@class NSString, NSPointerArray, NSMutableArray; @protocol QLNotificationCenterProtocol; @interface QLNotificationCenter : NSObject { id _remoteNotificationCenter; NSPointerArray *_observers; NSMutableArray *_bufferedNotifications; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)sharedInstance; - (id)init; - (void)postNotificationName:(id)a0 userInfo:(id)a1; - (void)registerObserver:(id)a0; - (void)unregisterObserver:(id)a0; - (void).cxx_destruct; - (long long)_indexOfObserver:(id)a0; - (void)_bufferNotificationName:(id)a0 userInfo:(id)a1; - (void)_sendEnqueuedNotifications; - (BOOL)_tryPostingNotificationName:(id)a0 userInfo:(id)a1; - (void)setRemoteNotificationCenter:(id)a0; @end