/** Runnable is not running and not queued for execution */
    IDLE,
    /** Runnable is not running, but is being queued for execution */
    QUEUING,
    /** runnable has been submitted but has not yet begun execution */
    QUEUED,
    RUNNING,
  }

  /** Underlying executor that all submitted Runnable objects are run on. */
  private final Executor executor;

  @GuardedBy("queue")

    /** Runnable is not running and not queued for execution */
    IDLE,
    /** Runnable is not running, but is being queued for execution */
    QUEUING,
    /** runnable has been submitted but has not yet begun execution */
    QUEUED,
    RUNNING,
  }

  /** Underlying executor that all submitted Runnable objects are run on. */
  private final Executor executor;

  @GuardedBy("queue")

			}
		case "ReplicaCount":
			z.ReplicaCount, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "ReplicaCount")
				return
			}
		case "Queued":
			err = z.Queued.DecodeMsg(dc)
			if err != nil {
				err = msgp.WrapError(err, "Queued")
				return
			}
		case "Proxied":
			err = z.Proxied.DecodeMsg(dc)
			if err != nil {
				err = msgp.WrapError(err, "Proxied")
				return
			}

    /**
     * Used to update and read the latestTaskQueue field. Set to null once the runnable has been run
     * or queued.
     */
    @CheckForNull ExecutionSequencer sequencer;

    /**
     * Executor the task was set to run on. Set to null when the task has been queued, run, or
     * cancelled.
     */
    @CheckForNull Executor delegate;

    /**

| `minio_node_replication_last_minute_queued_bytes`       | Total number of bytes queued for replication in the last full minute                                     |

    ready.await()
    assertThat(dispatcher.runningCallsCount()).isEqualTo(2)
    assertThat(dispatcher.queuedCallsCount()).isEqualTo(0)
    assertThat(dispatcher.runningCalls())
      .containsExactlyInAnyOrder(a1, a2)
    assertThat(dispatcher.queuedCalls()).isEmpty()

    // Cancel some calls. That doesn't impact running or queued.
    a2.cancel()
    a3.cancel()

| `minio_replication_average_queued_bytes`          | Average number of bytes queued for replication since server start. <br><br>Type: gauge      | `server` |
| `minio_replication_average_queued_count`          | Average number of objects queued for replication since server start. <br><br>Type: gauge    | `server` |

    /**
     * Used to update and read the latestTaskQueue field. Set to null once the runnable has been run
     * or queued.
     */
    @CheckForNull ExecutionSequencer sequencer;

    /**
     * Executor the task was set to run on. Set to null when the task has been queued, run, or
     * cancelled.
     */
    @CheckForNull Executor delegate;

    /**

### Replication of object version and metadata

        }
    }

    @Override
    public OpenSearchUrlQueue poll(final String sessionId) {
        final QueueHolder queueHolder = getQueueHolder(sessionId);
        final Queue<OpenSearchUrlQueue> waitingQueue = queueHolder.waitingQueue;
        final Queue<OpenSearchUrlQueue> crawlingQueue = queueHolder.crawlingQueue;
        OpenSearchUrlQueue urlQueue = waitingQueue.poll();
        if (urlQueue != null) {