code: def clear_choice_ids(self):
          
          if (self.get_choice_ids_metadata().is_read_only() or
                  self.get_choice_ids_metadata().is_required()):
              raise NoAccess()
          self.my_osid_object_form._my_map['choiceIds'] = \
              self._choice_ids_metadata['default_object_values'][0]
docs: stub