public static HttpServiceResponse <TDataTo> Map <TData, TDataTo>(
     this IHttpServiceResponse <TData> model,
     Func <TData, TDataTo> mapper)
 {
     return((HttpServiceResponse <TDataTo>)model.WithData(mapper(model.Data)));
 }
 public static HttpServiceResponse <TData> WithData <TData>(
     this IHttpServiceResponse model, TData data)
 {
     return((HttpServiceResponse <TData>)model.WithData(data));
 }