Man pages matching name poe::component::jabber::protocol in section 3pm:

POE::Component::Jabber::Protocol.3pm.en	debian 10 / libpoe-component-jabber-perl
POE::Component::Jabber::Protocol.3pm.en	debian 11 / libpoe-component-jabber-perl
POE::Component::Jabber::Protocol.3pm.en	debian 12 / libpoe-component-jabber-perl