[IR Ss4] Reorganizing Linked to Native Feature Definitions - Any Known Limitations?

We have two DGNLIB's setup for our Feature Definitions - one for Design and one for Survey. This was necessary due to the requirement that an XIN file must be linked twice, even though InRoads has supported features that could be Geometry, Surface and Survey.

In the Feature Definition DGNLIB, we have reorganized the Feature Definitions into categories, but have left the Survey Feature Definitions flat. Is there any known reasons why we cannot also reorganize the Survey Features into Categories as well? I don't want to start down this path and later find out that this will create an issue.