private val body: String,
    ) : RequestBody() {
      override fun contentType(): MediaType? = null

      @Throws(IOException::class)
      override fun writeTo(sink: BufferedSink) {
        sink.writeUtf8(body)
      }
    }

    val expected =
      """
      |--123
      |
      |Quick
      |--123
      |
      |Brown
      |--123
      |
      |Fox
      |--123--

    return result.readUtf8()
  }

  private fun encodeLabel(
    string: String,
    pos: Int,
    limit: Int,
    result: Buffer,
  ): Boolean {
    if (!string.requiresEncode(pos, limit)) {
      result.writeUtf8(string, pos, limit)
      return true
    }

    result.write(PREFIX)

    val input = string.codePoints(pos, limit)

    // Copy all the basic code points to the output.
    var b = 0

    vararg bodyLines: String,
  ) {
    filesystem.write(journalFile) {
      writeUtf8(
        """
        |$magic
        |$version
        |$appVersion
        |$valueCount
        |$blank
        |
        """.trimMargin(),
      )
      for (line in bodyLines) {
        writeUtf8(line)
        writeUtf8("\n")
      }
    }
  }

        }
      }
    }

  @JvmOverloads
  fun sendResponse(
    s: String,
    responseSent: CountDownLatch = CountDownLatch(1),
  ) = apply {
    actions += { stream ->
      stream.sink.writeUtf8(s)
      stream.sink.flush()
      responseSent.countDown()
    }
  }

  fun exhaustResponse() =
    apply {
      actions += { stream -> stream.sink.close() }
    }

  fun sleep(

fun Headers.parseChallenges(headerName: String): List<Challenge> {
  val result = mutableListOf<Challenge>()
  for (h in 0 until size) {
    if (headerName.equals(name(h), ignoreCase = true)) {
      val header = Buffer().writeUtf8(value(h))
      try {
        header.readChallengeHeader(result)
      } catch (e: EOFException) {
        Platform.get().log("Unable to parse challenge", Platform.WARN, e)
      }
    }
  }
  return result
}

      override fun write(
        source: Buffer,
        byteCount: Long,
      ) {
        original.writeUtf8(source.readUtf8(byteCount).uppercase())
      }
    }

  private fun gzip(data: String): Buffer {
    val result = Buffer()
    val sink = GzipSink(result).buffer()
    sink.writeUtf8(data)
    sink.close()
    return result
  }

  private fun addInterceptor(
    network: Boolean,

      }
    }

  private inline fun <T> assertOnPath(
    content: String? = null,
    fn: (okio.Path) -> T,
  ): T {
    FileSystem.SYSTEM.write(filePath) {
      if (content != null) {
        writeUtf8(content)
      }
    }

    return fn(filePath)
  }

   * most [BufferedSource] instances, but not of [Buffer].
   */
  private fun responseBody(content: String): ResponseBody {
    val data = Buffer().writeUtf8(content)
    val source: Source =
      object : Source {
        var closed = false

        override fun close() {
          closed = true
        }

        override fun read(
          sink: Buffer,

        val utf8 = IDENTITY.encode(codePoint).encodeUtf8()
        val percentEncoded = Buffer()
        for (i in 0 until utf8.size) {
          percentEncoded
            .writeUtf8("%")
            .writeUtf8(ByteString.of(utf8[i]).hex().uppercase())
        }
        return percentEncoded.readUtf8()
      }
    },

    /** URLs that contain this character in this component are invalid.  */

      in 0..63 -> {
        // Length of the UTF-16 sequence that this range maps to. The offset is b2b3.
        val beginIndex = ranges.read14BitInt(rangesIndex + 2)
        sink.writeUtf8(mappings, beginIndex, beginIndex + b1)
      }
      in 64..79 -> {
        // Mapped inline as codePoint delta to subtract
        val b2 = ranges[rangesIndex + 2].code
        val b3 = ranges[rangesIndex + 3].code