public static string ToKoobooJson <T>(this T obj)
 {
     return(KoobooJsonHelper.Serialize(obj));
 }
 public static T FromKoobooJson <T>(this string json)
 {
     return(KoobooJsonHelper.Deserialize <T>(json));
 }
 public static string ToKoobooJson <T>(this T obj, JsonSerializerOption option)
 {
     return(KoobooJsonHelper.Serialize(obj, option));
 }