docs: @Override
      public Iterator findMembers(IEntityGroup eg) throws GroupsException {
          Collection members = new ArrayList(10);
          Iterator it = null;
  
          for (it = findMemberGroups(eg); it.hasNext(); ) {
              members.add(it.next());
          }
          for (it = findMemberEntities(eg); it.hasNext(); ) {
              members.add(it.next());
          }
  
          return members.iterator();
      }