/**
@license @nocompile
Copyright (c) 2018 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
*/
(function () {
  'use strict';

  (function(){if(void 0===window.Reflect||void 0===window.customElements||window.customElements.hasOwnProperty('polyfillWrapFlushCallback'))return;const a=HTMLElement;window.HTMLElement=function HTMLElement(){return Reflect.construct(a,[],this.constructor)},HTMLElement.prototype=a.prototype,HTMLElement.prototype.constructor=HTMLElement,Object.setPrototypeOf(HTMLElement,a);})();

}());