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For the situations where only A versioned record without a single value needs version tracking, and not a whole set of them, _RECORD_KEY chould have the @_RECORD_KEY@ could be explicitly set to @None@. The [[Model#VersionedRecord]] would then exhibit the following behaviour:

* When loading, it would return the record with the highest heighest autoincrement primary key value ID
* When saving a change, it would insert a new record, using the autoincrement primary key field with a new highest auto incremented ID.

This could be usefull for versioned settings/config tables.