enterRun.await(); // to avoid stopping the service until run() is invoked

    service.stopAsync();
    service.stopAsync();
    service.stopAsync().awaitTerminated();
    assertEquals(Service.State.TERMINATED, service.state());
    service.stopAsync().awaitTerminated();
    assertEquals(Service.State.TERMINATED, service.state());

    executionThread.join();
  }

   */
  @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 {

  }

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

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

  /**

   */
  @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 {

          }

          @Override
          public final void awaitTerminated() {
            delegate.awaitTerminated();
          }

          @Override
          public final void awaitTerminated(long timeout, TimeUnit unit) throws TimeoutException {
            delegate.awaitTerminated(timeout, unit);
          }

          @Override
          public final boolean isRunning() {

  }

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

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

  interface Cancellable {
    void cancel(boolean mayInterruptIfRunning);