writeTo(writer);
            return writer.toString();
        }

        public void writeTo(Writer writer) {
            doWriteTo(writer, null);
        }

        public void writeTo(Writer writer, String encoding) {
            doWriteTo(writer, encoding);
        }

        public void writeTo(File file) {

    private Map<String, Object> params;
    private List<String> activeFeatures;

    @Override
    public String getWriteableName() {
        return NAME;
    }

    @Override
    protected void doWriteTo(final StreamOutput out) throws IOException {
        out.writeOptionalString(modelName);
        out.writeOptionalString(featureSetName);
        out.writeMap(params);