Man pages matching name extutils::installpaths in section 3pm:

ExtUtils::InstallPaths.3pm.en	debian 10 / libextutils-installpaths-perl
ExtUtils::InstallPaths.3pm.en	debian 11 / libextutils-installpaths-perl
ExtUtils::InstallPaths.3pm.en	debian 12 / libextutils-installpaths-perl