/usr/ is in libbluedevil-dev 2.0~rc1really1.9.4-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/libbluedevil-dev/
/usr/share/doc/libbluedevil-dev/copyright
/usr/include/
/usr/include/bluedevil/
/usr/include/bluedevil/bluedevil.h
/usr/include/bluedevil/bluedevildevice.h
/usr/include/bluedevil/bluedevil_export.h
/usr/include/bluedevil/bluedevilutils.h
/usr/include/bluedevil/bluedevilmanager.h
/usr/include/bluedevil/bluedeviladapter.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/bluedevil.pc
/usr/share/doc/libbluedevil-dev/changelog.Debian.gz
/usr/lib/x86_64-linux-gnu/libbluedevil.so