get => new HandlerQueueMapperCollectionExtension(_services, _configuration, _queueParameters);
get => new HandlerPubSubMapperCollectionExtension(_services, _configuration, _subscriberParameters);
get => new HandlerQueueMapperCollectionExtension(_services, _configuration, _queueParameters);
get => new HandlerPubSubMapperCollectionExtension(_services, _configuration, _subscriberParameters);