Man pages matching name apache::authcookie::params::cgi in section 3pm:

Apache::AuthCookie::Params::CGI.3pm.en	debian 10 / libapache2-authcookie-perl
Apache::AuthCookie::Params::CGI.3pm.en	debian 11 / libapache2-authcookie-perl
Apache::AuthCookie::Params::CGI.3pm.en	debian 12 / libapache2-authcookie-perl