/usr/share/aide/config/aide/aide.conf.d/31_aide_apt-show-versions is in aide-common 0.16~a2.git20130520-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | /var/cache/apt-show-versions/(files|ipackages|apackages)$ VarFile
/var/cache/apt-show-versions$ VarDir
|