protected function loadDefaultFiles(FrontendHandler $frontendHandler)
{
$frontendHandler->css(['assets/core/common/css/xe-common.css', 'assets/core/xe-ui-component/xe-ui-component.css', '//cdn.jsdelivr.net/xeicon/2.0.0/xeicon.min.css'])->load();
$frontendHandler->js(['assets/bundle.js'])->appendTo('head.prepend')->load();
$frontendHandler->js('assets/core/common/js/usermenu.js')->load();
// @TODO 제거
}