code: public JQMListDivider findDivider(String text) {
          for (int k = 0; k < list.getWidgetCount(); k++) {
              Widget w = list.getWidget(k);
              if (isDivider(w) && w.getElement().getInnerText().equals(text)) {
                  return (JQMListDivider) w;
              }
          }
          return null;
      }
docs: Find the divider with the given text. This method will search all the dividers and return the first divider
  found with the given text.
  
  @return the divider with the given text (if found, or null otherwise).