@class NSString; @interface VCCompanionSyncSerializer : NSObject <SYChangeSerializer> @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)dataFromChange:(id)a0; - (id)changeFromData:(id)a0 ofType:(long long)a1; @end