/usr/ is in kwin-dev 4:5.12.4-0ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/kwin-dev/
/usr/include/
/usr/include/kwin_export.h
/usr/include/kwinanimationeffect.h
/usr/include/kwinconfig.h
/usr/include/kwineffects.h
/usr/include/kwineffects_export.h
/usr/include/kwinglobals.h
/usr/include/kwinglplatform.h
/usr/include/kwingltexture.h
/usr/include/kwinglutils.h
/usr/include/kwinglutils_export.h
/usr/include/kwinglutils_funcs.h
/usr/include/kwinxrenderutils.h
/usr/include/kwinxrenderutils_export.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/KWinDBusInterface/
/usr/lib/x86_64-linux-gnu/cmake/KWinDBusInterface/KWinDBusInterfaceConfig.cmake
/usr/share/
/usr/share/dbus-1/
/usr/share/dbus-1/interfaces/
/usr/share/dbus-1/interfaces/org.kde.KWin.xml
/usr/share/dbus-1/interfaces/org.kde.kwin.ColorCorrect.xml
/usr/share/dbus-1/interfaces/org.kde.kwin.Compositing.xml
/usr/share/dbus-1/interfaces/org.kde.kwin.Effects.xml
/usr/share/doc/
/usr/share/doc/kwin-dev/copyright
/usr/lib/x86_64-linux-gnu/libkwin4_effect_builtins.so
/usr/lib/x86_64-linux-gnu/libkwineffects.so
/usr/lib/x86_64-linux-gnu/libkwinglutils.so
/usr/lib/x86_64-linux-gnu/libkwinxrenderutils.so
/usr/share/doc/kwin-dev/changelog.Debian.gz