Man pages matching name poe::component::rssaggregator in section 3pm:

POE::Component::RSSAggregator.3pm.en	debian 10 / libpoe-component-rssaggregator-perl
POE::Component::RSSAggregator.3pm.en	debian 11 / libpoe-component-rssaggregator-perl
POE::Component::RSSAggregator.3pm.en	debian 12 / libpoe-component-rssaggregator-perl