public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
var action = (IndexAction <T>)value;
var injectingWriter = new InjectingJsonWriter(writer);
injectingWriter.OnStart =
w =>
{
w.WritePropertyName("@search.action");
w.WriteValue(SearchIndexClient.IndexActionTypeToString(action.ActionType));
};
serializer.Serialize(injectingWriter, action.Document);
}