OPCODE_CONTROL_CLOSE -> {
        var code = CLOSE_NO_STATUS_CODE
        var reason = ""
        val bufferSize = controlFrameBuffer.size
        if (bufferSize == 1L) {
          throw ProtocolException("Malformed close payload length of 1.")
        } else if (bufferSize != 0L) {
          code = controlFrameBuffer.readShort().toInt()
          reason = controlFrameBuffer.readUtf8()

  internal val writeTimeout = StreamTimeout()

  /**
   * The reason why this stream was closed, or null if it closed normally or has not yet been
   * closed.
   *
   * If there are multiple reasons to abnormally close this stream (such as both peers closing it
   * near-simultaneously) then this is the first reason known to this peer.
   */
  internal var errorCode: ErrorCode? = null

      const val JDK8_PROPERTY = "jdk8"
      const val OPENJSSE_PROPERTY = "openjsse"
      const val BOUNCYCASTLE_PROPERTY = "bouncycastle"
      const val LOOM_PROPERTY = "loom"

      /**
       * For whatever reason our BouncyCastle provider doesn't work with ECDSA keys. Just configure it
       * to use RSA-2048 instead.
       *
       * (We otherwise prefer ECDSA because it's faster.)
       */

      of any other Contributor, and only if You agree to indemnify,
      defend, and hold each Contributor harmless for any liability
      incurred by, or claims asserted against, such Contributor by reason
      of your accepting any such warranty or additional liability.

   END OF TERMS AND CONDITIONS

   APPENDIX: How to apply the Apache License to your work.

      }
      set(value) {
        val reason =
          when (value) {
            in 100..199 -> "Informational"
            in 200..299 -> "OK"
            in 300..399 -> "Redirection"
            in 400..499 -> "Client Error"
            in 500..599 -> "Server Error"
            else -> "Mock Response"
          }
        status = "HTTP/1.1 $value $reason"
      }

        .addInterceptor(applicationInterceptor)
        .build()
    try {
      client.newCall(request().build()).execute()
      fail<Any>()
    } catch (expected: UnknownHostException) {
    }
    applicationLogs
      .assertLogEqual("--> GET $url")
      .assertLogEqual("<-- HTTP FAILED: java.net.UnknownHostException: reason")
      .assertNoMoreLogs()
  }

    val server = serverListener.assertOpen()
    clientListener.assertOpen()
    val reason = repeat('X', 124)
    assertFailsWith<IllegalArgumentException> {
      webSocket.close(1000, reason)
    }.also { expected ->
      assertThat(expected.message).isEqualTo("reason.size() > 123: $reason")
    }
    webSocket.close(1000, null)
    serverListener.assertClosing(1000, "")
    server.close(1000, null)

  }

  @Test fun closeCallsCallback() {
    data.write("880703e848656c6c6f".decodeHex()) // Close with code and reason
    clientReader.processNextFrame()
    callback.assertClosing(1000, "Hello")
  }

  @Test fun closeIncompleteCallsCallback() {
    data.write("880703e948656c6c6f".decodeHex()) // Close with code and reason
    data.close()
    clientReader.processNextFrame()
    callback.assertClosing(1001, "Hello")
  }

   * if no streams were processed.
   *
   * @param lastGoodStreamId the last stream ID processed, or zero if no streams were processed.
   * @param errorCode reason for closing the connection.
   * @param debugData only valid for HTTP/2; opaque debug data to send.
   */
  @Throws(IOException::class)
  fun goAway(
    lastGoodStreamId: Int,
    errorCode: ErrorCode,

     *
     * @param lastGoodStreamId the last stream ID the peer processed before sending this message. If
     *     [lastGoodStreamId] is zero, the peer processed no frames.
     * @param errorCode reason for closing the connection.
     * @param debugData only valid for HTTP/2; opaque debug data to send.
     */
    fun goAway(
      lastGoodStreamId: Int,
      errorCode: ErrorCode,
      debugData: ByteString,