code: boolean unprotectedRenameTo(String src, String dst, long timestamp)
    throws QuotaExceededException {
      return unprotectedRenameTo(src, null, null, null, dst, null, null, timestamp);
    }
docs: Change a path name
  
  @param src source path
  @param dst destination path
  @return true if rename succeeds; false otherwise
  @throws QuotaExceededException if the operation violates any quota limit