protected function getParameter(string $name)
    {
        if (!$this->container->has('parameter_bag')) {
            throw new ServiceNotFoundException('parameter_bag', null, null, [], sprintf('The "%s::getParameter()" method is missing a parameter bag to work properly. Did you forget to register your controller as a service subscriber? This can be fixed either by using autoconfiguration or by manually wiring a "parameter_bag" in the service locator passed to the controller.', \get_class($this)));
        }

        return $this->container->get('parameter_bag')->get($name);
    }