add(buildCryptoSx(client)) // 521 - server down
      }
      add(buildChantra(client))
    }

  private fun getByIp(host: String): InetAddress =
    try {
      InetAddress.getByName(host)
    } catch (e: UnknownHostException) {
      // unlikely
      throw RuntimeException(e)
    }

  }

  private fun startTlsServer(): InetSocketAddress {
    val serverSocketFactory = ServerSocketFactory.getDefault()
    serverSocket = serverSocketFactory.createServerSocket()
    val serverAddress = InetAddress.getByName("localhost")
    serverSocket!!.bind(InetSocketAddress(serverAddress, 0), 50)
    return InetSocketAddress(serverAddress, serverSocket!!.localPort)
  }

  @JvmStatic
  fun awaitGarbageCollection() {
    Runtime.getRuntime().gc()
    Thread.sleep(100)
    System.runFinalization()
  }

  @JvmStatic
  fun assumeNetwork() {
    try {
      InetAddress.getByName("www.google.com")
    } catch (uhe: UnknownHostException) {
      assumeTrue(false, "requires network")
    }
  }

  @JvmStatic
  fun assumeNotWindows() {

        css.include("*.css");
        extension.getCssFiles().from(css);

        extension.getRenderedDocumentation().from(stageDocs);

        Configuration runtimeClasspath = project.getConfigurations().getByName("runtimeClasspath");
        Configuration sourcesPath = project.getConfigurations().create("sourcesPath");
        sourcesPath.attributes(a -> {

        }
        // It would be nice if we could be more selective about which variants to apply this to.
        // TODO https://github.com/gradle/gradle/issues/11831#issuecomment-580686994
        artifactTypes.getByName("jar") {
            attributes.attribute(minified, java.lang.Boolean.FALSE)
        }
        /*
         * It would perhaps be better to do this more selectively instead of applying this transform so broadly and having

        attribute(NullawayAttributes.nullawayAttribute) {
            compatibilityRules.add(NullawayCompatibilityRule::class.java)
        }
    }
}

project.plugins.withType<JavaBasePlugin> {
    project.extensions.getByName<SourceSetContainer>("sourceSets").configureEach {
        val isMainSourceSet = (name == "main")

        val extension = this.extensions.create<ErrorProneSourceSetExtension>(
            "errorprone",

      assumeTrue((socketMode.provider == CONSCRYPT) == platform.isConscrypt())
    }

    val client =
      clientTestRule
        .newClientBuilder()
        .dns { listOf(InetAddress.getByName("localhost")) }
        .callTimeout(4, SECONDS)
        .writeTimeout(2, SECONDS)
        .readTimeout(2, SECONDS)
        .apply {
          if (socketMode is TlsInstance) {

      .includeIPv6(includeIPv6)
      .resolvePrivateAddresses(true)
      .url(url)
      .post(post)
      .build()
  }

  companion object {
    private fun address(host: String) = InetAddress.getByName(host)
  }

      mutableInetSocketAddresses += InetSocketAddress.createUnresolved(socketHost, socketPort)
    } else {
      val addresses =
        if (socketHost.canParseAsIpAddress()) {
          listOf(InetAddress.getByName(socketHost))
        } else {
          call.eventListener.dnsStart(call, socketHost)

          val result = address.dns.lookup(socketHost)
          if (result.isEmpty()) {

  }

  private fun urlWithIpAddress(
    server: MockWebServer,
    path: String,
  ): HttpUrl =
    server
      .url(path)
      .newBuilder()
      .host(InetAddress.getByName(server.hostName).hostAddress)
      .build()

  private operator fun get(url: HttpUrl) {
    val call =
      client.newCall(
        Request
          .Builder()
          .url(url)