public static Chart findChart(ReportDesignHandle design) {
    SlotHandle sh = design.getBody();
    Iterator<?> it = sh.iterator();
    while (it.hasNext()) {
      DesignElementHandle de = (DesignElementHandle) it.next();
      DesignElement element = de.getElement();
      if (element instanceof ExtendedItem) {
        ExtendedItem ext = (ExtendedItem) element;
        // How do see that this is a chart?
      }
    }
    return null;
  }