Optionalsub: stringOptional subject identifier (sub) of the user associated with the logout event.
Optionalsid: stringOptional session identifier (sid) for the session being terminated.
Returns a promise or void. Execution completes once logout handling finishes.
Callback invoked when a back-channel logout event is received from the authorization server.
Back-channel logout allows MonoCloud to notify the application that a user session should be terminated without browser interaction.