I'm honestly in the sake on if, and I mean, if, they keep anything from Rockit for a redo; it'd be the load station, the transfer track area, and the vertical lift.
Outside of that, make it a new layout done by Intamin. They are launching their first vertical launched LSM coaster, wouldn't be out there if Universal would play ball after the successful string of Velocicoaster and Hagrids in the two year period.