/usr/ is in libxapp-dev 1.0.4-2fakesync1.
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..
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/include/
/usr/include/xapp/
/usr/include/xapp/libxapp/
/usr/include/xapp/libxapp/xapp-gtk-window.h
/usr/include/xapp/libxapp/xapp-kbd-layout-controller.h
/usr/include/xapp/libxapp/xapp-monitor-blanker.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/pkgconfig/xapp.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libxapp-dev/
/usr/share/doc/libxapp-dev/copyright
/usr/share/gir-1.0/
/usr/share/gir-1.0/XApp-1.0.gir
/usr/share/glade/
/usr/share/glade/catalogs/
/usr/share/glade/catalogs/xapp-glade-catalog.xml
/usr/share/vala/
/usr/share/vala/vapi/
/usr/share/vala/vapi/xapp.vapi
/usr/lib/x86_64-linux-gnu/libxapp.so
/usr/share/doc/libxapp-dev/changelog.Debian.gz