SchedulerAction

interface SchedulerAction<T> extends Subscription {
  schedule(state?: T, delay?: number): Subscription

  // inherited from index/Subscription
  static EMPTY: Subscription
  constructor(unsubscribe?: () => void)
  closed: [object Object]
  unsubscribe(): void
  add(teardown: TeardownLogic): Subscription
  remove(subscription: Subscription): void
}