bytesIn.writeUtf8("custom-foo")
    bytesIn.writeByte(0x0d) // Literal value (len = 13)
    bytesIn.writeUtf8("custom-header")
    bytesIn.writeByte(0x40) // Literal indexed
    bytesIn.writeByte(0x0a) // Literal name (len = 10)
    bytesIn.writeUtf8("custom-bar")
    bytesIn.writeByte(0x0d) // Literal value (len = 13)
    bytesIn.writeUtf8("custom-header")

    sink.write(bitString.byteString)
  }

  fun writeOctetString(byteString: ByteString) {
    sink().write(byteString)
  }

  fun writeUtf8(value: String) {
    sink().writeUtf8(value)
  }

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

      // Skip this character.
    } else if (codePoint == ' '.code && encodeSet === FORM_ENCODE_SET) {
      // Encode ' ' as '+'.
      writeUtf8("+")
    } else if (codePoint == '+'.code && plusIsSpace) {
      // Encode '+' as '%2B' since we permit ' ' to be encoded as either '+' or '%20'.
      writeUtf8(if (alreadyEncoded) "+" else "%2B")
    } else if (codePoint < 0x20 ||
      codePoint == 0x7f ||
      codePoint >= 0x80 &&

        sink.writeUtf8(url.toString()).writeByte('\n'.code)
        sink.writeUtf8(requestMethod).writeByte('\n'.code)
        sink.writeDecimalLong(varyHeaders.size.toLong()).writeByte('\n'.code)
        for (i in 0 until varyHeaders.size) {
          sink
            .writeUtf8(varyHeaders.name(i))
            .writeUtf8(": ")
            .writeUtf8(varyHeaders.value(i))
            .writeByte('\n'.code)

      bytesOut.writeUtf8("\r\n")
      bytesOut.write(body, chunkSize)
      bytesOut.writeUtf8("\r\n")
    }
    bytesOut.writeUtf8("0\r\n") // Last chunk. Trailers follow!
    this.body = bytesOut
  }

  fun setChunkedBody(
    body: String,
    maxChunkSize: Int,
  ): MockResponse = setChunkedBody(Buffer().writeUtf8(body), maxChunkSize)

  @JvmName("-deprecated_getHeaders")

      requestBody.writeUtf8("request A\n")
      requestBody.flush()
      val responseBody = response.body.source()
      assertThat(responseBody.readUtf8Line())
        .isEqualTo("response B")
      requestBody.writeUtf8("request C\n")
      requestBody.flush()
      assertThat(responseBody.readUtf8Line())
        .isEqualTo("response D")
      requestBody.writeUtf8("request E\n")
      requestBody.flush()

    Thread thread = new Thread("writer") {
      @Override public void run() {
        try {
          sink.writeUtf8("Numbers\n");
          sink.writeUtf8("-------\n");
          for (int i = 2; i <= 997; i++) {
            System.out.println(i);
            Thread.sleep(10);
            sink.writeUtf8(String.format(" * %s = %s\n", i, factor(i)));
          }
          sink.close();

        socket.sink.buffer().use { sink ->
          socket.source.buffer().use { source ->
            sink.writeUtf8("client says hello\n")
            sink.flush()

            assertThat(source.readUtf8Line()).isEqualTo("server says hello")

            sink.writeUtf8("client says goodbye\n")
            sink.flush()

            assertThat(source.readUtf8Line()).isEqualTo("server says goodbye")

      object : RequestBody() {
        override fun contentType() = MEDIA_TYPE_MARKDOWN

        override fun writeTo(sink: BufferedSink) {
          sink.writeUtf8("Numbers\n")
          sink.writeUtf8("-------\n")
          for (i in 2..997) {
            sink.writeUtf8(String.format(" * $i = ${factor(i)}\n"))
          }
        }

        private fun factor(n: Int): String {
          for (i in 2 until n) {

      object : ResponseBody() {
        override fun contentType(): MediaType? = null

        override fun contentLength(): Long = 5

        override fun source(): BufferedSource {
          val source = Buffer().writeUtf8("hello")
          return object : ForwardingSource(source) {
            override fun close() {
              closed = true
              super.close()
            }
          }.buffer()
        }
      }