docs: function (pageRequest) {
              var url = pageRequest.url;
              if (ariaUtilsType.isString(url)) {
                  this._addInCache(url, pageRequest.pageId);
                  if (!this._poppedState) {
                      if (pageRequest.replace) {
                          this._history.replaceState(pageRequest.data, pageRequest.title, url);
                      } else {
                          this._history.pushState(pageRequest.data, pageRequest.title, url);
                      }
                  }
                  this._poppedState = false;
              }
          }