/usr/ is in libxfce4util-dev 4.10.1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libxfce4util-dev/changelog.gz
/usr/share/gtk-doc/
/usr/share/gtk-doc/html/
/usr/share/gtk-doc/html/libxfce4util/
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/libxfce4util-1.0.pc
/usr/include/
/usr/include/xfce4/
/usr/include/xfce4/libxfce4util/
/usr/include/xfce4/libxfce4util/xfce-kiosk.h
/usr/include/xfce4/libxfce4util/xfce-license.h
/usr/include/xfce4/libxfce4util/xfce-miscutils.h
/usr/include/xfce4/libxfce4util/xfce-utf8.h
/usr/include/xfce4/libxfce4util/xfce-rc.h
/usr/include/xfce4/libxfce4util/xfce-debug.h
/usr/include/xfce4/libxfce4util/xfce-resource.h
/usr/include/xfce4/libxfce4util/xfce-posix-signal-handler.h
/usr/include/xfce4/libxfce4util/libxfce4util-config.h
/usr/include/xfce4/libxfce4util/xfce-fileutils.h
/usr/include/xfce4/libxfce4util/xfce-generics.h
/usr/include/xfce4/libxfce4util/xfce-i18n.h
/usr/include/xfce4/libxfce4util/libxfce4util.h
/usr/share/
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/usr/share/doc/libxfce4util-dev/
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/usr/share/doc/libxfce4util-dev/copyright
/usr/share/doc/libxfce4util-dev/changelog.Debian.gz
/usr/share/doc/libxfce4util-dev/TODO
/usr/share/gtk-doc/html/libxfce4util/up.png
/usr/share/gtk-doc/html/libxfce4util/style.css
/usr/share/gtk-doc/html/libxfce4util/libxfce4util-POSIX-Signal-Handling.html
/usr/share/gtk-doc/html/libxfce4util/libxfce4util-Xfce-Generics.html
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/usr/share/gtk-doc/html/libxfce4util/index.html
/usr/share/gtk-doc/html/libxfce4util/libxfce4util-Version-Information.html
/usr/share/gtk-doc/html/libxfce4util/libxfce4util-core.html
/usr/share/gtk-doc/html/libxfce4util/libxfce4util-Software-Licenses.html
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/usr/lib/x86_64-linux-gnu/libxfce4util.so