![Events Diagram](../assets/images/******@****.***)

### Availability

        null, "" -> null
        else -> protocol
      }
    } else {
      super.getSelectedProtocol(sslSocket)
    }

  companion object {
    val isSupported: Boolean =
      try {
        // Trigger an early exception over a fatal error, prefer a RuntimeException over Error.
        Class.forName("org.bouncycastle.jsse.provider.BouncyCastleJsseProvider", false, javaClass.classLoader)

        true

  abstract fun source(): BufferedSource

  /**
   * Returns the response as a byte array.
   *
   * This method loads entire response body into memory. If the response body is very large this
   * may trigger an [OutOfMemoryError]. Prefer to stream the response body if this is a
   * possibility for your response.
   */
  @Throws(IOException::class)
  fun bytes() = commonBytes()

  /**

    dispatcher.maxRequests = 1
    client.newCall(request1).enqueue(callback)
    executor.shutdown()
    client.newCall(request2).enqueue(callback)
    dispatcher.maxRequests = 2 // Trigger promotion.
    callback.await(request2.url).assertFailure(InterruptedIOException::class.java)
    assertThat(listener.recordedEventTypes())
      .containsExactly("CallStart", "CallStart", "CallFailed")
  }

  @Test

        .build();

    Request request = new Request.Builder()
        .url("ws://echo.websocket.org")
        .build();
    client.newWebSocket(request, this);

    // Trigger shutdown of the dispatcher's executor so this process exits immediately.
    client.dispatcher().executorService().shutdown();
  }

  @Override public void onOpen(WebSocket webSocket, Response response) {

        null, "" -> null
        else -> protocol
      }
    } else {
      super.getSelectedProtocol(sslSocket)
    }

  companion object {
    val isSupported: Boolean =
      try {
        // Trigger an early exception over a fatal error, prefer a RuntimeException over Error.
        Class.forName("org.openjsse.net.ssl.OpenJSSE", false, javaClass.classLoader)

        true
      } catch (_: ClassNotFoundException) {

    return newSSLContext().apply {
      init(null, arrayOf<TrustManager>(trustManager), null)
    }.socketFactory
  }

  companion object {
    val isSupported: Boolean =
      try {
        // Trigger an early exception over a fatal error, prefer a RuntimeException over Error.
        Class.forName("org.conscrypt.Conscrypt\$Version", false, javaClass.classLoader)

        when {

        body = "abc",
        socketPolicy = DisconnectAtEnd,
      ),
    )
    server.enqueue(
      MockResponse(body = "def"),
    )

    // Send a separate request which will trigger a GOAWAY frame on the healthy connection.
    val response = getResponse(newRequest("/"))
    assertContent("abc", response)

    // Ensure the GOAWAY frame has time to be read and processed.
    Thread.sleep(500)

    val parentFile = parentFile ?: return false
    if (parentFile == directory) return true
    return parentFile.isDescendentOf(directory)
  }

  /**
   * See FinalizationTester for discussion on how to best trigger GC in tests.
   * https://android.googlesource.com/platform/libcore/+/master/support/src/test/java/libcore/
   * java/lang/ref/FinalizationTester.java
   */
  @Throws(Exception::class)
  @JvmStatic

 * header, or they may decline the challenge by returning null. In this case the unauthenticated
 * response will be returned to the caller that triggered it.
 *
 * Implementations should check if the initial request already included an attempt to
 * authenticate. If so it is likely that further attempts will not be useful and the authenticator
 * should give up.
 *