Of dubious utility…
This application does not show how to get from international terminals to domestic terminals. This would be a major surprise to passengers arriving at Sydney Australia international wanting to catch a domestic flight as the domestic terminal is several kilometers away in a completely different building, with no pedestrian access between the two. I believe this would be the same for many other airports around the world, however I can’t check that claim as this application doesn’t show how to get from terminal to terminal...