private static final char[] upperHexDigits = "0123456789ABCDEF".toCharArray();

  /** If true we should convert space to the {@code +} character. */
  private final boolean plusForSpace;

  /**
   * An array of flags where for any {@code char c} if {@code safeOctets[c]} is true then {@code c}
   * should remain unmodified in the output. If {@code c >= safeOctets.length} then it should be
   * escaped.
   */

			if e != nil {
				return nil, e
			}
			if _, nbuf, e := msgp.ReadUint32Bytes(b); e == nil {
				// Read metadata CRC (added in v2, ignore if not found)
				b = nbuf
			}

			_, e = msgp.CopyToJSON(buf, bytes.NewReader(v))
			if e != nil {
				return nil, e
			}
			data = b
		case 3:
			v, b, e := msgp.ReadBytesZC(b)
			if e != nil {
				return nil, e
			}
			if _, nbuf, e := msgp.ReadUint32Bytes(b); e == nil {

    }

    /**
     * Checks if a previous page exists for pagination.
     *
     * @return true if a previous page exists, false otherwise
     */
    public boolean isExistPrePage() {
        return existPrePage;
    }

    /**
     * Sets the flag indicating whether a previous page exists.
     *
     * @param existPrePage true if a previous page exists, false otherwise
     */

	d := DiscoveryDoc{}
	req, err := http.NewRequest(http.MethodGet, ustr, nil)
	if err != nil {
		return d, err
	}
	clnt := http.Client{
		Transport: http.DefaultTransport,
	}
	resp, err := clnt.Do(req)
	if err != nil {
		return d, err
	}
	defer resp.Body.Close()
	if resp.StatusCode != http.StatusOK {
		return d, fmt.Errorf("unexpected error returned by %s : status(%s)", ustr, resp.Status)

    codec.carrier.trackFailure(call, e)
  }

  /** If [e] is non-null, this will return a non-null value. */
  fun bodyComplete(
    bytesRead: Long = -1L,
    responseDone: Boolean = false,
    requestDone: Boolean = false,
    e: IOException?,
  ): IOException? {
    if (e != null) {
      trackFailure(e)
    }
    if (requestDone) {
      if (e != null) {
        eventListener.requestFailed(call, e)

        if (isLoginRequired()) {
            return redirectToLogin();
        }

        if (viewHelper.isUseSession()) {
            final HttpSession session = request.getSession(false);
            if (session != null) {
                final Object resultsPerPage = session.getAttribute(Constants.RESULTS_PER_PAGE);
                if (resultsPerPage instanceof Integer) {

        if (platformSystemProperty == JDK9_PROPERTY) {
          if (System.getProperty("javax.net.debug") == null) {
            System.setProperty("javax.net.debug", "")
          }
        } else if (platformSystemProperty == CONSCRYPT_PROPERTY) {
          if (Security.getProviders()[0].name != "Conscrypt") {
            if (!Conscrypt.isAvailable()) {

	zb0001, bts, err = msgp.ReadMapHeaderBytes(bts)
	if err != nil {
		err = msgp.WrapError(err)
		return
	}
	for zb0001 > 0 {
		zb0001--
		field, bts, err = msgp.ReadMapKeyZC(bts)
		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		switch msgp.UnsafeString(field) {
		case "Deleted":
			z.Deleted, bts, err = msgp.ReadBoolBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "Deleted")
				return

   *
   * <p>If {@code expectedOldValue} is zero, this method will succeed if {@code (key, zero)} is
   * currently in the map, or if {@code key} is not in the map at all.
   */
  boolean replace(K key, long expectedOldValue, long newValue) {
    if (expectedOldValue == 0L) {
      return putIfAbsent(key, newValue) == 0L;
    } else {

        String params = "";
        final String server = (String) binding.getOption("server");
        if (server != null) {
            params += "&server=" + server;
        }
        final String address = (String) binding.getOption("address");
        if (address != null) {
            params += "&address=" + address;
        }
        if (params.length() > 0) {
            url.append("?").append(params.substring(1));
        }