public static void SetExtendedDataById(this AIChara.ChaFileAccessory messagePackObject, string id, PluginData data) => SetExtendedData(messagePackObject, id, data);
//Accessory public static bool TryGetExtendedDataById(this AIChara.ChaFileAccessory messagePackObject, string id, out PluginData data) => GetExtendedData(messagePackObject, id, out data);