/usr/lib/x86_64-linux-gnu/libvaladoc-0.40.so is in libvaladoc-0.40-dev 0.40.4-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libvaladoc-0.40.so.0.0.0
/usr/lib/x86_64-linux-gnu/libvaladoc-0.40.so.0.0.0