public function hasNamedGroupingPolicy($ptype, ...$params)
    {
        if (1 == count($params) && is_array($params[0])) {
            $strSlice = $params[0];

            return $this->model->hasPolicy('g', $ptype, $strSlice);
        }

        $policy = [];
        foreach ($params as $param) {
            $policy[] = $param;
        }

        return $this->model->hasPolicy('g', $ptype, $policy);
    }