/usr/ is in libgoa-backend-1.0-dev 3.10.3-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/goa-backend-1.0.pc
/usr/include/
/usr/include/goa-1.0/
/usr/include/goa-1.0/goabackend/
/usr/include/goa-1.0/goabackend/goabackendenums.h
/usr/include/goa-1.0/goabackend/goaprovider.h
/usr/include/goa-1.0/goabackend/goabackendenumtypes.h
/usr/include/goa-1.0/goabackend/goabackend.h
/usr/include/goa-1.0/goabackend/goabackendtypes.h
/usr/share/
/usr/share/doc/
/usr/share/doc/libgoa-backend-1.0-dev/
/usr/share/doc/libgoa-backend-1.0-dev/copyright
/usr/lib/x86_64-linux-gnu/libgoa-backend-1.0.so
/usr/share/doc/libgoa-backend-1.0-dev/NEWS.gz
/usr/share/doc/libgoa-backend-1.0-dev/README
/usr/share/doc/libgoa-backend-1.0-dev/changelog.Debian.gz