delegate().putLast(e);
  }

  @Override
  public boolean offerFirst(E e, long timeout, TimeUnit unit) throws InterruptedException {
    return delegate().offerFirst(e, timeout, unit);
  }

  @Override
  public boolean offerLast(E e, long timeout, TimeUnit unit) throws InterruptedException {
    return delegate().offerLast(e, timeout, unit);
  }

  @Override
  public E takeFirst() throws InterruptedException {

  @Override
  public boolean isTerminated() {
    return delegate.isTerminated();
  }

  @Override
  public boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException {
    Preconditions.checkNotNull(unit, "unit must not be null!");
    return delegate.awaitTermination(timeout, unit);
  }

  @Override
  public <T> ListenableFuture<T> submit(Callable<T> task) {

  public V get() throws InterruptedException, ExecutionException {
    return delegate.get();
  }

  @Override
  @ParametricNullness
  public V get(long timeout, TimeUnit unit)
      throws InterruptedException, ExecutionException, TimeoutException {
    return delegate.get(timeout, unit);
  }

  @Override
  public String toString() {
    return delegate.toString();
  }

   * value. Otherwise, a call that passes one {@code loader} may return the result of another call
   * with a differently behaving {@code loader}. For example, a call that requests a short timeout
   * for an RPC may wait for a similar call that requests a long timeout, or a call by an
   * unprivileged user may return a resource accessible only to a privileged user making a similar

  // TODO(lukes): Consider throwing InterruptedException when appropriate.
  @Override
  @ParametricNullness
  public V get() {
    return value;
  }

  @Override
  @ParametricNullness
  public V get(long timeout, TimeUnit unit) throws ExecutionException {
    checkNotNull(unit);
    return get();
  }

  @Override
  public boolean isCancelled() {
    return false;
  }

  @Override
  public boolean isDone() {

      return shutdown;
    }

    @Override
    public boolean isTerminated() {
      return shutdown;
    }

    @Override
    public boolean awaitTermination(long timeout, TimeUnit unit) {
      return true;
    }

    @Override
    public void execute(Runnable runnable) {}

    @Override
    public <V> ListenableScheduledFuture<V> schedule(

       */
      allowGetToComplete.await(1, SECONDS);
      throw new RuntimeException("expected, should be caught");
    }

    @Override
    public V get(long timeout, TimeUnit unit) {
      throw new AssertionFailedError();
    }

    @Override
    public boolean isCancelled() {
      throw new AssertionFailedError();
    }

    @Override

    } else {
      throw new UncheckedExecutionException(cause);
    }
  }

  private static void checkPositiveTimeout(long timeoutDuration) {
    checkArgument(timeoutDuration > 0, "timeout must be positive: %s", timeoutDuration);
  }

   * UncheckedTimeoutException} to the caller.
   *
   * <p>It is important to note that the primary purpose of the proxy object is to return control to
   * the caller when the timeout elapses; aborting the target method call is of secondary concern.
   * The particular nature and strength of the guarantees made by the proxy is

  }

  @Override
  public final <T extends @Nullable Object> List<Future<T>> invokeAll(
      Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)
      throws InterruptedException {
    return delegate.invokeAll(wrapTasks(tasks), timeout, unit);
  }

  @Override
  public final <T extends @Nullable Object> T invokeAny(Collection<? extends Callable<T>> tasks)