/usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Window.2/qmldir is in qtdeclarative5-window-plugin 5.2.1-3ubuntu15.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | module QtQuick.Window
plugin windowplugin
classname QtQuick2WindowPlugin
typeinfo plugins.qmltypes
|