code: public <T> List<Subscriber<T>> unsubscribeAll(Class<T> messageType) {
  		return subscribeStrategy.unsubscribeAll(mapping, messageType);
  	}
docs: Unsubscribes all subscribers listening to the given message type.
  
  @param <T>
  - The type to unsubscribe from.
  @param messageType
  - The type to unsubscribe all subscribers from.
  @return Returns the list of subscribers that were forced to unsubscribe.