/usr/lib/x86_64-linux-gnu/libcollection.so is in libcollection-dev 0.6.1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libcollection.so.4.1.1
/usr/lib/x86_64-linux-gnu/libcollection.so.4.1.1