presto-ml/src/main/java/io/prestosql/plugin/ml/SvmClassifier.java/SvmClassifier/classify
class SvmClassifier:    @Override
    public Integer classify(FeatureVector features)
    {
        requireNonNull(model, "model is null");
        return (int) svm.svm_predict(model, toSvmNodes(features));
    }