@class NSString, ARUIObserverStore, CADisplayLink; @interface ARUIRingGroupGlobalAnimationSequencer : NSObject <ARUIAnimationSequencing> { ARUIObserverStore *_observers; CADisplayLink *_displayLink; double _lastUpdateTime; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)sharedInstance; - (void)_updateDisplayLink; - (void)_displayLinkFired:(id)a0; - (void)removeObserver:(id)a0; - (id)_init; - (void).cxx_destruct; - (void)addObserver:(id)a0; - (BOOL)_needsDisplayLink; @end