}

  /**
   * Creates a {@link FutureCombiner} that processes the completed futures whether or not they're
   * successful.
   *
   * <p>Any failures from the input futures will not be propagated to the returned future.
   *
   * @since 20.0
   */
  public static <V extends @Nullable Object> FutureCombiner<V> whenAllComplete(

  }

  /**
   * Creates a {@link FutureCombiner} that processes the completed futures whether or not they're
   * successful.
   *
   * <p>Any failures from the input futures will not be propagated to the returned future.
   *
   * @since 20.0
   */
  public static <V extends @Nullable Object> FutureCombiner<V> whenAllComplete(

            }
          };
      ClosingFuture<V> derived =
          new ClosingFuture<>(futureCombiner().callAsync(asyncCallable, executor));
      derived.closeables.add(closeables, directExecutor());
      return derived;
    }

    private FutureCombiner<@Nullable Object> futureCombiner() {
      return allMustSucceed
          ? Futures.whenAllSucceed(inputFutures())