docs: def set_solution(self, text):
          """stub"""
          if not self.my_osid_object_form._is_valid_string(
                  text, self.get_solution_metadata()):
              raise InvalidArgument('text')
          if is_string(text):
              self.my_osid_object_form._my_map['solution'] = {
                  'text': text,
                  'languageTypeId': str(DEFAULT_LANGUAGE_TYPE),
                  'scriptTypeId': str(DEFAULT_SCRIPT_TYPE),
                  'formatTypeId': str(DEFAULT_FORMAT_TYPE)
              }
          else:
              self.my_osid_object_form._my_map['solution'] = text