/usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Scene3D/qmldir is in qml-module-qtquick-scene3d 5.7.1+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | module QtQuick.Scene3D
plugin qtquickscene3dplugin
classname QtQuickScene3DPlugin
|