Man pages matching name data::stag::basegenerator in section 3pm:

Data::Stag::BaseGenerator.3pm.en	debian 10 / libdata-stag-perl
Data::Stag::BaseGenerator.3pm.en	debian 11 / libdata-stag-perl
Data::Stag::BaseGenerator.3pm.en	debian 12 / libdata-stag-perl