*
     * @param kryo the Kryo instance to register classes with
     */
    protected void registerClasses(final Kryo kryo) {
        // Primitive types and wrappers
        kryo.register(String.class);
        kryo.register(String[].class);
        kryo.register(Integer.class);
        kryo.register(int[].class);
        kryo.register(Long.class);
        kryo.register(long[].class);
        kryo.register(Double.class);

import org.codelibs.fess.unit.UnitFessTestCase;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInfo;

/**
 * Test class for DataSerializer.
 * Tests serialization and deserialization with Kryo and JavaBin.
 */
public class DataSerializerTest extends UnitFessTestCase {

    private DataSerializer serializer;

    @Override
    protected void setUp(TestInfo testInfo) throws Exception {