docs: def reference_id_parts(reference_id):
      """\
      Returns a tuple from the provided `reference_id`::
  
          (YEAR, ORIGIN, S/N)
  
      `reference_id`
          Cable reference identifier or canonical identifier.
      """
      m = consts.REFERENCE_ID_PATTERN.match(reference_id)
      if m:
          return m.groups()
      raise ValueError('Illegal reference identifier: "%s"' % reference_id)