*/
private val TLS_13 =
  ConnectionSpec.Builder(true)
    .cipherSuites(*TLS13_CIPHER_SUITES.toTypedArray())
    .tlsVersions(TlsVersion.TLS_1_3)
    .build()

private val TLS_12 =
  ConnectionSpec.Builder(ConnectionSpec.RESTRICTED_TLS)
    .tlsVersions(TlsVersion.TLS_1_2)
    .build()

private fun testClient(
  urls: List<String>,
  client: OkHttpClient,
) {
  try {
    for (url in urls) {

    connectionSpec: ConnectionSpec? = null,
    tlsVersion: TlsVersion? = null,
    cipherSuites: List<CipherSuite>? = null,
  ): OkHttpClient {
    return this.client.newBuilder()
      .apply {
        if (connectionSpec != null) {
          connectionSpecs(
            listOf(
              ConnectionSpec.Builder(connectionSpec)
                .apply {
                  if (tlsVersion != null) {

      assertThat(it.handshake!!.tlsVersion).isEqualTo(TlsVersion.TLS_1_3)
    }

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

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

    assertEquals(2, sessionIds.size)

import okhttp3.Connection
import okhttp3.ConnectionSpec
import okhttp3.EventListener
import okhttp3.Handshake
import okhttp3.OkHttpClient
import okhttp3.Request
import okhttp3.TlsVersion
import okhttp3.TlsVersion.TLS_1_2
import okhttp3.TlsVersion.TLS_1_3
import okhttp3.internal.SuppressSignatureCheck
import okhttp3.recipes.kt.WireSharkListenerFactory.WireSharkKeyLoggerListener.Launch

  /**
   * Returns the TLS version used for this connection. This value wasn't tracked prior to OkHttp
   * 3.0. For responses cached by preceding versions this returns [TlsVersion.SSL_3_0].
   */
  @get:JvmName("tlsVersion") val tlsVersion: TlsVersion,
  /** Returns the cipher suite used for the connection. */
  @get:JvmName("cipherSuite") val cipherSuite: CipherSuite,

    message = "Use body.readUtf8()",
    replaceWith = ReplaceWith("body.readUtf8()"),
    level = DeprecationLevel.ERROR,
  )
  val utf8Body: String
    get() = body.readUtf8()

  val tlsVersion: TlsVersion?
    get() = handshake?.tlsVersion

  internal constructor(
    requestLine: String,
    headers: Headers,
    chunkSizes: List<Int>,
    bodySize: Long,
    body: Buffer,
    sequenceNumber: Int,

  @ValueSource(strings = ["TLSv1.2", "TLSv1.3"])
  @Flaky
  fun testSessionReuse(tlsVersion: String) {
    if (tlsVersion == TlsVersion.TLS_1_3.javaName) {
      assumeTrue(PlatformVersion.majorVersion != 8)
    }

    val sessionIds = mutableListOf<String>()

    enableTls()

    val tlsVersion = TlsVersion.forJavaName(tlsVersion)
    val spec =
      ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS)

    val request = Request.Builder().url("https://mozilla.org/robots.txt").build()

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

  }

  @Test
  fun socketPolicy() {
    val socketPolicy: SocketPolicy = SocketPolicy.KEEP_OPEN
  }

  @Test
  fun tlsVersion() {
    var tlsVersion: TlsVersion = TlsVersion.TLS_1_3
    val javaName: String = tlsVersion.javaName
    tlsVersion = TlsVersion.forJavaName("")
  }

  @Test
  fun webSocket() {
    val webSocket =
      object : WebSocket {

     */
    @JvmField
    val COMPATIBLE_TLS =
      Builder(true)
        .cipherSuites(*APPROVED_CIPHER_SUITES.toTypedArray())
        .tlsVersions(TlsVersion.TLS_1_3, TlsVersion.TLS_1_2, TlsVersion.TLS_1_1, TlsVersion.TLS_1_0)
        .supportsTlsExtensions(true)
        .build()

    /** Unencrypted, unauthenticated connections for `http:` URLs. */
    @JvmField