docs: function sendEvent() {
          var data = {},
              eventName;
          if (++i < c) {
              if (channel.page < channel.numPages) {
                  data.pages = [channel.page++];
                  eventName = 'pageavailable.svg';
              } else {
                  eventName = 'finished.svg';
                  data = '';
              }
              response.write('id: ' + i + '\n');
              response.write('event: ' + eventName + '\n');
              response.write('data: ' + (data ? JSON.stringify(data) : '') + '\n\n');
              timeoutId = setTimeout(sendEvent, (Math.random() * 1000 + 50));
          } else {
              response.end();
          }
      }