presto-ml/src/main/java/io/prestosql/plugin/ml/FeatureVectorUnitNormalizer.java/FeatureVectorUnitNormalizer/deserialize
class FeatureVectorUnitNormalizer:    public static FeatureVectorUnitNormalizer deserialize(byte[] modelData)
    {
        checkArgument(modelData.length == 0, "modelData should be empty");
        return new FeatureVectorUnitNormalizer();
    }