public <S extends Subscriber<T>, T> boolean unsubscribeByTypes(
			S subscriberType, Class<T> messageType) {
		return subscribeStrategy.unsubscribeByTypes(mapping, subscriberType,
				messageType);
	}
public < S extends Subscriber < T > , T > boolean unsubscribeByTypes ( S subscriberType , Class < T > messageType ) { return subscribeStrategy . unsubscribeByTypes ( mapping , subscriberType , messageType ) ; }
Forces subscribers to unsubscribe based on the given subscriber type and
message type.

@param <S>
- The type of subscriber to unsubscribe from.
@param <T>
- The type of the subscriber.
@param subscriberType
- The type of subscriber that will be forced to unsubscribe.
@param messageType
- The type of message that the subscibers will unsubscribe
from.
@return Returns true if at least one subscriber was forced to
unsubscribe. Otherwise, it returns false.