public function endInternal()
    {
        $params = array_pop($this->capture);
        $css = ob_get_clean();

        if (isset($params['cond'])) {
            return $this->addCondInternal(
                $params['cond'],
                $css,
                $params['attr'],
                $params['pos']
            );
        }

        return $this->addInternal(
            $css,
            $params['attr'],
            $params['pos']
        );
    }