/usr/ is in libxkbfile-dev 1:1.0.9-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/X11/
/usr/include/X11/extensions/
/usr/include/X11/extensions/XKMformat.h
/usr/include/X11/extensions/XKBrules.h
/usr/include/X11/extensions/XKBbells.h
/usr/include/X11/extensions/XKBfile.h
/usr/include/X11/extensions/XKBconfig.h
/usr/include/X11/extensions/XKM.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/xkbfile.pc
/usr/lib/x86_64-linux-gnu/libxkbfile.a
/usr/share/
/usr/share/doc/
/usr/share/doc/libxkbfile-dev/
/usr/share/doc/libxkbfile-dev/copyright
/usr/lib/x86_64-linux-gnu/libxkbfile.so
/usr/share/doc/libxkbfile-dev/changelog.Debian.gz