Hi Chris --
Please forgive me if I've misunderstood your question.
Yamaha uses the term "effect type", but I prefer to separate a DSP effect into its algorithm (code) and parameter values. I think of a set of specific parameter values as an "effect preset". algorithm + parameter values = behavior
So, if you look at the Reverb Effect Type list (tab) in the so-called data list spreadsheet, you'll see 26 REVelation effect presets, e.g., REVelation Medium Hall. They all use the same REVelation algorithm. Every preset has selection values: MSB and LSB. In the case of REVelation Medium Hall, the selection values are 25/0, respectively.
During conversion, I replaced the REVelation (and multiband compressor) selection values with the selection values associated with a (roughly) equivalent REAL REVERB preset. In the case of REVelation Medium Hall, I used the "Real Medium Hall +" preset.
If you want to, you can explore the effect assignments through the Genos Mixer.
Hope this answers your question -- pj