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1 : bufferSize;\n    this._windowTime = windowTime < 1 ? 1 : windowTime;\n  }\n\n  next(value: T): void {\n    const now = this._getNow();\n    this._events.push(new ReplayEvent(now, value));\n    this._trimBufferThenGetEvents();\n    super.next(value);\n  }\n\n  /** @deprecated internal use only */ _subscribe(subscriber: Subscriber<T>): Subscription {\n    const _events = this._trimBufferThenGetEvents();\n    const scheduler = this.scheduler;\n    let subscription: Subscription;\n\n    if (this.closed) {\n      throw new ObjectUnsubscribedError();\n    } else if (this.hasError) {\n      subscription = Subscription.EMPTY;\n    } else if (this.isStopped) {\n      subscription = Subscription.EMPTY;\n    } else {\n      this.observers.push(subscriber);\n      subscription = new SubjectSubscription(this, subscriber);\n    }\n\n    if (scheduler) {\n      subscriber.add(subscriber = new ObserveOnSubscriber<T>(subscriber, scheduler));\n    }\n\n    const len = _events.length;\n    for (let i = 0; i < len && !subscriber.closed; i++) {\n      subscriber.next(_events[i].value);\n    }\n\n    if (this.hasError) {\n      subscriber.error(this.thrownError);\n    } else if (this.isStopped) {\n      subscriber.complete();\n    }\n\n    return subscription;\n  }\n\n  _getNow(): number {\n    return (this.scheduler || queue).now();\n  }\n\n  private _trimBufferThenGetEvents(): ReplayEvent<T>[] {\n    const now = this._getNow();\n    const _bufferSize = this._bufferSize;\n    const _windowTime = this._windowTime;\n    const _events = this._events;\n\n    let eventsCount = _events.length;\n    let spliceCount = 0;\n\n    // Trim events that fall out of the time window.\n    // Start at the front of the list. Break early once\n    // we encounter an event that falls within the window.\n    while (spliceCount < eventsCount) {\n      if ((now - _events[spliceCount].time) < _windowTime) {\n        break;\n      }\n      spliceCount++;\n    }\n\n    if (eventsCount > _bufferSize) {\n      spliceCount = Math.max(spliceCount, eventsCount - _bufferSize);\n    }\n\n    if (spliceCount > 0) {\n      _events.splice(0, spliceCount);\n    }\n\n    return _events;\n  }\n}\n\nclass ReplayEvent<T> {\n  constructor(public time: number, public value: T) {\n  }\n}\n"]}