https://lxr.kde.org/source/frameworks/kio/templates/kioworker6/
/kf6-qt6/frameworks/kio/templates/kioworker6/
KDE Source Cross Reference
frameworkskiotemplates
https://lxr.kde.org/source/frameworks/kio/docs/kioworker6/?v=stable-kf6-qt6
/stable-kf6-qt6/frameworks/kio/docs/kioworker6/
KDE Source Cross Reference
stableframeworkskiodocs