/usr/lib/x86_64-linux-gnu/libusbauth-configparser.so is in libusbauth-configparser-dev 1.0~git20180214-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libusbauth-configparser.so.1.0.0