code: public static <S extends HasAttachHandlers> boolean fire(S source, GroupRowData data) {
          if (TYPE != null) {
              JQMDataTableGroupRowEvent event = new JQMDataTableGroupRowEvent(data);
              source.fireEvent(event);
              return event.isStopDfltClick();
          }
          return false;
      }
docs: Fires an {@link JQMDataTableGroupRowEvent} on all registered handlers in the handler source.
  
  @param <S> The handler source type
  @param source - the source of the handlers
  @return - true means default click processing must be suppressed/skipped.