This file is indexed.

/usr/src/linux-headers-4.15.0-46-lowlatency/lib is in linux-headers-4.15.0-46-lowlatency 4.15.0-46.49~16.04.1.

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

It is a symlink to /usr/src/linux-headers-4.15.0-46-lowlatency/../linux-headers-4.15.0-46/lib