public static TopicSubscriptionSource WithOptions(this TopicSubscriptionSource topicSubscriptionSource, Action <SubscriptionClient> action)
 {
     action(topicSubscriptionSource.SubscriptionClient);
     return(topicSubscriptionSource);
 }
 public static TopicSubscriptionSource WithPrefetchCount(this TopicSubscriptionSource topicSubscriptionSource, int prefetchCount)
 {
     return(topicSubscriptionSource.WithOptions(x => x.PrefetchCount = prefetchCount));
 }