*  Fix: Read the response even if writing the request fails. This means you'll get a proper HTTP
    response even if the server rejects your request body.
 *  Fix: Use literal IP addresses directly rather than passing them to `DnsOverHttps`.
 *  Fix: Embed Proguard rules to prevent warnings from tools like DexGuard and R8. These warnings
    were triggered by OkHttp’s feature detection for TLS packages like `org.conscrypt`,

    }.also { expected ->
      assertThat(expected.message).isEqualTo("Too many follow-up requests: 21")
    }
  }

  /**
   * We had a bug where we were passing a null route to the authenticator.
   * https://github.com/square/okhttp/issues/3809
   */
  @Test
  fun authenticateWithNoConnection() {
    server.enqueue(
      MockResponse(
        code = 401,

    assertValue("b", "bb", "bbbb")
    assertValue("c", "c", "c")

    // Causing the size to grow to 10 should evict nothing.
    set("d", "d", "d")
    cache.flush()
    assertThat(cache.size()).isEqualTo(10)
    assertAbsent("a")
    assertValue("b", "bb", "bbbb")
    assertValue("c", "c", "c")
    assertValue("d", "d", "d")

    // Causing the size to grow to 18 should evict 'B' and 'C'.
    set("e", "eeee", "eeee")

   * from the remote peer. Existing streams are not impacted. This is intended to permit an endpoint
   * to gracefully stop accepting new requests without harming previously established streams.
   */
  @Throws(IOException::class)
  fun shutdown(statusCode: ErrorCode) {
    writer.withLock {
      val lastGoodStreamId: Int
      this.withLock {
        if (isShutdown) {