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())

 * to a remote host. Newer TLS options are quite useful:
 *
 *  * Server Name Indication (SNI) enables one IP address to negotiate secure connections for
 *    multiple domain names.
 *
 *  * Application Layer Protocol Negotiation (ALPN) enables the HTTPS port (443) to be used to
 *    negotiate HTTP/2.
 *
 * Unfortunately, older HTTPS servers refuse to connect when such options are presented. Rather than

   */
  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>()

  /**
   * False unless we made a recursive call to [write] at the current stack frame. The explicit box

      if (host != null) {
        result.add(Header(TARGET_AUTHORITY, host)) // Optional.
      }
      result.add(Header(TARGET_SCHEME, request.url.scheme))

      for (i in 0 until headers.size) {
        // header names must be lowercase.
        val name = headers.name(i).lowercase(Locale.US)
        if (name !in HTTP_2_SKIPPED_REQUEST_HEADERS ||
          name == TE && headers.value(i) == "trailers"
        ) {

    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...