code: public void onReceiveSitemapPreloadData(CmsSitemapEntryBean sitemapPreloadData) {
  
          fillWithPreloadInfo(Collections.singletonList(sitemapPreloadData));
          String siteRoot = sitemapPreloadData.getSiteRoot();
          if (siteRoot != null) {
              selectSite(siteRoot);
          }
      }
docs: Method which is called when the sitemap preload data is received.<p>
  
  @param sitemapPreloadData the sitemap tree's preloaded root entry