segment.cleanUp();
    }
  }

  // ConcurrentMap methods

  @Override
  public boolean isEmpty() {
    /*
     * Sum per-segment modCounts to avoid mis-reporting when elements are concurrently added and
     * removed in one segment while checking another, in which case the table was never actually
     * empty at any point. (The sum ensures accuracy up through at least 1<<31 per-segment

`It's really dreadful,' she muttered to herself, `the way all the
creatures argue.  It's enough to drive one crazy!'

  The Footman seemed to think this a good opportunity for
repeating his remark, with variations.  `I shall sit here,' he
said, `on and off, for days and days.'

  `But what am I to do?' said Alice.

  `Anything you like,' said the Footman, and began whistling.

    // Unsurprisingly, recomposing the future will return an updated value.
    assertEquals(8, getDone(transform(immediateFuture, adder, directExecutor())).intValue());

    // Repeating, with the timeout version
    assertEquals(
        8,
        getDoneFromTimeoutOverload(transform(immediateFuture, adder, directExecutor())).intValue());
  }

  static class MyError extends Error {}

      segment.cleanUp();
    }
  }

  // ConcurrentMap methods

  @Override
  public boolean isEmpty() {
    /*
     * Sum per-segment modCounts to avoid mis-reporting when elements are concurrently added and
     * removed in one segment while checking another, in which case the table was never actually
     * empty at any point. (The sum ensures accuracy up through at least 1<<31 per-segment

    // Unsurprisingly, recomposing the future will return an updated value.
    assertEquals(8, getDone(transform(immediateFuture, adder, directExecutor())).intValue());

    // Repeating, with the timeout version
    assertEquals(
        8,
        getDoneFromTimeoutOverload(transform(immediateFuture, adder, directExecutor())).intValue());
  }

  static class MyError extends Error {}

`It's really dreadful,' she muttered to herself, `the way all the
creatures argue.  It's enough to drive one crazy!'

  The Footman seemed to think this a good opportunity for
repeating his remark, with variations.  `I shall sit here,' he
said, `on and off, for days and days.'

  `But what am I to do?' said Alice.

  `Anything you like,' said the Footman, and began whistling.