once

abstract fun once(event: String, listener: Function<Unit>)(source)
abstract fun once(event: FSWatcherEvent.CHANGE, listener: (eventType: String, filename: Any) -> Unit)(source)
abstract fun once(event: FSWatcherEvent.CLOSE, listener: () -> Unit)(source)
abstract fun once(event: FSWatcherEvent.ERROR, listener: (JsError) -> Unit)(source)