System/Library/PrivateFrameworks/IOKitten.framework
IOKPowerManager.h
@interface IOKPowerManager : NSObject {
unsigned int _connection;
}
+ (id)powerManager;
+ (BOOL)isSleepEnabled;
- (id)init;
- (void)dealloc;
- (BOOL)sleepSystemWithError:(id *)a0;
@end