docs: public void close () {
  		Connection[] connections = this.connections;
  		for (int i = 0; i < connections.length; i++)
  			connections[i].removeListener(invokeListener);
  
  		synchronized (instancesLock) {
  			ArrayList<ObjectSpace> temp = new ArrayList(Arrays.asList(instances));
  			temp.remove(this);
  			instances = temp.toArray(new ObjectSpace[temp.size()]);
  		}
  
  		if (TRACE) trace("kryonet", "Closed ObjectSpace.");
  	}