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 b1b18c72..79b81c85 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
@@ -76,6 +76,14 @@
  * <p>This class provides the ability to make remote calls to the backing service through method
  * calls that map to API methods. Sample code to get started:
  *
+ * <pre>{@code
+ * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+ *   String projectId = "projectId-894832108";
+ *   String id = "id3355";
+ *   Build response = cloudBuildClient.getBuild(projectId, id);
+ * }
+ * }</pre>
+ *
  * <p>Note: close() needs to be called on the CloudBuildClient object to clean up resources such as
  * threads. In the example above, try-with-resources is used, which automatically calls close().
  *
@@ -191,6 +199,16 @@ public final OperationsClient getOperationsClient() {
    * <p>This method returns a long-running `Operation`, which includes the build ID. Pass the build
    * ID to `GetBuild` to determine the build status (such as `SUCCESS` or `FAILURE`).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   Build build = Build.newBuilder().build();
+   *   Build response = cloudBuildClient.createBuildAsync(projectId, build).get();
+   * }
+   * }</pre>
+   *
    * @param projectId Required. ID of the project.
    * @param build Required. Build resource to create.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
@@ -209,6 +227,20 @@ public final OperationFuture<Build, BuildOperationMetadata> createBuildAsync(
    * <p>This method returns a long-running `Operation`, which includes the build ID. Pass the build
    * ID to `GetBuild` to determine the build status (such as `SUCCESS` or `FAILURE`).
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   CreateBuildRequest request =
+   *       CreateBuildRequest.newBuilder()
+   *           .setParent(BuildName.ofProjectBuildName("[PROJECT]", "[BUILD]").toString())
+   *           .setProjectId("projectId-894832108")
+   *           .setBuild(Build.newBuilder().build())
+   *           .build();
+   *   Build response = cloudBuildClient.createBuildAsync(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
    */
@@ -225,6 +257,21 @@ public final OperationFuture<Build, BuildOperationMetadata> createBuildAsync(
    * ID to `GetBuild` to determine the build status (such as `SUCCESS` or `FAILURE`).
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   CreateBuildRequest request =
+   *       CreateBuildRequest.newBuilder()
+   *           .setParent(BuildName.ofProjectBuildName("[PROJECT]", "[BUILD]").toString())
+   *           .setProjectId("projectId-894832108")
+   *           .setBuild(Build.newBuilder().build())
+   *           .build();
+   *   OperationFuture<Build, BuildOperationMetadata> future =
+   *       cloudBuildClient.createBuildOperationCallable().futureCall(request);
+   *   // Do something.
+   *   Build response = future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<CreateBuildRequest, Build, BuildOperationMetadata>
       createBuildOperationCallable() {
@@ -239,6 +286,20 @@ public final OperationFuture<Build, BuildOperationMetadata> createBuildAsync(
    * ID to `GetBuild` to determine the build status (such as `SUCCESS` or `FAILURE`).
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   CreateBuildRequest request =
+   *       CreateBuildRequest.newBuilder()
+   *           .setParent(BuildName.ofProjectBuildName("[PROJECT]", "[BUILD]").toString())
+   *           .setProjectId("projectId-894832108")
+   *           .setBuild(Build.newBuilder().build())
+   *           .build();
+   *   ApiFuture<Operation> future = cloudBuildClient.createBuildCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<CreateBuildRequest, Operation> createBuildCallable() {
     return stub.createBuildCallable();
@@ -251,6 +312,16 @@ public final UnaryCallable<CreateBuildRequest, Operation> createBuildCallable()
    * <p>The `Build` that is returned includes its status (such as `SUCCESS`, `FAILURE`, or
    * `WORKING`), and timing information.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String id = "id3355";
+   *   Build response = cloudBuildClient.getBuild(projectId, id);
+   * }
+   * }</pre>
+   *
    * @param projectId Required. ID of the project.
    * @param id Required. ID of the build.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
@@ -268,6 +339,20 @@ public final Build getBuild(String projectId, String id) {
    * <p>The `Build` that is returned includes its status (such as `SUCCESS`, `FAILURE`, or
    * `WORKING`), and timing information.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   GetBuildRequest request =
+   *       GetBuildRequest.newBuilder()
+   *           .setName(BuildName.ofProjectBuildName("[PROJECT]", "[BUILD]").toString())
+   *           .setProjectId("projectId-894832108")
+   *           .setId("id3355")
+   *           .build();
+   *   Build response = cloudBuildClient.getBuild(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -283,6 +368,20 @@ public final Build getBuild(GetBuildRequest request) {
    * `WORKING`), and timing information.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   GetBuildRequest request =
+   *       GetBuildRequest.newBuilder()
+   *           .setName(BuildName.ofProjectBuildName("[PROJECT]", "[BUILD]").toString())
+   *           .setProjectId("projectId-894832108")
+   *           .setId("id3355")
+   *           .build();
+   *   ApiFuture<Build> future = cloudBuildClient.getBuildCallable().futureCall(request);
+   *   // Do something.
+   *   Build response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<GetBuildRequest, Build> getBuildCallable() {
     return stub.getBuildCallable();
@@ -295,6 +394,18 @@ public final UnaryCallable<GetBuildRequest, Build> getBuildCallable() {
    * <p>Previously requested builds may still be in-progress, or may have finished successfully or
    * unsuccessfully.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String filter = "filter-1274492040";
+   *   for (Build element : cloudBuildClient.listBuilds(projectId, filter).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param projectId Required. ID of the project.
    * @param filter The raw filter text to constrain the results.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
@@ -312,6 +423,24 @@ public final ListBuildsPagedResponse listBuilds(String projectId, String filter)
    * <p>Previously requested builds may still be in-progress, or may have finished successfully or
    * unsuccessfully.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   ListBuildsRequest request =
+   *       ListBuildsRequest.newBuilder()
+   *           .setParent(BuildName.ofProjectBuildName("[PROJECT]", "[BUILD]").toString())
+   *           .setProjectId("projectId-894832108")
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .setFilter("filter-1274492040")
+   *           .build();
+   *   for (Build element : cloudBuildClient.listBuilds(request).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -327,6 +456,24 @@ public final ListBuildsPagedResponse listBuilds(ListBuildsRequest request) {
    * unsuccessfully.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   ListBuildsRequest request =
+   *       ListBuildsRequest.newBuilder()
+   *           .setParent(BuildName.ofProjectBuildName("[PROJECT]", "[BUILD]").toString())
+   *           .setProjectId("projectId-894832108")
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .setFilter("filter-1274492040")
+   *           .build();
+   *   ApiFuture<Build> future = cloudBuildClient.listBuildsPagedCallable().futureCall(request);
+   *   // Do something.
+   *   for (Build element : future.get().iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListBuildsRequest, ListBuildsPagedResponse> listBuildsPagedCallable() {
     return stub.listBuildsPagedCallable();
@@ -340,6 +487,23 @@ public final UnaryCallable<ListBuildsRequest, ListBuildsPagedResponse> listBuild
    * unsuccessfully.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   while (true) {
+   *     ListBuildsResponse response = cloudBuildClient.listBuildsCallable().call(request);
+   *     for (Build element : response.getResponsesList()) {
+   *       // doThingsWith(element);
+   *     }
+   *     String nextPageToken = response.getNextPageToken();
+   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
+   *       request = request.toBuilder().setPageToken(nextPageToken).build();
+   *     } else {
+   *       break;
+   *     }
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListBuildsRequest, ListBuildsResponse> listBuildsCallable() {
     return stub.listBuildsCallable();
@@ -349,6 +513,16 @@ public final UnaryCallable<ListBuildsRequest, ListBuildsResponse> listBuildsCall
   /**
    * Cancels a build in progress.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String id = "id3355";
+   *   Build response = cloudBuildClient.cancelBuild(projectId, id);
+   * }
+   * }</pre>
+   *
    * @param projectId Required. ID of the project.
    * @param id Required. ID of the build.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
@@ -363,6 +537,20 @@ public final Build cancelBuild(String projectId, String id) {
   /**
    * Cancels a build in progress.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   CancelBuildRequest request =
+   *       CancelBuildRequest.newBuilder()
+   *           .setName(BuildName.ofProjectBuildName("[PROJECT]", "[BUILD]").toString())
+   *           .setProjectId("projectId-894832108")
+   *           .setId("id3355")
+   *           .build();
+   *   Build response = cloudBuildClient.cancelBuild(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -375,6 +563,20 @@ public final Build cancelBuild(CancelBuildRequest request) {
    * Cancels a build in progress.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   CancelBuildRequest request =
+   *       CancelBuildRequest.newBuilder()
+   *           .setName(BuildName.ofProjectBuildName("[PROJECT]", "[BUILD]").toString())
+   *           .setProjectId("projectId-894832108")
+   *           .setId("id3355")
+   *           .build();
+   *   ApiFuture<Build> future = cloudBuildClient.cancelBuildCallable().futureCall(request);
+   *   // Do something.
+   *   Build response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<CancelBuildRequest, Build> cancelBuildCallable() {
     return stub.cancelBuildCallable();
@@ -414,6 +616,16 @@ public final UnaryCallable<CancelBuildRequest, Build> cancelBuildCallable() {
    *       available depending on the bucket's lifecycle management settings.
    * </ul>
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String id = "id3355";
+   *   Build response = cloudBuildClient.retryBuildAsync(projectId, id).get();
+   * }
+   * }</pre>
+   *
    * @param projectId Required. ID of the project.
    * @param id Required. Build ID of the original build.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
@@ -459,6 +671,20 @@ public final OperationFuture<Build, BuildOperationMetadata> retryBuildAsync(
    *       available depending on the bucket's lifecycle management settings.
    * </ul>
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   RetryBuildRequest request =
+   *       RetryBuildRequest.newBuilder()
+   *           .setName(BuildName.ofProjectBuildName("[PROJECT]", "[BUILD]").toString())
+   *           .setProjectId("projectId-894832108")
+   *           .setId("id3355")
+   *           .build();
+   *   Build response = cloudBuildClient.retryBuildAsync(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
    */
@@ -502,6 +728,21 @@ public final OperationFuture<Build, BuildOperationMetadata> retryBuildAsync(
    * </ul>
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   RetryBuildRequest request =
+   *       RetryBuildRequest.newBuilder()
+   *           .setName(BuildName.ofProjectBuildName("[PROJECT]", "[BUILD]").toString())
+   *           .setProjectId("projectId-894832108")
+   *           .setId("id3355")
+   *           .build();
+   *   OperationFuture<Build, BuildOperationMetadata> future =
+   *       cloudBuildClient.retryBuildOperationCallable().futureCall(request);
+   *   // Do something.
+   *   Build response = future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<RetryBuildRequest, Build, BuildOperationMetadata>
       retryBuildOperationCallable() {
@@ -543,6 +784,20 @@ public final OperationFuture<Build, BuildOperationMetadata> retryBuildAsync(
    * </ul>
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   RetryBuildRequest request =
+   *       RetryBuildRequest.newBuilder()
+   *           .setName(BuildName.ofProjectBuildName("[PROJECT]", "[BUILD]").toString())
+   *           .setProjectId("projectId-894832108")
+   *           .setId("id3355")
+   *           .build();
+   *   ApiFuture<Operation> future = cloudBuildClient.retryBuildCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<RetryBuildRequest, Operation> retryBuildCallable() {
     return stub.retryBuildCallable();
@@ -554,6 +809,16 @@ public final UnaryCallable<RetryBuildRequest, Operation> retryBuildCallable() {
    *
    * <p>This API is experimental.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   BuildTrigger trigger = BuildTrigger.newBuilder().build();
+   *   BuildTrigger response = cloudBuildClient.createBuildTrigger(projectId, trigger);
+   * }
+   * }</pre>
+   *
    * @param projectId Required. ID of the project for which to configure automatic builds.
    * @param trigger Required. `BuildTrigger` to create.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
@@ -570,6 +835,19 @@ public final BuildTrigger createBuildTrigger(String projectId, BuildTrigger trig
    *
    * <p>This API is experimental.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   CreateBuildTriggerRequest request =
+   *       CreateBuildTriggerRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setTrigger(BuildTrigger.newBuilder().build())
+   *           .build();
+   *   BuildTrigger response = cloudBuildClient.createBuildTrigger(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -584,6 +862,20 @@ public final BuildTrigger createBuildTrigger(CreateBuildTriggerRequest request)
    * <p>This API is experimental.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   CreateBuildTriggerRequest request =
+   *       CreateBuildTriggerRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setTrigger(BuildTrigger.newBuilder().build())
+   *           .build();
+   *   ApiFuture<BuildTrigger> future =
+   *       cloudBuildClient.createBuildTriggerCallable().futureCall(request);
+   *   // Do something.
+   *   BuildTrigger response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<CreateBuildTriggerRequest, BuildTrigger> createBuildTriggerCallable() {
     return stub.createBuildTriggerCallable();
@@ -595,6 +887,16 @@ public final UnaryCallable<CreateBuildTriggerRequest, BuildTrigger> createBuildT
    *
    * <p>This API is experimental.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String triggerId = "triggerId-648752909";
+   *   BuildTrigger response = cloudBuildClient.getBuildTrigger(projectId, triggerId);
+   * }
+   * }</pre>
+   *
    * @param projectId Required. ID of the project that owns the trigger.
    * @param triggerId Required. Identifier (`id` or `name`) of the `BuildTrigger` to get.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
@@ -611,6 +913,19 @@ public final BuildTrigger getBuildTrigger(String projectId, String triggerId) {
    *
    * <p>This API is experimental.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   GetBuildTriggerRequest request =
+   *       GetBuildTriggerRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setTriggerId("triggerId-648752909")
+   *           .build();
+   *   BuildTrigger response = cloudBuildClient.getBuildTrigger(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -625,6 +940,20 @@ public final BuildTrigger getBuildTrigger(GetBuildTriggerRequest request) {
    * <p>This API is experimental.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   GetBuildTriggerRequest request =
+   *       GetBuildTriggerRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setTriggerId("triggerId-648752909")
+   *           .build();
+   *   ApiFuture<BuildTrigger> future =
+   *       cloudBuildClient.getBuildTriggerCallable().futureCall(request);
+   *   // Do something.
+   *   BuildTrigger response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<GetBuildTriggerRequest, BuildTrigger> getBuildTriggerCallable() {
     return stub.getBuildTriggerCallable();
@@ -636,6 +965,17 @@ public final UnaryCallable<GetBuildTriggerRequest, BuildTrigger> getBuildTrigger
    *
    * <p>This API is experimental.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   for (BuildTrigger element : cloudBuildClient.listBuildTriggers(projectId).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param projectId Required. ID of the project for which to list BuildTriggers.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -651,6 +991,22 @@ public final ListBuildTriggersPagedResponse listBuildTriggers(String projectId)
    *
    * <p>This API is experimental.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   ListBuildTriggersRequest request =
+   *       ListBuildTriggersRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   for (BuildTrigger element : cloudBuildClient.listBuildTriggers(request).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -665,6 +1021,23 @@ public final ListBuildTriggersPagedResponse listBuildTriggers(ListBuildTriggersR
    * <p>This API is experimental.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   ListBuildTriggersRequest request =
+   *       ListBuildTriggersRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   ApiFuture<BuildTrigger> future =
+   *       cloudBuildClient.listBuildTriggersPagedCallable().futureCall(request);
+   *   // Do something.
+   *   for (BuildTrigger element : future.get().iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListBuildTriggersRequest, ListBuildTriggersPagedResponse>
       listBuildTriggersPagedCallable() {
@@ -678,6 +1051,24 @@ public final ListBuildTriggersPagedResponse listBuildTriggers(ListBuildTriggersR
    * <p>This API is experimental.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   while (true) {
+   *     ListBuildTriggersResponse response =
+   *         cloudBuildClient.listBuildTriggersCallable().call(request);
+   *     for (BuildTrigger element : response.getResponsesList()) {
+   *       // doThingsWith(element);
+   *     }
+   *     String nextPageToken = response.getNextPageToken();
+   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
+   *       request = request.toBuilder().setPageToken(nextPageToken).build();
+   *     } else {
+   *       break;
+   *     }
+   *   }
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListBuildTriggersRequest, ListBuildTriggersResponse>
       listBuildTriggersCallable() {
@@ -690,6 +1081,16 @@ public final ListBuildTriggersPagedResponse listBuildTriggers(ListBuildTriggersR
    *
    * <p>This API is experimental.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String triggerId = "triggerId-648752909";
+   *   cloudBuildClient.deleteBuildTrigger(projectId, triggerId);
+   * }
+   * }</pre>
+   *
    * @param projectId Required. ID of the project that owns the trigger.
    * @param triggerId Required. ID of the `BuildTrigger` to delete.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
@@ -709,6 +1110,19 @@ public final void deleteBuildTrigger(String projectId, String triggerId) {
    *
    * <p>This API is experimental.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   DeleteBuildTriggerRequest request =
+   *       DeleteBuildTriggerRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setTriggerId("triggerId-648752909")
+   *           .build();
+   *   cloudBuildClient.deleteBuildTrigger(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -723,6 +1137,19 @@ public final void deleteBuildTrigger(DeleteBuildTriggerRequest request) {
    * <p>This API is experimental.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   DeleteBuildTriggerRequest request =
+   *       DeleteBuildTriggerRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setTriggerId("triggerId-648752909")
+   *           .build();
+   *   ApiFuture<Empty> future = cloudBuildClient.deleteBuildTriggerCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<DeleteBuildTriggerRequest, Empty> deleteBuildTriggerCallable() {
     return stub.deleteBuildTriggerCallable();
@@ -734,6 +1161,17 @@ public final UnaryCallable<DeleteBuildTriggerRequest, Empty> deleteBuildTriggerC
    *
    * <p>This API is experimental.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String triggerId = "triggerId-648752909";
+   *   BuildTrigger trigger = BuildTrigger.newBuilder().build();
+   *   BuildTrigger response = cloudBuildClient.updateBuildTrigger(projectId, triggerId, trigger);
+   * }
+   * }</pre>
+   *
    * @param projectId Required. ID of the project that owns the trigger.
    * @param triggerId Required. ID of the `BuildTrigger` to update.
    * @param trigger Required. `BuildTrigger` to update.
@@ -756,6 +1194,20 @@ public final BuildTrigger updateBuildTrigger(
    *
    * <p>This API is experimental.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   UpdateBuildTriggerRequest request =
+   *       UpdateBuildTriggerRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setTriggerId("triggerId-648752909")
+   *           .setTrigger(BuildTrigger.newBuilder().build())
+   *           .build();
+   *   BuildTrigger response = cloudBuildClient.updateBuildTrigger(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -770,6 +1222,21 @@ public final BuildTrigger updateBuildTrigger(UpdateBuildTriggerRequest request)
    * <p>This API is experimental.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   UpdateBuildTriggerRequest request =
+   *       UpdateBuildTriggerRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setTriggerId("triggerId-648752909")
+   *           .setTrigger(BuildTrigger.newBuilder().build())
+   *           .build();
+   *   ApiFuture<BuildTrigger> future =
+   *       cloudBuildClient.updateBuildTriggerCallable().futureCall(request);
+   *   // Do something.
+   *   BuildTrigger response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<UpdateBuildTriggerRequest, BuildTrigger> updateBuildTriggerCallable() {
     return stub.updateBuildTriggerCallable();
@@ -779,6 +1246,17 @@ public final UnaryCallable<UpdateBuildTriggerRequest, BuildTrigger> updateBuildT
   /**
    * Runs a `BuildTrigger` at a particular source revision.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   String projectId = "projectId-894832108";
+   *   String triggerId = "triggerId-648752909";
+   *   RepoSource source = RepoSource.newBuilder().build();
+   *   Build response = cloudBuildClient.runBuildTriggerAsync(projectId, triggerId, source).get();
+   * }
+   * }</pre>
+   *
    * @param projectId Required. ID of the project.
    * @param triggerId Required. ID of the trigger.
    * @param source Required. Source to build against this trigger.
@@ -799,6 +1277,20 @@ public final OperationFuture<Build, BuildOperationMetadata> runBuildTriggerAsync
   /**
    * Runs a `BuildTrigger` at a particular source revision.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   RunBuildTriggerRequest request =
+   *       RunBuildTriggerRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setTriggerId("triggerId-648752909")
+   *           .setSource(RepoSource.newBuilder().build())
+   *           .build();
+   *   Build response = cloudBuildClient.runBuildTriggerAsync(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
    */
@@ -812,6 +1304,21 @@ public final OperationFuture<Build, BuildOperationMetadata> runBuildTriggerAsync
    * Runs a `BuildTrigger` at a particular source revision.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   RunBuildTriggerRequest request =
+   *       RunBuildTriggerRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setTriggerId("triggerId-648752909")
+   *           .setSource(RepoSource.newBuilder().build())
+   *           .build();
+   *   OperationFuture<Build, BuildOperationMetadata> future =
+   *       cloudBuildClient.runBuildTriggerOperationCallable().futureCall(request);
+   *   // Do something.
+   *   Build response = future.get();
+   * }
+   * }</pre>
    */
   public final OperationCallable<RunBuildTriggerRequest, Build, BuildOperationMetadata>
       runBuildTriggerOperationCallable() {
@@ -823,6 +1330,20 @@ public final OperationFuture<Build, BuildOperationMetadata> runBuildTriggerAsync
    * Runs a `BuildTrigger` at a particular source revision.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   RunBuildTriggerRequest request =
+   *       RunBuildTriggerRequest.newBuilder()
+   *           .setProjectId("projectId-894832108")
+   *           .setTriggerId("triggerId-648752909")
+   *           .setSource(RepoSource.newBuilder().build())
+   *           .build();
+   *   ApiFuture<Operation> future = cloudBuildClient.runBuildTriggerCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<RunBuildTriggerRequest, Operation> runBuildTriggerCallable() {
     return stub.runBuildTriggerCallable();
@@ -834,6 +1355,19 @@ public final UnaryCallable<RunBuildTriggerRequest, Operation> runBuildTriggerCal
    *
    * <p>This API is experimental.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   CreateWorkerPoolRequest request =
+   *       CreateWorkerPoolRequest.newBuilder()
+   *           .setParent("parent-995424086")
+   *           .setWorkerPool(WorkerPool.newBuilder().build())
+   *           .build();
+   *   WorkerPool response = cloudBuildClient.createWorkerPool(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -848,6 +1382,20 @@ public final WorkerPool createWorkerPool(CreateWorkerPoolRequest request) {
    * <p>This API is experimental.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   CreateWorkerPoolRequest request =
+   *       CreateWorkerPoolRequest.newBuilder()
+   *           .setParent("parent-995424086")
+   *           .setWorkerPool(WorkerPool.newBuilder().build())
+   *           .build();
+   *   ApiFuture<WorkerPool> future =
+   *       cloudBuildClient.createWorkerPoolCallable().futureCall(request);
+   *   // Do something.
+   *   WorkerPool response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<CreateWorkerPoolRequest, WorkerPool> createWorkerPoolCallable() {
     return stub.createWorkerPoolCallable();
@@ -859,6 +1407,16 @@ public final UnaryCallable<CreateWorkerPoolRequest, WorkerPool> createWorkerPool
    *
    * <p>This API is experimental.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   GetWorkerPoolRequest request =
+   *       GetWorkerPoolRequest.newBuilder().setName("name3373707").build();
+   *   WorkerPool response = cloudBuildClient.getWorkerPool(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -873,6 +1431,16 @@ public final WorkerPool getWorkerPool(GetWorkerPoolRequest request) {
    * <p>This API is experimental.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   GetWorkerPoolRequest request =
+   *       GetWorkerPoolRequest.newBuilder().setName("name3373707").build();
+   *   ApiFuture<WorkerPool> future = cloudBuildClient.getWorkerPoolCallable().futureCall(request);
+   *   // Do something.
+   *   WorkerPool response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<GetWorkerPoolRequest, WorkerPool> getWorkerPoolCallable() {
     return stub.getWorkerPoolCallable();
@@ -884,6 +1452,16 @@ public final UnaryCallable<GetWorkerPoolRequest, WorkerPool> getWorkerPoolCallab
    *
    * <p>This API is experimental.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   DeleteWorkerPoolRequest request =
+   *       DeleteWorkerPoolRequest.newBuilder().setName("name3373707").build();
+   *   cloudBuildClient.deleteWorkerPool(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -898,6 +1476,16 @@ public final void deleteWorkerPool(DeleteWorkerPoolRequest request) {
    * <p>This API is experimental.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   DeleteWorkerPoolRequest request =
+   *       DeleteWorkerPoolRequest.newBuilder().setName("name3373707").build();
+   *   ApiFuture<Empty> future = cloudBuildClient.deleteWorkerPoolCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<DeleteWorkerPoolRequest, Empty> deleteWorkerPoolCallable() {
     return stub.deleteWorkerPoolCallable();
@@ -909,6 +1497,19 @@ public final UnaryCallable<DeleteWorkerPoolRequest, Empty> deleteWorkerPoolCalla
    *
    * <p>This API is experimental.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   UpdateWorkerPoolRequest request =
+   *       UpdateWorkerPoolRequest.newBuilder()
+   *           .setName("name3373707")
+   *           .setWorkerPool(WorkerPool.newBuilder().build())
+   *           .build();
+   *   WorkerPool response = cloudBuildClient.updateWorkerPool(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -923,6 +1524,20 @@ public final WorkerPool updateWorkerPool(UpdateWorkerPoolRequest request) {
    * <p>This API is experimental.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   UpdateWorkerPoolRequest request =
+   *       UpdateWorkerPoolRequest.newBuilder()
+   *           .setName("name3373707")
+   *           .setWorkerPool(WorkerPool.newBuilder().build())
+   *           .build();
+   *   ApiFuture<WorkerPool> future =
+   *       cloudBuildClient.updateWorkerPoolCallable().futureCall(request);
+   *   // Do something.
+   *   WorkerPool response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<UpdateWorkerPoolRequest, WorkerPool> updateWorkerPoolCallable() {
     return stub.updateWorkerPoolCallable();
@@ -934,6 +1549,16 @@ public final UnaryCallable<UpdateWorkerPoolRequest, WorkerPool> updateWorkerPool
    *
    * <p>This API is experimental.
    *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   ListWorkerPoolsRequest request =
+   *       ListWorkerPoolsRequest.newBuilder().setParent("parent-995424086").build();
+   *   ListWorkerPoolsResponse response = cloudBuildClient.listWorkerPools(request);
+   * }
+   * }</pre>
+   *
    * @param request The request object containing all of the parameters for the API call.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -948,6 +1573,17 @@ public final ListWorkerPoolsResponse listWorkerPools(ListWorkerPoolsRequest requ
    * <p>This API is experimental.
    *
    * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+   *   ListWorkerPoolsRequest request =
+   *       ListWorkerPoolsRequest.newBuilder().setParent("parent-995424086").build();
+   *   ApiFuture<ListWorkerPoolsResponse> future =
+   *       cloudBuildClient.listWorkerPoolsCallable().futureCall(request);
+   *   // Do something.
+   *   ListWorkerPoolsResponse response = future.get();
+   * }
+   * }</pre>
    */
   public final UnaryCallable<ListWorkerPoolsRequest, ListWorkerPoolsResponse>
       listWorkerPoolsCallable() {
diff --git a/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/package-info.java b/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/package-info.java
index ef5a18bc..6dab9194 100644
--- a/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/package-info.java
+++ b/google-cloud-build/src/main/java/com/google/cloud/devtools/cloudbuild/v1/package-info.java
@@ -28,6 +28,14 @@
  * of the build.
  *
  * <p>Sample for CloudBuildClient:
+ *
+ * <pre>{@code
+ * try (CloudBuildClient cloudBuildClient = CloudBuildClient.create()) {
+ *   String projectId = "projectId-894832108";
+ *   String id = "id3355";
+ *   Build response = cloudBuildClient.getBuild(projectId, id);
+ * }
+ * }</pre>
  */
 @Generated("by gapic-generator-java")
 package com.google.cloud.devtools.cloudbuild.v1;
diff --git a/synth.metadata b/synth.metadata
index d9a9c736..12dc81b9 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -11,15 +11,15 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-cloudbuild.git",
-        "sha": "257ca7c299b27cb4ee1ef7199d35efb7edd49d58"
+        "sha": "70ff34260eb83249f1444d1f54e4fd726efe3622"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "91e206bcfeaf8948ea03fe3cb1b7616108496cd3",
-        "internalRef": "350949863"
+        "sha": "8d8c008e56f1af31d57f75561e0f1848ffb29eeb",
+        "internalRef": "356341083"
       }
     },
     {