* performs blocking reads for the incoming bytes.
     */
    @Throws(IOException::class)
    internal fun receive(
      source: BufferedSource,
      byteCount: Long,
    ) {
      lock.assertNotHeld()

      var remainingByteCount = byteCount

      while (remainingByteCount > 0L) {
        val finished: Boolean

      labelIndex: Int,
    ): String? {
      var low = 0
      var high = size
      var match: String? = null
      while (low < high) {
        var mid = (low + high) / 2
        // Search for a '\n' that marks the start of a value. Don't go back past the start of the
        // array.
        while (mid > -1 && this[mid] != '\n'.code.toByte()) {
          mid--
        }
        mid++

  strict: Boolean,
  plusIsSpace: Boolean,
  unicodeAllowed: Boolean,
  charset: Charset?,
) {
  var encodedCharBuffer: Buffer? = null // Lazily allocated.
  var codePoint: Int
  var i = pos
  while (i < limit) {
    codePoint = input.codePointAt(i)
    if (alreadyEncoded && (
        codePoint == '\t'.code || codePoint == '\n'.code ||
          codePoint == '\u000c'.code || codePoint == '\r'.code
      )
    ) {

        result.writeDecimalLong(xy - 80L)
      }
    }
    while (byteCount < limit) {
      result.writeByte(dot)
      result.writeDecimalLong(readVariableLengthLong())
    }
    return result.readUtf8()
  }

  fun readRelativeObjectIdentifier(): String {
    val result = Buffer()
    val dot = '.'.code.toByte().toInt()
    while (byteCount < limit) {
      if (result.size > 0) {

        var parent = parent
        while (parent is KtDotQualifiedExpression) {
            if (parent.selectorExpression !== this) return true
            parent = parent.parent
        }
        return false
    }

    private fun KtSimpleNameExpression.isPartOfUserTypeRefQualifier(): Boolean {
        var parent = parent
        while (parent is KtUserType) {

 * stored bytes exceeds the limit, the cache will remove entries in the background until the limit
 * is satisfied. The limit is not strict: the cache may temporarily exceed it while waiting for
 * files to be deleted. The limit does not include filesystem overhead or the cache journal so
 * space-sensitive applications should set a conservative limit.
 *

      serverSocket?.closeQuietly()

      val openClientSocket = openClientSockets.iterator()
      while (openClientSocket.hasNext()) {
        openClientSocket.next().closeQuietly()
        openClientSocket.remove()
      }

      val httpConnection = openConnections.iterator()
      while (httpConnection.hasNext()) {
        httpConnection.next().closeQuietly()
        httpConnection.remove()
      }

internal class SequentialExchangeFinder(
  override val routePlanner: RoutePlanner,
) : ExchangeFinder {
  override fun find(): RealConnection {
    var firstException: IOException? = null
    while (true) {
      if (routePlanner.isCanceled()) throw IOException("Canceled")

      try {
        val plan = routePlanner.plan()

        if (!plan.isReady) {
          val tcpConnectResult = plan.connectTcp()

  var b = addressOffset

  var i = pos
  while (i < limit) {
    if (b == address.size) return false // Too many groups.

    // Read a delimiter.
    if (b != addressOffset) {
      if (input[i] != '.') return false // Wrong delimiter.
      i++
    }

    // Read 1 or more decimal digits for a value in 0..255.
    var value = 0
    val groupOffset = i
    while (i < limit) {
      val c = input[i]

   * limits.
   */
  fun encode(string: String): String? {
    var pos = 0
    val limit = string.length
    val result = Buffer()

    while (pos < limit) {
      var dot = string.indexOf('.', startIndex = pos)
      if (dot == -1) dot = limit

      if (!encodeLabel(string, pos, dot, result)) {
        // If we couldn't encode the label, give up.