Returns information about the DescribeTapes response and response metadata.
Inheritance: DescribeTapesResult
       public override AmazonWebServiceResponse Unmarshall(JsonUnmarshallerContext context)
       {
           DescribeTapesResponse response = new DescribeTapesResponse();       
         
           context.Read();
           int targetDepth = context.CurrentDepth;
           while (context.ReadAtDepth(targetDepth))
           {
             
             if (context.TestExpression("Tapes", targetDepth))
             {
               
               var unmarshaller = new ListUnmarshaller<Tape,TapeUnmarshaller>(
                   TapeUnmarshaller.GetInstance());                  
               response.Tapes = unmarshaller.Unmarshall(context);
               
               continue;
             }
 
             if (context.TestExpression("Marker", targetDepth))
             {
               response.Marker = StringUnmarshaller.GetInstance().Unmarshall(context);
               continue;
             }
 
           }
                       
           return response;
       }                        
 public override AmazonWebServiceResponse Unmarshall(JsonUnmarshallerContext context)
 {
   DescribeTapesResponse response = new DescribeTapesResponse();          
   
   context.Read();
   
   UnmarshallResult(context,response);
   return response;
 }
       private static void UnmarshallResult(JsonUnmarshallerContext context,DescribeTapesResponse response)
       {
         
           int originalDepth = context.CurrentDepth;
           int targetDepth = originalDepth + 1;
           while (context.Read())
           {
             
             if (context.TestExpression("Tapes", targetDepth))
             {
               context.Read();
               response.Tapes = new List<Tape>();
                       TapeUnmarshaller unmarshaller = TapeUnmarshaller.GetInstance();
               while (context.Read())
               {
                 JsonToken token = context.CurrentTokenType;                
                 if (token == JsonToken.ArrayStart)
                 {
                   continue;
                 }
                 if (token == JsonToken.ArrayEnd)
                 {
                   break;
                 }
                  response.Tapes.Add(unmarshaller.Unmarshall(context));
               }
               continue;
             }
 
             if (context.TestExpression("Marker", targetDepth))
             {
               context.Read();
               response.Marker = StringUnmarshaller.GetInstance().Unmarshall(context);
               continue;
             }
 
               if (context.CurrentDepth <= originalDepth)
               {                   
                   return;
               }
           }
                       
           return;
       }