Man pages matching name net::server::coro in section 3pm:

Net::Server::Coro.3pm.en	debian 10 / libnet-server-coro-perl
Net::Server::Coro.3pm.en	debian 11 / libnet-server-coro-perl
Net::Server::Coro.3pm.en	debian 12 / libnet-server-coro-perl