code: public static CmsResource createModelGroup(CmsObject cms, CmsADEConfigData configData) throws CmsException {
  
          CmsResourceTypeConfig typeConfig = configData.getResourceType(
              CmsResourceTypeXmlContainerPage.MODEL_GROUP_TYPE_NAME);
          return typeConfig.createNewElement(cms, configData.getBasePath());
      }
docs: Creates a new model group resource.<p>
  
  @param cms the current cms context
  @param configData the configuration data
  
  @return the new resource
  
  @throws CmsException in case creating the resource fails