Man pages matching name getopt::usaginator in section 3pm:

Getopt::Usaginator.3pm.en	debian 10 / libgetopt-usaginator-perl
Getopt::Usaginator.3pm.en	debian 11 / libgetopt-usaginator-perl
Getopt::Usaginator.3pm.en	debian 12 / libgetopt-usaginator-perl