@class SVKeyValueObserver, AVPlayerItem, NSString, AVPlayer; @interface SVPlayerItemObserver : NSObject <SVPlayerItemObserving> @property (readonly, nonatomic) AVPlayer *player; @property (readonly, nonatomic) SVKeyValueObserver *observer; @property (weak, nonatomic) AVPlayerItem *item; @property (copy, nonatomic, setter=onChange:) id /* block */ changeBlock; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)initWithPlayer:(id)a0; - (void).cxx_destruct; @end