}

private fun checkSupportResponse(
  name: String,
  response: Response?,
) {
  response?.apply {
    require(networkResponse == null) { "$name.networkResponse != null" }
    require(cacheResponse == null) { "$name.cacheResponse != null" }
    require(priorResponse == null) { "$name.priorResponse != null" }
  }
}

fun Response.Builder.commonPriorResponse(priorResponse: Response?) =
  apply {

      writeShort(0) // additional

      val nameBuf = Buffer()
      val labels = host.split('.').dropLastWhile { it.isEmpty() }
      for (label in labels) {
        val utf8ByteCount = label.utf8Size()
        require(utf8ByteCount == label.length.toLong()) { "non-ascii hostname: $host" }
        nameBuf.writeByte(utf8ByteCount.toInt())
        nameBuf.writeUtf8(label)
      }
      nameBuf.writeByte(0) // end

  val parameterNamesAndValues = mutableListOf<String>()
  var s = typeSubtype.range.last + 1
  while (s < length) {
    val parameter = PARAMETER.matchAtPolyfill(this, s)
    require(parameter != null) {
      "Parameter is not formatted correctly: \"${substring(s)}\" for: \"$this\""
    }

    val name = parameter.groups[1]?.value
    if (name == null) {
      s = parameter.range.last + 1

    repositoryPlugin.deployDirectory(testResourceDir / "deployments")
    repositoryPlugin.deployClassPath()
  }

  private fun createBndRun(workspace: Workspace): Bndrun {
    // Creating the run require string. It will always use the latest version of each bundle
    // available in the repository.
    val runRequireString =
      REQUIRED_BUNDLES.joinToString(separator = ",") {

    assertThat(IDNA_MAPPING_TABLE.mappings).isEqualTo(compactTable.mappings)
  }

  private fun String.map(): String {
    val buffer = Buffer()
    for (codePoint in codePoints()) {
      require(table.map(codePoint, buffer))
    }
    return buffer.readUtf8()
  }

  private fun String.mapExpectingErrors(): String {
    val buffer = Buffer()
    var errorCount = 0

  }

  fun writeObjectIdentifier(s: String) {
    val utf8 = Buffer().writeUtf8(s)
    val v1 = utf8.readDecimalLong()
    require(utf8.readByte() == '.'.code.toByte())
    val v2 = utf8.readDecimalLong()
    writeVariableLengthLong(v1 * 40 + v2)

    while (!utf8.exhausted()) {
      require(utf8.readByte() == '.'.code.toByte())
      val vN = utf8.readDecimalLong()
      writeVariableLengthLong(vN)
    }
  }

  @Throws(IOException::class)
  private fun writeControlFrame(
    opcode: Int,
    payload: ByteString,
  ) {
    if (writerClosed) throw IOException("closed")

    val length = payload.size
    require(length <= PAYLOAD_BYTE_MAX) {
      "Payload size must be less than or equal to $PAYLOAD_BYTE_MAX"
    }

    val b0 = B0_FLAG_FIN or opcode
    sinkBuffer.writeByte(b0)

    var b1 = length