public boolean isIgnored(@NotNull CharSequence fileName) {
    if (ignorePatterns.findAssociatedFileType(fileName) == Boolean.TRUE) {
      return true;
    }

    //Quite a hack, but still we need to have some name, which
    //won't be caught by VFS for sure.
    return StringUtilRt.endsWith(fileName, FileUtil.ASYNC_DELETE_EXTENSION);
  }
public boolean isIgnored(@NotNull CharSequence fileName)