}

  /** Returns the negotiated protocol, or null if no protocol was negotiated. */
  open fun getSelectedProtocol(sslSocket: SSLSocket): String? = null

  /** For MockWebServer. This returns the inbound SNI names. */
  @SuppressLint("NewApi")
  @IgnoreJRERequirement // This function is overridden to require API >= 24.
  open fun getHandshakeServerNames(sslSocket: SSLSocket): List<String> {

    locality and performance OkHttp attempts to use the same pooled connection across redirects and
    follow-ups. It independently shares connections when the IP addresses and certificates match,
    even if the host names do not. In 4.4.0 we introduced a regression where we shared a connection
    when certificates matched but the DNS addresses did not. This would only occur when following a

      .isEqualTo(bytes)
    assertThat(CertificateAdapters.extension.fromDer(bytes))
      .isEqualTo(extension)
  }

  @Test fun `extension with type hint for subject alternative names`() {
    val extension =
      Extension(
        SUBJECT_ALTERNATIVE_NAME,
        false,
        listOf(
          generalNameDnsName to "cash.app",
          generalNameDnsName to "www.cash.app",

   */
  var typeHint: Any?
    get() = typeHintStack.lastOrNull()
    set(value) {
      typeHintStack[typeHintStack.size - 1] = value
    }

  /** Names leading to the current location in the ASN.1 document. */
  private val path = mutableListOf<String>()

  private var constructed = false

  private var peekedHeader: DerHeader? = null

  private val bytesLeft: Long

     */
    internal var lockingSourceCount = 0

    /** The sequence number of the most recently committed edit to this entry. */
    internal var sequenceNumber: Long = 0

    init {
      // The names are repetitive so re-use the same builder to avoid allocations.
      val fileBuilder = StringBuilder(key).append('.')
      val truncateTo = fileBuilder.length
      for (i in 0 until valueCount) {

      the terms of any separate license agreement you may have executed
      with Licensor regarding such Contributions.

   6. Trademarks. This License does not grant permission to use the trade
      names, trademarks, service marks, or product names of the Licensor,
      except as required for reasonable and customary use in describing the
      origin of the Work and reproducing the content of the NOTICE file.

    server.useHttps(serverHandshakeCertificates.sslSocketFactory())
    url = server.url("/robots.txt")
  }

  /**
   * Test connecting to the main host then an alternative, although only subject alternative names
   * are used if present no special consideration of common name.
   */
  @Test
  fun commonThenAlternative() {
    server.enqueue(MockResponse())
    server.enqueue(MockResponse())

    assertThat(okHttpCertificate.tbsCertificate.serialNumber).isEqualTo(BigInteger("17"))
  }

  @Test
  fun `missing subject alternative names`() {
    val certificate =
      HeldCertificate.Builder()
        .certificateAuthority(3)
        .commonName("Jurassic Park")
        .organizationalUnit("Gene Research")
        .validityInterval(-1000L, 2000L)

        }
      }
    ```

### Posting form parameters ([.kt][PostFormKotlin], [.java][PostFormJava])

Use `FormBody.Builder` to build a request body that works like an HTML `<form>` tag. Names and values will be encoded using an HTML-compatible form URL encoding.

=== ":material-language-kotlin: Kotlin"
    ```kotlin
      private val client = OkHttpClient()

      fun run() {

futtsu.chiba.jp futurehosting.at futuremailing.at fvg.it fyi fylkesbibl.no fyresdal.no førde.no g.bg g.se g.vbrplsbx.io g12.br ga ga.us gaivuotna.no gal gallery gallery.museum gallo gallup galsa.no gamagori.aichi.jp game game-host.org game-server.cc game.tw games games.hu gamo.shiga.jp gamvik.no gangaviika.no gangwon.kr gap garden garden.museum gateway.museum gaular.no gausdal.no gay gb gb.net gbiz gc.ca gd gd.cn gda.pl gdansk.pl gdn gdynia.pl ge ge.it gea geek.nz geekgalaxy.com geelvinck.museum gehirn.ne.jp geisei.kochi.jp...