Man pages matching name sub::exporter::formethods in section 3pm:

Sub::Exporter::ForMethods.3pm.en	debian 10 / libsub-exporter-formethods-perl
Sub::Exporter::ForMethods.3pm.en	debian 11 / libsub-exporter-formethods-perl
Sub::Exporter::ForMethods.3pm.en	debian 12 / libsub-exporter-formethods-perl