@class GEOObserverHashTable, geo_isolater, NSObject; @protocol OS_dispatch_queue; @interface GEOSystemMonitor : NSObject { NSObject<OS_dispatch_queue> *_queue; geo_isolater *_isolater; GEOObserverHashTable *_systemSleepObservers; struct IONotificationPort { } *_notifyPortRef; unsigned int _notifier; } @property (class, readonly, nonatomic) GEOSystemMonitor *sharedInstance; - (id)init; - (void)dealloc; - (void)removeSystemSleepObserver:(id)a0; - (void)addSystemSleepObserver:(id)a0 queue:(id)a1; - (BOOL)isBackgroundAppRefreshEnabledForBundleIdentifier:(id)a0 isDisabledGlobally:(BOOL *)a1; - (void).cxx_destruct; @end