diff --git a/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/CloudBuildClient.java b/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/CloudBuildClient.java
index fccd0f0a..eb6a3d40 100644
--- a/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/CloudBuildClient.java
+++ b/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/CloudBuildClient.java
@@ -29,6 +29,8 @@
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.cloud.devtools.cloudbuild.v1.stub.CloudBuildStub;
 import com.google.cloud.devtools.cloudbuild.v1.stub.CloudBuildStubSettings;
+import com.google.cloudbuild.v1.ApprovalResult;
+import com.google.cloudbuild.v1.ApproveBuildRequest;
 import com.google.cloudbuild.v1.Build;
 import com.google.cloudbuild.v1.BuildOperationMetadata;
 import com.google.cloudbuild.v1.BuildTrigger;
@@ -818,6 +820,121 @@ public final UnaryCallable<RetryBuildRequest, Operation> retryBuildCallable() {
     return stub.retryBuildCallable();
   }
 
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Approves or rejects a pending build.
+   *
+   * <p>If approved, the returned LRO will be analogous to the LRO returned from a CreateBuild call.
+   *
+   * <p>If rejected, the returned LRO will be immediately done.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   String name = "name3373707";
+   *   ApprovalResult approvalResult = ApprovalResult.newBuilder().build();
+   *   Build response = cloudBuildClient.approveBuildAsync(name, approvalResult).get();
+   * }
+   * }</pre>
+   *
+   * @param name Required. Name of the target build. For example:
+   *     "projects/{$project_id}/builds/{$build_id}"
+   * @param approvalResult Approval decision and metadata.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final OperationFuture<Build, BuildOperationMetadata> approveBuildAsync(
+      String name, ApprovalResult approvalResult) {
+    ApproveBuildRequest request =
+        ApproveBuildRequest.newBuilder().setName(name).setApprovalResult(approvalResult).build();
+    return approveBuildAsync(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Approves or rejects a pending build.
+   *
+   * <p>If approved, the returned LRO will be analogous to the LRO returned from a CreateBuild call.
+   *
+   * <p>If rejected, the returned LRO will be immediately done.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   ApproveBuildRequest request =
+   *       ApproveBuildRequest.newBuilder()
+   *           .setName("name3373707")
+   *           .setApprovalResult(ApprovalResult.newBuilder().build())
+   *           .build();
+   *   Build response = cloudBuildClient.approveBuildAsync(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<Build, BuildOperationMetadata> approveBuildAsync(
+      ApproveBuildRequest request) {
+    return approveBuildOperationCallable().futureCall(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Approves or rejects a pending build.
+   *
+   * <p>If approved, the returned LRO will be analogous to the LRO returned from a CreateBuild call.
+   *
+   * <p>If rejected, the returned LRO will be immediately done.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   ApproveBuildRequest request =
+   *       ApproveBuildRequest.newBuilder()
+   *           .setName("name3373707")
+   *           .setApprovalResult(ApprovalResult.newBuilder().build())
+   *           .build();
+   *   OperationFuture<Build, BuildOperationMetadata> future =
+   *       cloudBuildClient.approveBuildOperationCallable().futureCall(request);
+   *   // Do something.
+   *   Build response = future.get();
+   * }
+   * }</pre>
+   */
+  public final OperationCallable<ApproveBuildRequest, Build, BuildOperationMetadata>
+      approveBuildOperationCallable() {
+    return stub.approveBuildOperationCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Approves or rejects a pending build.
+   *
+   * <p>If approved, the returned LRO will be analogous to the LRO returned from a CreateBuild call.
+   *
+   * <p>If rejected, the returned LRO will be immediately done.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   ApproveBuildRequest request =
+   *       ApproveBuildRequest.newBuilder()
+   *           .setName("name3373707")
+   *           .setApprovalResult(ApprovalResult.newBuilder().build())
+   *           .build();
+   *   ApiFuture<Operation> future = cloudBuildClient.approveBuildCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<ApproveBuildRequest, Operation> approveBuildCallable() {
+    return stub.approveBuildCallable();
+  }
+
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
    * Creates a new `BuildTrigger`.
diff --git a/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/CloudBuildSettings.java b/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/CloudBuildSettings.java
index 2c5b00c3..e31935f5 100644
--- a/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/CloudBuildSettings.java
+++ b/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/CloudBuildSettings.java
@@ -33,6 +33,7 @@
 import com.google.api.gax.rpc.TransportChannelProvider;
 import com.google.api.gax.rpc.UnaryCallSettings;
 import com.google.cloud.devtools.cloudbuild.v1.stub.CloudBuildStubSettings;
+import com.google.cloudbuild.v1.ApproveBuildRequest;
 import com.google.cloudbuild.v1.Build;
 import com.google.cloudbuild.v1.BuildOperationMetadata;
 import com.google.cloudbuild.v1.BuildTrigger;
@@ -139,6 +140,17 @@ public UnaryCallSettings<RetryBuildRequest, Operation> retryBuildSettings() {
     return ((CloudBuildStubSettings) getStubSettings()).retryBuildOperationSettings();
   }
 
+  /** Returns the object with the settings used for calls to approveBuild. */
+  public UnaryCallSettings<ApproveBuildRequest, Operation> approveBuildSettings() {
+    return ((CloudBuildStubSettings) getStubSettings()).approveBuildSettings();
+  }
+
+  /** Returns the object with the settings used for calls to approveBuild. */
+  public OperationCallSettings<ApproveBuildRequest, Build, BuildOperationMetadata>
+      approveBuildOperationSettings() {
+    return ((CloudBuildStubSettings) getStubSettings()).approveBuildOperationSettings();
+  }
+
   /** Returns the object with the settings used for calls to createBuildTrigger. */
   public UnaryCallSettings<CreateBuildTriggerRequest, BuildTrigger> createBuildTriggerSettings() {
     return ((CloudBuildStubSettings) getStubSettings()).createBuildTriggerSettings();
@@ -364,6 +376,17 @@ public UnaryCallSettings.Builder<RetryBuildRequest, Operation> retryBuildSetting
       return getStubSettingsBuilder().retryBuildOperationSettings();
     }
 
+    /** Returns the builder for the settings used for calls to approveBuild. */
+    public UnaryCallSettings.Builder<ApproveBuildRequest, Operation> approveBuildSettings() {
+      return getStubSettingsBuilder().approveBuildSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to approveBuild. */
+    public OperationCallSettings.Builder<ApproveBuildRequest, Build, BuildOperationMetadata>
+        approveBuildOperationSettings() {
+      return getStubSettingsBuilder().approveBuildOperationSettings();
+    }
+
     /** Returns the builder for the settings used for calls to createBuildTrigger. */
     public UnaryCallSettings.Builder<CreateBuildTriggerRequest, BuildTrigger>
         createBuildTriggerSettings() {
diff --git a/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/gapic_metadata.json b/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/gapic_metadata.json
index dbc092de..1b680cf9 100644
--- a/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/gapic_metadata.json
+++ b/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/gapic_metadata.json
@@ -10,6 +10,9 @@
         "grpc": {
           "libraryClient": "CloudBuildClient",
           "rpcs": {
+            "ApproveBuild": {
+              "methods": ["approveBuildAsync", "approveBuildAsync", "approveBuildOperationCallable", "approveBuildCallable"]
+            },
             "CancelBuild": {
               "methods": ["cancelBuild", "cancelBuild", "cancelBuildCallable"]
             },
diff --git a/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/stub/CloudBuildStub.java b/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/stub/CloudBuildStub.java
index 6bb2b093..5cc6c142 100644
--- a/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/stub/CloudBuildStub.java
+++ b/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/stub/CloudBuildStub.java
@@ -23,6 +23,7 @@
 import com.google.api.gax.core.BackgroundResource;
 import com.google.api.gax.rpc.OperationCallable;
 import com.google.api.gax.rpc.UnaryCallable;
+import com.google.cloudbuild.v1.ApproveBuildRequest;
 import com.google.cloudbuild.v1.Build;
 import com.google.cloudbuild.v1.BuildOperationMetadata;
 import com.google.cloudbuild.v1.BuildTrigger;
@@ -103,6 +104,15 @@ public UnaryCallable<RetryBuildRequest, Operation> retryBuildCallable() {
     throw new UnsupportedOperationException("Not implemented: retryBuildCallable()");
   }
 
+  public OperationCallable<ApproveBuildRequest, Build, BuildOperationMetadata>
+      approveBuildOperationCallable() {
+    throw new UnsupportedOperationException("Not implemented: approveBuildOperationCallable()");
+  }
+
+  public UnaryCallable<ApproveBuildRequest, Operation> approveBuildCallable() {
+    throw new UnsupportedOperationException("Not implemented: approveBuildCallable()");
+  }
+
   public UnaryCallable<CreateBuildTriggerRequest, BuildTrigger> createBuildTriggerCallable() {
     throw new UnsupportedOperationException("Not implemented: createBuildTriggerCallable()");
   }
diff --git a/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/stub/CloudBuildStubSettings.java b/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/stub/CloudBuildStubSettings.java
index 55f5e1ae..a6d06b4b 100644
--- a/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/stub/CloudBuildStubSettings.java
+++ b/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/stub/CloudBuildStubSettings.java
@@ -46,6 +46,7 @@
 import com.google.api.gax.rpc.TransportChannelProvider;
 import com.google.api.gax.rpc.UnaryCallSettings;
 import com.google.api.gax.rpc.UnaryCallable;
+import com.google.cloudbuild.v1.ApproveBuildRequest;
 import com.google.cloudbuild.v1.Build;
 import com.google.cloudbuild.v1.BuildOperationMetadata;
 import com.google.cloudbuild.v1.BuildTrigger;
@@ -132,6 +133,9 @@ public class CloudBuildStubSettings extends StubSettings<CloudBuildStubSettings>
   private final UnaryCallSettings<RetryBuildRequest, Operation> retryBuildSettings;
   private final OperationCallSettings<RetryBuildRequest, Build, BuildOperationMetadata>
       retryBuildOperationSettings;
+  private final UnaryCallSettings<ApproveBuildRequest, Operation> approveBuildSettings;
+  private final OperationCallSettings<ApproveBuildRequest, Build, BuildOperationMetadata>
+      approveBuildOperationSettings;
   private final UnaryCallSettings<CreateBuildTriggerRequest, BuildTrigger>
       createBuildTriggerSettings;
   private final UnaryCallSettings<GetBuildTriggerRequest, BuildTrigger> getBuildTriggerSettings;
@@ -371,6 +375,17 @@ public UnaryCallSettings<RetryBuildRequest, Operation> retryBuildSettings() {
     return retryBuildOperationSettings;
   }
 
+  /** Returns the object with the settings used for calls to approveBuild. */
+  public UnaryCallSettings<ApproveBuildRequest, Operation> approveBuildSettings() {
+    return approveBuildSettings;
+  }
+
+  /** Returns the object with the settings used for calls to approveBuild. */
+  public OperationCallSettings<ApproveBuildRequest, Build, BuildOperationMetadata>
+      approveBuildOperationSettings() {
+    return approveBuildOperationSettings;
+  }
+
   /** Returns the object with the settings used for calls to createBuildTrigger. */
   public UnaryCallSettings<CreateBuildTriggerRequest, BuildTrigger> createBuildTriggerSettings() {
     return createBuildTriggerSettings;
@@ -543,6 +558,8 @@ protected CloudBuildStubSettings(Builder settingsBuilder) throws IOException {
     cancelBuildSettings = settingsBuilder.cancelBuildSettings().build();
     retryBuildSettings = settingsBuilder.retryBuildSettings().build();
     retryBuildOperationSettings = settingsBuilder.retryBuildOperationSettings().build();
+    approveBuildSettings = settingsBuilder.approveBuildSettings().build();
+    approveBuildOperationSettings = settingsBuilder.approveBuildOperationSettings().build();
     createBuildTriggerSettings = settingsBuilder.createBuildTriggerSettings().build();
     getBuildTriggerSettings = settingsBuilder.getBuildTriggerSettings().build();
     listBuildTriggersSettings = settingsBuilder.listBuildTriggersSettings().build();
@@ -575,6 +592,9 @@ public static class Builder extends StubSettings.Builder<CloudBuildStubSettings,
     private final UnaryCallSettings.Builder<RetryBuildRequest, Operation> retryBuildSettings;
     private final OperationCallSettings.Builder<RetryBuildRequest, Build, BuildOperationMetadata>
         retryBuildOperationSettings;
+    private final UnaryCallSettings.Builder<ApproveBuildRequest, Operation> approveBuildSettings;
+    private final OperationCallSettings.Builder<ApproveBuildRequest, Build, BuildOperationMetadata>
+        approveBuildOperationSettings;
     private final UnaryCallSettings.Builder<CreateBuildTriggerRequest, BuildTrigger>
         createBuildTriggerSettings;
     private final UnaryCallSettings.Builder<GetBuildTriggerRequest, BuildTrigger>
@@ -673,6 +693,8 @@ protected Builder(ClientContext clientContext) {
       cancelBuildSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       retryBuildSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       retryBuildOperationSettings = OperationCallSettings.newBuilder();
+      approveBuildSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      approveBuildOperationSettings = OperationCallSettings.newBuilder();
       createBuildTriggerSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       getBuildTriggerSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       listBuildTriggersSettings = PagedCallSettings.newBuilder(LIST_BUILD_TRIGGERS_PAGE_STR_FACT);
@@ -697,6 +719,7 @@ protected Builder(ClientContext clientContext) {
               listBuildsSettings,
               cancelBuildSettings,
               retryBuildSettings,
+              approveBuildSettings,
               createBuildTriggerSettings,
               getBuildTriggerSettings,
               listBuildTriggersSettings,
@@ -722,6 +745,8 @@ protected Builder(CloudBuildStubSettings settings) {
       cancelBuildSettings = settings.cancelBuildSettings.toBuilder();
       retryBuildSettings = settings.retryBuildSettings.toBuilder();
       retryBuildOperationSettings = settings.retryBuildOperationSettings.toBuilder();
+      approveBuildSettings = settings.approveBuildSettings.toBuilder();
+      approveBuildOperationSettings = settings.approveBuildOperationSettings.toBuilder();
       createBuildTriggerSettings = settings.createBuildTriggerSettings.toBuilder();
       getBuildTriggerSettings = settings.getBuildTriggerSettings.toBuilder();
       listBuildTriggersSettings = settings.listBuildTriggersSettings.toBuilder();
@@ -746,6 +771,7 @@ protected Builder(CloudBuildStubSettings settings) {
               listBuildsSettings,
               cancelBuildSettings,
               retryBuildSettings,
+              approveBuildSettings,
               createBuildTriggerSettings,
               getBuildTriggerSettings,
               listBuildTriggersSettings,
@@ -799,6 +825,11 @@ private static Builder initDefaults(Builder builder) {
           .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_1_codes"))
           .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("no_retry_1_params"));
 
+      builder
+          .approveBuildSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("no_retry_params"));
+
       builder
           .createBuildTriggerSettings()
           .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_1_codes"))
@@ -905,6 +936,30 @@ private static Builder initDefaults(Builder builder) {
                       .setTotalTimeout(Duration.ofMillis(300000L))
                       .build()));
 
+      builder
+          .approveBuildOperationSettings()
+          .setInitialCallSettings(
+              UnaryCallSettings
+                  .<ApproveBuildRequest, OperationSnapshot>newUnaryCallSettingsBuilder()
+                  .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_codes"))
+                  .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("no_retry_params"))
+                  .build())
+          .setResponseTransformer(
+              ProtoOperationTransformers.ResponseTransformer.create(Build.class))
+          .setMetadataTransformer(
+              ProtoOperationTransformers.MetadataTransformer.create(BuildOperationMetadata.class))
+          .setPollingAlgorithm(
+              OperationTimedPollAlgorithm.create(
+                  RetrySettings.newBuilder()
+                      .setInitialRetryDelay(Duration.ofMillis(5000L))
+                      .setRetryDelayMultiplier(1.5)
+                      .setMaxRetryDelay(Duration.ofMillis(45000L))
+                      .setInitialRpcTimeout(Duration.ZERO)
+                      .setRpcTimeoutMultiplier(1.0)
+                      .setMaxRpcTimeout(Duration.ZERO)
+                      .setTotalTimeout(Duration.ofMillis(300000L))
+                      .build()));
+
       builder
           .runBuildTriggerOperationSettings()
           .setInitialCallSettings(
@@ -1064,6 +1119,19 @@ public UnaryCallSettings.Builder<RetryBuildRequest, Operation> retryBuildSetting
       return retryBuildOperationSettings;
     }
 
+    /** Returns the builder for the settings used for calls to approveBuild. */
+    public UnaryCallSettings.Builder<ApproveBuildRequest, Operation> approveBuildSettings() {
+      return approveBuildSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to approveBuild. */
+    @BetaApi(
+        "The surface for use by generated code is not stable yet and may change in the future.")
+    public OperationCallSettings.Builder<ApproveBuildRequest, Build, BuildOperationMetadata>
+        approveBuildOperationSettings() {
+      return approveBuildOperationSettings;
+    }
+
     /** Returns the builder for the settings used for calls to createBuildTrigger. */
     public UnaryCallSettings.Builder<CreateBuildTriggerRequest, BuildTrigger>
         createBuildTriggerSettings() {
diff --git a/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/stub/GrpcCloudBuildStub.java b/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/stub/GrpcCloudBuildStub.java
index cec2cafd..0fc5b1b7 100644
--- a/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/stub/GrpcCloudBuildStub.java
+++ b/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/stub/GrpcCloudBuildStub.java
@@ -27,6 +27,7 @@
 import com.google.api.gax.rpc.ClientContext;
 import com.google.api.gax.rpc.OperationCallable;
 import com.google.api.gax.rpc.UnaryCallable;
+import com.google.cloudbuild.v1.ApproveBuildRequest;
 import com.google.cloudbuild.v1.Build;
 import com.google.cloudbuild.v1.BuildOperationMetadata;
 import com.google.cloudbuild.v1.BuildTrigger;
@@ -114,6 +115,15 @@ public class GrpcCloudBuildStub extends CloudBuildStub {
           .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
           .build();
 
+  private static final MethodDescriptor<ApproveBuildRequest, Operation>
+      approveBuildMethodDescriptor =
+          MethodDescriptor.<ApproveBuildRequest, Operation>newBuilder()
+              .setType(MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName("google.devtools.cloudbuild.v1.CloudBuild/ApproveBuild")
+              .setRequestMarshaller(ProtoUtils.marshaller(ApproveBuildRequest.getDefaultInstance()))
+              .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .build();
+
   private static final MethodDescriptor<CreateBuildTriggerRequest, BuildTrigger>
       createBuildTriggerMethodDescriptor =
           MethodDescriptor.<CreateBuildTriggerRequest, BuildTrigger>newBuilder()
@@ -247,6 +257,9 @@ public class GrpcCloudBuildStub extends CloudBuildStub {
   private final UnaryCallable<RetryBuildRequest, Operation> retryBuildCallable;
   private final OperationCallable<RetryBuildRequest, Build, BuildOperationMetadata>
       retryBuildOperationCallable;
+  private final UnaryCallable<ApproveBuildRequest, Operation> approveBuildCallable;
+  private final OperationCallable<ApproveBuildRequest, Build, BuildOperationMetadata>
+      approveBuildOperationCallable;
   private final UnaryCallable<CreateBuildTriggerRequest, BuildTrigger> createBuildTriggerCallable;
   private final UnaryCallable<GetBuildTriggerRequest, BuildTrigger> getBuildTriggerCallable;
   private final UnaryCallable<ListBuildTriggersRequest, ListBuildTriggersResponse>
@@ -377,6 +390,16 @@ protected GrpcCloudBuildStub(
                   return params.build();
                 })
             .build();
+    GrpcCallSettings<ApproveBuildRequest, Operation> approveBuildTransportSettings =
+        GrpcCallSettings.<ApproveBuildRequest, Operation>newBuilder()
+            .setMethodDescriptor(approveBuildMethodDescriptor)
+            .setParamsExtractor(
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
+                })
+            .build();
     GrpcCallSettings<CreateBuildTriggerRequest, BuildTrigger> createBuildTriggerTransportSettings =
         GrpcCallSettings.<CreateBuildTriggerRequest, BuildTrigger>newBuilder()
             .setMethodDescriptor(createBuildTriggerMethodDescriptor)
@@ -546,6 +569,15 @@ protected GrpcCloudBuildStub(
             settings.retryBuildOperationSettings(),
             clientContext,
             operationsStub);
+    this.approveBuildCallable =
+        callableFactory.createUnaryCallable(
+            approveBuildTransportSettings, settings.approveBuildSettings(), clientContext);
+    this.approveBuildOperationCallable =
+        callableFactory.createOperationCallable(
+            approveBuildTransportSettings,
+            settings.approveBuildOperationSettings(),
+            clientContext,
+            operationsStub);
     this.createBuildTriggerCallable =
         callableFactory.createUnaryCallable(
             createBuildTriggerTransportSettings,
@@ -675,6 +707,17 @@ public UnaryCallable<RetryBuildRequest, Operation> retryBuildCallable() {
     return retryBuildOperationCallable;
   }
 
+  @Override
+  public UnaryCallable<ApproveBuildRequest, Operation> approveBuildCallable() {
+    return approveBuildCallable;
+  }
+
+  @Override
+  public OperationCallable<ApproveBuildRequest, Build, BuildOperationMetadata>
+      approveBuildOperationCallable() {
+    return approveBuildOperationCallable;
+  }
+
   @Override
   public UnaryCallable<CreateBuildTriggerRequest, BuildTrigger> createBuildTriggerCallable() {
     return createBuildTriggerCallable;
diff --git a/google-cloud-build/src/test/java/com/google/cloud/devtools/cloudbuild/v1/CloudBuildClientTest.java b/google-cloud-build/src/test/java/com/google/cloud/devtools/cloudbuild/v1/CloudBuildClientTest.java
index 599d1c03..85620812 100644
--- a/google-cloud-build/src/test/java/com/google/cloud/devtools/cloudbuild/v1/CloudBuildClientTest.java
+++ b/google-cloud-build/src/test/java/com/google/cloud/devtools/cloudbuild/v1/CloudBuildClientTest.java
@@ -29,8 +29,11 @@
 import com.google.api.gax.rpc.ApiClientHeaderProvider;
 import com.google.api.gax.rpc.InvalidArgumentException;
 import com.google.api.gax.rpc.StatusCode;
+import com.google.cloudbuild.v1.ApprovalResult;
+import com.google.cloudbuild.v1.ApproveBuildRequest;
 import com.google.cloudbuild.v1.Artifacts;
 import com.google.cloudbuild.v1.Build;
+import com.google.cloudbuild.v1.BuildApproval;
 import com.google.cloudbuild.v1.BuildName;
 import com.google.cloudbuild.v1.BuildOptions;
 import com.google.cloudbuild.v1.BuildStep;
@@ -159,6 +162,7 @@ public void createBuildTest() throws Exception {
             .addAllTags(new ArrayList<String>())
             .addAllSecrets(new ArrayList<Secret>())
             .putAllTiming(new HashMap<String, TimeSpan>())
+            .setApproval(BuildApproval.newBuilder().build())
             .setServiceAccount("serviceAccount1079137720")
             .setAvailableSecrets(Secrets.newBuilder().build())
             .addAllWarnings(new ArrayList<Build.Warning>())
@@ -234,6 +238,7 @@ public void getBuildTest() throws Exception {
             .addAllTags(new ArrayList<String>())
             .addAllSecrets(new ArrayList<Secret>())
             .putAllTiming(new HashMap<String, TimeSpan>())
+            .setApproval(BuildApproval.newBuilder().build())
             .setServiceAccount("serviceAccount1079137720")
             .setAvailableSecrets(Secrets.newBuilder().build())
             .addAllWarnings(new ArrayList<Build.Warning>())
@@ -348,6 +353,7 @@ public void cancelBuildTest() throws Exception {
             .addAllTags(new ArrayList<String>())
             .addAllSecrets(new ArrayList<Secret>())
             .putAllTiming(new HashMap<String, TimeSpan>())
+            .setApproval(BuildApproval.newBuilder().build())
             .setServiceAccount("serviceAccount1079137720")
             .setAvailableSecrets(Secrets.newBuilder().build())
             .addAllWarnings(new ArrayList<Build.Warning>())
@@ -415,6 +421,7 @@ public void retryBuildTest() throws Exception {
             .addAllTags(new ArrayList<String>())
             .addAllSecrets(new ArrayList<Secret>())
             .putAllTiming(new HashMap<String, TimeSpan>())
+            .setApproval(BuildApproval.newBuilder().build())
             .setServiceAccount("serviceAccount1079137720")
             .setAvailableSecrets(Secrets.newBuilder().build())
             .addAllWarnings(new ArrayList<Build.Warning>())
@@ -463,6 +470,82 @@ public void retryBuildExceptionTest() throws Exception {
     }
   }
 
+  @Test
+  public void approveBuildTest() throws Exception {
+    Build expectedResponse =
+        Build.newBuilder()
+            .setName(BuildName.ofProjectBuildName("[PROJECT]", "[BUILD]").toString())
+            .setId("id3355")
+            .setProjectId("projectId-894832108")
+            .setStatusDetail("statusDetail1651087075")
+            .setSource(Source.newBuilder().build())
+            .addAllSteps(new ArrayList<BuildStep>())
+            .setResults(Results.newBuilder().build())
+            .setCreateTime(Timestamp.newBuilder().build())
+            .setStartTime(Timestamp.newBuilder().build())
+            .setFinishTime(Timestamp.newBuilder().build())
+            .setTimeout(Duration.newBuilder().build())
+            .addAllImages(new ArrayList<String>())
+            .setQueueTtl(Duration.newBuilder().build())
+            .setArtifacts(Artifacts.newBuilder().build())
+            .setLogsBucket("logsBucket1592573049")
+            .setSourceProvenance(SourceProvenance.newBuilder().build())
+            .setBuildTriggerId("buildTriggerId781747749")
+            .setOptions(BuildOptions.newBuilder().build())
+            .setLogUrl("logUrl-1097354357")
+            .putAllSubstitutions(new HashMap<String, String>())
+            .addAllTags(new ArrayList<String>())
+            .addAllSecrets(new ArrayList<Secret>())
+            .putAllTiming(new HashMap<String, TimeSpan>())
+            .setApproval(BuildApproval.newBuilder().build())
+            .setServiceAccount("serviceAccount1079137720")
+            .setAvailableSecrets(Secrets.newBuilder().build())
+            .addAllWarnings(new ArrayList<Build.Warning>())
+            .setFailureInfo(Build.FailureInfo.newBuilder().build())
+            .build();
+    Operation resultOperation =
+        Operation.newBuilder()
+            .setName("approveBuildTest")
+            .setDone(true)
+            .setResponse(Any.pack(expectedResponse))
+            .build();
+    mockCloudBuild.addResponse(resultOperation);
+
+    String name = "name3373707";
+    ApprovalResult approvalResult = ApprovalResult.newBuilder().build();
+
+    Build actualResponse = client.approveBuildAsync(name, approvalResult).get();
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockCloudBuild.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    ApproveBuildRequest actualRequest = ((ApproveBuildRequest) actualRequests.get(0));
+
+    Assert.assertEquals(name, actualRequest.getName());
+    Assert.assertEquals(approvalResult, actualRequest.getApprovalResult());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void approveBuildExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockCloudBuild.addException(exception);
+
+    try {
+      String name = "name3373707";
+      ApprovalResult approvalResult = ApprovalResult.newBuilder().build();
+      client.approveBuildAsync(name, approvalResult).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 createBuildTriggerTest() throws Exception {
     BuildTrigger expectedResponse =
@@ -739,6 +822,7 @@ public void runBuildTriggerTest() throws Exception {
             .addAllTags(new ArrayList<String>())
             .addAllSecrets(new ArrayList<Secret>())
             .putAllTiming(new HashMap<String, TimeSpan>())
+            .setApproval(BuildApproval.newBuilder().build())
             .setServiceAccount("serviceAccount1079137720")
             .setAvailableSecrets(Secrets.newBuilder().build())
             .addAllWarnings(new ArrayList<Build.Warning>())
diff --git a/google-cloud-build/src/test/java/com/google/cloud/devtools/cloudbuild/v1/MockCloudBuildImpl.java b/google-cloud-build/src/test/java/com/google/cloud/devtools/cloudbuild/v1/MockCloudBuildImpl.java
index 33e80c9d..dba9df38 100644
--- a/google-cloud-build/src/test/java/com/google/cloud/devtools/cloudbuild/v1/MockCloudBuildImpl.java
+++ b/google-cloud-build/src/test/java/com/google/cloud/devtools/cloudbuild/v1/MockCloudBuildImpl.java
@@ -17,6 +17,7 @@
 package com.google.cloud.devtools.cloudbuild.v1;
 
 import com.google.api.core.BetaApi;
+import com.google.cloudbuild.v1.ApproveBuildRequest;
 import com.google.cloudbuild.v1.Build;
 import com.google.cloudbuild.v1.BuildTrigger;
 import com.google.cloudbuild.v1.CancelBuildRequest;
@@ -185,6 +186,27 @@ public void retryBuild(RetryBuildRequest request, StreamObserver<Operation> resp
     }
   }
 
+  @Override
+  public void approveBuild(
+      ApproveBuildRequest 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 ApproveBuild, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  Operation.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
+
   @Override
   public void createBuildTrigger(
       CreateBuildTriggerRequest request, StreamObserver<BuildTrigger> responseObserver) {
diff --git a/grpc-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/CloudBuildGrpc.java b/grpc-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/CloudBuildGrpc.java
index 44886d49..aee75c9c 100644
--- a/grpc-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/CloudBuildGrpc.java
+++ b/grpc-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/CloudBuildGrpc.java
@@ -242,6 +242,47 @@ private CloudBuildGrpc() {}
     return getRetryBuildMethod;
   }
 
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.cloudbuild.v1.ApproveBuildRequest, com.google.longrunning.Operation>
+      getApproveBuildMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "ApproveBuild",
+      requestType = com.google.cloudbuild.v1.ApproveBuildRequest.class,
+      responseType = com.google.longrunning.Operation.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.cloudbuild.v1.ApproveBuildRequest, com.google.longrunning.Operation>
+      getApproveBuildMethod() {
+    io.grpc.MethodDescriptor<
+            com.google.cloudbuild.v1.ApproveBuildRequest, com.google.longrunning.Operation>
+        getApproveBuildMethod;
+    if ((getApproveBuildMethod = CloudBuildGrpc.getApproveBuildMethod) == null) {
+      synchronized (CloudBuildGrpc.class) {
+        if ((getApproveBuildMethod = CloudBuildGrpc.getApproveBuildMethod) == null) {
+          CloudBuildGrpc.getApproveBuildMethod =
+              getApproveBuildMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.cloudbuild.v1.ApproveBuildRequest,
+                          com.google.longrunning.Operation>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ApproveBuild"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloudbuild.v1.ApproveBuildRequest.getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.longrunning.Operation.getDefaultInstance()))
+                      .setSchemaDescriptor(new CloudBuildMethodDescriptorSupplier("ApproveBuild"))
+                      .build();
+        }
+      }
+    }
+    return getApproveBuildMethod;
+  }
+
   private static volatile io.grpc.MethodDescriptor<
           com.google.cloudbuild.v1.CreateBuildTriggerRequest, com.google.cloudbuild.v1.BuildTrigger>
       getCreateBuildTriggerMethod;
@@ -916,6 +957,23 @@ public void retryBuild(
       io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getRetryBuildMethod(), responseObserver);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Approves or rejects a pending build.
+     * If approved, the returned LRO will be analogous to the LRO returned from
+     * a CreateBuild call.
+     * If rejected, the returned LRO will be immediately done.
+     * </pre>
+     */
+    public void approveBuild(
+        com.google.cloudbuild.v1.ApproveBuildRequest request,
+        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
+          getApproveBuildMethod(), responseObserver);
+    }
+
     /**
      *
      *
@@ -1126,6 +1184,12 @@ public final io.grpc.ServerServiceDefinition bindService() {
                   new MethodHandlers<
                       com.google.cloudbuild.v1.RetryBuildRequest, com.google.longrunning.Operation>(
                       this, METHODID_RETRY_BUILD)))
+          .addMethod(
+              getApproveBuildMethod(),
+              io.grpc.stub.ServerCalls.asyncUnaryCall(
+                  new MethodHandlers<
+                      com.google.cloudbuild.v1.ApproveBuildRequest,
+                      com.google.longrunning.Operation>(this, METHODID_APPROVE_BUILD)))
           .addMethod(
               getCreateBuildTriggerMethod(),
               io.grpc.stub.ServerCalls.asyncUnaryCall(
@@ -1327,6 +1391,25 @@ public void retryBuild(
           getChannel().newCall(getRetryBuildMethod(), getCallOptions()), request, responseObserver);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Approves or rejects a pending build.
+     * If approved, the returned LRO will be analogous to the LRO returned from
+     * a CreateBuild call.
+     * If rejected, the returned LRO will be immediately done.
+     * </pre>
+     */
+    public void approveBuild(
+        com.google.cloudbuild.v1.ApproveBuildRequest request,
+        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getApproveBuildMethod(), getCallOptions()),
+          request,
+          responseObserver);
+    }
+
     /**
      *
      *
@@ -1644,6 +1727,22 @@ public com.google.longrunning.Operation retryBuild(
           getChannel(), getRetryBuildMethod(), getCallOptions(), request);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Approves or rejects a pending build.
+     * If approved, the returned LRO will be analogous to the LRO returned from
+     * a CreateBuild call.
+     * If rejected, the returned LRO will be immediately done.
+     * </pre>
+     */
+    public com.google.longrunning.Operation approveBuild(
+        com.google.cloudbuild.v1.ApproveBuildRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getApproveBuildMethod(), getCallOptions(), request);
+    }
+
     /**
      *
      *
@@ -1922,6 +2021,22 @@ protected CloudBuildFutureStub build(io.grpc.Channel channel, io.grpc.CallOption
           getChannel().newCall(getRetryBuildMethod(), getCallOptions()), request);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Approves or rejects a pending build.
+     * If approved, the returned LRO will be analogous to the LRO returned from
+     * a CreateBuild call.
+     * If rejected, the returned LRO will be immediately done.
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<com.google.longrunning.Operation>
+        approveBuild(com.google.cloudbuild.v1.ApproveBuildRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getApproveBuildMethod(), getCallOptions()), request);
+    }
+
     /**
      *
      *
@@ -2093,18 +2208,19 @@ protected CloudBuildFutureStub build(io.grpc.Channel channel, io.grpc.CallOption
   private static final int METHODID_LIST_BUILDS = 2;
   private static final int METHODID_CANCEL_BUILD = 3;
   private static final int METHODID_RETRY_BUILD = 4;
-  private static final int METHODID_CREATE_BUILD_TRIGGER = 5;
-  private static final int METHODID_GET_BUILD_TRIGGER = 6;
-  private static final int METHODID_LIST_BUILD_TRIGGERS = 7;
-  private static final int METHODID_DELETE_BUILD_TRIGGER = 8;
-  private static final int METHODID_UPDATE_BUILD_TRIGGER = 9;
-  private static final int METHODID_RUN_BUILD_TRIGGER = 10;
-  private static final int METHODID_RECEIVE_TRIGGER_WEBHOOK = 11;
-  private static final int METHODID_CREATE_WORKER_POOL = 12;
-  private static final int METHODID_GET_WORKER_POOL = 13;
-  private static final int METHODID_DELETE_WORKER_POOL = 14;
-  private static final int METHODID_UPDATE_WORKER_POOL = 15;
-  private static final int METHODID_LIST_WORKER_POOLS = 16;
+  private static final int METHODID_APPROVE_BUILD = 5;
+  private static final int METHODID_CREATE_BUILD_TRIGGER = 6;
+  private static final int METHODID_GET_BUILD_TRIGGER = 7;
+  private static final int METHODID_LIST_BUILD_TRIGGERS = 8;
+  private static final int METHODID_DELETE_BUILD_TRIGGER = 9;
+  private static final int METHODID_UPDATE_BUILD_TRIGGER = 10;
+  private static final int METHODID_RUN_BUILD_TRIGGER = 11;
+  private static final int METHODID_RECEIVE_TRIGGER_WEBHOOK = 12;
+  private static final int METHODID_CREATE_WORKER_POOL = 13;
+  private static final int METHODID_GET_WORKER_POOL = 14;
+  private static final int METHODID_DELETE_WORKER_POOL = 15;
+  private static final int METHODID_UPDATE_WORKER_POOL = 16;
+  private static final int METHODID_LIST_WORKER_POOLS = 17;
 
   private static final class MethodHandlers<Req, Resp>
       implements io.grpc.stub.ServerCalls.UnaryMethod<Req, Resp>,
@@ -2149,6 +2265,11 @@ public void invoke(Req request, io.grpc.stub.StreamObserver<Resp> responseObserv
               (com.google.cloudbuild.v1.RetryBuildRequest) request,
               (io.grpc.stub.StreamObserver<com.google.longrunning.Operation>) responseObserver);
           break;
+        case METHODID_APPROVE_BUILD:
+          serviceImpl.approveBuild(
+              (com.google.cloudbuild.v1.ApproveBuildRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.longrunning.Operation>) responseObserver);
+          break;
         case METHODID_CREATE_BUILD_TRIGGER:
           serviceImpl.createBuildTrigger(
               (com.google.cloudbuild.v1.CreateBuildTriggerRequest) request,
@@ -2284,6 +2405,7 @@ public static io.grpc.ServiceDescriptor getServiceDescriptor() {
                       .addMethod(getListBuildsMethod())
                       .addMethod(getCancelBuildMethod())
                       .addMethod(getRetryBuildMethod())
+                      .addMethod(getApproveBuildMethod())
                       .addMethod(getCreateBuildTriggerMethod())
                       .addMethod(getGetBuildTriggerMethod())
                       .addMethod(getListBuildTriggersMethod())
diff --git a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/ApprovalConfig.java b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/ApprovalConfig.java
new file mode 100644
index 00000000..827b009b
--- /dev/null
+++ b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/ApprovalConfig.java
@@ -0,0 +1,551 @@
+/*
+ * Copyright 2020 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!
+// source: google/devtools/cloudbuild/v1/cloudbuild.proto
+
+package com.google.cloudbuild.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * ApprovalConfig describes configuration for manual approval of a build.
+ * </pre>
+ *
+ * Protobuf type {@code google.devtools.cloudbuild.v1.ApprovalConfig}
+ */
+public final class ApprovalConfig extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.devtools.cloudbuild.v1.ApprovalConfig)
+    ApprovalConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use ApprovalConfig.newBuilder() to construct.
+  private ApprovalConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ApprovalConfig() {}
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new ApprovalConfig();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private ApprovalConfig(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 8:
+            {
+              approvalRequired_ = input.readBool();
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloudbuild.v1.Cloudbuild
+        .internal_static_google_devtools_cloudbuild_v1_ApprovalConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloudbuild.v1.Cloudbuild
+        .internal_static_google_devtools_cloudbuild_v1_ApprovalConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloudbuild.v1.ApprovalConfig.class,
+            com.google.cloudbuild.v1.ApprovalConfig.Builder.class);
+  }
+
+  public static final int APPROVAL_REQUIRED_FIELD_NUMBER = 1;
+  private boolean approvalRequired_;
+  /**
+   *
+   *
+   * <pre>
+   * Whether or not approval is needed. If this is set on a build, it will
+   * become pending when created, and will need to be explicitly approved
+   * to start.
+   * </pre>
+   *
+   * <code>bool approval_required = 1;</code>
+   *
+   * @return The approvalRequired.
+   */
+  @java.lang.Override
+  public boolean getApprovalRequired() {
+    return approvalRequired_;
+  }
+
+  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 (approvalRequired_ != false) {
+      output.writeBool(1, approvalRequired_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (approvalRequired_ != false) {
+      size += com.google.protobuf.CodedOutputStream.computeBoolSize(1, approvalRequired_);
+    }
+    size += unknownFields.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.cloudbuild.v1.ApprovalConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloudbuild.v1.ApprovalConfig other = (com.google.cloudbuild.v1.ApprovalConfig) obj;
+
+    if (getApprovalRequired() != other.getApprovalRequired()) return false;
+    if (!unknownFields.equals(other.unknownFields)) 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) + APPROVAL_REQUIRED_FIELD_NUMBER;
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getApprovalRequired());
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalConfig parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalConfig 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.cloudbuild.v1.ApprovalConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalConfig parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.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.cloudbuild.v1.ApprovalConfig 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.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * ApprovalConfig describes configuration for manual approval of a build.
+   * </pre>
+   *
+   * Protobuf type {@code google.devtools.cloudbuild.v1.ApprovalConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.devtools.cloudbuild.v1.ApprovalConfig)
+      com.google.cloudbuild.v1.ApprovalConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloudbuild.v1.Cloudbuild
+          .internal_static_google_devtools_cloudbuild_v1_ApprovalConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloudbuild.v1.Cloudbuild
+          .internal_static_google_devtools_cloudbuild_v1_ApprovalConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloudbuild.v1.ApprovalConfig.class,
+              com.google.cloudbuild.v1.ApprovalConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloudbuild.v1.ApprovalConfig.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      approvalRequired_ = false;
+
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloudbuild.v1.Cloudbuild
+          .internal_static_google_devtools_cloudbuild_v1_ApprovalConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloudbuild.v1.ApprovalConfig getDefaultInstanceForType() {
+      return com.google.cloudbuild.v1.ApprovalConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloudbuild.v1.ApprovalConfig build() {
+      com.google.cloudbuild.v1.ApprovalConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloudbuild.v1.ApprovalConfig buildPartial() {
+      com.google.cloudbuild.v1.ApprovalConfig result =
+          new com.google.cloudbuild.v1.ApprovalConfig(this);
+      result.approvalRequired_ = approvalRequired_;
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.setField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+
+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloudbuild.v1.ApprovalConfig) {
+        return mergeFrom((com.google.cloudbuild.v1.ApprovalConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloudbuild.v1.ApprovalConfig other) {
+      if (other == com.google.cloudbuild.v1.ApprovalConfig.getDefaultInstance()) return this;
+      if (other.getApprovalRequired() != false) {
+        setApprovalRequired(other.getApprovalRequired());
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      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 {
+      com.google.cloudbuild.v1.ApprovalConfig parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage = (com.google.cloudbuild.v1.ApprovalConfig) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private boolean approvalRequired_;
+    /**
+     *
+     *
+     * <pre>
+     * Whether or not approval is needed. If this is set on a build, it will
+     * become pending when created, and will need to be explicitly approved
+     * to start.
+     * </pre>
+     *
+     * <code>bool approval_required = 1;</code>
+     *
+     * @return The approvalRequired.
+     */
+    @java.lang.Override
+    public boolean getApprovalRequired() {
+      return approvalRequired_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Whether or not approval is needed. If this is set on a build, it will
+     * become pending when created, and will need to be explicitly approved
+     * to start.
+     * </pre>
+     *
+     * <code>bool approval_required = 1;</code>
+     *
+     * @param value The approvalRequired to set.
+     * @return This builder for chaining.
+     */
+    public Builder setApprovalRequired(boolean value) {
+
+      approvalRequired_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Whether or not approval is needed. If this is set on a build, it will
+     * become pending when created, and will need to be explicitly approved
+     * to start.
+     * </pre>
+     *
+     * <code>bool approval_required = 1;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearApprovalRequired() {
+
+      approvalRequired_ = false;
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.devtools.cloudbuild.v1.ApprovalConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.devtools.cloudbuild.v1.ApprovalConfig)
+  private static final com.google.cloudbuild.v1.ApprovalConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloudbuild.v1.ApprovalConfig();
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ApprovalConfig> PARSER =
+      new com.google.protobuf.AbstractParser<ApprovalConfig>() {
+        @java.lang.Override
+        public ApprovalConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new ApprovalConfig(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<ApprovalConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ApprovalConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloudbuild.v1.ApprovalConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/ApprovalConfigOrBuilder.java b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/ApprovalConfigOrBuilder.java
new file mode 100644
index 00000000..583fddf3
--- /dev/null
+++ b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/ApprovalConfigOrBuilder.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2020 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!
+// source: google/devtools/cloudbuild/v1/cloudbuild.proto
+
+package com.google.cloudbuild.v1;
+
+public interface ApprovalConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.devtools.cloudbuild.v1.ApprovalConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Whether or not approval is needed. If this is set on a build, it will
+   * become pending when created, and will need to be explicitly approved
+   * to start.
+   * </pre>
+   *
+   * <code>bool approval_required = 1;</code>
+   *
+   * @return The approvalRequired.
+   */
+  boolean getApprovalRequired();
+}
diff --git a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/ApprovalResult.java b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/ApprovalResult.java
new file mode 100644
index 00000000..14941bca
--- /dev/null
+++ b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/ApprovalResult.java
@@ -0,0 +1,1647 @@
+/*
+ * Copyright 2020 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!
+// source: google/devtools/cloudbuild/v1/cloudbuild.proto
+
+package com.google.cloudbuild.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * ApprovalResult describes the decision and associated metadata of a manual
+ * approval of a build.
+ * </pre>
+ *
+ * Protobuf type {@code google.devtools.cloudbuild.v1.ApprovalResult}
+ */
+public final class ApprovalResult extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.devtools.cloudbuild.v1.ApprovalResult)
+    ApprovalResultOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use ApprovalResult.newBuilder() to construct.
+  private ApprovalResult(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ApprovalResult() {
+    approverAccount_ = "";
+    decision_ = 0;
+    comment_ = "";
+    url_ = "";
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new ApprovalResult();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private ApprovalResult(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 18:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              approverAccount_ = s;
+              break;
+            }
+          case 26:
+            {
+              com.google.protobuf.Timestamp.Builder subBuilder = null;
+              if (approvalTime_ != null) {
+                subBuilder = approvalTime_.toBuilder();
+              }
+              approvalTime_ =
+                  input.readMessage(com.google.protobuf.Timestamp.parser(), extensionRegistry);
+              if (subBuilder != null) {
+                subBuilder.mergeFrom(approvalTime_);
+                approvalTime_ = subBuilder.buildPartial();
+              }
+
+              break;
+            }
+          case 32:
+            {
+              int rawValue = input.readEnum();
+
+              decision_ = rawValue;
+              break;
+            }
+          case 42:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              comment_ = s;
+              break;
+            }
+          case 50:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              url_ = s;
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloudbuild.v1.Cloudbuild
+        .internal_static_google_devtools_cloudbuild_v1_ApprovalResult_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloudbuild.v1.Cloudbuild
+        .internal_static_google_devtools_cloudbuild_v1_ApprovalResult_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloudbuild.v1.ApprovalResult.class,
+            com.google.cloudbuild.v1.ApprovalResult.Builder.class);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies whether or not this manual approval result is to approve
+   * or reject a build.
+   * </pre>
+   *
+   * Protobuf enum {@code google.devtools.cloudbuild.v1.ApprovalResult.Decision}
+   */
+  public enum Decision implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * Default enum type. This should not be used.
+     * </pre>
+     *
+     * <code>DECISION_UNSPECIFIED = 0;</code>
+     */
+    DECISION_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * Build is approved.
+     * </pre>
+     *
+     * <code>APPROVED = 1;</code>
+     */
+    APPROVED(1),
+    /**
+     *
+     *
+     * <pre>
+     * Build is rejected.
+     * </pre>
+     *
+     * <code>REJECTED = 2;</code>
+     */
+    REJECTED(2),
+    UNRECOGNIZED(-1),
+    ;
+
+    /**
+     *
+     *
+     * <pre>
+     * Default enum type. This should not be used.
+     * </pre>
+     *
+     * <code>DECISION_UNSPECIFIED = 0;</code>
+     */
+    public static final int DECISION_UNSPECIFIED_VALUE = 0;
+    /**
+     *
+     *
+     * <pre>
+     * Build is approved.
+     * </pre>
+     *
+     * <code>APPROVED = 1;</code>
+     */
+    public static final int APPROVED_VALUE = 1;
+    /**
+     *
+     *
+     * <pre>
+     * Build is rejected.
+     * </pre>
+     *
+     * <code>REJECTED = 2;</code>
+     */
+    public static final int REJECTED_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 Decision 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 Decision forNumber(int value) {
+      switch (value) {
+        case 0:
+          return DECISION_UNSPECIFIED;
+        case 1:
+          return APPROVED;
+        case 2:
+          return REJECTED;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<Decision> internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<Decision> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap<Decision>() {
+          public Decision findValueByNumber(int number) {
+            return Decision.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 final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloudbuild.v1.ApprovalResult.getDescriptor().getEnumTypes().get(0);
+    }
+
+    private static final Decision[] VALUES = values();
+
+    public static Decision 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 Decision(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.devtools.cloudbuild.v1.ApprovalResult.Decision)
+  }
+
+  public static final int APPROVER_ACCOUNT_FIELD_NUMBER = 2;
+  private volatile java.lang.Object approverAccount_;
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Email of the user that called the ApproveBuild API to
+   * approve or reject a build at the time that the API was called.
+   * </pre>
+   *
+   * <code>string approver_account = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The approverAccount.
+   */
+  @java.lang.Override
+  public java.lang.String getApproverAccount() {
+    java.lang.Object ref = approverAccount_;
+    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();
+      approverAccount_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Email of the user that called the ApproveBuild API to
+   * approve or reject a build at the time that the API was called.
+   * </pre>
+   *
+   * <code>string approver_account = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for approverAccount.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getApproverAccountBytes() {
+    java.lang.Object ref = approverAccount_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      approverAccount_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int APPROVAL_TIME_FIELD_NUMBER = 3;
+  private com.google.protobuf.Timestamp approvalTime_;
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The time when the approval decision was made.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Timestamp approval_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the approvalTime field is set.
+   */
+  @java.lang.Override
+  public boolean hasApprovalTime() {
+    return approvalTime_ != null;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The time when the approval decision was made.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Timestamp approval_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The approvalTime.
+   */
+  @java.lang.Override
+  public com.google.protobuf.Timestamp getApprovalTime() {
+    return approvalTime_ == null
+        ? com.google.protobuf.Timestamp.getDefaultInstance()
+        : approvalTime_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The time when the approval decision was made.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Timestamp approval_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.protobuf.TimestampOrBuilder getApprovalTimeOrBuilder() {
+    return getApprovalTime();
+  }
+
+  public static final int DECISION_FIELD_NUMBER = 4;
+  private int decision_;
+  /**
+   *
+   *
+   * <pre>
+   * Required. The decision of this manual approval.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.ApprovalResult.Decision decision = 4 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for decision.
+   */
+  @java.lang.Override
+  public int getDecisionValue() {
+    return decision_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Required. The decision of this manual approval.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.ApprovalResult.Decision decision = 4 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The decision.
+   */
+  @java.lang.Override
+  public com.google.cloudbuild.v1.ApprovalResult.Decision getDecision() {
+    @SuppressWarnings("deprecation")
+    com.google.cloudbuild.v1.ApprovalResult.Decision result =
+        com.google.cloudbuild.v1.ApprovalResult.Decision.valueOf(decision_);
+    return result == null ? com.google.cloudbuild.v1.ApprovalResult.Decision.UNRECOGNIZED : result;
+  }
+
+  public static final int COMMENT_FIELD_NUMBER = 5;
+  private volatile java.lang.Object comment_;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. An optional comment for this manual approval result.
+   * </pre>
+   *
+   * <code>string comment = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The comment.
+   */
+  @java.lang.Override
+  public java.lang.String getComment() {
+    java.lang.Object ref = comment_;
+    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();
+      comment_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. An optional comment for this manual approval result.
+   * </pre>
+   *
+   * <code>string comment = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for comment.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getCommentBytes() {
+    java.lang.Object ref = comment_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      comment_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int URL_FIELD_NUMBER = 6;
+  private volatile java.lang.Object url_;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. An optional URL tied to this manual approval result. This field
+   * is essentially the same as comment, except that it will be rendered by the
+   * UI differently. An example use case is a link to an external job that
+   * approved this Build.
+   * </pre>
+   *
+   * <code>string url = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The url.
+   */
+  @java.lang.Override
+  public java.lang.String getUrl() {
+    java.lang.Object ref = url_;
+    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();
+      url_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Optional. An optional URL tied to this manual approval result. This field
+   * is essentially the same as comment, except that it will be rendered by the
+   * UI differently. An example use case is a link to an external job that
+   * approved this Build.
+   * </pre>
+   *
+   * <code>string url = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for url.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getUrlBytes() {
+    java.lang.Object ref = url_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      url_ = 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 (!getApproverAccountBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, approverAccount_);
+    }
+    if (approvalTime_ != null) {
+      output.writeMessage(3, getApprovalTime());
+    }
+    if (decision_
+        != com.google.cloudbuild.v1.ApprovalResult.Decision.DECISION_UNSPECIFIED.getNumber()) {
+      output.writeEnum(4, decision_);
+    }
+    if (!getCommentBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 5, comment_);
+    }
+    if (!getUrlBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 6, url_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!getApproverAccountBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, approverAccount_);
+    }
+    if (approvalTime_ != null) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getApprovalTime());
+    }
+    if (decision_
+        != com.google.cloudbuild.v1.ApprovalResult.Decision.DECISION_UNSPECIFIED.getNumber()) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(4, decision_);
+    }
+    if (!getCommentBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, comment_);
+    }
+    if (!getUrlBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(6, url_);
+    }
+    size += unknownFields.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.cloudbuild.v1.ApprovalResult)) {
+      return super.equals(obj);
+    }
+    com.google.cloudbuild.v1.ApprovalResult other = (com.google.cloudbuild.v1.ApprovalResult) obj;
+
+    if (!getApproverAccount().equals(other.getApproverAccount())) return false;
+    if (hasApprovalTime() != other.hasApprovalTime()) return false;
+    if (hasApprovalTime()) {
+      if (!getApprovalTime().equals(other.getApprovalTime())) return false;
+    }
+    if (decision_ != other.decision_) return false;
+    if (!getComment().equals(other.getComment())) return false;
+    if (!getUrl().equals(other.getUrl())) return false;
+    if (!unknownFields.equals(other.unknownFields)) 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) + APPROVER_ACCOUNT_FIELD_NUMBER;
+    hash = (53 * hash) + getApproverAccount().hashCode();
+    if (hasApprovalTime()) {
+      hash = (37 * hash) + APPROVAL_TIME_FIELD_NUMBER;
+      hash = (53 * hash) + getApprovalTime().hashCode();
+    }
+    hash = (37 * hash) + DECISION_FIELD_NUMBER;
+    hash = (53 * hash) + decision_;
+    hash = (37 * hash) + COMMENT_FIELD_NUMBER;
+    hash = (53 * hash) + getComment().hashCode();
+    hash = (37 * hash) + URL_FIELD_NUMBER;
+    hash = (53 * hash) + getUrl().hashCode();
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalResult parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalResult parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalResult parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalResult 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.cloudbuild.v1.ApprovalResult parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalResult parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalResult parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalResult parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalResult parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalResult parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalResult parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalResult parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.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.cloudbuild.v1.ApprovalResult 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.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * ApprovalResult describes the decision and associated metadata of a manual
+   * approval of a build.
+   * </pre>
+   *
+   * Protobuf type {@code google.devtools.cloudbuild.v1.ApprovalResult}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.devtools.cloudbuild.v1.ApprovalResult)
+      com.google.cloudbuild.v1.ApprovalResultOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloudbuild.v1.Cloudbuild
+          .internal_static_google_devtools_cloudbuild_v1_ApprovalResult_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloudbuild.v1.Cloudbuild
+          .internal_static_google_devtools_cloudbuild_v1_ApprovalResult_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloudbuild.v1.ApprovalResult.class,
+              com.google.cloudbuild.v1.ApprovalResult.Builder.class);
+    }
+
+    // Construct using com.google.cloudbuild.v1.ApprovalResult.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      approverAccount_ = "";
+
+      if (approvalTimeBuilder_ == null) {
+        approvalTime_ = null;
+      } else {
+        approvalTime_ = null;
+        approvalTimeBuilder_ = null;
+      }
+      decision_ = 0;
+
+      comment_ = "";
+
+      url_ = "";
+
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloudbuild.v1.Cloudbuild
+          .internal_static_google_devtools_cloudbuild_v1_ApprovalResult_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloudbuild.v1.ApprovalResult getDefaultInstanceForType() {
+      return com.google.cloudbuild.v1.ApprovalResult.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloudbuild.v1.ApprovalResult build() {
+      com.google.cloudbuild.v1.ApprovalResult result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloudbuild.v1.ApprovalResult buildPartial() {
+      com.google.cloudbuild.v1.ApprovalResult result =
+          new com.google.cloudbuild.v1.ApprovalResult(this);
+      result.approverAccount_ = approverAccount_;
+      if (approvalTimeBuilder_ == null) {
+        result.approvalTime_ = approvalTime_;
+      } else {
+        result.approvalTime_ = approvalTimeBuilder_.build();
+      }
+      result.decision_ = decision_;
+      result.comment_ = comment_;
+      result.url_ = url_;
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.setField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+
+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloudbuild.v1.ApprovalResult) {
+        return mergeFrom((com.google.cloudbuild.v1.ApprovalResult) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloudbuild.v1.ApprovalResult other) {
+      if (other == com.google.cloudbuild.v1.ApprovalResult.getDefaultInstance()) return this;
+      if (!other.getApproverAccount().isEmpty()) {
+        approverAccount_ = other.approverAccount_;
+        onChanged();
+      }
+      if (other.hasApprovalTime()) {
+        mergeApprovalTime(other.getApprovalTime());
+      }
+      if (other.decision_ != 0) {
+        setDecisionValue(other.getDecisionValue());
+      }
+      if (!other.getComment().isEmpty()) {
+        comment_ = other.comment_;
+        onChanged();
+      }
+      if (!other.getUrl().isEmpty()) {
+        url_ = other.url_;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      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 {
+      com.google.cloudbuild.v1.ApprovalResult parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage = (com.google.cloudbuild.v1.ApprovalResult) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private java.lang.Object approverAccount_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Email of the user that called the ApproveBuild API to
+     * approve or reject a build at the time that the API was called.
+     * </pre>
+     *
+     * <code>string approver_account = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The approverAccount.
+     */
+    public java.lang.String getApproverAccount() {
+      java.lang.Object ref = approverAccount_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        approverAccount_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Email of the user that called the ApproveBuild API to
+     * approve or reject a build at the time that the API was called.
+     * </pre>
+     *
+     * <code>string approver_account = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for approverAccount.
+     */
+    public com.google.protobuf.ByteString getApproverAccountBytes() {
+      java.lang.Object ref = approverAccount_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        approverAccount_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Email of the user that called the ApproveBuild API to
+     * approve or reject a build at the time that the API was called.
+     * </pre>
+     *
+     * <code>string approver_account = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The approverAccount to set.
+     * @return This builder for chaining.
+     */
+    public Builder setApproverAccount(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      approverAccount_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Email of the user that called the ApproveBuild API to
+     * approve or reject a build at the time that the API was called.
+     * </pre>
+     *
+     * <code>string approver_account = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearApproverAccount() {
+
+      approverAccount_ = getDefaultInstance().getApproverAccount();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Email of the user that called the ApproveBuild API to
+     * approve or reject a build at the time that the API was called.
+     * </pre>
+     *
+     * <code>string approver_account = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The bytes for approverAccount to set.
+     * @return This builder for chaining.
+     */
+    public Builder setApproverAccountBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      approverAccount_ = value;
+      onChanged();
+      return this;
+    }
+
+    private com.google.protobuf.Timestamp approvalTime_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        approvalTimeBuilder_;
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time when the approval decision was made.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp approval_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the approvalTime field is set.
+     */
+    public boolean hasApprovalTime() {
+      return approvalTimeBuilder_ != null || approvalTime_ != null;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time when the approval decision was made.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp approval_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The approvalTime.
+     */
+    public com.google.protobuf.Timestamp getApprovalTime() {
+      if (approvalTimeBuilder_ == null) {
+        return approvalTime_ == null
+            ? com.google.protobuf.Timestamp.getDefaultInstance()
+            : approvalTime_;
+      } else {
+        return approvalTimeBuilder_.getMessage();
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time when the approval decision was made.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp approval_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setApprovalTime(com.google.protobuf.Timestamp value) {
+      if (approvalTimeBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        approvalTime_ = value;
+        onChanged();
+      } else {
+        approvalTimeBuilder_.setMessage(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time when the approval decision was made.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp approval_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setApprovalTime(com.google.protobuf.Timestamp.Builder builderForValue) {
+      if (approvalTimeBuilder_ == null) {
+        approvalTime_ = builderForValue.build();
+        onChanged();
+      } else {
+        approvalTimeBuilder_.setMessage(builderForValue.build());
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time when the approval decision was made.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp approval_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeApprovalTime(com.google.protobuf.Timestamp value) {
+      if (approvalTimeBuilder_ == null) {
+        if (approvalTime_ != null) {
+          approvalTime_ =
+              com.google.protobuf.Timestamp.newBuilder(approvalTime_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          approvalTime_ = value;
+        }
+        onChanged();
+      } else {
+        approvalTimeBuilder_.mergeFrom(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time when the approval decision was made.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp approval_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearApprovalTime() {
+      if (approvalTimeBuilder_ == null) {
+        approvalTime_ = null;
+        onChanged();
+      } else {
+        approvalTime_ = null;
+        approvalTimeBuilder_ = null;
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time when the approval decision was made.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp approval_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.protobuf.Timestamp.Builder getApprovalTimeBuilder() {
+
+      onChanged();
+      return getApprovalTimeFieldBuilder().getBuilder();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time when the approval decision was made.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp approval_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.protobuf.TimestampOrBuilder getApprovalTimeOrBuilder() {
+      if (approvalTimeBuilder_ != null) {
+        return approvalTimeBuilder_.getMessageOrBuilder();
+      } else {
+        return approvalTime_ == null
+            ? com.google.protobuf.Timestamp.getDefaultInstance()
+            : approvalTime_;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The time when the approval decision was made.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp approval_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        getApprovalTimeFieldBuilder() {
+      if (approvalTimeBuilder_ == null) {
+        approvalTimeBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.protobuf.Timestamp,
+                com.google.protobuf.Timestamp.Builder,
+                com.google.protobuf.TimestampOrBuilder>(
+                getApprovalTime(), getParentForChildren(), isClean());
+        approvalTime_ = null;
+      }
+      return approvalTimeBuilder_;
+    }
+
+    private int decision_ = 0;
+    /**
+     *
+     *
+     * <pre>
+     * Required. The decision of this manual approval.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalResult.Decision decision = 4 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for decision.
+     */
+    @java.lang.Override
+    public int getDecisionValue() {
+      return decision_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The decision of this manual approval.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalResult.Decision decision = 4 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @param value The enum numeric value on the wire for decision to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDecisionValue(int value) {
+
+      decision_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The decision of this manual approval.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalResult.Decision decision = 4 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return The decision.
+     */
+    @java.lang.Override
+    public com.google.cloudbuild.v1.ApprovalResult.Decision getDecision() {
+      @SuppressWarnings("deprecation")
+      com.google.cloudbuild.v1.ApprovalResult.Decision result =
+          com.google.cloudbuild.v1.ApprovalResult.Decision.valueOf(decision_);
+      return result == null
+          ? com.google.cloudbuild.v1.ApprovalResult.Decision.UNRECOGNIZED
+          : result;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The decision of this manual approval.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalResult.Decision decision = 4 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @param value The decision to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDecision(com.google.cloudbuild.v1.ApprovalResult.Decision value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      decision_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The decision of this manual approval.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalResult.Decision decision = 4 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearDecision() {
+
+      decision_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object comment_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Optional. An optional comment for this manual approval result.
+     * </pre>
+     *
+     * <code>string comment = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The comment.
+     */
+    public java.lang.String getComment() {
+      java.lang.Object ref = comment_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        comment_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. An optional comment for this manual approval result.
+     * </pre>
+     *
+     * <code>string comment = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for comment.
+     */
+    public com.google.protobuf.ByteString getCommentBytes() {
+      java.lang.Object ref = comment_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        comment_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. An optional comment for this manual approval result.
+     * </pre>
+     *
+     * <code>string comment = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The comment to set.
+     * @return This builder for chaining.
+     */
+    public Builder setComment(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      comment_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. An optional comment for this manual approval result.
+     * </pre>
+     *
+     * <code>string comment = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearComment() {
+
+      comment_ = getDefaultInstance().getComment();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. An optional comment for this manual approval result.
+     * </pre>
+     *
+     * <code>string comment = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for comment to set.
+     * @return This builder for chaining.
+     */
+    public Builder setCommentBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      comment_ = value;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object url_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Optional. An optional URL tied to this manual approval result. This field
+     * is essentially the same as comment, except that it will be rendered by the
+     * UI differently. An example use case is a link to an external job that
+     * approved this Build.
+     * </pre>
+     *
+     * <code>string url = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The url.
+     */
+    public java.lang.String getUrl() {
+      java.lang.Object ref = url_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        url_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. An optional URL tied to this manual approval result. This field
+     * is essentially the same as comment, except that it will be rendered by the
+     * UI differently. An example use case is a link to an external job that
+     * approved this Build.
+     * </pre>
+     *
+     * <code>string url = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for url.
+     */
+    public com.google.protobuf.ByteString getUrlBytes() {
+      java.lang.Object ref = url_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        url_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. An optional URL tied to this manual approval result. This field
+     * is essentially the same as comment, except that it will be rendered by the
+     * UI differently. An example use case is a link to an external job that
+     * approved this Build.
+     * </pre>
+     *
+     * <code>string url = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The url to set.
+     * @return This builder for chaining.
+     */
+    public Builder setUrl(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      url_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. An optional URL tied to this manual approval result. This field
+     * is essentially the same as comment, except that it will be rendered by the
+     * UI differently. An example use case is a link to an external job that
+     * approved this Build.
+     * </pre>
+     *
+     * <code>string url = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearUrl() {
+
+      url_ = getDefaultInstance().getUrl();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. An optional URL tied to this manual approval result. This field
+     * is essentially the same as comment, except that it will be rendered by the
+     * UI differently. An example use case is a link to an external job that
+     * approved this Build.
+     * </pre>
+     *
+     * <code>string url = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for url to set.
+     * @return This builder for chaining.
+     */
+    public Builder setUrlBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      url_ = value;
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.devtools.cloudbuild.v1.ApprovalResult)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.devtools.cloudbuild.v1.ApprovalResult)
+  private static final com.google.cloudbuild.v1.ApprovalResult DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloudbuild.v1.ApprovalResult();
+  }
+
+  public static com.google.cloudbuild.v1.ApprovalResult getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ApprovalResult> PARSER =
+      new com.google.protobuf.AbstractParser<ApprovalResult>() {
+        @java.lang.Override
+        public ApprovalResult parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new ApprovalResult(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<ApprovalResult> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ApprovalResult> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloudbuild.v1.ApprovalResult getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/ApprovalResultOrBuilder.java b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/ApprovalResultOrBuilder.java
new file mode 100644
index 00000000..0a936d8a
--- /dev/null
+++ b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/ApprovalResultOrBuilder.java
@@ -0,0 +1,178 @@
+/*
+ * Copyright 2020 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!
+// source: google/devtools/cloudbuild/v1/cloudbuild.proto
+
+package com.google.cloudbuild.v1;
+
+public interface ApprovalResultOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.devtools.cloudbuild.v1.ApprovalResult)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Email of the user that called the ApproveBuild API to
+   * approve or reject a build at the time that the API was called.
+   * </pre>
+   *
+   * <code>string approver_account = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The approverAccount.
+   */
+  java.lang.String getApproverAccount();
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Email of the user that called the ApproveBuild API to
+   * approve or reject a build at the time that the API was called.
+   * </pre>
+   *
+   * <code>string approver_account = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for approverAccount.
+   */
+  com.google.protobuf.ByteString getApproverAccountBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The time when the approval decision was made.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Timestamp approval_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the approvalTime field is set.
+   */
+  boolean hasApprovalTime();
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The time when the approval decision was made.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Timestamp approval_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The approvalTime.
+   */
+  com.google.protobuf.Timestamp getApprovalTime();
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The time when the approval decision was made.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Timestamp approval_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.protobuf.TimestampOrBuilder getApprovalTimeOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The decision of this manual approval.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.ApprovalResult.Decision decision = 4 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for decision.
+   */
+  int getDecisionValue();
+  /**
+   *
+   *
+   * <pre>
+   * Required. The decision of this manual approval.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.ApprovalResult.Decision decision = 4 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The decision.
+   */
+  com.google.cloudbuild.v1.ApprovalResult.Decision getDecision();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. An optional comment for this manual approval result.
+   * </pre>
+   *
+   * <code>string comment = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The comment.
+   */
+  java.lang.String getComment();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. An optional comment for this manual approval result.
+   * </pre>
+   *
+   * <code>string comment = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for comment.
+   */
+  com.google.protobuf.ByteString getCommentBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. An optional URL tied to this manual approval result. This field
+   * is essentially the same as comment, except that it will be rendered by the
+   * UI differently. An example use case is a link to an external job that
+   * approved this Build.
+   * </pre>
+   *
+   * <code>string url = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The url.
+   */
+  java.lang.String getUrl();
+  /**
+   *
+   *
+   * <pre>
+   * Optional. An optional URL tied to this manual approval result. This field
+   * is essentially the same as comment, except that it will be rendered by the
+   * UI differently. An example use case is a link to an external job that
+   * approved this Build.
+   * </pre>
+   *
+   * <code>string url = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for url.
+   */
+  com.google.protobuf.ByteString getUrlBytes();
+}
diff --git a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/ApproveBuildRequest.java b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/ApproveBuildRequest.java
new file mode 100644
index 00000000..889fcf86
--- /dev/null
+++ b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/ApproveBuildRequest.java
@@ -0,0 +1,919 @@
+/*
+ * Copyright 2020 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!
+// source: google/devtools/cloudbuild/v1/cloudbuild.proto
+
+package com.google.cloudbuild.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * Request to approve or reject a pending build.
+ * </pre>
+ *
+ * Protobuf type {@code google.devtools.cloudbuild.v1.ApproveBuildRequest}
+ */
+public final class ApproveBuildRequest extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.devtools.cloudbuild.v1.ApproveBuildRequest)
+    ApproveBuildRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use ApproveBuildRequest.newBuilder() to construct.
+  private ApproveBuildRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ApproveBuildRequest() {
+    name_ = "";
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new ApproveBuildRequest();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private ApproveBuildRequest(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    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();
+
+              name_ = s;
+              break;
+            }
+          case 18:
+            {
+              com.google.cloudbuild.v1.ApprovalResult.Builder subBuilder = null;
+              if (approvalResult_ != null) {
+                subBuilder = approvalResult_.toBuilder();
+              }
+              approvalResult_ =
+                  input.readMessage(
+                      com.google.cloudbuild.v1.ApprovalResult.parser(), extensionRegistry);
+              if (subBuilder != null) {
+                subBuilder.mergeFrom(approvalResult_);
+                approvalResult_ = subBuilder.buildPartial();
+              }
+
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloudbuild.v1.Cloudbuild
+        .internal_static_google_devtools_cloudbuild_v1_ApproveBuildRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloudbuild.v1.Cloudbuild
+        .internal_static_google_devtools_cloudbuild_v1_ApproveBuildRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloudbuild.v1.ApproveBuildRequest.class,
+            com.google.cloudbuild.v1.ApproveBuildRequest.Builder.class);
+  }
+
+  public static final int NAME_FIELD_NUMBER = 1;
+  private volatile java.lang.Object name_;
+  /**
+   *
+   *
+   * <pre>
+   * Required. Name of the target build.
+   * For example: "projects/{$project_id}/builds/{$build_id}"
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</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. Name of the target build.
+   * For example: "projects/{$project_id}/builds/{$build_id}"
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</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 APPROVAL_RESULT_FIELD_NUMBER = 2;
+  private com.google.cloudbuild.v1.ApprovalResult approvalResult_;
+  /**
+   *
+   *
+   * <pre>
+   * Approval decision and metadata.
+   * </pre>
+   *
+   * <code>.google.devtools.cloudbuild.v1.ApprovalResult approval_result = 2;</code>
+   *
+   * @return Whether the approvalResult field is set.
+   */
+  @java.lang.Override
+  public boolean hasApprovalResult() {
+    return approvalResult_ != null;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Approval decision and metadata.
+   * </pre>
+   *
+   * <code>.google.devtools.cloudbuild.v1.ApprovalResult approval_result = 2;</code>
+   *
+   * @return The approvalResult.
+   */
+  @java.lang.Override
+  public com.google.cloudbuild.v1.ApprovalResult getApprovalResult() {
+    return approvalResult_ == null
+        ? com.google.cloudbuild.v1.ApprovalResult.getDefaultInstance()
+        : approvalResult_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Approval decision and metadata.
+   * </pre>
+   *
+   * <code>.google.devtools.cloudbuild.v1.ApprovalResult approval_result = 2;</code>
+   */
+  @java.lang.Override
+  public com.google.cloudbuild.v1.ApprovalResultOrBuilder getApprovalResultOrBuilder() {
+    return getApprovalResult();
+  }
+
+  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 (!getNameBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
+    }
+    if (approvalResult_ != null) {
+      output.writeMessage(2, getApprovalResult());
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!getNameBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
+    }
+    if (approvalResult_ != null) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getApprovalResult());
+    }
+    size += unknownFields.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.cloudbuild.v1.ApproveBuildRequest)) {
+      return super.equals(obj);
+    }
+    com.google.cloudbuild.v1.ApproveBuildRequest other =
+        (com.google.cloudbuild.v1.ApproveBuildRequest) obj;
+
+    if (!getName().equals(other.getName())) return false;
+    if (hasApprovalResult() != other.hasApprovalResult()) return false;
+    if (hasApprovalResult()) {
+      if (!getApprovalResult().equals(other.getApprovalResult())) return false;
+    }
+    if (!unknownFields.equals(other.unknownFields)) 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();
+    if (hasApprovalResult()) {
+      hash = (37 * hash) + APPROVAL_RESULT_FIELD_NUMBER;
+      hash = (53 * hash) + getApprovalResult().hashCode();
+    }
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloudbuild.v1.ApproveBuildRequest parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloudbuild.v1.ApproveBuildRequest parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.ApproveBuildRequest parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloudbuild.v1.ApproveBuildRequest 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.cloudbuild.v1.ApproveBuildRequest parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloudbuild.v1.ApproveBuildRequest parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.ApproveBuildRequest parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloudbuild.v1.ApproveBuildRequest parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.ApproveBuildRequest parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloudbuild.v1.ApproveBuildRequest parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.ApproveBuildRequest parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloudbuild.v1.ApproveBuildRequest parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.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.cloudbuild.v1.ApproveBuildRequest 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.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Request to approve or reject a pending build.
+   * </pre>
+   *
+   * Protobuf type {@code google.devtools.cloudbuild.v1.ApproveBuildRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.devtools.cloudbuild.v1.ApproveBuildRequest)
+      com.google.cloudbuild.v1.ApproveBuildRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloudbuild.v1.Cloudbuild
+          .internal_static_google_devtools_cloudbuild_v1_ApproveBuildRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloudbuild.v1.Cloudbuild
+          .internal_static_google_devtools_cloudbuild_v1_ApproveBuildRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloudbuild.v1.ApproveBuildRequest.class,
+              com.google.cloudbuild.v1.ApproveBuildRequest.Builder.class);
+    }
+
+    // Construct using com.google.cloudbuild.v1.ApproveBuildRequest.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      name_ = "";
+
+      if (approvalResultBuilder_ == null) {
+        approvalResult_ = null;
+      } else {
+        approvalResult_ = null;
+        approvalResultBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloudbuild.v1.Cloudbuild
+          .internal_static_google_devtools_cloudbuild_v1_ApproveBuildRequest_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloudbuild.v1.ApproveBuildRequest getDefaultInstanceForType() {
+      return com.google.cloudbuild.v1.ApproveBuildRequest.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloudbuild.v1.ApproveBuildRequest build() {
+      com.google.cloudbuild.v1.ApproveBuildRequest result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloudbuild.v1.ApproveBuildRequest buildPartial() {
+      com.google.cloudbuild.v1.ApproveBuildRequest result =
+          new com.google.cloudbuild.v1.ApproveBuildRequest(this);
+      result.name_ = name_;
+      if (approvalResultBuilder_ == null) {
+        result.approvalResult_ = approvalResult_;
+      } else {
+        result.approvalResult_ = approvalResultBuilder_.build();
+      }
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.setField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+
+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloudbuild.v1.ApproveBuildRequest) {
+        return mergeFrom((com.google.cloudbuild.v1.ApproveBuildRequest) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloudbuild.v1.ApproveBuildRequest other) {
+      if (other == com.google.cloudbuild.v1.ApproveBuildRequest.getDefaultInstance()) return this;
+      if (!other.getName().isEmpty()) {
+        name_ = other.name_;
+        onChanged();
+      }
+      if (other.hasApprovalResult()) {
+        mergeApprovalResult(other.getApprovalResult());
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      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 {
+      com.google.cloudbuild.v1.ApproveBuildRequest parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage = (com.google.cloudbuild.v1.ApproveBuildRequest) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private java.lang.Object name_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Required. Name of the target build.
+     * For example: "projects/{$project_id}/builds/{$build_id}"
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</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. Name of the target build.
+     * For example: "projects/{$project_id}/builds/{$build_id}"
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</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. Name of the target build.
+     * For example: "projects/{$project_id}/builds/{$build_id}"
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</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;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. Name of the target build.
+     * For example: "projects/{$project_id}/builds/{$build_id}"
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+
+      name_ = getDefaultInstance().getName();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. Name of the target build.
+     * For example: "projects/{$project_id}/builds/{$build_id}"
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</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;
+      onChanged();
+      return this;
+    }
+
+    private com.google.cloudbuild.v1.ApprovalResult approvalResult_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloudbuild.v1.ApprovalResult,
+            com.google.cloudbuild.v1.ApprovalResult.Builder,
+            com.google.cloudbuild.v1.ApprovalResultOrBuilder>
+        approvalResultBuilder_;
+    /**
+     *
+     *
+     * <pre>
+     * Approval decision and metadata.
+     * </pre>
+     *
+     * <code>.google.devtools.cloudbuild.v1.ApprovalResult approval_result = 2;</code>
+     *
+     * @return Whether the approvalResult field is set.
+     */
+    public boolean hasApprovalResult() {
+      return approvalResultBuilder_ != null || approvalResult_ != null;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Approval decision and metadata.
+     * </pre>
+     *
+     * <code>.google.devtools.cloudbuild.v1.ApprovalResult approval_result = 2;</code>
+     *
+     * @return The approvalResult.
+     */
+    public com.google.cloudbuild.v1.ApprovalResult getApprovalResult() {
+      if (approvalResultBuilder_ == null) {
+        return approvalResult_ == null
+            ? com.google.cloudbuild.v1.ApprovalResult.getDefaultInstance()
+            : approvalResult_;
+      } else {
+        return approvalResultBuilder_.getMessage();
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Approval decision and metadata.
+     * </pre>
+     *
+     * <code>.google.devtools.cloudbuild.v1.ApprovalResult approval_result = 2;</code>
+     */
+    public Builder setApprovalResult(com.google.cloudbuild.v1.ApprovalResult value) {
+      if (approvalResultBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        approvalResult_ = value;
+        onChanged();
+      } else {
+        approvalResultBuilder_.setMessage(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Approval decision and metadata.
+     * </pre>
+     *
+     * <code>.google.devtools.cloudbuild.v1.ApprovalResult approval_result = 2;</code>
+     */
+    public Builder setApprovalResult(
+        com.google.cloudbuild.v1.ApprovalResult.Builder builderForValue) {
+      if (approvalResultBuilder_ == null) {
+        approvalResult_ = builderForValue.build();
+        onChanged();
+      } else {
+        approvalResultBuilder_.setMessage(builderForValue.build());
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Approval decision and metadata.
+     * </pre>
+     *
+     * <code>.google.devtools.cloudbuild.v1.ApprovalResult approval_result = 2;</code>
+     */
+    public Builder mergeApprovalResult(com.google.cloudbuild.v1.ApprovalResult value) {
+      if (approvalResultBuilder_ == null) {
+        if (approvalResult_ != null) {
+          approvalResult_ =
+              com.google.cloudbuild.v1.ApprovalResult.newBuilder(approvalResult_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          approvalResult_ = value;
+        }
+        onChanged();
+      } else {
+        approvalResultBuilder_.mergeFrom(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Approval decision and metadata.
+     * </pre>
+     *
+     * <code>.google.devtools.cloudbuild.v1.ApprovalResult approval_result = 2;</code>
+     */
+    public Builder clearApprovalResult() {
+      if (approvalResultBuilder_ == null) {
+        approvalResult_ = null;
+        onChanged();
+      } else {
+        approvalResult_ = null;
+        approvalResultBuilder_ = null;
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Approval decision and metadata.
+     * </pre>
+     *
+     * <code>.google.devtools.cloudbuild.v1.ApprovalResult approval_result = 2;</code>
+     */
+    public com.google.cloudbuild.v1.ApprovalResult.Builder getApprovalResultBuilder() {
+
+      onChanged();
+      return getApprovalResultFieldBuilder().getBuilder();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Approval decision and metadata.
+     * </pre>
+     *
+     * <code>.google.devtools.cloudbuild.v1.ApprovalResult approval_result = 2;</code>
+     */
+    public com.google.cloudbuild.v1.ApprovalResultOrBuilder getApprovalResultOrBuilder() {
+      if (approvalResultBuilder_ != null) {
+        return approvalResultBuilder_.getMessageOrBuilder();
+      } else {
+        return approvalResult_ == null
+            ? com.google.cloudbuild.v1.ApprovalResult.getDefaultInstance()
+            : approvalResult_;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Approval decision and metadata.
+     * </pre>
+     *
+     * <code>.google.devtools.cloudbuild.v1.ApprovalResult approval_result = 2;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloudbuild.v1.ApprovalResult,
+            com.google.cloudbuild.v1.ApprovalResult.Builder,
+            com.google.cloudbuild.v1.ApprovalResultOrBuilder>
+        getApprovalResultFieldBuilder() {
+      if (approvalResultBuilder_ == null) {
+        approvalResultBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloudbuild.v1.ApprovalResult,
+                com.google.cloudbuild.v1.ApprovalResult.Builder,
+                com.google.cloudbuild.v1.ApprovalResultOrBuilder>(
+                getApprovalResult(), getParentForChildren(), isClean());
+        approvalResult_ = null;
+      }
+      return approvalResultBuilder_;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.devtools.cloudbuild.v1.ApproveBuildRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.devtools.cloudbuild.v1.ApproveBuildRequest)
+  private static final com.google.cloudbuild.v1.ApproveBuildRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloudbuild.v1.ApproveBuildRequest();
+  }
+
+  public static com.google.cloudbuild.v1.ApproveBuildRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ApproveBuildRequest> PARSER =
+      new com.google.protobuf.AbstractParser<ApproveBuildRequest>() {
+        @java.lang.Override
+        public ApproveBuildRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new ApproveBuildRequest(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<ApproveBuildRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ApproveBuildRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloudbuild.v1.ApproveBuildRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/ApproveBuildRequestOrBuilder.java b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/ApproveBuildRequestOrBuilder.java
new file mode 100644
index 00000000..7aa05486
--- /dev/null
+++ b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/ApproveBuildRequestOrBuilder.java
@@ -0,0 +1,87 @@
+/*
+ * Copyright 2020 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!
+// source: google/devtools/cloudbuild/v1/cloudbuild.proto
+
+package com.google.cloudbuild.v1;
+
+public interface ApproveBuildRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.devtools.cloudbuild.v1.ApproveBuildRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Name of the target build.
+   * For example: "projects/{$project_id}/builds/{$build_id}"
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The name.
+   */
+  java.lang.String getName();
+  /**
+   *
+   *
+   * <pre>
+   * Required. Name of the target build.
+   * For example: "projects/{$project_id}/builds/{$build_id}"
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString getNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Approval decision and metadata.
+   * </pre>
+   *
+   * <code>.google.devtools.cloudbuild.v1.ApprovalResult approval_result = 2;</code>
+   *
+   * @return Whether the approvalResult field is set.
+   */
+  boolean hasApprovalResult();
+  /**
+   *
+   *
+   * <pre>
+   * Approval decision and metadata.
+   * </pre>
+   *
+   * <code>.google.devtools.cloudbuild.v1.ApprovalResult approval_result = 2;</code>
+   *
+   * @return The approvalResult.
+   */
+  com.google.cloudbuild.v1.ApprovalResult getApprovalResult();
+  /**
+   *
+   *
+   * <pre>
+   * Approval decision and metadata.
+   * </pre>
+   *
+   * <code>.google.devtools.cloudbuild.v1.ApprovalResult approval_result = 2;</code>
+   */
+  com.google.cloudbuild.v1.ApprovalResultOrBuilder getApprovalResultOrBuilder();
+}
diff --git a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/Build.java b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/Build.java
index 46f5066b..8c430775 100644
--- a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/Build.java
+++ b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/Build.java
@@ -377,6 +377,22 @@ private Build(
               java.lang.String s = input.readStringRequireUtf8();
 
               serviceAccount_ = s;
+              break;
+            }
+          case 354:
+            {
+              com.google.cloudbuild.v1.BuildApproval.Builder subBuilder = null;
+              if (approval_ != null) {
+                subBuilder = approval_.toBuilder();
+              }
+              approval_ =
+                  input.readMessage(
+                      com.google.cloudbuild.v1.BuildApproval.parser(), extensionRegistry);
+              if (subBuilder != null) {
+                subBuilder.mergeFrom(approval_);
+                approval_ = subBuilder.buildPartial();
+              }
+
               break;
             }
           case 362:
@@ -509,6 +525,17 @@ public enum Status implements com.google.protobuf.ProtocolMessageEnum {
      * <code>STATUS_UNKNOWN = 0;</code>
      */
     STATUS_UNKNOWN(0),
+    /**
+     *
+     *
+     * <pre>
+     * Build has been created and is pending execution and queuing. It has not
+     * been queued.
+     * </pre>
+     *
+     * <code>PENDING = 10;</code>
+     */
+    PENDING(10),
     /**
      *
      *
@@ -602,6 +629,17 @@ public enum Status implements com.google.protobuf.ProtocolMessageEnum {
      * <code>STATUS_UNKNOWN = 0;</code>
      */
     public static final int STATUS_UNKNOWN_VALUE = 0;
+    /**
+     *
+     *
+     * <pre>
+     * Build has been created and is pending execution and queuing. It has not
+     * been queued.
+     * </pre>
+     *
+     * <code>PENDING = 10;</code>
+     */
+    public static final int PENDING_VALUE = 10;
     /**
      *
      *
@@ -709,6 +747,8 @@ public static Status forNumber(int value) {
       switch (value) {
         case 0:
           return STATUS_UNKNOWN;
+        case 10:
+          return PENDING;
         case 1:
           return QUEUED;
         case 2:
@@ -4319,6 +4359,63 @@ public com.google.cloudbuild.v1.TimeSpan getTimingOrThrow(java.lang.String key)
     return map.get(key);
   }
 
+  public static final int APPROVAL_FIELD_NUMBER = 44;
+  private com.google.cloudbuild.v1.BuildApproval approval_;
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Describes this build's approval configuration, status,
+   * and result.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.BuildApproval approval = 44 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the approval field is set.
+   */
+  @java.lang.Override
+  public boolean hasApproval() {
+    return approval_ != null;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Describes this build's approval configuration, status,
+   * and result.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.BuildApproval approval = 44 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The approval.
+   */
+  @java.lang.Override
+  public com.google.cloudbuild.v1.BuildApproval getApproval() {
+    return approval_ == null
+        ? com.google.cloudbuild.v1.BuildApproval.getDefaultInstance()
+        : approval_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Describes this build's approval configuration, status,
+   * and result.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.BuildApproval approval = 44 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloudbuild.v1.BuildApprovalOrBuilder getApprovalOrBuilder() {
+    return getApproval();
+  }
+
   public static final int SERVICE_ACCOUNT_FIELD_NUMBER = 42;
   private volatile java.lang.Object serviceAccount_;
   /**
@@ -4642,6 +4739,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (!getServiceAccountBytes().isEmpty()) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 42, serviceAccount_);
     }
+    if (approval_ != null) {
+      output.writeMessage(44, getApproval());
+    }
     if (!getNameBytes().isEmpty()) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 45, name_);
     }
@@ -4759,6 +4859,9 @@ public int getSerializedSize() {
     if (!getServiceAccountBytes().isEmpty()) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(42, serviceAccount_);
     }
+    if (approval_ != null) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(44, getApproval());
+    }
     if (!getNameBytes().isEmpty()) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(45, name_);
     }
@@ -4840,6 +4943,10 @@ public boolean equals(final java.lang.Object obj) {
     if (!getTagsList().equals(other.getTagsList())) return false;
     if (!getSecretsList().equals(other.getSecretsList())) return false;
     if (!internalGetTiming().equals(other.internalGetTiming())) return false;
+    if (hasApproval() != other.hasApproval()) return false;
+    if (hasApproval()) {
+      if (!getApproval().equals(other.getApproval())) return false;
+    }
     if (!getServiceAccount().equals(other.getServiceAccount())) return false;
     if (hasAvailableSecrets() != other.hasAvailableSecrets()) return false;
     if (hasAvailableSecrets()) {
@@ -4941,6 +5048,10 @@ public int hashCode() {
       hash = (37 * hash) + TIMING_FIELD_NUMBER;
       hash = (53 * hash) + internalGetTiming().hashCode();
     }
+    if (hasApproval()) {
+      hash = (37 * hash) + APPROVAL_FIELD_NUMBER;
+      hash = (53 * hash) + getApproval().hashCode();
+    }
     hash = (37 * hash) + SERVICE_ACCOUNT_FIELD_NUMBER;
     hash = (53 * hash) + getServiceAccount().hashCode();
     if (hasAvailableSecrets()) {
@@ -5234,6 +5345,12 @@ public Builder clear() {
         secretsBuilder_.clear();
       }
       internalGetMutableTiming().clear();
+      if (approvalBuilder_ == null) {
+        approval_ = null;
+      } else {
+        approval_ = null;
+        approvalBuilder_ = null;
+      }
       serviceAccount_ = "";
 
       if (availableSecretsBuilder_ == null) {
@@ -5371,6 +5488,11 @@ public com.google.cloudbuild.v1.Build buildPartial() {
       }
       result.timing_ = internalGetTiming();
       result.timing_.makeImmutable();
+      if (approvalBuilder_ == null) {
+        result.approval_ = approval_;
+      } else {
+        result.approval_ = approvalBuilder_.build();
+      }
       result.serviceAccount_ = serviceAccount_;
       if (availableSecretsBuilder_ == null) {
         result.availableSecrets_ = availableSecrets_;
@@ -5577,6 +5699,9 @@ public Builder mergeFrom(com.google.cloudbuild.v1.Build other) {
         }
       }
       internalGetMutableTiming().mergeFrom(other.internalGetTiming());
+      if (other.hasApproval()) {
+        mergeApproval(other.getApproval());
+      }
       if (!other.getServiceAccount().isEmpty()) {
         serviceAccount_ = other.serviceAccount_;
         onChanged();
@@ -10045,6 +10170,218 @@ public Builder putAllTiming(
       return this;
     }
 
+    private com.google.cloudbuild.v1.BuildApproval approval_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloudbuild.v1.BuildApproval,
+            com.google.cloudbuild.v1.BuildApproval.Builder,
+            com.google.cloudbuild.v1.BuildApprovalOrBuilder>
+        approvalBuilder_;
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Describes this build's approval configuration, status,
+     * and result.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.BuildApproval approval = 44 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the approval field is set.
+     */
+    public boolean hasApproval() {
+      return approvalBuilder_ != null || approval_ != null;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Describes this build's approval configuration, status,
+     * and result.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.BuildApproval approval = 44 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The approval.
+     */
+    public com.google.cloudbuild.v1.BuildApproval getApproval() {
+      if (approvalBuilder_ == null) {
+        return approval_ == null
+            ? com.google.cloudbuild.v1.BuildApproval.getDefaultInstance()
+            : approval_;
+      } else {
+        return approvalBuilder_.getMessage();
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Describes this build's approval configuration, status,
+     * and result.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.BuildApproval approval = 44 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setApproval(com.google.cloudbuild.v1.BuildApproval value) {
+      if (approvalBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        approval_ = value;
+        onChanged();
+      } else {
+        approvalBuilder_.setMessage(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Describes this build's approval configuration, status,
+     * and result.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.BuildApproval approval = 44 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setApproval(com.google.cloudbuild.v1.BuildApproval.Builder builderForValue) {
+      if (approvalBuilder_ == null) {
+        approval_ = builderForValue.build();
+        onChanged();
+      } else {
+        approvalBuilder_.setMessage(builderForValue.build());
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Describes this build's approval configuration, status,
+     * and result.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.BuildApproval approval = 44 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeApproval(com.google.cloudbuild.v1.BuildApproval value) {
+      if (approvalBuilder_ == null) {
+        if (approval_ != null) {
+          approval_ =
+              com.google.cloudbuild.v1.BuildApproval.newBuilder(approval_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          approval_ = value;
+        }
+        onChanged();
+      } else {
+        approvalBuilder_.mergeFrom(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Describes this build's approval configuration, status,
+     * and result.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.BuildApproval approval = 44 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearApproval() {
+      if (approvalBuilder_ == null) {
+        approval_ = null;
+        onChanged();
+      } else {
+        approval_ = null;
+        approvalBuilder_ = null;
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Describes this build's approval configuration, status,
+     * and result.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.BuildApproval approval = 44 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloudbuild.v1.BuildApproval.Builder getApprovalBuilder() {
+
+      onChanged();
+      return getApprovalFieldBuilder().getBuilder();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Describes this build's approval configuration, status,
+     * and result.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.BuildApproval approval = 44 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloudbuild.v1.BuildApprovalOrBuilder getApprovalOrBuilder() {
+      if (approvalBuilder_ != null) {
+        return approvalBuilder_.getMessageOrBuilder();
+      } else {
+        return approval_ == null
+            ? com.google.cloudbuild.v1.BuildApproval.getDefaultInstance()
+            : approval_;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Describes this build's approval configuration, status,
+     * and result.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.BuildApproval approval = 44 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloudbuild.v1.BuildApproval,
+            com.google.cloudbuild.v1.BuildApproval.Builder,
+            com.google.cloudbuild.v1.BuildApprovalOrBuilder>
+        getApprovalFieldBuilder() {
+      if (approvalBuilder_ == null) {
+        approvalBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloudbuild.v1.BuildApproval,
+                com.google.cloudbuild.v1.BuildApproval.Builder,
+                com.google.cloudbuild.v1.BuildApprovalOrBuilder>(
+                getApproval(), getParentForChildren(), isClean());
+        approval_ = null;
+      }
+      return approvalBuilder_;
+    }
+
     private java.lang.Object serviceAccount_ = "";
     /**
      *
diff --git a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildApproval.java b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildApproval.java
new file mode 100644
index 00000000..dc0c4734
--- /dev/null
+++ b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildApproval.java
@@ -0,0 +1,1419 @@
+/*
+ * Copyright 2020 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!
+// source: google/devtools/cloudbuild/v1/cloudbuild.proto
+
+package com.google.cloudbuild.v1;
+
+/**
+ *
+ *
+ * <pre>
+ * BuildApproval describes a build's approval configuration, state, and
+ * result.
+ * </pre>
+ *
+ * Protobuf type {@code google.devtools.cloudbuild.v1.BuildApproval}
+ */
+public final class BuildApproval extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.devtools.cloudbuild.v1.BuildApproval)
+    BuildApprovalOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use BuildApproval.newBuilder() to construct.
+  private BuildApproval(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private BuildApproval() {
+    state_ = 0;
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new BuildApproval();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private BuildApproval(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 8:
+            {
+              int rawValue = input.readEnum();
+
+              state_ = rawValue;
+              break;
+            }
+          case 18:
+            {
+              com.google.cloudbuild.v1.ApprovalConfig.Builder subBuilder = null;
+              if (config_ != null) {
+                subBuilder = config_.toBuilder();
+              }
+              config_ =
+                  input.readMessage(
+                      com.google.cloudbuild.v1.ApprovalConfig.parser(), extensionRegistry);
+              if (subBuilder != null) {
+                subBuilder.mergeFrom(config_);
+                config_ = subBuilder.buildPartial();
+              }
+
+              break;
+            }
+          case 26:
+            {
+              com.google.cloudbuild.v1.ApprovalResult.Builder subBuilder = null;
+              if (result_ != null) {
+                subBuilder = result_.toBuilder();
+              }
+              result_ =
+                  input.readMessage(
+                      com.google.cloudbuild.v1.ApprovalResult.parser(), extensionRegistry);
+              if (subBuilder != null) {
+                subBuilder.mergeFrom(result_);
+                result_ = subBuilder.buildPartial();
+              }
+
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloudbuild.v1.Cloudbuild
+        .internal_static_google_devtools_cloudbuild_v1_BuildApproval_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloudbuild.v1.Cloudbuild
+        .internal_static_google_devtools_cloudbuild_v1_BuildApproval_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloudbuild.v1.BuildApproval.class,
+            com.google.cloudbuild.v1.BuildApproval.Builder.class);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the current state of a build's approval.
+   * </pre>
+   *
+   * Protobuf enum {@code google.devtools.cloudbuild.v1.BuildApproval.State}
+   */
+  public enum State implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * Default enum type. This should not be used.
+     * </pre>
+     *
+     * <code>STATE_UNSPECIFIED = 0;</code>
+     */
+    STATE_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * Build approval is pending.
+     * </pre>
+     *
+     * <code>PENDING = 1;</code>
+     */
+    PENDING(1),
+    /**
+     *
+     *
+     * <pre>
+     * Build approval has been approved.
+     * </pre>
+     *
+     * <code>APPROVED = 2;</code>
+     */
+    APPROVED(2),
+    /**
+     *
+     *
+     * <pre>
+     * Build approval has been rejected.
+     * </pre>
+     *
+     * <code>REJECTED = 3;</code>
+     */
+    REJECTED(3),
+    /**
+     *
+     *
+     * <pre>
+     * Build was cancelled while it was still pending approval.
+     * </pre>
+     *
+     * <code>CANCELLED = 5;</code>
+     */
+    CANCELLED(5),
+    UNRECOGNIZED(-1),
+    ;
+
+    /**
+     *
+     *
+     * <pre>
+     * Default enum type. This should not be used.
+     * </pre>
+     *
+     * <code>STATE_UNSPECIFIED = 0;</code>
+     */
+    public static final int STATE_UNSPECIFIED_VALUE = 0;
+    /**
+     *
+     *
+     * <pre>
+     * Build approval is pending.
+     * </pre>
+     *
+     * <code>PENDING = 1;</code>
+     */
+    public static final int PENDING_VALUE = 1;
+    /**
+     *
+     *
+     * <pre>
+     * Build approval has been approved.
+     * </pre>
+     *
+     * <code>APPROVED = 2;</code>
+     */
+    public static final int APPROVED_VALUE = 2;
+    /**
+     *
+     *
+     * <pre>
+     * Build approval has been rejected.
+     * </pre>
+     *
+     * <code>REJECTED = 3;</code>
+     */
+    public static final int REJECTED_VALUE = 3;
+    /**
+     *
+     *
+     * <pre>
+     * Build was cancelled while it was still pending approval.
+     * </pre>
+     *
+     * <code>CANCELLED = 5;</code>
+     */
+    public static final int CANCELLED_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 State 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 State forNumber(int value) {
+      switch (value) {
+        case 0:
+          return STATE_UNSPECIFIED;
+        case 1:
+          return PENDING;
+        case 2:
+          return APPROVED;
+        case 3:
+          return REJECTED;
+        case 5:
+          return CANCELLED;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<State> internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<State> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap<State>() {
+          public State findValueByNumber(int number) {
+            return State.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 final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloudbuild.v1.BuildApproval.getDescriptor().getEnumTypes().get(0);
+    }
+
+    private static final State[] VALUES = values();
+
+    public static State 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 State(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.devtools.cloudbuild.v1.BuildApproval.State)
+  }
+
+  public static final int STATE_FIELD_NUMBER = 1;
+  private int state_;
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The state of this build's approval.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.BuildApproval.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for state.
+   */
+  @java.lang.Override
+  public int getStateValue() {
+    return state_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The state of this build's approval.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.BuildApproval.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The state.
+   */
+  @java.lang.Override
+  public com.google.cloudbuild.v1.BuildApproval.State getState() {
+    @SuppressWarnings("deprecation")
+    com.google.cloudbuild.v1.BuildApproval.State result =
+        com.google.cloudbuild.v1.BuildApproval.State.valueOf(state_);
+    return result == null ? com.google.cloudbuild.v1.BuildApproval.State.UNRECOGNIZED : result;
+  }
+
+  public static final int CONFIG_FIELD_NUMBER = 2;
+  private com.google.cloudbuild.v1.ApprovalConfig config_;
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Configuration for manual approval of this build.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.ApprovalConfig config = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the config field is set.
+   */
+  @java.lang.Override
+  public boolean hasConfig() {
+    return config_ != null;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Configuration for manual approval of this build.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.ApprovalConfig config = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The config.
+   */
+  @java.lang.Override
+  public com.google.cloudbuild.v1.ApprovalConfig getConfig() {
+    return config_ == null ? com.google.cloudbuild.v1.ApprovalConfig.getDefaultInstance() : config_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Configuration for manual approval of this build.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.ApprovalConfig config = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloudbuild.v1.ApprovalConfigOrBuilder getConfigOrBuilder() {
+    return getConfig();
+  }
+
+  public static final int RESULT_FIELD_NUMBER = 3;
+  private com.google.cloudbuild.v1.ApprovalResult result_;
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Result of manual approval for this Build.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.ApprovalResult result = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the result field is set.
+   */
+  @java.lang.Override
+  public boolean hasResult() {
+    return result_ != null;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Result of manual approval for this Build.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.ApprovalResult result = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The result.
+   */
+  @java.lang.Override
+  public com.google.cloudbuild.v1.ApprovalResult getResult() {
+    return result_ == null ? com.google.cloudbuild.v1.ApprovalResult.getDefaultInstance() : result_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Result of manual approval for this Build.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.ApprovalResult result = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloudbuild.v1.ApprovalResultOrBuilder getResultOrBuilder() {
+    return getResult();
+  }
+
+  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 (state_ != com.google.cloudbuild.v1.BuildApproval.State.STATE_UNSPECIFIED.getNumber()) {
+      output.writeEnum(1, state_);
+    }
+    if (config_ != null) {
+      output.writeMessage(2, getConfig());
+    }
+    if (result_ != null) {
+      output.writeMessage(3, getResult());
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (state_ != com.google.cloudbuild.v1.BuildApproval.State.STATE_UNSPECIFIED.getNumber()) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(1, state_);
+    }
+    if (config_ != null) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getConfig());
+    }
+    if (result_ != null) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getResult());
+    }
+    size += unknownFields.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.cloudbuild.v1.BuildApproval)) {
+      return super.equals(obj);
+    }
+    com.google.cloudbuild.v1.BuildApproval other = (com.google.cloudbuild.v1.BuildApproval) obj;
+
+    if (state_ != other.state_) return false;
+    if (hasConfig() != other.hasConfig()) return false;
+    if (hasConfig()) {
+      if (!getConfig().equals(other.getConfig())) return false;
+    }
+    if (hasResult() != other.hasResult()) return false;
+    if (hasResult()) {
+      if (!getResult().equals(other.getResult())) return false;
+    }
+    if (!unknownFields.equals(other.unknownFields)) 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) + STATE_FIELD_NUMBER;
+    hash = (53 * hash) + state_;
+    if (hasConfig()) {
+      hash = (37 * hash) + CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getConfig().hashCode();
+    }
+    if (hasResult()) {
+      hash = (37 * hash) + RESULT_FIELD_NUMBER;
+      hash = (53 * hash) + getResult().hashCode();
+    }
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloudbuild.v1.BuildApproval parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloudbuild.v1.BuildApproval parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.BuildApproval parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloudbuild.v1.BuildApproval 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.cloudbuild.v1.BuildApproval parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloudbuild.v1.BuildApproval parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.BuildApproval parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloudbuild.v1.BuildApproval parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.BuildApproval parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloudbuild.v1.BuildApproval parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloudbuild.v1.BuildApproval parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloudbuild.v1.BuildApproval parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.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.cloudbuild.v1.BuildApproval 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.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * BuildApproval describes a build's approval configuration, state, and
+   * result.
+   * </pre>
+   *
+   * Protobuf type {@code google.devtools.cloudbuild.v1.BuildApproval}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.devtools.cloudbuild.v1.BuildApproval)
+      com.google.cloudbuild.v1.BuildApprovalOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloudbuild.v1.Cloudbuild
+          .internal_static_google_devtools_cloudbuild_v1_BuildApproval_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloudbuild.v1.Cloudbuild
+          .internal_static_google_devtools_cloudbuild_v1_BuildApproval_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloudbuild.v1.BuildApproval.class,
+              com.google.cloudbuild.v1.BuildApproval.Builder.class);
+    }
+
+    // Construct using com.google.cloudbuild.v1.BuildApproval.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      state_ = 0;
+
+      if (configBuilder_ == null) {
+        config_ = null;
+      } else {
+        config_ = null;
+        configBuilder_ = null;
+      }
+      if (resultBuilder_ == null) {
+        result_ = null;
+      } else {
+        result_ = null;
+        resultBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloudbuild.v1.Cloudbuild
+          .internal_static_google_devtools_cloudbuild_v1_BuildApproval_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloudbuild.v1.BuildApproval getDefaultInstanceForType() {
+      return com.google.cloudbuild.v1.BuildApproval.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloudbuild.v1.BuildApproval build() {
+      com.google.cloudbuild.v1.BuildApproval result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloudbuild.v1.BuildApproval buildPartial() {
+      com.google.cloudbuild.v1.BuildApproval result =
+          new com.google.cloudbuild.v1.BuildApproval(this);
+      result.state_ = state_;
+      if (configBuilder_ == null) {
+        result.config_ = config_;
+      } else {
+        result.config_ = configBuilder_.build();
+      }
+      if (resultBuilder_ == null) {
+        result.result_ = result_;
+      } else {
+        result.result_ = resultBuilder_.build();
+      }
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.setField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+
+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloudbuild.v1.BuildApproval) {
+        return mergeFrom((com.google.cloudbuild.v1.BuildApproval) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloudbuild.v1.BuildApproval other) {
+      if (other == com.google.cloudbuild.v1.BuildApproval.getDefaultInstance()) return this;
+      if (other.state_ != 0) {
+        setStateValue(other.getStateValue());
+      }
+      if (other.hasConfig()) {
+        mergeConfig(other.getConfig());
+      }
+      if (other.hasResult()) {
+        mergeResult(other.getResult());
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      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 {
+      com.google.cloudbuild.v1.BuildApproval parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage = (com.google.cloudbuild.v1.BuildApproval) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private int state_ = 0;
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The state of this build's approval.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.BuildApproval.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for state.
+     */
+    @java.lang.Override
+    public int getStateValue() {
+      return state_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The state of this build's approval.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.BuildApproval.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The enum numeric value on the wire for state to set.
+     * @return This builder for chaining.
+     */
+    public Builder setStateValue(int value) {
+
+      state_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The state of this build's approval.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.BuildApproval.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The state.
+     */
+    @java.lang.Override
+    public com.google.cloudbuild.v1.BuildApproval.State getState() {
+      @SuppressWarnings("deprecation")
+      com.google.cloudbuild.v1.BuildApproval.State result =
+          com.google.cloudbuild.v1.BuildApproval.State.valueOf(state_);
+      return result == null ? com.google.cloudbuild.v1.BuildApproval.State.UNRECOGNIZED : result;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The state of this build's approval.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.BuildApproval.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The state to set.
+     * @return This builder for chaining.
+     */
+    public Builder setState(com.google.cloudbuild.v1.BuildApproval.State value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      state_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The state of this build's approval.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.BuildApproval.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearState() {
+
+      state_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private com.google.cloudbuild.v1.ApprovalConfig config_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloudbuild.v1.ApprovalConfig,
+            com.google.cloudbuild.v1.ApprovalConfig.Builder,
+            com.google.cloudbuild.v1.ApprovalConfigOrBuilder>
+        configBuilder_;
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Configuration for manual approval of this build.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalConfig config = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the config field is set.
+     */
+    public boolean hasConfig() {
+      return configBuilder_ != null || config_ != null;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Configuration for manual approval of this build.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalConfig config = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The config.
+     */
+    public com.google.cloudbuild.v1.ApprovalConfig getConfig() {
+      if (configBuilder_ == null) {
+        return config_ == null
+            ? com.google.cloudbuild.v1.ApprovalConfig.getDefaultInstance()
+            : config_;
+      } else {
+        return configBuilder_.getMessage();
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Configuration for manual approval of this build.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalConfig config = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setConfig(com.google.cloudbuild.v1.ApprovalConfig value) {
+      if (configBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        config_ = value;
+        onChanged();
+      } else {
+        configBuilder_.setMessage(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Configuration for manual approval of this build.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalConfig config = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setConfig(com.google.cloudbuild.v1.ApprovalConfig.Builder builderForValue) {
+      if (configBuilder_ == null) {
+        config_ = builderForValue.build();
+        onChanged();
+      } else {
+        configBuilder_.setMessage(builderForValue.build());
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Configuration for manual approval of this build.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalConfig config = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeConfig(com.google.cloudbuild.v1.ApprovalConfig value) {
+      if (configBuilder_ == null) {
+        if (config_ != null) {
+          config_ =
+              com.google.cloudbuild.v1.ApprovalConfig.newBuilder(config_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          config_ = value;
+        }
+        onChanged();
+      } else {
+        configBuilder_.mergeFrom(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Configuration for manual approval of this build.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalConfig config = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearConfig() {
+      if (configBuilder_ == null) {
+        config_ = null;
+        onChanged();
+      } else {
+        config_ = null;
+        configBuilder_ = null;
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Configuration for manual approval of this build.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalConfig config = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloudbuild.v1.ApprovalConfig.Builder getConfigBuilder() {
+
+      onChanged();
+      return getConfigFieldBuilder().getBuilder();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Configuration for manual approval of this build.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalConfig config = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloudbuild.v1.ApprovalConfigOrBuilder getConfigOrBuilder() {
+      if (configBuilder_ != null) {
+        return configBuilder_.getMessageOrBuilder();
+      } else {
+        return config_ == null
+            ? com.google.cloudbuild.v1.ApprovalConfig.getDefaultInstance()
+            : config_;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Configuration for manual approval of this build.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalConfig config = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloudbuild.v1.ApprovalConfig,
+            com.google.cloudbuild.v1.ApprovalConfig.Builder,
+            com.google.cloudbuild.v1.ApprovalConfigOrBuilder>
+        getConfigFieldBuilder() {
+      if (configBuilder_ == null) {
+        configBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloudbuild.v1.ApprovalConfig,
+                com.google.cloudbuild.v1.ApprovalConfig.Builder,
+                com.google.cloudbuild.v1.ApprovalConfigOrBuilder>(
+                getConfig(), getParentForChildren(), isClean());
+        config_ = null;
+      }
+      return configBuilder_;
+    }
+
+    private com.google.cloudbuild.v1.ApprovalResult result_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloudbuild.v1.ApprovalResult,
+            com.google.cloudbuild.v1.ApprovalResult.Builder,
+            com.google.cloudbuild.v1.ApprovalResultOrBuilder>
+        resultBuilder_;
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Result of manual approval for this Build.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalResult result = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the result field is set.
+     */
+    public boolean hasResult() {
+      return resultBuilder_ != null || result_ != null;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Result of manual approval for this Build.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalResult result = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The result.
+     */
+    public com.google.cloudbuild.v1.ApprovalResult getResult() {
+      if (resultBuilder_ == null) {
+        return result_ == null
+            ? com.google.cloudbuild.v1.ApprovalResult.getDefaultInstance()
+            : result_;
+      } else {
+        return resultBuilder_.getMessage();
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Result of manual approval for this Build.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalResult result = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setResult(com.google.cloudbuild.v1.ApprovalResult value) {
+      if (resultBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        result_ = value;
+        onChanged();
+      } else {
+        resultBuilder_.setMessage(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Result of manual approval for this Build.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalResult result = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setResult(com.google.cloudbuild.v1.ApprovalResult.Builder builderForValue) {
+      if (resultBuilder_ == null) {
+        result_ = builderForValue.build();
+        onChanged();
+      } else {
+        resultBuilder_.setMessage(builderForValue.build());
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Result of manual approval for this Build.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalResult result = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeResult(com.google.cloudbuild.v1.ApprovalResult value) {
+      if (resultBuilder_ == null) {
+        if (result_ != null) {
+          result_ =
+              com.google.cloudbuild.v1.ApprovalResult.newBuilder(result_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          result_ = value;
+        }
+        onChanged();
+      } else {
+        resultBuilder_.mergeFrom(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Result of manual approval for this Build.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalResult result = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearResult() {
+      if (resultBuilder_ == null) {
+        result_ = null;
+        onChanged();
+      } else {
+        result_ = null;
+        resultBuilder_ = null;
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Result of manual approval for this Build.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalResult result = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloudbuild.v1.ApprovalResult.Builder getResultBuilder() {
+
+      onChanged();
+      return getResultFieldBuilder().getBuilder();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Result of manual approval for this Build.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalResult result = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloudbuild.v1.ApprovalResultOrBuilder getResultOrBuilder() {
+      if (resultBuilder_ != null) {
+        return resultBuilder_.getMessageOrBuilder();
+      } else {
+        return result_ == null
+            ? com.google.cloudbuild.v1.ApprovalResult.getDefaultInstance()
+            : result_;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Result of manual approval for this Build.
+     * </pre>
+     *
+     * <code>
+     * .google.devtools.cloudbuild.v1.ApprovalResult result = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloudbuild.v1.ApprovalResult,
+            com.google.cloudbuild.v1.ApprovalResult.Builder,
+            com.google.cloudbuild.v1.ApprovalResultOrBuilder>
+        getResultFieldBuilder() {
+      if (resultBuilder_ == null) {
+        resultBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloudbuild.v1.ApprovalResult,
+                com.google.cloudbuild.v1.ApprovalResult.Builder,
+                com.google.cloudbuild.v1.ApprovalResultOrBuilder>(
+                getResult(), getParentForChildren(), isClean());
+        result_ = null;
+      }
+      return resultBuilder_;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.devtools.cloudbuild.v1.BuildApproval)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.devtools.cloudbuild.v1.BuildApproval)
+  private static final com.google.cloudbuild.v1.BuildApproval DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloudbuild.v1.BuildApproval();
+  }
+
+  public static com.google.cloudbuild.v1.BuildApproval getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<BuildApproval> PARSER =
+      new com.google.protobuf.AbstractParser<BuildApproval>() {
+        @java.lang.Override
+        public BuildApproval parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new BuildApproval(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<BuildApproval> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<BuildApproval> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloudbuild.v1.BuildApproval getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildApprovalOrBuilder.java b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildApprovalOrBuilder.java
new file mode 100644
index 00000000..15ed1012
--- /dev/null
+++ b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildApprovalOrBuilder.java
@@ -0,0 +1,136 @@
+/*
+ * Copyright 2020 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!
+// source: google/devtools/cloudbuild/v1/cloudbuild.proto
+
+package com.google.cloudbuild.v1;
+
+public interface BuildApprovalOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.devtools.cloudbuild.v1.BuildApproval)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The state of this build's approval.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.BuildApproval.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for state.
+   */
+  int getStateValue();
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The state of this build's approval.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.BuildApproval.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The state.
+   */
+  com.google.cloudbuild.v1.BuildApproval.State getState();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Configuration for manual approval of this build.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.ApprovalConfig config = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the config field is set.
+   */
+  boolean hasConfig();
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Configuration for manual approval of this build.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.ApprovalConfig config = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The config.
+   */
+  com.google.cloudbuild.v1.ApprovalConfig getConfig();
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Configuration for manual approval of this build.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.ApprovalConfig config = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloudbuild.v1.ApprovalConfigOrBuilder getConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Result of manual approval for this Build.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.ApprovalResult result = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the result field is set.
+   */
+  boolean hasResult();
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Result of manual approval for this Build.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.ApprovalResult result = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The result.
+   */
+  com.google.cloudbuild.v1.ApprovalResult getResult();
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Result of manual approval for this Build.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.ApprovalResult result = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloudbuild.v1.ApprovalResultOrBuilder getResultOrBuilder();
+}
diff --git a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildOrBuilder.java b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildOrBuilder.java
index acc42d34..b08d004f 100644
--- a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildOrBuilder.java
+++ b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildOrBuilder.java
@@ -1042,6 +1042,50 @@ com.google.cloudbuild.v1.TimeSpan getTimingOrDefault(
    */
   com.google.cloudbuild.v1.TimeSpan getTimingOrThrow(java.lang.String key);
 
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Describes this build's approval configuration, status,
+   * and result.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.BuildApproval approval = 44 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the approval field is set.
+   */
+  boolean hasApproval();
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Describes this build's approval configuration, status,
+   * and result.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.BuildApproval approval = 44 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The approval.
+   */
+  com.google.cloudbuild.v1.BuildApproval getApproval();
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Describes this build's approval configuration, status,
+   * and result.
+   * </pre>
+   *
+   * <code>
+   * .google.devtools.cloudbuild.v1.BuildApproval approval = 44 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloudbuild.v1.BuildApprovalOrBuilder getApprovalOrBuilder();
+
   /**
    *
    *
diff --git a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/Cloudbuild.java b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/Cloudbuild.java
index c2741339..e4b5dfac 100644
--- a/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/Cloudbuild.java
+++ b/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/Cloudbuild.java
@@ -171,6 +171,22 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_devtools_cloudbuild_v1_CancelBuildRequest_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internal_static_google_devtools_cloudbuild_v1_CancelBuildRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_devtools_cloudbuild_v1_ApproveBuildRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_devtools_cloudbuild_v1_ApproveBuildRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_devtools_cloudbuild_v1_BuildApproval_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_devtools_cloudbuild_v1_BuildApproval_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_devtools_cloudbuild_v1_ApprovalConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_devtools_cloudbuild_v1_ApprovalConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_devtools_cloudbuild_v1_ApprovalResult_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_devtools_cloudbuild_v1_ApprovalResult_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_devtools_cloudbuild_v1_BuildTrigger_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
@@ -361,7 +377,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "ifact_timing\030\007 \001(\0132\'.google.devtools.clo"
           + "udbuild.v1.TimeSpan\"`\n\016ArtifactResult\022\020\n"
           + "\010location\030\001 \001(\t\022<\n\tfile_hash\030\002 \003(\0132).goo"
-          + "gle.devtools.cloudbuild.v1.FileHashes\"\316\021"
+          + "gle.devtools.cloudbuild.v1.FileHashes\"\240\022"
           + "\n\005Build\022\021\n\004name\030- \001(\tB\003\340A\003\022\017\n\002id\030\001 \001(\tB\003"
           + "\340A\003\022\027\n\nproject_id\030\020 \001(\tB\003\340A\003\022@\n\006status\030\002"
           + " \001(\0162+.google.devtools.cloudbuild.v1.Bui"
@@ -389,401 +405,428 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "y\022\014\n\004tags\030\037 \003(\t\0226\n\007secrets\030  \003(\0132%.googl"
           + "e.devtools.cloudbuild.v1.Secret\022E\n\006timin"
           + "g\030! \003(\01320.google.devtools.cloudbuild.v1."
-          + "Build.TimingEntryB\003\340A\003\022?\n\017service_accoun"
-          + "t\030* \001(\tB&\372A#\n!iam.googleapis.com/Service"
-          + "Account\022A\n\021available_secrets\030/ \001(\0132&.goo"
-          + "gle.devtools.cloudbuild.v1.Secrets\022C\n\010wa"
-          + "rnings\0301 \003(\0132,.google.devtools.cloudbuil"
-          + "d.v1.Build.WarningB\003\340A\003\022K\n\014failure_info\030"
-          + "3 \001(\01320.google.devtools.cloudbuild.v1.Bu"
-          + "ild.FailureInfoB\003\340A\003\032\250\001\n\007Warning\022\014\n\004text"
-          + "\030\001 \001(\t\022G\n\010priority\030\002 \001(\01625.google.devtoo"
-          + "ls.cloudbuild.v1.Build.Warning.Priority\""
-          + "F\n\010Priority\022\030\n\024PRIORITY_UNSPECIFIED\020\000\022\010\n"
-          + "\004INFO\020\001\022\013\n\007WARNING\020\002\022\t\n\005ALERT\020\003\032\236\002\n\013Fail"
-          + "ureInfo\022J\n\004type\030\001 \001(\0162<.google.devtools."
-          + "cloudbuild.v1.Build.FailureInfo.FailureT"
-          + "ype\022\016\n\006detail\030\002 \001(\t\"\262\001\n\013FailureType\022\034\n\030F"
-          + "AILURE_TYPE_UNSPECIFIED\020\000\022\017\n\013PUSH_FAILED"
-          + "\020\001\022\030\n\024PUSH_IMAGE_NOT_FOUND\020\002\022\027\n\023PUSH_NOT"
-          + "_AUTHORIZED\020\003\022\023\n\017LOGGING_FAILURE\020\004\022\023\n\017US"
-          + "ER_BUILD_STEP\020\005\022\027\n\023FETCH_SOURCE_FAILED\020\006"
-          + "\0324\n\022SubstitutionsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005v"
-          + "alue\030\002 \001(\t:\0028\001\032V\n\013TimingEntry\022\013\n\003key\030\001 \001"
-          + "(\t\0226\n\005value\030\002 \001(\0132\'.google.devtools.clou"
-          + "dbuild.v1.TimeSpan:\0028\001\"\214\001\n\006Status\022\022\n\016STA"
-          + "TUS_UNKNOWN\020\000\022\n\n\006QUEUED\020\001\022\013\n\007WORKING\020\002\022\013"
-          + "\n\007SUCCESS\020\003\022\013\n\007FAILURE\020\004\022\022\n\016INTERNAL_ERR"
-          + "OR\020\005\022\013\n\007TIMEOUT\020\006\022\r\n\tCANCELLED\020\007\022\013\n\007EXPI"
-          + "RED\020\t:\177\352A|\n\037cloudbuild.googleapis.com/Bu"
-          + "ild\022!projects/{project}/builds/{build}\0226"
-          + "projects/{project}/locations/{location}/"
-          + "builds/{build}\"\330\001\n\tArtifacts\022\016\n\006images\030\001"
-          + " \003(\t\022I\n\007objects\030\002 \001(\01328.google.devtools."
-          + "cloudbuild.v1.Artifacts.ArtifactObjects\032"
-          + "p\n\017ArtifactObjects\022\020\n\010location\030\001 \001(\t\022\r\n\005"
-          + "paths\030\002 \003(\t\022<\n\006timing\030\003 \001(\0132\'.google.dev"
-          + "tools.cloudbuild.v1.TimeSpanB\003\340A\003\"h\n\010Tim"
-          + "eSpan\022.\n\nstart_time\030\001 \001(\0132\032.google.proto"
-          + "buf.Timestamp\022,\n\010end_time\030\002 \001(\0132\032.google"
-          + ".protobuf.Timestamp\"M\n\026BuildOperationMet"
-          + "adata\0223\n\005build\030\001 \001(\0132$.google.devtools.c"
-          + "loudbuild.v1.Build\"\303\003\n\020SourceProvenance\022"
-          + "M\n\027resolved_storage_source\030\003 \001(\0132,.googl"
-          + "e.devtools.cloudbuild.v1.StorageSource\022G"
-          + "\n\024resolved_repo_source\030\006 \001(\0132).google.de"
-          + "vtools.cloudbuild.v1.RepoSource\022^\n resol"
-          + "ved_storage_source_manifest\030\t \001(\01324.goog"
-          + "le.devtools.cloudbuild.v1.StorageSourceM"
-          + "anifest\022Y\n\013file_hashes\030\004 \003(\0132?.google.de"
-          + "vtools.cloudbuild.v1.SourceProvenance.Fi"
-          + "leHashesEntryB\003\340A\003\032\\\n\017FileHashesEntry\022\013\n"
-          + "\003key\030\001 \001(\t\0228\n\005value\030\002 \001(\0132).google.devto"
-          + "ols.cloudbuild.v1.FileHashes:\0028\001\"D\n\nFile"
-          + "Hashes\0226\n\tfile_hash\030\001 \003(\0132#.google.devto"
-          + "ols.cloudbuild.v1.Hash\"|\n\004Hash\022:\n\004type\030\001"
-          + " \001(\0162,.google.devtools.cloudbuild.v1.Has"
-          + "h.HashType\022\r\n\005value\030\002 \001(\014\")\n\010HashType\022\010\n"
-          + "\004NONE\020\000\022\n\n\006SHA256\020\001\022\007\n\003MD5\020\002\"\222\001\n\007Secrets"
-          + "\022J\n\016secret_manager\030\001 \003(\01322.google.devtoo"
-          + "ls.cloudbuild.v1.SecretManagerSecret\022;\n\006"
-          + "inline\030\002 \003(\0132+.google.devtools.cloudbuil"
-          + "d.v1.InlineSecret\"\305\001\n\014InlineSecret\022<\n\014km"
-          + "s_key_name\030\001 \001(\tB&\372A#\n!cloudkms.googleap"
-          + "is.com/CryptoKey\022H\n\007env_map\030\002 \003(\01327.goog"
-          + "le.devtools.cloudbuild.v1.InlineSecret.E"
-          + "nvMapEntry\032-\n\013EnvMapEntry\022\013\n\003key\030\001 \001(\t\022\r"
-          + "\n\005value\030\002 \001(\014:\0028\001\"i\n\023SecretManagerSecret"
-          + "\022E\n\014version_name\030\001 \001(\tB/\372A,\n*secretmanag"
-          + "er.googleapis.com/SecretVersion\022\013\n\003env\030\002"
-          + " \001(\t\"\232\001\n\006Secret\022\024\n\014kms_key_name\030\001 \001(\t\022H\n"
-          + "\nsecret_env\030\003 \003(\01324.google.devtools.clou"
-          + "dbuild.v1.Secret.SecretEnvEntry\0320\n\016Secre"
-          + "tEnvEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\014:\0028"
-          + "\001\"\235\001\n\022CreateBuildRequest\0224\n\006parent\030\004 \001(\t"
-          + "B$\372A!\022\037cloudbuild.googleapis.com/Build\022\027"
-          + "\n\nproject_id\030\001 \001(\tB\003\340A\002\0228\n\005build\030\002 \001(\0132$"
-          + ".google.devtools.cloudbuild.v1.BuildB\003\340A"
-          + "\002\"o\n\017GetBuildRequest\0222\n\004name\030\004 \001(\tB$\372A!\n"
+          + "Build.TimingEntryB\003\340A\003\022C\n\010approval\030, \001(\013"
+          + "2,.google.devtools.cloudbuild.v1.BuildAp"
+          + "provalB\003\340A\003\022?\n\017service_account\030* \001(\tB&\372A"
+          + "#\n!iam.googleapis.com/ServiceAccount\022A\n\021"
+          + "available_secrets\030/ \001(\0132&.google.devtool"
+          + "s.cloudbuild.v1.Secrets\022C\n\010warnings\0301 \003("
+          + "\0132,.google.devtools.cloudbuild.v1.Build."
+          + "WarningB\003\340A\003\022K\n\014failure_info\0303 \001(\01320.goo"
+          + "gle.devtools.cloudbuild.v1.Build.Failure"
+          + "InfoB\003\340A\003\032\250\001\n\007Warning\022\014\n\004text\030\001 \001(\t\022G\n\010p"
+          + "riority\030\002 \001(\01625.google.devtools.cloudbui"
+          + "ld.v1.Build.Warning.Priority\"F\n\010Priority"
+          + "\022\030\n\024PRIORITY_UNSPECIFIED\020\000\022\010\n\004INFO\020\001\022\013\n\007"
+          + "WARNING\020\002\022\t\n\005ALERT\020\003\032\236\002\n\013FailureInfo\022J\n\004"
+          + "type\030\001 \001(\0162<.google.devtools.cloudbuild."
+          + "v1.Build.FailureInfo.FailureType\022\016\n\006deta"
+          + "il\030\002 \001(\t\"\262\001\n\013FailureType\022\034\n\030FAILURE_TYPE"
+          + "_UNSPECIFIED\020\000\022\017\n\013PUSH_FAILED\020\001\022\030\n\024PUSH_"
+          + "IMAGE_NOT_FOUND\020\002\022\027\n\023PUSH_NOT_AUTHORIZED"
+          + "\020\003\022\023\n\017LOGGING_FAILURE\020\004\022\023\n\017USER_BUILD_ST"
+          + "EP\020\005\022\027\n\023FETCH_SOURCE_FAILED\020\006\0324\n\022Substit"
+          + "utionsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:"
+          + "\0028\001\032V\n\013TimingEntry\022\013\n\003key\030\001 \001(\t\0226\n\005value"
+          + "\030\002 \001(\0132\'.google.devtools.cloudbuild.v1.T"
+          + "imeSpan:\0028\001\"\231\001\n\006Status\022\022\n\016STATUS_UNKNOWN"
+          + "\020\000\022\013\n\007PENDING\020\n\022\n\n\006QUEUED\020\001\022\013\n\007WORKING\020\002"
+          + "\022\013\n\007SUCCESS\020\003\022\013\n\007FAILURE\020\004\022\022\n\016INTERNAL_E"
+          + "RROR\020\005\022\013\n\007TIMEOUT\020\006\022\r\n\tCANCELLED\020\007\022\013\n\007EX"
+          + "PIRED\020\t:\177\352A|\n\037cloudbuild.googleapis.com/"
+          + "Build\022!projects/{project}/builds/{build}"
+          + "\0226projects/{project}/locations/{location"
+          + "}/builds/{build}\"\330\001\n\tArtifacts\022\016\n\006images"
+          + "\030\001 \003(\t\022I\n\007objects\030\002 \001(\01328.google.devtool"
+          + "s.cloudbuild.v1.Artifacts.ArtifactObject"
+          + "s\032p\n\017ArtifactObjects\022\020\n\010location\030\001 \001(\t\022\r"
+          + "\n\005paths\030\002 \003(\t\022<\n\006timing\030\003 \001(\0132\'.google.d"
+          + "evtools.cloudbuild.v1.TimeSpanB\003\340A\003\"h\n\010T"
+          + "imeSpan\022.\n\nstart_time\030\001 \001(\0132\032.google.pro"
+          + "tobuf.Timestamp\022,\n\010end_time\030\002 \001(\0132\032.goog"
+          + "le.protobuf.Timestamp\"M\n\026BuildOperationM"
+          + "etadata\0223\n\005build\030\001 \001(\0132$.google.devtools"
+          + ".cloudbuild.v1.Build\"\303\003\n\020SourceProvenanc"
+          + "e\022M\n\027resolved_storage_source\030\003 \001(\0132,.goo"
+          + "gle.devtools.cloudbuild.v1.StorageSource"
+          + "\022G\n\024resolved_repo_source\030\006 \001(\0132).google."
+          + "devtools.cloudbuild.v1.RepoSource\022^\n res"
+          + "olved_storage_source_manifest\030\t \001(\01324.go"
+          + "ogle.devtools.cloudbuild.v1.StorageSourc"
+          + "eManifest\022Y\n\013file_hashes\030\004 \003(\0132?.google."
+          + "devtools.cloudbuild.v1.SourceProvenance."
+          + "FileHashesEntryB\003\340A\003\032\\\n\017FileHashesEntry\022"
+          + "\013\n\003key\030\001 \001(\t\0228\n\005value\030\002 \001(\0132).google.dev"
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+          + "leHashes\0226\n\tfile_hash\030\001 \003(\0132#.google.dev"
+          + "tools.cloudbuild.v1.Hash\"|\n\004Hash\022:\n\004type"
+          + "\030\001 \001(\0162,.google.devtools.cloudbuild.v1.H"
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+          + "ts\022J\n\016secret_manager\030\001 \003(\01322.google.devt"
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+          + "\n\006inline\030\002 \003(\0132+.google.devtools.cloudbu"
+          + "ild.v1.InlineSecret\"\305\001\n\014InlineSecret\022<\n\014"
+          + "kms_key_name\030\001 \001(\tB&\372A#\n!cloudkms.google"
+          + "apis.com/CryptoKey\022H\n\007env_map\030\002 \003(\01327.go"
+          + "ogle.devtools.cloudbuild.v1.InlineSecret"
+          + ".EnvMapEntry\032-\n\013EnvMapEntry\022\013\n\003key\030\001 \001(\t"
+          + "\022\r\n\005value\030\002 \001(\014:\0028\001\"i\n\023SecretManagerSecr"
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+          + "\0028\001\"\235\001\n\022CreateBuildRequest\0224\n\006parent\030\004 \001"
+          + "(\tB$\372A!\022\037cloudbuild.googleapis.com/Build"
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+          + "!\n\037cloudbuild.googleapis.com/Build\022\027\n\npr"
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+          + "\021ListBuildsRequest\0224\n\006parent\030\t \001(\tB$\372A!\022"
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+          + "ildsResponse\"j\202\323\344\223\002P\022 /v1/projects/{proj"
+          + "ect_id}/buildsZ,\022*/v1/{parent=projects/*"
+          + "/locations/*}/builds\332A\021project_id,filter"
+          + "\022\347\001\n\013CancelBuild\0221.google.devtools.cloud"
+          + "build.v1.CancelBuildRequest\032$.google.dev"
+          + "tools.cloudbuild.v1.Build\"\177\202\323\344\223\002i\",/v1/p"
+          + "rojects/{project_id}/builds/{id}:cancel:"
+          + "\001*Z6\"1/v1/{name=projects/*/locations/*/b"
+          + "uilds/*}:cancel:\001*\332A\rproject_id,id\022\377\001\n\nR"
+          + "etryBuild\0220.google.devtools.cloudbuild.v"
+          + "1.RetryBuildRequest\032\035.google.longrunning"
+          + ".Operation\"\237\001\202\323\344\223\002g\"+/v1/projects/{proje",
+      "ct_id}/builds/{id}:retry:\001*Z5\"0/v1/{name"
+          + "=projects/*/locations/*/builds/*}:retry:"
+          + "\001*\332A\rproject_id,id\312A\037\n\005Build\022\026BuildOpera"
+          + "tionMetadata\022\207\002\n\014ApproveBuild\0222.google.d"
+          + "evtools.cloudbuild.v1.ApproveBuildReques"
+          + "t\032\035.google.longrunning.Operation\"\243\001\202\323\344\223\002"
+          + "d\"&/v1/{name=projects/*/builds/*}:approv"
+          + "e:\001*Z7\"2/v1/{name=projects/*/locations/*"
+          + "/builds/*}:approve:\001*\332A\024name,approval_re"
+          + "sult\312A\037\n\005Build\022\026BuildOperationMetadata\022\377"
+          + "\001\n\022CreateBuildTrigger\0228.google.devtools."
+          + "cloudbuild.v1.CreateBuildTriggerRequest\032"
+          + "+.google.devtools.cloudbuild.v1.BuildTri"
+          + "gger\"\201\001\202\323\344\223\002f\"\"/v1/projects/{project_id}"
+          + "/triggers:\007triggerZ7\",/v1/{parent=projec"
+          + "ts/*/locations/*}/triggers:\007trigger\332A\022pr"
+          + "oject_id,trigger\022\366\001\n\017GetBuildTrigger\0225.g"
+          + "oogle.devtools.cloudbuild.v1.GetBuildTri"
+          + "ggerRequest\032+.google.devtools.cloudbuild"
+          + ".v1.BuildTrigger\"\177\202\323\344\223\002a\022//v1/projects/{"
+          + "project_id}/triggers/{trigger_id}Z.\022,/v1"
+          + "/{name=projects/*/locations/*/triggers/*"
+          + "}\332A\025project_id,trigger_id\022\357\001\n\021ListBuildT"
+          + "riggers\0227.google.devtools.cloudbuild.v1."
+          + "ListBuildTriggersRequest\0328.google.devtoo"
+          + "ls.cloudbuild.v1.ListBuildTriggersRespon"
+          + "se\"g\202\323\344\223\002T\022\"/v1/projects/{project_id}/tr"
+          + "iggersZ.\022,/v1/{parent=projects/*/locatio"
+          + "ns/*}/triggers\332A\nproject_id\022\347\001\n\022DeleteBu"
+          + "ildTrigger\0228.google.devtools.cloudbuild."
+          + "v1.DeleteBuildTriggerRequest\032\026.google.pr"
+          + "otobuf.Empty\"\177\202\323\344\223\002a*//v1/projects/{proj"
+          + "ect_id}/triggers/{trigger_id}Z.*,/v1/{na"
+          + "me=projects/*/locations/*/triggers/*}\332A\025"
+          + "project_id,trigger_id\022\251\002\n\022UpdateBuildTri"
+          + "gger\0228.google.devtools.cloudbuild.v1.Upd"
+          + "ateBuildTriggerRequest\032+.google.devtools"
+          + ".cloudbuild.v1.BuildTrigger\"\253\001\202\323\344\223\002\204\0012//"
+          + "v1/projects/{project_id}/triggers/{trigg"
+          + "er_id}:\007triggerZH2=/v1/{trigger.resource"
+          + "_name=projects/*/locations/*/triggers/*}"
+          + ":\007trigger\332A\035project_id,trigger_id,trigge"
+          + "r\022\245\002\n\017RunBuildTrigger\0225.google.devtools."
+          + "cloudbuild.v1.RunBuildTriggerRequest\032\035.g"
+          + "oogle.longrunning.Operation\"\273\001\202\323\344\223\002t\"3/v"
+          + "1/projects/{project_id}/triggers/{trigge"
+          + "r_id}:run:\006sourceZ5\"0/v1/{name=projects/"
+          + "*/locations/*/triggers/*}:run:\001*\332A\034proje"
+          + "ct_id,trigger_id,source\312A\037\n\005Build\022\026Build"
+          + "OperationMetadata\022\225\002\n\025ReceiveTriggerWebh"
+          + "ook\022;.google.devtools.cloudbuild.v1.Rece"
+          + "iveTriggerWebhookRequest\032<.google.devtoo"
+          + "ls.cloudbuild.v1.ReceiveTriggerWebhookRe"
+          + "sponse\"\200\001\202\323\344\223\002z\"4/v1/projects/{project_i"
+          + "d}/triggers/{trigger}:webhook:\004bodyZ<\"4/"
+          + "v1/{name=projects/*/locations/*/triggers"
+          + "/*}:webhook:\004body\022\206\002\n\020CreateWorkerPool\0226"
+          + ".google.devtools.cloudbuild.v1.CreateWor"
+          + "kerPoolRequest\032\035.google.longrunning.Oper"
+          + "ation\"\232\001\202\323\344\223\002>\"//v1/{parent=projects/*/l"
+          + "ocations/*}/workerPools:\013worker_pool\332A!p"
+          + "arent,worker_pool,worker_pool_id\312A/\n\nWor"
+          + "kerPool\022!CreateWorkerPoolOperationMetada"
+          + "ta\022\257\001\n\rGetWorkerPool\0223.google.devtools.c"
+          + "loudbuild.v1.GetWorkerPoolRequest\032).goog"
+          + "le.devtools.cloudbuild.v1.WorkerPool\">\202\323"
+          + "\344\223\0021\022//v1/{name=projects/*/locations/*/w"
+          + "orkerPools/*}\332A\004name\022\346\001\n\020DeleteWorkerPoo"
+          + "l\0226.google.devtools.cloudbuild.v1.Delete"
+          + "WorkerPoolRequest\032\035.google.longrunning.O"
+          + "peration\"{\202\323\344\223\0021*//v1/{name=projects/*/l"
+          + "ocations/*/workerPools/*}\332A\004name\312A:\n\025goo"
+          + "gle.protobuf.Empty\022!DeleteWorkerPoolOper"
+          + "ationMetadata\022\210\002\n\020UpdateWorkerPool\0226.goo"
+          + "gle.devtools.cloudbuild.v1.UpdateWorkerP"
+          + "oolRequest\032\035.google.longrunning.Operatio"
+          + "n\"\234\001\202\323\344\223\002J2;/v1/{worker_pool.name=projec"
+          + "ts/*/locations/*/workerPools/*}:\013worker_"
+          + "pool\332A\027worker_pool,update_mask\312A/\n\nWorke"
+          + "rPool\022!UpdateWorkerPoolOperationMetadata"
+          + "\022\302\001\n\017ListWorkerPools\0225.google.devtools.c"
+          + "loudbuild.v1.ListWorkerPoolsRequest\0326.go"
+          + "ogle.devtools.cloudbuild.v1.ListWorkerPo"
+          + "olsResponse\"@\202\323\344\223\0021\022//v1/{parent=project"
+          + "s/*/locations/*}/workerPools\332A\006parent\032M\312"
+          + "A\031cloudbuild.googleapis.com\322A.https://ww"
+          + "w.googleapis.com/auth/cloud-platformB\222\006\n"
+          + "\030com.google.cloudbuild.v1P\001ZGgoogle.gola"
+          + "ng.org/genproto/googleapis/devtools/clou"
+          + "dbuild/v1;cloudbuild\242\002\003GCB\252\002\032Google.Clou"
+          + "d.CloudBuild.V1\352\002\030Google::Cloud::Build::"
+          + "V1\352AN\n\036compute.googleapis.com/Network\022,p"
+          + "rojects/{project}/global/networks/{netwo"
+          + "rk}\352AY\n!iam.googleapis.com/ServiceAccoun"
+          + "t\0224projects/{project}/serviceAccounts/{s"
+          + "ervice_account}\352AJ\n#secretmanager.google"
+          + "apis.com/Secret\022#projects/{project}/secr"
+          + "ets/{secret}\352Ad\n*secretmanager.googleapi"
+          + "s.com/SecretVersion\0226projects/{project}/"
+          + "secrets/{secret}/versions/{version}\352Ap\n!"
+          + "cloudkms.googleapis.com/CryptoKey\022Kproje"
+          + "cts/{project}/locations/{location}/keyRi"
+          + "ngs/{keyring}/cryptoKeys/{key}\352AU\n\"pubsu"
+          + "b.googleapis.com/Subscription\022/projects/"
+          + "{project}/subscriptions/{subscription}\352A"
+          + "@\n\033pubsub.googleapis.com/Topic\022!projects"
+          + "/{project}/topics/{topic}b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -951,6 +994,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Tags",
               "Secrets",
               "Timing",
+              "Approval",
               "ServiceAccount",
               "AvailableSecrets",
               "Warnings",
@@ -1147,8 +1191,40 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             new java.lang.String[] {
               "Name", "ProjectId", "Id",
             });
-    internal_static_google_devtools_cloudbuild_v1_BuildTrigger_descriptor =
+    internal_static_google_devtools_cloudbuild_v1_ApproveBuildRequest_descriptor =
         getDescriptor().getMessageTypes().get(27);
+    internal_static_google_devtools_cloudbuild_v1_ApproveBuildRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_devtools_cloudbuild_v1_ApproveBuildRequest_descriptor,
+            new java.lang.String[] {
+              "Name", "ApprovalResult",
+            });
+    internal_static_google_devtools_cloudbuild_v1_BuildApproval_descriptor =
+        getDescriptor().getMessageTypes().get(28);
+    internal_static_google_devtools_cloudbuild_v1_BuildApproval_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_devtools_cloudbuild_v1_BuildApproval_descriptor,
+            new java.lang.String[] {
+              "State", "Config", "Result",
+            });
+    internal_static_google_devtools_cloudbuild_v1_ApprovalConfig_descriptor =
+        getDescriptor().getMessageTypes().get(29);
+    internal_static_google_devtools_cloudbuild_v1_ApprovalConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_devtools_cloudbuild_v1_ApprovalConfig_descriptor,
+            new java.lang.String[] {
+              "ApprovalRequired",
+            });
+    internal_static_google_devtools_cloudbuild_v1_ApprovalResult_descriptor =
+        getDescriptor().getMessageTypes().get(30);
+    internal_static_google_devtools_cloudbuild_v1_ApprovalResult_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_devtools_cloudbuild_v1_ApprovalResult_descriptor,
+            new java.lang.String[] {
+              "ApproverAccount", "ApprovalTime", "Decision", "Comment", "Url",
+            });
+    internal_static_google_devtools_cloudbuild_v1_BuildTrigger_descriptor =
+        getDescriptor().getMessageTypes().get(31);
     internal_static_google_devtools_cloudbuild_v1_BuildTrigger_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_BuildTrigger_descriptor,
@@ -1184,7 +1260,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Key", "Value",
             });
     internal_static_google_devtools_cloudbuild_v1_GitHubEventsConfig_descriptor =
-        getDescriptor().getMessageTypes().get(28);
+        getDescriptor().getMessageTypes().get(32);
     internal_static_google_devtools_cloudbuild_v1_GitHubEventsConfig_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_GitHubEventsConfig_descriptor,
@@ -1192,7 +1268,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "InstallationId", "Owner", "Name", "PullRequest", "Push", "Event",
             });
     internal_static_google_devtools_cloudbuild_v1_PubsubConfig_descriptor =
-        getDescriptor().getMessageTypes().get(29);
+        getDescriptor().getMessageTypes().get(33);
     internal_static_google_devtools_cloudbuild_v1_PubsubConfig_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_PubsubConfig_descriptor,
@@ -1200,7 +1276,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Subscription", "Topic", "ServiceAccountEmail", "State",
             });
     internal_static_google_devtools_cloudbuild_v1_WebhookConfig_descriptor =
-        getDescriptor().getMessageTypes().get(30);
+        getDescriptor().getMessageTypes().get(34);
     internal_static_google_devtools_cloudbuild_v1_WebhookConfig_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_WebhookConfig_descriptor,
@@ -1208,7 +1284,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Secret", "State", "AuthMethod",
             });
     internal_static_google_devtools_cloudbuild_v1_PullRequestFilter_descriptor =
-        getDescriptor().getMessageTypes().get(31);
+        getDescriptor().getMessageTypes().get(35);
     internal_static_google_devtools_cloudbuild_v1_PullRequestFilter_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_PullRequestFilter_descriptor,
@@ -1216,7 +1292,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Branch", "CommentControl", "InvertRegex", "GitRef",
             });
     internal_static_google_devtools_cloudbuild_v1_PushFilter_descriptor =
-        getDescriptor().getMessageTypes().get(32);
+        getDescriptor().getMessageTypes().get(36);
     internal_static_google_devtools_cloudbuild_v1_PushFilter_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_PushFilter_descriptor,
@@ -1224,7 +1300,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Branch", "Tag", "InvertRegex", "GitRef",
             });
     internal_static_google_devtools_cloudbuild_v1_CreateBuildTriggerRequest_descriptor =
-        getDescriptor().getMessageTypes().get(33);
+        getDescriptor().getMessageTypes().get(37);
     internal_static_google_devtools_cloudbuild_v1_CreateBuildTriggerRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_CreateBuildTriggerRequest_descriptor,
@@ -1232,7 +1308,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Parent", "ProjectId", "Trigger",
             });
     internal_static_google_devtools_cloudbuild_v1_GetBuildTriggerRequest_descriptor =
-        getDescriptor().getMessageTypes().get(34);
+        getDescriptor().getMessageTypes().get(38);
     internal_static_google_devtools_cloudbuild_v1_GetBuildTriggerRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_GetBuildTriggerRequest_descriptor,
@@ -1240,7 +1316,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Name", "ProjectId", "TriggerId",
             });
     internal_static_google_devtools_cloudbuild_v1_ListBuildTriggersRequest_descriptor =
-        getDescriptor().getMessageTypes().get(35);
+        getDescriptor().getMessageTypes().get(39);
     internal_static_google_devtools_cloudbuild_v1_ListBuildTriggersRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_ListBuildTriggersRequest_descriptor,
@@ -1248,7 +1324,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Parent", "ProjectId", "PageSize", "PageToken",
             });
     internal_static_google_devtools_cloudbuild_v1_ListBuildTriggersResponse_descriptor =
-        getDescriptor().getMessageTypes().get(36);
+        getDescriptor().getMessageTypes().get(40);
     internal_static_google_devtools_cloudbuild_v1_ListBuildTriggersResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_ListBuildTriggersResponse_descriptor,
@@ -1256,7 +1332,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Triggers", "NextPageToken",
             });
     internal_static_google_devtools_cloudbuild_v1_DeleteBuildTriggerRequest_descriptor =
-        getDescriptor().getMessageTypes().get(37);
+        getDescriptor().getMessageTypes().get(41);
     internal_static_google_devtools_cloudbuild_v1_DeleteBuildTriggerRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_DeleteBuildTriggerRequest_descriptor,
@@ -1264,7 +1340,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Name", "ProjectId", "TriggerId",
             });
     internal_static_google_devtools_cloudbuild_v1_UpdateBuildTriggerRequest_descriptor =
-        getDescriptor().getMessageTypes().get(38);
+        getDescriptor().getMessageTypes().get(42);
     internal_static_google_devtools_cloudbuild_v1_UpdateBuildTriggerRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_UpdateBuildTriggerRequest_descriptor,
@@ -1272,7 +1348,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "ProjectId", "TriggerId", "Trigger",
             });
     internal_static_google_devtools_cloudbuild_v1_BuildOptions_descriptor =
-        getDescriptor().getMessageTypes().get(39);
+        getDescriptor().getMessageTypes().get(43);
     internal_static_google_devtools_cloudbuild_v1_BuildOptions_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_BuildOptions_descriptor,
@@ -1302,7 +1378,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Name",
             });
     internal_static_google_devtools_cloudbuild_v1_ReceiveTriggerWebhookRequest_descriptor =
-        getDescriptor().getMessageTypes().get(40);
+        getDescriptor().getMessageTypes().get(44);
     internal_static_google_devtools_cloudbuild_v1_ReceiveTriggerWebhookRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_ReceiveTriggerWebhookRequest_descriptor,
@@ -1310,13 +1386,13 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Name", "Body", "ProjectId", "Trigger", "Secret",
             });
     internal_static_google_devtools_cloudbuild_v1_ReceiveTriggerWebhookResponse_descriptor =
-        getDescriptor().getMessageTypes().get(41);
+        getDescriptor().getMessageTypes().get(45);
     internal_static_google_devtools_cloudbuild_v1_ReceiveTriggerWebhookResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_ReceiveTriggerWebhookResponse_descriptor,
             new java.lang.String[] {});
     internal_static_google_devtools_cloudbuild_v1_WorkerPool_descriptor =
-        getDescriptor().getMessageTypes().get(42);
+        getDescriptor().getMessageTypes().get(46);
     internal_static_google_devtools_cloudbuild_v1_WorkerPool_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_WorkerPool_descriptor,
@@ -1342,7 +1418,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Key", "Value",
             });
     internal_static_google_devtools_cloudbuild_v1_PrivatePoolV1Config_descriptor =
-        getDescriptor().getMessageTypes().get(43);
+        getDescriptor().getMessageTypes().get(47);
     internal_static_google_devtools_cloudbuild_v1_PrivatePoolV1Config_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_PrivatePoolV1Config_descriptor,
@@ -1370,7 +1446,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "PeeredNetwork", "EgressOption",
             });
     internal_static_google_devtools_cloudbuild_v1_CreateWorkerPoolRequest_descriptor =
-        getDescriptor().getMessageTypes().get(44);
+        getDescriptor().getMessageTypes().get(48);
     internal_static_google_devtools_cloudbuild_v1_CreateWorkerPoolRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_CreateWorkerPoolRequest_descriptor,
@@ -1378,7 +1454,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Parent", "WorkerPool", "WorkerPoolId", "ValidateOnly",
             });
     internal_static_google_devtools_cloudbuild_v1_GetWorkerPoolRequest_descriptor =
-        getDescriptor().getMessageTypes().get(45);
+        getDescriptor().getMessageTypes().get(49);
     internal_static_google_devtools_cloudbuild_v1_GetWorkerPoolRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_GetWorkerPoolRequest_descriptor,
@@ -1386,7 +1462,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Name",
             });
     internal_static_google_devtools_cloudbuild_v1_DeleteWorkerPoolRequest_descriptor =
-        getDescriptor().getMessageTypes().get(46);
+        getDescriptor().getMessageTypes().get(50);
     internal_static_google_devtools_cloudbuild_v1_DeleteWorkerPoolRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_DeleteWorkerPoolRequest_descriptor,
@@ -1394,7 +1470,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Name", "Etag", "AllowMissing", "ValidateOnly",
             });
     internal_static_google_devtools_cloudbuild_v1_UpdateWorkerPoolRequest_descriptor =
-        getDescriptor().getMessageTypes().get(47);
+        getDescriptor().getMessageTypes().get(51);
     internal_static_google_devtools_cloudbuild_v1_UpdateWorkerPoolRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_UpdateWorkerPoolRequest_descriptor,
@@ -1402,7 +1478,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "WorkerPool", "UpdateMask", "ValidateOnly",
             });
     internal_static_google_devtools_cloudbuild_v1_ListWorkerPoolsRequest_descriptor =
-        getDescriptor().getMessageTypes().get(48);
+        getDescriptor().getMessageTypes().get(52);
     internal_static_google_devtools_cloudbuild_v1_ListWorkerPoolsRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_ListWorkerPoolsRequest_descriptor,
@@ -1410,7 +1486,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Parent", "PageSize", "PageToken",
             });
     internal_static_google_devtools_cloudbuild_v1_ListWorkerPoolsResponse_descriptor =
-        getDescriptor().getMessageTypes().get(49);
+        getDescriptor().getMessageTypes().get(53);
     internal_static_google_devtools_cloudbuild_v1_ListWorkerPoolsResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_ListWorkerPoolsResponse_descriptor,
@@ -1418,7 +1494,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "WorkerPools", "NextPageToken",
             });
     internal_static_google_devtools_cloudbuild_v1_CreateWorkerPoolOperationMetadata_descriptor =
-        getDescriptor().getMessageTypes().get(50);
+        getDescriptor().getMessageTypes().get(54);
     internal_static_google_devtools_cloudbuild_v1_CreateWorkerPoolOperationMetadata_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_CreateWorkerPoolOperationMetadata_descriptor,
@@ -1426,7 +1502,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "WorkerPool", "CreateTime", "CompleteTime",
             });
     internal_static_google_devtools_cloudbuild_v1_UpdateWorkerPoolOperationMetadata_descriptor =
-        getDescriptor().getMessageTypes().get(51);
+        getDescriptor().getMessageTypes().get(55);
     internal_static_google_devtools_cloudbuild_v1_UpdateWorkerPoolOperationMetadata_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_UpdateWorkerPoolOperationMetadata_descriptor,
@@ -1434,7 +1510,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "WorkerPool", "CreateTime", "CompleteTime",
             });
     internal_static_google_devtools_cloudbuild_v1_DeleteWorkerPoolOperationMetadata_descriptor =
-        getDescriptor().getMessageTypes().get(52);
+        getDescriptor().getMessageTypes().get(56);
     internal_static_google_devtools_cloudbuild_v1_DeleteWorkerPoolOperationMetadata_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_devtools_cloudbuild_v1_DeleteWorkerPoolOperationMetadata_descriptor,
diff --git a/proto-google-cloud-build-v1/src/main/proto/google/devtools/cloudbuild/v1/cloudbuild.proto b/proto-google-cloud-build-v1/src/main/proto/google/devtools/cloudbuild/v1/cloudbuild.proto
index 0e2e44d6..6a932bae 100644
--- a/proto-google-cloud-build-v1/src/main/proto/google/devtools/cloudbuild/v1/cloudbuild.proto
+++ b/proto-google-cloud-build-v1/src/main/proto/google/devtools/cloudbuild/v1/cloudbuild.proto
@@ -176,6 +176,28 @@ service CloudBuild {
     };
   }
 
+  // Approves or rejects a pending build.
+  //
+  // If approved, the returned LRO will be analogous to the LRO returned from
+  // a CreateBuild call.
+  //
+  // If rejected, the returned LRO will be immediately done.
+  rpc ApproveBuild(ApproveBuildRequest) returns (google.longrunning.Operation) {
+    option (google.api.http) = {
+      post: "/v1/{name=projects/*/builds/*}:approve"
+      body: "*"
+      additional_bindings {
+        post: "/v1/{name=projects/*/locations/*/builds/*}:approve"
+        body: "*"
+      }
+    };
+    option (google.api.method_signature) = "name,approval_result";
+    option (google.longrunning.operation_info) = {
+      response_type: "Build"
+      metadata_type: "BuildOperationMetadata"
+    };
+  }
+
   // Creates a new `BuildTrigger`.
   //
   // This API is experimental.
@@ -720,6 +742,10 @@ message Build {
     // Status of the build is unknown.
     STATUS_UNKNOWN = 0;
 
+    // Build has been created and is pending execution and queuing. It has not
+    // been queued.
+    PENDING = 10;
+
     // Build or step is queued; work has not yet begun.
     QUEUED = 1;
 
@@ -863,6 +889,10 @@ message Build {
   // these keys will not be included.
   map<string, TimeSpan> timing = 33 [(google.api.field_behavior) = OUTPUT_ONLY];
 
+  // Output only. Describes this build's approval configuration, status,
+  // and result.
+  BuildApproval approval = 44 [(google.api.field_behavior) = OUTPUT_ONLY];
+
   // IAM service account whose credentials will be used at build runtime.
   // Must be of the format `projects/{PROJECT_ID}/serviceAccounts/{ACCOUNT}`.
   // ACCOUNT can be email address or uniqueId of the service account.
@@ -1145,6 +1175,92 @@ message CancelBuildRequest {
   string id = 2 [(google.api.field_behavior) = REQUIRED];
 }
 
+// Request to approve or reject a pending build.
+message ApproveBuildRequest {
+  // Required. Name of the target build.
+  // For example: "projects/{$project_id}/builds/{$build_id}"
+  string name = 1 [(google.api.field_behavior) = REQUIRED];
+
+  // Approval decision and metadata.
+  ApprovalResult approval_result = 2;
+}
+
+// BuildApproval describes a build's approval configuration, state, and
+// result.
+message BuildApproval {
+  // Specifies the current state of a build's approval.
+  enum State {
+    // Default enum type. This should not be used.
+    STATE_UNSPECIFIED = 0;
+
+    // Build approval is pending.
+    PENDING = 1;
+
+    // Build approval has been approved.
+    APPROVED = 2;
+
+    // Build approval has been rejected.
+    REJECTED = 3;
+
+    // Build was cancelled while it was still pending approval.
+    CANCELLED = 5;
+  }
+
+  // Output only. The state of this build's approval.
+  State state = 1 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Configuration for manual approval of this build.
+  ApprovalConfig config = 2 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Result of manual approval for this Build.
+  ApprovalResult result = 3 [(google.api.field_behavior) = OUTPUT_ONLY];
+}
+
+// ApprovalConfig describes configuration for manual approval of a build.
+message ApprovalConfig {
+  // Whether or not approval is needed. If this is set on a build, it will
+  // become pending when created, and will need to be explicitly approved
+  // to start.
+  bool approval_required = 1;
+}
+
+// ApprovalResult describes the decision and associated metadata of a manual
+// approval of a build.
+message ApprovalResult {
+  // Specifies whether or not this manual approval result is to approve
+  // or reject a build.
+  enum Decision {
+    // Default enum type. This should not be used.
+    DECISION_UNSPECIFIED = 0;
+
+    // Build is approved.
+    APPROVED = 1;
+
+    // Build is rejected.
+    REJECTED = 2;
+  }
+
+  // Output only. Email of the user that called the ApproveBuild API to
+  // approve or reject a build at the time that the API was called.
+  string approver_account = 2 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. The time when the approval decision was made.
+  google.protobuf.Timestamp approval_time = 3
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Required. The decision of this manual approval.
+  Decision decision = 4 [(google.api.field_behavior) = REQUIRED];
+
+  // Optional. An optional comment for this manual approval result.
+  string comment = 5 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. An optional URL tied to this manual approval result. This field
+  // is essentially the same as comment, except that it will be rendered by the
+  // UI differently. An example use case is a link to an external job that
+  // approved this Build.
+  string url = 6 [(google.api.field_behavior) = OPTIONAL];
+}
+
 // Configuration for an automated build in response to source repository
 // changes.
 message BuildTrigger {