This file is indexed.

/usr/lib/x86_64-linux-gnu/libcinnamon-menu-3.so is in libcinnamon-menu-3-dev 2.2.0-3.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/lib/x86_64-linux-gnu/libcinnamon-menu-3.so.0.0.1