and is only suitable for experimental use.
 *  New: MockWebServer now supports client authentication (mutual TLS). Call `requestClientAuth()`
    to permit an optional client certificate or `requireClientAuth()` to require one.
 *  New: `RecordedRequest.getHandshake()` returns the HTTPS handshake of a request sent to
    `MockWebServer`.
 *  Fix: Honor the `MockResponse` header delay in MockWebServer.

    var requestCount: Int = mockWebServer.requestCount
    mockWebServer.enqueue(MockResponse())
    mockWebServer.start()
    mockWebServer.start(0)
    mockWebServer.start(InetAddress.getLocalHost(), 0)
    mockWebServer.shutdown()
    var dispatcher: okhttp3.mockwebserver.Dispatcher = mockWebServer.dispatcher
    dispatcher = mockWebServer.dispatcher

  }

  @Test @Disabled
  fun mockWebServer() {
    val mockWebServer = MockWebServer()
    var port: Int = mockWebServer.getPort()
    mockWebServer.setServerSocketFactory(ServerSocketFactory.getDefault())
    mockWebServer.setBodyLimit(0L)
    mockWebServer.setProtocolNegotiationEnabled(false)
    mockWebServer.setProtocols(listOf(Protocol.HTTP_1_1))

import okhttp3.OkHttpClient
import okhttp3.Request
import okhttp3.mockwebserver.MockResponse
import okhttp3.mockwebserver.MockWebServer
import okhttp3.tls.HandshakeCertificates
import okhttp3.tls.internal.TlsUtil

class DevServer {
  val handshakeCertificates = TlsUtil.localhost()

  val server =
    MockWebServer().apply {
      useHttps(handshakeCertificates.sslSocketFactory(), false)

      enqueue(

import okhttp3.OkHttpClient
import okhttp3.OkHttpClientTestRule
import okhttp3.Request
import okhttp3.RequestBody
import okhttp3.Response
import okhttp3.mockwebserver.MockResponse
import okhttp3.mockwebserver.MockWebServer
import okhttp3.mockwebserver.SocketPolicy
import okhttp3.testing.PlatformRule
import okio.Buffer
import okio.BufferedSink
import org.junit.jupiter.api.AfterEach
import org.junit.jupiter.api.BeforeEach

import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManagerFactory;
import okhttp3.mockwebserver.Dispatcher;
import okhttp3.mockwebserver.MockResponse;
import okhttp3.mockwebserver.MockWebServer;
import okhttp3.mockwebserver.RecordedRequest;
import okio.Buffer;
import okio.Okio;

public class SampleServer extends Dispatcher {
  private final SSLContext sslContext;

 */
package okhttp3.recipes;

import java.net.InetAddress;
import okhttp3.Call;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import okhttp3.mockwebserver.MockResponse;
import okhttp3.mockwebserver.MockWebServer;
import okhttp3.tls.HandshakeCertificates;
import okhttp3.tls.HeldCertificate;

/**
 * Create an HTTPS server with a self-signed certificate that OkHttp trusts.
 */

        this[OkHttpClient::class.java.name] = "okhttp.OkHttpClient"
        this[Http2::class.java.name] = "okhttp.Http2"
        this[TaskRunner::class.java.name] = "okhttp.TaskRunner"
        this["okhttp3.mockwebserver.MockWebServer"] = "okhttp.MockWebServer"
      }.toMap()

  internal fun androidLog(
    loggerName: String,
    logLevel: Int,
    message: String,
    t: Throwable? = null,
  ) {
    val tag = loggerTag(loggerName)

import java.util.Collections;
import okhttp3.OkHttpClient;
import okhttp3.Protocol;
import okhttp3.Request;
import okhttp3.Response;
import okhttp3.mockwebserver.MockResponse;
import okhttp3.mockwebserver.MockWebServer;

/**
 * Create UNIX domain sockets for MockWebServer and OkHttp and connect 'em together. Note that we
 * cannot do TLS over domain sockets.
 */
public class ClientAndServer {
  public void run() throws Exception {

policy:

```java
HandshakeCertificates serverCertificates = new HandshakeCertificates.Builder()
    .heldCertificate(localhostCertificate)
    .build();
MockWebServer server = new MockWebServer();
server.useHttps(serverCertificates.sslSocketFactory(), false);
```

`HandshakeCertificates` also works for clients where its job is to define which root certificates