* 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.
        return null
      }

 * label is longer than 63 characters. Trailing dots are okay.
 */
internal fun String.containsInvalidLabelLengths(): Boolean {
  if (length !in 1..253) return true

  var labelStart = 0
  while (true) {
    val dot = indexOf('.', startIndex = labelStart)
    val labelLength =
      when (dot) {
        -1 -> length - labelStart
        else -> dot - labelStart
      }
    if (labelLength !in 1..63) return true
    if (dot == -1) break

      """Wildcard Assertion Failure: '$rule'
A wildcard rule was added with a wildcard that is not in leftmost position! We'll need to change the ${PublicSuffixDatabase::class.java.name} to handle this."""
    }
    check(rule.indexOf(WILDCARD_CHAR, 1) == -1) {
      """Wildcard Assertion Failure: '$rule'
A wildcard rule was added with multiple wildcards! We'll need to change ${PublicSuffixDatabase::class.java.name} to handle this."""
    }

    sink: BufferedSink,
  ): Boolean {
    val index =
      mappings.binarySearch {
        when {
          it.sourceCodePoint1 < codePoint -> -1
          it.sourceCodePoint0 > codePoint -> 1
          else -> 0
        }
      }

    // Code points must be in 0..0x10ffff.
    require(index in mappings.indices) { "unexpected code point: $codePoint" }

    val mapping = mappings[index]
    var result = true

      }
    } else {
      this.handshake = null
      this.handshakeServerNames = listOf()
    }

    if (requestLine.isNotEmpty()) {
      val methodEnd = requestLine.indexOf(' ')
      val pathEnd = requestLine.indexOf(' ', methodEnd + 1)
      this.method = requestLine.substring(0, methodEnd)
      var path = requestLine.substring(methodEnd + 1, pathEnd)
      if (!path.startsWith("/")) {
        path = "/"
      }

    val hash: ByteString

    init {
      require(
        (pattern.startsWith("*.") && pattern.indexOf("*", 1) == -1) ||
          (pattern.startsWith("**.") && pattern.indexOf("*", 2) == -1) ||
          pattern.indexOf("*") == -1,
      ) {
        "Unexpected pattern: $pattern"
      }

      this.pattern =

     * or cache.
     */
    internal fun addLenient(line: String) =
      apply {
        val index = line.indexOf(':', 1)
        when {
          index != -1 -> {
            addLenient(line.substring(0, index), line.substring(index + 1))
          }
          line[0] == ':' -> {
            // Work around empty header names and header names that start with a colon (created by old

        if (pos < value.length && value[pos] == '\"') {
          // Quoted string.
          pos++ // Consume '"' open quote.
          val parameterStart = pos
          pos = value.indexOf('"', pos)
          parameter = value.substring(parameterStart, pos)
          pos++ // Consume '"' close quote (if necessary).
        } else {
          // Unquoted string.
          val parameterStart = pos

    val now = taskRunner.backend.nanoTime()
    val executeNanoTime = now + delayNanos

    // If the task is already scheduled, take the earlier of the two times.
    val existingIndex = futureTasks.indexOf(task)
    if (existingIndex != -1) {
      if (task.nextExecuteNanoTime <= executeNanoTime) {
        taskRunner.logger.taskLog(task, this) { "already scheduled" }
        return false
      }

   */
  fun queryParameterName(index: Int): String {
    if (queryNamesAndValues == null) throw IndexOutOfBoundsException()
    return queryNamesAndValues[index * 2]!!
  }

  /**
   * Returns the value of the query parameter at `index`. For example this returns `"apple"` for
   * `queryParameterName(0)` on `http://host/?a=apple&b=banana`. This throws if `index` is not less
   * than the [query size][querySize].