protected function wrappedColumns()
    {
        $grammar = $this->query->getGrammar();

        return [
            $grammar->wrap($this->model->getLftName()),
            $grammar->wrap($this->model->getRgtName()),
        ];
    }
protected function wrappedColumns()
    {
        $grammar = $this->query->getGrammar();

        return [
            $grammar->wrap($this->model->getLftName()),
            $grammar->wrap($this->model->getRgtName()),
        ];
    }
protected function wrappedColumns ( ) { $ grammar = $ this -> query -> getGrammar ( ) ; return [ $ grammar -> wrap ( $ this -> model -> getLftName ( ) ) , $ grammar -> wrap ( $ this -> model -> getRgtName ( ) ) , ] ; }
Get wrapped `lft` and `rgt` column names.

@since 2.0

@return array
Get wrapped lft and rgt column names .