docs: def _to_dict(self):
          """Return a json dictionary representing this model."""
          _dict = {}
          if hasattr(self, 'name') and self.name is not None:
              _dict['name'] = self.name
          if hasattr(self, 'url') and self.url is not None:
              _dict['url'] = self.url
          if hasattr(self, 'status') and self.status is not None:
              _dict['status'] = self.status
          if hasattr(self, 'classifier_id') and self.classifier_id is not None:
              _dict['classifier_id'] = self.classifier_id
          if hasattr(self, 'created') and self.created is not None:
              _dict['created'] = datetime_to_string(self.created)
          if hasattr(
                  self,
                  'status_description') and self.status_description is not None:
              _dict['status_description'] = self.status_description
          if hasattr(self, 'language') and self.language is not None:
              _dict['language'] = self.language
          return _dict