Companion

Allow another message bus connection to claim the name.

If another message bus connection owns the name, immediately return an error from g_bus_own_name() rather than entering the waiting queue for that name. (Since 2.54)

No flags set.

If another message bus connection owns the name and have specified %G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT, then take the name from the other connection.

Get the GType of BusNameOwnerFlags