@Override
 public Collection<ChangeSet> findAllChangeSetsByUserGuid(
     final String userGuid, final LoadTuner loadTuner) {
   Collection<ChangeSet> changeSets = changeSetDao.findAllChangeSetsByUserGuid(userGuid);
   for (ChangeSet changeSet : changeSets) {
     addMemberObjectsToChangeSet(changeSet, loadTuner);
   }
   return changeSets;
 }