public function run()
{
$html = [];
$html[] = Html::endTag('div');
// container
$html[] = Html::endTag('div');
// nav-wrapper
$html[] = Html::endTag('nav');
if ($this->fixed) {
$html[] = Html::endTag('div');
}
MaterializePluginAsset::register($this->getView());
return implode("\n", $html);
}