def serve_listing(self, environ):
        """Serves the response for WARCServer fixed and dynamic listing (paths)

        :param dict environ: The WSGI environment dictionary for the request
        :return: WbResponse containing the frontend apps WARCServer URL paths
        :rtype: WbResponse
        """
        result = {'fixed': self.warcserver.list_fixed_routes(),
                  'dynamic': self.warcserver.list_dynamic_routes()
                 }

        return WbResponse.json_response(result)
Serves the response for WARCServer fixed and dynamic listing (paths)

        :param dict environ: The WSGI environment dictionary for the request
        :return: WbResponse containing the frontend apps WARCServer URL paths
        :rtype: WbResponse