private function initialize(): void
    {
        if (!$this->isBootstrapLayout()) {
            return;
        }

        switch ($this->layout->cols) {
            case '2cll':
                $this->leftClass = $this->layout->bs_leftClass;
                $this->mainClass = $this->layout->bs_mainClass;
                break;

            case '2clr':
                $this->rightClass = $this->layout->bs_rightClass;
                $this->mainClass  = $this->layout->bs_mainClass;
                break;

            case '3cl':
                $this->leftClass  = $this->layout->bs_leftClass;
                $this->rightClass = $this->layout->bs_rightClass;
                $this->mainClass  = $this->layout->bs_mainClass;
                break;

            default:
                $this->useGrid = false;

                return;
        }

        $this->useGrid = true;
    }