(function(){
/*

 Copyright (c) 2020 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
*/
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