docs: def set_allow_repeat_items(self, allow_repeat_items):
          """determines if repeat items will be shown, or if the scaffold iteration will simply stop"""
          if self.get_allow_repeat_items_metadata().is_read_only():
              raise NoAccess()
          if not self.my_osid_object_form._is_valid_boolean(allow_repeat_items):
              raise InvalidArgument()
          self.my_osid_object_form._my_map['allowRepeatItems'] = allow_repeat_items