Primary: Fill/Secondary: just not X

I'm a relatively new player and have been amusing myself with gamemodes like ARAM and the currently running ARURF. Mainly to build up some blue essence and gathering the champs I have fun playing and try to get better at. It's a slow process but I feel like I'm going to dabble into some summoners rift(normal) games soon.

Now I don't really have a preffered role yet so when I get access to draft pick with a decent champ pool, I'm planning on filling to try out what suites me best. The only thing I'm certain off is that right now, it's not jungle. So it would be amazing for me personally to be able to pick my primary role as Fill and then use the secondary role to indicate I don't want Jungle.

I have seen some old topics about this, and most complaints seem to be that alot of people will just put "Don't want Support" and this will negatively affect queue times. Perhaps by re-enabling autofill for people that use the "Don't want" option (and putting a warning of this before starting the queue) it will not impact queue times too hard, while people that don't want to play a more popular role get to dodge that one more frequently.

As I've only seen a few topics about this, all without too many responses, I'm not sure how heavy this will be requested from the community, but I still feel like it will appeal to a decent amount of people, such as perhaps those that just want to practise other roles besides their main.