/// <summary>
 /// Create from service model
 /// </summary>
 /// <param name="model"></param>
 public MethodCallResponseApiModel(MethodCallResultModel model)
 {
     if (model == null)
     {
         throw new ArgumentNullException(nameof(model));
     }
     Results = model.Results?
               .Select(a => a == null ? null : new MethodCallArgumentApiModel(a))
               .ToList();
     ErrorInfo = model.ErrorInfo == null ? null :
                 new ServiceResultApiModel(model.ErrorInfo);
 }
 /// <summary>
 /// Create from service model
 /// </summary>
 /// <param name="model"></param>
 public static MethodCallResponseApiModel ToApiModel(
     this MethodCallResultModel model)
 {
     if (model == null)
     {
         return(null);
     }
     return(new MethodCallResponseApiModel {
         Results = model.Results?
                   .Select(a => a.ToApiModel())
                   .ToList(),
         ErrorInfo = model.ErrorInfo.ToApiModel()
     });
 }