Lutron GRX-CI-PRG

I’ve got, somewhat rare, Lutron GRX-CI-PRG (provides two-way IP access to the old Graphik Eye 3000/4000 series [ie you can modify zones and if a zone is modified via a keypad, get a callback on the change) that I will be creating a binding.

First - I’m not sure if it’s useful enough to contribute or not.
Second - if I do contribute it, I’m not sure whether to modify the current lutron binding to support it or create a separate one (LutronCiPrg?) to support it?

What’s the best approach?

Thanks,
Tim