No, they don't. The props don't need one.
The problems with trans mapped lashes on
Posette are, the lashes were not designed to be used with a trans map (it's P3 mesh) and the original UV for them is so small, you'd need an 12000x12000 map to get this area mapped hi res.
PitKlad fixed this with his Nea by remapping the lashes an adding a second material to them to make part of them completely invidible. This solved part of the problems, but the mesh itself is quite low poly, still.
So even nowadays the best solution can be using Yamato's props