* @param <E> the element type of {@link SynchronousQueue}
     * @return a new instance of {@link SynchronousQueue}
     * @see SynchronousQueue#SynchronousQueue()
     */
    public static <E> SynchronousQueue<E> newSynchronousQueue() {
        return new SynchronousQueue<>();
    }

    /**
     * Creates and returns a new instance of {@link SynchronousQueue}.
     *
     * @param <E> the element type of {@link SynchronousQueue}

  // SynchronousQueue

  /** Creates an empty {@code SynchronousQueue} with nonfair access policy. */
  @J2ktIncompatible
  @GwtIncompatible // SynchronousQueue
  public static <E> SynchronousQueue<E> newSynchronousQueue() {
    return new SynchronousQueue<>();
  }

  /**
   * Drains the queue as {@link BlockingQueue#drainTo(Collection, int)}, but if the requested {@code

  // SynchronousQueue

  /** Creates an empty {@code SynchronousQueue} with nonfair access policy. */
  @J2ktIncompatible
  @GwtIncompatible // SynchronousQueue
  public static <E> SynchronousQueue<E> newSynchronousQueue() {
    return new SynchronousQueue<>();
  }

  /**
   * Drains the queue as {@link BlockingQueue#drainTo(Collection, int)}, but if the requested {@code