Final checklist

• I know how to properly use check boxes
• [x ] I have not used any OwO's or UwU's in this issue.

so how do you avoid caves

You can't, but you can avoid mobs. The 4 settings are described here https://baritone.leijurv.com/baritone/api/Settings.html#avoidance

Then this should be a feature request

Actually technically you can @S-B99 at least in 1.13+

Thanks to mojang separating air to also have CAVE_AIR, you can set this as a block to avoid
@Kruemmelspalter

Ohhh no I misread your thing. That's right.