`You did!' said the Hatter.

  `I deny it!' said the March Hare.

  `He denies it,' said the King:  `leave out that part.'

  `Well, at any rate, the Dormouse said--' the Hatter went on,
looking anxiously round to see if he would deny it too:  but the
Dormouse denied nothing, being fast asleep.

  `After that,' continued the Hatter, `I cut some more bread-
and-butter--'

  `You did!' said the Hatter.

  `I deny it!' said the March Hare.

  `He denies it,' said the King:  `leave out that part.'

  `Well, at any rate, the Dormouse said--' the Hatter went on,
looking anxiously round to see if he would deny it too:  but the
Dormouse denied nothing, being fast asleep.

  `After that,' continued the Hatter, `I cut some more bread-
and-butter--'

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

    /**
     * Returns a new {@code ClosingFuture} pipeline step derived from the inputs by applying a