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  "title" : "Deprecated Symbols"
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# Deprecated Symbols

Review unsupported symbols and their replacements.

## Topics

### Deprecated classes

[`class CKDiscoverAllUserIdentitiesOperation`](/documentation/CloudKit/CKDiscoverAllUserIdentitiesOperation)

An operation that uses the device’s contacts to search for discoverable iCloud users.

[`class CKDiscoverUserIdentitiesOperation`](/documentation/CloudKit/CKDiscoverUserIdentitiesOperation)

An operation that uses the provided criteria to search for discoverable iCloud users.

[`class CKFetchRecordChangesOperation`](/documentation/CloudKit/CKFetchRecordChangesOperation)

An operation that reports on the changed and deleted records in the specified record zone.

### Deprecated type aliases

[`typealias CKContainer_Application_PermissionBlock`](/documentation/CloudKit/CKContainer_Application_PermissionBlock)

[`typealias CKContainer_Application_PermissionStatus`](/documentation/CloudKit/CKContainer_Application_PermissionStatus)

[`typealias CKContainer_Application_Permissions`](/documentation/CloudKit/CKContainer_Application_Permissions)

[`typealias CKRecord_Reference_Action`](/documentation/CloudKit/CKRecord_Reference_Action)

[`typealias CKShare_Participant_AcceptanceStatus`](/documentation/CloudKit/CKShare_Participant_AcceptanceStatus)

[`typealias CKShare_Participant_Permission`](/documentation/CloudKit/CKShare_Participant_Permission)

[`typealias CKShare_Participant_Role`](/documentation/CloudKit/CKShare_Participant_Role)


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