docs: protected void setGhostValue(I_CmsFormField field, String value, boolean ghostMode) {
  
          I_CmsFormWidget widget = field.getWidget();
          if ((widget instanceof I_CmsHasGhostValue) && (value != null)) {
              ((I_CmsHasGhostValue)widget).setGhostValue(value, ghostMode);
          }
      }