/usr/share/doc/libglib2.0-dev/AUTHORS is in libglib2.0-dev 2.40.0-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libglib2.0-dev/../libglib2.0-0/AUTHORS
/usr/share/doc/libglib2.0-dev/../libglib2.0-0/AUTHORS