text: /**
   * Copyright 2019 The AMP HTML Authors. All Rights Reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS-IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  /**
   * @fileoverview Definitions for the Layout Jank API.
   *
   * Created from
   * @see https://gist.github.com/skobes/2f296da1b0a88cc785a4bf10a42bca07
   *
   * @todo This should be removed when the definitions are released
   * in closure-compiler.
   *
   * @externs
   */
  
  /**
   * @constructor
   * @extends {PerformanceEntry}
   */
  function PerformanceLayoutJank() {}
  /** @type {number} */ PerformanceLayoutJank.prototype.fraction;
  