/** @since 15.0 */
  @Override
  public final void awaitTerminated() {
    delegate.awaitTerminated();
  }

  /** @since 28.0 */
  @Override
  public final void awaitTerminated(Duration timeout) throws TimeoutException {
    Service.super.awaitTerminated(timeout);
  }

  /** @since 15.0 */
  @Override
  public final void awaitTerminated(long timeout, TimeUnit unit) throws TimeoutException {