if (compress != -1) return null // Multiple "::" delimiters.
      i += 2
      b += 2
      compress = b
      if (i == limit) break
    } else if (b != 0) {
      // Group separator ":" delimiter.
      if (input.startsWith(":", startIndex = i)) {
        i++
      } else if (input.startsWith(".", startIndex = i)) {
        // If we see a '.', rewind to the beginning of the previous group and parse as IPv4.

  private val path = mutableListOf<String>()

  private var constructed = false

  private var peekedHeader: DerHeader? = null

  private val bytesLeft: Long
    get() = if (limit == -1L) -1L else (limit - byteCount)

  fun hasNext(): Boolean = peekHeader() != null

  /**
   * Returns the next header to process unless this scope is exhausted.
   *
   * This returns null if:
   *

        if (servedDate != null) {
          maxOf(0, receivedResponseMillis - servedDate.time)
        } else {
          0
        }

      val receivedAge =
        if (ageSeconds != -1) {
          maxOf(apparentReceivedAge, SECONDS.toMillis(ageSeconds.toLong()))
        } else {
          apparentReceivedAge
        }

        keyToKeyList.put(key, keyList = new KeyList<>(node));
        modCount++;
      } else {
        keyList.count++;
        Node<K, V> keyTail = keyList.tail;
        keyTail.nextSibling = node;
        node.previousSibling = keyTail;
        keyList.tail = node;
      }
    } else { // non-empty list, insert before nextSibling
      /*

            requestBody.writeTo(bufferedRequestBody)
          } else {
            // Write the request body if the "Expect: 100-continue" expectation was met.
            val bufferedRequestBody = exchange.createRequestBody(request, false).buffer()
            requestBody.writeTo(bufferedRequestBody)
            bufferedRequestBody.close()
          }
        } else {
          exchange.noRequestBody()

            return false;
        }
        final String value;
        if (urlStr.startsWith("://")) {
            value = "http" + urlStr;
        } else if (urlStr.startsWith("//")) {
            value = "http:" + urlStr;
        } else {
            value = urlStr;
        }
        try {
            final URL url = new java.net.URL(value);
            final String host = url.getHost();

    if (socket is SSLSocket) {
      try {
        this.handshake = socket.session.handshake()
      } catch (e: IOException) {
        throw IllegalArgumentException(e)
      }
    } else {
      this.handshake = null
    }

    if (requestLine.isNotEmpty()) {
      val methodEnd = requestLine.indexOf(' ')
      val pathEnd = requestLine.indexOf(' ', methodEnd + 1)

        } else if (cae.isInfoEnabled()) {
            logger.info("[{}] {}", failureUrlId, cae.getMessage());
        } else if (cae.isWarnEnabled()) {
            logger.warn("[{}] Crawling Access Exception at {}", failureUrlId, urlQueue.getUrl(), cae);
        } else if (cae.isErrorEnabled()) {

                    serverNoContextTakeover = true
                  }
                  else -> {
                    unexpectedValues = true // Unexpected parameter.
                  }
                }
              }
            }

            else -> {
              unexpectedValues = true // Unexpected extension.
            }
          }
        }
      }

            domainName.equals(HOSTNAME_THAT_ONLY_THE_PROXY_KNOWS, ignoreCase = true) -> {
              InetAddress.getByName("localhost")
            }
            else -> InetAddress.getByName(domainName)
          }
        }

        else -> throw ProtocolException("unsupported address type: $addressType")
      }

    val port = fromSource.readShort() and 0xffff

    when (command) {