Is there an AuthorizationListener?

[Nolan Darilek]

When a user logs into my app, I currently modify the menu and other 
components to reflect any new options available to them. My initial 
thinking was to make the class that renders my main app UI into an 
AuthenticationListener. Unfortunately this doesn't completely meet my 
use case, since AuthenticationListener is called after authentication 
only, and I need a listener that gets called when authorization 
information becomes available.

Is there anything like this? Looking through the code suggests not, but 
I could be missing something.