* hexadecimal string representation for debugging purposes.
 */

public class Hexdump {

    /**
     * Default constructor.
     */
    public Hexdump() {
        // Utility class - no instance variables to initialize
    }

    private static final String NL = System.lineSeparator();
    private static final int NL_LENGTH = NL.length();

    private static final char[] SPACE_CHARS =

    protected Long maxContentLength = null;

    /**
     * Constructs a new AbstractCrawlerClient.
     */
    public AbstractCrawlerClient() {
        // NOP
    }

    /**
     * Initializes the client with parameters from initParamMap.
     * Sets maxContentLength, accessTimeout, and maxCachedContentSize.
     */
    public void init() {
        // max content length

        if (nonce.length == 12) {
            // For CCM cipher, pad nonce to 16 bytes with zeros
            System.arraycopy(nonce, 0, this.nonce, 0, 12);
            // Last 4 bytes remain zero-initialized
        } else if (nonce.length == 16) {
            // For GCM cipher, use full 16-byte nonce
            System.arraycopy(nonce, 0, this.nonce, 0, 16);
        } else {

        assertSame(mockQueryAddress, queryAddressField.get(response));

        // Verify recordName is initialized
        Field recordNameField = NameServicePacket.class.getDeclaredField("recordName");
        recordNameField.setAccessible(true);
        assertNotNull(recordNameField.get(response));

        // Verify macAddress is initialized with correct size
        Field macAddressField = NodeStatusResponse.class.getDeclaredField("macAddress");

  private val messageBuffer = Buffer()

  /** The [Buffer] of [sink]. Write to this and then flush/emit [sink]. */
  private val sinkBuffer: Buffer = sink.buffer
  private var writerClosed = false

  /** Lazily initialized on first use. */
  private var messageDeflater: MessageDeflater? = null

  // Masks are only a concern for client writers.
  private val maskKey: ByteArray? = if (isClient) ByteArray(4) else null

    protected int maxTextLength;

    /**
     * Default constructor.
     */
    public LanguageHelper() {
        // do nothing
    }

    /**
     * Initializes the helper.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", this.getClass().getSimpleName());
        }

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

    /**
     * Constructs a new DataSerializer.
     * <p>
     * Initializes the ThreadLocal Kryo instances with appropriate configuration.
     * The Kryo instances are configured to not require class registration for
     * flexibility, and debug mode warnings are enabled when debug logging is active.

 *
 * <p>On different platforms AggregateFutureState uses different strategies for its core
 * synchronization primitives. The strategies are all implemented as subtypes of AtomicHelper and
 * the strategy is selected in the static initializer of AggregateFutureState. This is convenient
 * and performant but introduces some testing difficulties. This test exercises the two fallback
 * strategies.
 *
 * <ul>

        }

        public void columnHomePostalAddress() {
            doColumn("homePostalAddress");
        }

        public void columnInitials() {
            doColumn("initials");
        }

        public void columnInternationaliSDNNumber() {
            doColumn("internationaliSDNNumber");
        }

        public void columnLabeledURI() {
            doColumn("labeledURI");

    protected FessConfig fessConfig;

    /**
     * Default constructor.
     */
    public PopularWordHelper() {
        // Default constructor
    }

    /**
     * Initializes the PopularWordHelper after dependency injection.
     * Sets up the cache with configured size and expiration settings.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {