/usr/lib/x86_64-linux-gnu/libspooles.so is in libspooles-dev 2.2-10build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libspooles.so.2.2
/usr/lib/x86_64-linux-gnu/libspooles.so.2.2