CloudKit short lived records

Hi,


Does anyone know if it's possible to implement short lived records using CloudKit? I note the following paragraph from the Apple research paper on CloudKit:


Another ex- ample is the implementation of short-lived records – an application can set (or change) a TTL on a record, CloudKit indexes records by expiration time and a maintenance job garbage-collects expired records by querying the index. Applications can configure whether expired records that were not yet garbage-collected are visible to users.


As far as I can tell, this functionality hasn't been made public and is only for internal first-party use by Apple?


Thanks.