private static final Logger logger = LogManager.getLogger(DataSerializer.class);

    /** Constant for JavaBin serializer type. */
    protected static final String JAVABIN = "javabin";

    /** Constant for Kryo serializer type. */
    protected static final String KRYO = "kryo";

    /** ThreadLocal container for Kryo instances to ensure thread safety. */
    protected final ThreadLocal<Kryo> kryoThreadLocal;

  static final RuntimeException RUNTIME_EXCEPTION = new RuntimeException();
  static final OtherThrowable OTHER_THROWABLE = new OtherThrowable();
  static final Future<String> FAILED_FUTURE_OTHER_THROWABLE =
      immediateFailedFuture(OTHER_THROWABLE);
  static final Error ERROR = new Error("mymessage");
  static final Future<String> FAILED_FUTURE_ERROR = immediateFailedFuture(ERROR);

 * This class cannot be instantiated.
 */
public final class FieldNames {
    /** The unique identifier field. */
    public static final String ID = "_id";
    /** The text content field. */
    public static final String TEXT = "text";
    /** The prefix for reading fields. */
    public static final String READING_PREFIX = "reading_";
    /** The score field. */
    public static final String SCORE = "score";

     */
    private final CrawlerClientFactory factory;

    private final Map<String, Object> params = new HashMap<>();

    /**
     * Constructs a CrawlerClientFactoryWrapper with the specified factory.
     *
     * @param factory the underlying CrawlerClientFactory instance to delegate operations to
     */
    public CrawlerClientFactoryWrapper(final CrawlerClientFactory factory) {

    }

    public void test_setRandom() {
        final Random customRandom = new Random(12345L);
        accessTokenHelper.setRandom(customRandom);

        final String token1 = accessTokenHelper.generateAccessToken();

        accessTokenHelper.setRandom(new Random(12345L));
        final String token2 = accessTokenHelper.generateAccessToken();

        assertEquals(token1, token2);

    }

    public void test_getText() throws Exception {
        final String testStr = "testdata";
        final String content = ATTR_NAME + "," + testStr;
        final Map<String, String> params = new HashMap<String, String>();
        //final ExtractData text = extractor.getText(new ByteArrayInputStream(FileUtils.readFileToByteArray(new File(filePath))), params);

 *
 * @see TextNormalizeContext
 */
public final class TextUtil {
    private static final Logger logger = LogManager.getLogger(TextUtil.class);

    private TextUtil() {
    }

    /**
     * This class provides a context for normalizing text.
     */
    public static class TextNormalizeContext {

        private final Reader reader;

        private int initialCapacity = 10000;

     */
    @Override
    public void store(final DataStoreParams paramMap, final Map<String, Object> dataMap) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        systemHelper.calibrateCpuLoad();

        final long startTime = systemHelper.getCurrentTimeAsLong();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        final Date date = toDate("11:49:10 JST");
        final SimpleDateFormat df = new SimpleDateFormat("HH:mm:ss");
        df.setTimeZone(TimeZone.getTimeZone("JST"));
        assertThat(df.format(date), is("11:49:10"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToDate_FullStyle() throws Exception {
        final Date date = toDate("11時49分10秒 JST");

    }

    @Override
    int writeParameterWordsWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    int writeBytesWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    int readParameterWordsWireFormat(final byte[] buffer, int bufferIndex) {
        final int start = bufferIndex;

        oplockLevel = buffer[bufferIndex];