usr/lib/dpkg/methods/apt
etc/apt
etc/apt/apt.conf.d
+etc/apt/preferences.d
etc/apt/sources.list.d
+etc/logrotate.d
var/cache/apt/archives/partial
var/lib/apt/lists/partial
var/lib/apt/periodic
+var/log/apt
usr/share/bug/apt
+usr/share/lintian/overrides