code: protected void addANYHandler(final EventHandler eventHandler)
  	{
  		final int eventType = eventHandler.getEventType();
  		if (eventType != Events.ANY)
  		{
  			LOG.error("The incoming handler {} is not of type ANY",
  					eventHandler);
  			throw new IllegalArgumentException(
  					"The incoming handler is not of type ANY");
  		}
  		anyHandler.add(eventHandler);
  		Callback<List<Event>> eventCallback = createEventCallbackForHandler(eventHandler);
  		BatchSubscriber<Event> batchEventSubscriber = new BatchSubscriber<Event>(
  				fiber, eventCallback, 0, TimeUnit.MILLISECONDS);
  		Disposable disposable = eventQueue.subscribe(batchEventSubscriber);
  		disposableHandlerMap.put(eventHandler, disposable);
  	}
docs: Creates a batch subscription to the jetlang memory channel for the ANY
  event handler. This method does not require synchronization since we are
  using CopyOnWriteArrayList
  
  @param eventHandler