Transition Guidelines for GroundHeatExchanger from EP Version 8.8 to 8.9

In EnergyPlus 8.9, the file "Rules8-8-0-to-8-9-0.md" does not include transition guidelines for previous versions of GroundHeatExchanger to the new GroundHeatExchanger structure. Is anyone aware of a location where this information is published?

You can find this information in the source code of the Transition subproject. It's written in fortan 90, and the relevant section is at CreateNewIDFUsingRulesV8_9_0.f90#L391:L462.

It should be quite readable. I started mapping stuff to give you a concrete example, it should be self-explanatory for the rest. I got bored so I didn't do the two objects left (I stopped on line 425):