* @see ClosingFuture#finishToValueAndCloser(ValueAndCloserConsumer, Executor)
   */
  public static final class ValueAndCloser<V extends @Nullable Object> {

    private final ClosingFuture<? extends V> closingFuture;

    ValueAndCloser(ClosingFuture<? extends V> closingFuture) {
      this.closingFuture = checkNotNull(closingFuture);
    }

    /**

   * @see ClosingFuture#finishToValueAndCloser(ValueAndCloserConsumer, Executor)
   */
  public static final class ValueAndCloser<V extends @Nullable Object> {

    private final ClosingFuture<? extends V> closingFuture;

    ValueAndCloser(ClosingFuture<? extends V> closingFuture) {
      this.closingFuture = checkNotNull(closingFuture);
    }

    /**

    waitUntilClosed(closingFuture);
    assertStillOpen(closeable1);
    assertClosed(closeable2, closeable3);
  }

  public void testWhenAllComplete_callAsync() throws Exception {
    ClosingFuture<String> input1 = ClosingFuture.from(immediateFuture("value1"));
    ClosingFuture<Object> input2Failed = failedClosingFuture();