/usr/ is in libnabrit-dev 0.5.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/
/usr/include/
/usr/include/NASPRO/
/usr/include/NASPRO/brit-3/
/usr/include/NASPRO/brit-3/NASPRO/
/usr/include/NASPRO/brit-3/NASPRO/brit/
/usr/include/NASPRO/brit-3/NASPRO/brit/plugin.h
/usr/include/NASPRO/brit-3/NASPRO/brit/manifest.h
/usr/include/NASPRO/brit-3/NASPRO/brit/lib.h
/usr/include/NASPRO/brit-3/NASPRO/brit/port.h
/usr/include/NASPRO/brit-3/NASPRO/brit/bridge.h
/usr/include/NASPRO/brit-3/NASPRO/brit/preset.h
/usr/include/NASPRO/brit-3/NASPRO/brit/pluglib.h
/usr/include/NASPRO/brit-3/NASPRO/brit/util.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/pkgconfig/nabrit-3.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libnabrit-dev/
/usr/share/doc/libnabrit-dev/copyright
/usr/lib/x86_64-linux-gnu/libnabrit.so
/usr/share/doc/libnabrit-dev/changelog.Debian.gz