docs: private CmsContainerPageBean generateContainerPageForContainers(
          Collection<CmsContainer> containers,
          String containerpageRootPath)
      throws CmsException {
  
          List<CmsContainerBean> containerBeans = new ArrayList<CmsContainerBean>();
          for (CmsContainer container : containers) {
              CmsContainerBean containerBean = getContainerBeanToSave(container, containerpageRootPath);
              containerBeans.add(containerBean);
          }
          CmsContainerPageBean page = new CmsContainerPageBean(containerBeans);
          return page;
      }