code: def _aws_model_ref_from_swagger_ref(self, r):
          '''
          Helper function to reference models created on aws apigw
          '''
          model_name = r.split('/')[-1]
          return 'https://apigateway.amazonaws.com/restapis/{0}/models/{1}'.format(self.restApiId, model_namef _aws_model_ref_from_swagger_ref(self, r):
          '''
          Helper function to reference models created on aws apigw
          '''
          model_name = r.split('/')[-1]
          return 'https://apigateway.amazonaws.com/restapis/{0}/models/{1}'.format(self.restApiId, model_name)
docs: Helper function to reference models created on aws apigw