docs: function (pageRequest) {
              var map = this.__urlMap.urlToPageId, pageId = pageRequest.pageId, url = pageRequest.url;
              if (pageId) {
                  return pageId;
              }
              if (url) {
                  var returnUrl = map[url] || map[url + "/"] || map[url.replace(/\/$/, "")];
                  if (returnUrl) {
                      return returnUrl;
                  }
              }
              return this.__config.homePageId;
          }