text: // @flow
  
  import EventTarget from 'event-target-shim';
  
  /**
   * @private
   */
  export const MEDIA_STREAM_EVENTS = [
    'active',
    'inactive',
    'addtrack',
    'removetrack',
  ];
  
  /**
   * @package
   */
  export default class RTCMediaStreamEventTarget extends EventTarget(MEDIA_STREAM_EVENTS) { }
  