Indoor routing test

Indoor routing test
I was wondering if OSM can do indoor routing? I have tried to read through their wiki pages but none involving indoor routing. Unless I missed something here?

There was a thread about it once, please check it:

https://forum.openstreetmap.org/viewtopic.php?pid=507511

there are also some projects to check:

https://wiki.openstreetmap.org/wiki/Indoor_Mapping#Indoor_map_projects