NSPersistentHistoryResultType.changesOnly The persistent history changes since the requested date, token, or transaction. Declarationcase changesOnly See AlsoResult TypesNSPersistentHistoryResultType.statusOnlyNSPersistentHistoryResultType.countNSPersistentHistoryResultType.objectIDsNSPersistentHistoryResultType.transactionsAndChangesNSPersistentHistoryResultType.transactionsOnly