/usr/ is in libkqoauth-dev 0.98-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/kqoauth.pc
/usr/lib/x86_64-linux-gnu/libkqoauth.prl
/usr/share/
/usr/share/doc/
/usr/share/doc/libkqoauth-dev/
/usr/share/doc/libkqoauth-dev/README.md
/usr/share/doc/libkqoauth-dev/copyright
/usr/share/doc/libkqoauth-dev/README.gz
/usr/include/
/usr/include/QtKOAuth/
/usr/include/QtKOAuth/kqoauthrequest_xauth.h
/usr/include/QtKOAuth/kqoauthmanager.h
/usr/include/QtKOAuth/kqoauthrequest_1.h
/usr/include/QtKOAuth/kqoauthglobals.h
/usr/include/QtKOAuth/QtKOAuth
/usr/include/QtKOAuth/kqoauthrequest.h
/usr/lib/x86_64-linux-gnu/libkqoauth.so
/usr/share/doc/libkqoauth-dev/changelog.Debian.gz