Man pages matching name class::method::modifiers in section 3pm:

Class::Method::Modifiers.3pm.en	debian 10 / libclass-method-modifiers-perl
Class::Method::Modifiers.3pm.en	debian 11 / libclass-method-modifiers-perl
Class::Method::Modifiers.3pm.en	debian 12 / libclass-method-modifiers-perl