* to mutate the event parameters, or be re-entrant back into the client. Any IO - writing to files
 * or network should be done asynchronously.
 */
abstract class EventListener {
  /**
   * Invoked as soon as a call is enqueued or executed by a client. In case of thread or stream
   * limits, this call may be executed well before processing the request is able to begin.
   *

The first part of the communication is just to establish the connection between the client and the server and to decide the cryptographic keys they will use, etc.

<img src="/img/deployment/https/https02.drawio.svg">

This interaction between the client and the server to establish the TLS connection is called the **TLS handshake**.

### TLS with SNI Extension { #tls-with-sni-extension }

        .build()
    var client = buildClient(clientCert, clientIntermediateCa.certificate)
    val listener = RecordingEventListener()
    client =
      client
        .newBuilder()
        .eventListener(listener)
        .build()
    val socketFactory = buildServerSslSocketFactory()
    server.useHttps(socketFactory)
    server.requireClientAuth()

    client.newCall(request).execute().use {
      assertThat(it.protocol).isEqualTo(Protocol.HTTP_2)
      assertThat(it.handshake!!.tlsVersion).isEqualTo(TlsVersion.TLS_1_3)
    }

    client.connectionPool.evictAll()
    assertEquals(0, client.connectionPool.connectionCount())

    client.newCall(request).execute().use {

        this.threadPoolSize = threadPoolSize;
        return this;
    }

    /**
     * Builds a Suggester instance.
     * @param client The OpenSearch client.
     * @param id The ID.
     * @return A Suggester instance.
     */
    public Suggester build(final Client client, final String id) {
        if (settings == null) {
            if (settingsBuilder == null) {

  val clientTestRule = OkHttpClientTestRule()

  @StartStop
  private val server = MockWebServer()

  private var client = clientTestRule.newClient()

  @Test
  fun testNetscapeResponse() {
    val cookieManager = CookieManager(null, CookiePolicy.ACCEPT_ORIGINAL_SERVER)
    client =
      client
        .newBuilder()
        .cookieJar(JavaNetCookieJar(cookieManager))
        .build()

    )

  fun newRoutePlanner(
    client: OkHttpClient,
    address: Address = newAddress(),
  ): RealRoutePlanner {
    val call = RealCall(client, Request(address.url), forWebSocket = false)
    val chain = newChain(call)
    return RealRoutePlanner(
      taskRunner = client.taskRunner,
      connectionPool = client.connectionPool.delegate,
      readTimeoutMillis = client.readTimeoutMillis,

      client =
        client
          .newBuilder()
          .sslSocketFactory(
            handshakeCertificates.sslSocketFactory(),
            handshakeCertificates.trustManager,
          ).hostnameVerifier(RecordingHostnameVerifier())
          .build()
    }
    server.enqueue(MockResponse())
    client =
      client
        .newBuilder()

    }
  }

  @Test
  fun none() {
    server.enqueue(MockResponse())
    client.newCall(request().build()).execute()
    applicationLogs.assertNoMoreLogs()
    networkLogs.assertNoMoreLogs()
  }

  @Test
  fun basicGet() {
    setLevel(Level.BASIC)
    server.enqueue(MockResponse())
    client.newCall(request().build()).execute()
    applicationLogs
      .assertLogEqual("--> GET $url")

        String s = Config.getProperty("jcifs.smb1.smb.client.TreeConnectAndX.CheckDirectory");

        if (s != null) {
            batchLimits[0] = Byte.parseByte(s);
        }
        if ((s = Config.getProperty("jcifs.smb1.smb.client.TreeConnectAndX.CreateDirectory")) != null) {
            batchLimits[2] = Byte.parseByte(s);
        }
        if ((s = Config.getProperty("jcifs.smb1.smb.client.TreeConnectAndX.Delete")) != null) {