This file is indexed.

/usr/share/app-install/channels/xenial-partner.eula is in app-install-data-partner 16.04.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

1
2
3
The Ubuntu 16.04 partner channel contains applications that are
available for Ubuntu from third-party software partners for the 16.04
release.