Now for some heuristics :)
* Scan dist for meta-2 phase-requirements
* mro -> RuntimeRequires
* MRO::Compat -> RuntimeRecommends
* Check module for perl-minversion (pmv)
* skip pmv if ( pmv blame = require mro; -> 5.010 && module contains MRO::Compat )
* if output format meta-1.x recast MRO::Compat to requires (RuntimeRequires)