Man pages matching name catalyst::authentication::realm::simpledb in section 3pm:

Catalyst::Authentication::Realm::SimpleDB.3pm.en	debian 10 / libcatalyst-authentication-store-dbix-class-perl
Catalyst::Authentication::Realm::SimpleDB.3pm.en	debian 11 / libcatalyst-authentication-store-dbix-class-perl
Catalyst::Authentication::Realm::SimpleDB.3pm.en	debian 12 / libcatalyst-authentication-store-dbix-class-perl