try {
      state.finishToValueAndCloser(consumer, executor);
    } finally {
      reachabilityFence(this);
    }
  }

  private static <C extends @Nullable Object, V extends C> void provideValueAndCloser(
      ValueAndCloserConsumer<C> consumer, State<V> state) {
    consumer.accept(new ValueAndCloser<>(state));
  }

  /**