public function triggerAfterCompletion(ServletRequestInterface $request, ServletResponseInterface $response, \Exception $ex)
    {
        $interceptors = $this->getInterceptors();
        if (!empty($interceptors)) {
            for ($i = $this->interceptorIndex; $i >= 0; $i--) {
                $interceptor = $interceptors[$i];
                try {
                    $interceptor->afterCompletion($request, $response, $this->handler);
                } catch (\Exception $exc) {
                    // TODO: Add logging
                }
            }
        }
    }