Man pages matching name svn::notify::mirror::configdata in section 3pm:

SVN::Notify::Mirror::ConfigData.3pm.en	debian 10 / libsvn-notify-mirror-perl
SVN::Notify::Mirror::ConfigData.3pm.en	debian 11 / libsvn-notify-mirror-perl
SVN::Notify::Mirror::ConfigData.3pm.en	debian 12 / libsvn-notify-mirror-perl