bling)n(o,t)}}function r(n){if(n instanceof e.wrappers.Window,n.treeScope_)return n.treeScope_;var o,i=n.parentNode;return o=i?r(i):new t(n,null),n.treeScope_=o}t.prototype={get renderer(){return this.root instanceof e.wrappers.ShadowRoot?e.getRendererForHost(this.root.host):null},contains:function(e){for(;e;e=e.parent)if(e===this)return!0;return!1}},e.TreeScope=t,e.getTreeScope=r,e.setTreeScope=n}(window.ShadowDOMPolyfill),function(e){"use strict";function t(e){return e instanceof G.ShadowRoot}function...