public Request<AddTagsRequest> marshall(AddTagsRequest addTagsRequest) {

    if (addTagsRequest == null) {
      throw new SdkClientException("Invalid argument passed to marshall(...)");
    }

    Request<AddTagsRequest> request =
        new DefaultRequest<AddTagsRequest>(addTagsRequest, "AWSElasticsearch");

    request.setHttpMethod(HttpMethodName.POST);

    String uriResourcePath = "/2015-01-01/tags";

    request.setResourcePath(uriResourcePath);

    try {
      final StructuredJsonGenerator jsonGenerator = protocolFactory.createGenerator();
      jsonGenerator.writeStartObject();

      if (addTagsRequest.getARN() != null) {
        jsonGenerator.writeFieldName("ARN").writeValue(addTagsRequest.getARN());
      }

      java.util.List<Tag> tagListList = addTagsRequest.getTagList();
      if (tagListList != null) {
        jsonGenerator.writeFieldName("TagList");
        jsonGenerator.writeStartArray();
        for (Tag tagListListValue : tagListList) {
          if (tagListListValue != null) {

            TagJsonMarshaller.getInstance().marshall(tagListListValue, jsonGenerator);
          }
        }
        jsonGenerator.writeEndArray();
      }

      jsonGenerator.writeEndObject();

      byte[] content = jsonGenerator.getBytes();
      request.setContent(new ByteArrayInputStream(content));
      request.addHeader("Content-Length", Integer.toString(content.length));
      if (!request.getHeaders().containsKey("Content-Type")) {
        request.addHeader("Content-Type", protocolFactory.getContentType());
      }
    } catch (Throwable t) {
      throw new SdkClientException("Unable to marshall request to JSON: " + t.getMessage(), t);
    }

    return request;
  }