for (dns in dnsProviders) {
    println("Testing ${dns.url}")
    for (host in names) {
      print("$host: ")
      System.out.flush()
      try {
        val results = dns.lookup(host)
        println(results)
      } catch (uhe: UnknownHostException) {
        var e: Throwable? = uhe
        while (e != null) {
          println(e)
          e = e.cause
        }
      }
    }

  @Override public synchronized void onOpen(WebSocket webSocket, Response response) {
    System.out.println("onOpen: " + response);
  }

  // TOOD(jwilson): decode incoming messages and dispatch them somewhere.
  @Override public void onMessage(WebSocket webSocket, String text) {
    System.out.println("onMessage: " + text);
  }

  @Override public void onClosing(WebSocket webSocket, int code, String reason) {

        if (tlsVersions.contains(TLS_1_2)) {
          println("TLSv1.2 traffic will be logged automatically and available via wireshark")
        }

        if (tlsVersions.contains(TLS_1_3)) {
          println("TLSv1.3 requires an external command run before first traffic is sent")
          println("Follow instructions at https://github.com/neykov/extract-tls-secrets for TLSv1.3")
          println("Pid: ${ProcessHandle.current().pid()}")

                println("NullAway enabled in ${enabledCount} ${projectS(enabledCount)}.")

                if (projectsToEnableNullaway.isNotEmpty()) {
                    println("${toEnableCount} ${projectS(toEnableCount)} with checked dependencies are ready to be worked on:")
                    projectsToEnableNullaway.sorted().forEach {
                        println("  * $it")
                    }

              newLocationUrl: String,
            ) {
              println("request " + info.httpStatusCode + " " + newLocationUrl)
              request.followRedirect()
            }

            override fun onResponseStarted(
              request: UrlRequest,
              info: UrlResponseInfo,
            ) {
              println("onResponseStarted ${info.headers.asMap} ${info.negotiatedProtocol}")

        if (!it.isSuccessful) throw IOException("Unexpected code $it")

        println("Response 2 response:          $it")
        println("Response 2 cache response:    ${it.cacheResponse}")
        println("Response 2 network response:  ${it.networkResponse}")
        return@use it.body.string()
      }

    println("Response 2 equals Response 1? " + (response1Body == response2Body))
  }
}

fun main() {

        .newBuilder()
        .readTimeout(500, TimeUnit.MILLISECONDS)
        .build()
    try {
      client1.newCall(request).execute().use { response ->
        println("Response 1 succeeded: $response")
      }
    } catch (e: IOException) {
      println("Response 1 failed: $e")
    }

    // Copy to customize OkHttp for this request.
    val client2 =
      client
        .newBuilder()

        System.out.println("[" + prefix + "] " + content.toString());
    }

    private void print(String prefix, Throwable error) {
        StringWriter sWriter = new StringWriter();
        PrintWriter pWriter = new PrintWriter(sWriter);

        error.printStackTrace(pWriter);

        System.out.println("[" + prefix + "] " + sWriter);
    }

      response2Body = response2.body().string();
      System.out.println("Response 2 response:          " + response2);
      System.out.println("Response 2 cache response:    " + response2.cacheResponse());
      System.out.println("Response 2 network response:  " + response2.networkResponse());
    }

    System.out.println("Response 2 equals Response 1? " + response1Body.equals(response2Body));
  }

    System.out.println("MESSAGE: " + text);
  }

  @Override public void onMessage(WebSocket webSocket, ByteString bytes) {
    System.out.println("MESSAGE: " + bytes.hex());
  }

  @Override public void onClosing(WebSocket webSocket, int code, String reason) {
    webSocket.close(1000, null);
    System.out.println("CLOSE: " + code + " " + reason);
  }