future.addListener(
        new Runnable() {
          @Override
          public void run() {
            provideValueAndCloser(consumer, ClosingFuture.this);
          }
        },
        executor);
  }

  private static <C extends @Nullable Object, V extends C> void provideValueAndCloser(
      ValueAndCloserConsumer<C> consumer, ClosingFuture<V> closingFuture) {