(function (win){ 
if (win._muiLoadedWC) return ; 
 else win._muiLoadedWC = true ; 
if (typeof HTMLElement === 'undefined' || !document.registerElement) { 
throw new Error("MUI: Client does not support web components")
} 
var buttons = require('src/webcomponents/buttons'), forms = require('src/webcomponents/forms'); 
buttons.registerElements(); 
forms.registerElements(); 
} 
)(window);