RegionInstanceGroupManagersClient.java

/*
 * Copyright 2022 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.cloud.compute.v1;

import com.google.api.core.ApiFuture;
import com.google.api.core.ApiFutures;
import com.google.api.core.BetaApi;
import com.google.api.gax.core.BackgroundResource;
import com.google.api.gax.longrunning.OperationFuture;
import com.google.api.gax.paging.AbstractFixedSizeCollection;
import com.google.api.gax.paging.AbstractPage;
import com.google.api.gax.paging.AbstractPagedListResponse;
import com.google.api.gax.rpc.OperationCallable;
import com.google.api.gax.rpc.PageContext;
import com.google.api.gax.rpc.UnaryCallable;
import com.google.cloud.compute.v1.stub.RegionInstanceGroupManagersStub;
import com.google.cloud.compute.v1.stub.RegionInstanceGroupManagersStubSettings;
import com.google.common.util.concurrent.MoreExecutors;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.TimeUnit;
import javax.annotation.Generated;

// AUTO-GENERATED DOCUMENTATION AND CLASS.
/**
 * Service Description: The RegionInstanceGroupManagers API.
 *
 * <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
 * // This snippet has been automatically generated and should be regarded as a code template only.
 * // It will require modifications to work:
 * // - It may require correct/in-range values for request initialization.
 * // - It may require specifying regional endpoints when creating the service client as shown in
 * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
 *     RegionInstanceGroupManagersClient.create()) {
 *   String project = "project-309310695";
 *   String region = "region-934795532";
 *   String instanceGroupManager = "instanceGroupManager-388242077";
 *   InstanceGroupManager response =
 *       regionInstanceGroupManagersClient.get(project, region, instanceGroupManager);
 * }
 * }</pre>
 *
 * <p>Note: close() needs to be called on the RegionInstanceGroupManagersClient object to clean up
 * resources such as threads. In the example above, try-with-resources is used, which automatically
 * calls close().
 *
 * <p>The surface of this class includes several types of Java methods for each of the API's
 * methods:
 *
 * <ol>
 *   <li>A "flattened" method. With this type of method, the fields of the request type have been
 *       converted into function parameters. It may be the case that not all fields are available as
 *       parameters, and not every API method will have a flattened method entry point.
 *   <li>A "request object" method. This type of method only takes one parameter, a request object,
 *       which must be constructed before the call. Not every API method will have a request object
 *       method.
 *   <li>A "callable" method. This type of method takes no parameters and returns an immutable API
 *       callable object, which can be used to initiate calls to the service.
 * </ol>
 *
 * <p>See the individual methods for example code.
 *
 * <p>Many parameters require resource names to be formatted in a particular way. To assist with
 * these names, this class includes a format method for each type of name, and additionally a parse
 * method to extract the individual identifiers contained within names that are returned.
 *
 * <p>This class can be customized by passing in a custom instance of
 * RegionInstanceGroupManagersSettings to create(). For example:
 *
 * <p>To customize credentials:
 *
 * <pre>{@code
 * // This snippet has been automatically generated and should be regarded as a code template only.
 * // It will require modifications to work:
 * // - It may require correct/in-range values for request initialization.
 * // - It may require specifying regional endpoints when creating the service client as shown in
 * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 * RegionInstanceGroupManagersSettings regionInstanceGroupManagersSettings =
 *     RegionInstanceGroupManagersSettings.newBuilder()
 *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
 *         .build();
 * RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
 *     RegionInstanceGroupManagersClient.create(regionInstanceGroupManagersSettings);
 * }</pre>
 *
 * <p>To customize the endpoint:
 *
 * <pre>{@code
 * // This snippet has been automatically generated and should be regarded as a code template only.
 * // It will require modifications to work:
 * // - It may require correct/in-range values for request initialization.
 * // - It may require specifying regional endpoints when creating the service client as shown in
 * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 * RegionInstanceGroupManagersSettings regionInstanceGroupManagersSettings =
 *     RegionInstanceGroupManagersSettings.newBuilder().setEndpoint(myEndpoint).build();
 * RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
 *     RegionInstanceGroupManagersClient.create(regionInstanceGroupManagersSettings);
 * }</pre>
 *
 * <p>Please refer to the GitHub repository's samples for more quickstart code snippets.
 */
@Generated("by gapic-generator-java")
public class RegionInstanceGroupManagersClient implements BackgroundResource {
  private final RegionInstanceGroupManagersSettings settings;
  private final RegionInstanceGroupManagersStub stub;

  /** Constructs an instance of RegionInstanceGroupManagersClient with default settings. */
  public static final RegionInstanceGroupManagersClient create() throws IOException {
    return create(RegionInstanceGroupManagersSettings.newBuilder().build());
  }

  /**
   * Constructs an instance of RegionInstanceGroupManagersClient, using the given settings. The
   * channels are created based on the settings passed in, or defaults for any settings that are not
   * set.
   */
  public static final RegionInstanceGroupManagersClient create(
      RegionInstanceGroupManagersSettings settings) throws IOException {
    return new RegionInstanceGroupManagersClient(settings);
  }

  /**
   * Constructs an instance of RegionInstanceGroupManagersClient, using the given stub for making
   * calls. This is for advanced usage - prefer using create(RegionInstanceGroupManagersSettings).
   */
  public static final RegionInstanceGroupManagersClient create(
      RegionInstanceGroupManagersStub stub) {
    return new RegionInstanceGroupManagersClient(stub);
  }

  /**
   * Constructs an instance of RegionInstanceGroupManagersClient, using the given settings. This is
   * protected so that it is easy to make a subclass, but otherwise, the static factory methods
   * should be preferred.
   */
  protected RegionInstanceGroupManagersClient(RegionInstanceGroupManagersSettings settings)
      throws IOException {
    this.settings = settings;
    this.stub = ((RegionInstanceGroupManagersStubSettings) settings.getStubSettings()).createStub();
  }

  protected RegionInstanceGroupManagersClient(RegionInstanceGroupManagersStub stub) {
    this.settings = null;
    this.stub = stub;
  }

  public final RegionInstanceGroupManagersSettings getSettings() {
    return settings;
  }

  public RegionInstanceGroupManagersStub getStub() {
    return stub;
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Flags the specified instances to be immediately removed from the managed instance group.
   * Abandoning an instance does not delete the instance, but it does remove the instance from any
   * target pools that are applied by the managed instance group. This method reduces the targetSize
   * of the managed instance group by the number of instances that you abandon. This operation is
   * marked as DONE when the action is scheduled even if the instances have not yet been removed
   * from the group. You must separately verify the status of the abandoning action with the
   * listmanagedinstances method. If the group is part of a backend service that has enabled
   * connection draining, it can take up to 60 seconds after the connection draining duration has
   * elapsed before the VM instance is removed or deleted. You can specify a maximum of 1000
   * instances with this method per request.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   String project = "project-309310695";
   *   String region = "region-934795532";
   *   String instanceGroupManager = "instanceGroupManager-388242077";
   *   RegionInstanceGroupManagersAbandonInstancesRequest
   *       regionInstanceGroupManagersAbandonInstancesRequestResource =
   *           RegionInstanceGroupManagersAbandonInstancesRequest.newBuilder().build();
   *   Operation response =
   *       regionInstanceGroupManagersClient
   *           .abandonInstancesAsync(
   *               project,
   *               region,
   *               instanceGroupManager,
   *               regionInstanceGroupManagersAbandonInstancesRequestResource)
   *           .get();
   * }
   * }</pre>
   *
   * @param project Project ID for this request.
   * @param region Name of the region scoping this request.
   * @param instanceGroupManager Name of the managed instance group.
   * @param regionInstanceGroupManagersAbandonInstancesRequestResource The body resource for this
   *     request
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final OperationFuture<Operation, Operation> abandonInstancesAsync(
      String project,
      String region,
      String instanceGroupManager,
      RegionInstanceGroupManagersAbandonInstancesRequest
          regionInstanceGroupManagersAbandonInstancesRequestResource) {
    AbandonInstancesRegionInstanceGroupManagerRequest request =
        AbandonInstancesRegionInstanceGroupManagerRequest.newBuilder()
            .setProject(project)
            .setRegion(region)
            .setInstanceGroupManager(instanceGroupManager)
            .setRegionInstanceGroupManagersAbandonInstancesRequestResource(
                regionInstanceGroupManagersAbandonInstancesRequestResource)
            .build();
    return abandonInstancesAsync(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Flags the specified instances to be immediately removed from the managed instance group.
   * Abandoning an instance does not delete the instance, but it does remove the instance from any
   * target pools that are applied by the managed instance group. This method reduces the targetSize
   * of the managed instance group by the number of instances that you abandon. This operation is
   * marked as DONE when the action is scheduled even if the instances have not yet been removed
   * from the group. You must separately verify the status of the abandoning action with the
   * listmanagedinstances method. If the group is part of a backend service that has enabled
   * connection draining, it can take up to 60 seconds after the connection draining duration has
   * elapsed before the VM instance is removed or deleted. You can specify a maximum of 1000
   * instances with this method per request.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   AbandonInstancesRegionInstanceGroupManagerRequest request =
   *       AbandonInstancesRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersAbandonInstancesRequestResource(
   *               RegionInstanceGroupManagersAbandonInstancesRequest.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   Operation response = regionInstanceGroupManagersClient.abandonInstancesAsync(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
   */
  @BetaApi(
      "The surface for long-running operations is not stable yet and may change in the future.")
  public final OperationFuture<Operation, Operation> abandonInstancesAsync(
      AbandonInstancesRegionInstanceGroupManagerRequest request) {
    return abandonInstancesOperationCallable().futureCall(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Flags the specified instances to be immediately removed from the managed instance group.
   * Abandoning an instance does not delete the instance, but it does remove the instance from any
   * target pools that are applied by the managed instance group. This method reduces the targetSize
   * of the managed instance group by the number of instances that you abandon. This operation is
   * marked as DONE when the action is scheduled even if the instances have not yet been removed
   * from the group. You must separately verify the status of the abandoning action with the
   * listmanagedinstances method. If the group is part of a backend service that has enabled
   * connection draining, it can take up to 60 seconds after the connection draining duration has
   * elapsed before the VM instance is removed or deleted. You can specify a maximum of 1000
   * instances with this method per request.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   AbandonInstancesRegionInstanceGroupManagerRequest request =
   *       AbandonInstancesRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersAbandonInstancesRequestResource(
   *               RegionInstanceGroupManagersAbandonInstancesRequest.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   OperationFuture<Operation, Operation> future =
   *       regionInstanceGroupManagersClient.abandonInstancesOperationCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final OperationCallable<
          AbandonInstancesRegionInstanceGroupManagerRequest, Operation, Operation>
      abandonInstancesOperationCallable() {
    return stub.abandonInstancesOperationCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Flags the specified instances to be immediately removed from the managed instance group.
   * Abandoning an instance does not delete the instance, but it does remove the instance from any
   * target pools that are applied by the managed instance group. This method reduces the targetSize
   * of the managed instance group by the number of instances that you abandon. This operation is
   * marked as DONE when the action is scheduled even if the instances have not yet been removed
   * from the group. You must separately verify the status of the abandoning action with the
   * listmanagedinstances method. If the group is part of a backend service that has enabled
   * connection draining, it can take up to 60 seconds after the connection draining duration has
   * elapsed before the VM instance is removed or deleted. You can specify a maximum of 1000
   * instances with this method per request.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   AbandonInstancesRegionInstanceGroupManagerRequest request =
   *       AbandonInstancesRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersAbandonInstancesRequestResource(
   *               RegionInstanceGroupManagersAbandonInstancesRequest.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   ApiFuture<Operation> future =
   *       regionInstanceGroupManagersClient.abandonInstancesCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final UnaryCallable<AbandonInstancesRegionInstanceGroupManagerRequest, Operation>
      abandonInstancesCallable() {
    return stub.abandonInstancesCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Apply updates to selected instances the managed instance group.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   String project = "project-309310695";
   *   String region = "region-934795532";
   *   String instanceGroupManager = "instanceGroupManager-388242077";
   *   RegionInstanceGroupManagersApplyUpdatesRequest
   *       regionInstanceGroupManagersApplyUpdatesRequestResource =
   *           RegionInstanceGroupManagersApplyUpdatesRequest.newBuilder().build();
   *   Operation response =
   *       regionInstanceGroupManagersClient
   *           .applyUpdatesToInstancesAsync(
   *               project,
   *               region,
   *               instanceGroupManager,
   *               regionInstanceGroupManagersApplyUpdatesRequestResource)
   *           .get();
   * }
   * }</pre>
   *
   * @param project Project ID for this request.
   * @param region Name of the region scoping this request, should conform to RFC1035.
   * @param instanceGroupManager The name of the managed instance group, should conform to RFC1035.
   * @param regionInstanceGroupManagersApplyUpdatesRequestResource The body resource for this
   *     request
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final OperationFuture<Operation, Operation> applyUpdatesToInstancesAsync(
      String project,
      String region,
      String instanceGroupManager,
      RegionInstanceGroupManagersApplyUpdatesRequest
          regionInstanceGroupManagersApplyUpdatesRequestResource) {
    ApplyUpdatesToInstancesRegionInstanceGroupManagerRequest request =
        ApplyUpdatesToInstancesRegionInstanceGroupManagerRequest.newBuilder()
            .setProject(project)
            .setRegion(region)
            .setInstanceGroupManager(instanceGroupManager)
            .setRegionInstanceGroupManagersApplyUpdatesRequestResource(
                regionInstanceGroupManagersApplyUpdatesRequestResource)
            .build();
    return applyUpdatesToInstancesAsync(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Apply updates to selected instances the managed instance group.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   ApplyUpdatesToInstancesRegionInstanceGroupManagerRequest request =
   *       ApplyUpdatesToInstancesRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersApplyUpdatesRequestResource(
   *               RegionInstanceGroupManagersApplyUpdatesRequest.newBuilder().build())
   *           .build();
   *   Operation response =
   *       regionInstanceGroupManagersClient.applyUpdatesToInstancesAsync(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
   */
  @BetaApi(
      "The surface for long-running operations is not stable yet and may change in the future.")
  public final OperationFuture<Operation, Operation> applyUpdatesToInstancesAsync(
      ApplyUpdatesToInstancesRegionInstanceGroupManagerRequest request) {
    return applyUpdatesToInstancesOperationCallable().futureCall(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Apply updates to selected instances the managed instance group.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   ApplyUpdatesToInstancesRegionInstanceGroupManagerRequest request =
   *       ApplyUpdatesToInstancesRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersApplyUpdatesRequestResource(
   *               RegionInstanceGroupManagersApplyUpdatesRequest.newBuilder().build())
   *           .build();
   *   OperationFuture<Operation, Operation> future =
   *       regionInstanceGroupManagersClient
   *           .applyUpdatesToInstancesOperationCallable()
   *           .futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final OperationCallable<
          ApplyUpdatesToInstancesRegionInstanceGroupManagerRequest, Operation, Operation>
      applyUpdatesToInstancesOperationCallable() {
    return stub.applyUpdatesToInstancesOperationCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Apply updates to selected instances the managed instance group.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   ApplyUpdatesToInstancesRegionInstanceGroupManagerRequest request =
   *       ApplyUpdatesToInstancesRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersApplyUpdatesRequestResource(
   *               RegionInstanceGroupManagersApplyUpdatesRequest.newBuilder().build())
   *           .build();
   *   ApiFuture<Operation> future =
   *       regionInstanceGroupManagersClient.applyUpdatesToInstancesCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final UnaryCallable<ApplyUpdatesToInstancesRegionInstanceGroupManagerRequest, Operation>
      applyUpdatesToInstancesCallable() {
    return stub.applyUpdatesToInstancesCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Creates instances with per-instance configurations in this regional managed instance group.
   * Instances are created using the current instance template. The create instances operation is
   * marked DONE if the createInstances request is successful. The underlying actions take
   * additional time. You must separately verify the status of the creating or actions with the
   * listmanagedinstances method.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   String project = "project-309310695";
   *   String region = "region-934795532";
   *   String instanceGroupManager = "instanceGroupManager-388242077";
   *   RegionInstanceGroupManagersCreateInstancesRequest
   *       regionInstanceGroupManagersCreateInstancesRequestResource =
   *           RegionInstanceGroupManagersCreateInstancesRequest.newBuilder().build();
   *   Operation response =
   *       regionInstanceGroupManagersClient
   *           .createInstancesAsync(
   *               project,
   *               region,
   *               instanceGroupManager,
   *               regionInstanceGroupManagersCreateInstancesRequestResource)
   *           .get();
   * }
   * }</pre>
   *
   * @param project Project ID for this request.
   * @param region The name of the region where the managed instance group is located. It should
   *     conform to RFC1035.
   * @param instanceGroupManager The name of the managed instance group. It should conform to
   *     RFC1035.
   * @param regionInstanceGroupManagersCreateInstancesRequestResource The body resource for this
   *     request
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final OperationFuture<Operation, Operation> createInstancesAsync(
      String project,
      String region,
      String instanceGroupManager,
      RegionInstanceGroupManagersCreateInstancesRequest
          regionInstanceGroupManagersCreateInstancesRequestResource) {
    CreateInstancesRegionInstanceGroupManagerRequest request =
        CreateInstancesRegionInstanceGroupManagerRequest.newBuilder()
            .setProject(project)
            .setRegion(region)
            .setInstanceGroupManager(instanceGroupManager)
            .setRegionInstanceGroupManagersCreateInstancesRequestResource(
                regionInstanceGroupManagersCreateInstancesRequestResource)
            .build();
    return createInstancesAsync(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Creates instances with per-instance configurations in this regional managed instance group.
   * Instances are created using the current instance template. The create instances operation is
   * marked DONE if the createInstances request is successful. The underlying actions take
   * additional time. You must separately verify the status of the creating or actions with the
   * listmanagedinstances method.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   CreateInstancesRegionInstanceGroupManagerRequest request =
   *       CreateInstancesRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersCreateInstancesRequestResource(
   *               RegionInstanceGroupManagersCreateInstancesRequest.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   Operation response = regionInstanceGroupManagersClient.createInstancesAsync(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
   */
  @BetaApi(
      "The surface for long-running operations is not stable yet and may change in the future.")
  public final OperationFuture<Operation, Operation> createInstancesAsync(
      CreateInstancesRegionInstanceGroupManagerRequest request) {
    return createInstancesOperationCallable().futureCall(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Creates instances with per-instance configurations in this regional managed instance group.
   * Instances are created using the current instance template. The create instances operation is
   * marked DONE if the createInstances request is successful. The underlying actions take
   * additional time. You must separately verify the status of the creating or actions with the
   * listmanagedinstances method.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   CreateInstancesRegionInstanceGroupManagerRequest request =
   *       CreateInstancesRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersCreateInstancesRequestResource(
   *               RegionInstanceGroupManagersCreateInstancesRequest.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   OperationFuture<Operation, Operation> future =
   *       regionInstanceGroupManagersClient.createInstancesOperationCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final OperationCallable<
          CreateInstancesRegionInstanceGroupManagerRequest, Operation, Operation>
      createInstancesOperationCallable() {
    return stub.createInstancesOperationCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Creates instances with per-instance configurations in this regional managed instance group.
   * Instances are created using the current instance template. The create instances operation is
   * marked DONE if the createInstances request is successful. The underlying actions take
   * additional time. You must separately verify the status of the creating or actions with the
   * listmanagedinstances method.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   CreateInstancesRegionInstanceGroupManagerRequest request =
   *       CreateInstancesRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersCreateInstancesRequestResource(
   *               RegionInstanceGroupManagersCreateInstancesRequest.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   ApiFuture<Operation> future =
   *       regionInstanceGroupManagersClient.createInstancesCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final UnaryCallable<CreateInstancesRegionInstanceGroupManagerRequest, Operation>
      createInstancesCallable() {
    return stub.createInstancesCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Deletes the specified managed instance group and all of the instances in that group.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   String project = "project-309310695";
   *   String region = "region-934795532";
   *   String instanceGroupManager = "instanceGroupManager-388242077";
   *   Operation response =
   *       regionInstanceGroupManagersClient
   *           .deleteAsync(project, region, instanceGroupManager)
   *           .get();
   * }
   * }</pre>
   *
   * @param project Project ID for this request.
   * @param region Name of the region scoping this request.
   * @param instanceGroupManager Name of the managed instance group to delete.
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final OperationFuture<Operation, Operation> deleteAsync(
      String project, String region, String instanceGroupManager) {
    DeleteRegionInstanceGroupManagerRequest request =
        DeleteRegionInstanceGroupManagerRequest.newBuilder()
            .setProject(project)
            .setRegion(region)
            .setInstanceGroupManager(instanceGroupManager)
            .build();
    return deleteAsync(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Deletes the specified managed instance group and all of the instances in that group.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   DeleteRegionInstanceGroupManagerRequest request =
   *       DeleteRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRequestId("requestId693933066")
   *           .build();
   *   Operation response = regionInstanceGroupManagersClient.deleteAsync(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
   */
  @BetaApi(
      "The surface for long-running operations is not stable yet and may change in the future.")
  public final OperationFuture<Operation, Operation> deleteAsync(
      DeleteRegionInstanceGroupManagerRequest request) {
    return deleteOperationCallable().futureCall(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Deletes the specified managed instance group and all of the instances in that group.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   DeleteRegionInstanceGroupManagerRequest request =
   *       DeleteRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRequestId("requestId693933066")
   *           .build();
   *   OperationFuture<Operation, Operation> future =
   *       regionInstanceGroupManagersClient.deleteOperationCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final OperationCallable<DeleteRegionInstanceGroupManagerRequest, Operation, Operation>
      deleteOperationCallable() {
    return stub.deleteOperationCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Deletes the specified managed instance group and all of the instances in that group.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   DeleteRegionInstanceGroupManagerRequest request =
   *       DeleteRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRequestId("requestId693933066")
   *           .build();
   *   ApiFuture<Operation> future =
   *       regionInstanceGroupManagersClient.deleteCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final UnaryCallable<DeleteRegionInstanceGroupManagerRequest, Operation> deleteCallable() {
    return stub.deleteCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Flags the specified instances in the managed instance group to be immediately deleted. The
   * instances are also removed from any target pools of which they were a member. This method
   * reduces the targetSize of the managed instance group by the number of instances that you
   * delete. The deleteInstances operation is marked DONE if the deleteInstances request is
   * successful. The underlying actions take additional time. You must separately verify the status
   * of the deleting action with the listmanagedinstances method. If the group is part of a backend
   * service that has enabled connection draining, it can take up to 60 seconds after the connection
   * draining duration has elapsed before the VM instance is removed or deleted. You can specify a
   * maximum of 1000 instances with this method per request.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   String project = "project-309310695";
   *   String region = "region-934795532";
   *   String instanceGroupManager = "instanceGroupManager-388242077";
   *   RegionInstanceGroupManagersDeleteInstancesRequest
   *       regionInstanceGroupManagersDeleteInstancesRequestResource =
   *           RegionInstanceGroupManagersDeleteInstancesRequest.newBuilder().build();
   *   Operation response =
   *       regionInstanceGroupManagersClient
   *           .deleteInstancesAsync(
   *               project,
   *               region,
   *               instanceGroupManager,
   *               regionInstanceGroupManagersDeleteInstancesRequestResource)
   *           .get();
   * }
   * }</pre>
   *
   * @param project Project ID for this request.
   * @param region Name of the region scoping this request.
   * @param instanceGroupManager Name of the managed instance group.
   * @param regionInstanceGroupManagersDeleteInstancesRequestResource The body resource for this
   *     request
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final OperationFuture<Operation, Operation> deleteInstancesAsync(
      String project,
      String region,
      String instanceGroupManager,
      RegionInstanceGroupManagersDeleteInstancesRequest
          regionInstanceGroupManagersDeleteInstancesRequestResource) {
    DeleteInstancesRegionInstanceGroupManagerRequest request =
        DeleteInstancesRegionInstanceGroupManagerRequest.newBuilder()
            .setProject(project)
            .setRegion(region)
            .setInstanceGroupManager(instanceGroupManager)
            .setRegionInstanceGroupManagersDeleteInstancesRequestResource(
                regionInstanceGroupManagersDeleteInstancesRequestResource)
            .build();
    return deleteInstancesAsync(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Flags the specified instances in the managed instance group to be immediately deleted. The
   * instances are also removed from any target pools of which they were a member. This method
   * reduces the targetSize of the managed instance group by the number of instances that you
   * delete. The deleteInstances operation is marked DONE if the deleteInstances request is
   * successful. The underlying actions take additional time. You must separately verify the status
   * of the deleting action with the listmanagedinstances method. If the group is part of a backend
   * service that has enabled connection draining, it can take up to 60 seconds after the connection
   * draining duration has elapsed before the VM instance is removed or deleted. You can specify a
   * maximum of 1000 instances with this method per request.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   DeleteInstancesRegionInstanceGroupManagerRequest request =
   *       DeleteInstancesRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersDeleteInstancesRequestResource(
   *               RegionInstanceGroupManagersDeleteInstancesRequest.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   Operation response = regionInstanceGroupManagersClient.deleteInstancesAsync(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
   */
  @BetaApi(
      "The surface for long-running operations is not stable yet and may change in the future.")
  public final OperationFuture<Operation, Operation> deleteInstancesAsync(
      DeleteInstancesRegionInstanceGroupManagerRequest request) {
    return deleteInstancesOperationCallable().futureCall(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Flags the specified instances in the managed instance group to be immediately deleted. The
   * instances are also removed from any target pools of which they were a member. This method
   * reduces the targetSize of the managed instance group by the number of instances that you
   * delete. The deleteInstances operation is marked DONE if the deleteInstances request is
   * successful. The underlying actions take additional time. You must separately verify the status
   * of the deleting action with the listmanagedinstances method. If the group is part of a backend
   * service that has enabled connection draining, it can take up to 60 seconds after the connection
   * draining duration has elapsed before the VM instance is removed or deleted. You can specify a
   * maximum of 1000 instances with this method per request.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   DeleteInstancesRegionInstanceGroupManagerRequest request =
   *       DeleteInstancesRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersDeleteInstancesRequestResource(
   *               RegionInstanceGroupManagersDeleteInstancesRequest.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   OperationFuture<Operation, Operation> future =
   *       regionInstanceGroupManagersClient.deleteInstancesOperationCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final OperationCallable<
          DeleteInstancesRegionInstanceGroupManagerRequest, Operation, Operation>
      deleteInstancesOperationCallable() {
    return stub.deleteInstancesOperationCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Flags the specified instances in the managed instance group to be immediately deleted. The
   * instances are also removed from any target pools of which they were a member. This method
   * reduces the targetSize of the managed instance group by the number of instances that you
   * delete. The deleteInstances operation is marked DONE if the deleteInstances request is
   * successful. The underlying actions take additional time. You must separately verify the status
   * of the deleting action with the listmanagedinstances method. If the group is part of a backend
   * service that has enabled connection draining, it can take up to 60 seconds after the connection
   * draining duration has elapsed before the VM instance is removed or deleted. You can specify a
   * maximum of 1000 instances with this method per request.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   DeleteInstancesRegionInstanceGroupManagerRequest request =
   *       DeleteInstancesRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersDeleteInstancesRequestResource(
   *               RegionInstanceGroupManagersDeleteInstancesRequest.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   ApiFuture<Operation> future =
   *       regionInstanceGroupManagersClient.deleteInstancesCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final UnaryCallable<DeleteInstancesRegionInstanceGroupManagerRequest, Operation>
      deleteInstancesCallable() {
    return stub.deleteInstancesCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Deletes selected per-instance configurations for the managed instance group.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   String project = "project-309310695";
   *   String region = "region-934795532";
   *   String instanceGroupManager = "instanceGroupManager-388242077";
   *   RegionInstanceGroupManagerDeleteInstanceConfigReq
   *       regionInstanceGroupManagerDeleteInstanceConfigReqResource =
   *           RegionInstanceGroupManagerDeleteInstanceConfigReq.newBuilder().build();
   *   Operation response =
   *       regionInstanceGroupManagersClient
   *           .deletePerInstanceConfigsAsync(
   *               project,
   *               region,
   *               instanceGroupManager,
   *               regionInstanceGroupManagerDeleteInstanceConfigReqResource)
   *           .get();
   * }
   * }</pre>
   *
   * @param project Project ID for this request.
   * @param region Name of the region scoping this request, should conform to RFC1035.
   * @param instanceGroupManager The name of the managed instance group. It should conform to
   *     RFC1035.
   * @param regionInstanceGroupManagerDeleteInstanceConfigReqResource The body resource for this
   *     request
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final OperationFuture<Operation, Operation> deletePerInstanceConfigsAsync(
      String project,
      String region,
      String instanceGroupManager,
      RegionInstanceGroupManagerDeleteInstanceConfigReq
          regionInstanceGroupManagerDeleteInstanceConfigReqResource) {
    DeletePerInstanceConfigsRegionInstanceGroupManagerRequest request =
        DeletePerInstanceConfigsRegionInstanceGroupManagerRequest.newBuilder()
            .setProject(project)
            .setRegion(region)
            .setInstanceGroupManager(instanceGroupManager)
            .setRegionInstanceGroupManagerDeleteInstanceConfigReqResource(
                regionInstanceGroupManagerDeleteInstanceConfigReqResource)
            .build();
    return deletePerInstanceConfigsAsync(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Deletes selected per-instance configurations for the managed instance group.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   DeletePerInstanceConfigsRegionInstanceGroupManagerRequest request =
   *       DeletePerInstanceConfigsRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagerDeleteInstanceConfigReqResource(
   *               RegionInstanceGroupManagerDeleteInstanceConfigReq.newBuilder().build())
   *           .build();
   *   Operation response =
   *       regionInstanceGroupManagersClient.deletePerInstanceConfigsAsync(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
   */
  @BetaApi(
      "The surface for long-running operations is not stable yet and may change in the future.")
  public final OperationFuture<Operation, Operation> deletePerInstanceConfigsAsync(
      DeletePerInstanceConfigsRegionInstanceGroupManagerRequest request) {
    return deletePerInstanceConfigsOperationCallable().futureCall(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Deletes selected per-instance configurations for the managed instance group.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   DeletePerInstanceConfigsRegionInstanceGroupManagerRequest request =
   *       DeletePerInstanceConfigsRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagerDeleteInstanceConfigReqResource(
   *               RegionInstanceGroupManagerDeleteInstanceConfigReq.newBuilder().build())
   *           .build();
   *   OperationFuture<Operation, Operation> future =
   *       regionInstanceGroupManagersClient
   *           .deletePerInstanceConfigsOperationCallable()
   *           .futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final OperationCallable<
          DeletePerInstanceConfigsRegionInstanceGroupManagerRequest, Operation, Operation>
      deletePerInstanceConfigsOperationCallable() {
    return stub.deletePerInstanceConfigsOperationCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Deletes selected per-instance configurations for the managed instance group.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   DeletePerInstanceConfigsRegionInstanceGroupManagerRequest request =
   *       DeletePerInstanceConfigsRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagerDeleteInstanceConfigReqResource(
   *               RegionInstanceGroupManagerDeleteInstanceConfigReq.newBuilder().build())
   *           .build();
   *   ApiFuture<Operation> future =
   *       regionInstanceGroupManagersClient.deletePerInstanceConfigsCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final UnaryCallable<DeletePerInstanceConfigsRegionInstanceGroupManagerRequest, Operation>
      deletePerInstanceConfigsCallable() {
    return stub.deletePerInstanceConfigsCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Returns all of the details about the specified managed instance group.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   String project = "project-309310695";
   *   String region = "region-934795532";
   *   String instanceGroupManager = "instanceGroupManager-388242077";
   *   InstanceGroupManager response =
   *       regionInstanceGroupManagersClient.get(project, region, instanceGroupManager);
   * }
   * }</pre>
   *
   * @param project Project ID for this request.
   * @param region Name of the region scoping this request.
   * @param instanceGroupManager Name of the managed instance group to return.
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final InstanceGroupManager get(
      String project, String region, String instanceGroupManager) {
    GetRegionInstanceGroupManagerRequest request =
        GetRegionInstanceGroupManagerRequest.newBuilder()
            .setProject(project)
            .setRegion(region)
            .setInstanceGroupManager(instanceGroupManager)
            .build();
    return get(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Returns all of the details about the specified managed instance group.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   GetRegionInstanceGroupManagerRequest request =
   *       GetRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .build();
   *   InstanceGroupManager response = regionInstanceGroupManagersClient.get(request);
   * }
   * }</pre>
   *
   * @param request The request object containing all of the parameters for the API call.
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final InstanceGroupManager get(GetRegionInstanceGroupManagerRequest request) {
    return getCallable().call(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Returns all of the details about the specified managed instance group.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   GetRegionInstanceGroupManagerRequest request =
   *       GetRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .build();
   *   ApiFuture<InstanceGroupManager> future =
   *       regionInstanceGroupManagersClient.getCallable().futureCall(request);
   *   // Do something.
   *   InstanceGroupManager response = future.get();
   * }
   * }</pre>
   */
  public final UnaryCallable<GetRegionInstanceGroupManagerRequest, InstanceGroupManager>
      getCallable() {
    return stub.getCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Creates a managed instance group using the information that you specify in the request. After
   * the group is created, instances in the group are created using the specified instance template.
   * This operation is marked as DONE when the group is created even if the instances in the group
   * have not yet been created. You must separately verify the status of the individual instances
   * with the listmanagedinstances method. A regional managed instance group can contain up to 2000
   * instances.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   String project = "project-309310695";
   *   String region = "region-934795532";
   *   InstanceGroupManager instanceGroupManagerResource = InstanceGroupManager.newBuilder().build();
   *   Operation response =
   *       regionInstanceGroupManagersClient
   *           .insertAsync(project, region, instanceGroupManagerResource)
   *           .get();
   * }
   * }</pre>
   *
   * @param project Project ID for this request.
   * @param region Name of the region scoping this request.
   * @param instanceGroupManagerResource The body resource for this request
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final OperationFuture<Operation, Operation> insertAsync(
      String project, String region, InstanceGroupManager instanceGroupManagerResource) {
    InsertRegionInstanceGroupManagerRequest request =
        InsertRegionInstanceGroupManagerRequest.newBuilder()
            .setProject(project)
            .setRegion(region)
            .setInstanceGroupManagerResource(instanceGroupManagerResource)
            .build();
    return insertAsync(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Creates a managed instance group using the information that you specify in the request. After
   * the group is created, instances in the group are created using the specified instance template.
   * This operation is marked as DONE when the group is created even if the instances in the group
   * have not yet been created. You must separately verify the status of the individual instances
   * with the listmanagedinstances method. A regional managed instance group can contain up to 2000
   * instances.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   InsertRegionInstanceGroupManagerRequest request =
   *       InsertRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManagerResource(InstanceGroupManager.newBuilder().build())
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRequestId("requestId693933066")
   *           .build();
   *   Operation response = regionInstanceGroupManagersClient.insertAsync(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
   */
  @BetaApi(
      "The surface for long-running operations is not stable yet and may change in the future.")
  public final OperationFuture<Operation, Operation> insertAsync(
      InsertRegionInstanceGroupManagerRequest request) {
    return insertOperationCallable().futureCall(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Creates a managed instance group using the information that you specify in the request. After
   * the group is created, instances in the group are created using the specified instance template.
   * This operation is marked as DONE when the group is created even if the instances in the group
   * have not yet been created. You must separately verify the status of the individual instances
   * with the listmanagedinstances method. A regional managed instance group can contain up to 2000
   * instances.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   InsertRegionInstanceGroupManagerRequest request =
   *       InsertRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManagerResource(InstanceGroupManager.newBuilder().build())
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRequestId("requestId693933066")
   *           .build();
   *   OperationFuture<Operation, Operation> future =
   *       regionInstanceGroupManagersClient.insertOperationCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final OperationCallable<InsertRegionInstanceGroupManagerRequest, Operation, Operation>
      insertOperationCallable() {
    return stub.insertOperationCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Creates a managed instance group using the information that you specify in the request. After
   * the group is created, instances in the group are created using the specified instance template.
   * This operation is marked as DONE when the group is created even if the instances in the group
   * have not yet been created. You must separately verify the status of the individual instances
   * with the listmanagedinstances method. A regional managed instance group can contain up to 2000
   * instances.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   InsertRegionInstanceGroupManagerRequest request =
   *       InsertRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManagerResource(InstanceGroupManager.newBuilder().build())
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRequestId("requestId693933066")
   *           .build();
   *   ApiFuture<Operation> future =
   *       regionInstanceGroupManagersClient.insertCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final UnaryCallable<InsertRegionInstanceGroupManagerRequest, Operation> insertCallable() {
    return stub.insertCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Retrieves the list of managed instance groups that are contained within the specified region.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   String project = "project-309310695";
   *   String region = "region-934795532";
   *   for (InstanceGroupManager element :
   *       regionInstanceGroupManagersClient.list(project, region).iterateAll()) {
   *     // doThingsWith(element);
   *   }
   * }
   * }</pre>
   *
   * @param project Project ID for this request.
   * @param region Name of the region scoping this request.
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final ListPagedResponse list(String project, String region) {
    ListRegionInstanceGroupManagersRequest request =
        ListRegionInstanceGroupManagersRequest.newBuilder()
            .setProject(project)
            .setRegion(region)
            .build();
    return list(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Retrieves the list of managed instance groups that are contained within the specified region.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   ListRegionInstanceGroupManagersRequest request =
   *       ListRegionInstanceGroupManagersRequest.newBuilder()
   *           .setFilter("filter-1274492040")
   *           .setMaxResults(1128457243)
   *           .setOrderBy("orderBy-1207110587")
   *           .setPageToken("pageToken873572522")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setReturnPartialSuccess(true)
   *           .build();
   *   for (InstanceGroupManager element :
   *       regionInstanceGroupManagersClient.list(request).iterateAll()) {
   *     // doThingsWith(element);
   *   }
   * }
   * }</pre>
   *
   * @param request The request object containing all of the parameters for the API call.
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final ListPagedResponse list(ListRegionInstanceGroupManagersRequest request) {
    return listPagedCallable().call(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Retrieves the list of managed instance groups that are contained within the specified region.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   ListRegionInstanceGroupManagersRequest request =
   *       ListRegionInstanceGroupManagersRequest.newBuilder()
   *           .setFilter("filter-1274492040")
   *           .setMaxResults(1128457243)
   *           .setOrderBy("orderBy-1207110587")
   *           .setPageToken("pageToken873572522")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setReturnPartialSuccess(true)
   *           .build();
   *   ApiFuture<InstanceGroupManager> future =
   *       regionInstanceGroupManagersClient.listPagedCallable().futureCall(request);
   *   // Do something.
   *   for (InstanceGroupManager element : future.get().iterateAll()) {
   *     // doThingsWith(element);
   *   }
   * }
   * }</pre>
   */
  public final UnaryCallable<ListRegionInstanceGroupManagersRequest, ListPagedResponse>
      listPagedCallable() {
    return stub.listPagedCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Retrieves the list of managed instance groups that are contained within the specified region.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   ListRegionInstanceGroupManagersRequest request =
   *       ListRegionInstanceGroupManagersRequest.newBuilder()
   *           .setFilter("filter-1274492040")
   *           .setMaxResults(1128457243)
   *           .setOrderBy("orderBy-1207110587")
   *           .setPageToken("pageToken873572522")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setReturnPartialSuccess(true)
   *           .build();
   *   while (true) {
   *     RegionInstanceGroupManagerList response =
   *         regionInstanceGroupManagersClient.listCallable().call(request);
   *     for (InstanceGroupManager element : response.getItemsList()) {
   *       // doThingsWith(element);
   *     }
   *     String nextPageToken = response.getNextPageToken();
   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
   *       request = request.toBuilder().setPageToken(nextPageToken).build();
   *     } else {
   *       break;
   *     }
   *   }
   * }
   * }</pre>
   */
  public final UnaryCallable<ListRegionInstanceGroupManagersRequest, RegionInstanceGroupManagerList>
      listCallable() {
    return stub.listCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Lists all errors thrown by actions on instances for a given regional managed instance group.
   * The filter and orderBy query parameters are not supported.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   String project = "project-309310695";
   *   String region = "region-934795532";
   *   String instanceGroupManager = "instanceGroupManager-388242077";
   *   for (InstanceManagedByIgmError element :
   *       regionInstanceGroupManagersClient
   *           .listErrors(project, region, instanceGroupManager)
   *           .iterateAll()) {
   *     // doThingsWith(element);
   *   }
   * }
   * }</pre>
   *
   * @param project Project ID for this request.
   * @param region Name of the region scoping this request. This should conform to RFC1035.
   * @param instanceGroupManager The name of the managed instance group. It must be a string that
   *     meets the requirements in RFC1035, or an unsigned long integer: must match regexp pattern:
   *     (?:[a-z](?:[-a-z0-9]{0,61}[a-z0-9])?)|1-9{0,19}.
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final ListErrorsPagedResponse listErrors(
      String project, String region, String instanceGroupManager) {
    ListErrorsRegionInstanceGroupManagersRequest request =
        ListErrorsRegionInstanceGroupManagersRequest.newBuilder()
            .setProject(project)
            .setRegion(region)
            .setInstanceGroupManager(instanceGroupManager)
            .build();
    return listErrors(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Lists all errors thrown by actions on instances for a given regional managed instance group.
   * The filter and orderBy query parameters are not supported.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   ListErrorsRegionInstanceGroupManagersRequest request =
   *       ListErrorsRegionInstanceGroupManagersRequest.newBuilder()
   *           .setFilter("filter-1274492040")
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setMaxResults(1128457243)
   *           .setOrderBy("orderBy-1207110587")
   *           .setPageToken("pageToken873572522")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setReturnPartialSuccess(true)
   *           .build();
   *   for (InstanceManagedByIgmError element :
   *       regionInstanceGroupManagersClient.listErrors(request).iterateAll()) {
   *     // doThingsWith(element);
   *   }
   * }
   * }</pre>
   *
   * @param request The request object containing all of the parameters for the API call.
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final ListErrorsPagedResponse listErrors(
      ListErrorsRegionInstanceGroupManagersRequest request) {
    return listErrorsPagedCallable().call(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Lists all errors thrown by actions on instances for a given regional managed instance group.
   * The filter and orderBy query parameters are not supported.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   ListErrorsRegionInstanceGroupManagersRequest request =
   *       ListErrorsRegionInstanceGroupManagersRequest.newBuilder()
   *           .setFilter("filter-1274492040")
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setMaxResults(1128457243)
   *           .setOrderBy("orderBy-1207110587")
   *           .setPageToken("pageToken873572522")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setReturnPartialSuccess(true)
   *           .build();
   *   ApiFuture<InstanceManagedByIgmError> future =
   *       regionInstanceGroupManagersClient.listErrorsPagedCallable().futureCall(request);
   *   // Do something.
   *   for (InstanceManagedByIgmError element : future.get().iterateAll()) {
   *     // doThingsWith(element);
   *   }
   * }
   * }</pre>
   */
  public final UnaryCallable<ListErrorsRegionInstanceGroupManagersRequest, ListErrorsPagedResponse>
      listErrorsPagedCallable() {
    return stub.listErrorsPagedCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Lists all errors thrown by actions on instances for a given regional managed instance group.
   * The filter and orderBy query parameters are not supported.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   ListErrorsRegionInstanceGroupManagersRequest request =
   *       ListErrorsRegionInstanceGroupManagersRequest.newBuilder()
   *           .setFilter("filter-1274492040")
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setMaxResults(1128457243)
   *           .setOrderBy("orderBy-1207110587")
   *           .setPageToken("pageToken873572522")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setReturnPartialSuccess(true)
   *           .build();
   *   while (true) {
   *     RegionInstanceGroupManagersListErrorsResponse response =
   *         regionInstanceGroupManagersClient.listErrorsCallable().call(request);
   *     for (InstanceManagedByIgmError element : response.getItemsList()) {
   *       // doThingsWith(element);
   *     }
   *     String nextPageToken = response.getNextPageToken();
   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
   *       request = request.toBuilder().setPageToken(nextPageToken).build();
   *     } else {
   *       break;
   *     }
   *   }
   * }
   * }</pre>
   */
  public final UnaryCallable<
          ListErrorsRegionInstanceGroupManagersRequest,
          RegionInstanceGroupManagersListErrorsResponse>
      listErrorsCallable() {
    return stub.listErrorsCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Lists the instances in the managed instance group and instances that are scheduled to be
   * created. The list includes any current actions that the group has scheduled for its instances.
   * The orderBy query parameter is not supported. The `pageToken` query parameter is supported only
   * in the alpha and beta API and only if the group's `listManagedInstancesResults` field is set to
   * `PAGINATED`.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   String project = "project-309310695";
   *   String region = "region-934795532";
   *   String instanceGroupManager = "instanceGroupManager-388242077";
   *   for (ManagedInstance element :
   *       regionInstanceGroupManagersClient
   *           .listManagedInstances(project, region, instanceGroupManager)
   *           .iterateAll()) {
   *     // doThingsWith(element);
   *   }
   * }
   * }</pre>
   *
   * @param project Project ID for this request.
   * @param region Name of the region scoping this request.
   * @param instanceGroupManager The name of the managed instance group.
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final ListManagedInstancesPagedResponse listManagedInstances(
      String project, String region, String instanceGroupManager) {
    ListManagedInstancesRegionInstanceGroupManagersRequest request =
        ListManagedInstancesRegionInstanceGroupManagersRequest.newBuilder()
            .setProject(project)
            .setRegion(region)
            .setInstanceGroupManager(instanceGroupManager)
            .build();
    return listManagedInstances(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Lists the instances in the managed instance group and instances that are scheduled to be
   * created. The list includes any current actions that the group has scheduled for its instances.
   * The orderBy query parameter is not supported. The `pageToken` query parameter is supported only
   * in the alpha and beta API and only if the group's `listManagedInstancesResults` field is set to
   * `PAGINATED`.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   ListManagedInstancesRegionInstanceGroupManagersRequest request =
   *       ListManagedInstancesRegionInstanceGroupManagersRequest.newBuilder()
   *           .setFilter("filter-1274492040")
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setMaxResults(1128457243)
   *           .setOrderBy("orderBy-1207110587")
   *           .setPageToken("pageToken873572522")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setReturnPartialSuccess(true)
   *           .build();
   *   for (ManagedInstance element :
   *       regionInstanceGroupManagersClient.listManagedInstances(request).iterateAll()) {
   *     // doThingsWith(element);
   *   }
   * }
   * }</pre>
   *
   * @param request The request object containing all of the parameters for the API call.
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final ListManagedInstancesPagedResponse listManagedInstances(
      ListManagedInstancesRegionInstanceGroupManagersRequest request) {
    return listManagedInstancesPagedCallable().call(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Lists the instances in the managed instance group and instances that are scheduled to be
   * created. The list includes any current actions that the group has scheduled for its instances.
   * The orderBy query parameter is not supported. The `pageToken` query parameter is supported only
   * in the alpha and beta API and only if the group's `listManagedInstancesResults` field is set to
   * `PAGINATED`.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   ListManagedInstancesRegionInstanceGroupManagersRequest request =
   *       ListManagedInstancesRegionInstanceGroupManagersRequest.newBuilder()
   *           .setFilter("filter-1274492040")
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setMaxResults(1128457243)
   *           .setOrderBy("orderBy-1207110587")
   *           .setPageToken("pageToken873572522")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setReturnPartialSuccess(true)
   *           .build();
   *   ApiFuture<ManagedInstance> future =
   *       regionInstanceGroupManagersClient.listManagedInstancesPagedCallable().futureCall(request);
   *   // Do something.
   *   for (ManagedInstance element : future.get().iterateAll()) {
   *     // doThingsWith(element);
   *   }
   * }
   * }</pre>
   */
  public final UnaryCallable<
          ListManagedInstancesRegionInstanceGroupManagersRequest, ListManagedInstancesPagedResponse>
      listManagedInstancesPagedCallable() {
    return stub.listManagedInstancesPagedCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Lists the instances in the managed instance group and instances that are scheduled to be
   * created. The list includes any current actions that the group has scheduled for its instances.
   * The orderBy query parameter is not supported. The `pageToken` query parameter is supported only
   * in the alpha and beta API and only if the group's `listManagedInstancesResults` field is set to
   * `PAGINATED`.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   ListManagedInstancesRegionInstanceGroupManagersRequest request =
   *       ListManagedInstancesRegionInstanceGroupManagersRequest.newBuilder()
   *           .setFilter("filter-1274492040")
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setMaxResults(1128457243)
   *           .setOrderBy("orderBy-1207110587")
   *           .setPageToken("pageToken873572522")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setReturnPartialSuccess(true)
   *           .build();
   *   while (true) {
   *     RegionInstanceGroupManagersListInstancesResponse response =
   *         regionInstanceGroupManagersClient.listManagedInstancesCallable().call(request);
   *     for (ManagedInstance element : response.getManagedInstancesList()) {
   *       // doThingsWith(element);
   *     }
   *     String nextPageToken = response.getNextPageToken();
   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
   *       request = request.toBuilder().setPageToken(nextPageToken).build();
   *     } else {
   *       break;
   *     }
   *   }
   * }
   * }</pre>
   */
  public final UnaryCallable<
          ListManagedInstancesRegionInstanceGroupManagersRequest,
          RegionInstanceGroupManagersListInstancesResponse>
      listManagedInstancesCallable() {
    return stub.listManagedInstancesCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Lists all of the per-instance configurations defined for the managed instance group. The
   * orderBy query parameter is not supported.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   String project = "project-309310695";
   *   String region = "region-934795532";
   *   String instanceGroupManager = "instanceGroupManager-388242077";
   *   for (PerInstanceConfig element :
   *       regionInstanceGroupManagersClient
   *           .listPerInstanceConfigs(project, region, instanceGroupManager)
   *           .iterateAll()) {
   *     // doThingsWith(element);
   *   }
   * }
   * }</pre>
   *
   * @param project Project ID for this request.
   * @param region Name of the region scoping this request, should conform to RFC1035.
   * @param instanceGroupManager The name of the managed instance group. It should conform to
   *     RFC1035.
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final ListPerInstanceConfigsPagedResponse listPerInstanceConfigs(
      String project, String region, String instanceGroupManager) {
    ListPerInstanceConfigsRegionInstanceGroupManagersRequest request =
        ListPerInstanceConfigsRegionInstanceGroupManagersRequest.newBuilder()
            .setProject(project)
            .setRegion(region)
            .setInstanceGroupManager(instanceGroupManager)
            .build();
    return listPerInstanceConfigs(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Lists all of the per-instance configurations defined for the managed instance group. The
   * orderBy query parameter is not supported.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   ListPerInstanceConfigsRegionInstanceGroupManagersRequest request =
   *       ListPerInstanceConfigsRegionInstanceGroupManagersRequest.newBuilder()
   *           .setFilter("filter-1274492040")
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setMaxResults(1128457243)
   *           .setOrderBy("orderBy-1207110587")
   *           .setPageToken("pageToken873572522")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setReturnPartialSuccess(true)
   *           .build();
   *   for (PerInstanceConfig element :
   *       regionInstanceGroupManagersClient.listPerInstanceConfigs(request).iterateAll()) {
   *     // doThingsWith(element);
   *   }
   * }
   * }</pre>
   *
   * @param request The request object containing all of the parameters for the API call.
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final ListPerInstanceConfigsPagedResponse listPerInstanceConfigs(
      ListPerInstanceConfigsRegionInstanceGroupManagersRequest request) {
    return listPerInstanceConfigsPagedCallable().call(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Lists all of the per-instance configurations defined for the managed instance group. The
   * orderBy query parameter is not supported.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   ListPerInstanceConfigsRegionInstanceGroupManagersRequest request =
   *       ListPerInstanceConfigsRegionInstanceGroupManagersRequest.newBuilder()
   *           .setFilter("filter-1274492040")
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setMaxResults(1128457243)
   *           .setOrderBy("orderBy-1207110587")
   *           .setPageToken("pageToken873572522")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setReturnPartialSuccess(true)
   *           .build();
   *   ApiFuture<PerInstanceConfig> future =
   *       regionInstanceGroupManagersClient
   *           .listPerInstanceConfigsPagedCallable()
   *           .futureCall(request);
   *   // Do something.
   *   for (PerInstanceConfig element : future.get().iterateAll()) {
   *     // doThingsWith(element);
   *   }
   * }
   * }</pre>
   */
  public final UnaryCallable<
          ListPerInstanceConfigsRegionInstanceGroupManagersRequest,
          ListPerInstanceConfigsPagedResponse>
      listPerInstanceConfigsPagedCallable() {
    return stub.listPerInstanceConfigsPagedCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Lists all of the per-instance configurations defined for the managed instance group. The
   * orderBy query parameter is not supported.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   ListPerInstanceConfigsRegionInstanceGroupManagersRequest request =
   *       ListPerInstanceConfigsRegionInstanceGroupManagersRequest.newBuilder()
   *           .setFilter("filter-1274492040")
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setMaxResults(1128457243)
   *           .setOrderBy("orderBy-1207110587")
   *           .setPageToken("pageToken873572522")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setReturnPartialSuccess(true)
   *           .build();
   *   while (true) {
   *     RegionInstanceGroupManagersListInstanceConfigsResp response =
   *         regionInstanceGroupManagersClient.listPerInstanceConfigsCallable().call(request);
   *     for (PerInstanceConfig element : response.getItemsList()) {
   *       // doThingsWith(element);
   *     }
   *     String nextPageToken = response.getNextPageToken();
   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
   *       request = request.toBuilder().setPageToken(nextPageToken).build();
   *     } else {
   *       break;
   *     }
   *   }
   * }
   * }</pre>
   */
  public final UnaryCallable<
          ListPerInstanceConfigsRegionInstanceGroupManagersRequest,
          RegionInstanceGroupManagersListInstanceConfigsResp>
      listPerInstanceConfigsCallable() {
    return stub.listPerInstanceConfigsCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Updates a managed instance group using the information that you specify in the request. This
   * operation is marked as DONE when the group is patched even if the instances in the group are
   * still in the process of being patched. You must separately verify the status of the individual
   * instances with the listmanagedinstances method. This method supports PATCH semantics and uses
   * the JSON merge patch format and processing rules. If you update your group to specify a new
   * template or instance configuration, it's possible that your intended specification for each VM
   * in the group is different from the current state of that VM. To learn how to apply an updated
   * configuration to the VMs in a MIG, see Updating instances in a MIG.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   String project = "project-309310695";
   *   String region = "region-934795532";
   *   String instanceGroupManager = "instanceGroupManager-388242077";
   *   InstanceGroupManager instanceGroupManagerResource = InstanceGroupManager.newBuilder().build();
   *   Operation response =
   *       regionInstanceGroupManagersClient
   *           .patchAsync(project, region, instanceGroupManager, instanceGroupManagerResource)
   *           .get();
   * }
   * }</pre>
   *
   * @param project Project ID for this request.
   * @param region Name of the region scoping this request.
   * @param instanceGroupManager The name of the instance group manager.
   * @param instanceGroupManagerResource The body resource for this request
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final OperationFuture<Operation, Operation> patchAsync(
      String project,
      String region,
      String instanceGroupManager,
      InstanceGroupManager instanceGroupManagerResource) {
    PatchRegionInstanceGroupManagerRequest request =
        PatchRegionInstanceGroupManagerRequest.newBuilder()
            .setProject(project)
            .setRegion(region)
            .setInstanceGroupManager(instanceGroupManager)
            .setInstanceGroupManagerResource(instanceGroupManagerResource)
            .build();
    return patchAsync(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Updates a managed instance group using the information that you specify in the request. This
   * operation is marked as DONE when the group is patched even if the instances in the group are
   * still in the process of being patched. You must separately verify the status of the individual
   * instances with the listmanagedinstances method. This method supports PATCH semantics and uses
   * the JSON merge patch format and processing rules. If you update your group to specify a new
   * template or instance configuration, it's possible that your intended specification for each VM
   * in the group is different from the current state of that VM. To learn how to apply an updated
   * configuration to the VMs in a MIG, see Updating instances in a MIG.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   PatchRegionInstanceGroupManagerRequest request =
   *       PatchRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setInstanceGroupManagerResource(InstanceGroupManager.newBuilder().build())
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRequestId("requestId693933066")
   *           .build();
   *   Operation response = regionInstanceGroupManagersClient.patchAsync(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
   */
  @BetaApi(
      "The surface for long-running operations is not stable yet and may change in the future.")
  public final OperationFuture<Operation, Operation> patchAsync(
      PatchRegionInstanceGroupManagerRequest request) {
    return patchOperationCallable().futureCall(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Updates a managed instance group using the information that you specify in the request. This
   * operation is marked as DONE when the group is patched even if the instances in the group are
   * still in the process of being patched. You must separately verify the status of the individual
   * instances with the listmanagedinstances method. This method supports PATCH semantics and uses
   * the JSON merge patch format and processing rules. If you update your group to specify a new
   * template or instance configuration, it's possible that your intended specification for each VM
   * in the group is different from the current state of that VM. To learn how to apply an updated
   * configuration to the VMs in a MIG, see Updating instances in a MIG.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   PatchRegionInstanceGroupManagerRequest request =
   *       PatchRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setInstanceGroupManagerResource(InstanceGroupManager.newBuilder().build())
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRequestId("requestId693933066")
   *           .build();
   *   OperationFuture<Operation, Operation> future =
   *       regionInstanceGroupManagersClient.patchOperationCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final OperationCallable<PatchRegionInstanceGroupManagerRequest, Operation, Operation>
      patchOperationCallable() {
    return stub.patchOperationCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Updates a managed instance group using the information that you specify in the request. This
   * operation is marked as DONE when the group is patched even if the instances in the group are
   * still in the process of being patched. You must separately verify the status of the individual
   * instances with the listmanagedinstances method. This method supports PATCH semantics and uses
   * the JSON merge patch format and processing rules. If you update your group to specify a new
   * template or instance configuration, it's possible that your intended specification for each VM
   * in the group is different from the current state of that VM. To learn how to apply an updated
   * configuration to the VMs in a MIG, see Updating instances in a MIG.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   PatchRegionInstanceGroupManagerRequest request =
   *       PatchRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setInstanceGroupManagerResource(InstanceGroupManager.newBuilder().build())
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRequestId("requestId693933066")
   *           .build();
   *   ApiFuture<Operation> future =
   *       regionInstanceGroupManagersClient.patchCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final UnaryCallable<PatchRegionInstanceGroupManagerRequest, Operation> patchCallable() {
    return stub.patchCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Inserts or patches per-instance configurations for the managed instance group.
   * perInstanceConfig.name serves as a key used to distinguish whether to perform insert or patch.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   String project = "project-309310695";
   *   String region = "region-934795532";
   *   String instanceGroupManager = "instanceGroupManager-388242077";
   *   RegionInstanceGroupManagerPatchInstanceConfigReq
   *       regionInstanceGroupManagerPatchInstanceConfigReqResource =
   *           RegionInstanceGroupManagerPatchInstanceConfigReq.newBuilder().build();
   *   Operation response =
   *       regionInstanceGroupManagersClient
   *           .patchPerInstanceConfigsAsync(
   *               project,
   *               region,
   *               instanceGroupManager,
   *               regionInstanceGroupManagerPatchInstanceConfigReqResource)
   *           .get();
   * }
   * }</pre>
   *
   * @param project Project ID for this request.
   * @param region Name of the region scoping this request, should conform to RFC1035.
   * @param instanceGroupManager The name of the managed instance group. It should conform to
   *     RFC1035.
   * @param regionInstanceGroupManagerPatchInstanceConfigReqResource The body resource for this
   *     request
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final OperationFuture<Operation, Operation> patchPerInstanceConfigsAsync(
      String project,
      String region,
      String instanceGroupManager,
      RegionInstanceGroupManagerPatchInstanceConfigReq
          regionInstanceGroupManagerPatchInstanceConfigReqResource) {
    PatchPerInstanceConfigsRegionInstanceGroupManagerRequest request =
        PatchPerInstanceConfigsRegionInstanceGroupManagerRequest.newBuilder()
            .setProject(project)
            .setRegion(region)
            .setInstanceGroupManager(instanceGroupManager)
            .setRegionInstanceGroupManagerPatchInstanceConfigReqResource(
                regionInstanceGroupManagerPatchInstanceConfigReqResource)
            .build();
    return patchPerInstanceConfigsAsync(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Inserts or patches per-instance configurations for the managed instance group.
   * perInstanceConfig.name serves as a key used to distinguish whether to perform insert or patch.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   PatchPerInstanceConfigsRegionInstanceGroupManagerRequest request =
   *       PatchPerInstanceConfigsRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagerPatchInstanceConfigReqResource(
   *               RegionInstanceGroupManagerPatchInstanceConfigReq.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   Operation response =
   *       regionInstanceGroupManagersClient.patchPerInstanceConfigsAsync(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
   */
  @BetaApi(
      "The surface for long-running operations is not stable yet and may change in the future.")
  public final OperationFuture<Operation, Operation> patchPerInstanceConfigsAsync(
      PatchPerInstanceConfigsRegionInstanceGroupManagerRequest request) {
    return patchPerInstanceConfigsOperationCallable().futureCall(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Inserts or patches per-instance configurations for the managed instance group.
   * perInstanceConfig.name serves as a key used to distinguish whether to perform insert or patch.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   PatchPerInstanceConfigsRegionInstanceGroupManagerRequest request =
   *       PatchPerInstanceConfigsRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagerPatchInstanceConfigReqResource(
   *               RegionInstanceGroupManagerPatchInstanceConfigReq.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   OperationFuture<Operation, Operation> future =
   *       regionInstanceGroupManagersClient
   *           .patchPerInstanceConfigsOperationCallable()
   *           .futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final OperationCallable<
          PatchPerInstanceConfigsRegionInstanceGroupManagerRequest, Operation, Operation>
      patchPerInstanceConfigsOperationCallable() {
    return stub.patchPerInstanceConfigsOperationCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Inserts or patches per-instance configurations for the managed instance group.
   * perInstanceConfig.name serves as a key used to distinguish whether to perform insert or patch.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   PatchPerInstanceConfigsRegionInstanceGroupManagerRequest request =
   *       PatchPerInstanceConfigsRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagerPatchInstanceConfigReqResource(
   *               RegionInstanceGroupManagerPatchInstanceConfigReq.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   ApiFuture<Operation> future =
   *       regionInstanceGroupManagersClient.patchPerInstanceConfigsCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final UnaryCallable<PatchPerInstanceConfigsRegionInstanceGroupManagerRequest, Operation>
      patchPerInstanceConfigsCallable() {
    return stub.patchPerInstanceConfigsCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Flags the specified VM instances in the managed instance group to be immediately recreated.
   * Each instance is recreated using the group's current configuration. This operation is marked as
   * DONE when the flag is set even if the instances have not yet been recreated. You must
   * separately verify the status of each instance by checking its currentAction field; for more
   * information, see Checking the status of managed instances. If the group is part of a backend
   * service that has enabled connection draining, it can take up to 60 seconds after the connection
   * draining duration has elapsed before the VM instance is removed or deleted. You can specify a
   * maximum of 1000 instances with this method per request.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   String project = "project-309310695";
   *   String region = "region-934795532";
   *   String instanceGroupManager = "instanceGroupManager-388242077";
   *   RegionInstanceGroupManagersRecreateRequest
   *       regionInstanceGroupManagersRecreateRequestResource =
   *           RegionInstanceGroupManagersRecreateRequest.newBuilder().build();
   *   Operation response =
   *       regionInstanceGroupManagersClient
   *           .recreateInstancesAsync(
   *               project,
   *               region,
   *               instanceGroupManager,
   *               regionInstanceGroupManagersRecreateRequestResource)
   *           .get();
   * }
   * }</pre>
   *
   * @param project Project ID for this request.
   * @param region Name of the region scoping this request.
   * @param instanceGroupManager Name of the managed instance group.
   * @param regionInstanceGroupManagersRecreateRequestResource The body resource for this request
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final OperationFuture<Operation, Operation> recreateInstancesAsync(
      String project,
      String region,
      String instanceGroupManager,
      RegionInstanceGroupManagersRecreateRequest
          regionInstanceGroupManagersRecreateRequestResource) {
    RecreateInstancesRegionInstanceGroupManagerRequest request =
        RecreateInstancesRegionInstanceGroupManagerRequest.newBuilder()
            .setProject(project)
            .setRegion(region)
            .setInstanceGroupManager(instanceGroupManager)
            .setRegionInstanceGroupManagersRecreateRequestResource(
                regionInstanceGroupManagersRecreateRequestResource)
            .build();
    return recreateInstancesAsync(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Flags the specified VM instances in the managed instance group to be immediately recreated.
   * Each instance is recreated using the group's current configuration. This operation is marked as
   * DONE when the flag is set even if the instances have not yet been recreated. You must
   * separately verify the status of each instance by checking its currentAction field; for more
   * information, see Checking the status of managed instances. If the group is part of a backend
   * service that has enabled connection draining, it can take up to 60 seconds after the connection
   * draining duration has elapsed before the VM instance is removed or deleted. You can specify a
   * maximum of 1000 instances with this method per request.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   RecreateInstancesRegionInstanceGroupManagerRequest request =
   *       RecreateInstancesRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersRecreateRequestResource(
   *               RegionInstanceGroupManagersRecreateRequest.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   Operation response = regionInstanceGroupManagersClient.recreateInstancesAsync(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
   */
  @BetaApi(
      "The surface for long-running operations is not stable yet and may change in the future.")
  public final OperationFuture<Operation, Operation> recreateInstancesAsync(
      RecreateInstancesRegionInstanceGroupManagerRequest request) {
    return recreateInstancesOperationCallable().futureCall(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Flags the specified VM instances in the managed instance group to be immediately recreated.
   * Each instance is recreated using the group's current configuration. This operation is marked as
   * DONE when the flag is set even if the instances have not yet been recreated. You must
   * separately verify the status of each instance by checking its currentAction field; for more
   * information, see Checking the status of managed instances. If the group is part of a backend
   * service that has enabled connection draining, it can take up to 60 seconds after the connection
   * draining duration has elapsed before the VM instance is removed or deleted. You can specify a
   * maximum of 1000 instances with this method per request.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   RecreateInstancesRegionInstanceGroupManagerRequest request =
   *       RecreateInstancesRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersRecreateRequestResource(
   *               RegionInstanceGroupManagersRecreateRequest.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   OperationFuture<Operation, Operation> future =
   *       regionInstanceGroupManagersClient
   *           .recreateInstancesOperationCallable()
   *           .futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final OperationCallable<
          RecreateInstancesRegionInstanceGroupManagerRequest, Operation, Operation>
      recreateInstancesOperationCallable() {
    return stub.recreateInstancesOperationCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Flags the specified VM instances in the managed instance group to be immediately recreated.
   * Each instance is recreated using the group's current configuration. This operation is marked as
   * DONE when the flag is set even if the instances have not yet been recreated. You must
   * separately verify the status of each instance by checking its currentAction field; for more
   * information, see Checking the status of managed instances. If the group is part of a backend
   * service that has enabled connection draining, it can take up to 60 seconds after the connection
   * draining duration has elapsed before the VM instance is removed or deleted. You can specify a
   * maximum of 1000 instances with this method per request.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   RecreateInstancesRegionInstanceGroupManagerRequest request =
   *       RecreateInstancesRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersRecreateRequestResource(
   *               RegionInstanceGroupManagersRecreateRequest.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   ApiFuture<Operation> future =
   *       regionInstanceGroupManagersClient.recreateInstancesCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final UnaryCallable<RecreateInstancesRegionInstanceGroupManagerRequest, Operation>
      recreateInstancesCallable() {
    return stub.recreateInstancesCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Changes the intended size of the managed instance group. If you increase the size, the group
   * creates new instances using the current instance template. If you decrease the size, the group
   * deletes one or more instances. The resize operation is marked DONE if the resize request is
   * successful. The underlying actions take additional time. You must separately verify the status
   * of the creating or deleting actions with the listmanagedinstances method. If the group is part
   * of a backend service that has enabled connection draining, it can take up to 60 seconds after
   * the connection draining duration has elapsed before the VM instance is removed or deleted.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   String project = "project-309310695";
   *   String region = "region-934795532";
   *   String instanceGroupManager = "instanceGroupManager-388242077";
   *   int size = 3530753;
   *   Operation response =
   *       regionInstanceGroupManagersClient
   *           .resizeAsync(project, region, instanceGroupManager, size)
   *           .get();
   * }
   * }</pre>
   *
   * @param project Project ID for this request.
   * @param region Name of the region scoping this request.
   * @param instanceGroupManager Name of the managed instance group.
   * @param size Number of instances that should exist in this instance group manager.
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final OperationFuture<Operation, Operation> resizeAsync(
      String project, String region, String instanceGroupManager, int size) {
    ResizeRegionInstanceGroupManagerRequest request =
        ResizeRegionInstanceGroupManagerRequest.newBuilder()
            .setProject(project)
            .setRegion(region)
            .setInstanceGroupManager(instanceGroupManager)
            .setSize(size)
            .build();
    return resizeAsync(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Changes the intended size of the managed instance group. If you increase the size, the group
   * creates new instances using the current instance template. If you decrease the size, the group
   * deletes one or more instances. The resize operation is marked DONE if the resize request is
   * successful. The underlying actions take additional time. You must separately verify the status
   * of the creating or deleting actions with the listmanagedinstances method. If the group is part
   * of a backend service that has enabled connection draining, it can take up to 60 seconds after
   * the connection draining duration has elapsed before the VM instance is removed or deleted.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   ResizeRegionInstanceGroupManagerRequest request =
   *       ResizeRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRequestId("requestId693933066")
   *           .setSize(3530753)
   *           .build();
   *   Operation response = regionInstanceGroupManagersClient.resizeAsync(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
   */
  @BetaApi(
      "The surface for long-running operations is not stable yet and may change in the future.")
  public final OperationFuture<Operation, Operation> resizeAsync(
      ResizeRegionInstanceGroupManagerRequest request) {
    return resizeOperationCallable().futureCall(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Changes the intended size of the managed instance group. If you increase the size, the group
   * creates new instances using the current instance template. If you decrease the size, the group
   * deletes one or more instances. The resize operation is marked DONE if the resize request is
   * successful. The underlying actions take additional time. You must separately verify the status
   * of the creating or deleting actions with the listmanagedinstances method. If the group is part
   * of a backend service that has enabled connection draining, it can take up to 60 seconds after
   * the connection draining duration has elapsed before the VM instance is removed or deleted.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   ResizeRegionInstanceGroupManagerRequest request =
   *       ResizeRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRequestId("requestId693933066")
   *           .setSize(3530753)
   *           .build();
   *   OperationFuture<Operation, Operation> future =
   *       regionInstanceGroupManagersClient.resizeOperationCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final OperationCallable<ResizeRegionInstanceGroupManagerRequest, Operation, Operation>
      resizeOperationCallable() {
    return stub.resizeOperationCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Changes the intended size of the managed instance group. If you increase the size, the group
   * creates new instances using the current instance template. If you decrease the size, the group
   * deletes one or more instances. The resize operation is marked DONE if the resize request is
   * successful. The underlying actions take additional time. You must separately verify the status
   * of the creating or deleting actions with the listmanagedinstances method. If the group is part
   * of a backend service that has enabled connection draining, it can take up to 60 seconds after
   * the connection draining duration has elapsed before the VM instance is removed or deleted.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   ResizeRegionInstanceGroupManagerRequest request =
   *       ResizeRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRequestId("requestId693933066")
   *           .setSize(3530753)
   *           .build();
   *   ApiFuture<Operation> future =
   *       regionInstanceGroupManagersClient.resizeCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final UnaryCallable<ResizeRegionInstanceGroupManagerRequest, Operation> resizeCallable() {
    return stub.resizeCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Sets the instance template to use when creating new instances or recreating instances in this
   * group. Existing instances are not affected.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   String project = "project-309310695";
   *   String region = "region-934795532";
   *   String instanceGroupManager = "instanceGroupManager-388242077";
   *   RegionInstanceGroupManagersSetTemplateRequest
   *       regionInstanceGroupManagersSetTemplateRequestResource =
   *           RegionInstanceGroupManagersSetTemplateRequest.newBuilder().build();
   *   Operation response =
   *       regionInstanceGroupManagersClient
   *           .setInstanceTemplateAsync(
   *               project,
   *               region,
   *               instanceGroupManager,
   *               regionInstanceGroupManagersSetTemplateRequestResource)
   *           .get();
   * }
   * }</pre>
   *
   * @param project Project ID for this request.
   * @param region Name of the region scoping this request.
   * @param instanceGroupManager The name of the managed instance group.
   * @param regionInstanceGroupManagersSetTemplateRequestResource The body resource for this request
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final OperationFuture<Operation, Operation> setInstanceTemplateAsync(
      String project,
      String region,
      String instanceGroupManager,
      RegionInstanceGroupManagersSetTemplateRequest
          regionInstanceGroupManagersSetTemplateRequestResource) {
    SetInstanceTemplateRegionInstanceGroupManagerRequest request =
        SetInstanceTemplateRegionInstanceGroupManagerRequest.newBuilder()
            .setProject(project)
            .setRegion(region)
            .setInstanceGroupManager(instanceGroupManager)
            .setRegionInstanceGroupManagersSetTemplateRequestResource(
                regionInstanceGroupManagersSetTemplateRequestResource)
            .build();
    return setInstanceTemplateAsync(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Sets the instance template to use when creating new instances or recreating instances in this
   * group. Existing instances are not affected.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   SetInstanceTemplateRegionInstanceGroupManagerRequest request =
   *       SetInstanceTemplateRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersSetTemplateRequestResource(
   *               RegionInstanceGroupManagersSetTemplateRequest.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   Operation response =
   *       regionInstanceGroupManagersClient.setInstanceTemplateAsync(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
   */
  @BetaApi(
      "The surface for long-running operations is not stable yet and may change in the future.")
  public final OperationFuture<Operation, Operation> setInstanceTemplateAsync(
      SetInstanceTemplateRegionInstanceGroupManagerRequest request) {
    return setInstanceTemplateOperationCallable().futureCall(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Sets the instance template to use when creating new instances or recreating instances in this
   * group. Existing instances are not affected.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   SetInstanceTemplateRegionInstanceGroupManagerRequest request =
   *       SetInstanceTemplateRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersSetTemplateRequestResource(
   *               RegionInstanceGroupManagersSetTemplateRequest.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   OperationFuture<Operation, Operation> future =
   *       regionInstanceGroupManagersClient
   *           .setInstanceTemplateOperationCallable()
   *           .futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final OperationCallable<
          SetInstanceTemplateRegionInstanceGroupManagerRequest, Operation, Operation>
      setInstanceTemplateOperationCallable() {
    return stub.setInstanceTemplateOperationCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Sets the instance template to use when creating new instances or recreating instances in this
   * group. Existing instances are not affected.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   SetInstanceTemplateRegionInstanceGroupManagerRequest request =
   *       SetInstanceTemplateRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersSetTemplateRequestResource(
   *               RegionInstanceGroupManagersSetTemplateRequest.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   ApiFuture<Operation> future =
   *       regionInstanceGroupManagersClient.setInstanceTemplateCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final UnaryCallable<SetInstanceTemplateRegionInstanceGroupManagerRequest, Operation>
      setInstanceTemplateCallable() {
    return stub.setInstanceTemplateCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Modifies the target pools to which all new instances in this group are assigned. Existing
   * instances in the group are not affected.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   String project = "project-309310695";
   *   String region = "region-934795532";
   *   String instanceGroupManager = "instanceGroupManager-388242077";
   *   RegionInstanceGroupManagersSetTargetPoolsRequest
   *       regionInstanceGroupManagersSetTargetPoolsRequestResource =
   *           RegionInstanceGroupManagersSetTargetPoolsRequest.newBuilder().build();
   *   Operation response =
   *       regionInstanceGroupManagersClient
   *           .setTargetPoolsAsync(
   *               project,
   *               region,
   *               instanceGroupManager,
   *               regionInstanceGroupManagersSetTargetPoolsRequestResource)
   *           .get();
   * }
   * }</pre>
   *
   * @param project Project ID for this request.
   * @param region Name of the region scoping this request.
   * @param instanceGroupManager Name of the managed instance group.
   * @param regionInstanceGroupManagersSetTargetPoolsRequestResource The body resource for this
   *     request
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final OperationFuture<Operation, Operation> setTargetPoolsAsync(
      String project,
      String region,
      String instanceGroupManager,
      RegionInstanceGroupManagersSetTargetPoolsRequest
          regionInstanceGroupManagersSetTargetPoolsRequestResource) {
    SetTargetPoolsRegionInstanceGroupManagerRequest request =
        SetTargetPoolsRegionInstanceGroupManagerRequest.newBuilder()
            .setProject(project)
            .setRegion(region)
            .setInstanceGroupManager(instanceGroupManager)
            .setRegionInstanceGroupManagersSetTargetPoolsRequestResource(
                regionInstanceGroupManagersSetTargetPoolsRequestResource)
            .build();
    return setTargetPoolsAsync(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Modifies the target pools to which all new instances in this group are assigned. Existing
   * instances in the group are not affected.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   SetTargetPoolsRegionInstanceGroupManagerRequest request =
   *       SetTargetPoolsRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersSetTargetPoolsRequestResource(
   *               RegionInstanceGroupManagersSetTargetPoolsRequest.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   Operation response = regionInstanceGroupManagersClient.setTargetPoolsAsync(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
   */
  @BetaApi(
      "The surface for long-running operations is not stable yet and may change in the future.")
  public final OperationFuture<Operation, Operation> setTargetPoolsAsync(
      SetTargetPoolsRegionInstanceGroupManagerRequest request) {
    return setTargetPoolsOperationCallable().futureCall(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Modifies the target pools to which all new instances in this group are assigned. Existing
   * instances in the group are not affected.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   SetTargetPoolsRegionInstanceGroupManagerRequest request =
   *       SetTargetPoolsRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersSetTargetPoolsRequestResource(
   *               RegionInstanceGroupManagersSetTargetPoolsRequest.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   OperationFuture<Operation, Operation> future =
   *       regionInstanceGroupManagersClient.setTargetPoolsOperationCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final OperationCallable<
          SetTargetPoolsRegionInstanceGroupManagerRequest, Operation, Operation>
      setTargetPoolsOperationCallable() {
    return stub.setTargetPoolsOperationCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Modifies the target pools to which all new instances in this group are assigned. Existing
   * instances in the group are not affected.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   SetTargetPoolsRegionInstanceGroupManagerRequest request =
   *       SetTargetPoolsRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagersSetTargetPoolsRequestResource(
   *               RegionInstanceGroupManagersSetTargetPoolsRequest.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   ApiFuture<Operation> future =
   *       regionInstanceGroupManagersClient.setTargetPoolsCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final UnaryCallable<SetTargetPoolsRegionInstanceGroupManagerRequest, Operation>
      setTargetPoolsCallable() {
    return stub.setTargetPoolsCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Inserts or updates per-instance configurations for the managed instance group.
   * perInstanceConfig.name serves as a key used to distinguish whether to perform insert or patch.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   String project = "project-309310695";
   *   String region = "region-934795532";
   *   String instanceGroupManager = "instanceGroupManager-388242077";
   *   RegionInstanceGroupManagerUpdateInstanceConfigReq
   *       regionInstanceGroupManagerUpdateInstanceConfigReqResource =
   *           RegionInstanceGroupManagerUpdateInstanceConfigReq.newBuilder().build();
   *   Operation response =
   *       regionInstanceGroupManagersClient
   *           .updatePerInstanceConfigsAsync(
   *               project,
   *               region,
   *               instanceGroupManager,
   *               regionInstanceGroupManagerUpdateInstanceConfigReqResource)
   *           .get();
   * }
   * }</pre>
   *
   * @param project Project ID for this request.
   * @param region Name of the region scoping this request, should conform to RFC1035.
   * @param instanceGroupManager The name of the managed instance group. It should conform to
   *     RFC1035.
   * @param regionInstanceGroupManagerUpdateInstanceConfigReqResource The body resource for this
   *     request
   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
   */
  public final OperationFuture<Operation, Operation> updatePerInstanceConfigsAsync(
      String project,
      String region,
      String instanceGroupManager,
      RegionInstanceGroupManagerUpdateInstanceConfigReq
          regionInstanceGroupManagerUpdateInstanceConfigReqResource) {
    UpdatePerInstanceConfigsRegionInstanceGroupManagerRequest request =
        UpdatePerInstanceConfigsRegionInstanceGroupManagerRequest.newBuilder()
            .setProject(project)
            .setRegion(region)
            .setInstanceGroupManager(instanceGroupManager)
            .setRegionInstanceGroupManagerUpdateInstanceConfigReqResource(
                regionInstanceGroupManagerUpdateInstanceConfigReqResource)
            .build();
    return updatePerInstanceConfigsAsync(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Inserts or updates per-instance configurations for the managed instance group.
   * perInstanceConfig.name serves as a key used to distinguish whether to perform insert or patch.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   UpdatePerInstanceConfigsRegionInstanceGroupManagerRequest request =
   *       UpdatePerInstanceConfigsRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagerUpdateInstanceConfigReqResource(
   *               RegionInstanceGroupManagerUpdateInstanceConfigReq.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   Operation response =
   *       regionInstanceGroupManagersClient.updatePerInstanceConfigsAsync(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
   */
  @BetaApi(
      "The surface for long-running operations is not stable yet and may change in the future.")
  public final OperationFuture<Operation, Operation> updatePerInstanceConfigsAsync(
      UpdatePerInstanceConfigsRegionInstanceGroupManagerRequest request) {
    return updatePerInstanceConfigsOperationCallable().futureCall(request);
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Inserts or updates per-instance configurations for the managed instance group.
   * perInstanceConfig.name serves as a key used to distinguish whether to perform insert or patch.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   UpdatePerInstanceConfigsRegionInstanceGroupManagerRequest request =
   *       UpdatePerInstanceConfigsRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagerUpdateInstanceConfigReqResource(
   *               RegionInstanceGroupManagerUpdateInstanceConfigReq.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   OperationFuture<Operation, Operation> future =
   *       regionInstanceGroupManagersClient
   *           .updatePerInstanceConfigsOperationCallable()
   *           .futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final OperationCallable<
          UpdatePerInstanceConfigsRegionInstanceGroupManagerRequest, Operation, Operation>
      updatePerInstanceConfigsOperationCallable() {
    return stub.updatePerInstanceConfigsOperationCallable();
  }

  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
   * Inserts or updates per-instance configurations for the managed instance group.
   * perInstanceConfig.name serves as a key used to distinguish whether to perform insert or patch.
   *
   * <p>Sample code:
   *
   * <pre>{@code
   * // This snippet has been automatically generated and should be regarded as a code template only.
   * // It will require modifications to work:
   * // - It may require correct/in-range values for request initialization.
   * // - It may require specifying regional endpoints when creating the service client as shown in
   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
   * try (RegionInstanceGroupManagersClient regionInstanceGroupManagersClient =
   *     RegionInstanceGroupManagersClient.create()) {
   *   UpdatePerInstanceConfigsRegionInstanceGroupManagerRequest request =
   *       UpdatePerInstanceConfigsRegionInstanceGroupManagerRequest.newBuilder()
   *           .setInstanceGroupManager("instanceGroupManager-388242077")
   *           .setProject("project-309310695")
   *           .setRegion("region-934795532")
   *           .setRegionInstanceGroupManagerUpdateInstanceConfigReqResource(
   *               RegionInstanceGroupManagerUpdateInstanceConfigReq.newBuilder().build())
   *           .setRequestId("requestId693933066")
   *           .build();
   *   ApiFuture<Operation> future =
   *       regionInstanceGroupManagersClient.updatePerInstanceConfigsCallable().futureCall(request);
   *   // Do something.
   *   Operation response = future.get();
   * }
   * }</pre>
   */
  public final UnaryCallable<UpdatePerInstanceConfigsRegionInstanceGroupManagerRequest, Operation>
      updatePerInstanceConfigsCallable() {
    return stub.updatePerInstanceConfigsCallable();
  }

  @Override
  public final void close() {
    stub.close();
  }

  @Override
  public void shutdown() {
    stub.shutdown();
  }

  @Override
  public boolean isShutdown() {
    return stub.isShutdown();
  }

  @Override
  public boolean isTerminated() {
    return stub.isTerminated();
  }

  @Override
  public void shutdownNow() {
    stub.shutdownNow();
  }

  @Override
  public boolean awaitTermination(long duration, TimeUnit unit) throws InterruptedException {
    return stub.awaitTermination(duration, unit);
  }

  public static class ListPagedResponse
      extends AbstractPagedListResponse<
          ListRegionInstanceGroupManagersRequest,
          RegionInstanceGroupManagerList,
          InstanceGroupManager,
          ListPage,
          ListFixedSizeCollection> {

    public static ApiFuture<ListPagedResponse> createAsync(
        PageContext<
                ListRegionInstanceGroupManagersRequest,
                RegionInstanceGroupManagerList,
                InstanceGroupManager>
            context,
        ApiFuture<RegionInstanceGroupManagerList> futureResponse) {
      ApiFuture<ListPage> futurePage =
          ListPage.createEmptyPage().createPageAsync(context, futureResponse);
      return ApiFutures.transform(
          futurePage, input -> new ListPagedResponse(input), MoreExecutors.directExecutor());
    }

    private ListPagedResponse(ListPage page) {
      super(page, ListFixedSizeCollection.createEmptyCollection());
    }
  }

  public static class ListPage
      extends AbstractPage<
          ListRegionInstanceGroupManagersRequest,
          RegionInstanceGroupManagerList,
          InstanceGroupManager,
          ListPage> {

    private ListPage(
        PageContext<
                ListRegionInstanceGroupManagersRequest,
                RegionInstanceGroupManagerList,
                InstanceGroupManager>
            context,
        RegionInstanceGroupManagerList response) {
      super(context, response);
    }

    private static ListPage createEmptyPage() {
      return new ListPage(null, null);
    }

    @Override
    protected ListPage createPage(
        PageContext<
                ListRegionInstanceGroupManagersRequest,
                RegionInstanceGroupManagerList,
                InstanceGroupManager>
            context,
        RegionInstanceGroupManagerList response) {
      return new ListPage(context, response);
    }

    @Override
    public ApiFuture<ListPage> createPageAsync(
        PageContext<
                ListRegionInstanceGroupManagersRequest,
                RegionInstanceGroupManagerList,
                InstanceGroupManager>
            context,
        ApiFuture<RegionInstanceGroupManagerList> futureResponse) {
      return super.createPageAsync(context, futureResponse);
    }
  }

  public static class ListFixedSizeCollection
      extends AbstractFixedSizeCollection<
          ListRegionInstanceGroupManagersRequest,
          RegionInstanceGroupManagerList,
          InstanceGroupManager,
          ListPage,
          ListFixedSizeCollection> {

    private ListFixedSizeCollection(List<ListPage> pages, int collectionSize) {
      super(pages, collectionSize);
    }

    private static ListFixedSizeCollection createEmptyCollection() {
      return new ListFixedSizeCollection(null, 0);
    }

    @Override
    protected ListFixedSizeCollection createCollection(List<ListPage> pages, int collectionSize) {
      return new ListFixedSizeCollection(pages, collectionSize);
    }
  }

  public static class ListErrorsPagedResponse
      extends AbstractPagedListResponse<
          ListErrorsRegionInstanceGroupManagersRequest,
          RegionInstanceGroupManagersListErrorsResponse,
          InstanceManagedByIgmError,
          ListErrorsPage,
          ListErrorsFixedSizeCollection> {

    public static ApiFuture<ListErrorsPagedResponse> createAsync(
        PageContext<
                ListErrorsRegionInstanceGroupManagersRequest,
                RegionInstanceGroupManagersListErrorsResponse,
                InstanceManagedByIgmError>
            context,
        ApiFuture<RegionInstanceGroupManagersListErrorsResponse> futureResponse) {
      ApiFuture<ListErrorsPage> futurePage =
          ListErrorsPage.createEmptyPage().createPageAsync(context, futureResponse);
      return ApiFutures.transform(
          futurePage, input -> new ListErrorsPagedResponse(input), MoreExecutors.directExecutor());
    }

    private ListErrorsPagedResponse(ListErrorsPage page) {
      super(page, ListErrorsFixedSizeCollection.createEmptyCollection());
    }
  }

  public static class ListErrorsPage
      extends AbstractPage<
          ListErrorsRegionInstanceGroupManagersRequest,
          RegionInstanceGroupManagersListErrorsResponse,
          InstanceManagedByIgmError,
          ListErrorsPage> {

    private ListErrorsPage(
        PageContext<
                ListErrorsRegionInstanceGroupManagersRequest,
                RegionInstanceGroupManagersListErrorsResponse,
                InstanceManagedByIgmError>
            context,
        RegionInstanceGroupManagersListErrorsResponse response) {
      super(context, response);
    }

    private static ListErrorsPage createEmptyPage() {
      return new ListErrorsPage(null, null);
    }

    @Override
    protected ListErrorsPage createPage(
        PageContext<
                ListErrorsRegionInstanceGroupManagersRequest,
                RegionInstanceGroupManagersListErrorsResponse,
                InstanceManagedByIgmError>
            context,
        RegionInstanceGroupManagersListErrorsResponse response) {
      return new ListErrorsPage(context, response);
    }

    @Override
    public ApiFuture<ListErrorsPage> createPageAsync(
        PageContext<
                ListErrorsRegionInstanceGroupManagersRequest,
                RegionInstanceGroupManagersListErrorsResponse,
                InstanceManagedByIgmError>
            context,
        ApiFuture<RegionInstanceGroupManagersListErrorsResponse> futureResponse) {
      return super.createPageAsync(context, futureResponse);
    }
  }

  public static class ListErrorsFixedSizeCollection
      extends AbstractFixedSizeCollection<
          ListErrorsRegionInstanceGroupManagersRequest,
          RegionInstanceGroupManagersListErrorsResponse,
          InstanceManagedByIgmError,
          ListErrorsPage,
          ListErrorsFixedSizeCollection> {

    private ListErrorsFixedSizeCollection(List<ListErrorsPage> pages, int collectionSize) {
      super(pages, collectionSize);
    }

    private static ListErrorsFixedSizeCollection createEmptyCollection() {
      return new ListErrorsFixedSizeCollection(null, 0);
    }

    @Override
    protected ListErrorsFixedSizeCollection createCollection(
        List<ListErrorsPage> pages, int collectionSize) {
      return new ListErrorsFixedSizeCollection(pages, collectionSize);
    }
  }

  public static class ListManagedInstancesPagedResponse
      extends AbstractPagedListResponse<
          ListManagedInstancesRegionInstanceGroupManagersRequest,
          RegionInstanceGroupManagersListInstancesResponse,
          ManagedInstance,
          ListManagedInstancesPage,
          ListManagedInstancesFixedSizeCollection> {

    public static ApiFuture<ListManagedInstancesPagedResponse> createAsync(
        PageContext<
                ListManagedInstancesRegionInstanceGroupManagersRequest,
                RegionInstanceGroupManagersListInstancesResponse,
                ManagedInstance>
            context,
        ApiFuture<RegionInstanceGroupManagersListInstancesResponse> futureResponse) {
      ApiFuture<ListManagedInstancesPage> futurePage =
          ListManagedInstancesPage.createEmptyPage().createPageAsync(context, futureResponse);
      return ApiFutures.transform(
          futurePage,
          input -> new ListManagedInstancesPagedResponse(input),
          MoreExecutors.directExecutor());
    }

    private ListManagedInstancesPagedResponse(ListManagedInstancesPage page) {
      super(page, ListManagedInstancesFixedSizeCollection.createEmptyCollection());
    }
  }

  public static class ListManagedInstancesPage
      extends AbstractPage<
          ListManagedInstancesRegionInstanceGroupManagersRequest,
          RegionInstanceGroupManagersListInstancesResponse,
          ManagedInstance,
          ListManagedInstancesPage> {

    private ListManagedInstancesPage(
        PageContext<
                ListManagedInstancesRegionInstanceGroupManagersRequest,
                RegionInstanceGroupManagersListInstancesResponse,
                ManagedInstance>
            context,
        RegionInstanceGroupManagersListInstancesResponse response) {
      super(context, response);
    }

    private static ListManagedInstancesPage createEmptyPage() {
      return new ListManagedInstancesPage(null, null);
    }

    @Override
    protected ListManagedInstancesPage createPage(
        PageContext<
                ListManagedInstancesRegionInstanceGroupManagersRequest,
                RegionInstanceGroupManagersListInstancesResponse,
                ManagedInstance>
            context,
        RegionInstanceGroupManagersListInstancesResponse response) {
      return new ListManagedInstancesPage(context, response);
    }

    @Override
    public ApiFuture<ListManagedInstancesPage> createPageAsync(
        PageContext<
                ListManagedInstancesRegionInstanceGroupManagersRequest,
                RegionInstanceGroupManagersListInstancesResponse,
                ManagedInstance>
            context,
        ApiFuture<RegionInstanceGroupManagersListInstancesResponse> futureResponse) {
      return super.createPageAsync(context, futureResponse);
    }
  }

  public static class ListManagedInstancesFixedSizeCollection
      extends AbstractFixedSizeCollection<
          ListManagedInstancesRegionInstanceGroupManagersRequest,
          RegionInstanceGroupManagersListInstancesResponse,
          ManagedInstance,
          ListManagedInstancesPage,
          ListManagedInstancesFixedSizeCollection> {

    private ListManagedInstancesFixedSizeCollection(
        List<ListManagedInstancesPage> pages, int collectionSize) {
      super(pages, collectionSize);
    }

    private static ListManagedInstancesFixedSizeCollection createEmptyCollection() {
      return new ListManagedInstancesFixedSizeCollection(null, 0);
    }

    @Override
    protected ListManagedInstancesFixedSizeCollection createCollection(
        List<ListManagedInstancesPage> pages, int collectionSize) {
      return new ListManagedInstancesFixedSizeCollection(pages, collectionSize);
    }
  }

  public static class ListPerInstanceConfigsPagedResponse
      extends AbstractPagedListResponse<
          ListPerInstanceConfigsRegionInstanceGroupManagersRequest,
          RegionInstanceGroupManagersListInstanceConfigsResp,
          PerInstanceConfig,
          ListPerInstanceConfigsPage,
          ListPerInstanceConfigsFixedSizeCollection> {

    public static ApiFuture<ListPerInstanceConfigsPagedResponse> createAsync(
        PageContext<
                ListPerInstanceConfigsRegionInstanceGroupManagersRequest,
                RegionInstanceGroupManagersListInstanceConfigsResp,
                PerInstanceConfig>
            context,
        ApiFuture<RegionInstanceGroupManagersListInstanceConfigsResp> futureResponse) {
      ApiFuture<ListPerInstanceConfigsPage> futurePage =
          ListPerInstanceConfigsPage.createEmptyPage().createPageAsync(context, futureResponse);
      return ApiFutures.transform(
          futurePage,
          input -> new ListPerInstanceConfigsPagedResponse(input),
          MoreExecutors.directExecutor());
    }

    private ListPerInstanceConfigsPagedResponse(ListPerInstanceConfigsPage page) {
      super(page, ListPerInstanceConfigsFixedSizeCollection.createEmptyCollection());
    }
  }

  public static class ListPerInstanceConfigsPage
      extends AbstractPage<
          ListPerInstanceConfigsRegionInstanceGroupManagersRequest,
          RegionInstanceGroupManagersListInstanceConfigsResp,
          PerInstanceConfig,
          ListPerInstanceConfigsPage> {

    private ListPerInstanceConfigsPage(
        PageContext<
                ListPerInstanceConfigsRegionInstanceGroupManagersRequest,
                RegionInstanceGroupManagersListInstanceConfigsResp,
                PerInstanceConfig>
            context,
        RegionInstanceGroupManagersListInstanceConfigsResp response) {
      super(context, response);
    }

    private static ListPerInstanceConfigsPage createEmptyPage() {
      return new ListPerInstanceConfigsPage(null, null);
    }

    @Override
    protected ListPerInstanceConfigsPage createPage(
        PageContext<
                ListPerInstanceConfigsRegionInstanceGroupManagersRequest,
                RegionInstanceGroupManagersListInstanceConfigsResp,
                PerInstanceConfig>
            context,
        RegionInstanceGroupManagersListInstanceConfigsResp response) {
      return new ListPerInstanceConfigsPage(context, response);
    }

    @Override
    public ApiFuture<ListPerInstanceConfigsPage> createPageAsync(
        PageContext<
                ListPerInstanceConfigsRegionInstanceGroupManagersRequest,
                RegionInstanceGroupManagersListInstanceConfigsResp,
                PerInstanceConfig>
            context,
        ApiFuture<RegionInstanceGroupManagersListInstanceConfigsResp> futureResponse) {
      return super.createPageAsync(context, futureResponse);
    }
  }

  public static class ListPerInstanceConfigsFixedSizeCollection
      extends AbstractFixedSizeCollection<
          ListPerInstanceConfigsRegionInstanceGroupManagersRequest,
          RegionInstanceGroupManagersListInstanceConfigsResp,
          PerInstanceConfig,
          ListPerInstanceConfigsPage,
          ListPerInstanceConfigsFixedSizeCollection> {

    private ListPerInstanceConfigsFixedSizeCollection(
        List<ListPerInstanceConfigsPage> pages, int collectionSize) {
      super(pages, collectionSize);
    }

    private static ListPerInstanceConfigsFixedSizeCollection createEmptyCollection() {
      return new ListPerInstanceConfigsFixedSizeCollection(null, 0);
    }

    @Override
    protected ListPerInstanceConfigsFixedSizeCollection createCollection(
        List<ListPerInstanceConfigsPage> pages, int collectionSize) {
      return new ListPerInstanceConfigsFixedSizeCollection(pages, collectionSize);
    }
  }
}