# Deprecated Symbols Review unsupported symbols and their replacements. ## Topics ### Deprecated constants [`let NSXMLExternalRecordType: String`](/documentation/CoreData/NSXMLExternalRecordType) Specifies an XML file format. [`let NSBinaryExternalRecordType: String`](/documentation/CoreData/NSBinaryExternalRecordType) Specifies a binary file format ### Deprecated enumerations [`enum NSPersistentStoreUbiquitousTransitionType`](/documentation/CoreData/NSPersistentStoreUbiquitousTransitionType) These constants are used as the value corresponding to the [`NSPersistentStoreUbiquitousTransitionTypeKey`](/documentation/CoreData/NSPersistentStoreUbiquitousTransitionTypeKey) in the user info dictionary of [`NSPersistentStoreCoordinatorStoresWillChangeNotification`](/documentation/CoreData/NSPersistentStoreCoordinatorStoresWillChangeNotification) and [`NSPersistentStoreCoordinatorStoresDidChangeNotification`](/documentation/CoreData/NSPersistentStoreCoordinatorStoresDidChangeNotification) notifications to identify the type of event leading to a change. ### Deprecated type properties [`extern NSString * const NSPersistentStoreDidImportUbiquitousContentChangesNotification;`](/documentation/CoreData/NSPersistentStoreDidImportUbiquitousContentChangesNotification) Posted after records are imported from the ubiquitous content store. ### Deprecated type methods [`class func elementsDerived(fromExternalRecordAt: URL) -> [AnyHashable : Any]`](/documentation/CoreData/NSPersistentStoreCoordinator/elementsDerived(fromExternalRecordAt:)) Returns a dictionary containing the parsed elements derived from the Spotlight external record file that is specified by the given URL. [`class func metadataForPersistentStore(with: URL) throws -> [AnyHashable : Any]`](/documentation/CoreData/NSPersistentStoreCoordinator/metadataForPersistentStore(with:)) Returns a dictionary that contains the metadata stored in the persistent store at the specified location. [`class func metadataForPersistentStore(ofType: String?, at: URL) throws -> [String : Any]`](/documentation/CoreData/NSPersistentStoreCoordinator/metadataForPersistentStore(ofType:at:)) Returns a dictionary containing the metadata stored in the persistent store at a given URL. [`class func metadataForPersistentStore(ofType: String, at: URL, options: [AnyHashable : Any]?) throws -> [String : Any]`](/documentation/CoreData/NSPersistentStoreCoordinator/metadataForPersistentStore(ofType:at:options:)) Returns the metadata of a specific type of persistent store at the provided location. [`class func registerStoreClass(AnyClass?, forStoreType: String)`](/documentation/CoreData/NSPersistentStoreCoordinator/registerStoreClass(_:forStoreType:)) Registers a persistent store subclass using the specified store type identifier. [`class func removeUbiquitousContentAndPersistentStore(at: URL, options: [AnyHashable : Any]?) throws`](/documentation/CoreData/NSPersistentStoreCoordinator/removeUbiquitousContentAndPersistentStore(at:options:)) Deletes all ubiquitous content for all peers for the persistent store at a given URL and also delete the local store file. [`class func setMetadata([String : Any]?, forPersistentStoreOfType: String?, at: URL) throws`](/documentation/CoreData/NSPersistentStoreCoordinator/setMetadata(_:forPersistentStoreOfType:at:)) Sets the metadata for a given store. [`class func setMetadata([String : Any]?, forPersistentStoreOfType: String, at: URL, options: [AnyHashable : Any]?) throws`](/documentation/CoreData/NSPersistentStoreCoordinator/setMetadata(_:forPersistentStoreOfType:at:options:)) Updates the metadata of a specific type of persistent store at the provided location. ### Deprecated instance methods [`func addPersistentStore(ofType: String, configurationName: String?, at: URL?, options: [AnyHashable : Any]?) throws -> NSPersistentStore`](/documentation/CoreData/NSPersistentStoreCoordinator/addPersistentStore(ofType:configurationName:at:options:)) Adds a specific type of persistent store at the provided location. [`func destroyPersistentStore(at: URL, ofType: String, options: [AnyHashable : Any]?) throws`](/documentation/CoreData/NSPersistentStoreCoordinator/destroyPersistentStore(at:ofType:options:)) Deletes a specific type of persistent store at the provided location. [`func importStore(withIdentifier: String?, fromExternalRecordsDirectoryAt: URL, to: URL, options: [AnyHashable : Any]?, ofType: String) throws -> NSPersistentStore`](/documentation/CoreData/NSPersistentStoreCoordinator/importStore(withIdentifier:fromExternalRecordsDirectoryAt:to:options:ofType:)) Creates and populates a store with the external records found at a given URL. [`func lock()`](/documentation/CoreData/NSPersistentStoreCoordinator/lock()) Attempts to acquire a lock. [`func migratePersistentStore(NSPersistentStore, to: URL, options: [AnyHashable : Any]?, withType: String) throws -> NSPersistentStore`](/documentation/CoreData/NSPersistentStoreCoordinator/migratePersistentStore(_:to:options:withType:)) Changes the location and, if necessary, the store type of the specified persistent store. [`func replacePersistentStore(at: URL, destinationOptions: [AnyHashable : Any]?, withPersistentStoreFrom: URL, sourceOptions: [AnyHashable : Any]?, ofType: String) throws`](/documentation/CoreData/NSPersistentStoreCoordinator/replacePersistentStore(at:destinationOptions:withPersistentStoreFrom:sourceOptions:ofType:)) Replaces one persistent store with another. [`func tryLock() -> Bool`](/documentation/CoreData/NSPersistentStoreCoordinator/tryLock()) Attempts to acquire a lock. [`func unlock()`](/documentation/CoreData/NSPersistentStoreCoordinator/unlock()) Relinquishes a previously acquired lock. [`func perform(() -> Void)`](/documentation/CoreData/NSPersistentStoreCoordinator/perform(_:)-7jqb) Executes the provided closure asynchronously on the coordinator’s queue. [`func performAndWait(() -> Void)`](/documentation/CoreData/NSPersistentStoreCoordinator/performAndWait(_:)-d3kq) Executes the provided closure on the coordinator’s queue and waits for it to finish. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)