@Test fun timeoutValidRange() {
    val builder = OkHttpClient.Builder()
    try {
      builder.callTimeout(Duration.ofNanos(1))
    } catch (ignored: IllegalArgumentException) {
    }
    try {
      builder.connectTimeout(Duration.ofNanos(1))
    } catch (ignored: IllegalArgumentException) {
    }
    try {
      builder.writeTimeout(Duration.ofNanos(1))
    } catch (ignored: IllegalArgumentException) {
    }
    try {

      listOf(
        localhostIpv4,
        localhostIpv6,
      )

    client =
      clientTestRule
        .newClientBuilder()
        .eventListenerFactory(clientTestRule.wrap(listener))
        .connectTimeout(60, TimeUnit.SECONDS) // Deliberately exacerbate slow fallbacks.
        .dns { dnsResults }
        .fastFallback(true)
        .build()
    url =
      serverIpv4
        .url("/")
        .newBuilder()

    builder = builder.callTimeout(0L, TimeUnit.SECONDS)
    builder = builder.callTimeout(Duration.ofSeconds(0L))
    builder = builder.connectTimeout(0L, TimeUnit.SECONDS)
    builder = builder.connectTimeout(Duration.ofSeconds(0L))
    builder = builder.readTimeout(0L, TimeUnit.SECONDS)
    builder = builder.readTimeout(Duration.ofSeconds(0L))
    builder = builder.writeTimeout(0L, TimeUnit.SECONDS)

      Request
        .Builder()
        .url(server.url("/"))
        .build()
    val response = client.newCall(request).execute()
    response.body.close()
  }

  @Test
  fun connectTimeout() {
    val interceptor1 =
      Interceptor { chainA: Interceptor.Chain ->
        assertThat(chainA.connectTimeoutMillis()).isEqualTo(5000)
        val chainB = chainA.withConnectTimeout(100, TimeUnit.MILLISECONDS)

=== ":material-language-kotlin: Kotlin"
    ```kotlin
      private val client: OkHttpClient = OkHttpClient.Builder()
          .connectTimeout(5, TimeUnit.SECONDS)
          .writeTimeout(5, TimeUnit.SECONDS)
          .readTimeout(5, TimeUnit.SECONDS)
          .callTimeout(10, TimeUnit.SECONDS)
          .build()

      fun run() {