checkNotNull(event);
checkArgument(event.getMap().getMatch().isPresent());
if (LOGGER.isDebugEnabled()) {
LOGGER.debug(this + " will now inform it's registered listeners about " + event);
}
final IWVWMap map = event.getMap();
final IWVWMatch match = map.getMatch().get();
final Collection<IWVWMapListener> notifiedListeners = new ArrayList<IWVWMapListener>();
for (IWVWMapListener listener : this.allMapsOfAllMatchesListeners) {
this.notifyWVWMapListener(listener, event);