public Subscriber Subscribe(SubscribeOptions ops) => SubscribeAsync(ops).Result;
public Exception subscribeFail(SubscribeOptions ops, string reason) { return(new Exception("Subscribing to topic [" + ops.topic + "] " + reason)); }
public SubscribeFailedException(SubscribeOptions ops, string reason) : base($"Subscribing to topic [{ops.topic}] failed: {reason}") { }