/usr/lib/x86_64-linux-gnu/libkqoauth.so is in libkqoauth-dev 0.98-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libkqoauth.so.0.97.0
/usr/lib/x86_64-linux-gnu/libkqoauth.so.0.97.0