docs: def _init_map(self):
          """stub"""
          self.my_osid_object_form._my_map['maxStrings'] = \
              self._max_strings_metadata['default_integer_values'][0]
          self.my_osid_object_form._my_map['expectedLength'] = \
              self._expected_length_metadata['default_integer_values'][0]
          self.my_osid_object_form._my_map['expectedLines'] = \
              self._expected_lines_metadata['default_integer_values'][0]
          super(QTIExtendedTextAnswerQuestionFormRecord, self)._init_map()