text: /**
   * Copyright (c) Facebook, Inc. and its affiliates.
   *
   * This source code is licensed under the MIT license found in the
   * LICENSE file in the root directory of this source tree.
   */
  
  import SyntheticEvent from 'events/SyntheticEvent';
  
  /**
   * @interface Event
   * @see http://www.w3.org/TR/css3-animations/#AnimationEvent-interface
   * @see https://developer.mozilla.org/en-US/docs/Web/API/AnimationEvent
   */
  // Animation 合成事件类
  const SyntheticAnimationEvent = SyntheticEvent.extend({
    animationName: null,
    elapsedTime: null,
    pseudoElement: null,
  });
  
  export default SyntheticAnimationEvent;
  