EventKey key = new EventKey(eventClass, qualifiers);
Set<ObserverMethod<?>> observerList = _observerMethodCache.get(key);
if (observerList == null) {
BaseType eventType = _cdiManager.createSourceBaseType(event.getClass());
// ioc/0b71
if (eventType.isGeneric() || eventType instanceof ParamType)
throw new IllegalArgumentException(L.l("'{0}' is an invalid event type because it's generic.",
eventType));
validateEventQualifiers(qualifiers);