CKDatabase.DatabaseChange.Deletion.Reason Constants that represent why a record zone was deleted. Declarationenum Reason TopicsEnumeration CasesCKDatabase.DatabaseChange.Deletion.Reason.deletedCKDatabase.DatabaseChange.Deletion.Reason.encryptedDataResetCKDatabase.DatabaseChange.Deletion.Reason.purged RelationshipsConforms ToCopyableEquatableEscapableHashableSendableSendableMetatype