Man pages matching name moosex::mungehas in section 3pm:

MooseX::MungeHas.3pm.en	debian 10 / libmoosex-mungehas-perl
MooseX::MungeHas.3pm.en	debian 11 / libmoosex-mungehas-perl
MooseX::MungeHas.3pm.en	debian 12 / libmoosex-mungehas-perl