/usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Keyboard/qmldir is in qtdeclarative5-ubuntu-keyboard-extensions0.1 0.99.trunk.phablet2+16.04.20160226.1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | module Ubuntu.Keyboard
plugin ubuntu-keyboard-qml
|