code: public void getGroups(String startFrom, boolean forward, Collection<Recipient> result) {
          List<String> lst = broker.callRPCList("RGUTRPC FILGET", null, 3.8, startFrom, forward ? 1 : -1, MG_SCREEN, 40);
          toRecipients(lst, true, startFrom, result);
      }
docs: Returns a bolus of mail groups.
  
  @param startFrom Starting entry.
  @param forward Direction of traversal.
  @param result Result of lookup.