docs: def _to_dict(self):
          """Return a json dictionary representing this model."""
          _dict = {}
          if hasattr(self, 'tooling') and self.tooling is not None:
              _dict['tooling'] = self.tooling._to_dict()
          if hasattr(self, 'disambiguation') and self.disambiguation is not None:
              _dict['disambiguation'] = self.disambiguation._to_dict()
          if hasattr(
                  self,
                  'human_agent_assist') and self.human_agent_assist is not None:
              _dict['human_agent_assist'] = self.human_agent_assist
          return _dict