private void AddSettings(string connectionString)
 {
     if (!string.IsNullOrEmpty(connectionString))
     {
         var item = new ServiceConfigParser(connectionString);
         _options.AllowedHosts.Add(item.Endpoint.Host);
         _options.AccessKeys.Add(item.AccessKey);
     }
 }
 public WebPubSubService(string connectionString, string hub)
 {
     _serviceConfig = new ServiceConfigParser(connectionString);
     _client        = new WebPubSubServiceClient(connectionString, hub);
 }