checkNotNull(closingExecutor);
    final ClosingFuture<C> closingFuture = new ClosingFuture<>(nonCancellationPropagating(future));
    Futures.addCallback(
        future,
        new FutureCallback<@Nullable AutoCloseable>() {
          @Override
          public void onSuccess(@CheckForNull AutoCloseable result) {
            closingFuture.closeables.closer.eventuallyClose(result, closingExecutor);
          }