/usr/lib/x86_64-linux-gnu/qt5/qml/ is in kwin-common 4:5.12.4-0ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/qt5/qml/org/
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kwin/
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kwin/decoration/
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kwin/decoration/AppMenuButton.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kwin/decoration/ButtonGroup.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kwin/decoration/Decoration.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kwin/decoration/DecorationButton.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kwin/decoration/MenuButton.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kwin/decoration/libdecorationplugin.so
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kwin/decoration/qmldir
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kwin/decorations/
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kwin/decorations/plastik/
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kwin/decorations/plastik/libplastikplugin.so
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kwin/decorations/plastik/qmldir
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kwin/private/
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kwin/private/kdecoration/
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kwin/private/kdecoration/libkdecorationprivatedeclarative.so
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kwin/private/kdecoration/qmldir