public synchronized void stop() {
        if (thread != null) {
            thread.interrupt();
            thread = null;
            if (logger.isDebugEnabled()) {
                logger.debug("TimeoutManager stopped.");
            }
        }
    }

    /**
     * Interrupts the thread and waits for it to terminate.
     *
     * @param timeoutMillis
     *            The time to wait (in milliseconds)

     * Cancels the task.
     */
    public void cancel() {
        status = CANCELED;
    }

    /**
     * Returns whether the task is stopped.
     *
     * @return whether the task is stopped
     */
    public boolean isStopped() {
        return status == STOPPED;
    }

    /**
     * Stops the timer.
     */
    public void stop() {
        if (status != ACTIVE) {

      new ListenerCallQueue.Event<Listener>() {
        @Override
        public void call(Listener listener) {
          listener.stopped();
        }

        @Override
        public String toString() {
          return "stopped()";
        }
      };

  /**
   * A listener for the aggregate state changes of the services that are under management. Users

    manager.awaitStopped(5, SECONDS); // no exception thrown
  }

  /**
   * This covers a case where if the last service to stop failed then the stopped callback would
   * never be called.
   */
  public void testSingleFailedServiceCallsStopped() {
    Service a = new FailStartService();
    ServiceManager manager = new ServiceManager(asList(a));

        } catch (final ContainerNotAvailableException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("SuggestCreator is stopped.", e);
            } else if (logger.isInfoEnabled()) {
                logger.info("SuggestCreator is stopped.");
            }
            exitCode = Constants.EXIT_FAIL;
        } catch (final Throwable t) {

        } catch (final ContainerNotAvailableException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("ThumbnailGenerator is stopped.", e);
            } else if (logger.isInfoEnabled()) {
                logger.info("ThumbnailGenerator is stopped.");
            }
            exitCode = Constants.EXIT_FAIL;
        } catch (final Throwable t) {

      finalizeReferentCalled = true;
    }
  }

  /**
   * Keeps a weak reference to the underlying reference queue. When this reference is cleared, we
   * know that the background thread has stopped and released its strong reference.
   */
  private WeakReference<ReferenceQueue<Object>> queueReference;

  @Test
  public void testThatFinalizerStops() {
    weaklyReferenceQueue();

      finalizeReferentCalled = true;
    }
  }

  /**
   * Keeps a weak reference to the underlying reference queue. When this reference is cleared, we
   * know that the background thread has stopped and released its strong reference.
   */
  private WeakReference<ReferenceQueue<Object>> queueReference;

  @Test
  public void testThatFinalizerStops() {
    weaklyReferenceQueue();

		eta := time.Duration(totalBytesToRebal * float64(elapsed) / float64(ps.Bytes))
		if !ps.Info.EndTime.IsZero() {
			stopTime = ps.Info.EndTime
		}

		if !stopTime.IsZero() { // rebalance is stopped or completed
			elapsed = stopTime.Sub(ps.Info.StartTime)
			eta = 0
		}

		r.Pools[i].Progress = rebalPoolProgress{
			NumObjects:  ps.NumObjects,
			NumVersions: ps.NumVersions,
			Bytes:       ps.Bytes,

				switch {
				case errors.Is(rebalErr, context.Canceled):
					status = rebalStopped
					traceMsg = fmt.Sprintf("stopped at %s", now)
				case rebalErr == nil:
					status = rebalCompleted
					traceMsg = fmt.Sprintf("completed at %s", now)
				default:
					status = rebalFailed
					traceMsg = fmt.Sprintf("stopped at %s with err: %v", now, rebalErr)
				}

				z.rebalMu.Lock()