Help understanding MacOS filesystem

Hi everyone. I’m developing a lib to make filesystem snapshots and am trying to add support for MacOS. I could make it work, but I can’t really understand how MacOS handles the drives/mount points. So, I’m asking here for help.

What I need is that someone that has more than one APFS disk mounted runs the command:
diskutil list -plist | plutil -convert json -o - -
and posts here the result.

Thanks a lot,