docs: function (pageDefinition, args) {
              var callback = args.callback, pageRequest = args.pageRequest;
              this.__updateUrlMap(pageDefinition);
              var url = this.__getUrl(pageRequest);
              pageDefinition.url = url;
              this.__updateUrlMap(pageDefinition);
              this.$callback(callback.onsuccess, this.processPageDefinition(pageDefinition));
          }