Man pages matching name catmandu::filestore in section 3pm:

Catmandu::FileStore.3pm.en	debian 10 / libcatmandu-filestore-perl
Catmandu::FileStore.3pm.en	debian 11 / libcatmandu-filestore-perl
Catmandu::FileStore.3pm.en	debian 12 / libcatmandu-filestore-perl