Man pages matching name excel::writer::xlsx::package::contenttypes in section 3pm:

Excel::Writer::XLSX::Package::ContentTypes.3pm.en	debian 10 / libexcel-writer-xlsx-perl
Excel::Writer::XLSX::Package::ContentTypes.3pm.en	debian 11 / libexcel-writer-xlsx-perl
Excel::Writer::XLSX::Package::ContentTypes.3pm.en	debian 12 / libexcel-writer-xlsx-perl