code: private void processConfigProps(Map<String, Object> props) {
          if (props == null || props.isEmpty())
              return;
          id = (String) props.get(CFG_KEY_ID);
          if (id == null) {
              Tr.error(tc, "AUTHZ_ROLE_ID_IS_NULL");
              return;
          }
          rolePids = (String[]) props.get(CFG_KEY_ROLE);
  //        if (rolePids == null || rolePids.length < 1)
  //            return;
          processRolePids();
      }
docs: Process the sytemRole properties from the server.xml.
  
  @param props