lockB.unlock();
    lockA.lock();
  }

  // Tests transitive deadlock detection.
  public void testDeadlock_threeLocks() {
    // Establish an ordering from lockA -> lockB.
    lockA.lock();
    lockB.lock();
    lockB.unlock();
    lockA.unlock();

    // Establish an ordering from lockB -> lockC.
    lockB.lock();
    lockC.lock();
    lockB.unlock();

    // lockC -> lockA should fail.

    lockB.unlock();
    lockA.lock();
  }

  // Tests transitive deadlock detection.
  public void testDeadlock_threeLocks() {
    // Establish an ordering from lockA -> lockB.
    lockA.lock();
    lockB.lock();
    lockB.unlock();
    lockA.unlock();

    // Establish an ordering from lockB -> lockC.
    lockB.lock();
    lockC.lock();
    lockB.unlock();

    // lockC -> lockA should fail.

 * host platform (like Android). In July 2018 Android had 134 trusted root certificates for its HTTP
 * clients to trust.
 *
 * For example, in order to establish a secure connection to `https://www.squareup.com/`,
 * these three certificates are used.
 *
 * ```
 * www.squareup.com certificate:
 *
 * Common Name: www.squareup.com

 *
 * This class provides Single Sign-On (SSO) authentication using the SPNEGO protocol,
 * which is commonly used for Kerberos-based authentication in Windows environments.
 * It handles the negotiation between client and server to establish a secure
 * authentication context without requiring users to explicitly enter credentials.
 *
 * The authenticator supports various configuration options including delegation,

import java.util.Set;
import java.util.concurrent.atomic.AtomicInteger;
import org.jspecify.annotations.Nullable;

/**
 * An object of this class encapsulates type mappings from type variables. Mappings are established
 * with {@link #where} and types are resolved using {@link #resolveType}.
 *
 * <p>Note that usually type mappings are already implied by the static type hierarchy (for example,

   *
   * This method is safe to be called concurrently, but provides limited guarantees. If a transport
   * layer connection has been established (such as a HTTP/2 stream) that is terminated. Otherwise
   * if a socket connection is being established, that is terminated.
   */
  override fun cancel() {
    if (canceled) return // Already canceled.

    canceled = true
    exchange?.cancel()

   *  * If received data is unexpected: [exception] is a [ProtocolException].
   *
   * Each call is made on either a reused [Connection] from a pool, or on a new connection
   * established from a planned [Route]. OkHttp won't retry if it's already attempted all
   * available routes.
   *
   * @param retry true if OkHttp will make another attempt
   */
  open fun retryDecision(
    call: Call,

import java.util.Set;
import java.util.concurrent.atomic.AtomicInteger;
import org.jspecify.annotations.Nullable;

/**
 * An object of this class encapsulates type mappings from type variables. Mappings are established
 * with {@link #where} and types are resolved using {@link #resolveType}.
 *
 * <p>Note that usually type mappings are already implied by the static type hierarchy (for example,

import org.openjsse.net.ssl.OpenJSSE
import org.opentest4j.TestAbortedException

/**
 * Marks a test as Platform aware, before the test runs a consistent Platform will be
 * established e.g. SecurityProvider for Conscrypt installed.
 *
 * Also allows a test file to state general platform assumptions, or for individual test.
 */
@Suppress("unused", "MemberVisibilityCanBePrivate")
open class PlatformRule

   * proceed normally. The connection will also proceed normally if the client presents no
   * certificate at all! But if the client presents an untrusted certificate the handshake
   * will fail and no connection will be established.
   */
  public fun requestClientAuth() {
    this.clientAuth = CLIENT_AUTH_REQUESTED
  }

  /**
   * Configure the server to [need client auth][SSLSocket.setNeedClientAuth]. If the