docs: function (config, EventSource) {
              var url = config.url;
              if (url) {
                  realtime = new Crocodoc.Realtime(url, EventSource || window.EventSource);
  
                  // force the viewer to think conversion is not complete
                  // @TODO: ideally this wouldn't have to make an extra trip to
                  // the server just to find out the doc is already done
                  // converting, so we should have an indicator of the doc status
                  // in the session endpoint response
                  viewerConfig.conversionIsComplete = false;
                  registerBoxViewPageEventHandlers();
              }
          }