* most once unless the underlying {@code get()} throws an exception. The supplier's serialized
   * form does not contain the cached value, which will be recalculated when {@code get()} is called
   * on the deserialized instance.
   *
   * <p>When the underlying delegate throws an exception then this memoizing supplier will keep
   * delegating calls until it returns valid data.

     * @param clientChallenge the client challenge bytes
     * @param nanos1601 the timestamp in nanoseconds since 1601
     * @param avPairs the AV pairs from the Type 2 message
     * @return the calculated response
     */
    public static byte[] getNTLMv2Response(final byte[] responseKeyNT, final byte[] serverChallenge, final byte[] clientChallenge,
            final long nanos1601, final byte[] avPairs) {

    public static final int DEFAULT_CURRENT_PAGE_NUMBER = 1;

    /** Total number of records across all pages. */
    private int allRecordCount;

    /** Total number of pages calculated from record count and page size. */
    private int allPageCount;

    /** Flag indicating whether a previous page exists. */
    private boolean existPrePage;

    /** Flag indicating whether a next page exists. */

     *
     * @param keyusage the Kerberos key usage number for this operation
     * @param key the encryption key to use for MAC calculation
     * @param data the data to calculate the MAC for
     * @return the calculated MAC bytes
     * @throws GeneralSecurityException if cryptographic operations fail
     */
    public static byte[] calculateMacArcfourHMACMD5(int keyusage, Key key, byte[] data) throws GeneralSecurityException {

            return; /* CRITICAL */
        }
        this.digest.update(input, offset, len);
        this.updates++;
    }

    /**
     * Finalize and return the calculated message digest
     *
     * @return calculated digest
     */
    public byte[] digest() {
        byte[] b = this.digest.digest();

        if (log.isTraceEnabled()) {
            log.trace("digest: ");

      return LinearTransformation.vertical(xStats.mean());
    }
  }

  /**
   * {@inheritDoc}
   *
   * <p><b>Note:</b> This tests exact equality of the calculated statistics, including the floating
   * point values. Two instances are guaranteed to be considered equal if one is copied from the
   * other using {@code second = new PairedStatsAccumulator().addAll(first).snapshot()}, if both

     */
    public void setMic(final byte[] mic) {
        this.mic = mic;
    }

    /**
     * Checks whether a message integrity code (MIC) should be calculated for this message.
     *
     * @return whether a MIC should be calculated
     */
    public boolean isMICRequired() {
        return this.micRequired;
    }

    @Override
    public byte[] toByteArray() throws IOException {

     * Supports Integer, Long, Float, Double, and String representations of numbers.
     *
     * @param map the document data as a map of field names to values
     * @return the calculated boost value as a float, or 0.0f if evaluation fails
     */
    public float getValue(final Map<String, Object> map) {
        if (map == null || map.isEmpty()) {
            return 0.0f;
        }

 * The delayBeforeProcessing method is overridden to introduce a delay before processing a URL,
 * ensuring that requests to the same host are not made too frequently.
 * The delay is calculated based on the configured delayMillisBeforeProcessing parameter.
 * If the time since the last request to the host is less than the configured delay,
 * the thread waits until the delay has elapsed.
 * This class is thread-safe.

   * Returns the current sum. The returned value is NOT an atomic snapshot; invocation in
   * the absence of concurrent updates returns an accurate result, but concurrent updates that occur
   * while the sum is being calculated might not be incorporated.
   *
   * @return the sum
   */
  @Override
  public long sum() {
    long sum = base;
    Cell[] as = cells;
    if (as != null) {
      int n = as.length;