docs: public CmsSite getSite(String rootPath, String fallbackSiteRoot) {
  
          CmsSite result = getSiteForRootPath(rootPath);
          if (result == null) {
              result = getSiteForSiteRoot(fallbackSiteRoot);
              if (result == null) {
                  result = getDefaultSite();
              }
          }
          return result;
      }