public static boolean isBackReferencesDir(final Path dirPath) {
    if (dirPath == null) {
      return false;
    }
    return dirPath.getName().startsWith(BACK_REFERENCES_DIRECTORY_PREFIX);
  }
Checks if the specified directory path is a back reference links folder.
@param dirPath Directory path to verify
@return True if the specified directory is a link references folder
hbase-server/src/main/java/org/apache/hadoop/hbase/io/FileLink.java