public function getListParent()
    {
        $parent = session()->get($this->getSessionKey(static::TYPE_PARENT));

        if (null === $parent) {
            return null;
        }

        if (static::PARENT_DISABLE === $parent) {
            return false;
        }

        list($relation, $key) = explode(':', $parent, 2);

        return compact('relation', 'key');
    }