docs: public WindowedStream<T, KEY, TimeWindow> timeWindow(Time size, Time slide) {
  		if (environment.getStreamTimeCharacteristic() == TimeCharacteristic.ProcessingTime) {
  			return window(SlidingProcessingTimeWindows.of(size, slide));
  		} else {
  			return window(SlidingEventTimeWindows.of(size, slide));
  		}
  	}