/usr/share/cli-common/packages.d/libnini1.1-cil.installcligac is in libnini1.1-cil 1.1.0+dfsg.2-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1
/usr/lib/cli/Nini-1.1/Nini.dll