How do you tag bus lanes?

https://taghistory.raifer.tech/#***/bus%3Alanes/&***/lanes%3Apsv/&***/psv%3Alanes/&***/lanes%3Abus/&***/busway/

• https://wiki.openstreetmap.org/wiki/Key:bus:lanes
• https://wiki.openstreetmap.org/wiki/Key:lanes:psv
• https://wiki.openstreetmap.org/wiki/Key:psv:lanes
• https://wiki.openstreetmap.org/wiki/Key:busway

I use psv:lanes, but there are no real bus lanes here, it's called buslane, but law says taxis can also use it.