private void WriteIosOptions(JsonWriter writer, IOsOptions options)
 {
     writer
     .WriteProperty("ios")
     .StartObject()
     .WriteProperty("sound", options.SoundFile)
     .EndObject();
 }
 private void WriteIosOptions(JsonWriter writer, IOsOptions options)
 {
     writer
         .WriteProperty("ios")
         .StartObject()
         .WriteProperty("sound", options.SoundFile)
         .EndObject();
 }