@class NSString, NSMutableSet, NSHashTable; @interface NUApplicationAppActivityMonitorIOS : NSObject @property (readonly, nonatomic) NSHashTable *observers; @property (readonly, nonatomic) NSMutableSet *foregroundObserverBlocks; @property (readonly, nonatomic) NSMutableSet *backgroundObserverBlocks; @property (readonly, nonatomic) NSMutableSet *windowForegroundObserverBlocks; @property (readonly, nonatomic) NSMutableSet *windowBackgroundObserverBlocks; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)init; - (void)performOnApplicationDidEnterBackground:(id /* block */)a0; - (void)dealloc; - (void)removeObserver:(id)a0; - (void)sceneDidEnterBackground; - (void)sceneWillConnect; - (void)_windowDidBecomeBackground; - (void)performOnApplicationDidBecomeActive:(id /* block */)a0; - (void)performOnApplicationWindowDidBecomeForeground:(id /* block */)a0; - (void)sceneDidEnterBackgroundWithSceneID:(id)a0; - (void)performOnApplicationWillEnterForeground:(id /* block */)a0; - (void)_windowDidBecomeForeground; - (void).cxx_destruct; - (void)sceneWillEnterForeground; - (void)sceneDidBecomeActiveWithURL:(id)a0 sourceApplication:(id)a1 sceneID:(id)a2; - (void)performOnApplicationWindowDidBecomeBackground:(id /* block */)a0; - (void)sceneWillResignActiveWithSceneID:(id)a0; - (void)addObserver:(id)a0; - (void)_applicationWillTerminate; - (void)sceneDidBecomeActive; @end