Specifies the configuration data model
 public void Init()
 {
     _serviceClient = new ServiceClient(new AuthenticationHandler());
     _configuration = new DefaultConfig();
 }
 /// <summary>
 /// Applies the given configuration.
 /// </summary>
 /// <param name="config">The configuration to apply.</param>
 public void SetConfig(Config config)
 {
     if (IsMobileDeviceFamily)
     {
         CategoryThumbnailsCount = config.CategoryThumbnailsSmallFormFactor;
     }
     else
     {
         CategoryThumbnailsCount = config.CategoryThumbnailsLargeFormFactor;
     }
 }