code: function pong() {
          primus.timers.clear('pong');
  
          //
          // The network events already captured the offline event.
          //
          if (!primus.online) return;
  
          primus.online = false;
          primus.emit('offline');
          primus.emit('incoming::end');
        }
docs: Exterminate the connection as we've timed out.
  
  @api private