Man pages matching name class::accessor::children::fast in section 3pm:

Class::Accessor::Children::Fast.3pm.en	debian 10 / libclass-accessor-children-perl
Class::Accessor::Children::Fast.3pm.en	debian 11 / libclass-accessor-children-perl
Class::Accessor::Children::Fast.3pm.en	debian 12 / libclass-accessor-children-perl