/usr/share/doc/libupsclient-dev/TODO.gz is in libupsclient-dev 2.7.1-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libupsclient-dev/../libupsclient3/TODO.gz
/usr/share/doc/libupsclient-dev/../libupsclient3/TODO.gz