OptionalsignalOptionalcloseNames of events that will end the iteration.
OptionalhighThe high watermark. The emitter is paused every time the size of events being buffered is higher than it.
Supported only on emitters implementing pause() and resume() methods.
OptionallowThe low watermark. The emitter is resumed every time the size of events being buffered is lower than it.
Supported only on emitters implementing pause() and resume() methods.
Can be used to cancel awaiting events.