public override AmazonWebServiceResponse Unmarshall(XmlUnmarshallerContext context) 
 {   
     GetACLResponse response = new GetACLResponse();
     
     while (context.Read())
     {
         if (context.IsStartElement)
         {                    
             UnmarshallResult(context,response);                        
             continue;
         }
     }
          
                 
     return response;
 }
        private static void UnmarshallResult(XmlUnmarshallerContext context,GetACLResponse response)
        {
            
            int originalDepth = context.CurrentDepth;
            int targetDepth = originalDepth + 1;
            
            if (context.IsStartOfDocument) 
               targetDepth += 2;
            
            while (context.Read())
            {
                if (context.IsStartElement || context.IsAttribute)
                {
                    if (context.TestExpression("Owner", targetDepth))
                    {
                        if (null == response.AccessControlList)
                            response.AccessControlList = new S3AccessControlList();
                        response.AccessControlList.Owner = OwnerUnmarshaller.Instance.Unmarshall(context);
                            
                        continue;
                    }
                    if (context.TestExpression("Grant", targetDepth + 1))
                    {
                        if (null == response.AccessControlList)
                            response.AccessControlList = new S3AccessControlList();
                        response.AccessControlList.Grants.Add(GrantUnmarshaller.Instance.Unmarshall(context));
                            
                        continue;
                    }
                }
                else if (context.IsEndElement && context.CurrentDepth < originalDepth)
                {
                    return;
                }
            }
                            


            return;
        }