server.protocolNegotiationEnabled = true
    server.protocols = client.protocols
  }

  /**
   * Used during tests that involve TLS connection fallback attempts. OkHttp includes the
   * TLS_FALLBACK_SCSV cipher on fallback connections. See [FallbackTestClientSocketFactory]
   * for details.
   */

    e: IOException,
  )

  /**
   * Called when the HTTP response was successfully returned by the remote server. The callback may
   * proceed to read the response body with [Response.body]. The response is still live until its
   * response body is [closed][ResponseBody]. The recipient of the callback may consume the response
   * body on another thread.
   *

  }

  private static String scopeWithDelimiter(Inet6Address ip) {
    // getHostAddress on android sometimes maps the scope ID to an invalid interface name; if the
    // mapped interface isn't present, fallback to use the scope ID (which has no validation against
    // present interfaces)
    NetworkInterface scopedInterface = ip.getScopedInterface();
    if (scopedInterface != null) {
      return "%" + scopedInterface.getName();

        String input = "callback1\ncallback2";
        InputStream is = new ByteArrayInputStream(input.getBytes(StandardCharsets.UTF_8));

        List<String> callbackResults = new ArrayList<>();
        Consumer<String> callback = line -> callbackResults.add(line);

        InputStreamThread thread = new InputStreamThread(is, StandardCharsets.UTF_8, 10, callback);
        thread.start();
        thread.join(1000);

                Request
                  .Builder()
                  .url(server.url("/a"))
                  .build()
              try {
                val callbackA = RecordingCallback()
                client.newCall(requestA).enqueue(callbackA)
                callbackA.await(requestA.url).assertBody("a")
              } catch (e: Exception) {
                throw RuntimeException(e)
              }
            }

;g=meta.k8s.io;v1=v1beta1`.  Older servers will ignore this representation or return an error if it is not available.  Clients may request fallback to the normal object by adding a non-qualified mime-type to their `Accept` header like `application/json` - the server will then respond with either the alternate representation if it is supported or the fallback mime-type which is the normal object response. ([#59059](https://github.com/kubernetes/kubernetes/pull/59059), [@smarterclayton](https://gi...

      |
      """.trimMargin(),
    )
    assertThat(callbacks).isEmpty()
  }

  private fun consumeEvents(source: String) {
    val callback: ServerSentEventReader.Callback =
      object : ServerSentEventReader.Callback {
        override fun onEvent(
          id: String?,
          type: String?,
          data: String,
        ) {
          callbacks.add(Event(id, type, data))
        }

  override fun handle(callbacks: Array<Callback>) {
    for (callback in callbacks) {
      if (callback is PasswordCallback) {
        val console = System.console()

        if (console != null) {
          callback.password = console.readPassword(callback.prompt)
        } else {
          System.err.println(callback.prompt)
          callback.password =
            System.`in`

import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.util.HashMap;

import javax.security.auth.Subject;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.callback.PasswordCallback;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;

- Kubeadm: support automatic retry after failing to pull image ([#86899](https://github.com/kubernetes/kubernetes/pull/86899), [@SataQiu](https://github.com/SataQiu)) [SIG Cluster Lifecycle]
- Kubeadm: upgrade supports fallback to the nearest known etcd version if an unknown k8s version is passed ([#88373](https://github.com/kubernetes/kubernetes/pull/88373), [@SataQiu](https://github.com/SataQiu)) [SIG Cluster Lifecycle]