/usr/lib/x86_64-linux-gnu/libbabl-0.1.so is in libbabl-dev 0.1.44-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libbabl-0.1.so.0.143.1
/usr/lib/x86_64-linux-gnu/libbabl-0.1.so.0.143.1