internal SubscriptionDescription(string topicPath, string subscriptionName, SubscriptionDescriptionXml xml)
 {
     this.xml = xml;
     if (null != xml)
     {
         this.xml.TopicPath = topicPath;
         this.xml.Name      = subscriptionName;
     }
 }
 /// <summary>Initializes a new instance of the <see cref="T:Microsoft.ServiceBus.Messaging.SubscriptionDescription" /> class.</summary>
 /// <param name="topicPath">The topic name.</param>
 /// <param name="subscriptionName">The subscription name.</param>
 public SubscriptionDescription(string topicPath, string subscriptionName)
 {
     this.xml = new SubscriptionDescriptionXml(topicPath, subscriptionName);
 }