Man pages matching name apache::session::serialize::json in section 3pm:

Apache::Session::Serialize::JSON.3pm.en	debian 10 / libapache-session-browseable-perl
Apache::Session::Serialize::JSON.3pm.en	debian 11 / libapache-session-browseable-perl
Apache::Session::Serialize::JSON.3pm.en	debian 12 / libapache-session-browseable-perl