@class CKSyncEngineStateSerialization; @interface CKSyncEngineStateUpdateEvent : CKSyncEngineEvent @property (readonly, copy, nonatomic) CKSyncEngineStateSerialization *stateSerialization; - (void)CKDescribePropertiesUsing:(id)a0; - (void).cxx_destruct; - (long long)type; - (id)initWithStateSerialization:(id)a0; @end