code: @Override
  	public void unsubscribeFromEvent(EventListener eventListener, Class<? extends AbstractTaskEvent> eventType) {
  		this.eventHandler.unsubscribeFromEvent(eventListener, eventType);
  	}
docs: Removes the subscription for events of the given type for the listener object.
  
  @param eventListener The listener object to cancel the subscription for.
  @param eventType The type of the event to cancel the subscription for.