[ Version ( since = "1.0.12" ) ]
public bool offline_trigger_upgrade (OfflineAction action, Cancellable? cancellable = null) throws Error
Triggers the offline system upgrade so that the next reboot will perform the pending transaction.
The function always allows user interaction. To change the behavior, use offline_trigger_upgrade_with_flags.
a OfflineAction, e.g. REBOOT
A Cancellable or