// Generated by the protocol buffer compiler.  DO NOT EDIT!
// source: google/cloud/tasks/v2beta3/queue.proto

package com.google.cloud.tasks.v2beta3;

/**
 *
 *
 * <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, queue types, and others.
 * </pre>
 *
 * Protobuf type {@code google.cloud.tasks.v2beta3.Queue}
 */
public final class Queue extends com.google.protobuf.GeneratedMessageV3
    implements
    // @@protoc_insertion_point(message_implements:google.cloud.tasks.v2beta3.Queue)
    QueueOrBuilder {
  private static final long serialVersionUID = 0L;
  // Use Queue.newBuilder() to construct.
  private Queue(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
    super(builder);
  }

  private Queue() {
    name_ = "";
    state_ = 0;
  }

  @java.lang.Override
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      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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                      extensionRegistry);
              if (subBuilder != null) {
                subBuilder.mergeFrom(
                    (com.google.cloud.tasks.v2beta3.AppEngineHttpQueue) queueType_);
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          case 34:
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              com.google.cloud.tasks.v2beta3.RateLimits.Builder subBuilder = null;
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                subBuilder = rateLimits_.toBuilder();
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              rateLimits_ =
                  input.readMessage(
                      com.google.cloud.tasks.v2beta3.RateLimits.parser(), extensionRegistry);
              if (subBuilder != null) {
                subBuilder.mergeFrom(rateLimits_);
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              }

              break;
            }
          case 42:
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              com.google.cloud.tasks.v2beta3.RetryConfig.Builder subBuilder = null;
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                subBuilder = retryConfig_.toBuilder();
              }
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                  input.readMessage(
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  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    return com.google.cloud.tasks.v2beta3.QueueProto
        .internal_static_google_cloud_tasks_v2beta3_Queue_descriptor;
  }

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        .internal_static_google_cloud_tasks_v2beta3_Queue_fieldAccessorTable
        .ensureFieldAccessorsInitialized(
            com.google.cloud.tasks.v2beta3.Queue.class,
            com.google.cloud.tasks.v2beta3.Queue.Builder.class);
  }

  /**
   *
   *
   * <pre>
   * State of the queue.
   * </pre>
   *
   * Protobuf enum {@code google.cloud.tasks.v2beta3.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.
     * </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.
     * To permanently delete this queue and all of its tasks, call
     * [DeleteQueue][google.cloud.tasks.v2beta3.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.
     * </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.
     * To permanently delete this queue and all of its tasks, call
     * [DeleteQueue][google.cloud.tasks.v2beta3.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.v2beta3.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.v2beta3.Queue.State)
  }

  private int queueTypeCase_ = 0;
  private java.lang.Object queueType_;

  public enum QueueTypeCase implements com.google.protobuf.Internal.EnumLite {
    APP_ENGINE_HTTP_QUEUE(3),
    QUEUETYPE_NOT_SET(0);
    private final int value;

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

    public static QueueTypeCase forNumber(int value) {
      switch (value) {
        case 3:
          return APP_ENGINE_HTTP_QUEUE;
        case 0:
          return QUEUETYPE_NOT_SET;
        default:
          return null;
      }
    }

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

  public QueueTypeCase getQueueTypeCase() {
    return QueueTypeCase.forNumber(queueTypeCase_);
  }

  public static final int NAME_FIELD_NUMBER = 1;
  private volatile java.lang.Object name_;
  /**
   *
   *
   * <pre>
   * Caller-specified and required in [CreateQueue][google.cloud.tasks.v2beta3.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.v2beta3.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_QUEUE_FIELD_NUMBER = 3;
  /**
   *
   *
   * <pre>
   * [AppEngineHttpQueue][google.cloud.tasks.v2beta3.AppEngineHttpQueue] settings apply only to
   * [App Engine tasks][google.cloud.tasks.v2beta3.AppEngineHttpRequest] in this queue.
   * [Http tasks][google.cloud.tasks.v2beta3.HttpRequest] are not affected by this proto.
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta3.AppEngineHttpQueue app_engine_http_queue = 3;</code>
   */
  public boolean hasAppEngineHttpQueue() {
    return queueTypeCase_ == 3;
  }
  /**
   *
   *
   * <pre>
   * [AppEngineHttpQueue][google.cloud.tasks.v2beta3.AppEngineHttpQueue] settings apply only to
   * [App Engine tasks][google.cloud.tasks.v2beta3.AppEngineHttpRequest] in this queue.
   * [Http tasks][google.cloud.tasks.v2beta3.HttpRequest] are not affected by this proto.
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta3.AppEngineHttpQueue app_engine_http_queue = 3;</code>
   */
  public com.google.cloud.tasks.v2beta3.AppEngineHttpQueue getAppEngineHttpQueue() {
    if (queueTypeCase_ == 3) {
      return (com.google.cloud.tasks.v2beta3.AppEngineHttpQueue) queueType_;
    }
    return com.google.cloud.tasks.v2beta3.AppEngineHttpQueue.getDefaultInstance();
  }
  /**
   *
   *
   * <pre>
   * [AppEngineHttpQueue][google.cloud.tasks.v2beta3.AppEngineHttpQueue] settings apply only to
   * [App Engine tasks][google.cloud.tasks.v2beta3.AppEngineHttpRequest] in this queue.
   * [Http tasks][google.cloud.tasks.v2beta3.HttpRequest] are not affected by this proto.
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta3.AppEngineHttpQueue app_engine_http_queue = 3;</code>
   */
  public com.google.cloud.tasks.v2beta3.AppEngineHttpQueueOrBuilder
      getAppEngineHttpQueueOrBuilder() {
    if (queueTypeCase_ == 3) {
      return (com.google.cloud.tasks.v2beta3.AppEngineHttpQueue) queueType_;
    }
    return com.google.cloud.tasks.v2beta3.AppEngineHttpQueue.getDefaultInstance();
  }

  public static final int RATE_LIMITS_FIELD_NUMBER = 4;
  private com.google.cloud.tasks.v2beta3.RateLimits rateLimits_;
  /**
   *
   *
   * <pre>
   * Rate limits for task dispatches.
   * [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits] and [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] are
   * related because they both control task attempts. However they control task
   * attempts in different ways:
   * * [rate_limits][google.cloud.tasks.v2beta3.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.v2beta3.Queue.retry_config] controls what happens to
   *   particular a task after its first attempt fails. That is,
   *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] controls task retries (the
   *   second attempt, third attempt, etc).
   * The queue's actual dispatch rate is the result of:
   * * Number of tasks in the queue
   * * User-specified throttling: [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits],
   *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config], and the
   *   [queue's state][google.cloud.tasks.v2beta3.Queue.state].
   * * System throttling due to `429` (Too Many Requests) or `503` (Service
   *   Unavailable) responses from the worker, high error rates, or to smooth
   *   sudden large traffic spikes.
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta3.RateLimits rate_limits = 4;</code>
   */
  public boolean hasRateLimits() {
    return rateLimits_ != null;
  }
  /**
   *
   *
   * <pre>
   * Rate limits for task dispatches.
   * [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits] and [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] are
   * related because they both control task attempts. However they control task
   * attempts in different ways:
   * * [rate_limits][google.cloud.tasks.v2beta3.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.v2beta3.Queue.retry_config] controls what happens to
   *   particular a task after its first attempt fails. That is,
   *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] controls task retries (the
   *   second attempt, third attempt, etc).
   * The queue's actual dispatch rate is the result of:
   * * Number of tasks in the queue
   * * User-specified throttling: [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits],
   *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config], and the
   *   [queue's state][google.cloud.tasks.v2beta3.Queue.state].
   * * System throttling due to `429` (Too Many Requests) or `503` (Service
   *   Unavailable) responses from the worker, high error rates, or to smooth
   *   sudden large traffic spikes.
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta3.RateLimits rate_limits = 4;</code>
   */
  public com.google.cloud.tasks.v2beta3.RateLimits getRateLimits() {
    return rateLimits_ == null
        ? com.google.cloud.tasks.v2beta3.RateLimits.getDefaultInstance()
        : rateLimits_;
  }
  /**
   *
   *
   * <pre>
   * Rate limits for task dispatches.
   * [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits] and [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] are
   * related because they both control task attempts. However they control task
   * attempts in different ways:
   * * [rate_limits][google.cloud.tasks.v2beta3.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.v2beta3.Queue.retry_config] controls what happens to
   *   particular a task after its first attempt fails. That is,
   *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] controls task retries (the
   *   second attempt, third attempt, etc).
   * The queue's actual dispatch rate is the result of:
   * * Number of tasks in the queue
   * * User-specified throttling: [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits],
   *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config], and the
   *   [queue's state][google.cloud.tasks.v2beta3.Queue.state].
   * * System throttling due to `429` (Too Many Requests) or `503` (Service
   *   Unavailable) responses from the worker, high error rates, or to smooth
   *   sudden large traffic spikes.
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta3.RateLimits rate_limits = 4;</code>
   */
  public com.google.cloud.tasks.v2beta3.RateLimitsOrBuilder getRateLimitsOrBuilder() {
    return getRateLimits();
  }

  public static final int RETRY_CONFIG_FIELD_NUMBER = 5;
  private com.google.cloud.tasks.v2beta3.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.v2beta3.RetryConfig retry_config = 5;</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.v2beta3.RetryConfig retry_config = 5;</code>
   */
  public com.google.cloud.tasks.v2beta3.RetryConfig getRetryConfig() {
    return retryConfig_ == null
        ? com.google.cloud.tasks.v2beta3.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.v2beta3.RetryConfig retry_config = 5;</code>
   */
  public com.google.cloud.tasks.v2beta3.RetryConfigOrBuilder getRetryConfigOrBuilder() {
    return getRetryConfig();
  }

  public static final int STATE_FIELD_NUMBER = 6;
  private int state_;
  /**
   *
   *
   * <pre>
   * Output only. The state of the queue.
   * `state` can only be changed by called
   * [PauseQueue][google.cloud.tasks.v2beta3.CloudTasks.PauseQueue],
   * [ResumeQueue][google.cloud.tasks.v2beta3.CloudTasks.ResumeQueue], or uploading
   * [queue.yaml/xml](https://cloud.google.com/appengine/docs/python/config/queueref).
   * [UpdateQueue][google.cloud.tasks.v2beta3.CloudTasks.UpdateQueue] cannot be used to change `state`.
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta3.Queue.State state = 6;</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.v2beta3.CloudTasks.PauseQueue],
   * [ResumeQueue][google.cloud.tasks.v2beta3.CloudTasks.ResumeQueue], or uploading
   * [queue.yaml/xml](https://cloud.google.com/appengine/docs/python/config/queueref).
   * [UpdateQueue][google.cloud.tasks.v2beta3.CloudTasks.UpdateQueue] cannot be used to change `state`.
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta3.Queue.State state = 6;</code>
   */
  public com.google.cloud.tasks.v2beta3.Queue.State getState() {
    @SuppressWarnings("deprecation")
    com.google.cloud.tasks.v2beta3.Queue.State result =
        com.google.cloud.tasks.v2beta3.Queue.State.valueOf(state_);
    return result == null ? com.google.cloud.tasks.v2beta3.Queue.State.UNRECOGNIZED : result;
  }

  public static final int PURGE_TIME_FIELD_NUMBER = 7;
  private com.google.protobuf.Timestamp purgeTime_;
  /**
   *
   *
   * <pre>
   * Output only. The last time this queue was purged.
   * All tasks that were [created][google.cloud.tasks.v2beta3.Task.create_time] before this time
   * were purged.
   * A queue can be purged using [PurgeQueue][google.cloud.tasks.v2beta3.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 = 7;</code>
   */
  public boolean hasPurgeTime() {
    return purgeTime_ != null;
  }
  /**
   *
   *
   * <pre>
   * Output only. The last time this queue was purged.
   * All tasks that were [created][google.cloud.tasks.v2beta3.Task.create_time] before this time
   * were purged.
   * A queue can be purged using [PurgeQueue][google.cloud.tasks.v2beta3.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 = 7;</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.v2beta3.Task.create_time] before this time
   * were purged.
   * A queue can be purged using [PurgeQueue][google.cloud.tasks.v2beta3.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 = 7;</code>
   */
  public com.google.protobuf.TimestampOrBuilder getPurgeTimeOrBuilder() {
    return getPurgeTime();
  }

  public static final int STACKDRIVER_LOGGING_CONFIG_FIELD_NUMBER = 10;
  private com.google.cloud.tasks.v2beta3.StackdriverLoggingConfig stackdriverLoggingConfig_;
  /**
   *
   *
   * <pre>
   * Configuration options for writing logs to
   * [Stackdriver Logging](https://cloud.google.com/logging/docs/). If this
   * field is unset, then no logs are written.
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta3.StackdriverLoggingConfig stackdriver_logging_config = 10;
   * </code>
   */
  public boolean hasStackdriverLoggingConfig() {
    return stackdriverLoggingConfig_ != null;
  }
  /**
   *
   *
   * <pre>
   * Configuration options for writing logs to
   * [Stackdriver Logging](https://cloud.google.com/logging/docs/). If this
   * field is unset, then no logs are written.
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta3.StackdriverLoggingConfig stackdriver_logging_config = 10;
   * </code>
   */
  public com.google.cloud.tasks.v2beta3.StackdriverLoggingConfig getStackdriverLoggingConfig() {
    return stackdriverLoggingConfig_ == null
        ? com.google.cloud.tasks.v2beta3.StackdriverLoggingConfig.getDefaultInstance()
        : stackdriverLoggingConfig_;
  }
  /**
   *
   *
   * <pre>
   * Configuration options for writing logs to
   * [Stackdriver Logging](https://cloud.google.com/logging/docs/). If this
   * field is unset, then no logs are written.
   * </pre>
   *
   * <code>.google.cloud.tasks.v2beta3.StackdriverLoggingConfig stackdriver_logging_config = 10;
   * </code>
   */
  public com.google.cloud.tasks.v2beta3.StackdriverLoggingConfigOrBuilder
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   * how those tasks are dispatched. Configurable properties include rate limits,
   * retry options, queue types, and others.
   * </pre>
   *
   * Protobuf type {@code google.cloud.tasks.v2beta3.Queue}
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    public Builder clearQueueType() {
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    /**
     *
     *
     * <pre>
     * Caller-specified and required in [CreateQueue][google.cloud.tasks.v2beta3.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)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        name_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Caller-specified and required in [CreateQueue][google.cloud.tasks.v2beta3.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 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.v2beta3.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.v2beta3.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.v2beta3.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.v2beta3.AppEngineHttpQueue,
            com.google.cloud.tasks.v2beta3.AppEngineHttpQueue.Builder,
            com.google.cloud.tasks.v2beta3.AppEngineHttpQueueOrBuilder>
        appEngineHttpQueueBuilder_;
    /**
     *
     *
     * <pre>
     * [AppEngineHttpQueue][google.cloud.tasks.v2beta3.AppEngineHttpQueue] settings apply only to
     * [App Engine tasks][google.cloud.tasks.v2beta3.AppEngineHttpRequest] in this queue.
     * [Http tasks][google.cloud.tasks.v2beta3.HttpRequest] are not affected by this proto.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.AppEngineHttpQueue app_engine_http_queue = 3;</code>
     */
    public boolean hasAppEngineHttpQueue() {
      return queueTypeCase_ == 3;
    }
    /**
     *
     *
     * <pre>
     * [AppEngineHttpQueue][google.cloud.tasks.v2beta3.AppEngineHttpQueue] settings apply only to
     * [App Engine tasks][google.cloud.tasks.v2beta3.AppEngineHttpRequest] in this queue.
     * [Http tasks][google.cloud.tasks.v2beta3.HttpRequest] are not affected by this proto.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.AppEngineHttpQueue app_engine_http_queue = 3;</code>
     */
    public com.google.cloud.tasks.v2beta3.AppEngineHttpQueue getAppEngineHttpQueue() {
      if (appEngineHttpQueueBuilder_ == null) {
        if (queueTypeCase_ == 3) {
          return (com.google.cloud.tasks.v2beta3.AppEngineHttpQueue) queueType_;
        }
        return com.google.cloud.tasks.v2beta3.AppEngineHttpQueue.getDefaultInstance();
      } else {
        if (queueTypeCase_ == 3) {
          return appEngineHttpQueueBuilder_.getMessage();
        }
        return com.google.cloud.tasks.v2beta3.AppEngineHttpQueue.getDefaultInstance();
      }
    }
    /**
     *
     *
     * <pre>
     * [AppEngineHttpQueue][google.cloud.tasks.v2beta3.AppEngineHttpQueue] settings apply only to
     * [App Engine tasks][google.cloud.tasks.v2beta3.AppEngineHttpRequest] in this queue.
     * [Http tasks][google.cloud.tasks.v2beta3.HttpRequest] are not affected by this proto.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.AppEngineHttpQueue app_engine_http_queue = 3;</code>
     */
    public Builder setAppEngineHttpQueue(com.google.cloud.tasks.v2beta3.AppEngineHttpQueue value) {
      if (appEngineHttpQueueBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        queueType_ = value;
        onChanged();
      } else {
        appEngineHttpQueueBuilder_.setMessage(value);
      }
      queueTypeCase_ = 3;
      return this;
    }
    /**
     *
     *
     * <pre>
     * [AppEngineHttpQueue][google.cloud.tasks.v2beta3.AppEngineHttpQueue] settings apply only to
     * [App Engine tasks][google.cloud.tasks.v2beta3.AppEngineHttpRequest] in this queue.
     * [Http tasks][google.cloud.tasks.v2beta3.HttpRequest] are not affected by this proto.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.AppEngineHttpQueue app_engine_http_queue = 3;</code>
     */
    public Builder setAppEngineHttpQueue(
        com.google.cloud.tasks.v2beta3.AppEngineHttpQueue.Builder builderForValue) {
      if (appEngineHttpQueueBuilder_ == null) {
        queueType_ = builderForValue.build();
        onChanged();
      } else {
        appEngineHttpQueueBuilder_.setMessage(builderForValue.build());
      }
      queueTypeCase_ = 3;
      return this;
    }
    /**
     *
     *
     * <pre>
     * [AppEngineHttpQueue][google.cloud.tasks.v2beta3.AppEngineHttpQueue] settings apply only to
     * [App Engine tasks][google.cloud.tasks.v2beta3.AppEngineHttpRequest] in this queue.
     * [Http tasks][google.cloud.tasks.v2beta3.HttpRequest] are not affected by this proto.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.AppEngineHttpQueue app_engine_http_queue = 3;</code>
     */
    public Builder mergeAppEngineHttpQueue(
        com.google.cloud.tasks.v2beta3.AppEngineHttpQueue value) {
      if (appEngineHttpQueueBuilder_ == null) {
        if (queueTypeCase_ == 3
            && queueType_
                != com.google.cloud.tasks.v2beta3.AppEngineHttpQueue.getDefaultInstance()) {
          queueType_ =
              com.google.cloud.tasks.v2beta3.AppEngineHttpQueue.newBuilder(
                      (com.google.cloud.tasks.v2beta3.AppEngineHttpQueue) queueType_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          queueType_ = value;
        }
        onChanged();
      } else {
        if (queueTypeCase_ == 3) {
          appEngineHttpQueueBuilder_.mergeFrom(value);
        }
        appEngineHttpQueueBuilder_.setMessage(value);
      }
      queueTypeCase_ = 3;
      return this;
    }
    /**
     *
     *
     * <pre>
     * [AppEngineHttpQueue][google.cloud.tasks.v2beta3.AppEngineHttpQueue] settings apply only to
     * [App Engine tasks][google.cloud.tasks.v2beta3.AppEngineHttpRequest] in this queue.
     * [Http tasks][google.cloud.tasks.v2beta3.HttpRequest] are not affected by this proto.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.AppEngineHttpQueue app_engine_http_queue = 3;</code>
     */
    public Builder clearAppEngineHttpQueue() {
      if (appEngineHttpQueueBuilder_ == null) {
        if (queueTypeCase_ == 3) {
          queueTypeCase_ = 0;
          queueType_ = null;
          onChanged();
        }
      } else {
        if (queueTypeCase_ == 3) {
          queueTypeCase_ = 0;
          queueType_ = null;
        }
        appEngineHttpQueueBuilder_.clear();
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * [AppEngineHttpQueue][google.cloud.tasks.v2beta3.AppEngineHttpQueue] settings apply only to
     * [App Engine tasks][google.cloud.tasks.v2beta3.AppEngineHttpRequest] in this queue.
     * [Http tasks][google.cloud.tasks.v2beta3.HttpRequest] are not affected by this proto.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.AppEngineHttpQueue app_engine_http_queue = 3;</code>
     */
    public com.google.cloud.tasks.v2beta3.AppEngineHttpQueue.Builder
        getAppEngineHttpQueueBuilder() {
      return getAppEngineHttpQueueFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * [AppEngineHttpQueue][google.cloud.tasks.v2beta3.AppEngineHttpQueue] settings apply only to
     * [App Engine tasks][google.cloud.tasks.v2beta3.AppEngineHttpRequest] in this queue.
     * [Http tasks][google.cloud.tasks.v2beta3.HttpRequest] are not affected by this proto.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.AppEngineHttpQueue app_engine_http_queue = 3;</code>
     */
    public com.google.cloud.tasks.v2beta3.AppEngineHttpQueueOrBuilder
        getAppEngineHttpQueueOrBuilder() {
      if ((queueTypeCase_ == 3) && (appEngineHttpQueueBuilder_ != null)) {
        return appEngineHttpQueueBuilder_.getMessageOrBuilder();
      } else {
        if (queueTypeCase_ == 3) {
          return (com.google.cloud.tasks.v2beta3.AppEngineHttpQueue) queueType_;
        }
        return com.google.cloud.tasks.v2beta3.AppEngineHttpQueue.getDefaultInstance();
      }
    }
    /**
     *
     *
     * <pre>
     * [AppEngineHttpQueue][google.cloud.tasks.v2beta3.AppEngineHttpQueue] settings apply only to
     * [App Engine tasks][google.cloud.tasks.v2beta3.AppEngineHttpRequest] in this queue.
     * [Http tasks][google.cloud.tasks.v2beta3.HttpRequest] are not affected by this proto.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.AppEngineHttpQueue app_engine_http_queue = 3;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.tasks.v2beta3.AppEngineHttpQueue,
            com.google.cloud.tasks.v2beta3.AppEngineHttpQueue.Builder,
            com.google.cloud.tasks.v2beta3.AppEngineHttpQueueOrBuilder>
        getAppEngineHttpQueueFieldBuilder() {
      if (appEngineHttpQueueBuilder_ == null) {
        if (!(queueTypeCase_ == 3)) {
          queueType_ = com.google.cloud.tasks.v2beta3.AppEngineHttpQueue.getDefaultInstance();
        }
        appEngineHttpQueueBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.tasks.v2beta3.AppEngineHttpQueue,
                com.google.cloud.tasks.v2beta3.AppEngineHttpQueue.Builder,
                com.google.cloud.tasks.v2beta3.AppEngineHttpQueueOrBuilder>(
                (com.google.cloud.tasks.v2beta3.AppEngineHttpQueue) queueType_,
                getParentForChildren(),
                isClean());
        queueType_ = null;
      }
      queueTypeCase_ = 3;
      onChanged();
      ;
      return appEngineHttpQueueBuilder_;
    }

    private com.google.cloud.tasks.v2beta3.RateLimits rateLimits_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.tasks.v2beta3.RateLimits,
            com.google.cloud.tasks.v2beta3.RateLimits.Builder,
            com.google.cloud.tasks.v2beta3.RateLimitsOrBuilder>
        rateLimitsBuilder_;
    /**
     *
     *
     * <pre>
     * Rate limits for task dispatches.
     * [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits] and [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] are
     * related because they both control task attempts. However they control task
     * attempts in different ways:
     * * [rate_limits][google.cloud.tasks.v2beta3.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.v2beta3.Queue.retry_config] controls what happens to
     *   particular a task after its first attempt fails. That is,
     *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] controls task retries (the
     *   second attempt, third attempt, etc).
     * The queue's actual dispatch rate is the result of:
     * * Number of tasks in the queue
     * * User-specified throttling: [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits],
     *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config], and the
     *   [queue's state][google.cloud.tasks.v2beta3.Queue.state].
     * * System throttling due to `429` (Too Many Requests) or `503` (Service
     *   Unavailable) responses from the worker, high error rates, or to smooth
     *   sudden large traffic spikes.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.RateLimits rate_limits = 4;</code>
     */
    public boolean hasRateLimits() {
      return rateLimitsBuilder_ != null || rateLimits_ != null;
    }
    /**
     *
     *
     * <pre>
     * Rate limits for task dispatches.
     * [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits] and [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] are
     * related because they both control task attempts. However they control task
     * attempts in different ways:
     * * [rate_limits][google.cloud.tasks.v2beta3.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.v2beta3.Queue.retry_config] controls what happens to
     *   particular a task after its first attempt fails. That is,
     *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] controls task retries (the
     *   second attempt, third attempt, etc).
     * The queue's actual dispatch rate is the result of:
     * * Number of tasks in the queue
     * * User-specified throttling: [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits],
     *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config], and the
     *   [queue's state][google.cloud.tasks.v2beta3.Queue.state].
     * * System throttling due to `429` (Too Many Requests) or `503` (Service
     *   Unavailable) responses from the worker, high error rates, or to smooth
     *   sudden large traffic spikes.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.RateLimits rate_limits = 4;</code>
     */
    public com.google.cloud.tasks.v2beta3.RateLimits getRateLimits() {
      if (rateLimitsBuilder_ == null) {
        return rateLimits_ == null
            ? com.google.cloud.tasks.v2beta3.RateLimits.getDefaultInstance()
            : rateLimits_;
      } else {
        return rateLimitsBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * Rate limits for task dispatches.
     * [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits] and [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] are
     * related because they both control task attempts. However they control task
     * attempts in different ways:
     * * [rate_limits][google.cloud.tasks.v2beta3.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.v2beta3.Queue.retry_config] controls what happens to
     *   particular a task after its first attempt fails. That is,
     *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] controls task retries (the
     *   second attempt, third attempt, etc).
     * The queue's actual dispatch rate is the result of:
     * * Number of tasks in the queue
     * * User-specified throttling: [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits],
     *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config], and the
     *   [queue's state][google.cloud.tasks.v2beta3.Queue.state].
     * * System throttling due to `429` (Too Many Requests) or `503` (Service
     *   Unavailable) responses from the worker, high error rates, or to smooth
     *   sudden large traffic spikes.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.RateLimits rate_limits = 4;</code>
     */
    public Builder setRateLimits(com.google.cloud.tasks.v2beta3.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.v2beta3.Queue.rate_limits] and [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] are
     * related because they both control task attempts. However they control task
     * attempts in different ways:
     * * [rate_limits][google.cloud.tasks.v2beta3.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.v2beta3.Queue.retry_config] controls what happens to
     *   particular a task after its first attempt fails. That is,
     *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] controls task retries (the
     *   second attempt, third attempt, etc).
     * The queue's actual dispatch rate is the result of:
     * * Number of tasks in the queue
     * * User-specified throttling: [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits],
     *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config], and the
     *   [queue's state][google.cloud.tasks.v2beta3.Queue.state].
     * * System throttling due to `429` (Too Many Requests) or `503` (Service
     *   Unavailable) responses from the worker, high error rates, or to smooth
     *   sudden large traffic spikes.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.RateLimits rate_limits = 4;</code>
     */
    public Builder setRateLimits(
        com.google.cloud.tasks.v2beta3.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.v2beta3.Queue.rate_limits] and [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] are
     * related because they both control task attempts. However they control task
     * attempts in different ways:
     * * [rate_limits][google.cloud.tasks.v2beta3.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.v2beta3.Queue.retry_config] controls what happens to
     *   particular a task after its first attempt fails. That is,
     *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] controls task retries (the
     *   second attempt, third attempt, etc).
     * The queue's actual dispatch rate is the result of:
     * * Number of tasks in the queue
     * * User-specified throttling: [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits],
     *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config], and the
     *   [queue's state][google.cloud.tasks.v2beta3.Queue.state].
     * * System throttling due to `429` (Too Many Requests) or `503` (Service
     *   Unavailable) responses from the worker, high error rates, or to smooth
     *   sudden large traffic spikes.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.RateLimits rate_limits = 4;</code>
     */
    public Builder mergeRateLimits(com.google.cloud.tasks.v2beta3.RateLimits value) {
      if (rateLimitsBuilder_ == null) {
        if (rateLimits_ != null) {
          rateLimits_ =
              com.google.cloud.tasks.v2beta3.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.v2beta3.Queue.rate_limits] and [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] are
     * related because they both control task attempts. However they control task
     * attempts in different ways:
     * * [rate_limits][google.cloud.tasks.v2beta3.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.v2beta3.Queue.retry_config] controls what happens to
     *   particular a task after its first attempt fails. That is,
     *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] controls task retries (the
     *   second attempt, third attempt, etc).
     * The queue's actual dispatch rate is the result of:
     * * Number of tasks in the queue
     * * User-specified throttling: [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits],
     *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config], and the
     *   [queue's state][google.cloud.tasks.v2beta3.Queue.state].
     * * System throttling due to `429` (Too Many Requests) or `503` (Service
     *   Unavailable) responses from the worker, high error rates, or to smooth
     *   sudden large traffic spikes.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.RateLimits rate_limits = 4;</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.v2beta3.Queue.rate_limits] and [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] are
     * related because they both control task attempts. However they control task
     * attempts in different ways:
     * * [rate_limits][google.cloud.tasks.v2beta3.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.v2beta3.Queue.retry_config] controls what happens to
     *   particular a task after its first attempt fails. That is,
     *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] controls task retries (the
     *   second attempt, third attempt, etc).
     * The queue's actual dispatch rate is the result of:
     * * Number of tasks in the queue
     * * User-specified throttling: [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits],
     *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config], and the
     *   [queue's state][google.cloud.tasks.v2beta3.Queue.state].
     * * System throttling due to `429` (Too Many Requests) or `503` (Service
     *   Unavailable) responses from the worker, high error rates, or to smooth
     *   sudden large traffic spikes.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.RateLimits rate_limits = 4;</code>
     */
    public com.google.cloud.tasks.v2beta3.RateLimits.Builder getRateLimitsBuilder() {

      onChanged();
      return getRateLimitsFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * Rate limits for task dispatches.
     * [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits] and [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] are
     * related because they both control task attempts. However they control task
     * attempts in different ways:
     * * [rate_limits][google.cloud.tasks.v2beta3.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.v2beta3.Queue.retry_config] controls what happens to
     *   particular a task after its first attempt fails. That is,
     *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] controls task retries (the
     *   second attempt, third attempt, etc).
     * The queue's actual dispatch rate is the result of:
     * * Number of tasks in the queue
     * * User-specified throttling: [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits],
     *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config], and the
     *   [queue's state][google.cloud.tasks.v2beta3.Queue.state].
     * * System throttling due to `429` (Too Many Requests) or `503` (Service
     *   Unavailable) responses from the worker, high error rates, or to smooth
     *   sudden large traffic spikes.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.RateLimits rate_limits = 4;</code>
     */
    public com.google.cloud.tasks.v2beta3.RateLimitsOrBuilder getRateLimitsOrBuilder() {
      if (rateLimitsBuilder_ != null) {
        return rateLimitsBuilder_.getMessageOrBuilder();
      } else {
        return rateLimits_ == null
            ? com.google.cloud.tasks.v2beta3.RateLimits.getDefaultInstance()
            : rateLimits_;
      }
    }
    /**
     *
     *
     * <pre>
     * Rate limits for task dispatches.
     * [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits] and [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] are
     * related because they both control task attempts. However they control task
     * attempts in different ways:
     * * [rate_limits][google.cloud.tasks.v2beta3.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.v2beta3.Queue.retry_config] controls what happens to
     *   particular a task after its first attempt fails. That is,
     *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config] controls task retries (the
     *   second attempt, third attempt, etc).
     * The queue's actual dispatch rate is the result of:
     * * Number of tasks in the queue
     * * User-specified throttling: [rate_limits][google.cloud.tasks.v2beta3.Queue.rate_limits],
     *   [retry_config][google.cloud.tasks.v2beta3.Queue.retry_config], and the
     *   [queue's state][google.cloud.tasks.v2beta3.Queue.state].
     * * System throttling due to `429` (Too Many Requests) or `503` (Service
     *   Unavailable) responses from the worker, high error rates, or to smooth
     *   sudden large traffic spikes.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.RateLimits rate_limits = 4;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.tasks.v2beta3.RateLimits,
            com.google.cloud.tasks.v2beta3.RateLimits.Builder,
            com.google.cloud.tasks.v2beta3.RateLimitsOrBuilder>
        getRateLimitsFieldBuilder() {
      if (rateLimitsBuilder_ == null) {
        rateLimitsBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.tasks.v2beta3.RateLimits,
                com.google.cloud.tasks.v2beta3.RateLimits.Builder,
                com.google.cloud.tasks.v2beta3.RateLimitsOrBuilder>(
                getRateLimits(), getParentForChildren(), isClean());
        rateLimits_ = null;
      }
      return rateLimitsBuilder_;
    }

    private com.google.cloud.tasks.v2beta3.RetryConfig retryConfig_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.tasks.v2beta3.RetryConfig,
            com.google.cloud.tasks.v2beta3.RetryConfig.Builder,
            com.google.cloud.tasks.v2beta3.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.v2beta3.RetryConfig retry_config = 5;</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.v2beta3.RetryConfig retry_config = 5;</code>
     */
    public com.google.cloud.tasks.v2beta3.RetryConfig getRetryConfig() {
      if (retryConfigBuilder_ == null) {
        return retryConfig_ == null
            ? com.google.cloud.tasks.v2beta3.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.v2beta3.RetryConfig retry_config = 5;</code>
     */
    public Builder setRetryConfig(com.google.cloud.tasks.v2beta3.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.v2beta3.RetryConfig retry_config = 5;</code>
     */
    public Builder setRetryConfig(
        com.google.cloud.tasks.v2beta3.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.v2beta3.RetryConfig retry_config = 5;</code>
     */
    public Builder mergeRetryConfig(com.google.cloud.tasks.v2beta3.RetryConfig value) {
      if (retryConfigBuilder_ == null) {
        if (retryConfig_ != null) {
          retryConfig_ =
              com.google.cloud.tasks.v2beta3.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.v2beta3.RetryConfig retry_config = 5;</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.v2beta3.RetryConfig retry_config = 5;</code>
     */
    public com.google.cloud.tasks.v2beta3.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.v2beta3.RetryConfig retry_config = 5;</code>
     */
    public com.google.cloud.tasks.v2beta3.RetryConfigOrBuilder getRetryConfigOrBuilder() {
      if (retryConfigBuilder_ != null) {
        return retryConfigBuilder_.getMessageOrBuilder();
      } else {
        return retryConfig_ == null
            ? com.google.cloud.tasks.v2beta3.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.v2beta3.RetryConfig retry_config = 5;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.tasks.v2beta3.RetryConfig,
            com.google.cloud.tasks.v2beta3.RetryConfig.Builder,
            com.google.cloud.tasks.v2beta3.RetryConfigOrBuilder>
        getRetryConfigFieldBuilder() {
      if (retryConfigBuilder_ == null) {
        retryConfigBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.tasks.v2beta3.RetryConfig,
                com.google.cloud.tasks.v2beta3.RetryConfig.Builder,
                com.google.cloud.tasks.v2beta3.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.v2beta3.CloudTasks.PauseQueue],
     * [ResumeQueue][google.cloud.tasks.v2beta3.CloudTasks.ResumeQueue], or uploading
     * [queue.yaml/xml](https://cloud.google.com/appengine/docs/python/config/queueref).
     * [UpdateQueue][google.cloud.tasks.v2beta3.CloudTasks.UpdateQueue] cannot be used to change `state`.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.Queue.State state = 6;</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.v2beta3.CloudTasks.PauseQueue],
     * [ResumeQueue][google.cloud.tasks.v2beta3.CloudTasks.ResumeQueue], or uploading
     * [queue.yaml/xml](https://cloud.google.com/appengine/docs/python/config/queueref).
     * [UpdateQueue][google.cloud.tasks.v2beta3.CloudTasks.UpdateQueue] cannot be used to change `state`.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.Queue.State state = 6;</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.v2beta3.CloudTasks.PauseQueue],
     * [ResumeQueue][google.cloud.tasks.v2beta3.CloudTasks.ResumeQueue], or uploading
     * [queue.yaml/xml](https://cloud.google.com/appengine/docs/python/config/queueref).
     * [UpdateQueue][google.cloud.tasks.v2beta3.CloudTasks.UpdateQueue] cannot be used to change `state`.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.Queue.State state = 6;</code>
     */
    public com.google.cloud.tasks.v2beta3.Queue.State getState() {
      @SuppressWarnings("deprecation")
      com.google.cloud.tasks.v2beta3.Queue.State result =
          com.google.cloud.tasks.v2beta3.Queue.State.valueOf(state_);
      return result == null ? com.google.cloud.tasks.v2beta3.Queue.State.UNRECOGNIZED : result;
    }
    /**
     *
     *
     * <pre>
     * Output only. The state of the queue.
     * `state` can only be changed by called
     * [PauseQueue][google.cloud.tasks.v2beta3.CloudTasks.PauseQueue],
     * [ResumeQueue][google.cloud.tasks.v2beta3.CloudTasks.ResumeQueue], or uploading
     * [queue.yaml/xml](https://cloud.google.com/appengine/docs/python/config/queueref).
     * [UpdateQueue][google.cloud.tasks.v2beta3.CloudTasks.UpdateQueue] cannot be used to change `state`.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.Queue.State state = 6;</code>
     */
    public Builder setState(com.google.cloud.tasks.v2beta3.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.v2beta3.CloudTasks.PauseQueue],
     * [ResumeQueue][google.cloud.tasks.v2beta3.CloudTasks.ResumeQueue], or uploading
     * [queue.yaml/xml](https://cloud.google.com/appengine/docs/python/config/queueref).
     * [UpdateQueue][google.cloud.tasks.v2beta3.CloudTasks.UpdateQueue] cannot be used to change `state`.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.Queue.State state = 6;</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.v2beta3.Task.create_time] before this time
     * were purged.
     * A queue can be purged using [PurgeQueue][google.cloud.tasks.v2beta3.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 = 7;</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.v2beta3.Task.create_time] before this time
     * were purged.
     * A queue can be purged using [PurgeQueue][google.cloud.tasks.v2beta3.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 = 7;</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.v2beta3.Task.create_time] before this time
     * were purged.
     * A queue can be purged using [PurgeQueue][google.cloud.tasks.v2beta3.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 = 7;</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.v2beta3.Task.create_time] before this time
     * were purged.
     * A queue can be purged using [PurgeQueue][google.cloud.tasks.v2beta3.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 = 7;</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.v2beta3.Task.create_time] before this time
     * were purged.
     * A queue can be purged using [PurgeQueue][google.cloud.tasks.v2beta3.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 = 7;</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.v2beta3.Task.create_time] before this time
     * were purged.
     * A queue can be purged using [PurgeQueue][google.cloud.tasks.v2beta3.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 = 7;</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.v2beta3.Task.create_time] before this time
     * were purged.
     * A queue can be purged using [PurgeQueue][google.cloud.tasks.v2beta3.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 = 7;</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.v2beta3.Task.create_time] before this time
     * were purged.
     * A queue can be purged using [PurgeQueue][google.cloud.tasks.v2beta3.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 = 7;</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.v2beta3.Task.create_time] before this time
     * were purged.
     * A queue can be purged using [PurgeQueue][google.cloud.tasks.v2beta3.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 = 7;</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_;
    }

    private com.google.cloud.tasks.v2beta3.StackdriverLoggingConfig stackdriverLoggingConfig_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.tasks.v2beta3.StackdriverLoggingConfig,
            com.google.cloud.tasks.v2beta3.StackdriverLoggingConfig.Builder,
            com.google.cloud.tasks.v2beta3.StackdriverLoggingConfigOrBuilder>
        stackdriverLoggingConfigBuilder_;
    /**
     *
     *
     * <pre>
     * Configuration options for writing logs to
     * [Stackdriver Logging](https://cloud.google.com/logging/docs/). If this
     * field is unset, then no logs are written.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.StackdriverLoggingConfig stackdriver_logging_config = 10;
     * </code>
     */
    public boolean hasStackdriverLoggingConfig() {
      return stackdriverLoggingConfigBuilder_ != null || stackdriverLoggingConfig_ != null;
    }
    /**
     *
     *
     * <pre>
     * Configuration options for writing logs to
     * [Stackdriver Logging](https://cloud.google.com/logging/docs/). If this
     * field is unset, then no logs are written.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.StackdriverLoggingConfig stackdriver_logging_config = 10;
     * </code>
     */
    public com.google.cloud.tasks.v2beta3.StackdriverLoggingConfig getStackdriverLoggingConfig() {
      if (stackdriverLoggingConfigBuilder_ == null) {
        return stackdriverLoggingConfig_ == null
            ? com.google.cloud.tasks.v2beta3.StackdriverLoggingConfig.getDefaultInstance()
            : stackdriverLoggingConfig_;
      } else {
        return stackdriverLoggingConfigBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * Configuration options for writing logs to
     * [Stackdriver Logging](https://cloud.google.com/logging/docs/). If this
     * field is unset, then no logs are written.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.StackdriverLoggingConfig stackdriver_logging_config = 10;
     * </code>
     */
    public Builder setStackdriverLoggingConfig(
        com.google.cloud.tasks.v2beta3.StackdriverLoggingConfig value) {
      if (stackdriverLoggingConfigBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        stackdriverLoggingConfig_ = value;
        onChanged();
      } else {
        stackdriverLoggingConfigBuilder_.setMessage(value);
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * Configuration options for writing logs to
     * [Stackdriver Logging](https://cloud.google.com/logging/docs/). If this
     * field is unset, then no logs are written.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.StackdriverLoggingConfig stackdriver_logging_config = 10;
     * </code>
     */
    public Builder setStackdriverLoggingConfig(
        com.google.cloud.tasks.v2beta3.StackdriverLoggingConfig.Builder builderForValue) {
      if (stackdriverLoggingConfigBuilder_ == null) {
        stackdriverLoggingConfig_ = builderForValue.build();
        onChanged();
      } else {
        stackdriverLoggingConfigBuilder_.setMessage(builderForValue.build());
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * Configuration options for writing logs to
     * [Stackdriver Logging](https://cloud.google.com/logging/docs/). If this
     * field is unset, then no logs are written.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.StackdriverLoggingConfig stackdriver_logging_config = 10;
     * </code>
     */
    public Builder mergeStackdriverLoggingConfig(
        com.google.cloud.tasks.v2beta3.StackdriverLoggingConfig value) {
      if (stackdriverLoggingConfigBuilder_ == null) {
        if (stackdriverLoggingConfig_ != null) {
          stackdriverLoggingConfig_ =
              com.google.cloud.tasks.v2beta3.StackdriverLoggingConfig.newBuilder(
                      stackdriverLoggingConfig_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          stackdriverLoggingConfig_ = value;
        }
        onChanged();
      } else {
        stackdriverLoggingConfigBuilder_.mergeFrom(value);
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * Configuration options for writing logs to
     * [Stackdriver Logging](https://cloud.google.com/logging/docs/). If this
     * field is unset, then no logs are written.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.StackdriverLoggingConfig stackdriver_logging_config = 10;
     * </code>
     */
    public Builder clearStackdriverLoggingConfig() {
      if (stackdriverLoggingConfigBuilder_ == null) {
        stackdriverLoggingConfig_ = null;
        onChanged();
      } else {
        stackdriverLoggingConfig_ = null;
        stackdriverLoggingConfigBuilder_ = null;
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * Configuration options for writing logs to
     * [Stackdriver Logging](https://cloud.google.com/logging/docs/). If this
     * field is unset, then no logs are written.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.StackdriverLoggingConfig stackdriver_logging_config = 10;
     * </code>
     */
    public com.google.cloud.tasks.v2beta3.StackdriverLoggingConfig.Builder
        getStackdriverLoggingConfigBuilder() {

      onChanged();
      return getStackdriverLoggingConfigFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * Configuration options for writing logs to
     * [Stackdriver Logging](https://cloud.google.com/logging/docs/). If this
     * field is unset, then no logs are written.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.StackdriverLoggingConfig stackdriver_logging_config = 10;
     * </code>
     */
    public com.google.cloud.tasks.v2beta3.StackdriverLoggingConfigOrBuilder
        getStackdriverLoggingConfigOrBuilder() {
      if (stackdriverLoggingConfigBuilder_ != null) {
        return stackdriverLoggingConfigBuilder_.getMessageOrBuilder();
      } else {
        return stackdriverLoggingConfig_ == null
            ? com.google.cloud.tasks.v2beta3.StackdriverLoggingConfig.getDefaultInstance()
            : stackdriverLoggingConfig_;
      }
    }
    /**
     *
     *
     * <pre>
     * Configuration options for writing logs to
     * [Stackdriver Logging](https://cloud.google.com/logging/docs/). If this
     * field is unset, then no logs are written.
     * </pre>
     *
     * <code>.google.cloud.tasks.v2beta3.StackdriverLoggingConfig stackdriver_logging_config = 10;
     * </code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.tasks.v2beta3.StackdriverLoggingConfig,
            com.google.cloud.tasks.v2beta3.StackdriverLoggingConfig.Builder,
            com.google.cloud.tasks.v2beta3.StackdriverLoggingConfigOrBuilder>
        getStackdriverLoggingConfigFieldBuilder() {
      if (stackdriverLoggingConfigBuilder_ == null) {
        stackdriverLoggingConfigBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.tasks.v2beta3.StackdriverLoggingConfig,
                com.google.cloud.tasks.v2beta3.StackdriverLoggingConfig.Builder,
                com.google.cloud.tasks.v2beta3.StackdriverLoggingConfigOrBuilder>(
                getStackdriverLoggingConfig(), getParentForChildren(), isClean());
        stackdriverLoggingConfig_ = null;
      }
      return stackdriverLoggingConfigBuilder_;
    }

    @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.v2beta3.Queue)
  }

  // @@protoc_insertion_point(class_scope:google.cloud.tasks.v2beta3.Queue)
  private static final com.google.cloud.tasks.v2beta3.Queue DEFAULT_INSTANCE;

  static {
    DEFAULT_INSTANCE = new com.google.cloud.tasks.v2beta3.Queue();
  }

  public static com.google.cloud.tasks.v2beta3.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.v2beta3.Queue getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }
}
