Man pages matching name bio::index::swissprot in section 3pm:

Bio::Index::Swissprot.3pm.en	debian 10 / libbio-perl-perl
Bio::Index::Swissprot.3pm.en	debian 11 / libbio-perl-perl
Bio::Index::Swissprot.3pm.en	debian 12 / libbio-perl-perl