NSPersistentHistoryResultType.count The number of persistent history changes since the requested date, token, or transaction. Declarationcase count See AlsoResult TypesNSPersistentHistoryResultType.statusOnlyNSPersistentHistoryResultType.objectIDsNSPersistentHistoryResultType.transactionsAndChangesNSPersistentHistoryResultType.transactionsOnlyNSPersistentHistoryResultType.changesOnly