Method scheduleEventTask

packages/zone.js/lib/zone-impl.ts:272–272

* Schedule an EventTask. * * @param source * @param callback * @param data * @param customSchedule * @param customCancel

(
    source: string,
    callback: Function,
    data?: TaskData,
    customSchedule?: (task: Task) => void,
    customCancel?: (task: Task) => void,
  )

   * @param customCancel
   */
  scheduleEventTask(
    source: string,
    callback: Function,
    data?: TaskData,