private static void forceAppender(Path path) {
    final FileAccessorCache.Handle<? extends OutputStream> cached = ourAppendersCache.getIfCached(path);
    if (cached != null) {
      try {
        cached.get().flush();
      }
      catch (IOException e) {
        throw new RuntimeException(e);
      }
      finally {
        cached.release();
      }
    }
  }
private static void forceAppender(Path path)