Shut down this subscriber; it won't receive any further values and its stream (if any) will be halted.
A stream of all values published to this subscriber which haven't already been taken by another stream or take.
A stream of all values published to this subscriber which haven't already been taken by another stream or take. This stream is not multiplexed, so using it in multiple places will be problematic!
Take one value from this subscriber.
Take one value from this subscriber. Receiving Take.End indicates that this subscriber won't receive any more values. If a stream from stream is running, it's undefined whether the stream will also get the taken value.