public static IStubbleBuilder AddSystemData(this IStubbleBuilder builder)
 {
     return builder
         .AddValueGetter(typeof(DataRow), DataRowGetter)
         .AddValueGetter(typeof(DataSet), DataSetGetter)
         .AddEnumerationConversion(typeof (DataTable), DataTableEnumerationConversion)
         .AddEnumerationConversion(typeof (DataSet), DataSetEnumerationConversion);
 }
        public static IStubbleBuilder AddJsonNet(this IStubbleBuilder builder)
        {
            foreach (var getter in ValueGetters)
            {
                builder.AddValueGetter(getter);
            }

            return builder;
        }