ScheduledListeningDecorator(ScheduledExecutorService delegate) {
      super(delegate);
      this.delegate = checkNotNull(delegate);
    }

    @Override
    public ListenableScheduledFuture<?> schedule(Runnable command, long delay, TimeUnit unit) {
      TrustedListenableFutureTask<@Nullable Void> task =
          TrustedListenableFutureTask.create(command, null);