https://manpages.ubuntu.com/manpages/xenial/man3/Perl::Critic::Policy::Variables::ProhibitPackageVars.3pm.html
Ubuntu Manpage: Perl::Critic::Policy::Variables::ProhibitPackageVars - Eliminate globals declared...
Eliminate globals declared with "our" or "use vars".
ubuntumanpageperlcriticpolicy