return delegate!!.handshakeApplicationProtocol
  }

  override fun setHandshakeApplicationProtocolSelector(selector: BiFunction<SSLSocket, MutableList<String>, String>?) {
    delegate!!.handshakeApplicationProtocolSelector = selector
  }

  override fun getHandshakeApplicationProtocolSelector(): BiFunction<SSLSocket, MutableList<String>, String> {

        return;
      }

      Document document = Jsoup.parse(response.body().string(), url.toString());
      for (Element element : document.select("a[href]")) {
        String href = element.attr("href");
        HttpUrl link = response.request().url().resolve(href);
        if (link == null) continue; // URL is either invalid or its scheme isn't http/https.

     * Sets the proxy selection policy to be used if no [proxy][proxy] is specified explicitly. The
     * proxy selector may return multiple proxies; in that case they will be tried in sequence until
     * a successful connection is established.
     *
     * If unset, the [system-wide default][ProxySelector.getDefault] proxy selector will be used.
     */
    fun proxySelector(proxySelector: ProxySelector) =
      apply {

    prefer the JDK’s precedence order.) This change may cause your HTTP calls to negotiate a
    different cipher suite than before! OkHttp's defaults cipher suites are selected for good
    security and performance.

 *  New: `ConnectionListener` publishes events for connects, disconnects, and use of pooled
    connections.

    if (!isRecoverable(e, requestSendStarted)) return false

    // No more routes to attempt.
    if (!call.retryAfterFailure()) return false

    // For failure recovery, use the same route selector with a new connection.
    return true
  }

  private fun requestIsOneShot(
    e: IOException,
    userRequest: Request,
  ): Boolean {
    val requestBody = userRequest.body

  @Test fun ipv6AddressMalformed() {
    val cookie = parse("http://[::1]/".toHttpUrl(), "a=b; domain=::2::2")
    assertThat(cookie!!.domain).isEqualTo("::1")
  }

  /**
   * These public suffixes were selected by inspecting the publicsuffix.org list. It's possible they
   * may change in the future. If this test begins to fail, please double check they are still
   * present in the public suffix list.
   */

/** Runs the web platform ToAscii tests. */
class WebPlatformToAsciiTest {
  @Suppress("ktlint:standard:max-line-length")
  val knownFailures =
    setOf(
      // OkHttp rejects empty labels.
      "x..xn--zca",
      "x..ß",
      // OkHttp rejects labels longer than 63 code points, the web platform tests don't.
      "x01234567890123456789012345678901234567890123456789012345678901x.xn--zca",

...
BUILD SUCCESSFUL in 1m 30s
63 actionable tasks: 61 executed, 2 up-to-date

```

import java.util.Set;
import okhttp3.CertificatePinner;
import okhttp3.Interceptor;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public final class CheckHandshake {
  /** Rejects otherwise-trusted certificates. */
  private static final Interceptor CHECK_HANDSHAKE_INTERCEPTOR = new Interceptor() {
    final Set<String> denylist = Collections.singleton(

  }

  @Test fun sharesRouteDatabase() {
    val client =
      OkHttpClient.Builder()
        .build()
    val proxySelector: ProxySelector =
      object : ProxySelector() {
        override fun select(uri: URI): List<Proxy> = listOf()

        override fun connectFailed(
          uri: URI,
          socketAddress: SocketAddress,
          e: IOException,
        ) {}
      }