@class CADisplayLink; @interface AVDisplayLink : NSObject @property (copy, nonatomic) id /* block */ linkFired; @property (retain, nonatomic) CADisplayLink *displayLink; @property (weak, nonatomic) id observer; @property (nonatomic) double startTime; @property (readonly, nonatomic) double runningTime; - (void)invalidate; - (void).cxx_destruct; - (void)linkFired:(id)a0; - (void)startDisplayLinkUpdatesForObserver:(id)a0 framesPerSecond:(long long)a1 usingBlock:(id /* block */)a2; @end