Man pages matching name cgi::cookie::splitter in section 3pm:

CGI::Cookie::Splitter.3pm.en	debian 10 / libcgi-cookie-splitter-perl
CGI::Cookie::Splitter.3pm.en	debian 11 / libcgi-cookie-splitter-perl
CGI::Cookie::Splitter.3pm.en	debian 12 / libcgi-cookie-splitter-perl