@class NSString; @interface _UISimpleFenceProvider : NSObject { BOOL _trackingAny; BOOL _synchronizing; } @property (class, readonly, nonatomic) _UISimpleFenceProvider *sharedInstance; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)init; - (void)synchronizeSystemAnimationFencesWithCleanUpBlock:(id /* block */)a0; - (id)requestSystemAnimationFence; - (BOOL)trackSystemAnimationFence:(id)a0; - (BOOL)isTrackingAnySystemAnimationFence; @end