@Override
 protected List<ModificationItem> storeDiffs(
     ApplicationEntity a, ApplicationEntity b, String deviceDN, List<ModificationItem> mods) {
   super.storeDiffs(a, b, deviceDN, mods);
   storeDiff(
       mods,
       "dcmAcceptedCallingAETitle",
       a.getAcceptedCallingAETitles(),
       b.getAcceptedCallingAETitles());
   return mods;
 }
 @Override
 protected Attributes storeTo(ApplicationEntity ae, String deviceDN, Attributes attrs) {
   super.storeTo(ae, deviceDN, attrs);
   storeNotEmpty(attrs, "dcmAcceptedCallingAETitle", ae.getAcceptedCallingAETitles());
   return attrs;
 }