The type of CSV file to export

This will exclude from the export currently deprecated elements.

This will exclude from the export inferred elements materialized by the Registry.

The default language is en

Additional language column included for populating each literal attribute

This will include most of the previously deleted element properties in the export.
This isn't a complete 'undo' feature. It simply puts properties that have been deleted back in the exported data.
It's primary utility is to recover properties that were deleted by misteak in the last import.
THIS HAS NO EFFECT ON RDF EXPORT!! Deleted properties are never included in the RDF.