NSPersistentStoreFileProtectionKey
Key to represent the protection class for the persistent store.
Declaration
let NSPersistentStoreFileProtectionKey: StringDiscussion
Backward compatibility may preclude some features. The acceptable values are those defined for the protectionKey. The default value is completeUntilFirstUserAuthentication for all applications built on or after iOS v5.0. The default value for all older applications is none.