not sure if you still want this, but here it is:
ls -Orbitlake /Volumes
total 4
2 drwxrwxr-t 34 root admin - 1224 Nov 9 22:06 ..
18101545 lrwxr-xr-x 1 root admin - 1 Feb 17 17:36 Macintosh HD -> /
16112489 drwxrwxrwt@ 3 root admin hidden 102 Feb 17 18:41 .
0: group:everyone deny add_file,add_subdirectory,directory_inherit,only_inherit
find /var/db/receipts -name '*.bom' |
> while read x; do if lsbom -p MUGsf "$x" |
> grep '/Volumes$'; then echo "$x"; echo; fi; done
drwxrwxrwt root admin ./Volumes
/var/db/receipts/com.apple.pkg.BaseSystem.bom
find /var/db/receipts -name '*.plist' |
> while read x; do defaults read "${x%%.plist}" |
> grep '/Volumes$' && echo "$x"; done
nothing.