/usr/lib/x86_64-linux-gnu/libts.so is in libts-dev 1.15-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libts.so.0.9.0
/usr/lib/x86_64-linux-gnu/libts.so.0.9.0