// Generated by the protocol buffer compiler.  DO NOT EDIT!
// source: google/cloud/tasks/v2beta2/queue.proto

package com.google.cloud.tasks.v2beta2;

/**
 *
 *
 * <pre>
 * A queue is a container of related tasks. Queues are configured to manage
 * how those tasks are dispatched. Configurable properties include rate limits,
 * retry options, target types, and others.
 * </pre>
 *
 * Protobuf type {@code google.cloud.tasks.v2beta2.Queue}
 */
public final class Queue extends com.google.protobuf.GeneratedMessageV3
    implements
    // @@protoc_insertion_point(message_implements:google.cloud.tasks.v2beta2.Queue)
    QueueOrBuilder {
  private static final long serialVersionUID = 0L;
  // Use Queue.newBuilder() to construct.
  private Queue(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
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  }

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  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    return com.google.cloud.tasks.v2beta2.QueueProto
        .internal_static_google_cloud_tasks_v2beta2_Queue_descriptor;
  }

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            com.google.cloud.tasks.v2beta2.Queue.Builder.class);
  }

  /**
   *
   *
   * <pre>
   * State of the queue.
   * </pre>
   *
   * Protobuf enum {@code google.cloud.tasks.v2beta2.Queue.State}
   */
  public enum State implements com.google.protobuf.ProtocolMessageEnum {
    /**
     *
     *
     * <pre>
     * Unspecified state.
     * </pre>
     *
     * <code>STATE_UNSPECIFIED = 0;</code>
     */
    STATE_UNSPECIFIED(0),
    /**
     *
     *
     * <pre>
     * The queue is running. Tasks can be dispatched.
     * If the queue was created using Cloud Tasks and the queue has
     * had no activity (method calls or task dispatches) for 30 days,
     * the queue may take a few minutes to re-activate. Some method
     * calls may return [NOT_FOUND][google.rpc.Code.NOT_FOUND] and
     * tasks may not be dispatched for a few minutes until the queue
     * has been re-activated.
     * </pre>
     *
     * <code>RUNNING = 1;</code>
     */
    RUNNING(1),
    /**
     *
     *
     * <pre>
     * Tasks are paused by the user. If the queue is paused then Cloud
     * Tasks will stop delivering tasks from it, but more tasks can
     * still be added to it by the user. When a pull queue is paused,
     * all [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] calls
     * will return a [FAILED_PRECONDITION][google.rpc.Code.FAILED_PRECONDITION].
     * </pre>
     *
     * <code>PAUSED = 2;</code>
     */
    PAUSED(2),
    /**
     *
     *
     * <pre>
     * The queue is disabled.
     * A queue becomes `DISABLED` when
     * [queue.yaml](https://cloud.google.com/appengine/docs/python/config/queueref)
     * or
     * [queue.xml](https://cloud.google.com/appengine/docs/standard/java/config/queueref)
     * is uploaded which does not contain the queue. You cannot directly disable
     * a queue.
     * When a queue is disabled, tasks can still be added to a queue
     * but the tasks are not dispatched and
     * [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] calls
     * return a `FAILED_PRECONDITION` error.
     * To permanently delete this queue and all of its tasks, call
     * [DeleteQueue][google.cloud.tasks.v2beta2.CloudTasks.DeleteQueue].
     * </pre>
     *
     * <code>DISABLED = 3;</code>
     */
    DISABLED(3),
    UNRECOGNIZED(-1),
    ;

    /**
     *
     *
     * <pre>
     * Unspecified state.
     * </pre>
     *
     * <code>STATE_UNSPECIFIED = 0;</code>
     */
    public static final int STATE_UNSPECIFIED_VALUE = 0;
    /**
     *
     *
     * <pre>
     * The queue is running. Tasks can be dispatched.
     * If the queue was created using Cloud Tasks and the queue has
     * had no activity (method calls or task dispatches) for 30 days,
     * the queue may take a few minutes to re-activate. Some method
     * calls may return [NOT_FOUND][google.rpc.Code.NOT_FOUND] and
     * tasks may not be dispatched for a few minutes until the queue
     * has been re-activated.
     * </pre>
     *
     * <code>RUNNING = 1;</code>
     */
    public static final int RUNNING_VALUE = 1;
    /**
     *
     *
     * <pre>
     * Tasks are paused by the user. If the queue is paused then Cloud
     * Tasks will stop delivering tasks from it, but more tasks can
     * still be added to it by the user. When a pull queue is paused,
     * all [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] calls
     * will return a [FAILED_PRECONDITION][google.rpc.Code.FAILED_PRECONDITION].
     * </pre>
     *
     * <code>PAUSED = 2;</code>
     */
    public static final int PAUSED_VALUE = 2;
    /**
     *
     *
     * <pre>
     * The queue is disabled.
     * A queue becomes `DISABLED` when
     * [queue.yaml](https://cloud.google.com/appengine/docs/python/config/queueref)
     * or
     * [queue.xml](https://cloud.google.com/appengine/docs/standard/java/config/queueref)
     * is uploaded which does not contain the queue. You cannot directly disable
     * a queue.
     * When a queue is disabled, tasks can still be added to a queue
     * but the tasks are not dispatched and
     * [LeaseTasks][google.cloud.tasks.v2beta2.CloudTasks.LeaseTasks] calls
     * return a `FAILED_PRECONDITION` error.
     * To permanently delete this queue and all of its tasks, call
     * [DeleteQueue][google.cloud.tasks.v2beta2.CloudTasks.DeleteQueue].
     * </pre>
     *
     * <code>DISABLED = 3;</code>
     */
    public static final int DISABLED_VALUE = 3;

    public final int getNumber() {
      if (this == UNRECOGNIZED) {
        throw new java.lang.IllegalArgumentException(
            "Can't get the number of an unknown enum value.");
      }
      return value;
    }

    /** @deprecated Use {@link #forNumber(int)} instead. */
    @java.lang.Deprecated
    public static State valueOf(int value) {
      return forNumber(value);
    }

    public static State forNumber(int value) {
      switch (value) {
        case 0:
          return STATE_UNSPECIFIED;
        case 1:
          return RUNNING;
        case 2:
          return PAUSED;
        case 3:
          return DISABLED;
        default:
          return null;
      }
    }

    public static com.google.protobuf.Internal.EnumLiteMap<State> internalGetValueMap() {
      return internalValueMap;
    }

    private static final com.google.protobuf.Internal.EnumLiteMap<State> internalValueMap =
        new com.google.protobuf.Internal.EnumLiteMap<State>() {
          public State findValueByNumber(int number) {
            return State.forNumber(number);
          }
        };

    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
      return getDescriptor().getValues().get(ordinal());
    }

    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
      return getDescriptor();
    }

    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
      return com.google.cloud.tasks.v2beta2.Queue.getDescriptor().getEnumTypes().get(0);
    }

    private static final State[] VALUES = values();

    public static State valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
      if (desc.getType() != getDescriptor()) {
        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
      }
      if (desc.getIndex() == -1) {
        return UNRECOGNIZED;
      }
      return VALUES[desc.getIndex()];
    }

    private final int value;

    private State(int value) {
      this.value = value;
    }

    // @@protoc_insertion_point(enum_scope:google.cloud.tasks.v2beta2.Queue.State)
  }

  private int targetTypeCase_ = 0;
  private java.lang.Object targetType_;

  public enum TargetTypeCase implements com.google.protobuf.Internal.EnumLite {
    APP_ENGINE_HTTP_TARGET(3),
    PULL_TARGET(4),
    TARGETTYPE_NOT_SET(0);
    private final int value;

    private TargetTypeCase(int value) {
      this.value = value;
    }
    /** @deprecated Use {@link #forNumber(int)} instead. */
    @java.lang.Deprecated
    public static TargetTypeCase valueOf(int value) {
      return forNumber(value);
    }

    public static TargetTypeCase forNumber(int value) {
      switch (value) {
        case 3:
          return APP_ENGINE_HTTP_TARGET;
        case 4:
          return PULL_TARGET;
        case 0:
          return TARGETTYPE_NOT_SET;
        default:
          return null;
      }
    }

    public int getNumber() {
      return this.value;
    }
  };

  public TargetTypeCase getTargetTypeCase() {
    return TargetTypeCase.forNumber(targetTypeCase_);
  }

  public static final int NAME_FIELD_NUMBER = 1;
  private volatile java.lang.Object name_;
  /**
   *
   *
   * <pre>
   * Caller-specified and required in
   * [CreateQueue][google.cloud.tasks.v2beta2.CloudTasks.CreateQueue], after
   * which it becomes output only.
   * The queue name.
   * The queue name must have the following format:
   * `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
   * * `PROJECT_ID` can contain letters ([A-Za-z]), numbers ([0-9]),
   *    hyphens (-), colons (:), or periods (.).
   *    For more information, see
   *    [Identifying
   *    projects](https://cloud.google.com/resource-manager/docs/creating-managing-projects#identifying_projects)
   * * `LOCATION_ID` is the canonical ID for the queue's location.
   *    The list of available locations can be obtained by calling
   *    [ListLocations][google.cloud.location.Locations.ListLocations].
   *    For more information, see https://cloud.google.com/about/locations/.
   * * `QUEUE_ID` can contain letters ([A-Za-z]), numbers ([0-9]), or
   *   hyphens (-). The maximum length is 100 characters.
   * </pre>
   *
   * <code>string name = 1;</code>
   */
  public java.lang.String getName() {
    java.lang.Object ref = name_;
    if (ref instanceof java.lang.String) {
      return (java.lang.String) ref;
    } else {
      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
      java.lang.String s = bs.toStringUtf8();
      name_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * Caller-specified and required in
   * [CreateQueue][google.cloud.tasks.v2beta2.CloudTasks.CreateQueue], after
   * which it becomes output only.
   * The queue name.
   * The queue name must have the following format:
   * `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
   * * `PROJECT_ID` can contain letters ([A-Za-z]), numbers ([0-9]),
   *    hyphens (-), colons (:), or periods (.).
   *    For more information, see
   *    [Identifying
   *    projects](https://cloud.google.com/resource-manager/docs/creating-managing-projects#identifying_projects)
   * * `LOCATION_ID` is the canonical ID for the queue's location.
   *    The list of available locations can be obtained by calling
   *    [ListLocations][google.cloud.location.Locations.ListLocations].
   *    For more information, see https://cloud.google.com/about/locations/.
   * * `QUEUE_ID` can contain letters ([A-Za-z]), numbers ([0-9]), or
   *   hyphens (-). The maximum length is 100 characters.
   * </pre>
   *
   * <code>string name = 1;</code>
   */
  public com.google.protobuf.ByteString getNameBytes() {
    java.lang.Object ref = name_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      name_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }

  public static final int APP_ENGINE_HTTP_TARGET_FIELD_NUMBER = 3;
  /**
   *
   *
   * <pre>
   * App Engine HTTP target.
   * An App Engine queue is a queue that has an
   * [AppEngineHttpTarget][google.cloud.tasks.v2beta2.AppEngineHttpTarget].
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta2.AppEngineHttpTarget app_engine_http_target = 3;</code>
   */
  public boolean hasAppEngineHttpTarget() {
    return targetTypeCase_ == 3;
  }
  /**
   *
   *
   * <pre>
   * App Engine HTTP target.
   * An App Engine queue is a queue that has an
   * [AppEngineHttpTarget][google.cloud.tasks.v2beta2.AppEngineHttpTarget].
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta2.AppEngineHttpTarget app_engine_http_target = 3;</code>
   */
  public com.google.cloud.tasks.v2beta2.AppEngineHttpTarget getAppEngineHttpTarget() {
    if (targetTypeCase_ == 3) {
      return (com.google.cloud.tasks.v2beta2.AppEngineHttpTarget) targetType_;
    }
    return com.google.cloud.tasks.v2beta2.AppEngineHttpTarget.getDefaultInstance();
  }
  /**
   *
   *
   * <pre>
   * App Engine HTTP target.
   * An App Engine queue is a queue that has an
   * [AppEngineHttpTarget][google.cloud.tasks.v2beta2.AppEngineHttpTarget].
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta2.AppEngineHttpTarget app_engine_http_target = 3;</code>
   */
  public com.google.cloud.tasks.v2beta2.AppEngineHttpTargetOrBuilder
      getAppEngineHttpTargetOrBuilder() {
    if (targetTypeCase_ == 3) {
      return (com.google.cloud.tasks.v2beta2.AppEngineHttpTarget) targetType_;
    }
    return com.google.cloud.tasks.v2beta2.AppEngineHttpTarget.getDefaultInstance();
  }

  public static final int PULL_TARGET_FIELD_NUMBER = 4;
  /**
   *
   *
   * <pre>
   * Pull target.
   * A pull queue is a queue that has a
   * [PullTarget][google.cloud.tasks.v2beta2.PullTarget].
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta2.PullTarget pull_target = 4;</code>
   */
  public boolean hasPullTarget() {
    return targetTypeCase_ == 4;
  }
  /**
   *
   *
   * <pre>
   * Pull target.
   * A pull queue is a queue that has a
   * [PullTarget][google.cloud.tasks.v2beta2.PullTarget].
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta2.PullTarget pull_target = 4;</code>
   */
  public com.google.cloud.tasks.v2beta2.PullTarget getPullTarget() {
    if (targetTypeCase_ == 4) {
      return (com.google.cloud.tasks.v2beta2.PullTarget) targetType_;
    }
    return com.google.cloud.tasks.v2beta2.PullTarget.getDefaultInstance();
  }
  /**
   *
   *
   * <pre>
   * Pull target.
   * A pull queue is a queue that has a
   * [PullTarget][google.cloud.tasks.v2beta2.PullTarget].
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta2.PullTarget pull_target = 4;</code>
   */
  public com.google.cloud.tasks.v2beta2.PullTargetOrBuilder getPullTargetOrBuilder() {
    if (targetTypeCase_ == 4) {
      return (com.google.cloud.tasks.v2beta2.PullTarget) targetType_;
    }
    return com.google.cloud.tasks.v2beta2.PullTarget.getDefaultInstance();
  }

  public static final int RATE_LIMITS_FIELD_NUMBER = 5;
  private com.google.cloud.tasks.v2beta2.RateLimits rateLimits_;
  /**
   *
   *
   * <pre>
   * Rate limits for task dispatches.
   * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] and
   * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] are related
   * because they both control task attempts however they control how tasks are
   * attempted in different ways:
   * * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] controls the
   * total rate of
   *   dispatches from a queue (i.e. all traffic dispatched from the
   *   queue, regardless of whether the dispatch is from a first
   *   attempt or a retry).
   * * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
   * what happens to
   *   particular a task after its first attempt fails. That is,
   *   [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
   *   task retries (the second attempt, third attempt, etc).
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta2.RateLimits rate_limits = 5;</code>
   */
  public boolean hasRateLimits() {
    return rateLimits_ != null;
  }
  /**
   *
   *
   * <pre>
   * Rate limits for task dispatches.
   * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] and
   * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] are related
   * because they both control task attempts however they control how tasks are
   * attempted in different ways:
   * * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] controls the
   * total rate of
   *   dispatches from a queue (i.e. all traffic dispatched from the
   *   queue, regardless of whether the dispatch is from a first
   *   attempt or a retry).
   * * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
   * what happens to
   *   particular a task after its first attempt fails. That is,
   *   [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
   *   task retries (the second attempt, third attempt, etc).
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta2.RateLimits rate_limits = 5;</code>
   */
  public com.google.cloud.tasks.v2beta2.RateLimits getRateLimits() {
    return rateLimits_ == null
        ? com.google.cloud.tasks.v2beta2.RateLimits.getDefaultInstance()
        : rateLimits_;
  }
  /**
   *
   *
   * <pre>
   * Rate limits for task dispatches.
   * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] and
   * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] are related
   * because they both control task attempts however they control how tasks are
   * attempted in different ways:
   * * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] controls the
   * total rate of
   *   dispatches from a queue (i.e. all traffic dispatched from the
   *   queue, regardless of whether the dispatch is from a first
   *   attempt or a retry).
   * * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
   * what happens to
   *   particular a task after its first attempt fails. That is,
   *   [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
   *   task retries (the second attempt, third attempt, etc).
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta2.RateLimits rate_limits = 5;</code>
   */
  public com.google.cloud.tasks.v2beta2.RateLimitsOrBuilder getRateLimitsOrBuilder() {
    return getRateLimits();
  }

  public static final int RETRY_CONFIG_FIELD_NUMBER = 6;
  private com.google.cloud.tasks.v2beta2.RetryConfig retryConfig_;
  /**
   *
   *
   * <pre>
   * Settings that determine the retry behavior.
   * * For tasks created using Cloud Tasks: the queue-level retry settings
   *   apply to all tasks in the queue that were created using Cloud Tasks.
   *   Retry settings cannot be set on individual tasks.
   * * For tasks created using the App Engine SDK: the queue-level retry
   *   settings apply to all tasks in the queue which do not have retry settings
   *   explicitly set on the task and were created by the App Engine SDK. See
   *   [App Engine
   *   documentation](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/retrying-tasks).
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta2.RetryConfig retry_config = 6;</code>
   */
  public boolean hasRetryConfig() {
    return retryConfig_ != null;
  }
  /**
   *
   *
   * <pre>
   * Settings that determine the retry behavior.
   * * For tasks created using Cloud Tasks: the queue-level retry settings
   *   apply to all tasks in the queue that were created using Cloud Tasks.
   *   Retry settings cannot be set on individual tasks.
   * * For tasks created using the App Engine SDK: the queue-level retry
   *   settings apply to all tasks in the queue which do not have retry settings
   *   explicitly set on the task and were created by the App Engine SDK. See
   *   [App Engine
   *   documentation](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/retrying-tasks).
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta2.RetryConfig retry_config = 6;</code>
   */
  public com.google.cloud.tasks.v2beta2.RetryConfig getRetryConfig() {
    return retryConfig_ == null
        ? com.google.cloud.tasks.v2beta2.RetryConfig.getDefaultInstance()
        : retryConfig_;
  }
  /**
   *
   *
   * <pre>
   * Settings that determine the retry behavior.
   * * For tasks created using Cloud Tasks: the queue-level retry settings
   *   apply to all tasks in the queue that were created using Cloud Tasks.
   *   Retry settings cannot be set on individual tasks.
   * * For tasks created using the App Engine SDK: the queue-level retry
   *   settings apply to all tasks in the queue which do not have retry settings
   *   explicitly set on the task and were created by the App Engine SDK. See
   *   [App Engine
   *   documentation](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/retrying-tasks).
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta2.RetryConfig retry_config = 6;</code>
   */
  public com.google.cloud.tasks.v2beta2.RetryConfigOrBuilder getRetryConfigOrBuilder() {
    return getRetryConfig();
  }

  public static final int STATE_FIELD_NUMBER = 7;
  private int state_;
  /**
   *
   *
   * <pre>
   * Output only. The state of the queue.
   * `state` can only be changed by called
   * [PauseQueue][google.cloud.tasks.v2beta2.CloudTasks.PauseQueue],
   * [ResumeQueue][google.cloud.tasks.v2beta2.CloudTasks.ResumeQueue], or
   * uploading
   * [queue.yaml/xml](https://cloud.google.com/appengine/docs/python/config/queueref).
   * [UpdateQueue][google.cloud.tasks.v2beta2.CloudTasks.UpdateQueue] cannot be
   * used to change `state`.
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta2.Queue.State state = 7;</code>
   */
  public int getStateValue() {
    return state_;
  }
  /**
   *
   *
   * <pre>
   * Output only. The state of the queue.
   * `state` can only be changed by called
   * [PauseQueue][google.cloud.tasks.v2beta2.CloudTasks.PauseQueue],
   * [ResumeQueue][google.cloud.tasks.v2beta2.CloudTasks.ResumeQueue], or
   * uploading
   * [queue.yaml/xml](https://cloud.google.com/appengine/docs/python/config/queueref).
   * [UpdateQueue][google.cloud.tasks.v2beta2.CloudTasks.UpdateQueue] cannot be
   * used to change `state`.
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta2.Queue.State state = 7;</code>
   */
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  /**
   *
   *
   * <pre>
   * Output only. The last time this queue was purged.
   * All tasks that were [created][google.cloud.tasks.v2beta2.Task.create_time]
   * before this time were purged.
   * A queue can be purged using
   * [PurgeQueue][google.cloud.tasks.v2beta2.CloudTasks.PurgeQueue], the [App
   * Engine Task Queue SDK, or the Cloud
   * Console](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/deleting-tasks-and-queues#purging_all_tasks_from_a_queue).
   * Purge time will be truncated to the nearest microsecond. Purge
   * time will be unset if the queue has never been purged.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp purge_time = 8;</code>
   */
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  }
  /**
   *
   *
   * <pre>
   * Output only. The last time this queue was purged.
   * All tasks that were [created][google.cloud.tasks.v2beta2.Task.create_time]
   * before this time were purged.
   * A queue can be purged using
   * [PurgeQueue][google.cloud.tasks.v2beta2.CloudTasks.PurgeQueue], the [App
   * Engine Task Queue SDK, or the Cloud
   * Console](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/deleting-tasks-and-queues#purging_all_tasks_from_a_queue).
   * Purge time will be truncated to the nearest microsecond. Purge
   * time will be unset if the queue has never been purged.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp purge_time = 8;</code>
   */
  public com.google.protobuf.Timestamp getPurgeTime() {
    return purgeTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : purgeTime_;
  }
  /**
   *
   *
   * <pre>
   * Output only. The last time this queue was purged.
   * All tasks that were [created][google.cloud.tasks.v2beta2.Task.create_time]
   * before this time were purged.
   * A queue can be purged using
   * [PurgeQueue][google.cloud.tasks.v2beta2.CloudTasks.PurgeQueue], the [App
   * Engine Task Queue SDK, or the Cloud
   * Console](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/deleting-tasks-and-queues#purging_all_tasks_from_a_queue).
   * Purge time will be truncated to the nearest microsecond. Purge
   * time will be unset if the queue has never been purged.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp purge_time = 8;</code>
   */
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  /**
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   * </pre>
   *
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    /**
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     * [CreateQueue][google.cloud.tasks.v2beta2.CloudTasks.CreateQueue], after
     * which it becomes output only.
     * The queue name.
     * The queue name must have the following format:
     * `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
     * * `PROJECT_ID` can contain letters ([A-Za-z]), numbers ([0-9]),
     *    hyphens (-), colons (:), or periods (.).
     *    For more information, see
     *    [Identifying
     *    projects](https://cloud.google.com/resource-manager/docs/creating-managing-projects#identifying_projects)
     * * `LOCATION_ID` is the canonical ID for the queue's location.
     *    The list of available locations can be obtained by calling
     *    [ListLocations][google.cloud.location.Locations.ListLocations].
     *    For more information, see https://cloud.google.com/about/locations/.
     * * `QUEUE_ID` can contain letters ([A-Za-z]), numbers ([0-9]), or
     *   hyphens (-). The maximum length is 100 characters.
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     *
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    /**
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     * Caller-specified and required in
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     * The queue name.
     * The queue name must have the following format:
     * `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
     * * `PROJECT_ID` can contain letters ([A-Za-z]), numbers ([0-9]),
     *    hyphens (-), colons (:), or periods (.).
     *    For more information, see
     *    [Identifying
     *    projects](https://cloud.google.com/resource-manager/docs/creating-managing-projects#identifying_projects)
     * * `LOCATION_ID` is the canonical ID for the queue's location.
     *    The list of available locations can be obtained by calling
     *    [ListLocations][google.cloud.location.Locations.ListLocations].
     *    For more information, see https://cloud.google.com/about/locations/.
     * * `QUEUE_ID` can contain letters ([A-Za-z]), numbers ([0-9]), or
     *   hyphens (-). The maximum length is 100 characters.
     * </pre>
     *
     * <code>string name = 1;</code>
     */
    public com.google.protobuf.ByteString getNameBytes() {
      java.lang.Object ref = name_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        name_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Caller-specified and required in
     * [CreateQueue][google.cloud.tasks.v2beta2.CloudTasks.CreateQueue], after
     * which it becomes output only.
     * The queue name.
     * The queue name must have the following format:
     * `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
     * * `PROJECT_ID` can contain letters ([A-Za-z]), numbers ([0-9]),
     *    hyphens (-), colons (:), or periods (.).
     *    For more information, see
     *    [Identifying
     *    projects](https://cloud.google.com/resource-manager/docs/creating-managing-projects#identifying_projects)
     * * `LOCATION_ID` is the canonical ID for the queue's location.
     *    The list of available locations can be obtained by calling
     *    [ListLocations][google.cloud.location.Locations.ListLocations].
     *    For more information, see https://cloud.google.com/about/locations/.
     * * `QUEUE_ID` can contain letters ([A-Za-z]), numbers ([0-9]), or
     *   hyphens (-). The maximum length is 100 characters.
     * </pre>
     *
     * <code>string name = 1;</code>
     */
    public Builder setName(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }

      name_ = value;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Caller-specified and required in
     * [CreateQueue][google.cloud.tasks.v2beta2.CloudTasks.CreateQueue], after
     * which it becomes output only.
     * The queue name.
     * The queue name must have the following format:
     * `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
     * * `PROJECT_ID` can contain letters ([A-Za-z]), numbers ([0-9]),
     *    hyphens (-), colons (:), or periods (.).
     *    For more information, see
     *    [Identifying
     *    projects](https://cloud.google.com/resource-manager/docs/creating-managing-projects#identifying_projects)
     * * `LOCATION_ID` is the canonical ID for the queue's location.
     *    The list of available locations can be obtained by calling
     *    [ListLocations][google.cloud.location.Locations.ListLocations].
     *    For more information, see https://cloud.google.com/about/locations/.
     * * `QUEUE_ID` can contain letters ([A-Za-z]), numbers ([0-9]), or
     *   hyphens (-). The maximum length is 100 characters.
     * </pre>
     *
     * <code>string name = 1;</code>
     */
    public Builder clearName() {

      name_ = getDefaultInstance().getName();
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Caller-specified and required in
     * [CreateQueue][google.cloud.tasks.v2beta2.CloudTasks.CreateQueue], after
     * which it becomes output only.
     * The queue name.
     * The queue name must have the following format:
     * `projects/PROJECT_ID/locations/LOCATION_ID/queues/QUEUE_ID`
     * * `PROJECT_ID` can contain letters ([A-Za-z]), numbers ([0-9]),
     *    hyphens (-), colons (:), or periods (.).
     *    For more information, see
     *    [Identifying
     *    projects](https://cloud.google.com/resource-manager/docs/creating-managing-projects#identifying_projects)
     * * `LOCATION_ID` is the canonical ID for the queue's location.
     *    The list of available locations can be obtained by calling
     *    [ListLocations][google.cloud.location.Locations.ListLocations].
     *    For more information, see https://cloud.google.com/about/locations/.
     * * `QUEUE_ID` can contain letters ([A-Za-z]), numbers ([0-9]), or
     *   hyphens (-). The maximum length is 100 characters.
     * </pre>
     *
     * <code>string name = 1;</code>
     */
    public Builder setNameBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);

      name_ = value;
      onChanged();
      return this;
    }

    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.tasks.v2beta2.AppEngineHttpTarget,
            com.google.cloud.tasks.v2beta2.AppEngineHttpTarget.Builder,
            com.google.cloud.tasks.v2beta2.AppEngineHttpTargetOrBuilder>
        appEngineHttpTargetBuilder_;
    /**
     *
     *
     * <pre>
     * App Engine HTTP target.
     * An App Engine queue is a queue that has an
     * [AppEngineHttpTarget][google.cloud.tasks.v2beta2.AppEngineHttpTarget].
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.AppEngineHttpTarget app_engine_http_target = 3;</code>
     */
    public boolean hasAppEngineHttpTarget() {
      return targetTypeCase_ == 3;
    }
    /**
     *
     *
     * <pre>
     * App Engine HTTP target.
     * An App Engine queue is a queue that has an
     * [AppEngineHttpTarget][google.cloud.tasks.v2beta2.AppEngineHttpTarget].
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.AppEngineHttpTarget app_engine_http_target = 3;</code>
     */
    public com.google.cloud.tasks.v2beta2.AppEngineHttpTarget getAppEngineHttpTarget() {
      if (appEngineHttpTargetBuilder_ == null) {
        if (targetTypeCase_ == 3) {
          return (com.google.cloud.tasks.v2beta2.AppEngineHttpTarget) targetType_;
        }
        return com.google.cloud.tasks.v2beta2.AppEngineHttpTarget.getDefaultInstance();
      } else {
        if (targetTypeCase_ == 3) {
          return appEngineHttpTargetBuilder_.getMessage();
        }
        return com.google.cloud.tasks.v2beta2.AppEngineHttpTarget.getDefaultInstance();
      }
    }
    /**
     *
     *
     * <pre>
     * App Engine HTTP target.
     * An App Engine queue is a queue that has an
     * [AppEngineHttpTarget][google.cloud.tasks.v2beta2.AppEngineHttpTarget].
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.AppEngineHttpTarget app_engine_http_target = 3;</code>
     */
    public Builder setAppEngineHttpTarget(
        com.google.cloud.tasks.v2beta2.AppEngineHttpTarget value) {
      if (appEngineHttpTargetBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        targetType_ = value;
        onChanged();
      } else {
        appEngineHttpTargetBuilder_.setMessage(value);
      }
      targetTypeCase_ = 3;
      return this;
    }
    /**
     *
     *
     * <pre>
     * App Engine HTTP target.
     * An App Engine queue is a queue that has an
     * [AppEngineHttpTarget][google.cloud.tasks.v2beta2.AppEngineHttpTarget].
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.AppEngineHttpTarget app_engine_http_target = 3;</code>
     */
    public Builder setAppEngineHttpTarget(
        com.google.cloud.tasks.v2beta2.AppEngineHttpTarget.Builder builderForValue) {
      if (appEngineHttpTargetBuilder_ == null) {
        targetType_ = builderForValue.build();
        onChanged();
      } else {
        appEngineHttpTargetBuilder_.setMessage(builderForValue.build());
      }
      targetTypeCase_ = 3;
      return this;
    }
    /**
     *
     *
     * <pre>
     * App Engine HTTP target.
     * An App Engine queue is a queue that has an
     * [AppEngineHttpTarget][google.cloud.tasks.v2beta2.AppEngineHttpTarget].
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.AppEngineHttpTarget app_engine_http_target = 3;</code>
     */
    public Builder mergeAppEngineHttpTarget(
        com.google.cloud.tasks.v2beta2.AppEngineHttpTarget value) {
      if (appEngineHttpTargetBuilder_ == null) {
        if (targetTypeCase_ == 3
            && targetType_
                != com.google.cloud.tasks.v2beta2.AppEngineHttpTarget.getDefaultInstance()) {
          targetType_ =
              com.google.cloud.tasks.v2beta2.AppEngineHttpTarget.newBuilder(
                      (com.google.cloud.tasks.v2beta2.AppEngineHttpTarget) targetType_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          targetType_ = value;
        }
        onChanged();
      } else {
        if (targetTypeCase_ == 3) {
          appEngineHttpTargetBuilder_.mergeFrom(value);
        }
        appEngineHttpTargetBuilder_.setMessage(value);
      }
      targetTypeCase_ = 3;
      return this;
    }
    /**
     *
     *
     * <pre>
     * App Engine HTTP target.
     * An App Engine queue is a queue that has an
     * [AppEngineHttpTarget][google.cloud.tasks.v2beta2.AppEngineHttpTarget].
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.AppEngineHttpTarget app_engine_http_target = 3;</code>
     */
    public Builder clearAppEngineHttpTarget() {
      if (appEngineHttpTargetBuilder_ == null) {
        if (targetTypeCase_ == 3) {
          targetTypeCase_ = 0;
          targetType_ = null;
          onChanged();
        }
      } else {
        if (targetTypeCase_ == 3) {
          targetTypeCase_ = 0;
          targetType_ = null;
        }
        appEngineHttpTargetBuilder_.clear();
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * App Engine HTTP target.
     * An App Engine queue is a queue that has an
     * [AppEngineHttpTarget][google.cloud.tasks.v2beta2.AppEngineHttpTarget].
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.AppEngineHttpTarget app_engine_http_target = 3;</code>
     */
    public com.google.cloud.tasks.v2beta2.AppEngineHttpTarget.Builder
        getAppEngineHttpTargetBuilder() {
      return getAppEngineHttpTargetFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * App Engine HTTP target.
     * An App Engine queue is a queue that has an
     * [AppEngineHttpTarget][google.cloud.tasks.v2beta2.AppEngineHttpTarget].
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.AppEngineHttpTarget app_engine_http_target = 3;</code>
     */
    public com.google.cloud.tasks.v2beta2.AppEngineHttpTargetOrBuilder
        getAppEngineHttpTargetOrBuilder() {
      if ((targetTypeCase_ == 3) && (appEngineHttpTargetBuilder_ != null)) {
        return appEngineHttpTargetBuilder_.getMessageOrBuilder();
      } else {
        if (targetTypeCase_ == 3) {
          return (com.google.cloud.tasks.v2beta2.AppEngineHttpTarget) targetType_;
        }
        return com.google.cloud.tasks.v2beta2.AppEngineHttpTarget.getDefaultInstance();
      }
    }
    /**
     *
     *
     * <pre>
     * App Engine HTTP target.
     * An App Engine queue is a queue that has an
     * [AppEngineHttpTarget][google.cloud.tasks.v2beta2.AppEngineHttpTarget].
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.AppEngineHttpTarget app_engine_http_target = 3;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.tasks.v2beta2.AppEngineHttpTarget,
            com.google.cloud.tasks.v2beta2.AppEngineHttpTarget.Builder,
            com.google.cloud.tasks.v2beta2.AppEngineHttpTargetOrBuilder>
        getAppEngineHttpTargetFieldBuilder() {
      if (appEngineHttpTargetBuilder_ == null) {
        if (!(targetTypeCase_ == 3)) {
          targetType_ = com.google.cloud.tasks.v2beta2.AppEngineHttpTarget.getDefaultInstance();
        }
        appEngineHttpTargetBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.tasks.v2beta2.AppEngineHttpTarget,
                com.google.cloud.tasks.v2beta2.AppEngineHttpTarget.Builder,
                com.google.cloud.tasks.v2beta2.AppEngineHttpTargetOrBuilder>(
                (com.google.cloud.tasks.v2beta2.AppEngineHttpTarget) targetType_,
                getParentForChildren(),
                isClean());
        targetType_ = null;
      }
      targetTypeCase_ = 3;
      onChanged();
      ;
      return appEngineHttpTargetBuilder_;
    }

    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.tasks.v2beta2.PullTarget,
            com.google.cloud.tasks.v2beta2.PullTarget.Builder,
            com.google.cloud.tasks.v2beta2.PullTargetOrBuilder>
        pullTargetBuilder_;
    /**
     *
     *
     * <pre>
     * Pull target.
     * A pull queue is a queue that has a
     * [PullTarget][google.cloud.tasks.v2beta2.PullTarget].
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.PullTarget pull_target = 4;</code>
     */
    public boolean hasPullTarget() {
      return targetTypeCase_ == 4;
    }
    /**
     *
     *
     * <pre>
     * Pull target.
     * A pull queue is a queue that has a
     * [PullTarget][google.cloud.tasks.v2beta2.PullTarget].
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.PullTarget pull_target = 4;</code>
     */
    public com.google.cloud.tasks.v2beta2.PullTarget getPullTarget() {
      if (pullTargetBuilder_ == null) {
        if (targetTypeCase_ == 4) {
          return (com.google.cloud.tasks.v2beta2.PullTarget) targetType_;
        }
        return com.google.cloud.tasks.v2beta2.PullTarget.getDefaultInstance();
      } else {
        if (targetTypeCase_ == 4) {
          return pullTargetBuilder_.getMessage();
        }
        return com.google.cloud.tasks.v2beta2.PullTarget.getDefaultInstance();
      }
    }
    /**
     *
     *
     * <pre>
     * Pull target.
     * A pull queue is a queue that has a
     * [PullTarget][google.cloud.tasks.v2beta2.PullTarget].
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.PullTarget pull_target = 4;</code>
     */
    public Builder setPullTarget(com.google.cloud.tasks.v2beta2.PullTarget value) {
      if (pullTargetBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        targetType_ = value;
        onChanged();
      } else {
        pullTargetBuilder_.setMessage(value);
      }
      targetTypeCase_ = 4;
      return this;
    }
    /**
     *
     *
     * <pre>
     * Pull target.
     * A pull queue is a queue that has a
     * [PullTarget][google.cloud.tasks.v2beta2.PullTarget].
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.PullTarget pull_target = 4;</code>
     */
    public Builder setPullTarget(
        com.google.cloud.tasks.v2beta2.PullTarget.Builder builderForValue) {
      if (pullTargetBuilder_ == null) {
        targetType_ = builderForValue.build();
        onChanged();
      } else {
        pullTargetBuilder_.setMessage(builderForValue.build());
      }
      targetTypeCase_ = 4;
      return this;
    }
    /**
     *
     *
     * <pre>
     * Pull target.
     * A pull queue is a queue that has a
     * [PullTarget][google.cloud.tasks.v2beta2.PullTarget].
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.PullTarget pull_target = 4;</code>
     */
    public Builder mergePullTarget(com.google.cloud.tasks.v2beta2.PullTarget value) {
      if (pullTargetBuilder_ == null) {
        if (targetTypeCase_ == 4
            && targetType_ != com.google.cloud.tasks.v2beta2.PullTarget.getDefaultInstance()) {
          targetType_ =
              com.google.cloud.tasks.v2beta2.PullTarget.newBuilder(
                      (com.google.cloud.tasks.v2beta2.PullTarget) targetType_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          targetType_ = value;
        }
        onChanged();
      } else {
        if (targetTypeCase_ == 4) {
          pullTargetBuilder_.mergeFrom(value);
        }
        pullTargetBuilder_.setMessage(value);
      }
      targetTypeCase_ = 4;
      return this;
    }
    /**
     *
     *
     * <pre>
     * Pull target.
     * A pull queue is a queue that has a
     * [PullTarget][google.cloud.tasks.v2beta2.PullTarget].
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.PullTarget pull_target = 4;</code>
     */
    public Builder clearPullTarget() {
      if (pullTargetBuilder_ == null) {
        if (targetTypeCase_ == 4) {
          targetTypeCase_ = 0;
          targetType_ = null;
          onChanged();
        }
      } else {
        if (targetTypeCase_ == 4) {
          targetTypeCase_ = 0;
          targetType_ = null;
        }
        pullTargetBuilder_.clear();
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * Pull target.
     * A pull queue is a queue that has a
     * [PullTarget][google.cloud.tasks.v2beta2.PullTarget].
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.PullTarget pull_target = 4;</code>
     */
    public com.google.cloud.tasks.v2beta2.PullTarget.Builder getPullTargetBuilder() {
      return getPullTargetFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * Pull target.
     * A pull queue is a queue that has a
     * [PullTarget][google.cloud.tasks.v2beta2.PullTarget].
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.PullTarget pull_target = 4;</code>
     */
    public com.google.cloud.tasks.v2beta2.PullTargetOrBuilder getPullTargetOrBuilder() {
      if ((targetTypeCase_ == 4) && (pullTargetBuilder_ != null)) {
        return pullTargetBuilder_.getMessageOrBuilder();
      } else {
        if (targetTypeCase_ == 4) {
          return (com.google.cloud.tasks.v2beta2.PullTarget) targetType_;
        }
        return com.google.cloud.tasks.v2beta2.PullTarget.getDefaultInstance();
      }
    }
    /**
     *
     *
     * <pre>
     * Pull target.
     * A pull queue is a queue that has a
     * [PullTarget][google.cloud.tasks.v2beta2.PullTarget].
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.PullTarget pull_target = 4;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.tasks.v2beta2.PullTarget,
            com.google.cloud.tasks.v2beta2.PullTarget.Builder,
            com.google.cloud.tasks.v2beta2.PullTargetOrBuilder>
        getPullTargetFieldBuilder() {
      if (pullTargetBuilder_ == null) {
        if (!(targetTypeCase_ == 4)) {
          targetType_ = com.google.cloud.tasks.v2beta2.PullTarget.getDefaultInstance();
        }
        pullTargetBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.tasks.v2beta2.PullTarget,
                com.google.cloud.tasks.v2beta2.PullTarget.Builder,
                com.google.cloud.tasks.v2beta2.PullTargetOrBuilder>(
                (com.google.cloud.tasks.v2beta2.PullTarget) targetType_,
                getParentForChildren(),
                isClean());
        targetType_ = null;
      }
      targetTypeCase_ = 4;
      onChanged();
      ;
      return pullTargetBuilder_;
    }

    private com.google.cloud.tasks.v2beta2.RateLimits rateLimits_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.tasks.v2beta2.RateLimits,
            com.google.cloud.tasks.v2beta2.RateLimits.Builder,
            com.google.cloud.tasks.v2beta2.RateLimitsOrBuilder>
        rateLimitsBuilder_;
    /**
     *
     *
     * <pre>
     * Rate limits for task dispatches.
     * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] and
     * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] are related
     * because they both control task attempts however they control how tasks are
     * attempted in different ways:
     * * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] controls the
     * total rate of
     *   dispatches from a queue (i.e. all traffic dispatched from the
     *   queue, regardless of whether the dispatch is from a first
     *   attempt or a retry).
     * * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
     * what happens to
     *   particular a task after its first attempt fails. That is,
     *   [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
     *   task retries (the second attempt, third attempt, etc).
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.RateLimits rate_limits = 5;</code>
     */
    public boolean hasRateLimits() {
      return rateLimitsBuilder_ != null || rateLimits_ != null;
    }
    /**
     *
     *
     * <pre>
     * Rate limits for task dispatches.
     * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] and
     * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] are related
     * because they both control task attempts however they control how tasks are
     * attempted in different ways:
     * * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] controls the
     * total rate of
     *   dispatches from a queue (i.e. all traffic dispatched from the
     *   queue, regardless of whether the dispatch is from a first
     *   attempt or a retry).
     * * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
     * what happens to
     *   particular a task after its first attempt fails. That is,
     *   [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
     *   task retries (the second attempt, third attempt, etc).
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.RateLimits rate_limits = 5;</code>
     */
    public com.google.cloud.tasks.v2beta2.RateLimits getRateLimits() {
      if (rateLimitsBuilder_ == null) {
        return rateLimits_ == null
            ? com.google.cloud.tasks.v2beta2.RateLimits.getDefaultInstance()
            : rateLimits_;
      } else {
        return rateLimitsBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * Rate limits for task dispatches.
     * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] and
     * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] are related
     * because they both control task attempts however they control how tasks are
     * attempted in different ways:
     * * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] controls the
     * total rate of
     *   dispatches from a queue (i.e. all traffic dispatched from the
     *   queue, regardless of whether the dispatch is from a first
     *   attempt or a retry).
     * * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
     * what happens to
     *   particular a task after its first attempt fails. That is,
     *   [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
     *   task retries (the second attempt, third attempt, etc).
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.RateLimits rate_limits = 5;</code>
     */
    public Builder setRateLimits(com.google.cloud.tasks.v2beta2.RateLimits value) {
      if (rateLimitsBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        rateLimits_ = value;
        onChanged();
      } else {
        rateLimitsBuilder_.setMessage(value);
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * Rate limits for task dispatches.
     * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] and
     * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] are related
     * because they both control task attempts however they control how tasks are
     * attempted in different ways:
     * * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] controls the
     * total rate of
     *   dispatches from a queue (i.e. all traffic dispatched from the
     *   queue, regardless of whether the dispatch is from a first
     *   attempt or a retry).
     * * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
     * what happens to
     *   particular a task after its first attempt fails. That is,
     *   [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
     *   task retries (the second attempt, third attempt, etc).
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.RateLimits rate_limits = 5;</code>
     */
    public Builder setRateLimits(
        com.google.cloud.tasks.v2beta2.RateLimits.Builder builderForValue) {
      if (rateLimitsBuilder_ == null) {
        rateLimits_ = builderForValue.build();
        onChanged();
      } else {
        rateLimitsBuilder_.setMessage(builderForValue.build());
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * Rate limits for task dispatches.
     * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] and
     * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] are related
     * because they both control task attempts however they control how tasks are
     * attempted in different ways:
     * * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] controls the
     * total rate of
     *   dispatches from a queue (i.e. all traffic dispatched from the
     *   queue, regardless of whether the dispatch is from a first
     *   attempt or a retry).
     * * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
     * what happens to
     *   particular a task after its first attempt fails. That is,
     *   [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
     *   task retries (the second attempt, third attempt, etc).
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.RateLimits rate_limits = 5;</code>
     */
    public Builder mergeRateLimits(com.google.cloud.tasks.v2beta2.RateLimits value) {
      if (rateLimitsBuilder_ == null) {
        if (rateLimits_ != null) {
          rateLimits_ =
              com.google.cloud.tasks.v2beta2.RateLimits.newBuilder(rateLimits_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          rateLimits_ = value;
        }
        onChanged();
      } else {
        rateLimitsBuilder_.mergeFrom(value);
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * Rate limits for task dispatches.
     * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] and
     * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] are related
     * because they both control task attempts however they control how tasks are
     * attempted in different ways:
     * * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] controls the
     * total rate of
     *   dispatches from a queue (i.e. all traffic dispatched from the
     *   queue, regardless of whether the dispatch is from a first
     *   attempt or a retry).
     * * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
     * what happens to
     *   particular a task after its first attempt fails. That is,
     *   [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
     *   task retries (the second attempt, third attempt, etc).
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.RateLimits rate_limits = 5;</code>
     */
    public Builder clearRateLimits() {
      if (rateLimitsBuilder_ == null) {
        rateLimits_ = null;
        onChanged();
      } else {
        rateLimits_ = null;
        rateLimitsBuilder_ = null;
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * Rate limits for task dispatches.
     * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] and
     * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] are related
     * because they both control task attempts however they control how tasks are
     * attempted in different ways:
     * * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] controls the
     * total rate of
     *   dispatches from a queue (i.e. all traffic dispatched from the
     *   queue, regardless of whether the dispatch is from a first
     *   attempt or a retry).
     * * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
     * what happens to
     *   particular a task after its first attempt fails. That is,
     *   [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
     *   task retries (the second attempt, third attempt, etc).
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.RateLimits rate_limits = 5;</code>
     */
    public com.google.cloud.tasks.v2beta2.RateLimits.Builder getRateLimitsBuilder() {

      onChanged();
      return getRateLimitsFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * Rate limits for task dispatches.
     * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] and
     * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] are related
     * because they both control task attempts however they control how tasks are
     * attempted in different ways:
     * * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] controls the
     * total rate of
     *   dispatches from a queue (i.e. all traffic dispatched from the
     *   queue, regardless of whether the dispatch is from a first
     *   attempt or a retry).
     * * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
     * what happens to
     *   particular a task after its first attempt fails. That is,
     *   [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
     *   task retries (the second attempt, third attempt, etc).
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.RateLimits rate_limits = 5;</code>
     */
    public com.google.cloud.tasks.v2beta2.RateLimitsOrBuilder getRateLimitsOrBuilder() {
      if (rateLimitsBuilder_ != null) {
        return rateLimitsBuilder_.getMessageOrBuilder();
      } else {
        return rateLimits_ == null
            ? com.google.cloud.tasks.v2beta2.RateLimits.getDefaultInstance()
            : rateLimits_;
      }
    }
    /**
     *
     *
     * <pre>
     * Rate limits for task dispatches.
     * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] and
     * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] are related
     * because they both control task attempts however they control how tasks are
     * attempted in different ways:
     * * [rate_limits][google.cloud.tasks.v2beta2.Queue.rate_limits] controls the
     * total rate of
     *   dispatches from a queue (i.e. all traffic dispatched from the
     *   queue, regardless of whether the dispatch is from a first
     *   attempt or a retry).
     * * [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
     * what happens to
     *   particular a task after its first attempt fails. That is,
     *   [retry_config][google.cloud.tasks.v2beta2.Queue.retry_config] controls
     *   task retries (the second attempt, third attempt, etc).
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.RateLimits rate_limits = 5;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.tasks.v2beta2.RateLimits,
            com.google.cloud.tasks.v2beta2.RateLimits.Builder,
            com.google.cloud.tasks.v2beta2.RateLimitsOrBuilder>
        getRateLimitsFieldBuilder() {
      if (rateLimitsBuilder_ == null) {
        rateLimitsBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.tasks.v2beta2.RateLimits,
                com.google.cloud.tasks.v2beta2.RateLimits.Builder,
                com.google.cloud.tasks.v2beta2.RateLimitsOrBuilder>(
                getRateLimits(), getParentForChildren(), isClean());
        rateLimits_ = null;
      }
      return rateLimitsBuilder_;
    }

    private com.google.cloud.tasks.v2beta2.RetryConfig retryConfig_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.tasks.v2beta2.RetryConfig,
            com.google.cloud.tasks.v2beta2.RetryConfig.Builder,
            com.google.cloud.tasks.v2beta2.RetryConfigOrBuilder>
        retryConfigBuilder_;
    /**
     *
     *
     * <pre>
     * Settings that determine the retry behavior.
     * * For tasks created using Cloud Tasks: the queue-level retry settings
     *   apply to all tasks in the queue that were created using Cloud Tasks.
     *   Retry settings cannot be set on individual tasks.
     * * For tasks created using the App Engine SDK: the queue-level retry
     *   settings apply to all tasks in the queue which do not have retry settings
     *   explicitly set on the task and were created by the App Engine SDK. See
     *   [App Engine
     *   documentation](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/retrying-tasks).
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.RetryConfig retry_config = 6;</code>
     */
    public boolean hasRetryConfig() {
      return retryConfigBuilder_ != null || retryConfig_ != null;
    }
    /**
     *
     *
     * <pre>
     * Settings that determine the retry behavior.
     * * For tasks created using Cloud Tasks: the queue-level retry settings
     *   apply to all tasks in the queue that were created using Cloud Tasks.
     *   Retry settings cannot be set on individual tasks.
     * * For tasks created using the App Engine SDK: the queue-level retry
     *   settings apply to all tasks in the queue which do not have retry settings
     *   explicitly set on the task and were created by the App Engine SDK. See
     *   [App Engine
     *   documentation](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/retrying-tasks).
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.RetryConfig retry_config = 6;</code>
     */
    public com.google.cloud.tasks.v2beta2.RetryConfig getRetryConfig() {
      if (retryConfigBuilder_ == null) {
        return retryConfig_ == null
            ? com.google.cloud.tasks.v2beta2.RetryConfig.getDefaultInstance()
            : retryConfig_;
      } else {
        return retryConfigBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * Settings that determine the retry behavior.
     * * For tasks created using Cloud Tasks: the queue-level retry settings
     *   apply to all tasks in the queue that were created using Cloud Tasks.
     *   Retry settings cannot be set on individual tasks.
     * * For tasks created using the App Engine SDK: the queue-level retry
     *   settings apply to all tasks in the queue which do not have retry settings
     *   explicitly set on the task and were created by the App Engine SDK. See
     *   [App Engine
     *   documentation](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/retrying-tasks).
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.RetryConfig retry_config = 6;</code>
     */
    public Builder setRetryConfig(com.google.cloud.tasks.v2beta2.RetryConfig value) {
      if (retryConfigBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        retryConfig_ = value;
        onChanged();
      } else {
        retryConfigBuilder_.setMessage(value);
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * Settings that determine the retry behavior.
     * * For tasks created using Cloud Tasks: the queue-level retry settings
     *   apply to all tasks in the queue that were created using Cloud Tasks.
     *   Retry settings cannot be set on individual tasks.
     * * For tasks created using the App Engine SDK: the queue-level retry
     *   settings apply to all tasks in the queue which do not have retry settings
     *   explicitly set on the task and were created by the App Engine SDK. See
     *   [App Engine
     *   documentation](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/retrying-tasks).
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.RetryConfig retry_config = 6;</code>
     */
    public Builder setRetryConfig(
        com.google.cloud.tasks.v2beta2.RetryConfig.Builder builderForValue) {
      if (retryConfigBuilder_ == null) {
        retryConfig_ = builderForValue.build();
        onChanged();
      } else {
        retryConfigBuilder_.setMessage(builderForValue.build());
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * Settings that determine the retry behavior.
     * * For tasks created using Cloud Tasks: the queue-level retry settings
     *   apply to all tasks in the queue that were created using Cloud Tasks.
     *   Retry settings cannot be set on individual tasks.
     * * For tasks created using the App Engine SDK: the queue-level retry
     *   settings apply to all tasks in the queue which do not have retry settings
     *   explicitly set on the task and were created by the App Engine SDK. See
     *   [App Engine
     *   documentation](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/retrying-tasks).
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.RetryConfig retry_config = 6;</code>
     */
    public Builder mergeRetryConfig(com.google.cloud.tasks.v2beta2.RetryConfig value) {
      if (retryConfigBuilder_ == null) {
        if (retryConfig_ != null) {
          retryConfig_ =
              com.google.cloud.tasks.v2beta2.RetryConfig.newBuilder(retryConfig_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          retryConfig_ = value;
        }
        onChanged();
      } else {
        retryConfigBuilder_.mergeFrom(value);
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * Settings that determine the retry behavior.
     * * For tasks created using Cloud Tasks: the queue-level retry settings
     *   apply to all tasks in the queue that were created using Cloud Tasks.
     *   Retry settings cannot be set on individual tasks.
     * * For tasks created using the App Engine SDK: the queue-level retry
     *   settings apply to all tasks in the queue which do not have retry settings
     *   explicitly set on the task and were created by the App Engine SDK. See
     *   [App Engine
     *   documentation](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/retrying-tasks).
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.RetryConfig retry_config = 6;</code>
     */
    public Builder clearRetryConfig() {
      if (retryConfigBuilder_ == null) {
        retryConfig_ = null;
        onChanged();
      } else {
        retryConfig_ = null;
        retryConfigBuilder_ = null;
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * Settings that determine the retry behavior.
     * * For tasks created using Cloud Tasks: the queue-level retry settings
     *   apply to all tasks in the queue that were created using Cloud Tasks.
     *   Retry settings cannot be set on individual tasks.
     * * For tasks created using the App Engine SDK: the queue-level retry
     *   settings apply to all tasks in the queue which do not have retry settings
     *   explicitly set on the task and were created by the App Engine SDK. See
     *   [App Engine
     *   documentation](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/retrying-tasks).
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.RetryConfig retry_config = 6;</code>
     */
    public com.google.cloud.tasks.v2beta2.RetryConfig.Builder getRetryConfigBuilder() {

      onChanged();
      return getRetryConfigFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * Settings that determine the retry behavior.
     * * For tasks created using Cloud Tasks: the queue-level retry settings
     *   apply to all tasks in the queue that were created using Cloud Tasks.
     *   Retry settings cannot be set on individual tasks.
     * * For tasks created using the App Engine SDK: the queue-level retry
     *   settings apply to all tasks in the queue which do not have retry settings
     *   explicitly set on the task and were created by the App Engine SDK. See
     *   [App Engine
     *   documentation](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/retrying-tasks).
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.RetryConfig retry_config = 6;</code>
     */
    public com.google.cloud.tasks.v2beta2.RetryConfigOrBuilder getRetryConfigOrBuilder() {
      if (retryConfigBuilder_ != null) {
        return retryConfigBuilder_.getMessageOrBuilder();
      } else {
        return retryConfig_ == null
            ? com.google.cloud.tasks.v2beta2.RetryConfig.getDefaultInstance()
            : retryConfig_;
      }
    }
    /**
     *
     *
     * <pre>
     * Settings that determine the retry behavior.
     * * For tasks created using Cloud Tasks: the queue-level retry settings
     *   apply to all tasks in the queue that were created using Cloud Tasks.
     *   Retry settings cannot be set on individual tasks.
     * * For tasks created using the App Engine SDK: the queue-level retry
     *   settings apply to all tasks in the queue which do not have retry settings
     *   explicitly set on the task and were created by the App Engine SDK. See
     *   [App Engine
     *   documentation](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/retrying-tasks).
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.RetryConfig retry_config = 6;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.tasks.v2beta2.RetryConfig,
            com.google.cloud.tasks.v2beta2.RetryConfig.Builder,
            com.google.cloud.tasks.v2beta2.RetryConfigOrBuilder>
        getRetryConfigFieldBuilder() {
      if (retryConfigBuilder_ == null) {
        retryConfigBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.tasks.v2beta2.RetryConfig,
                com.google.cloud.tasks.v2beta2.RetryConfig.Builder,
                com.google.cloud.tasks.v2beta2.RetryConfigOrBuilder>(
                getRetryConfig(), getParentForChildren(), isClean());
        retryConfig_ = null;
      }
      return retryConfigBuilder_;
    }

    private int state_ = 0;
    /**
     *
     *
     * <pre>
     * Output only. The state of the queue.
     * `state` can only be changed by called
     * [PauseQueue][google.cloud.tasks.v2beta2.CloudTasks.PauseQueue],
     * [ResumeQueue][google.cloud.tasks.v2beta2.CloudTasks.ResumeQueue], or
     * uploading
     * [queue.yaml/xml](https://cloud.google.com/appengine/docs/python/config/queueref).
     * [UpdateQueue][google.cloud.tasks.v2beta2.CloudTasks.UpdateQueue] cannot be
     * used to change `state`.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.Queue.State state = 7;</code>
     */
    public int getStateValue() {
      return state_;
    }
    /**
     *
     *
     * <pre>
     * Output only. The state of the queue.
     * `state` can only be changed by called
     * [PauseQueue][google.cloud.tasks.v2beta2.CloudTasks.PauseQueue],
     * [ResumeQueue][google.cloud.tasks.v2beta2.CloudTasks.ResumeQueue], or
     * uploading
     * [queue.yaml/xml](https://cloud.google.com/appengine/docs/python/config/queueref).
     * [UpdateQueue][google.cloud.tasks.v2beta2.CloudTasks.UpdateQueue] cannot be
     * used to change `state`.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.Queue.State state = 7;</code>
     */
    public Builder setStateValue(int value) {
      state_ = value;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The state of the queue.
     * `state` can only be changed by called
     * [PauseQueue][google.cloud.tasks.v2beta2.CloudTasks.PauseQueue],
     * [ResumeQueue][google.cloud.tasks.v2beta2.CloudTasks.ResumeQueue], or
     * uploading
     * [queue.yaml/xml](https://cloud.google.com/appengine/docs/python/config/queueref).
     * [UpdateQueue][google.cloud.tasks.v2beta2.CloudTasks.UpdateQueue] cannot be
     * used to change `state`.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.Queue.State state = 7;</code>
     */
    public com.google.cloud.tasks.v2beta2.Queue.State getState() {
      @SuppressWarnings("deprecation")
      com.google.cloud.tasks.v2beta2.Queue.State result =
          com.google.cloud.tasks.v2beta2.Queue.State.valueOf(state_);
      return result == null ? com.google.cloud.tasks.v2beta2.Queue.State.UNRECOGNIZED : result;
    }
    /**
     *
     *
     * <pre>
     * Output only. The state of the queue.
     * `state` can only be changed by called
     * [PauseQueue][google.cloud.tasks.v2beta2.CloudTasks.PauseQueue],
     * [ResumeQueue][google.cloud.tasks.v2beta2.CloudTasks.ResumeQueue], or
     * uploading
     * [queue.yaml/xml](https://cloud.google.com/appengine/docs/python/config/queueref).
     * [UpdateQueue][google.cloud.tasks.v2beta2.CloudTasks.UpdateQueue] cannot be
     * used to change `state`.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.Queue.State state = 7;</code>
     */
    public Builder setState(com.google.cloud.tasks.v2beta2.Queue.State value) {
      if (value == null) {
        throw new NullPointerException();
      }

      state_ = value.getNumber();
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The state of the queue.
     * `state` can only be changed by called
     * [PauseQueue][google.cloud.tasks.v2beta2.CloudTasks.PauseQueue],
     * [ResumeQueue][google.cloud.tasks.v2beta2.CloudTasks.ResumeQueue], or
     * uploading
     * [queue.yaml/xml](https://cloud.google.com/appengine/docs/python/config/queueref).
     * [UpdateQueue][google.cloud.tasks.v2beta2.CloudTasks.UpdateQueue] cannot be
     * used to change `state`.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta2.Queue.State state = 7;</code>
     */
    public Builder clearState() {

      state_ = 0;
      onChanged();
      return this;
    }

    private com.google.protobuf.Timestamp purgeTime_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Timestamp,
            com.google.protobuf.Timestamp.Builder,
            com.google.protobuf.TimestampOrBuilder>
        purgeTimeBuilder_;
    /**
     *
     *
     * <pre>
     * Output only. The last time this queue was purged.
     * All tasks that were [created][google.cloud.tasks.v2beta2.Task.create_time]
     * before this time were purged.
     * A queue can be purged using
     * [PurgeQueue][google.cloud.tasks.v2beta2.CloudTasks.PurgeQueue], the [App
     * Engine Task Queue SDK, or the Cloud
     * Console](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/deleting-tasks-and-queues#purging_all_tasks_from_a_queue).
     * Purge time will be truncated to the nearest microsecond. Purge
     * time will be unset if the queue has never been purged.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp purge_time = 8;</code>
     */
    public boolean hasPurgeTime() {
      return purgeTimeBuilder_ != null || purgeTime_ != null;
    }
    /**
     *
     *
     * <pre>
     * Output only. The last time this queue was purged.
     * All tasks that were [created][google.cloud.tasks.v2beta2.Task.create_time]
     * before this time were purged.
     * A queue can be purged using
     * [PurgeQueue][google.cloud.tasks.v2beta2.CloudTasks.PurgeQueue], the [App
     * Engine Task Queue SDK, or the Cloud
     * Console](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/deleting-tasks-and-queues#purging_all_tasks_from_a_queue).
     * Purge time will be truncated to the nearest microsecond. Purge
     * time will be unset if the queue has never been purged.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp purge_time = 8;</code>
     */
    public com.google.protobuf.Timestamp getPurgeTime() {
      if (purgeTimeBuilder_ == null) {
        return purgeTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : purgeTime_;
      } else {
        return purgeTimeBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * Output only. The last time this queue was purged.
     * All tasks that were [created][google.cloud.tasks.v2beta2.Task.create_time]
     * before this time were purged.
     * A queue can be purged using
     * [PurgeQueue][google.cloud.tasks.v2beta2.CloudTasks.PurgeQueue], the [App
     * Engine Task Queue SDK, or the Cloud
     * Console](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/deleting-tasks-and-queues#purging_all_tasks_from_a_queue).
     * Purge time will be truncated to the nearest microsecond. Purge
     * time will be unset if the queue has never been purged.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp purge_time = 8;</code>
     */
    public Builder setPurgeTime(com.google.protobuf.Timestamp value) {
      if (purgeTimeBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        purgeTime_ = value;
        onChanged();
      } else {
        purgeTimeBuilder_.setMessage(value);
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The last time this queue was purged.
     * All tasks that were [created][google.cloud.tasks.v2beta2.Task.create_time]
     * before this time were purged.
     * A queue can be purged using
     * [PurgeQueue][google.cloud.tasks.v2beta2.CloudTasks.PurgeQueue], the [App
     * Engine Task Queue SDK, or the Cloud
     * Console](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/deleting-tasks-and-queues#purging_all_tasks_from_a_queue).
     * Purge time will be truncated to the nearest microsecond. Purge
     * time will be unset if the queue has never been purged.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp purge_time = 8;</code>
     */
    public Builder setPurgeTime(com.google.protobuf.Timestamp.Builder builderForValue) {
      if (purgeTimeBuilder_ == null) {
        purgeTime_ = builderForValue.build();
        onChanged();
      } else {
        purgeTimeBuilder_.setMessage(builderForValue.build());
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The last time this queue was purged.
     * All tasks that were [created][google.cloud.tasks.v2beta2.Task.create_time]
     * before this time were purged.
     * A queue can be purged using
     * [PurgeQueue][google.cloud.tasks.v2beta2.CloudTasks.PurgeQueue], the [App
     * Engine Task Queue SDK, or the Cloud
     * Console](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/deleting-tasks-and-queues#purging_all_tasks_from_a_queue).
     * Purge time will be truncated to the nearest microsecond. Purge
     * time will be unset if the queue has never been purged.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp purge_time = 8;</code>
     */
    public Builder mergePurgeTime(com.google.protobuf.Timestamp value) {
      if (purgeTimeBuilder_ == null) {
        if (purgeTime_ != null) {
          purgeTime_ =
              com.google.protobuf.Timestamp.newBuilder(purgeTime_).mergeFrom(value).buildPartial();
        } else {
          purgeTime_ = value;
        }
        onChanged();
      } else {
        purgeTimeBuilder_.mergeFrom(value);
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The last time this queue was purged.
     * All tasks that were [created][google.cloud.tasks.v2beta2.Task.create_time]
     * before this time were purged.
     * A queue can be purged using
     * [PurgeQueue][google.cloud.tasks.v2beta2.CloudTasks.PurgeQueue], the [App
     * Engine Task Queue SDK, or the Cloud
     * Console](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/deleting-tasks-and-queues#purging_all_tasks_from_a_queue).
     * Purge time will be truncated to the nearest microsecond. Purge
     * time will be unset if the queue has never been purged.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp purge_time = 8;</code>
     */
    public Builder clearPurgeTime() {
      if (purgeTimeBuilder_ == null) {
        purgeTime_ = null;
        onChanged();
      } else {
        purgeTime_ = null;
        purgeTimeBuilder_ = null;
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * Output only. The last time this queue was purged.
     * All tasks that were [created][google.cloud.tasks.v2beta2.Task.create_time]
     * before this time were purged.
     * A queue can be purged using
     * [PurgeQueue][google.cloud.tasks.v2beta2.CloudTasks.PurgeQueue], the [App
     * Engine Task Queue SDK, or the Cloud
     * Console](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/deleting-tasks-and-queues#purging_all_tasks_from_a_queue).
     * Purge time will be truncated to the nearest microsecond. Purge
     * time will be unset if the queue has never been purged.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp purge_time = 8;</code>
     */
    public com.google.protobuf.Timestamp.Builder getPurgeTimeBuilder() {

      onChanged();
      return getPurgeTimeFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * Output only. The last time this queue was purged.
     * All tasks that were [created][google.cloud.tasks.v2beta2.Task.create_time]
     * before this time were purged.
     * A queue can be purged using
     * [PurgeQueue][google.cloud.tasks.v2beta2.CloudTasks.PurgeQueue], the [App
     * Engine Task Queue SDK, or the Cloud
     * Console](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/deleting-tasks-and-queues#purging_all_tasks_from_a_queue).
     * Purge time will be truncated to the nearest microsecond. Purge
     * time will be unset if the queue has never been purged.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp purge_time = 8;</code>
     */
    public com.google.protobuf.TimestampOrBuilder getPurgeTimeOrBuilder() {
      if (purgeTimeBuilder_ != null) {
        return purgeTimeBuilder_.getMessageOrBuilder();
      } else {
        return purgeTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : purgeTime_;
      }
    }
    /**
     *
     *
     * <pre>
     * Output only. The last time this queue was purged.
     * All tasks that were [created][google.cloud.tasks.v2beta2.Task.create_time]
     * before this time were purged.
     * A queue can be purged using
     * [PurgeQueue][google.cloud.tasks.v2beta2.CloudTasks.PurgeQueue], the [App
     * Engine Task Queue SDK, or the Cloud
     * Console](https://cloud.google.com/appengine/docs/standard/python/taskqueue/push/deleting-tasks-and-queues#purging_all_tasks_from_a_queue).
     * Purge time will be truncated to the nearest microsecond. Purge
     * time will be unset if the queue has never been purged.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp purge_time = 8;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Timestamp,
            com.google.protobuf.Timestamp.Builder,
            com.google.protobuf.TimestampOrBuilder>
        getPurgeTimeFieldBuilder() {
      if (purgeTimeBuilder_ == null) {
        purgeTimeBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.protobuf.Timestamp,
                com.google.protobuf.Timestamp.Builder,
                com.google.protobuf.TimestampOrBuilder>(
                getPurgeTime(), getParentForChildren(), isClean());
        purgeTime_ = null;
      }
      return purgeTimeBuilder_;
    }

    @java.lang.Override
    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.setUnknownFields(unknownFields);
    }

    @java.lang.Override
    public final Builder mergeUnknownFields(
        final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.mergeUnknownFields(unknownFields);
    }

    // @@protoc_insertion_point(builder_scope:google.cloud.tasks.v2beta2.Queue)
  }

  // @@protoc_insertion_point(class_scope:google.cloud.tasks.v2beta2.Queue)
  private static final com.google.cloud.tasks.v2beta2.Queue DEFAULT_INSTANCE;

  static {
    DEFAULT_INSTANCE = new com.google.cloud.tasks.v2beta2.Queue();
  }

  public static com.google.cloud.tasks.v2beta2.Queue getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }

  private static final com.google.protobuf.Parser<Queue> PARSER =
      new com.google.protobuf.AbstractParser<Queue>() {
        @java.lang.Override
        public Queue parsePartialFrom(
            com.google.protobuf.CodedInputStream input,
            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws com.google.protobuf.InvalidProtocolBufferException {
          return new Queue(input, extensionRegistry);
        }
      };

  public static com.google.protobuf.Parser<Queue> parser() {
    return PARSER;
  }

  @java.lang.Override
  public com.google.protobuf.Parser<Queue> getParserForType() {
    return PARSER;
  }

  @java.lang.Override
  public com.google.cloud.tasks.v2beta2.Queue getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }
}
