Very unlikely to get any response at all, especially in this forum category, but let me ping @danny for you anyway - maybe he’ll opt to chime in.
too lazy to search, but it’s been stated in the past by Roon officials, something like this isn’t possible.
Roon’s processing always exactly does what it says on the box, no hidden anything.
Better to use a 0dB frequency sweep test file - here’s a post of mine with a download link for everyone’s convenience.