sscruz

thanks for the pointer. Some additional changes to `pat::Muon` were needed, I've done them here https://github.com/sscruz/cmssw/commit/e041345e2563d5a39ac8752ed207475c2b024195. @vlimant could you cherry-pick this commit or let me know which IB or release...

> > I've done them here [sscruz@e041345](https://github.com/sscruz/cmssw/commit/e041345e2563d5a39ac8752ed207475c2b024195) > > is it obvious that other developers do not use the same pattern in the private code? It still seems to me...

@mariadalfonso these changes look also reasonable to me

thanks a lot for this @vlimant I personally would prefer the option in https://github.com/cms-sw/cmssw/compare/CMSSW_12_4_X...vlimant:cmssw:nano_change_for_nano_muon_masks, since it is much cleaner. This shouldn't have an impact in users code that is using...

It looks good for us (MUO)