Man pages matching name catalyst::authentication::user in section 3pm:

Catalyst::Authentication::User.3pm.en	debian 10 / libcatalyst-plugin-authentication-perl
Catalyst::Authentication::User.3pm.en	debian 11 / libcatalyst-plugin-authentication-perl
Catalyst::Authentication::User.3pm.en	debian 12 / libcatalyst-plugin-authentication-perl