateAuthorityRequest request =
+        GetSharedRegionalCertificateAuthorityRequest.newBuilder().setName(name).build();
+    return getSharedRegionalCertificateAuthority(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Gets the details of shared regional certificate authority information for Memorystore instance.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (MemorystoreClient memorystoreClient = MemorystoreClient.create()) {
+   *   GetSharedRegionalCertificateAuthorityRequest request =
+   *       GetSharedRegionalCertificateAuthorityRequest.newBuilder()
+   *           .setName(
+   *               SharedRegionalCertificateAuthorityName.of("[PROJECT]", "[LOCATION]").toString())
+   *           .build();
+   *   SharedRegionalCertificateAuthority response =
+   *       memorystoreClient.getSharedRegionalCertificateAuthority(request);
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final SharedRegionalCertificateAuthority getSharedRegionalCertificateAuthority(
+      GetSharedRegionalCertificateAuthorityRequest request) {
+    return getSharedRegionalCertificateAuthorityCallable().call(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Gets the details of shared regional certificate authority information for Memorystore instance.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (MemorystoreClient memorystoreClient = MemorystoreClient.create()) {
+   *   GetSharedRegionalCertificateAuthorityRequest request =
+   *       GetSharedRegionalCertificateAuthorityRequest.newBuilder()
+   *           .setName(
+   *               SharedRegionalCertificateAuthorityName.of("[PROJECT]", "[LOCATION]").toString())
+   *           .build();
+   *   ApiFuture<SharedRegionalCertificateAuthority> future =
+   *       memorystoreClient.getSharedRegionalCertificateAuthorityCallable().futureCall(request);
+   *   // Do something.
+   *   SharedRegionalCertificateAuthority response = future.get();
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<
+          GetSharedRegionalCertificateAuthorityRequest, SharedRegionalCertificateAuthority>
+      getSharedRegionalCertificateAuthorityCallable() {
+    return stub.getSharedRegionalCertificateAuthorityCallable();
+  }
+
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
    * Lists information about the supported locations for this service.
diff --git a/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/MemorystoreSettings.java b/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/MemorystoreSettings.java
index e16e05c82d5c..5807fe10ea0e 100644
--- a/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/MemorystoreSettings.java
+++ b/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/MemorystoreSettings.java
@@ -170,6 +170,16 @@ public UnaryCallSettings<DeleteInstanceRequest, Operation> deleteInstanceSetting
     return ((MemorystoreStubSettings) getStubSettings()).getCertificateAuthoritySettings();
   }
 
+  /**
+   * Returns the object with the settings used for calls to getSharedRegionalCertificateAuthority.
+   */
+  public UnaryCallSettings<
+          GetSharedRegionalCertificateAuthorityRequest, SharedRegionalCertificateAuthority>
+      getSharedRegionalCertificateAuthoritySettings() {
+    return ((MemorystoreStubSettings) getStubSettings())
+        .getSharedRegionalCertificateAuthoritySettings();
+  }
+
   /** Returns the object with the settings used for calls to listLocations. */
   public PagedCallSettings<ListLocationsRequest, ListLocationsResponse, ListLocationsPagedResponse>
       listLocationsSettings() {
@@ -328,6 +338,15 @@ public UnaryCallSettings.Builder<DeleteInstanceRequest, Operation> deleteInstanc
       return getStubSettingsBuilder().getCertificateAuthoritySettings();
     }
 
+    /**
+     * Returns the builder for the settings used for calls to getSharedRegionalCertificateAuthority.
+     */
+    public UnaryCallSettings.Builder<
+            GetSharedRegionalCertificateAuthorityRequest, SharedRegionalCertificateAuthority>
+        getSharedRegionalCertificateAuthoritySettings() {
+      return getStubSettingsBuilder().getSharedRegionalCertificateAuthoritySettings();
+    }
+
     /** Returns the builder for the settings used for calls to listLocations. */
     public PagedCallSettings.Builder<
             ListLocationsRequest, ListLocationsResponse, ListLocationsPagedResponse>
diff --git a/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/gapic_metadata.json b/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/gapic_metadata.json
index 9a898c2a60af..3d5393eaef3c 100644
--- a/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/gapic_metadata.json
+++ b/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/gapic_metadata.json
@@ -25,6 +25,9 @@
             "GetLocation": {
               "methods": ["getLocation", "getLocationCallable"]
             },
+            "GetSharedRegionalCertificateAuthority": {
+              "methods": ["getSharedRegionalCertificateAuthority", "getSharedRegionalCertificateAuthority", "getSharedRegionalCertificateAuthority", "getSharedRegionalCertificateAuthorityCallable"]
+            },
             "ListInstances": {
               "methods": ["listInstances", "listInstances", "listInstances", "listInstancesPagedCallable", "listInstancesCallable"]
             },
diff --git a/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/stub/HttpJsonMemorystoreStub.java b/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/stub/HttpJsonMemorystoreStub.java
index 17593c79bf75..d8afabf19b5f 100644
--- a/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/stub/HttpJsonMemorystoreStub.java
+++ b/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/stub/HttpJsonMemorystoreStub.java
@@ -45,10 +45,12 @@
 import com.google.cloud.memorystore.v1beta.DeleteInstanceRequest;
 import com.google.cloud.memorystore.v1beta.GetCertificateAuthorityRequest;
 import com.google.cloud.memorystore.v1beta.GetInstanceRequest;
+import com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest;
 import com.google.cloud.memorystore.v1beta.Instance;
 import com.google.cloud.memorystore.v1beta.ListInstancesRequest;
 import com.google.cloud.memorystore.v1beta.ListInstancesResponse;
 import com.google.cloud.memorystore.v1beta.OperationMetadata;
+import com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority;
 import com.google.cloud.memorystore.v1beta.UpdateInstanceRequest;
 import com.google.common.collect.ImmutableMap;
 import com.google.longrunning.Operation;
@@ -308,6 +310,45 @@ public class HttpJsonMemorystoreStub extends MemorystoreStub {
                       .build())
               .build();
 
+  private static final ApiMethodDescriptor<
+          GetSharedRegionalCertificateAuthorityRequest, SharedRegionalCertificateAuthority>
+      getSharedRegionalCertificateAuthorityMethodDescriptor =
+          ApiMethodDescriptor
+              .<GetSharedRegionalCertificateAuthorityRequest, SharedRegionalCertificateAuthority>
+                  newBuilder()
+              .setFullMethodName(
+                  "google.cloud.memorystore.v1beta.Memorystore/GetSharedRegionalCertificateAuthority")
+              .setHttpMethod("GET")
+              .setType(ApiMethodDescriptor.MethodType.UNARY)
+              .setRequestFormatter(
+                  ProtoMessageRequestFormatter
+                      .<GetSharedRegionalCertificateAuthorityRequest>newBuilder()
+                      .setPath(
+                          "/v1beta/{name=projects/*/locations/*/sharedRegionalCertificateAuthority}",
+                          request -> {
+                            Map<String, String> fields = new HashMap<>();
+                            ProtoRestSerializer<GetSharedRegionalCertificateAuthorityRequest>
+                                serializer = ProtoRestSerializer.create();
+                            serializer.putPathParam(fields, "name", request.getName());
+                            return fields;
+                          })
+                      .setQueryParamsExtractor(
+                          request -> {
+                            Map<String, List<String>> fields = new HashMap<>();
+                            ProtoRestSerializer<GetSharedRegionalCertificateAuthorityRequest>
+                                serializer = ProtoRestSerializer.create();
+                            serializer.putQueryParam(fields, "$alt", "json;enum-encoding=int");
+                            return fields;
+                          })
+                      .setRequestBodyExtractor(request -> null)
+                      .build())
+              .setResponseParser(
+                  ProtoMessageResponseParser.<SharedRegionalCertificateAuthority>newBuilder()
+                      .setDefaultInstance(SharedRegionalCertificateAuthority.getDefaultInstance())
+                      .setDefaultTypeRegistry(typeRegistry)
+                      .build())
+              .build();
+
   private static final ApiMethodDescriptor<ListLocationsRequest, ListLocationsResponse>
       listLocationsMethodDescriptor =
           ApiMethodDescriptor.<ListLocationsRequest, ListLocationsResponse>newBuilder()
@@ -391,6 +432,9 @@ public class HttpJsonMemorystoreStub extends MemorystoreStub {
       deleteInstanceOperationCallable;
   private final UnaryCallable<GetCertificateAuthorityRequest, CertificateAuthority>
       getCertificateAuthorityCallable;
+  private final UnaryCallable<
+          GetSharedRegionalCertificateAuthorityRequest, SharedRegionalCertificateAuthority>
+      getSharedRegionalCertificateAuthorityCallable;
   private final UnaryCallable<ListLocationsRequest, ListLocationsResponse> listLocationsCallable;
   private final UnaryCallable<ListLocationsRequest, ListLocationsPagedResponse>
       listLocationsPagedCallable;
@@ -538,6 +582,22 @@ protected HttpJsonMemorystoreStub(
                     })
                 .setResourceNameExtractor(request -> request.getName())
                 .build();
+    HttpJsonCallSettings<
+            GetSharedRegionalCertificateAuthorityRequest, SharedRegionalCertificateAuthority>
+        getSharedRegionalCertificateAuthorityTransportSettings =
+            HttpJsonCallSettings
+                .<GetSharedRegionalCertificateAuthorityRequest, SharedRegionalCertificateAuthority>
+                    newBuilder()
+                .setMethodDescriptor(getSharedRegionalCertificateAuthorityMethodDescriptor)
+                .setTypeRegistry(typeRegistry)
+                .setParamsExtractor(
+                    request -> {
+                      RequestParamsBuilder builder = RequestParamsBuilder.create();
+                      builder.add("name", String.valueOf(request.getName()));
+                      return builder.build();
+                    })
+                .setResourceNameExtractor(request -> request.getName())
+                .build();
     HttpJsonCallSettings<ListLocationsRequest, ListLocationsResponse>
         listLocationsTransportSettings =
             HttpJsonCallSettings.<ListLocationsRequest, ListLocationsResponse>newBuilder()
@@ -603,6 +663,11 @@ protected HttpJsonMemorystoreStub(
             getCertificateAuthorityTransportSettings,
             settings.getCertificateAuthoritySettings(),
             clientContext);
+    this.getSharedRegionalCertificateAuthorityCallable =
+        callableFactory.createUnaryCallable(
+            getSharedRegionalCertificateAuthorityTransportSettings,
+            settings.getSharedRegionalCertificateAuthoritySettings(),
+            clientContext);
     this.listLocationsCallable =
         callableFactory.createUnaryCallable(
             listLocationsTransportSettings, settings.listLocationsSettings(), clientContext);
@@ -626,6 +691,7 @@ public static List<ApiMethodDescriptor> getMethodDescriptors() {
     methodDescriptors.add(updateInstanceMethodDescriptor);
     methodDescriptors.add(deleteInstanceMethodDescriptor);
     methodDescriptors.add(getCertificateAuthorityMethodDescriptor);
+    methodDescriptors.add(getSharedRegionalCertificateAuthorityMethodDescriptor);
     methodDescriptors.add(listLocationsMethodDescriptor);
     methodDescriptors.add(getLocationMethodDescriptor);
     return methodDescriptors;
@@ -690,6 +756,13 @@ public UnaryCallable<DeleteInstanceRequest, Operation> deleteInstanceCallable()
     return getCertificateAuthorityCallable;
   }
 
+  @Override
+  public UnaryCallable<
+          GetSharedRegionalCertificateAuthorityRequest, SharedRegionalCertificateAuthority>
+      getSharedRegionalCertificateAuthorityCallable() {
+    return getSharedRegionalCertificateAuthorityCallable;
+  }
+
   @Override
   public UnaryCallable<ListLocationsRequest, ListLocationsResponse> listLocationsCallable() {
     return listLocationsCallable;
diff --git a/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/stub/MemorystoreStub.java b/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/stub/MemorystoreStub.java
index 06822c54e66a..0d069c6539a1 100644
--- a/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/stub/MemorystoreStub.java
+++ b/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/stub/MemorystoreStub.java
@@ -33,10 +33,12 @@
 import com.google.cloud.memorystore.v1beta.DeleteInstanceRequest;
 import com.google.cloud.memorystore.v1beta.GetCertificateAuthorityRequest;
 import com.google.cloud.memorystore.v1beta.GetInstanceRequest;
+import com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest;
 import com.google.cloud.memorystore.v1beta.Instance;
 import com.google.cloud.memorystore.v1beta.ListInstancesRequest;
 import com.google.cloud.memorystore.v1beta.ListInstancesResponse;
 import com.google.cloud.memorystore.v1beta.OperationMetadata;
+import com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority;
 import com.google.cloud.memorystore.v1beta.UpdateInstanceRequest;
 import com.google.longrunning.Operation;
 import com.google.protobuf.Empty;
@@ -101,6 +103,13 @@ public UnaryCallable<DeleteInstanceRequest, Operation> deleteInstanceCallable()
     throw new UnsupportedOperationException("Not implemented: getCertificateAuthorityCallable()");
   }
 
+  public UnaryCallable<
+          GetSharedRegionalCertificateAuthorityRequest, SharedRegionalCertificateAuthority>
+      getSharedRegionalCertificateAuthorityCallable() {
+    throw new UnsupportedOperationException(
+        "Not implemented: getSharedRegionalCertificateAuthorityCallable()");
+  }
+
   public UnaryCallable<ListLocationsRequest, ListLocationsPagedResponse>
       listLocationsPagedCallable() {
     throw new UnsupportedOperationException("Not implemented: listLocationsPagedCallable()");
diff --git a/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/stub/MemorystoreStubSettings.java b/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/stub/MemorystoreStubSettings.java
index 75d4196175aa..823a03c08689 100644
--- a/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/stub/MemorystoreStubSettings.java
+++ b/java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1beta/stub/MemorystoreStubSettings.java
@@ -56,10 +56,12 @@
 import com.google.cloud.memorystore.v1beta.DeleteInstanceRequest;
 import com.google.cloud.memorystore.v1beta.GetCertificateAuthorityRequest;
 import com.google.cloud.memorystore.v1beta.GetInstanceRequest;
+import com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest;
 import com.google.cloud.memorystore.v1beta.Instance;
 import com.google.cloud.memorystore.v1beta.ListInstancesRequest;
 import com.google.cloud.memorystore.v1beta.ListInstancesResponse;
 import com.google.cloud.memorystore.v1beta.OperationMetadata;
+import com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority;
 import com.google.cloud.memorystore.v1beta.UpdateInstanceRequest;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
@@ -171,6 +173,9 @@ public class MemorystoreStubSettings extends StubSettings<MemorystoreStubSetting
       deleteInstanceOperationSettings;
   private final UnaryCallSettings<GetCertificateAuthorityRequest, CertificateAuthority>
       getCertificateAuthoritySettings;
+  private final UnaryCallSettings<
+          GetSharedRegionalCertificateAuthorityRequest, SharedRegionalCertificateAuthority>
+      getSharedRegionalCertificateAuthoritySettings;
   private final PagedCallSettings<
           ListLocationsRequest, ListLocationsResponse, ListLocationsPagedResponse>
       listLocationsSettings;
@@ -328,6 +333,15 @@ public UnaryCallSettings<DeleteInstanceRequest, Operation> deleteInstanceSetting
     return getCertificateAuthoritySettings;
   }
 
+  /**
+   * Returns the object with the settings used for calls to getSharedRegionalCertificateAuthority.
+   */
+  public UnaryCallSettings<
+          GetSharedRegionalCertificateAuthorityRequest, SharedRegionalCertificateAuthority>
+      getSharedRegionalCertificateAuthoritySettings() {
+    return getSharedRegionalCertificateAuthoritySettings;
+  }
+
   /** Returns the object with the settings used for calls to listLocations. */
   public PagedCallSettings<ListLocationsRequest, ListLocationsResponse, ListLocationsPagedResponse>
       listLocationsSettings() {
@@ -430,6 +444,8 @@ protected MemorystoreStubSettings(Builder settingsBuilder) throws IOException {
     deleteInstanceSettings = settingsBuilder.deleteInstanceSettings().build();
     deleteInstanceOperationSettings = settingsBuilder.deleteInstanceOperationSettings().build();
     getCertificateAuthoritySettings = settingsBuilder.getCertificateAuthoritySettings().build();
+    getSharedRegionalCertificateAuthoritySettings =
+        settingsBuilder.getSharedRegionalCertificateAuthoritySettings().build();
     listLocationsSettings = settingsBuilder.listLocationsSettings().build();
     getLocationSettings = settingsBuilder.getLocationSettings().build();
   }
@@ -464,6 +480,9 @@ public static class Builder extends StubSettings.Builder<MemorystoreStubSettings
         deleteInstanceOperationSettings;
     private final UnaryCallSettings.Builder<GetCertificateAuthorityRequest, CertificateAuthority>
         getCertificateAuthoritySettings;
+    private final UnaryCallSettings.Builder<
+            GetSharedRegionalCertificateAuthorityRequest, SharedRegionalCertificateAuthority>
+        getSharedRegionalCertificateAuthoritySettings;
     private final PagedCallSettings.Builder<
             ListLocationsRequest, ListLocationsResponse, ListLocationsPagedResponse>
         listLocationsSettings;
@@ -528,6 +547,8 @@ protected Builder(ClientContext clientContext) {
       deleteInstanceSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       deleteInstanceOperationSettings = OperationCallSettings.newBuilder();
       getCertificateAuthoritySettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      getSharedRegionalCertificateAuthoritySettings =
+          UnaryCallSettings.newUnaryCallSettingsBuilder();
       listLocationsSettings = PagedCallSettings.newBuilder(LIST_LOCATIONS_PAGE_STR_FACT);
       getLocationSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
 
@@ -539,6 +560,7 @@ protected Builder(ClientContext clientContext) {
               updateInstanceSettings,
               deleteInstanceSettings,
               getCertificateAuthoritySettings,
+              getSharedRegionalCertificateAuthoritySettings,
               listLocationsSettings,
               getLocationSettings);
       initDefaults(this);
@@ -556,6 +578,8 @@ protected Builder(MemorystoreStubSettings settings) {
       deleteInstanceSettings = settings.deleteInstanceSettings.toBuilder();
       deleteInstanceOperationSettings = settings.deleteInstanceOperationSettings.toBuilder();
       getCertificateAuthoritySettings = settings.getCertificateAuthoritySettings.toBuilder();
+      getSharedRegionalCertificateAuthoritySettings =
+          settings.getSharedRegionalCertificateAuthoritySettings.toBuilder();
       listLocationsSettings = settings.listLocationsSettings.toBuilder();
       getLocationSettings = settings.getLocationSettings.toBuilder();
 
@@ -567,6 +591,7 @@ protected Builder(MemorystoreStubSettings settings) {
               updateInstanceSettings,
               deleteInstanceSettings,
               getCertificateAuthoritySettings,
+              getSharedRegionalCertificateAuthoritySettings,
               listLocationsSettings,
               getLocationSettings);
     }
@@ -614,6 +639,11 @@ private static Builder initDefaults(Builder builder) {
           .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
           .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
 
+      builder
+          .getSharedRegionalCertificateAuthoritySettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("no_retry_params"));
+
       builder
           .listLocationsSettings()
           .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_codes"))
@@ -765,6 +795,15 @@ public UnaryCallSettings.Builder<DeleteInstanceRequest, Operation> deleteInstanc
       return getCertificateAuthoritySettings;
     }
 
+    /**
+     * Returns the builder for the settings used for calls to getSharedRegionalCertificateAuthority.
+     */
+    public UnaryCallSettings.Builder<
+            GetSharedRegionalCertificateAuthorityRequest, SharedRegionalCertificateAuthority>
+        getSharedRegionalCertificateAuthoritySettings() {
+      return getSharedRegionalCertificateAuthoritySettings;
+    }
+
     /** Returns the builder for the settings used for calls to listLocations. */
     public PagedCallSettings.Builder<
             ListLocationsRequest, ListLocationsResponse, ListLocationsPagedResponse>
diff --git a/java-valkey/google-cloud-valkey/src/main/resources/META-INF/native-image/com.google.cloud.memorystore.v1beta/reflect-config.json b/java-valkey/google-cloud-valkey/src/main/resources/META-INF/native-image/com.google.cloud.memorystore.v1beta/reflect-config.json
index 30447ade5c94..59e33be0fcd9 100644
--- a/java-valkey/google-cloud-valkey/src/main/resources/META-INF/native-image/com.google.cloud.memorystore.v1beta/reflect-config.json
+++ b/java-valkey/google-cloud-valkey/src/main/resources/META-INF/native-image/com.google.cloud.memorystore.v1beta/reflect-config.json
@@ -746,6 +746,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.memorystore.v1beta.Instance",
     "queryAllDeclaredConstructors": true,
@@ -827,6 +845,15 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.memorystore.v1beta.Instance$ServerCaMode",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.memorystore.v1beta.Instance$State",
     "queryAllDeclaredConstructors": true,
@@ -1079,6 +1106,60 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority$RegionalManagedCertificateAuthority",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority$RegionalManagedCertificateAuthority$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority$RegionalManagedCertificateAuthority$RegionalCertChain",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority$RegionalManagedCertificateAuthority$RegionalCertChain$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.memorystore.v1beta.UpdateInstanceRequest",
     "queryAllDeclaredConstructors": true,
diff --git a/java-valkey/google-cloud-valkey/src/test/java/com/google/cloud/memorystore/v1beta/MemorystoreClientTest.java b/java-valkey/google-cloud-valkey/src/test/java/com/google/cloud/memorystore/v1beta/MemorystoreClientTest.java
index f0e2b2a8e05e..0676f43873e7 100644
--- a/java-valkey/google-cloud-valkey/src/test/java/com/google/cloud/memorystore/v1beta/MemorystoreClientTest.java
+++ b/java-valkey/google-cloud-valkey/src/test/java/com/google/cloud/memorystore/v1beta/MemorystoreClientTest.java
@@ -209,6 +209,8 @@ public void getInstanceTest() throws Exception {
             .setDeletionProtectionEnabled(true)
             .addAllPscAutoConnections(new ArrayList<PscAutoConnection>())
             .addAllEndpoints(new ArrayList<Instance.InstanceEndpoint>())
+            .setServerCaPool("serverCaPool1433802429")
+            .setRotateServerCertificate(true)
             .build();
     mockService.addResponse(expectedResponse);
 
@@ -269,6 +271,8 @@ public void getInstanceTest2() throws Exception {
             .setDeletionProtectionEnabled(true)
             .addAllPscAutoConnections(new ArrayList<PscAutoConnection>())
             .addAllEndpoints(new ArrayList<Instance.InstanceEndpoint>())
+            .setServerCaPool("serverCaPool1433802429")
+            .setRotateServerCertificate(true)
             .build();
     mockService.addResponse(expectedResponse);
 
@@ -329,6 +333,8 @@ public void createInstanceTest() throws Exception {
             .setDeletionProtectionEnabled(true)
             .addAllPscAutoConnections(new ArrayList<PscAutoConnection>())
             .addAllEndpoints(new ArrayList<Instance.InstanceEndpoint>())
+            .setServerCaPool("serverCaPool1433802429")
+            .setRotateServerCertificate(true)
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -398,6 +404,8 @@ public void createInstanceTest2() throws Exception {
             .setDeletionProtectionEnabled(true)
             .addAllPscAutoConnections(new ArrayList<PscAutoConnection>())
             .addAllEndpoints(new ArrayList<Instance.InstanceEndpoint>())
+            .setServerCaPool("serverCaPool1433802429")
+            .setRotateServerCertificate(true)
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -467,6 +475,8 @@ public void updateInstanceTest() throws Exception {
             .setDeletionProtectionEnabled(true)
             .addAllPscAutoConnections(new ArrayList<PscAutoConnection>())
             .addAllEndpoints(new ArrayList<Instance.InstanceEndpoint>())
+            .setServerCaPool("serverCaPool1433802429")
+            .setRotateServerCertificate(true)
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -495,6 +505,8 @@ public void updateInstanceTest() throws Exception {
             .setDeletionProtectionEnabled(true)
             .addAllPscAutoConnections(new ArrayList<PscAutoConnection>())
             .addAllEndpoints(new ArrayList<Instance.InstanceEndpoint>())
+            .setServerCaPool("serverCaPool1433802429")
+            .setRotateServerCertificate(true)
             .build();
     FieldMask updateMask = FieldMask.newBuilder().build();
 
@@ -543,6 +555,8 @@ public void updateInstanceExceptionTest() throws Exception {
               .setDeletionProtectionEnabled(true)
               .addAllPscAutoConnections(new ArrayList<PscAutoConnection>())
               .addAllEndpoints(new ArrayList<Instance.InstanceEndpoint>())
+              .setServerCaPool("serverCaPool1433802429")
+              .setRotateServerCertificate(true)
               .build();
       FieldMask updateMask = FieldMask.newBuilder().build();
       client.updateInstanceAsync(instance, updateMask).get();
@@ -725,6 +739,101 @@ public void getCertificateAuthorityExceptionTest2() throws Exception {
     }
   }
 
+  @Test
+  public void getSharedRegionalCertificateAuthorityTest() throws Exception {
+    SharedRegionalCertificateAuthority expectedResponse =
+        SharedRegionalCertificateAuthority.newBuilder()
+            .setName(
+                SharedRegionalCertificateAuthorityName.of("[PROJECT]", "[LOCATION]").toString())
+            .build();
+    mockService.addResponse(expectedResponse);
+
+    SharedRegionalCertificateAuthorityName name =
+        SharedRegionalCertificateAuthorityName.of("[PROJECT]", "[LOCATION]");
+
+    SharedRegionalCertificateAuthority actualResponse =
+        client.getSharedRegionalCertificateAuthority(name);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void getSharedRegionalCertificateAuthorityExceptionTest() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      SharedRegionalCertificateAuthorityName name =
+          SharedRegionalCertificateAuthorityName.of("[PROJECT]", "[LOCATION]");
+      client.getSharedRegionalCertificateAuthority(name);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void getSharedRegionalCertificateAuthorityTest2() throws Exception {
+    SharedRegionalCertificateAuthority expectedResponse =
+        SharedRegionalCertificateAuthority.newBuilder()
+            .setName(
+                SharedRegionalCertificateAuthorityName.of("[PROJECT]", "[LOCATION]").toString())
+            .build();
+    mockService.addResponse(expectedResponse);
+
+    String name = "projects/project-693/locations/location-693/sharedRegionalCertificateAuthority";
+
+    SharedRegionalCertificateAuthority actualResponse =
+        client.getSharedRegionalCertificateAuthority(name);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void getSharedRegionalCertificateAuthorityExceptionTest2() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      String name =
+          "projects/project-693/locations/location-693/sharedRegionalCertificateAuthority";
+      client.getSharedRegionalCertificateAuthority(name);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
   @Test
   public void listLocationsTest() throws Exception {
     Location responsesElement = Location.newBuilder().build();
diff --git a/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/GetSharedRegionalCertificateAuthorityRequest.java b/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/GetSharedRegionalCertificateAuthorityRequest.java
new file mode 100644
index 000000000000..25642c261400
--- /dev/null
+++ b/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/GetSharedRegionalCertificateAuthorityRequest.java
@@ -0,0 +1,664 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/memorystore/v1beta/memorystore.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.memorystore.v1beta;
+
+/**
+ *
+ *
+ * <pre>
+ * Request for
+ * [GetSharedRegionalCertificateAuthority][google.cloud.memorystore.v1beta.Memorystore.GetSharedRegionalCertificateAuthority].
+ * </pre>
+ *
+ * Protobuf type {@code
+ * google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest}
+ */
+@com.google.protobuf.Generated
+public final class GetSharedRegionalCertificateAuthorityRequest
+    extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest)
+    GetSharedRegionalCertificateAuthorityRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "GetSharedRegionalCertificateAuthorityRequest");
+  }
+
+  // Use GetSharedRegionalCertificateAuthorityRequest.newBuilder() to construct.
+  private GetSharedRegionalCertificateAuthorityRequest(
+      com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private GetSharedRegionalCertificateAuthorityRequest() {
+    name_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.memorystore.v1beta.V1mainProto
+        .internal_static_google_cloud_memorystore_v1beta_GetSharedRegionalCertificateAuthorityRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.memorystore.v1beta.V1mainProto
+        .internal_static_google_cloud_memorystore_v1beta_GetSharedRegionalCertificateAuthorityRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest.class,
+            com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest.Builder
+                .class);
+  }
+
+  public static final int NAME_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object name_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Regional certificate authority resource name using the form:
+   * `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+   * where `location_id` refers to a Google Cloud region.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The name.
+   */
+  @java.lang.Override
+  public java.lang.String getName() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      name_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Regional certificate authority resource name using the form:
+   * `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+   * where `location_id` refers to a Google Cloud region.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for name.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNameBytes() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      name_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, name_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj
+        instanceof
+        com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest other =
+        (com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest) obj;
+
+    if (!getName().equals(other.getName())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getName().hashCode();
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+      parseFrom(java.nio.ByteBuffer data)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+      parseFrom(
+          java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+      parseFrom(com.google.protobuf.ByteString data)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+      parseFrom(
+          com.google.protobuf.ByteString data,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+      parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+      parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+      parseFrom(java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+      parseFrom(
+          java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+      parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+      parseDelimitedFrom(
+          java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+      parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+      parseFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Request for
+   * [GetSharedRegionalCertificateAuthority][google.cloud.memorystore.v1beta.Memorystore.GetSharedRegionalCertificateAuthority].
+   * </pre>
+   *
+   * Protobuf type {@code
+   * google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest)
+      com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.memorystore.v1beta.V1mainProto
+          .internal_static_google_cloud_memorystore_v1beta_GetSharedRegionalCertificateAuthorityRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.memorystore.v1beta.V1mainProto
+          .internal_static_google_cloud_memorystore_v1beta_GetSharedRegionalCertificateAuthorityRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+                  .class,
+              com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+                  .Builder.class);
+    }
+
+    // Construct using
+    // com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      name_ = "";
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.memorystore.v1beta.V1mainProto
+          .internal_static_google_cloud_memorystore_v1beta_GetSharedRegionalCertificateAuthorityRequest_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+        getDefaultInstanceForType() {
+      return com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+          .getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+        build() {
+      com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest result =
+          buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+        buildPartial() {
+      com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest result =
+          new com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest(
+              this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(
+        com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.name_ = name_;
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other
+          instanceof
+          com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest) {
+        return mergeFrom(
+            (com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest)
+                other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(
+        com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest other) {
+      if (other
+          == com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+              .getDefaultInstance()) return this;
+      if (!other.getName().isEmpty()) {
+        name_ = other.name_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                name_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object name_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Regional certificate authority resource name using the form:
+     * `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+     * where `location_id` refers to a Google Cloud region.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The name.
+     */
+    public java.lang.String getName() {
+      java.lang.Object ref = name_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        name_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Regional certificate authority resource name using the form:
+     * `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+     * where `location_id` refers to a Google Cloud region.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for name.
+     */
+    public com.google.protobuf.ByteString getNameBytes() {
+      java.lang.Object ref = name_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        name_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Regional certificate authority resource name using the form:
+     * `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+     * where `location_id` refers to a Google Cloud region.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      name_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Regional certificate authority resource name using the form:
+     * `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+     * where `location_id` refers to a Google Cloud region.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+      name_ = getDefaultInstance().getName();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Regional certificate authority resource name using the form:
+     * `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+     * where `location_id` refers to a Google Cloud region.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      name_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest)
+  private static final com.google.cloud.memorystore.v1beta
+          .GetSharedRegionalCertificateAuthorityRequest
+      DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE =
+        new com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest();
+  }
+
+  public static com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+      getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<GetSharedRegionalCertificateAuthorityRequest>
+      PARSER =
+          new com.google.protobuf.AbstractParser<GetSharedRegionalCertificateAuthorityRequest>() {
+            @java.lang.Override
+            public GetSharedRegionalCertificateAuthorityRequest parsePartialFrom(
+                com.google.protobuf.CodedInputStream input,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+              Builder builder = newBuilder();
+              try {
+                builder.mergeFrom(input, extensionRegistry);
+              } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+                throw e.setUnfinishedMessage(builder.buildPartial());
+              } catch (com.google.protobuf.UninitializedMessageException e) {
+                throw e.asInvalidProtocolBufferException()
+                    .setUnfinishedMessage(builder.buildPartial());
+              } catch (java.io.IOException e) {
+                throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                    .setUnfinishedMessage(builder.buildPartial());
+              }
+              return builder.buildPartial();
+            }
+          };
+
+  public static com.google.protobuf.Parser<GetSharedRegionalCertificateAuthorityRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<GetSharedRegionalCertificateAuthorityRequest>
+      getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest
+      getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/GetSharedRegionalCertificateAuthorityRequestOrBuilder.java b/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/GetSharedRegionalCertificateAuthorityRequestOrBuilder.java
new file mode 100644
index 000000000000..c7fe65c7927c
--- /dev/null
+++ b/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/GetSharedRegionalCertificateAuthorityRequestOrBuilder.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/memorystore/v1beta/memorystore.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.memorystore.v1beta;
+
+@com.google.protobuf.Generated
+public interface GetSharedRegionalCertificateAuthorityRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Regional certificate authority resource name using the form:
+   * `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+   * where `location_id` refers to a Google Cloud region.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The name.
+   */
+  java.lang.String getName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Regional certificate authority resource name using the form:
+   * `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+   * where `location_id` refers to a Google Cloud region.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString getNameBytes();
+}
diff --git a/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/Instance.java b/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/Instance.java
index 206224ea230c..4f31587be98e 100644
--- a/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/Instance.java
+++ b/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/Instance.java
@@ -63,6 +63,8 @@ private Instance() {
     pscAutoConnections_ = java.util.Collections.emptyList();
     endpoints_ = java.util.Collections.emptyList();
     mode_ = 0;
+    serverCaMode_ = 0;
+    serverCaPool_ = "";
   }
 
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
@@ -1063,6 +1065,280 @@ private Mode(int value) {
     // @@protoc_insertion_point(enum_scope:google.cloud.memorystore.v1beta.Instance.Mode)
   }
 
+  /**
+   *
+   *
+   * <pre>
+   * The Server CA mode for the instance.
+   * </pre>
+   *
+   * Protobuf enum {@code google.cloud.memorystore.v1beta.Instance.ServerCaMode}
+   */
+  public enum ServerCaMode implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * Server CA mode not specified.
+     * </pre>
+     *
+     * <code>SERVER_CA_MODE_UNSPECIFIED = 0;</code>
+     */
+    SERVER_CA_MODE_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * Each instance has its own Google-managed CA.
+     * </pre>
+     *
+     * <code>GOOGLE_MANAGED_PER_INSTANCE_CA = 1;</code>
+     */
+    GOOGLE_MANAGED_PER_INSTANCE_CA(1),
+    /**
+     *
+     *
+     * <pre>
+     * The instance uses a Google-managed shared CA for the instance's region.
+     * </pre>
+     *
+     * <code>GOOGLE_MANAGED_SHARED_CA = 2;</code>
+     */
+    GOOGLE_MANAGED_SHARED_CA(2),
+    /**
+     *
+     *
+     * <pre>
+     * The instance uses a customer-managed CA from CAS.
+     * </pre>
+     *
+     * <code>CUSTOMER_MANAGED_CAS_CA = 3;</code>
+     */
+    CUSTOMER_MANAGED_CAS_CA(3),
+    UNRECOGNIZED(-1),
+    ;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "ServerCaMode");
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Deprecated: Use GOOGLE_MANAGED_PER_INSTANCE_CA instead.
+     * </pre>
+     *
+     * <code>SERVER_CA_MODE_GOOGLE_MANAGED_PER_INSTANCE_CA = 1 [deprecated = true];</code>
+     */
+    public static final ServerCaMode SERVER_CA_MODE_GOOGLE_MANAGED_PER_INSTANCE_CA =
+        GOOGLE_MANAGED_PER_INSTANCE_CA;
+
+    /**
+     *
+     *
+     * <pre>
+     * Deprecated: Use GOOGLE_MANAGED_SHARED_CA instead.
+     * </pre>
+     *
+     * <code>SERVER_CA_MODE_GOOGLE_MANAGED_SHARED_CA = 2 [deprecated = true];</code>
+     */
+    public static final ServerCaMode SERVER_CA_MODE_GOOGLE_MANAGED_SHARED_CA =
+        GOOGLE_MANAGED_SHARED_CA;
+
+    /**
+     *
+     *
+     * <pre>
+     * Deprecated: Use CUSTOMER_MANAGED_CAS_CA instead.
+     * </pre>
+     *
+     * <code>SERVER_CA_MODE_CUSTOMER_MANAGED_CAS_CA = 3 [deprecated = true];</code>
+     */
+    public static final ServerCaMode SERVER_CA_MODE_CUSTOMER_MANAGED_CAS_CA =
+        CUSTOMER_MANAGED_CAS_CA;
+
+    /**
+     *
+     *
+     * <pre>
+     * Server CA mode not specified.
+     * </pre>
+     *
+     * <code>SERVER_CA_MODE_UNSPECIFIED = 0;</code>
+     */
+    public static final int SERVER_CA_MODE_UNSPECIFIED_VALUE = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Each instance has its own Google-managed CA.
+     * </pre>
+     *
+     * <code>GOOGLE_MANAGED_PER_INSTANCE_CA = 1;</code>
+     */
+    public static final int GOOGLE_MANAGED_PER_INSTANCE_CA_VALUE = 1;
+
+    /**
+     *
+     *
+     * <pre>
+     * The instance uses a Google-managed shared CA for the instance's region.
+     * </pre>
+     *
+     * <code>GOOGLE_MANAGED_SHARED_CA = 2;</code>
+     */
+    public static final int GOOGLE_MANAGED_SHARED_CA_VALUE = 2;
+
+    /**
+     *
+     *
+     * <pre>
+     * The instance uses a customer-managed CA from CAS.
+     * </pre>
+     *
+     * <code>CUSTOMER_MANAGED_CAS_CA = 3;</code>
+     */
+    public static final int CUSTOMER_MANAGED_CAS_CA_VALUE = 3;
+
+    /**
+     *
+     *
+     * <pre>
+     * Deprecated: Use GOOGLE_MANAGED_PER_INSTANCE_CA instead.
+     * </pre>
+     *
+     * <code>SERVER_CA_MODE_GOOGLE_MANAGED_PER_INSTANCE_CA = 1 [deprecated = true];</code>
+     */
+    @java.lang.Deprecated
+    public static final int SERVER_CA_MODE_GOOGLE_MANAGED_PER_INSTANCE_CA_VALUE = 1;
+
+    /**
+     *
+     *
+     * <pre>
+     * Deprecated: Use GOOGLE_MANAGED_SHARED_CA instead.
+     * </pre>
+     *
+     * <code>SERVER_CA_MODE_GOOGLE_MANAGED_SHARED_CA = 2 [deprecated = true];</code>
+     */
+    @java.lang.Deprecated public static final int SERVER_CA_MODE_GOOGLE_MANAGED_SHARED_CA_VALUE = 2;
+
+    /**
+     *
+     *
+     * <pre>
+     * Deprecated: Use CUSTOMER_MANAGED_CAS_CA instead.
+     * </pre>
+     *
+     * <code>SERVER_CA_MODE_CUSTOMER_MANAGED_CAS_CA = 3 [deprecated = true];</code>
+     */
+    @java.lang.Deprecated public static final int SERVER_CA_MODE_CUSTOMER_MANAGED_CAS_CA_VALUE = 3;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static ServerCaMode valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static ServerCaMode forNumber(int value) {
+      switch (value) {
+        case 0:
+          return SERVER_CA_MODE_UNSPECIFIED;
+        case 1:
+          return GOOGLE_MANAGED_PER_INSTANCE_CA;
+        case 2:
+          return GOOGLE_MANAGED_SHARED_CA;
+        case 3:
+          return CUSTOMER_MANAGED_CAS_CA;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<ServerCaMode> internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<ServerCaMode> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap<ServerCaMode>() {
+          public ServerCaMode findValueByNumber(int number) {
+            return ServerCaMode.forNumber(number);
+          }
+        };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloud.memorystore.v1beta.Instance.getDescriptor().getEnumTypes().get(5);
+    }
+
+    private static final ServerCaMode[] VALUES = getStaticValuesArray();
+
+    private static ServerCaMode[] getStaticValuesArray() {
+      return new ServerCaMode[] {
+        SERVER_CA_MODE_UNSPECIFIED,
+        GOOGLE_MANAGED_PER_INSTANCE_CA,
+        GOOGLE_MANAGED_SHARED_CA,
+        CUSTOMER_MANAGED_CAS_CA,
+        SERVER_CA_MODE_GOOGLE_MANAGED_PER_INSTANCE_CA,
+        SERVER_CA_MODE_GOOGLE_MANAGED_SHARED_CA,
+        SERVER_CA_MODE_CUSTOMER_MANAGED_CAS_CA,
+      };
+    }
+
+    public static ServerCaMode valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private ServerCaMode(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.cloud.memorystore.v1beta.Instance.ServerCaMode)
+  }
+
   public interface StateInfoOrBuilder
       extends
       // @@protoc_insertion_point(interface_extends:google.cloud.memorystore.v1beta.Instance.StateInfo)
@@ -6286,36 +6562,217 @@ public com.google.cloud.memorystore.v1beta.Instance.Mode getMode() {
     return result == null ? com.google.cloud.memorystore.v1beta.Instance.Mode.UNRECOGNIZED : result;
   }
 
-  private byte memoizedIsInitialized = -1;
+  public static final int SERVER_CA_MODE_FIELD_NUMBER = 56;
+  private int serverCaMode_ = 0;
 
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The Server CA mode for the instance.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.memorystore.v1beta.Instance.ServerCaMode server_ca_mode = 56 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return Whether the serverCaMode field is set.
+   */
   @java.lang.Override
-  public final boolean isInitialized() {
-    byte isInitialized = memoizedIsInitialized;
-    if (isInitialized == 1) return true;
-    if (isInitialized == 0) return false;
+  public boolean hasServerCaMode() {
+    return ((bitField0_ & 0x00000100) != 0);
+  }
 
-    memoizedIsInitialized = 1;
-    return true;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The Server CA mode for the instance.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.memorystore.v1beta.Instance.ServerCaMode server_ca_mode = 56 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for serverCaMode.
+   */
+  @java.lang.Override
+  public int getServerCaModeValue() {
+    return serverCaMode_;
   }
 
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The Server CA mode for the instance.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.memorystore.v1beta.Instance.ServerCaMode server_ca_mode = 56 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return The serverCaMode.
+   */
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
-      com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
-    }
-    if (((bitField0_ & 0x00000001) != 0)) {
-      output.writeMessage(2, getCreateTime());
-    }
-    if (((bitField0_ & 0x00000002) != 0)) {
-      output.writeMessage(3, getUpdateTime());
-    }
-    com.google.protobuf.GeneratedMessage.serializeStringMapTo(
-        output, internalGetLabels(), LabelsDefaultEntryHolder.defaultEntry, 4);
-    if (state_
-        != com.google.cloud.memorystore.v1beta.Instance.State.STATE_UNSPECIFIED.getNumber()) {
-      output.writeEnum(5, state_);
-    }
-    if (((bitField0_ & 0x00000004) != 0)) {
+  public com.google.cloud.memorystore.v1beta.Instance.ServerCaMode getServerCaMode() {
+    com.google.cloud.memorystore.v1beta.Instance.ServerCaMode result =
+        com.google.cloud.memorystore.v1beta.Instance.ServerCaMode.forNumber(serverCaMode_);
+    return result == null
+        ? com.google.cloud.memorystore.v1beta.Instance.ServerCaMode.UNRECOGNIZED
+        : result;
+  }
+
+  public static final int SERVER_CA_POOL_FIELD_NUMBER = 57;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object serverCaPool_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The customer-managed CA pool for the instance. Only
+   * applicable if the Server CA mode is CUSTOMER_MANAGED_CAS_CA. Format:
+   * "projects/{project}/locations/{region}/caPools/{ca_pool}".
+   * </pre>
+   *
+   * <code>
+   * optional string server_ca_pool = 57 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return Whether the serverCaPool field is set.
+   */
+  @java.lang.Override
+  public boolean hasServerCaPool() {
+    return ((bitField0_ & 0x00000200) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The customer-managed CA pool for the instance. Only
+   * applicable if the Server CA mode is CUSTOMER_MANAGED_CAS_CA. Format:
+   * "projects/{project}/locations/{region}/caPools/{ca_pool}".
+   * </pre>
+   *
+   * <code>
+   * optional string server_ca_pool = 57 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The serverCaPool.
+   */
+  @java.lang.Override
+  public java.lang.String getServerCaPool() {
+    java.lang.Object ref = serverCaPool_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      serverCaPool_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The customer-managed CA pool for the instance. Only
+   * applicable if the Server CA mode is CUSTOMER_MANAGED_CAS_CA. Format:
+   * "projects/{project}/locations/{region}/caPools/{ca_pool}".
+   * </pre>
+   *
+   * <code>
+   * optional string server_ca_pool = 57 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for serverCaPool.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getServerCaPoolBytes() {
+    java.lang.Object ref = serverCaPool_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      serverCaPool_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int ROTATE_SERVER_CERTIFICATE_FIELD_NUMBER = 58;
+  private boolean rotateServerCertificate_ = false;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Input only. Rotate the server certificates.
+   * </pre>
+   *
+   * <code>
+   * optional bool rotate_server_certificate = 58 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = INPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the rotateServerCertificate field is set.
+   */
+  @java.lang.Override
+  public boolean hasRotateServerCertificate() {
+    return ((bitField0_ & 0x00000400) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Input only. Rotate the server certificates.
+   * </pre>
+   *
+   * <code>
+   * optional bool rotate_server_certificate = 58 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = INPUT_ONLY];
+   * </code>
+   *
+   * @return The rotateServerCertificate.
+   */
+  @java.lang.Override
+  public boolean getRotateServerCertificate() {
+    return rotateServerCertificate_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(2, getCreateTime());
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(3, getUpdateTime());
+    }
+    com.google.protobuf.GeneratedMessage.serializeStringMapTo(
+        output, internalGetLabels(), LabelsDefaultEntryHolder.defaultEntry, 4);
+    if (state_
+        != com.google.cloud.memorystore.v1beta.Instance.State.STATE_UNSPECIFIED.getNumber()) {
+      output.writeEnum(5, state_);
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
       output.writeMessage(6, getStateInfo());
     }
     if (!com.google.protobuf.GeneratedMessage.isStringEmpty(uid_)) {
@@ -6373,6 +6830,15 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (mode_ != com.google.cloud.memorystore.v1beta.Instance.Mode.MODE_UNSPECIFIED.getNumber()) {
       output.writeEnum(26, mode_);
     }
+    if (((bitField0_ & 0x00000100) != 0)) {
+      output.writeEnum(56, serverCaMode_);
+    }
+    if (((bitField0_ & 0x00000200) != 0)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 57, serverCaPool_);
+    }
+    if (((bitField0_ & 0x00000400) != 0)) {
+      output.writeBool(58, rotateServerCertificate_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -6474,6 +6940,15 @@ public int getSerializedSize() {
     if (mode_ != com.google.cloud.memorystore.v1beta.Instance.Mode.MODE_UNSPECIFIED.getNumber()) {
       size += com.google.protobuf.CodedOutputStream.computeEnumSize(26, mode_);
     }
+    if (((bitField0_ & 0x00000100) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(56, serverCaMode_);
+    }
+    if (((bitField0_ & 0x00000200) != 0)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(57, serverCaPool_);
+    }
+    if (((bitField0_ & 0x00000400) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeBoolSize(58, rotateServerCertificate_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -6536,6 +7011,18 @@ public boolean equals(final java.lang.Object obj) {
     if (!getPscAutoConnectionsList().equals(other.getPscAutoConnectionsList())) return false;
     if (!getEndpointsList().equals(other.getEndpointsList())) return false;
     if (mode_ != other.mode_) return false;
+    if (hasServerCaMode() != other.hasServerCaMode()) return false;
+    if (hasServerCaMode()) {
+      if (serverCaMode_ != other.serverCaMode_) return false;
+    }
+    if (hasServerCaPool() != other.hasServerCaPool()) return false;
+    if (hasServerCaPool()) {
+      if (!getServerCaPool().equals(other.getServerCaPool())) return false;
+    }
+    if (hasRotateServerCertificate() != other.hasRotateServerCertificate()) return false;
+    if (hasRotateServerCertificate()) {
+      if (getRotateServerCertificate() != other.getRotateServerCertificate()) return false;
+    }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -6617,6 +7104,18 @@ public int hashCode() {
     }
     hash = (37 * hash) + MODE_FIELD_NUMBER;
     hash = (53 * hash) + mode_;
+    if (hasServerCaMode()) {
+      hash = (37 * hash) + SERVER_CA_MODE_FIELD_NUMBER;
+      hash = (53 * hash) + serverCaMode_;
+    }
+    if (hasServerCaPool()) {
+      hash = (37 * hash) + SERVER_CA_POOL_FIELD_NUMBER;
+      hash = (53 * hash) + getServerCaPool().hashCode();
+    }
+    if (hasRotateServerCertificate()) {
+      hash = (37 * hash) + ROTATE_SERVER_CERTIFICATE_FIELD_NUMBER;
+      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getRotateServerCertificate());
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -6864,6 +7363,9 @@ public Builder clear() {
       }
       bitField0_ = (bitField0_ & ~0x00100000);
       mode_ = 0;
+      serverCaMode_ = 0;
+      serverCaPool_ = "";
+      rotateServerCertificate_ = false;
       return this;
     }
 
@@ -7005,6 +7507,18 @@ private void buildPartial0(com.google.cloud.memorystore.v1beta.Instance result)
       if (((from_bitField0_ & 0x00200000) != 0)) {
         result.mode_ = mode_;
       }
+      if (((from_bitField0_ & 0x00400000) != 0)) {
+        result.serverCaMode_ = serverCaMode_;
+        to_bitField0_ |= 0x00000100;
+      }
+      if (((from_bitField0_ & 0x00800000) != 0)) {
+        result.serverCaPool_ = serverCaPool_;
+        to_bitField0_ |= 0x00000200;
+      }
+      if (((from_bitField0_ & 0x01000000) != 0)) {
+        result.rotateServerCertificate_ = rotateServerCertificate_;
+        to_bitField0_ |= 0x00000400;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
@@ -7162,6 +7676,17 @@ public Builder mergeFrom(com.google.cloud.memorystore.v1beta.Instance other) {
       if (other.mode_ != 0) {
         setModeValue(other.getModeValue());
       }
+      if (other.hasServerCaMode()) {
+        setServerCaModeValue(other.getServerCaModeValue());
+      }
+      if (other.hasServerCaPool()) {
+        serverCaPool_ = other.serverCaPool_;
+        bitField0_ |= 0x00800000;
+        onChanged();
+      }
+      if (other.hasRotateServerCertificate()) {
+        setRotateServerCertificate(other.getRotateServerCertificate());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -7363,6 +7888,24 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00200000;
                 break;
               } // case 208
+            case 448:
+              {
+                serverCaMode_ = input.readEnum();
+                bitField0_ |= 0x00400000;
+                break;
+              } // case 448
+            case 458:
+              {
+                serverCaPool_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00800000;
+                break;
+              } // case 458
+            case 464:
+              {
+                rotateServerCertificate_ = input.readBool();
+                bitField0_ |= 0x01000000;
+                break;
+              } // case 464
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -11442,6 +11985,362 @@ public Builder clearMode() {
       return this;
     }
 
+    private int serverCaMode_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The Server CA mode for the instance.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.memorystore.v1beta.Instance.ServerCaMode server_ca_mode = 56 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     *
+     * @return Whether the serverCaMode field is set.
+     */
+    @java.lang.Override
+    public boolean hasServerCaMode() {
+      return ((bitField0_ & 0x00400000) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The Server CA mode for the instance.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.memorystore.v1beta.Instance.ServerCaMode server_ca_mode = 56 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for serverCaMode.
+     */
+    @java.lang.Override
+    public int getServerCaModeValue() {
+      return serverCaMode_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The Server CA mode for the instance.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.memorystore.v1beta.Instance.ServerCaMode server_ca_mode = 56 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     *
+     * @param value The enum numeric value on the wire for serverCaMode to set.
+     * @return This builder for chaining.
+     */
+    public Builder setServerCaModeValue(int value) {
+      serverCaMode_ = value;
+      bitField0_ |= 0x00400000;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The Server CA mode for the instance.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.memorystore.v1beta.Instance.ServerCaMode server_ca_mode = 56 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     *
+     * @return The serverCaMode.
+     */
+    @java.lang.Override
+    public com.google.cloud.memorystore.v1beta.Instance.ServerCaMode getServerCaMode() {
+      com.google.cloud.memorystore.v1beta.Instance.ServerCaMode result =
+          com.google.cloud.memorystore.v1beta.Instance.ServerCaMode.forNumber(serverCaMode_);
+      return result == null
+          ? com.google.cloud.memorystore.v1beta.Instance.ServerCaMode.UNRECOGNIZED
+          : result;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The Server CA mode for the instance.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.memorystore.v1beta.Instance.ServerCaMode server_ca_mode = 56 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     *
+     * @param value The serverCaMode to set.
+     * @return This builder for chaining.
+     */
+    public Builder setServerCaMode(
+        com.google.cloud.memorystore.v1beta.Instance.ServerCaMode value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      bitField0_ |= 0x00400000;
+      serverCaMode_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The Server CA mode for the instance.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.memorystore.v1beta.Instance.ServerCaMode server_ca_mode = 56 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearServerCaMode() {
+      bitField0_ = (bitField0_ & ~0x00400000);
+      serverCaMode_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object serverCaPool_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The customer-managed CA pool for the instance. Only
+     * applicable if the Server CA mode is CUSTOMER_MANAGED_CAS_CA. Format:
+     * "projects/{project}/locations/{region}/caPools/{ca_pool}".
+     * </pre>
+     *
+     * <code>
+     * optional string server_ca_pool = 57 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return Whether the serverCaPool field is set.
+     */
+    public boolean hasServerCaPool() {
+      return ((bitField0_ & 0x00800000) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The customer-managed CA pool for the instance. Only
+     * applicable if the Server CA mode is CUSTOMER_MANAGED_CAS_CA. Format:
+     * "projects/{project}/locations/{region}/caPools/{ca_pool}".
+     * </pre>
+     *
+     * <code>
+     * optional string server_ca_pool = 57 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The serverCaPool.
+     */
+    public java.lang.String getServerCaPool() {
+      java.lang.Object ref = serverCaPool_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        serverCaPool_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The customer-managed CA pool for the instance. Only
+     * applicable if the Server CA mode is CUSTOMER_MANAGED_CAS_CA. Format:
+     * "projects/{project}/locations/{region}/caPools/{ca_pool}".
+     * </pre>
+     *
+     * <code>
+     * optional string server_ca_pool = 57 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for serverCaPool.
+     */
+    public com.google.protobuf.ByteString getServerCaPoolBytes() {
+      java.lang.Object ref = serverCaPool_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        serverCaPool_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The customer-managed CA pool for the instance. Only
+     * applicable if the Server CA mode is CUSTOMER_MANAGED_CAS_CA. Format:
+     * "projects/{project}/locations/{region}/caPools/{ca_pool}".
+     * </pre>
+     *
+     * <code>
+     * optional string server_ca_pool = 57 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The serverCaPool to set.
+     * @return This builder for chaining.
+     */
+    public Builder setServerCaPool(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      serverCaPool_ = value;
+      bitField0_ |= 0x00800000;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The customer-managed CA pool for the instance. Only
+     * applicable if the Server CA mode is CUSTOMER_MANAGED_CAS_CA. Format:
+     * "projects/{project}/locations/{region}/caPools/{ca_pool}".
+     * </pre>
+     *
+     * <code>
+     * optional string server_ca_pool = 57 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearServerCaPool() {
+      serverCaPool_ = getDefaultInstance().getServerCaPool();
+      bitField0_ = (bitField0_ & ~0x00800000);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The customer-managed CA pool for the instance. Only
+     * applicable if the Server CA mode is CUSTOMER_MANAGED_CAS_CA. Format:
+     * "projects/{project}/locations/{region}/caPools/{ca_pool}".
+     * </pre>
+     *
+     * <code>
+     * optional string server_ca_pool = 57 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for serverCaPool to set.
+     * @return This builder for chaining.
+     */
+    public Builder setServerCaPoolBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      serverCaPool_ = value;
+      bitField0_ |= 0x00800000;
+      onChanged();
+      return this;
+    }
+
+    private boolean rotateServerCertificate_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. Rotate the server certificates.
+     * </pre>
+     *
+     * <code>
+     * optional bool rotate_server_certificate = 58 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = INPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the rotateServerCertificate field is set.
+     */
+    @java.lang.Override
+    public boolean hasRotateServerCertificate() {
+      return ((bitField0_ & 0x01000000) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. Rotate the server certificates.
+     * </pre>
+     *
+     * <code>
+     * optional bool rotate_server_certificate = 58 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = INPUT_ONLY];
+     * </code>
+     *
+     * @return The rotateServerCertificate.
+     */
+    @java.lang.Override
+    public boolean getRotateServerCertificate() {
+      return rotateServerCertificate_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. Rotate the server certificates.
+     * </pre>
+     *
+     * <code>
+     * optional bool rotate_server_certificate = 58 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = INPUT_ONLY];
+     * </code>
+     *
+     * @param value The rotateServerCertificate to set.
+     * @return This builder for chaining.
+     */
+    public Builder setRotateServerCertificate(boolean value) {
+
+      rotateServerCertificate_ = value;
+      bitField0_ |= 0x01000000;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Input only. Rotate the server certificates.
+     * </pre>
+     *
+     * <code>
+     * optional bool rotate_server_certificate = 58 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = INPUT_ONLY];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearRotateServerCertificate() {
+      bitField0_ = (bitField0_ & ~0x01000000);
+      rotateServerCertificate_ = false;
+      onChanged();
+      return this;
+    }
+
     // @@protoc_insertion_point(builder_scope:google.cloud.memorystore.v1beta.Instance)
   }
 
diff --git a/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/InstanceOrBuilder.java b/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/InstanceOrBuilder.java
index 73b0c43cb8e9..1dbf935053bd 100644
--- a/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/InstanceOrBuilder.java
+++ b/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/InstanceOrBuilder.java
@@ -930,4 +930,130 @@ com.google.cloud.memorystore.v1beta.Instance.InstanceEndpointOrBuilder getEndpoi
    * @return The mode.
    */
   com.google.cloud.memorystore.v1beta.Instance.Mode getMode();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The Server CA mode for the instance.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.memorystore.v1beta.Instance.ServerCaMode server_ca_mode = 56 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return Whether the serverCaMode field is set.
+   */
+  boolean hasServerCaMode();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The Server CA mode for the instance.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.memorystore.v1beta.Instance.ServerCaMode server_ca_mode = 56 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for serverCaMode.
+   */
+  int getServerCaModeValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The Server CA mode for the instance.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.memorystore.v1beta.Instance.ServerCaMode server_ca_mode = 56 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return The serverCaMode.
+   */
+  com.google.cloud.memorystore.v1beta.Instance.ServerCaMode getServerCaMode();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The customer-managed CA pool for the instance. Only
+   * applicable if the Server CA mode is CUSTOMER_MANAGED_CAS_CA. Format:
+   * "projects/{project}/locations/{region}/caPools/{ca_pool}".
+   * </pre>
+   *
+   * <code>
+   * optional string server_ca_pool = 57 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return Whether the serverCaPool field is set.
+   */
+  boolean hasServerCaPool();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The customer-managed CA pool for the instance. Only
+   * applicable if the Server CA mode is CUSTOMER_MANAGED_CAS_CA. Format:
+   * "projects/{project}/locations/{region}/caPools/{ca_pool}".
+   * </pre>
+   *
+   * <code>
+   * optional string server_ca_pool = 57 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The serverCaPool.
+   */
+  java.lang.String getServerCaPool();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The customer-managed CA pool for the instance. Only
+   * applicable if the Server CA mode is CUSTOMER_MANAGED_CAS_CA. Format:
+   * "projects/{project}/locations/{region}/caPools/{ca_pool}".
+   * </pre>
+   *
+   * <code>
+   * optional string server_ca_pool = 57 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for serverCaPool.
+   */
+  com.google.protobuf.ByteString getServerCaPoolBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Input only. Rotate the server certificates.
+   * </pre>
+   *
+   * <code>
+   * optional bool rotate_server_certificate = 58 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = INPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the rotateServerCertificate field is set.
+   */
+  boolean hasRotateServerCertificate();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Input only. Rotate the server certificates.
+   * </pre>
+   *
+   * <code>
+   * optional bool rotate_server_certificate = 58 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = INPUT_ONLY];
+   * </code>
+   *
+   * @return The rotateServerCertificate.
+   */
+  boolean getRotateServerCertificate();
 }
diff --git a/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/SharedRegionalCertificateAuthority.java b/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/SharedRegionalCertificateAuthority.java
new file mode 100644
index 000000000000..839f4901da34
--- /dev/null
+++ b/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/SharedRegionalCertificateAuthority.java
@@ -0,0 +1,3112 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/memorystore/v1beta/memorystore.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.memorystore.v1beta;
+
+/**
+ *
+ *
+ * <pre>
+ * Shared regional certificate authority for an instance.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority}
+ */
+@com.google.protobuf.Generated
+public final class SharedRegionalCertificateAuthority extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority)
+    SharedRegionalCertificateAuthorityOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 2,
+        /* suffix= */ "",
+        "SharedRegionalCertificateAuthority");
+  }
+
+  // Use SharedRegionalCertificateAuthority.newBuilder() to construct.
+  private SharedRegionalCertificateAuthority(
+      com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private SharedRegionalCertificateAuthority() {
+    name_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.memorystore.v1beta.V1mainProto
+        .internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.memorystore.v1beta.V1mainProto
+        .internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.class,
+            com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.Builder.class);
+  }
+
+  public interface RegionalManagedCertificateAuthorityOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * The PEM encoded CA certificate chains for memorystore managed
+     * server authentication
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+     * </code>
+     */
+    java.util.List<
+            com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority.RegionalCertChain>
+        getCaCertsList();
+
+    /**
+     *
+     *
+     * <pre>
+     * The PEM encoded CA certificate chains for memorystore managed
+     * server authentication
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+     * </code>
+     */
+    com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority.RegionalCertChain
+        getCaCerts(int index);
+
+    /**
+     *
+     *
+     * <pre>
+     * The PEM encoded CA certificate chains for memorystore managed
+     * server authentication
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+     * </code>
+     */
+    int getCaCertsCount();
+
+    /**
+     *
+     *
+     * <pre>
+     * The PEM encoded CA certificate chains for memorystore managed
+     * server authentication
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+     * </code>
+     */
+    java.util.List<
+            ? extends
+                com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                    .RegionalManagedCertificateAuthority.RegionalCertChainOrBuilder>
+        getCaCertsOrBuilderList();
+
+    /**
+     *
+     *
+     * <pre>
+     * The PEM encoded CA certificate chains for memorystore managed
+     * server authentication
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+     * </code>
+     */
+    com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority.RegionalCertChainOrBuilder
+        getCaCertsOrBuilder(int index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * CA certificate chains for memorystore managed server authentication.
+   * </pre>
+   *
+   * Protobuf type {@code
+   * google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority}
+   */
+  public static final class RegionalManagedCertificateAuthority
+      extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority)
+      RegionalManagedCertificateAuthorityOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 2,
+          /* suffix= */ "",
+          "RegionalManagedCertificateAuthority");
+    }
+
+    // Use RegionalManagedCertificateAuthority.newBuilder() to construct.
+    private RegionalManagedCertificateAuthority(
+        com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private RegionalManagedCertificateAuthority() {
+      caCerts_ = java.util.Collections.emptyList();
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.memorystore.v1beta.V1mainProto
+          .internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.memorystore.v1beta.V1mainProto
+          .internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.class,
+              com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.Builder.class);
+    }
+
+    public interface RegionalCertChainOrBuilder
+        extends
+        // @@protoc_insertion_point(interface_extends:google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain)
+        com.google.protobuf.MessageOrBuilder {
+
+      /**
+       *
+       *
+       * <pre>
+       * The certificates that form the CA chain, from leaf to root order.
+       * </pre>
+       *
+       * <code>repeated string certificates = 1;</code>
+       *
+       * @return A list containing the certificates.
+       */
+      java.util.List<java.lang.String> getCertificatesList();
+
+      /**
+       *
+       *
+       * <pre>
+       * The certificates that form the CA chain, from leaf to root order.
+       * </pre>
+       *
+       * <code>repeated string certificates = 1;</code>
+       *
+       * @return The count of certificates.
+       */
+      int getCertificatesCount();
+
+      /**
+       *
+       *
+       * <pre>
+       * The certificates that form the CA chain, from leaf to root order.
+       * </pre>
+       *
+       * <code>repeated string certificates = 1;</code>
+       *
+       * @param index The index of the element to return.
+       * @return The certificates at the given index.
+       */
+      java.lang.String getCertificates(int index);
+
+      /**
+       *
+       *
+       * <pre>
+       * The certificates that form the CA chain, from leaf to root order.
+       * </pre>
+       *
+       * <code>repeated string certificates = 1;</code>
+       *
+       * @param index The index of the value to return.
+       * @return The bytes of the certificates at the given index.
+       */
+      com.google.protobuf.ByteString getCertificatesBytes(int index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The certificates that form the CA chain, from leaf to root order.
+     * </pre>
+     *
+     * Protobuf type {@code
+     * google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain}
+     */
+    public static final class RegionalCertChain extends com.google.protobuf.GeneratedMessage
+        implements
+        // @@protoc_insertion_point(message_implements:google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain)
+        RegionalCertChainOrBuilder {
+      private static final long serialVersionUID = 0L;
+
+      static {
+        com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+            com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+            /* major= */ 4,
+            /* minor= */ 33,
+            /* patch= */ 2,
+            /* suffix= */ "",
+            "RegionalCertChain");
+      }
+
+      // Use RegionalCertChain.newBuilder() to construct.
+      private RegionalCertChain(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+        super(builder);
+      }
+
+      private RegionalCertChain() {
+        certificates_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      }
+
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.memorystore.v1beta.V1mainProto
+            .internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_RegionalCertChain_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.memorystore.v1beta.V1mainProto
+            .internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_RegionalCertChain_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                    .RegionalManagedCertificateAuthority.RegionalCertChain.class,
+                com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                    .RegionalManagedCertificateAuthority.RegionalCertChain.Builder.class);
+      }
+
+      public static final int CERTIFICATES_FIELD_NUMBER = 1;
+
+      @SuppressWarnings("serial")
+      private com.google.protobuf.LazyStringArrayList certificates_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+
+      /**
+       *
+       *
+       * <pre>
+       * The certificates that form the CA chain, from leaf to root order.
+       * </pre>
+       *
+       * <code>repeated string certificates = 1;</code>
+       *
+       * @return A list containing the certificates.
+       */
+      public com.google.protobuf.ProtocolStringList getCertificatesList() {
+        return certificates_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The certificates that form the CA chain, from leaf to root order.
+       * </pre>
+       *
+       * <code>repeated string certificates = 1;</code>
+       *
+       * @return The count of certificates.
+       */
+      public int getCertificatesCount() {
+        return certificates_.size();
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The certificates that form the CA chain, from leaf to root order.
+       * </pre>
+       *
+       * <code>repeated string certificates = 1;</code>
+       *
+       * @param index The index of the element to return.
+       * @return The certificates at the given index.
+       */
+      public java.lang.String getCertificates(int index) {
+        return certificates_.get(index);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The certificates that form the CA chain, from leaf to root order.
+       * </pre>
+       *
+       * <code>repeated string certificates = 1;</code>
+       *
+       * @param index The index of the value to return.
+       * @return The bytes of the certificates at the given index.
+       */
+      public com.google.protobuf.ByteString getCertificatesBytes(int index) {
+        return certificates_.getByteString(index);
+      }
+
+      private byte memoizedIsInitialized = -1;
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        byte isInitialized = memoizedIsInitialized;
+        if (isInitialized == 1) return true;
+        if (isInitialized == 0) return false;
+
+        memoizedIsInitialized = 1;
+        return true;
+      }
+
+      @java.lang.Override
+      public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+        for (int i = 0; i < certificates_.size(); i++) {
+          com.google.protobuf.GeneratedMessage.writeString(output, 1, certificates_.getRaw(i));
+        }
+        getUnknownFields().writeTo(output);
+      }
+
+      @java.lang.Override
+      public int getSerializedSize() {
+        int size = memoizedSize;
+        if (size != -1) return size;
+
+        size = 0;
+        {
+          int dataSize = 0;
+          for (int i = 0; i < certificates_.size(); i++) {
+            dataSize += computeStringSizeNoTag(certificates_.getRaw(i));
+          }
+          size += dataSize;
+          size += 1 * getCertificatesList().size();
+        }
+        size += getUnknownFields().getSerializedSize();
+        memoizedSize = size;
+        return size;
+      }
+
+      @java.lang.Override
+      public boolean equals(final java.lang.Object obj) {
+        if (obj == this) {
+          return true;
+        }
+        if (!(obj
+            instanceof
+            com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority.RegionalCertChain)) {
+          return super.equals(obj);
+        }
+        com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority.RegionalCertChain
+            other =
+                (com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                        .RegionalManagedCertificateAuthority.RegionalCertChain)
+                    obj;
+
+        if (!getCertificatesList().equals(other.getCertificatesList())) return false;
+        if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+        return true;
+      }
+
+      @java.lang.Override
+      public int hashCode() {
+        if (memoizedHashCode != 0) {
+          return memoizedHashCode;
+        }
+        int hash = 41;
+        hash = (19 * hash) + getDescriptor().hashCode();
+        if (getCertificatesCount() > 0) {
+          hash = (37 * hash) + CERTIFICATES_FIELD_NUMBER;
+          hash = (53 * hash) + getCertificatesList().hashCode();
+        }
+        hash = (29 * hash) + getUnknownFields().hashCode();
+        memoizedHashCode = hash;
+        return hash;
+      }
+
+      public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain
+          parseFrom(java.nio.ByteBuffer data)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain
+          parseFrom(
+              java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
+      }
+
+      public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain
+          parseFrom(com.google.protobuf.ByteString data)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain
+          parseFrom(
+              com.google.protobuf.ByteString data,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
+      }
+
+      public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain
+          parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain
+          parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
+      }
+
+      public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain
+          parseFrom(java.io.InputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain
+          parseFrom(
+              java.io.InputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
+            PARSER, input, extensionRegistry);
+      }
+
+      public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain
+          parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain
+          parseDelimitedFrom(
+              java.io.InputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+            PARSER, input, extensionRegistry);
+      }
+
+      public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain
+          parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain
+          parseFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
+            PARSER, input, extensionRegistry);
+      }
+
+      @java.lang.Override
+      public Builder newBuilderForType() {
+        return newBuilder();
+      }
+
+      public static Builder newBuilder() {
+        return DEFAULT_INSTANCE.toBuilder();
+      }
+
+      public static Builder newBuilder(
+          com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChain
+              prototype) {
+        return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+      }
+
+      @java.lang.Override
+      public Builder toBuilder() {
+        return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+      }
+
+      @java.lang.Override
+      protected Builder newBuilderForType(
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        Builder builder = new Builder(parent);
+        return builder;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The certificates that form the CA chain, from leaf to root order.
+       * </pre>
+       *
+       * Protobuf type {@code
+       * google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain}
+       */
+      public static final class Builder
+          extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+          implements
+          // @@protoc_insertion_point(builder_implements:google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain)
+          com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChainOrBuilder {
+        public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+          return com.google.cloud.memorystore.v1beta.V1mainProto
+              .internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_RegionalCertChain_descriptor;
+        }
+
+        @java.lang.Override
+        protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+            internalGetFieldAccessorTable() {
+          return com.google.cloud.memorystore.v1beta.V1mainProto
+              .internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_RegionalCertChain_fieldAccessorTable
+              .ensureFieldAccessorsInitialized(
+                  com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                      .RegionalManagedCertificateAuthority.RegionalCertChain.class,
+                  com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                      .RegionalManagedCertificateAuthority.RegionalCertChain.Builder.class);
+        }
+
+        // Construct using
+        // com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain.newBuilder()
+        private Builder() {}
+
+        private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+          super(parent);
+        }
+
+        @java.lang.Override
+        public Builder clear() {
+          super.clear();
+          bitField0_ = 0;
+          certificates_ = com.google.protobuf.LazyStringArrayList.emptyList();
+          return this;
+        }
+
+        @java.lang.Override
+        public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+          return com.google.cloud.memorystore.v1beta.V1mainProto
+              .internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_RegionalCertChain_descriptor;
+        }
+
+        @java.lang.Override
+        public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority.RegionalCertChain
+            getDefaultInstanceForType() {
+          return com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain.getDefaultInstance();
+        }
+
+        @java.lang.Override
+        public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority.RegionalCertChain
+            build() {
+          com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChain
+              result = buildPartial();
+          if (!result.isInitialized()) {
+            throw newUninitializedMessageException(result);
+          }
+          return result;
+        }
+
+        @java.lang.Override
+        public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority.RegionalCertChain
+            buildPartial() {
+          com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChain
+              result =
+                  new com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                      .RegionalManagedCertificateAuthority.RegionalCertChain(this);
+          if (bitField0_ != 0) {
+            buildPartial0(result);
+          }
+          onBuilt();
+          return result;
+        }
+
+        private void buildPartial0(
+            com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                    .RegionalManagedCertificateAuthority.RegionalCertChain
+                result) {
+          int from_bitField0_ = bitField0_;
+          if (((from_bitField0_ & 0x00000001) != 0)) {
+            certificates_.makeImmutable();
+            result.certificates_ = certificates_;
+          }
+        }
+
+        @java.lang.Override
+        public Builder mergeFrom(com.google.protobuf.Message other) {
+          if (other
+              instanceof
+              com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChain) {
+            return mergeFrom(
+                (com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                        .RegionalManagedCertificateAuthority.RegionalCertChain)
+                    other);
+          } else {
+            super.mergeFrom(other);
+            return this;
+          }
+        }
+
+        public Builder mergeFrom(
+            com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                    .RegionalManagedCertificateAuthority.RegionalCertChain
+                other) {
+          if (other
+              == com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChain.getDefaultInstance())
+            return this;
+          if (!other.certificates_.isEmpty()) {
+            if (certificates_.isEmpty()) {
+              certificates_ = other.certificates_;
+              bitField0_ |= 0x00000001;
+            } else {
+              ensureCertificatesIsMutable();
+              certificates_.addAll(other.certificates_);
+            }
+            onChanged();
+          }
+          this.mergeUnknownFields(other.getUnknownFields());
+          onChanged();
+          return this;
+        }
+
+        @java.lang.Override
+        public final boolean isInitialized() {
+          return true;
+        }
+
+        @java.lang.Override
+        public Builder mergeFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+          if (extensionRegistry == null) {
+            throw new java.lang.NullPointerException();
+          }
+          try {
+            boolean done = false;
+            while (!done) {
+              int tag = input.readTag();
+              switch (tag) {
+                case 0:
+                  done = true;
+                  break;
+                case 10:
+                  {
+                    java.lang.String s = input.readStringRequireUtf8();
+                    ensureCertificatesIsMutable();
+                    certificates_.add(s);
+                    break;
+                  } // case 10
+                default:
+                  {
+                    if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                      done = true; // was an endgroup tag
+                    }
+                    break;
+                  } // default:
+              } // switch (tag)
+            } // while (!done)
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.unwrapIOException();
+          } finally {
+            onChanged();
+          } // finally
+          return this;
+        }
+
+        private int bitField0_;
+
+        private com.google.protobuf.LazyStringArrayList certificates_ =
+            com.google.protobuf.LazyStringArrayList.emptyList();
+
+        private void ensureCertificatesIsMutable() {
+          if (!certificates_.isModifiable()) {
+            certificates_ = new com.google.protobuf.LazyStringArrayList(certificates_);
+          }
+          bitField0_ |= 0x00000001;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * The certificates that form the CA chain, from leaf to root order.
+         * </pre>
+         *
+         * <code>repeated string certificates = 1;</code>
+         *
+         * @return A list containing the certificates.
+         */
+        public com.google.protobuf.ProtocolStringList getCertificatesList() {
+          certificates_.makeImmutable();
+          return certificates_;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * The certificates that form the CA chain, from leaf to root order.
+         * </pre>
+         *
+         * <code>repeated string certificates = 1;</code>
+         *
+         * @return The count of certificates.
+         */
+        public int getCertificatesCount() {
+          return certificates_.size();
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * The certificates that form the CA chain, from leaf to root order.
+         * </pre>
+         *
+         * <code>repeated string certificates = 1;</code>
+         *
+         * @param index The index of the element to return.
+         * @return The certificates at the given index.
+         */
+        public java.lang.String getCertificates(int index) {
+          return certificates_.get(index);
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * The certificates that form the CA chain, from leaf to root order.
+         * </pre>
+         *
+         * <code>repeated string certificates = 1;</code>
+         *
+         * @param index The index of the value to return.
+         * @return The bytes of the certificates at the given index.
+         */
+        public com.google.protobuf.ByteString getCertificatesBytes(int index) {
+          return certificates_.getByteString(index);
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * The certificates that form the CA chain, from leaf to root order.
+         * </pre>
+         *
+         * <code>repeated string certificates = 1;</code>
+         *
+         * @param index The index to set the value at.
+         * @param value The certificates to set.
+         * @return This builder for chaining.
+         */
+        public Builder setCertificates(int index, java.lang.String value) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureCertificatesIsMutable();
+          certificates_.set(index, value);
+          bitField0_ |= 0x00000001;
+          onChanged();
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * The certificates that form the CA chain, from leaf to root order.
+         * </pre>
+         *
+         * <code>repeated string certificates = 1;</code>
+         *
+         * @param value The certificates to add.
+         * @return This builder for chaining.
+         */
+        public Builder addCertificates(java.lang.String value) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureCertificatesIsMutable();
+          certificates_.add(value);
+          bitField0_ |= 0x00000001;
+          onChanged();
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * The certificates that form the CA chain, from leaf to root order.
+         * </pre>
+         *
+         * <code>repeated string certificates = 1;</code>
+         *
+         * @param values The certificates to add.
+         * @return This builder for chaining.
+         */
+        public Builder addAllCertificates(java.lang.Iterable<java.lang.String> values) {
+          ensureCertificatesIsMutable();
+          com.google.protobuf.AbstractMessageLite.Builder.addAll(values, certificates_);
+          bitField0_ |= 0x00000001;
+          onChanged();
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * The certificates that form the CA chain, from leaf to root order.
+         * </pre>
+         *
+         * <code>repeated string certificates = 1;</code>
+         *
+         * @return This builder for chaining.
+         */
+        public Builder clearCertificates() {
+          certificates_ = com.google.protobuf.LazyStringArrayList.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000001);
+          ;
+          onChanged();
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * The certificates that form the CA chain, from leaf to root order.
+         * </pre>
+         *
+         * <code>repeated string certificates = 1;</code>
+         *
+         * @param value The bytes of the certificates to add.
+         * @return This builder for chaining.
+         */
+        public Builder addCertificatesBytes(com.google.protobuf.ByteString value) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          checkByteStringIsUtf8(value);
+          ensureCertificatesIsMutable();
+          certificates_.add(value);
+          bitField0_ |= 0x00000001;
+          onChanged();
+          return this;
+        }
+
+        // @@protoc_insertion_point(builder_scope:google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain)
+      }
+
+      // @@protoc_insertion_point(class_scope:google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain)
+      private static final com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain
+          DEFAULT_INSTANCE;
+
+      static {
+        DEFAULT_INSTANCE =
+            new com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority.RegionalCertChain();
+      }
+
+      public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain
+          getDefaultInstance() {
+        return DEFAULT_INSTANCE;
+      }
+
+      private static final com.google.protobuf.Parser<RegionalCertChain> PARSER =
+          new com.google.protobuf.AbstractParser<RegionalCertChain>() {
+            @java.lang.Override
+            public RegionalCertChain parsePartialFrom(
+                com.google.protobuf.CodedInputStream input,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+              Builder builder = newBuilder();
+              try {
+                builder.mergeFrom(input, extensionRegistry);
+              } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+                throw e.setUnfinishedMessage(builder.buildPartial());
+              } catch (com.google.protobuf.UninitializedMessageException e) {
+                throw e.asInvalidProtocolBufferException()
+                    .setUnfinishedMessage(builder.buildPartial());
+              } catch (java.io.IOException e) {
+                throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                    .setUnfinishedMessage(builder.buildPartial());
+              }
+              return builder.buildPartial();
+            }
+          };
+
+      public static com.google.protobuf.Parser<RegionalCertChain> parser() {
+        return PARSER;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Parser<RegionalCertChain> getParserForType() {
+        return PARSER;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain
+          getDefaultInstanceForType() {
+        return DEFAULT_INSTANCE;
+      }
+    }
+
+    public static final int CA_CERTS_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private java.util.List<
+            com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority.RegionalCertChain>
+        caCerts_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The PEM encoded CA certificate chains for memorystore managed
+     * server authentication
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+     * </code>
+     */
+    @java.lang.Override
+    public java.util.List<
+            com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority.RegionalCertChain>
+        getCaCertsList() {
+      return caCerts_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The PEM encoded CA certificate chains for memorystore managed
+     * server authentication
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+     * </code>
+     */
+    @java.lang.Override
+    public java.util.List<
+            ? extends
+                com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                    .RegionalManagedCertificateAuthority.RegionalCertChainOrBuilder>
+        getCaCertsOrBuilderList() {
+      return caCerts_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The PEM encoded CA certificate chains for memorystore managed
+     * server authentication
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+     * </code>
+     */
+    @java.lang.Override
+    public int getCaCertsCount() {
+      return caCerts_.size();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The PEM encoded CA certificate chains for memorystore managed
+     * server authentication
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority.RegionalCertChain
+        getCaCerts(int index) {
+      return caCerts_.get(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The PEM encoded CA certificate chains for memorystore managed
+     * server authentication
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority.RegionalCertChainOrBuilder
+        getCaCertsOrBuilder(int index) {
+      return caCerts_.get(index);
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      for (int i = 0; i < caCerts_.size(); i++) {
+        output.writeMessage(1, caCerts_.get(i));
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      for (int i = 0; i < caCerts_.size(); i++) {
+        size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, caCerts_.get(i));
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj
+          instanceof
+          com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority
+          other =
+              (com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                      .RegionalManagedCertificateAuthority)
+                  obj;
+
+      if (!getCaCertsList().equals(other.getCaCertsList())) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      if (getCaCertsCount() > 0) {
+        hash = (37 * hash) + CA_CERTS_FIELD_NUMBER;
+        hash = (53 * hash) + getCaCertsList().hashCode();
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority
+        parseFrom(java.nio.ByteBuffer data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority
+        parseFrom(
+            java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority
+        parseFrom(com.google.protobuf.ByteString data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority
+        parseFrom(
+            com.google.protobuf.ByteString data,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority
+        parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority
+        parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority
+        parseFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority
+        parseFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority
+        parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority
+        parseFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority
+            prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * CA certificate chains for memorystore managed server authentication.
+     * </pre>
+     *
+     * Protobuf type {@code
+     * google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority)
+        com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthorityOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.memorystore.v1beta.V1mainProto
+            .internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.memorystore.v1beta.V1mainProto
+            .internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                    .RegionalManagedCertificateAuthority.class,
+                com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                    .RegionalManagedCertificateAuthority.Builder.class);
+      }
+
+      // Construct using
+      // com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        if (caCertsBuilder_ == null) {
+          caCerts_ = java.util.Collections.emptyList();
+        } else {
+          caCerts_ = null;
+          caCertsBuilder_.clear();
+        }
+        bitField0_ = (bitField0_ & ~0x00000001);
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.memorystore.v1beta.V1mainProto
+            .internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority
+          getDefaultInstanceForType() {
+        return com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority
+          build() {
+        com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority
+            result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority
+          buildPartial() {
+        com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority
+            result =
+                new com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                    .RegionalManagedCertificateAuthority(this);
+        buildPartialRepeatedFields(result);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartialRepeatedFields(
+          com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority
+              result) {
+        if (caCertsBuilder_ == null) {
+          if (((bitField0_ & 0x00000001) != 0)) {
+            caCerts_ = java.util.Collections.unmodifiableList(caCerts_);
+            bitField0_ = (bitField0_ & ~0x00000001);
+          }
+          result.caCerts_ = caCerts_;
+        } else {
+          result.caCerts_ = caCertsBuilder_.build();
+        }
+      }
+
+      private void buildPartial0(
+          com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority
+              result) {
+        int from_bitField0_ = bitField0_;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other
+            instanceof
+            com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority) {
+          return mergeFrom(
+              (com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                      .RegionalManagedCertificateAuthority)
+                  other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority
+              other) {
+        if (other
+            == com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority.getDefaultInstance()) return this;
+        if (caCertsBuilder_ == null) {
+          if (!other.caCerts_.isEmpty()) {
+            if (caCerts_.isEmpty()) {
+              caCerts_ = other.caCerts_;
+              bitField0_ = (bitField0_ & ~0x00000001);
+            } else {
+              ensureCaCertsIsMutable();
+              caCerts_.addAll(other.caCerts_);
+            }
+            onChanged();
+          }
+        } else {
+          if (!other.caCerts_.isEmpty()) {
+            if (caCertsBuilder_.isEmpty()) {
+              caCertsBuilder_.dispose();
+              caCertsBuilder_ = null;
+              caCerts_ = other.caCerts_;
+              bitField0_ = (bitField0_ & ~0x00000001);
+              caCertsBuilder_ =
+                  com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                      ? internalGetCaCertsFieldBuilder()
+                      : null;
+            } else {
+              caCertsBuilder_.addAllMessages(other.caCerts_);
+            }
+          }
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                          .RegionalManagedCertificateAuthority.RegionalCertChain
+                      m =
+                          input.readMessage(
+                              com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                                  .RegionalManagedCertificateAuthority.RegionalCertChain.parser(),
+                              extensionRegistry);
+                  if (caCertsBuilder_ == null) {
+                    ensureCaCertsIsMutable();
+                    caCerts_.add(m);
+                  } else {
+                    caCertsBuilder_.addMessage(m);
+                  }
+                  break;
+                } // case 10
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private java.util.List<
+              com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChain>
+          caCerts_ = java.util.Collections.emptyList();
+
+      private void ensureCaCertsIsMutable() {
+        if (!((bitField0_ & 0x00000001) != 0)) {
+          caCerts_ =
+              new java.util.ArrayList<
+                  com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                      .RegionalManagedCertificateAuthority.RegionalCertChain>(caCerts_);
+          bitField0_ |= 0x00000001;
+        }
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilder<
+              com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChain,
+              com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChain.Builder,
+              com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChainOrBuilder>
+          caCertsBuilder_;
+
+      /**
+       *
+       *
+       * <pre>
+       * The PEM encoded CA certificate chains for memorystore managed
+       * server authentication
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+       * </code>
+       */
+      public java.util.List<
+              com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChain>
+          getCaCertsList() {
+        if (caCertsBuilder_ == null) {
+          return java.util.Collections.unmodifiableList(caCerts_);
+        } else {
+          return caCertsBuilder_.getMessageList();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The PEM encoded CA certificate chains for memorystore managed
+       * server authentication
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+       * </code>
+       */
+      public int getCaCertsCount() {
+        if (caCertsBuilder_ == null) {
+          return caCerts_.size();
+        } else {
+          return caCertsBuilder_.getCount();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The PEM encoded CA certificate chains for memorystore managed
+       * server authentication
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+       * </code>
+       */
+      public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain
+          getCaCerts(int index) {
+        if (caCertsBuilder_ == null) {
+          return caCerts_.get(index);
+        } else {
+          return caCertsBuilder_.getMessage(index);
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The PEM encoded CA certificate chains for memorystore managed
+       * server authentication
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+       * </code>
+       */
+      public Builder setCaCerts(
+          int index,
+          com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChain
+              value) {
+        if (caCertsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureCaCertsIsMutable();
+          caCerts_.set(index, value);
+          onChanged();
+        } else {
+          caCertsBuilder_.setMessage(index, value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The PEM encoded CA certificate chains for memorystore managed
+       * server authentication
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+       * </code>
+       */
+      public Builder setCaCerts(
+          int index,
+          com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChain.Builder
+              builderForValue) {
+        if (caCertsBuilder_ == null) {
+          ensureCaCertsIsMutable();
+          caCerts_.set(index, builderForValue.build());
+          onChanged();
+        } else {
+          caCertsBuilder_.setMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The PEM encoded CA certificate chains for memorystore managed
+       * server authentication
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+       * </code>
+       */
+      public Builder addCaCerts(
+          com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChain
+              value) {
+        if (caCertsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureCaCertsIsMutable();
+          caCerts_.add(value);
+          onChanged();
+        } else {
+          caCertsBuilder_.addMessage(value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The PEM encoded CA certificate chains for memorystore managed
+       * server authentication
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+       * </code>
+       */
+      public Builder addCaCerts(
+          int index,
+          com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChain
+              value) {
+        if (caCertsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureCaCertsIsMutable();
+          caCerts_.add(index, value);
+          onChanged();
+        } else {
+          caCertsBuilder_.addMessage(index, value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The PEM encoded CA certificate chains for memorystore managed
+       * server authentication
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+       * </code>
+       */
+      public Builder addCaCerts(
+          com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChain.Builder
+              builderForValue) {
+        if (caCertsBuilder_ == null) {
+          ensureCaCertsIsMutable();
+          caCerts_.add(builderForValue.build());
+          onChanged();
+        } else {
+          caCertsBuilder_.addMessage(builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The PEM encoded CA certificate chains for memorystore managed
+       * server authentication
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+       * </code>
+       */
+      public Builder addCaCerts(
+          int index,
+          com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChain.Builder
+              builderForValue) {
+        if (caCertsBuilder_ == null) {
+          ensureCaCertsIsMutable();
+          caCerts_.add(index, builderForValue.build());
+          onChanged();
+        } else {
+          caCertsBuilder_.addMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The PEM encoded CA certificate chains for memorystore managed
+       * server authentication
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+       * </code>
+       */
+      public Builder addAllCaCerts(
+          java.lang.Iterable<
+                  ? extends
+                      com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                          .RegionalManagedCertificateAuthority.RegionalCertChain>
+              values) {
+        if (caCertsBuilder_ == null) {
+          ensureCaCertsIsMutable();
+          com.google.protobuf.AbstractMessageLite.Builder.addAll(values, caCerts_);
+          onChanged();
+        } else {
+          caCertsBuilder_.addAllMessages(values);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The PEM encoded CA certificate chains for memorystore managed
+       * server authentication
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+       * </code>
+       */
+      public Builder clearCaCerts() {
+        if (caCertsBuilder_ == null) {
+          caCerts_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000001);
+          onChanged();
+        } else {
+          caCertsBuilder_.clear();
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The PEM encoded CA certificate chains for memorystore managed
+       * server authentication
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+       * </code>
+       */
+      public Builder removeCaCerts(int index) {
+        if (caCertsBuilder_ == null) {
+          ensureCaCertsIsMutable();
+          caCerts_.remove(index);
+          onChanged();
+        } else {
+          caCertsBuilder_.remove(index);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The PEM encoded CA certificate chains for memorystore managed
+       * server authentication
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+       * </code>
+       */
+      public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain.Builder
+          getCaCertsBuilder(int index) {
+        return internalGetCaCertsFieldBuilder().getBuilder(index);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The PEM encoded CA certificate chains for memorystore managed
+       * server authentication
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+       * </code>
+       */
+      public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChainOrBuilder
+          getCaCertsOrBuilder(int index) {
+        if (caCertsBuilder_ == null) {
+          return caCerts_.get(index);
+        } else {
+          return caCertsBuilder_.getMessageOrBuilder(index);
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The PEM encoded CA certificate chains for memorystore managed
+       * server authentication
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+       * </code>
+       */
+      public java.util.List<
+              ? extends
+                  com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                      .RegionalManagedCertificateAuthority.RegionalCertChainOrBuilder>
+          getCaCertsOrBuilderList() {
+        if (caCertsBuilder_ != null) {
+          return caCertsBuilder_.getMessageOrBuilderList();
+        } else {
+          return java.util.Collections.unmodifiableList(caCerts_);
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The PEM encoded CA certificate chains for memorystore managed
+       * server authentication
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+       * </code>
+       */
+      public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain.Builder
+          addCaCertsBuilder() {
+        return internalGetCaCertsFieldBuilder()
+            .addBuilder(
+                com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                    .RegionalManagedCertificateAuthority.RegionalCertChain.getDefaultInstance());
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The PEM encoded CA certificate chains for memorystore managed
+       * server authentication
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+       * </code>
+       */
+      public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority.RegionalCertChain.Builder
+          addCaCertsBuilder(int index) {
+        return internalGetCaCertsFieldBuilder()
+            .addBuilder(
+                index,
+                com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                    .RegionalManagedCertificateAuthority.RegionalCertChain.getDefaultInstance());
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The PEM encoded CA certificate chains for memorystore managed
+       * server authentication
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority.RegionalCertChain ca_certs = 1;
+       * </code>
+       */
+      public java.util.List<
+              com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChain.Builder>
+          getCaCertsBuilderList() {
+        return internalGetCaCertsFieldBuilder().getBuilderList();
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilder<
+              com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChain,
+              com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChain.Builder,
+              com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.RegionalCertChainOrBuilder>
+          internalGetCaCertsFieldBuilder() {
+        if (caCertsBuilder_ == null) {
+          caCertsBuilder_ =
+              new com.google.protobuf.RepeatedFieldBuilder<
+                  com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                      .RegionalManagedCertificateAuthority.RegionalCertChain,
+                  com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                      .RegionalManagedCertificateAuthority.RegionalCertChain.Builder,
+                  com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                      .RegionalManagedCertificateAuthority.RegionalCertChainOrBuilder>(
+                  caCerts_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
+          caCerts_ = null;
+        }
+        return caCertsBuilder_;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority)
+    private static final com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE =
+          new com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority();
+    }
+
+    public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<RegionalManagedCertificateAuthority> PARSER =
+        new com.google.protobuf.AbstractParser<RegionalManagedCertificateAuthority>() {
+          @java.lang.Override
+          public RegionalManagedCertificateAuthority parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<RegionalManagedCertificateAuthority> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<RegionalManagedCertificateAuthority> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  private int serverCaCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object serverCa_;
+
+  public enum ServerCaCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    MANAGED_SERVER_CA(2),
+    SERVERCA_NOT_SET(0);
+    private final int value;
+
+    private ServerCaCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static ServerCaCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static ServerCaCase forNumber(int value) {
+      switch (value) {
+        case 2:
+          return MANAGED_SERVER_CA;
+        case 0:
+          return SERVERCA_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public ServerCaCase getServerCaCase() {
+    return ServerCaCase.forNumber(serverCaCase_);
+  }
+
+  public static final int MANAGED_SERVER_CA_FIELD_NUMBER = 2;
+
+  /**
+   *
+   *
+   * <pre>
+   * CA certificate chains for memorystore managed server authentication.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority managed_server_ca = 2;
+   * </code>
+   *
+   * @return Whether the managedServerCa field is set.
+   */
+  @java.lang.Override
+  public boolean hasManagedServerCa() {
+    return serverCaCase_ == 2;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * CA certificate chains for memorystore managed server authentication.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority managed_server_ca = 2;
+   * </code>
+   *
+   * @return The managedServerCa.
+   */
+  @java.lang.Override
+  public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+          .RegionalManagedCertificateAuthority
+      getManagedServerCa() {
+    if (serverCaCase_ == 2) {
+      return (com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority)
+          serverCa_;
+    }
+    return com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+        .RegionalManagedCertificateAuthority.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * CA certificate chains for memorystore managed server authentication.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority managed_server_ca = 2;
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+          .RegionalManagedCertificateAuthorityOrBuilder
+      getManagedServerCaOrBuilder() {
+    if (serverCaCase_ == 2) {
+      return (com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .RegionalManagedCertificateAuthority)
+          serverCa_;
+    }
+    return com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+        .RegionalManagedCertificateAuthority.getDefaultInstance();
+  }
+
+  public static final int NAME_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object name_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Identifier. Unique name of the resource in this scope including project and
+   * location using the form:
+   * `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+   *
+   * @return The name.
+   */
+  @java.lang.Override
+  public java.lang.String getName() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      name_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Identifier. Unique name of the resource in this scope including project and
+   * location using the form:
+   * `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+   *
+   * @return The bytes for name.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNameBytes() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      name_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
+    }
+    if (serverCaCase_ == 2) {
+      output.writeMessage(
+          2,
+          (com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority)
+              serverCa_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, name_);
+    }
+    if (serverCaCase_ == 2) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              2,
+              (com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                      .RegionalManagedCertificateAuthority)
+                  serverCa_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority other =
+        (com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority) obj;
+
+    if (!getName().equals(other.getName())) return false;
+    if (!getServerCaCase().equals(other.getServerCaCase())) return false;
+    switch (serverCaCase_) {
+      case 2:
+        if (!getManagedServerCa().equals(other.getManagedServerCa())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getName().hashCode();
+    switch (serverCaCase_) {
+      case 2:
+        hash = (37 * hash) + MANAGED_SERVER_CA_FIELD_NUMBER;
+        hash = (53 * hash) + getManagedServerCa().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority parseFrom(
+      byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+      parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+      parseDelimitedFrom(
+          java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Shared regional certificate authority for an instance.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority)
+      com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthorityOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.memorystore.v1beta.V1mainProto
+          .internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.memorystore.v1beta.V1mainProto
+          .internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.class,
+              com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.Builder.class);
+    }
+
+    // Construct using
+    // com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (managedServerCaBuilder_ != null) {
+        managedServerCaBuilder_.clear();
+      }
+      name_ = "";
+      serverCaCase_ = 0;
+      serverCa_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.memorystore.v1beta.V1mainProto
+          .internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+        getDefaultInstanceForType() {
+      return com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+          .getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority build() {
+      com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority result =
+          buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority buildPartial() {
+      com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority result =
+          new com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(
+        com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.name_ = name_;
+      }
+    }
+
+    private void buildPartialOneofs(
+        com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority result) {
+      result.serverCaCase_ = serverCaCase_;
+      result.serverCa_ = this.serverCa_;
+      if (serverCaCase_ == 2 && managedServerCaBuilder_ != null) {
+        result.serverCa_ = managedServerCaBuilder_.build();
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority) {
+        return mergeFrom(
+            (com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(
+        com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority other) {
+      if (other
+          == com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+              .getDefaultInstance()) return this;
+      if (!other.getName().isEmpty()) {
+        name_ = other.name_;
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      switch (other.getServerCaCase()) {
+        case MANAGED_SERVER_CA:
+          {
+            mergeManagedServerCa(other.getManagedServerCa());
+            break;
+          }
+        case SERVERCA_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                name_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 10
+            case 18:
+              {
+                input.readMessage(
+                    internalGetManagedServerCaFieldBuilder().getBuilder(), extensionRegistry);
+                serverCaCase_ = 2;
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int serverCaCase_ = 0;
+    private java.lang.Object serverCa_;
+
+    public ServerCaCase getServerCaCase() {
+      return ServerCaCase.forNumber(serverCaCase_);
+    }
+
+    public Builder clearServerCa() {
+      serverCaCase_ = 0;
+      serverCa_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority,
+            com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority.Builder,
+            com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthorityOrBuilder>
+        managedServerCaBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * CA certificate chains for memorystore managed server authentication.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority managed_server_ca = 2;
+     * </code>
+     *
+     * @return Whether the managedServerCa field is set.
+     */
+    @java.lang.Override
+    public boolean hasManagedServerCa() {
+      return serverCaCase_ == 2;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * CA certificate chains for memorystore managed server authentication.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority managed_server_ca = 2;
+     * </code>
+     *
+     * @return The managedServerCa.
+     */
+    @java.lang.Override
+    public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority
+        getManagedServerCa() {
+      if (managedServerCaBuilder_ == null) {
+        if (serverCaCase_ == 2) {
+          return (com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority)
+              serverCa_;
+        }
+        return com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority.getDefaultInstance();
+      } else {
+        if (serverCaCase_ == 2) {
+          return managedServerCaBuilder_.getMessage();
+        }
+        return com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * CA certificate chains for memorystore managed server authentication.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority managed_server_ca = 2;
+     * </code>
+     */
+    public Builder setManagedServerCa(
+        com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority
+            value) {
+      if (managedServerCaBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        serverCa_ = value;
+        onChanged();
+      } else {
+        managedServerCaBuilder_.setMessage(value);
+      }
+      serverCaCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * CA certificate chains for memorystore managed server authentication.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority managed_server_ca = 2;
+     * </code>
+     */
+    public Builder setManagedServerCa(
+        com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority.Builder
+            builderForValue) {
+      if (managedServerCaBuilder_ == null) {
+        serverCa_ = builderForValue.build();
+        onChanged();
+      } else {
+        managedServerCaBuilder_.setMessage(builderForValue.build());
+      }
+      serverCaCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * CA certificate chains for memorystore managed server authentication.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority managed_server_ca = 2;
+     * </code>
+     */
+    public Builder mergeManagedServerCa(
+        com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority
+            value) {
+      if (managedServerCaBuilder_ == null) {
+        if (serverCaCase_ == 2
+            && serverCa_
+                != com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                    .RegionalManagedCertificateAuthority.getDefaultInstance()) {
+          serverCa_ =
+              com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.newBuilder(
+                      (com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                              .RegionalManagedCertificateAuthority)
+                          serverCa_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          serverCa_ = value;
+        }
+        onChanged();
+      } else {
+        if (serverCaCase_ == 2) {
+          managedServerCaBuilder_.mergeFrom(value);
+        } else {
+          managedServerCaBuilder_.setMessage(value);
+        }
+      }
+      serverCaCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * CA certificate chains for memorystore managed server authentication.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority managed_server_ca = 2;
+     * </code>
+     */
+    public Builder clearManagedServerCa() {
+      if (managedServerCaBuilder_ == null) {
+        if (serverCaCase_ == 2) {
+          serverCaCase_ = 0;
+          serverCa_ = null;
+          onChanged();
+        }
+      } else {
+        if (serverCaCase_ == 2) {
+          serverCaCase_ = 0;
+          serverCa_ = null;
+        }
+        managedServerCaBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * CA certificate chains for memorystore managed server authentication.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority managed_server_ca = 2;
+     * </code>
+     */
+    public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority.Builder
+        getManagedServerCaBuilder() {
+      return internalGetManagedServerCaFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * CA certificate chains for memorystore managed server authentication.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority managed_server_ca = 2;
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthorityOrBuilder
+        getManagedServerCaOrBuilder() {
+      if ((serverCaCase_ == 2) && (managedServerCaBuilder_ != null)) {
+        return managedServerCaBuilder_.getMessageOrBuilder();
+      } else {
+        if (serverCaCase_ == 2) {
+          return (com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority)
+              serverCa_;
+        }
+        return com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+            .RegionalManagedCertificateAuthority.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * CA certificate chains for memorystore managed server authentication.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority managed_server_ca = 2;
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority,
+            com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthority.Builder,
+            com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                .RegionalManagedCertificateAuthorityOrBuilder>
+        internalGetManagedServerCaFieldBuilder() {
+      if (managedServerCaBuilder_ == null) {
+        if (!(serverCaCase_ == 2)) {
+          serverCa_ =
+              com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                  .RegionalManagedCertificateAuthority.getDefaultInstance();
+        }
+        managedServerCaBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                    .RegionalManagedCertificateAuthority,
+                com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                    .RegionalManagedCertificateAuthority.Builder,
+                com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                    .RegionalManagedCertificateAuthorityOrBuilder>(
+                (com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+                        .RegionalManagedCertificateAuthority)
+                    serverCa_,
+                getParentForChildren(),
+                isClean());
+        serverCa_ = null;
+      }
+      serverCaCase_ = 2;
+      onChanged();
+      return managedServerCaBuilder_;
+    }
+
+    private java.lang.Object name_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. Unique name of the resource in this scope including project and
+     * location using the form:
+     * `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @return The name.
+     */
+    public java.lang.String getName() {
+      java.lang.Object ref = name_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        name_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. Unique name of the resource in this scope including project and
+     * location using the form:
+     * `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @return The bytes for name.
+     */
+    public com.google.protobuf.ByteString getNameBytes() {
+      java.lang.Object ref = name_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        name_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. Unique name of the resource in this scope including project and
+     * location using the form:
+     * `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @param value The name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      name_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. Unique name of the resource in this scope including project and
+     * location using the form:
+     * `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+      name_ = getDefaultInstance().getName();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. Unique name of the resource in this scope including project and
+     * location using the form:
+     * `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @param value The bytes for name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      name_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority)
+  private static final com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+      DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority();
+  }
+
+  public static com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+      getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<SharedRegionalCertificateAuthority> PARSER =
+      new com.google.protobuf.AbstractParser<SharedRegionalCertificateAuthority>() {
+        @java.lang.Override
+        public SharedRegionalCertificateAuthority parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<SharedRegionalCertificateAuthority> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<SharedRegionalCertificateAuthority> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+      getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/SharedRegionalCertificateAuthorityName.java b/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/SharedRegionalCertificateAuthorityName.java
new file mode 100644
index 000000000000..b2660f367fbf
--- /dev/null
+++ b/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/SharedRegionalCertificateAuthorityName.java
@@ -0,0 +1,195 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloud.memorystore.v1beta;
+
+import com.google.api.pathtemplate.PathTemplate;
+import com.google.api.resourcenames.ResourceName;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableMap;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import javax.annotation.Generated;
+
+// AUTO-GENERATED DOCUMENTATION AND CLASS.
+@Generated("by gapic-generator-java")
+public class SharedRegionalCertificateAuthorityName implements ResourceName {
+  private static final PathTemplate PROJECT_LOCATION =
+      PathTemplate.createWithoutUrlEncoding(
+          "projects/{project}/locations/{location}/sharedRegionalCertificateAuthority");
+  private volatile Map<String, String> fieldValuesMap;
+  private final String project;
+  private final String location;
+
+  @Deprecated
+  protected SharedRegionalCertificateAuthorityName() {
+    project = null;
+    location = null;
+  }
+
+  private SharedRegionalCertificateAuthorityName(Builder builder) {
+    project = Preconditions.checkNotNull(builder.getProject());
+    location = Preconditions.checkNotNull(builder.getLocation());
+  }
+
+  public String getProject() {
+    return project;
+  }
+
+  public String getLocation() {
+    return location;
+  }
+
+  public static Builder newBuilder() {
+    return new Builder();
+  }
+
+  public Builder toBuilder() {
+    return new Builder(this);
+  }
+
+  public static SharedRegionalCertificateAuthorityName of(String project, String location) {
+    return newBuilder().setProject(project).setLocation(location).build();
+  }
+
+  public static String format(String project, String location) {
+    return newBuilder().setProject(project).setLocation(location).build().toString();
+  }
+
+  public static SharedRegionalCertificateAuthorityName parse(String formattedString) {
+    if (formattedString.isEmpty()) {
+      return null;
+    }
+    Map<String, String> matchMap =
+        PROJECT_LOCATION.validatedMatch(
+            formattedString,
+            "SharedRegionalCertificateAuthorityName.parse: formattedString not in valid format");
+    return of(matchMap.get("project"), matchMap.get("location"));
+  }
+
+  public static List<SharedRegionalCertificateAuthorityName> parseList(
+      List<String> formattedStrings) {
+    List<SharedRegionalCertificateAuthorityName> list = new ArrayList<>(formattedStrings.size());
+    for (String formattedString : formattedStrings) {
+      list.add(parse(formattedString));
+    }
+    return list;
+  }
+
+  public static List<String> toStringList(List<SharedRegionalCertificateAuthorityName> values) {
+    List<String> list = new ArrayList<>(values.size());
+    for (SharedRegionalCertificateAuthorityName value : values) {
+      if (value == null) {
+        list.add("");
+      } else {
+        list.add(value.toString());
+      }
+    }
+    return list;
+  }
+
+  public static boolean isParsableFrom(String formattedString) {
+    return PROJECT_LOCATION.matches(formattedString);
+  }
+
+  @Override
+  public Map<String, String> getFieldValuesMap() {
+    if (fieldValuesMap == null) {
+      synchronized (this) {
+        if (fieldValuesMap == null) {
+          ImmutableMap.Builder<String, String> fieldMapBuilder = ImmutableMap.builder();
+          if (project != null) {
+            fieldMapBuilder.put("project", project);
+          }
+          if (location != null) {
+            fieldMapBuilder.put("location", location);
+          }
+          fieldValuesMap = fieldMapBuilder.build();
+        }
+      }
+    }
+    return fieldValuesMap;
+  }
+
+  public String getFieldValue(String fieldName) {
+    return getFieldValuesMap().get(fieldName);
+  }
+
+  @Override
+  public String toString() {
+    return PROJECT_LOCATION.instantiate("project", project, "location", location);
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (o == this) {
+      return true;
+    }
+    if (o != null && getClass() == o.getClass()) {
+      SharedRegionalCertificateAuthorityName that = ((SharedRegionalCertificateAuthorityName) o);
+      return Objects.equals(this.project, that.project)
+          && Objects.equals(this.location, that.location);
+    }
+    return false;
+  }
+
+  @Override
+  public int hashCode() {
+    int h = 1;
+    h *= 1000003;
+    h ^= Objects.hashCode(project);
+    h *= 1000003;
+    h ^= Objects.hashCode(location);
+    return h;
+  }
+
+  /** Builder for projects/{project}/locations/{location}/sharedRegionalCertificateAuthority. */
+  public static class Builder {
+    private String project;
+    private String location;
+
+    protected Builder() {}
+
+    public String getProject() {
+      return project;
+    }
+
+    public String getLocation() {
+      return location;
+    }
+
+    public Builder setProject(String project) {
+      this.project = project;
+      return this;
+    }
+
+    public Builder setLocation(String location) {
+      this.location = location;
+      return this;
+    }
+
+    private Builder(SharedRegionalCertificateAuthorityName sharedRegionalCertificateAuthorityName) {
+      this.project = sharedRegionalCertificateAuthorityName.project;
+      this.location = sharedRegionalCertificateAuthorityName.location;
+    }
+
+    public SharedRegionalCertificateAuthorityName build() {
+      return new SharedRegionalCertificateAuthorityName(this);
+    }
+  }
+}
diff --git a/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/SharedRegionalCertificateAuthorityOrBuilder.java b/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/SharedRegionalCertificateAuthorityOrBuilder.java
new file mode 100644
index 000000000000..d7079f09f04d
--- /dev/null
+++ b/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/SharedRegionalCertificateAuthorityOrBuilder.java
@@ -0,0 +1,108 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/memorystore/v1beta/memorystore.proto
+// Protobuf Java Version: 4.33.2
+
+package com.google.cloud.memorystore.v1beta;
+
+@com.google.protobuf.Generated
+public interface SharedRegionalCertificateAuthorityOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * CA certificate chains for memorystore managed server authentication.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority managed_server_ca = 2;
+   * </code>
+   *
+   * @return Whether the managedServerCa field is set.
+   */
+  boolean hasManagedServerCa();
+
+  /**
+   *
+   *
+   * <pre>
+   * CA certificate chains for memorystore managed server authentication.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority managed_server_ca = 2;
+   * </code>
+   *
+   * @return The managedServerCa.
+   */
+  com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+          .RegionalManagedCertificateAuthority
+      getManagedServerCa();
+
+  /**
+   *
+   *
+   * <pre>
+   * CA certificate chains for memorystore managed server authentication.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.RegionalManagedCertificateAuthority managed_server_ca = 2;
+   * </code>
+   */
+  com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority
+          .RegionalManagedCertificateAuthorityOrBuilder
+      getManagedServerCaOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Identifier. Unique name of the resource in this scope including project and
+   * location using the form:
+   * `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+   *
+   * @return The name.
+   */
+  java.lang.String getName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Identifier. Unique name of the resource in this scope including project and
+   * location using the form:
+   * `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+   *
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString getNameBytes();
+
+  com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority.ServerCaCase
+      getServerCaCase();
+}
diff --git a/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/V1mainProto.java b/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/V1mainProto.java
index c611cf494f9d..69545e9525bc 100644
--- a/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/V1mainProto.java
+++ b/java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/V1mainProto.java
@@ -140,6 +140,22 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_memorystore_v1beta_CertificateAuthority_ManagedCertificateAuthority_CertChain_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_memorystore_v1beta_CertificateAuthority_ManagedCertificateAuthority_CertChain_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_RegionalCertChain_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_RegionalCertChain_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_memorystore_v1beta_GetSharedRegionalCertificateAuthorityRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_memorystore_v1beta_GetSharedRegionalCertificateAuthorityRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_memorystore_v1beta_OperationMetadata_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
@@ -160,7 +176,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "havior.proto\032\033google/api/field_info.prot"
           + "o\032\031google/api/resource.proto\032#google/lon"
           + "grunning/operations.proto\032\033google/protobuf/empty.proto\032"
-          + " google/protobuf/field_mask.proto\032\037google/protobuf/timestamp.proto\"\200\026\n"
+          + " google/protobuf/field_mask.proto\032\037google/protobuf/timestamp.proto\"\306\032\n"
           + "\010Instance\022\021\n"
           + "\004name\030\001 \001(\tB\003\340A\010\0224\n"
           + "\013create_time\030\002 \001(\0132\032.google.protobuf.TimestampB\003\340A\003\0224\n"
@@ -200,10 +216,16 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\tendpoints\030\031 \003(\0132:.google"
           + ".cloud.memorystore.v1beta.Instance.InstanceEndpointB\003\340A\001\022A\n"
           + "\004mode\030\032 \001(\0162..google."
-          + "cloud.memorystore.v1beta.Instance.ModeB\003\340A\001\032\374\001\n"
+          + "cloud.memorystore.v1beta.Instance.ModeB\003\340A\001\022[\n"
+          + "\016server_ca_mode\0308 \001(\01626.google.clo"
+          + "ud.memorystore.v1beta.Instance.ServerCaModeB\006\340A\001\340A\005H\002\210\001\001\022G\n"
+          + "\016server_ca_pool\0309 \001(\tB*\340A\001\340A\005\372A!\n"
+          + "\037privateca.googleapis.com/CaPoolH\003\210\001\001\022.\n"
+          + "\031rotate_server_certificate\030:"
+          + " \001(\010B\006\340A\001\340A\004H\004\210\001\001\032\374\001\n"
           + "\tStateInfo\022Z\n"
-          + "\013update_info\030\001 \001(\0132>"
-          + ".google.cloud.memorystore.v1beta.Instance.StateInfo.UpdateInfoB\003\340A\003H\000\032\212\001\n\n"
+          + "\013update_info\030\001 \001(\0132>.google.cloud.memorystore."
+          + "v1beta.Instance.StateInfo.UpdateInfoB\003\340A\003H\000\032\212\001\n\n"
           + "UpdateInfo\022$\n"
           + "\022target_shard_count\030\001 \001(\005B\003\340A\003H\000\210\001\001\022&\n"
           + "\024target_replica_count\030\002 \001(\005B\003\340A\003H\001\210\001\001B\025\n"
@@ -211,20 +233,20 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\025_target_replica_countB\006\n"
           + "\004info\032h\n"
           + "\020InstanceEndpoint\022T\n"
-          + "\013connections\030\001 \003(\0132:.google.cloud.memor"
-          + "ystore.v1beta.Instance.ConnectionDetailB\003\340A\001\032\275\001\n"
+          + "\013connections\030\001 \003(\0132:.goog"
+          + "le.cloud.memorystore.v1beta.Instance.ConnectionDetailB\003\340A\001\032\275\001\n"
           + "\020ConnectionDetail\022Q\n"
-          + "\023psc_auto_connection\030\001"
-          + " \001(\01322.google.cloud.memorystore.v1beta.PscAutoConnectionH\000\022H\n"
+          + "\023psc_auto_connection\030\001 \001(\01322.google.cl"
+          + "oud.memorystore.v1beta.PscAutoConnectionH\000\022H\n"
           + "\016psc_connection\030\002"
           + " \001(\0132..google.cloud.memorystore.v1beta.PscConnectionH\000B\014\n\n"
           + "connection\032-\n"
           + "\013LabelsEntry\022\013\n"
-          + "\003key\030\001 \001(\t\022\r\n"
-          + "\005value\030\002 \001(\t:\0028\001\0324\n"
-          + "\022EngineConfigsEntry\022\013\n"
           + "\003key\030\001 \001(\t\022\r"
           + "\n"
+          + "\005value\030\002 \001(\t:\0028\001\0324\n"
+          + "\022EngineConfigsEntry\022\013\n"
+          + "\003key\030\001 \001(\t\022\r\n"
           + "\005value\030\002 \001(\t:\0028\001\"T\n"
           + "\005State\022\025\n"
           + "\021STATE_UNSPECIFIED\020\000\022\014\n"
@@ -250,12 +272,24 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\020MODE_UNSPECIFIED\020\000\022\022\n\n"
           + "STANDALONE\020\001\032\002\010\001\022\013\n"
           + "\007CLUSTER\020\002\022\024\n"
-          + "\020CLUSTER_DISABLED\020\004:{\352Ax\n"
-          + "#memorystore.googleapis.com/I"
-          + "nstance\022<projects/{project}/locations/{location}/instances/{instance}*"
+          + "\020CLUSTER_DISABLED\020\004\"\251\002\n"
+          + "\014ServerCaMode\022\036\n"
+          + "\032SERVER_CA_MODE_UNSPECIFIED\020\000\022\"\n"
+          + "\036GOOGLE_MANAGED_PER_INSTANCE_CA\020\001\022\034\n"
+          + "\030GOOGLE_MANAGED_SHARED_CA\020\002\022\033\n"
+          + "\027CUSTOMER_MANAGED_CAS_CA\020\003\0225\n"
+          + "-SERVER_CA_MODE_GOOGLE_MANAGED_PER_INSTANCE_CA\020\001\032\002\010\001\022/\n"
+          + "\'SERVER_CA_MODE_GOOGLE_MANAGED_SHARED_CA\020\002\032\002\010\001\022.\n"
+          + "&SERVER_CA"
+          + "_MODE_CUSTOMER_MANAGED_CAS_CA\020\003\032\002\010\001\032\002\020\001:{\352Ax\n"
+          + "#memorystore.googleapis.com/Instanc"
+          + "e\022<projects/{project}/locations/{location}/instances/{instance}*"
           + "\tinstances2\010instanceB\020\n"
           + "\016_replica_countB\036\n"
-          + "\034_deletion_protection_enabled\"\206\004\n"
+          + "\034_deletion_protection_enabledB\021\n"
+          + "\017_server_ca_modeB\021\n"
+          + "\017_server_ca_poolB\034\n"
+          + "\032_rotate_server_certificate\"\206\004\n"
           + "\021PscAutoConnection\022\026\n"
           + "\004port\030\t \001(\005B\006\340A\003\340A\001H\000\022\036\n"
           + "\021psc_connection_id\030\001 \001(\tB\003\340A\003\022\037\n\n"
@@ -267,10 +301,10 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\036compute.googleapis.com/Network\022L\n"
           + "\022service_attachment\030\006 \001(\tB0\340A\003\372A*\n"
           + "(compute.googleapis.com/ServiceAttachment\022X\n"
-          + "\025psc_connection_status\030\007 \001(\01624.goo"
-          + "gle.cloud.memorystore.v1beta.PscConnectionStatusB\003\340A\003\022M\n"
-          + "\017connection_type\030\010 \001(\0162/"
-          + ".google.cloud.memorystore.v1beta.ConnectionTypeB\003\340A\003B\007\n"
+          + "\025psc_connection_status\030\007"
+          + " \001(\01624.google.cloud.memorystore.v1beta.PscConnectionStatusB\003\340A\003\022M\n"
+          + "\017connection_type\030\010"
+          + " \001(\0162/.google.cloud.memorystore.v1beta.ConnectionTypeB\003\340A\003B\007\n"
           + "\005ports\"\341\003\n\r"
           + "PscConnection\022\036\n"
           + "\021psc_connection_id\030\001 \001(\tB\003\340A\003\022\037\n\n"
@@ -282,25 +316,25 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\036compute.googleapis.com/Network\022L\n"
           + "\022service_attachment\030\006 \001(\tB0\340A\002\372A*\n"
           + "(compute.googleapis.com/ServiceAttachment\022X\n"
-          + "\025psc_connection_status\030\007"
-          + " \001(\01624.google.cloud.memorystore.v1beta.PscConnectionStatusB\003\340A\003\022M\n"
-          + "\017connection_type\030\010"
-          + " \001(\0162/.google.cloud.memorystore.v1beta.ConnectionTypeB\003\340A\003\"u\n"
+          + "\025psc_connection_status\030\007 \001(\01624.google.c"
+          + "loud.memorystore.v1beta.PscConnectionStatusB\003\340A\003\022M\n"
+          + "\017connection_type\030\010 \001(\0162/.goog"
+          + "le.cloud.memorystore.v1beta.ConnectionTypeB\003\340A\003\"u\n"
           + "\021DiscoveryEndpoint\022\024\n"
           + "\007address\030\001 \001(\tB\003\340A\003\022\021\n"
           + "\004port\030\002 \001(\005B\003\340A\003\0227\n"
           + "\007network\030\004 \001(\tB&\340A\003\372A \n"
           + "\036compute.googleapis.com/Network\"\353\006\n"
           + "\021PersistenceConfig\022U\n"
-          + "\004mode\030\001 \001(\0162B.google.cloud.memo"
-          + "rystore.v1beta.PersistenceConfig.PersistenceModeB\003\340A\001\022U\n\n"
-          + "rdb_config\030\002 \001(\0132<.goog"
-          + "le.cloud.memorystore.v1beta.PersistenceConfig.RDBConfigB\003\340A\001\022U\n\n"
-          + "aof_config\030\003 \001(\013"
-          + "2<.google.cloud.memorystore.v1beta.PersistenceConfig.AOFConfigB\003\340A\001\032\265\002\n"
+          + "\004mode\030\001 \001"
+          + "(\0162B.google.cloud.memorystore.v1beta.PersistenceConfig.PersistenceModeB\003\340A\001\022U\n\n"
+          + "rdb_config\030\002 \001(\0132<.google.cloud.memorysto"
+          + "re.v1beta.PersistenceConfig.RDBConfigB\003\340A\001\022U\n\n"
+          + "aof_config\030\003 \001(\0132<.google.cloud.me"
+          + "morystore.v1beta.PersistenceConfig.AOFConfigB\003\340A\001\032\265\002\n"
           + "\tRDBConfig\022m\n"
-          + "\023rdb_snapshot_period\030\001 \001(\0162K.google."
-          + "cloud.memorystore.v1beta.PersistenceConfig.RDBConfig.SnapshotPeriodB\003\340A\001\022@\n"
+          + "\023rdb_snapshot_period\030\001 \001(\0162K.google.cloud.memorystore."
+          + "v1beta.PersistenceConfig.RDBConfig.SnapshotPeriodB\003\340A\001\022@\n"
           + "\027rdb_snapshot_start_time\030\002"
           + " \001(\0132\032.google.protobuf.TimestampB\003\340A\001\"w\n"
           + "\016SnapshotPeriod\022\037\n"
@@ -310,8 +344,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\014TWELVE_HOURS\020\003\022\025\n"
           + "\021TWENTY_FOUR_HOURS\020\004\032\303\001\n"
           + "\tAOFConfig\022c\n"
-          + "\014append_fsync\030\001 \001(\0162H.google.cloud.memorysto"
-          + "re.v1beta.PersistenceConfig.AOFConfig.AppendFsyncB\003\340A\001\"Q\n"
+          + "\014append_fsync\030\001 \001(\0162H."
+          + "google.cloud.memorystore.v1beta.PersistenceConfig.AOFConfig.AppendFsyncB\003\340A\001\"Q\n"
           + "\013AppendFsync\022\034\n"
           + "\030APPEND_FSYNC_UNSPECIFIED\020\000\022\t\n"
           + "\005NEVER\020\001\022\r\n"
@@ -326,8 +360,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\007size_gb\030\001 \001(\001B\003\340A\003\"\355\001\n"
           + "\026ZoneDistributionConfig\022\021\n"
           + "\004zone\030\002 \001(\tB\003\340A\001\022_\n"
-          + "\004mode\030\001 \001(\0162L.google.cloud.memorystore.v1beta.ZoneDis"
-          + "tributionConfig.ZoneDistributionModeB\003\340A\001\"_\n"
+          + "\004mode\030\001 \001(\0162L.google.cloud.memo"
+          + "rystore.v1beta.ZoneDistributionConfig.ZoneDistributionModeB\003\340A\001\"_\n"
           + "\024ZoneDistributionMode\022&\n"
           + "\"ZONE_DISTRIBUTION_MODE_UNSPECIFIED\020\000\022\016\n\n"
           + "MULTI_ZONE\020\001\022\017\n"
@@ -347,16 +381,16 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\004name\030\001 \001(\tB+\340A\002\372A%\n"
           + "#memorystore.googleapis.com/Instance\"\321\001\n"
           + "\025CreateInstanceRequest\022;\n"
-          + "\006parent\030\001 \001("
-          + "\tB+\340A\002\372A%\022#memorystore.googleapis.com/Instance\022\030\n"
+          + "\006parent\030\001 \001(\tB+\340A"
+          + "\002\372A%\022#memorystore.googleapis.com/Instance\022\030\n"
           + "\013instance_id\030\002 \001(\tB\003\340A\002\022@\n"
           + "\010instance\030\003"
           + " \001(\0132).google.cloud.memorystore.v1beta.InstanceB\003\340A\002\022\037\n\n"
           + "request_id\030\004 \001(\tB\013\340A\001\342\214\317\327\010\002\010\001\"\260\001\n"
           + "\025UpdateInstanceRequest\0224\n"
           + "\013update_mask\030\001 \001(\0132\032.google.protobuf.FieldMaskB\003\340A\001\022@\n"
-          + "\010instance\030\002 \001"
-          + "(\0132).google.cloud.memorystore.v1beta.InstanceB\003\340A\002\022\037\n\n"
+          + "\010instance\030\002"
+          + " \001(\0132).google.cloud.memorystore.v1beta.InstanceB\003\340A\002\022\037\n\n"
           + "request_id\030\003 \001(\tB\013\340A\001\342\214\317\327\010\002\010\001\"s\n"
           + "\025DeleteInstanceRequest\0229\n"
           + "\004name\030\001 \001(\tB+\340A\002\372A%\n"
@@ -366,18 +400,36 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\004name\030\001 \001(\tB+\340A\002\372A%\n"
           + "#memorystore.googleapis.com/Instance\"\221\004\n"
           + "\024CertificateAuthority\022n\n"
-          + "\021managed_server_ca\030\002 \001(\0132Q.google.cloud"
-          + ".memorystore.v1beta.CertificateAuthority.ManagedCertificateAuthorityH\000\022\021\n"
+          + "\021managed_server_ca\030\002 \001(\0132Q.google.cloud.memorystore.v1bet"
+          + "a.CertificateAuthority.ManagedCertificateAuthorityH\000\022\021\n"
           + "\004name\030\001 \001(\tB\003\340A\010\032\257\001\n"
           + "\033ManagedCertificateAuthority\022m\n"
-          + "\010ca_certs\030\001 \003(\0132[.google.cloud.memor"
-          + "ystore.v1beta.CertificateAuthority.ManagedCertificateAuthority.CertChain\032!\n"
+          + "\010ca_certs\030\001 \003(\0132[.google.cloud.memorystore.v1beta.Cert"
+          + "ificateAuthority.ManagedCertificateAuthority.CertChain\032!\n"
           + "\tCertChain\022\024\n"
           + "\014certificates\030\001 \003(\t:\266\001\352A\262\001\n"
-          + "/memorystore.googleapis.com/CertificateAuthor"
-          + "ity\022Qprojects/{project}/locations/{location}/instances/{instance}/certificateAut"
-          + "hority*\026certificateAuthorities2\024certificateAuthorityB\013\n"
-          + "\tserver_ca\"\200\002\n"
+          + "/memorystore.googleapis.com/CertificateAuthority\022Qprojects/{pro"
+          + "ject}/locations/{location}/instances/{in"
+          + "stance}/certificateAuthority*\026certificateAuthorities2\024certificateAuthorityB\013\n"
+          + "\tserver_ca\"\210\005\n"
+          + "\"SharedRegionalCertificateAuthority\022\204\001\n"
+          + "\021managed_server_ca\030\002 \001(\0132g.google.cloud.memorystore.v1beta.SharedRegio"
+          + "nalCertificateAuthority.RegionalManagedCertificateAuthorityH\000\022\021\n"
+          + "\004name\030\001 \001(\tB\003\340A\010\032\336\001\n"
+          + "#RegionalManagedCertificateAuthority\022\213\001\n"
+          + "\010ca_certs\030\001 \003(\0132y.google.cloud.memor"
+          + "ystore.v1beta.SharedRegionalCertificateA"
+          + "uthority.RegionalManagedCertificateAuthority.RegionalCertChain\032)\n"
+          + "\021RegionalCertChain\022\024\n"
+          + "\014certificates\030\001 \003(\t:\331\001\352A\325\001\n"
+          + "=memorystore.googleapis.com/SharedRegionalCerti"
+          + "ficateAuthority\022Jprojects/{project}/locations/{location}/sharedRegionalCertifica"
+          + "teAuthority*$sharedRegionalCertificateAu"
+          + "thorities2\"sharedRegionalCertificateAuthorityB\013\n"
+          + "\tserver_ca\"\203\001\n"
+          + ",GetSharedRegionalCertificateAuthorityRequest\022S\n"
+          + "\004name\030\001 \001(\tBE\340A\002\372A?\n"
+          + "=memorystore.googleapis.com/SharedRegionalCertificateAuthority\"\200\002\n"
           + "\021OperationMetadata\0224\n"
           + "\013create_time\030\001 \001(\0132\032.google.protobuf.TimestampB\003\340A\003\0221\n"
           + "\010end_time\030\002 \001(\0132\032.google.protobuf.TimestampB\003\340A\003\022\023\n"
@@ -388,53 +440,59 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\013api_version\030\007 \001(\tB\003\340A\003*W\n"
           + "\023PscConnectionStatus\022%\n"
           + "!PSC_CONNECTION_STATUS_UNSPECIFIED\020\000\022\n\n"
-          + "\006ACTIVE\020\001\022\r"
-          + "\n"
+          + "\006ACTIVE\020\001\022\r\n"
           + "\tNOT_FOUND\020\002*\211\001\n"
           + "\016ConnectionType\022\037\n"
           + "\033CONNECTION_TYPE_UNSPECIFIED\020\000\022\035\n"
           + "\031CONNECTION_TYPE_DISCOVERY\020\001\022\033\n"
           + "\027CONNECTION_TYPE_PRIMARY\020\002\022\032\n"
-          + "\026CONNECTION_TYPE_READER\020\0032\366\n\n"
+          + "\026CONNECTION_TYPE_READER\020\0032\215\r\n"
           + "\013Memorystore\022\302\001\n\r"
-          + "ListInstances\0225.google.cloud.memorystore.v1beta.ListInstancesReque"
-          + "st\0326.google.cloud.memorystore.v1beta.Lis"
-          + "tInstancesResponse\"B\332A\006parent\202\323\344\223\0023\0221/v1"
-          + "beta/{parent=projects/*/locations/*}/instances\022\257\001\n"
-          + "\013GetInstance\0223.google.cloud.memorystore.v1beta.GetInstanceRequest\032).go"
-          + "ogle.cloud.memorystore.v1beta.Instance\"@"
-          + "\332A\004name\202\323\344\223\0023\0221/v1beta/{name=projects/*/locations/*/instances/*}\022\353\001\n"
-          + "\016CreateInstance\0226.google.cloud.memorystore.v1beta.Cr"
-          + "eateInstanceRequest\032\035.google.longrunning.Operation\"\201\001\312A\035\n"
-          + "\010Instance\022\021OperationMet"
-          + "adata\332A\033parent,instance,instance_id\202\323\344\223\002"
-          + "=\"1/v1beta/{parent=projects/*/locations/*}/instances:\010instance\022\355\001\n"
-          + "\016UpdateInstance\0226.google.cloud.memorystore.v1beta.Upda"
-          + "teInstanceRequest\032\035.google.longrunning.Operation\"\203\001\312A\035\n"
-          + "\010Instance\022\021OperationMetad"
-          + "ata\332A\024instance,update_mask\202\323\344\223\002F2:/v1bet"
-          + "a/{instance.name=projects/*/locations/*/instances/*}:\010instance\022\326\001\n"
-          + "\016DeleteInstance\0226.google.cloud.memorystore.v1beta.Dele"
-          + "teInstanceRequest\032\035.google.longrunning.Operation\"m\312A*\n"
-          + "\025google.protobuf.Empty\022\021Op"
-          + "erationMetadata\332A\004name\202\323\344\223\0023*1/v1beta/{n"
-          + "ame=projects/*/locations/*/instances/*}\022\350\001\n"
-          + "\027GetCertificateAuthority\022?.google.cloud.memorystore.v1beta.GetCertificateAuth"
-          + "orityRequest\0325.google.cloud.memorystore."
-          + "v1beta.CertificateAuthority\"U\332A\004name\202\323\344\223"
-          + "\002H\022F/v1beta/{name=projects/*/locations/*"
-          + "/instances/*}/certificateAuthority\032N\312A\032m"
-          + "emorystore.googleapis.com\322A.https://www.googleapis.com/auth/cloud-platformB\240\004\n"
-          + "#com.google.cloud.memorystore.v1betaB\013V1ma"
-          + "inProtoP\001ZEcloud.google.com/go/memorystore/apiv1beta/memorystorepb;memorystorepb"
-          + "\252\002\037Google.Cloud.Memorystore.V1Beta\312\002\037Goo"
-          + "gle\\Cloud\\Memorystore\\V1beta\352\002\"Google::Cloud::Memorystore::V1beta\352An\n"
-          + "%compute.googleapis.com/ForwardingRule\022Eprojects/{p"
-          + "roject}/regions/{region}/forwardingRules/{forwarding_rule}\352AN\n"
-          + "\036compute.googleapi"
-          + "s.com/Network\022,projects/{project}/global/networks/{network}\352Aw\n"
-          + "(compute.googleapis.com/ServiceAttachment\022Kprojects/{proj"
-          + "ect}/regions/{region}/serviceAttachments/{service_attachment}b\006proto3"
+          + "ListInstances\0225.google.cloud.memorystore.v1beta.ListInstanc"
+          + "esRequest\0326.google.cloud.memorystore.v1b"
+          + "eta.ListInstancesResponse\"B\332A\006parent\202\323\344\223"
+          + "\0023\0221/v1beta/{parent=projects/*/locations/*}/instances\022\257\001\n"
+          + "\013GetInstance\0223.google.cloud.memorystore.v1beta.GetInstanceReque"
+          + "st\032).google.cloud.memorystore.v1beta.Ins"
+          + "tance\"@\332A\004name\202\323\344\223\0023\0221/v1beta/{name=projects/*/locations/*/instances/*}\022\353\001\n"
+          + "\016CreateInstance\0226.google.cloud.memorystore.v1"
+          + "beta.CreateInstanceRequest\032\035.google.longrunning.Operation\"\201\001\312A\035\n"
+          + "\010Instance\022\021OperationMetadata\332A\033parent,instance,instance_"
+          + "id\202\323\344\223\002=\"1/v1beta/{parent=projects/*/locations/*}/instances:\010instance\022\355\001\n"
+          + "\016UpdateInstance\0226.google.cloud.memorystore.v1be"
+          + "ta.UpdateInstanceRequest\032\035.google.longrunning.Operation\"\203\001\312A\035\n"
+          + "\010Instance\022\021Operati"
+          + "onMetadata\332A\024instance,update_mask\202\323\344\223\002F2"
+          + ":/v1beta/{instance.name=projects/*/locations/*/instances/*}:\010instance\022\326\001\n"
+          + "\016DeleteInstance\0226.google.cloud.memorystore.v1be"
+          + "ta.DeleteInstanceRequest\032\035.google.longrunning.Operation\"m\312A*\n"
+          + "\025google.protobuf.Em"
+          + "pty\022\021OperationMetadata\332A\004name\202\323\344\223\0023*1/v1"
+          + "beta/{name=projects/*/locations/*/instances/*}\022\350\001\n"
+          + "\027GetCertificateAuthority\022?.google.cloud.memorystore.v1beta.GetCertific"
+          + "ateAuthorityRequest\0325.google.cloud.memor"
+          + "ystore.v1beta.CertificateAuthority\"U\332A\004n"
+          + "ame\202\323\344\223\002H\022F/v1beta/{name=projects/*/loca"
+          + "tions/*/instances/*}/certificateAuthority\022\224\002\n"
+          + "%GetSharedRegionalCertificateAuthority\022M.google.cloud.memorystore.v1beta.Ge"
+          + "tSharedRegionalCertificateAuthorityRequest\032C.google.cloud.memorystore.v1beta.Sha"
+          + "redRegionalCertificateAuthority\"W\332A\004name"
+          + "\202\323\344\223\002J\022H/v1beta/{name=projects/*/locatio"
+          + "ns/*/sharedRegionalCertificateAuthority}"
+          + "\032N\312A\032memorystore.googleapis.com\322A.https:"
+          + "//www.googleapis.com/auth/cloud-platformB\377\004\n"
+          + "#com.google.cloud.memorystore.v1betaB\013V1mainProtoP\001ZEcloud.google.com/go/mem"
+          + "orystore/apiv1beta/memorystorepb;memorys"
+          + "torepb\252\002\037Google.Cloud.Memorystore.V1Beta"
+          + "\312\002\037Google\\Cloud\\Memorystore\\V1beta\352\002\"Google::Cloud::Memorystore::V1beta\352An\n"
+          + "%compute.googleapis.com/ForwardingRule\022Eproje"
+          + "cts/{project}/regions/{region}/forwardingRules/{forwarding_rule}\352AN\n"
+          + "\036compute.goo"
+          + "gleapis.com/Network\022,projects/{project}/global/networks/{network}\352Aw\n"
+          + "(compute.googleapis.com/ServiceAttachment\022Kprojects"
+          + "/{project}/regions/{region}/serviceAttachments/{service_attachment}\352A\\\n"
+          + "\037privateca.googleapis.com/CaPool\0229projects/{proje"
+          + "ct}/locations/{location}/caPools/{ca_pool}b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -478,6 +536,9 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "PscAutoConnections",
               "Endpoints",
               "Mode",
+              "ServerCaMode",
+              "ServerCaPool",
+              "RotateServerCertificate",
             });
     internal_static_google_cloud_memorystore_v1beta_Instance_StateInfo_descriptor =
         internal_static_google_cloud_memorystore_v1beta_Instance_descriptor.getNestedType(0);
@@ -692,8 +753,42 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             new java.lang.String[] {
               "Certificates",
             });
-    internal_static_google_cloud_memorystore_v1beta_OperationMetadata_descriptor =
+    internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_descriptor =
         getDescriptor().getMessageType(15);
+    internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_descriptor,
+            new java.lang.String[] {
+              "ManagedServerCa", "Name", "ServerCa",
+            });
+    internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_descriptor =
+        internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_descriptor
+            .getNestedType(0);
+    internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_descriptor,
+            new java.lang.String[] {
+              "CaCerts",
+            });
+    internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_RegionalCertChain_descriptor =
+        internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_descriptor
+            .getNestedType(0);
+    internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_RegionalCertChain_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_memorystore_v1beta_SharedRegionalCertificateAuthority_RegionalManagedCertificateAuthority_RegionalCertChain_descriptor,
+            new java.lang.String[] {
+              "Certificates",
+            });
+    internal_static_google_cloud_memorystore_v1beta_GetSharedRegionalCertificateAuthorityRequest_descriptor =
+        getDescriptor().getMessageType(16);
+    internal_static_google_cloud_memorystore_v1beta_GetSharedRegionalCertificateAuthorityRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_memorystore_v1beta_GetSharedRegionalCertificateAuthorityRequest_descriptor,
+            new java.lang.String[] {
+              "Name",
+            });
+    internal_static_google_cloud_memorystore_v1beta_OperationMetadata_descriptor =
+        getDescriptor().getMessageType(17);
     internal_static_google_cloud_memorystore_v1beta_OperationMetadata_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_memorystore_v1beta_OperationMetadata_descriptor,
diff --git a/java-valkey/proto-google-cloud-valkey-v1beta/src/main/proto/google/cloud/memorystore/v1beta/memorystore.proto b/java-valkey/proto-google-cloud-valkey-v1beta/src/main/proto/google/cloud/memorystore/v1beta/memorystore.proto
index fdbc9cd0c883..92d7d37dde99 100644
--- a/java-valkey/proto-google-cloud-valkey-v1beta/src/main/proto/google/cloud/memorystore/v1beta/memorystore.proto
+++ b/java-valkey/proto-google-cloud-valkey-v1beta/src/main/proto/google/cloud/memorystore/v1beta/memorystore.proto
@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -45,6 +45,10 @@ option (google.api.resource_definition) = {
   type: "compute.googleapis.com/ServiceAttachment"
   pattern: "projects/{project}/regions/{region}/serviceAttachments/{service_attachment}"
 };
+option (google.api.resource_definition) = {
+  type: "privateca.googleapis.com/CaPool"
+  pattern: "projects/{project}/locations/{location}/caPools/{ca_pool}"
+};
 
 // Service describing handlers for resources
 service Memorystore {
@@ -117,6 +121,17 @@ service Memorystore {
     };
     option (google.api.method_signature) = "name";
   }
+
+  // Gets the details of shared regional certificate authority information for
+  // Memorystore instance.
+  rpc GetSharedRegionalCertificateAuthority(
+      GetSharedRegionalCertificateAuthorityRequest)
+      returns (SharedRegionalCertificateAuthority) {
+    option (google.api.http) = {
+      get: "/v1beta/{name=projects/*/locations/*/sharedRegionalCertificateAuthority}"
+    };
+    option (google.api.method_signature) = "name";
+  }
 }
 
 // Status of the PSC connection.
@@ -276,6 +291,32 @@ message Instance {
     CLUSTER_DISABLED = 4;
   }
 
+  // The Server CA mode for the instance.
+  enum ServerCaMode {
+    option allow_alias = true;
+
+    // Server CA mode not specified.
+    SERVER_CA_MODE_UNSPECIFIED = 0;
+
+    // Each instance has its own Google-managed CA.
+    GOOGLE_MANAGED_PER_INSTANCE_CA = 1;
+
+    // The instance uses a Google-managed shared CA for the instance's region.
+    GOOGLE_MANAGED_SHARED_CA = 2;
+
+    // The instance uses a customer-managed CA from CAS.
+    CUSTOMER_MANAGED_CAS_CA = 3;
+
+    // Deprecated: Use GOOGLE_MANAGED_PER_INSTANCE_CA instead.
+    SERVER_CA_MODE_GOOGLE_MANAGED_PER_INSTANCE_CA = 1 [deprecated = true];
+
+    // Deprecated: Use GOOGLE_MANAGED_SHARED_CA instead.
+    SERVER_CA_MODE_GOOGLE_MANAGED_SHARED_CA = 2 [deprecated = true];
+
+    // Deprecated: Use CUSTOMER_MANAGED_CAS_CA instead.
+    SERVER_CA_MODE_CUSTOMER_MANAGED_CAS_CA = 3 [deprecated = true];
+  }
+
   // Identifier. Unique name of the instance.
   // Format: projects/{project}/locations/{location}/instances/{instance}
   string name = 1 [(google.api.field_behavior) = IDENTIFIER];
@@ -374,6 +415,29 @@ message Instance {
 
   // Optional. The mode config for the instance.
   Mode mode = 26 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Immutable. The Server CA mode for the instance.
+  optional ServerCaMode server_ca_mode = 56 [
+    (google.api.field_behavior) = OPTIONAL,
+    (google.api.field_behavior) = IMMUTABLE
+  ];
+
+  // Optional. Immutable. The customer-managed CA pool for the instance. Only
+  // applicable if the Server CA mode is CUSTOMER_MANAGED_CAS_CA. Format:
+  // "projects/{project}/locations/{region}/caPools/{ca_pool}".
+  optional string server_ca_pool = 57 [
+    (google.api.field_behavior) = OPTIONAL,
+    (google.api.field_behavior) = IMMUTABLE,
+    (google.api.resource_reference) = {
+      type: "privateca.googleapis.com/CaPool"
+    }
+  ];
+
+  // Optional. Input only. Rotate the server certificates.
+  optional bool rotate_server_certificate = 58 [
+    (google.api.field_behavior) = OPTIONAL,
+    (google.api.field_behavior) = INPUT_ONLY
+  ];
 }
 
 // Details of consumer resources in a PSC connection.
@@ -829,6 +893,54 @@ message CertificateAuthority {
   string name = 1 [(google.api.field_behavior) = IDENTIFIER];
 }
 
+// Shared regional certificate authority for an instance.
+message SharedRegionalCertificateAuthority {
+  option (google.api.resource) = {
+    type: "memorystore.googleapis.com/SharedRegionalCertificateAuthority"
+    pattern: "projects/{project}/locations/{location}/sharedRegionalCertificateAuthority"
+    plural: "sharedRegionalCertificateAuthorities"
+    singular: "sharedRegionalCertificateAuthority"
+  };
+
+  // CA certificate chains for memorystore managed server authentication.
+  message RegionalManagedCertificateAuthority {
+    // The certificates that form the CA chain, from leaf to root order.
+    message RegionalCertChain {
+      // The certificates that form the CA chain, from leaf to root order.
+      repeated string certificates = 1;
+    }
+
+    // The PEM encoded CA certificate chains for memorystore managed
+    // server authentication
+    repeated RegionalCertChain ca_certs = 1;
+  }
+
+  // Server ca information.
+  oneof server_ca {
+    // CA certificate chains for memorystore managed server authentication.
+    RegionalManagedCertificateAuthority managed_server_ca = 2;
+  }
+
+  // Identifier. Unique name of the resource in this scope including project and
+  // location using the form:
+  //     `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+  string name = 1 [(google.api.field_behavior) = IDENTIFIER];
+}
+
+// Request for
+// [GetSharedRegionalCertificateAuthority][google.cloud.memorystore.v1beta.Memorystore.GetSharedRegionalCertificateAuthority].
+message GetSharedRegionalCertificateAuthorityRequest {
+  // Required. Regional certificate authority resource name using the form:
+  //     `projects/{project}/locations/{location}/sharedRegionalCertificateAuthority`
+  // where `location_id` refers to a Google Cloud region.
+  string name = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "memorystore.googleapis.com/SharedRegionalCertificateAuthority"
+    }
+  ];
+}
+
 // Represents the metadata of a long-running operation.
 message OperationMetadata {
   // Output only. The time the operation was created.
diff --git a/java-valkey/samples/snippets/generated/com/google/cloud/memorystore/v1beta/memorystore/getsharedregionalcertificateauthority/AsyncGetSharedRegionalCertificateAuthority.java b/java-valkey/samples/snippets/generated/com/google/cloud/memorystore/v1beta/memorystore/getsharedregionalcertificateauthority/AsyncGetSharedRegionalCertificateAuthority.java
new file mode 100644
index 000000000000..95bfd1204cb2
--- /dev/null
+++ b/java-valkey/samples/snippets/generated/com/google/cloud/memorystore/v1beta/memorystore/getsharedregionalcertificateauthority/AsyncGetSharedRegionalCertificateAuthority.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloud.memorystore.v1beta.samples;
+
+// [START memorystore_v1beta_generated_Memorystore_GetSharedRegionalCertificateAuthority_async]
+import com.google.api.core.ApiFuture;
+import com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest;
+import com.google.cloud.memorystore.v1beta.MemorystoreClient;
+import com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority;
+import com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthorityName;
+
+public class AsyncGetSharedRegionalCertificateAuthority {
+
+  public static void main(String[] args) throws Exception {
+    asyncGetSharedRegionalCertificateAuthority();
+  }
+
+  public static void asyncGetSharedRegionalCertificateAuthority() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (MemorystoreClient memorystoreClient = MemorystoreClient.create()) {
+      GetSharedRegionalCertificateAuthorityRequest request =
+          GetSharedRegionalCertificateAuthorityRequest.newBuilder()
+              .setName(
+                  SharedRegionalCertificateAuthorityName.of("[PROJECT]", "[LOCATION]").toString())
+              .build();
+      ApiFuture<SharedRegionalCertificateAuthority> future =
+          memorystoreClient.getSharedRegionalCertificateAuthorityCallable().futureCall(request);
+      // Do something.
+      SharedRegionalCertificateAuthority response = future.get();
+    }
+  }
+}
+// [END memorystore_v1beta_generated_Memorystore_GetSharedRegionalCertificateAuthority_async]
diff --git a/java-valkey/samples/snippets/generated/com/google/cloud/memorystore/v1beta/memorystore/getsharedregionalcertificateauthority/SyncGetSharedRegionalCertificateAuthority.java b/java-valkey/samples/snippets/generated/com/google/cloud/memorystore/v1beta/memorystore/getsharedregionalcertificateauthority/SyncGetSharedRegionalCertificateAuthority.java
new file mode 100644
index 000000000000..ba05c562a070
--- /dev/null
+++ b/java-valkey/samples/snippets/generated/com/google/cloud/memorystore/v1beta/memorystore/getsharedregionalcertificateauthority/SyncGetSharedRegionalCertificateAuthority.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloud.memorystore.v1beta.samples;
+
+// [START memorystore_v1beta_generated_Memorystore_GetSharedRegionalCertificateAuthority_sync]
+import com.google.cloud.memorystore.v1beta.GetSharedRegionalCertificateAuthorityRequest;
+import com.google.cloud.memorystore.v1beta.MemorystoreClient;
+import com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority;
+import com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthorityName;
+
+public class SyncGetSharedRegionalCertificateAuthority {
+
+  public static void main(String[] args) throws Exception {
+    syncGetSharedRegionalCertificateAuthority();
+  }
+
+  public static void syncGetSharedRegionalCertificateAuthority() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (MemorystoreClient memorystoreClient = MemorystoreClient.create()) {
+      GetSharedRegionalCertificateAuthorityRequest request =
+          GetSharedRegionalCertificateAuthorityRequest.newBuilder()
+              .setName(
+                  SharedRegionalCertificateAuthorityName.of("[PROJECT]", "[LOCATION]").toString())
+              .build();
+      SharedRegionalCertificateAuthority response =
+          memorystoreClient.getSharedRegionalCertificateAuthority(request);
+    }
+  }
+}
+// [END memorystore_v1beta_generated_Memorystore_GetSharedRegionalCertificateAuthority_sync]
diff --git a/java-valkey/samples/snippets/generated/com/google/cloud/memorystore/v1beta/memorystore/getsharedregionalcertificateauthority/SyncGetSharedRegionalCertificateAuthoritySharedregionalcertificateauthorityname.java b/java-valkey/samples/snippets/generated/com/google/cloud/memorystore/v1beta/memorystore/getsharedregionalcertificateauthority/SyncGetSharedRegionalCertificateAuthoritySharedregionalcertificateauthorityname.java
new file mode 100644
index 000000000000..57bed2bcff98
--- /dev/null
+++ b/java-valkey/samples/snippets/generated/com/google/cloud/memorystore/v1beta/memorystore/getsharedregionalcertificateauthority/SyncGetSharedRegionalCertificateAuthoritySharedregionalcertificateauthorityname.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloud.memorystore.v1beta.samples;
+
+// [START memorystore_v1beta_generated_Memorystore_GetSharedRegionalCertificateAuthority_Sharedregionalcertificateauthorityname_sync]
+import com.google.cloud.memorystore.v1beta.MemorystoreClient;
+import com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority;
+import com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthorityName;
+
+public class SyncGetSharedRegionalCertificateAuthoritySharedregionalcertificateauthorityname {
+
+  public static void main(String[] args) throws Exception {
+    syncGetSharedRegionalCertificateAuthoritySharedregionalcertificateauthorityname();
+  }
+
+  public static void
+      syncGetSharedRegionalCertificateAuthoritySharedregionalcertificateauthorityname()
+          throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (MemorystoreClient memorystoreClient = MemorystoreClient.create()) {
+      SharedRegionalCertificateAuthorityName name =
+          SharedRegionalCertificateAuthorityName.of("[PROJECT]", "[LOCATION]");
+      SharedRegionalCertificateAuthority response =
+          memorystoreClient.getSharedRegionalCertificateAuthority(name);
+    }
+  }
+}
+// [END memorystore_v1beta_generated_Memorystore_GetSharedRegionalCertificateAuthority_Sharedregionalcertificateauthorityname_sync]
diff --git a/java-valkey/samples/snippets/generated/com/google/cloud/memorystore/v1beta/memorystore/getsharedregionalcertificateauthority/SyncGetSharedRegionalCertificateAuthorityString.java b/java-valkey/samples/snippets/generated/com/google/cloud/memorystore/v1beta/memorystore/getsharedregionalcertificateauthority/SyncGetSharedRegionalCertificateAuthorityString.java
new file mode 100644
index 000000000000..04f6c61e69ec
--- /dev/null
+++ b/java-valkey/samples/snippets/generated/com/google/cloud/memorystore/v1beta/memorystore/getsharedregionalcertificateauthority/SyncGetSharedRegionalCertificateAuthorityString.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloud.memorystore.v1beta.samples;
+
+// [START memorystore_v1beta_generated_Memorystore_GetSharedRegionalCertificateAuthority_String_sync]
+import com.google.cloud.memorystore.v1beta.MemorystoreClient;
+import com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthority;
+import com.google.cloud.memorystore.v1beta.SharedRegionalCertificateAuthorityName;
+
+public class SyncGetSharedRegionalCertificateAuthorityString {
+
+  public static void main(String[] args) throws Exception {
+    syncGetSharedRegionalCertificateAuthorityString();
+  }
+
+  public static void syncGetSharedRegionalCertificateAuthorityString() throws Exception {
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+    try (MemorystoreClient memorystoreClient = MemorystoreClient.create()) {
+      String name = SharedRegionalCertificateAuthorityName.of("[PROJECT]", "[LOCATION]").toString();
+      SharedRegionalCertificateAuthority response =
+          memorystoreClient.getSharedRegionalCertificateAuthority(name);
+    }
+  }
+}
+// [END memorystore_v1beta_generated_Memorystore_GetSharedRegionalCertificateAuthority_String_sync]