/**
 * @license
 * Copyright (c) 2014 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
 */
declare const _default: {
    EXTERNAL_URL: RegExp;
    ABS_URL: RegExp;
    URL: RegExp;
    URL_ATTR: string[];
    URL_TEMPLATE: string;
    OLD_POLYMER: string;
};
export default _default;