code: def _ParseRecordExtraField(self, byte_stream, file_offset):
      
      extra_field_map = self._GetDataTypeMap('asl_record_extra_field')
  
      try:
        record_extra_field = self._ReadStructureFromByteStream(
            byte_stream, file_offset, extra_field_map)
      except (ValueError, errors.ParseError) as exception:
        raise errors.ParseError((
            'Unable to parse record extra field at offset: 0x{0:08x} with error: '
            '{1!s}').format(file_offset, exception))
  
      return record_extra_field
docs: Parses a record extra field.
  
      Args:
        byte_stream (bytes): byte stream.
        file_offset (int): offset of the record extra field relative to
            the start of the file.
  
      Returns:
        asl_record_extra_field: record extra field.
  
      Raises:
        ParseError: if the record extra field cannot be parsed.