src/widget/NavBar.php
public function run()
    {        
        echo Html::endTag('div');        
        $tag = ArrayHelper::remove($this->options, 'tag', 'nav');
        echo Html::endTag($tag);
        AdminUiAsset::register($this->getView());
    }
public function run()
    {        
        echo Html::endTag('div');        
        $tag = ArrayHelper::remove($this->options, 'tag', 'nav');
        echo Html::endTag($tag);
        AdminUiAsset::register($this->getView());
    }
Renders the widget.