Man pages matching name class::accessor::chained in section 3pm:

Class::Accessor::Chained.3pm.en	debian 10 / libclass-accessor-chained-perl
Class::Accessor::Chained.3pm.en	debian 11 / libclass-accessor-chained-perl
Class::Accessor::Chained.3pm.en	debian 12 / libclass-accessor-chained-perl