@interface _UIViewServiceFencingControlProxy : _UIQueueingProxy + (id)proxyWithTarget:(id)a0 exportedProtocol:(id)a1; - (id)methodSignatureForSelector:(SEL)a0; - (void)__finishParticipatingInSystemAnimationFence:(id)a0; - (void)__participateInSystemAnimationFence:(id)a0; - (void)__participateInSystemAnimationFence:(id)a0 timing:(struct _UIUpdateTiming { unsigned long long x0; unsigned long long x1; unsigned long long x2; })a1; @end