single live event, notify all observers

Hi,
thanks for the example but I have a problem
in SingleLiveEvent class there is a log that says "Multiple observers registered but only one will be notified of changes."
but what if we want to notify all observers?
in my scenario, I observed live data in 2 places and I want to notify all of them and also I need to treat it as an event

The issue names SingleLiveEvent but provides no repository file, test, or concrete change. Start by locating that class and reviewing its current single-observer behavior; completion would require a decided API and tests showing one event delivered to both observers.

Written by the indexing model from the issue text.