/usr/ is in libfwupd-dev 0.7.0-0ubuntu4.
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/fwupd.pc
/usr/include/
/usr/include/fwupd-1/
/usr/include/fwupd-1/fwupd.h
/usr/include/fwupd-1/libfwupd/
/usr/include/fwupd-1/libfwupd/fwupd-version.h
/usr/include/fwupd-1/libfwupd/fwupd-result.h
/usr/include/fwupd-1/libfwupd/fwupd-enums.h
/usr/include/fwupd-1/libfwupd/fwupd-client.h
/usr/include/fwupd-1/libfwupd/fwupd-error.h
/usr/share/
/usr/share/gir-1.0/
/usr/share/gir-1.0/Fwupd-1.0.gir
/usr/share/doc/
/usr/share/doc/libfwupd-dev/
/usr/share/doc/libfwupd-dev/copyright
/usr/lib/x86_64-linux-gnu/libfwupd.so
/usr/share/doc/libfwupd-dev/changelog.Debian.gz