Requests the system wait for the specified amount of time before turning off the power or logging out the user.
Original signature is '- (NSInteger)extendPowerOffBy:(NSInteger)requested'
Available in Mac OS X v10.0 and later.


- requested (NSInteger)
- The number of milliseconds to wait before turning off the power or logging off the user.

The number of milliseconds granted by the system.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)