code: def create_swagger_json_handler(app, **kwargs):
      
  
      spec = get_swagger_spec(app)
      _add_blueprint_specs(app, spec)
      spec_dict = spec.swagger_definition(**kwargs)
      encoded_spec = json.dumps(spec_dict).encode("UTF-8")
  
      async def swagger(request):
          return HTTPResponse(
              body_bytes=encoded_spec,
              headers={
                  "Access-Control-Allow-Origin": "*"
              },
              content_type="application/json",
          )
  
      return swagger
docs: Create a handler that returns the swagger definition
      for an application.
      This method assumes the application is using the
      TransmuteUrlDispatcher as the router.