access to idle shutdown timer from python

I would like to access the idle shutdown timer set under the power saving tab in settings from a addon the same way you can access alarm timers.
example

Code:
xbmc.getCondVisibility('System.HasAlarm(shutdowntimer)')

and

Code:
xbmc.getCondVisibility('System.AlarmLessOrEqual(shutdowntimer,300)')

It’s my understanding that this timer is not an alarm and cannot be accessed.