I don't think I've ever interviewed from the same angle but I have been clear with my managers that I want to avoid moving into any sort of people management. It hasn't been an issue and when you've marked yourself out as a long term developer you can get more momentum behind technical pushes that might have a long project lifetime since the company will be less concerned about putting a big weight in your hands - they can trust you to carry it through[1].

1. I mean - assuming no life changes which you should never feel guilty about making to suit your own interests.