public static DataSet Convert(string json, ConvertOptions options)
        {
            var token   = (JToken)JsonConvert.DeserializeObject(json);
            var visitor = new DataSetBuildVisitor(options);

            visitor.Visit(token);
            return(visitor.DataSet);
        }
 internal DataSetBuildVisitor(ConvertOptions options)
 {
     this.options = options;
 }