Is there a way to have 3rd party stem files save to collection like the traktor ones?

If you were to create stem files in something like nuo stems (mainly for the purpose of doing large batches of separation) is there a way to add the files back into traktor without it being a duplicate? when you generate stems in traktor it seems to not get rid of the unstemmed version but displays it as a single file in the collection with the chain link icon next to it. Is there a way to achieve that outside of the internal processing?