client
      .newCall(request)
      .execute()
      .use { response ->
        if (!response.isSuccessful) {
          val responseHeaders = response.headers
          for (i in 0 until responseHeaders.size) {
            println(responseHeaders.name(i) + ": " + responseHeaders.value(i))
          }
          throw IOException("Unexpected code $response")
        }
        println(response.body.string())

      var unexpectedValues = false

      // Parse each header.
      for (i in 0 until responseHeaders.size) {
        if (!responseHeaders.name(i).equals(HEADER_WEB_SOCKET_EXTENSION, ignoreCase = true)) {
          continue // Not a header we're interested in.
        }
        val header = responseHeaders.value(i)

        // Parse each extension.
        var pos = 0
        while (pos < header.length) {

          if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

          Headers responseHeaders = response.headers();
          for (int i = 0; i < responseHeaders.size(); i++) {
            System.out.println(responseHeaders.name(i) + ": " + responseHeaders.value(i));
          }

          System.out.println(response.body().string());
        }
      }
    ```

   *     response body exists and will be written immediately.
   */
  @Throws(IOException::class)
  fun writeHeaders(
    responseHeaders: List<Header>,
    outFinished: Boolean,
    flushHeaders: Boolean,
  ) {
    assertLockNotHeld()

    var flushHeaders = flushHeaders
    withLock {
      this.hasResponseHeaders = true

    val responseHeaders = response.headers
    assertThat(LinkedHashSet(responseHeaders.values("A"))).isEqualTo(newSet("c", "e"))
    assertThat(LinkedHashSet(responseHeaders.values("a"))).isEqualTo(newSet("c", "e"))
    assertThat(responseHeaders.name(0)).isEqualTo("A")
    assertThat(responseHeaders.value(0)).isEqualTo("c")
    assertThat(responseHeaders.name(1)).isEqualTo("B")

      return false
    }

    @Synchronized override fun onHeaders(
      streamId: Int,
      responseHeaders: List<Header>,
      last: Boolean,
    ): Boolean {
      assertThat(streamId).isEqualTo(2)
      assertThat(last).isTrue()
      events.add(responseHeaders)
      notifyAll()
      return false
    }

    @Synchronized override fun onData(
      streamId: Int,

        ) = TODO()
      }
  }

  private fun newCookieHandler(): CookieHandler =
    object : CookieHandler() {
      override fun put(
        uri: URI?,
        responseHeaders: MutableMap<String, MutableList<String>>?,
      ) = TODO()

      override fun get(
        uri: URI?,
        requestHeaders: MutableMap<String, MutableList<String>>?,

col","processData","async","contentType","accepts","json","responseFields","converters","* text","text html","text json","text xml","ajaxSetup","settings","ajaxPrefilter","ajaxTransport","ajax","transport","cacheURL","responseHeadersString","responseHeaders","timeoutTimer","urlAnchor","fireGlobals","uncached","callbackContext","globalEventContext","completeDeferred","statusCode","requestHeaders","requestHeadersNames","strAbort","getResponseHeader","getAllResponseHeaders","setRequestHeader","over...

col","processData","async","contentType","accepts","json","responseFields","converters","* text","text html","text json","text xml","ajaxSetup","settings","ajaxPrefilter","ajaxTransport","ajax","transport","cacheURL","responseHeadersString","responseHeaders","timeoutTimer","urlAnchor","fireGlobals","uncached","callbackContext","globalEventContext","completeDeferred","statusCode","requestHeaders","requestHeadersNames","strAbort","getResponseHeader","getAllResponseHeaders","setRequestHeader","over...