function RxBrioUtils.emitOnDeath(L)return Rx.switchMap(RxBrioUtils.mapBrioToEmitOnDeathObservable(L))end
--[=[
	Takes in an observable of brios and returns an observable of the inner values that will also output
	nil if there is no other value for the brio.

	@param emitOnDeathValue U
	@return (source: Observable<Brio<T> | T>) -> Observable<T | U>
]=]
function RxBrioUtils.emitOnDeath(emitOnDeathValue)
	return Rx.switchMap(RxBrioUtils.mapBrioToEmitOnDeathObservable(emitOnDeathValue))
end
