ReceiveStream
An RPC-like stream for returning responses to sent events. The main use case is communication between the JVM and native code, but it can be used for any bi-directional communication.
The stream is called "ReceiveStream" in the JVM and "SendStream" in the native code.
Docs: https://gp.acrobits.cz/master/documentation/core/android/writing-modern-android/streams