@class NSDictionary, NSString; @interface IKPlayerMediaItemChangeEventUserInfo : NSObject <IKPlayerEventMarshaling> @property (readonly, nonatomic) long long reason; @property (readonly, nonatomic) NSDictionary *properties; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)initWithReason:(long long)a0; @end