As discussed in this thread on kde-pim
<a href="http://lists.kde.org/?t=118846295900003&r=1&w=2">http://lists.kde.org/?t=118846295900003&r=1&w=2</a>;

distribution lists should be handled by the resources instead of needing a separate manager class/infrastructure.

This is mainly the API and runtime list managment, the I/O needs yet to be added to the resource plugins.

Tobias agrees with committing:
<a href="http://lists.kde.org/?l=kde-pim&m=119140549506170&w=2">http://lists.kde.org/?l=kde-pim&m=119140549506170&w=2</a>;