docs: def _model_for_CLASS(self, name, definition):
          """
          Model a Swagger definition that is like a Python class.
  
          :param unicode name: The name of the definition from the
              specification.
  
          :param pyrsistent.PMap definition: A Swagger definition to categorize.
              This will be a value like the one found at
              ``spec["definitions"][name]``.
          """
          return _ClassModel.from_swagger(
              self.pclass_for_definition,
              name,
              definition,
          )