docs: def factory(
          description="",
          codes=[200],
          response_example=None,
          response_ctor=None,
      ):
          """
          desc: Describes a response to an API call
          args:
              -   name: description
                  type: str
                  desc: A description of the condition that causes this response
                  required: false
                  default: ""
              -   name: codes
                  type: int
                  desc: >
                      One or more HTTP status codes associated with
                      this response
                  required: false
                  default: [200]
              -   name: response_example
                  type: dict
                  desc: An example JSON response body
                  required: false
                  default: null
              -   name: response_help
                  type: DocString
                  desc: Help for @response_example
                  required: false
                  default: null
          """
          return RouteMethodResponse(
              description,
              codes,
              response_example,
              DocString.from_ctor(response_ctor) if response_ctor else None,
          )