<Time taken to remove Firebase Realtime Database L...

# stackoverflow

[user]

Time taken to remove Firebase Realtime Database Listener
My question is simple "how much time does it take to remove a listener?"
I am asking this because when I assign a ValueEventListener to a specific place in a real-time database and remove it after the work is done. Now, if still the changes are made to the same database location where the listener was working before being removed, I still get the values and that should not happen.
So, removing the ValueEventListener removes the listener instantaneously or after a while. If not then I might be...