}
    CyclicBarrier barrier =
        new CyclicBarrier(
            6 // for the setter threads
                + 50 // for the listeners
                + 50 // for the blocking get threads,
                + 1); // for the main thread
    ExecutorService executor = newFixedThreadPool(barrier.getParties());

    }
    CyclicBarrier barrier =
        new CyclicBarrier(
            6 // for the setter threads
                + 50 // for the listeners
                + 50 // for the blocking get threads,
                + 1); // for the main thread
    ExecutorService executor = newFixedThreadPool(barrier.getParties());

    ExecutorService executor = newDirectExecutorService();
    CyclicBarrier barrier = new CyclicBarrier(2);

    FutureTask<@Nullable Void> otherTask =
        new FutureTask<>(
            () -> {
              Future<?> future =
                  executor.submit(
                      () -> {
                        // WAIT #1
                        barrier.await(1, SECONDS);

                        // WAIT #2

    ExecutorService executor = newDirectExecutorService();
    CyclicBarrier barrier = new CyclicBarrier(2);

    FutureTask<@Nullable Void> otherTask =
        new FutureTask<>(
            () -> {
              Future<?> future =
                  executor.submit(
                      () -> {
                        // WAIT #1
                        barrier.await(1, SECONDS);

                        // WAIT #2

   * checked exceptions.
   */
  public class CheckedBarrier extends CyclicBarrier {
    public CheckedBarrier(int parties) {
      super(parties);
    }

    @Override
    public int await() {
      try {
        return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
      } catch (TimeoutException e) {