@class CAMediaTimingFunction, NSString, NSMutableSet; @interface ARUIRingGroupAnimationState : NSObject <ARUIRingGroupAnimationDelegate> @property (retain, nonatomic) ARUIRingGroupAnimationState *nextAnimationState; @property (retain, nonatomic) NSMutableSet *trackedAnimations; @property (nonatomic) double duration; @property (retain, nonatomic) CAMediaTimingFunction *timingFunction; @property (copy, nonatomic) id /* block */ completion; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (void)popAnimationState; + (id)currentAnimationState; + (void)pushAnimationState:(id)a0; @end