docs: @Override
      public java.util.Iterator findMemberGroups(IEntityGroup group) throws GroupsException {
          String[] keys = findMemberGroupKeys(group); // No foreign groups here.
          List groups = new ArrayList(keys.length);
          for (int i = 0; i < keys.length; i++) {
              groups.add(find(keys[i]));
          }
          return groups.iterator();
      }