@class NSArray, NSString, NSHashTable, NSObject; @protocol OS_dispatch_queue; @interface VCSyncDataHandler : NSObject <VCSyncDataHandling> @property (class, readonly, nonatomic) Class changeClass; @property (class, readonly, nonatomic) int messageType; @property (readonly, nonatomic) NSHashTable *servicesTable; @property (readonly, nonatomic) NSObject<OS_dispatch_queue> *queue; @property (readonly, copy, nonatomic) NSArray *services; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)init; - (void)requestSync; - (void).cxx_destruct; - (BOOL)resetSyncStateForService:(id)a0 error:(id *)a1; - (BOOL)applyChanges:(id)a0 fromSyncService:(id)a1 error:(id *)a2; - (BOOL)deleteSyncedData:(id *)a0; - (void)deregisterSyncService:(id)a0; - (BOOL)markChangesAsSynced:(id)a0 withSyncService:(id)a1 metadata:(id)a2 error:(id *)a3; - (void)registerSyncService:(id)a0; - (void)requestFullResync; - (id)unsyncedChangesForSyncService:(id)a0 metadata:(id *)a1 error:(id *)a2; @end