private function getMonitoringInputs(): array
    {
        $guard = [];
        if ($this->surveillance & self::REQUEST) {
            $guard['REQUEST'] = $_REQUEST;
        }
        if ($this->surveillance & self::GET) {
            $guard['GET'] = $_GET;
        }
        if ($this->surveillance & self::POST) {
            $guard['POST'] = $_POST;
        }
        if ($this->surveillance & self::COOKIE) {
            $guard['COOKIE'] = $_COOKIE;
        }
        return $guard;
    }