$ dpkg -L libgsettings-qt-dev
/.
/usr
/usr/include
/usr/include/x86_64-linux-gnu
/usr/include/x86_64-linux-gnu/qt5
/usr/include/x86_64-linux-gnu/qt5/QGSettings
/usr/include/x86_64-linux-gnu/qt5/QGSettings/QGSettings
/usr/include/x86_64-linux-gnu/qt5/QGSettings/qgsettings.h
/usr/lib
/usr/lib/x86_64-linux-gnu
/usr/lib/x86_64-linux-gnu/pkgconfig
/usr/lib/x86_64-linux-gnu/pkgconfig/gsettings-qt.pc
/usr/share
/usr/share/doc
/usr/share/doc/libgsettings-qt-dev
/usr/share/doc/libgsettings-qt-dev/copyright
/usr/lib/x86_64-linux-gnu/libgsettings-qt.so
/usr/share/doc/libgsettings-qt-dev/changelog.Debian.gz
jonas@jonas-xps:~/Work/Canonical/SystemSettings/wd$ ls -la parts/ubuntu-system-settings/install/usr/include/x86_64-linux-gnu/qt5/
total 304
drwxr-xr-x 20 jonas jonas  4096 Jul 27 14:11 .
drwxr-xr-x  7 jonas jonas  4096 Jul 27 14:11 ..
drwxr-xr-x  2 jonas jonas  4096 Sep  3 15:58 QtConcurrent
drwxr-xr-x  2 jonas jonas 77824 Sep  3 15:58 QtCore
drwxr-xr-x  2 jonas jonas 12288 Sep  3 15:58 QtDBus
drwxr-xr-x  2 jonas jonas 57344 Sep  3 15:58 QtGui
drwxr-xr-x  2 jonas jonas 20480 Sep  3 15:58 QtNetwork
drwxr-xr-x  2 jonas jonas  4096 Sep  3 15:58 QtOpenGLExtensions
drwxr-xr-x  2 jonas jonas  4096 Sep  3 15:58 QtPlatformHeaders
drwxr-xr-x  2 jonas jonas  4096 Sep  3 15:58 QtPrintSupport
drwxr-xr-x  2 jonas jonas 12288 Jul 27 14:11 QtQml
drwxr-xr-x  2 jonas jonas  4096 Jul 27 14:11 QtQmlDevTools
drwxr-xr-x  2 jonas jonas 12288 Jul 27 14:11 QtQuick
drwxr-xr-x  2 jonas jonas  4096 Jul 27 14:11 QtQuickParticles
drwxr-xr-x  2 jonas jonas  4096 Jul 27 14:11 QtQuickTest
drwxr-xr-x  2 jonas jonas  4096 Jul 27 14:11 QtQuickWidgets
drwxr-xr-x  2 jonas jonas  4096 Sep  3 15:58 QtSql
drwxr-xr-x  2 jonas jonas  4096 Sep  3 15:58 QtTest
drwxr-xr-x  2 jonas jonas 53248 Sep  3 15:58 QtWidgets
drwxr-xr-x  2 jonas jonas  4096 Sep  3 15:58 QtXml