// before the cancelled future completes, it will synchronously complete both the newFuture
      // from the cancelled operation and its own. This can cause one runnable to queue two tasks,
      // breaking the invariant this method relies on to iteratively run the next task after the
      // previous one completes.
      if (get() == RunningState.CANCELLED) {
        delegate = null;

      // before the cancelled future completes, it will synchronously complete both the newFuture
      // from the cancelled operation and its own. This can cause one runnable to queue two tasks,
      // breaking the invariant this method relies on to iteratively run the next task after the
      // previous one completes.
      if (get() == RunningState.CANCELLED) {
        delegate = null;

      }
      try {
        super.close()
        complete(null)
      } catch (e: IOException) {
        throw complete(e)!!
      }
    }

    /** If [e] is non-null, this will return a non-null value. */
    private fun complete(e: IOException?): IOException? {
      if (completed) return e
      completed = true
      return bodyComplete(
        bytesRead = bytesReceived,

   * Clears fields that are no longer needed after this future has completed -- or at least all its
   * inputs have completed (more precisely, after {@link #handleAllCompleted()} has been called).
   * Often called multiple times (that is, both when the inputs complete and when the output
   * completes).
   *
   * <p>This is similar to our proposed {@code afterCommit} method but not quite the same. See the
   * description of CL 265462958.
   */

     *
     * @param shareName the share name to monitor
     * @param serverAddress the server address
     * @param listener the notification listener
     * @return a future that completes with the registration
     */
    public CompletableFuture<WitnessRegistration> registerForNotifications(String shareName, InetAddress serverAddress,
            WitnessNotificationListener listener) {

   *             complete, the listener runs immediately in that thread.
   *         <li>When a thread attaches a listener to a {@code ListenableFuture} that's
   *             incomplete and the {@code ListenableFuture} later completes normally, the
   *             listener runs in the thread that completes the {@code ListenableFuture}.

         */
        public boolean isRunning() {
            return running;
        }

        /**
         * Waits for the crawling thread to terminate.
         * This method blocks until the thread completes its execution.
         * Interrupted exceptions are caught and logged at debug level.
         */
        public void awaitTermination() {
            try {
                join();

  }

  public void testListeningDecorator_scheduleSuccess() throws Exception {
    CountDownLatch completed = new CountDownLatch(1);
    ScheduledThreadPoolExecutor delegate =
        new ScheduledThreadPoolExecutor(1) {
          @Override
          protected void afterExecute(Runnable r, Throwable t) {
            completed.countDown();
          }
        };

  }

  public void testListeningDecorator_scheduleSuccess() throws Exception {
    CountDownLatch completed = new CountDownLatch(1);
    ScheduledThreadPoolExecutor delegate =
        new ScheduledThreadPoolExecutor(1) {
          @Override
          protected void afterExecute(Runnable r, Throwable t) {
            completed.countDown();
          }
        };

              }
            }
          });
      executor.execute(
          new Runnable() {
            @Override
            public void run() {
              future.cancel(true);
              if (!future.isDone()) {
                errorMessage.set("Cancel call exited before future was complete.");
              }
            }
          });