implements Supplier<T>, Serializable {
    private transient Object lock = new Object();

    final Supplier<T> delegate;
    transient volatile boolean initialized;
    // "value" does not need to be volatile; visibility piggy-backs
    // on volatile read of "initialized".
    transient @Nullable T value;

    MemoizingSupplier(Supplier<T> delegate) {
      this.delegate = checkNotNull(delegate);
    }

      implements Supplier<T>, Serializable {
    private transient Object lock = new Object();

    final Supplier<T> delegate;
    transient volatile boolean initialized;
    // "value" does not need to be volatile; visibility piggy-backs
    // on volatile read of "initialized".
    transient @Nullable T value;

    MemoizingSupplier(Supplier<T> delegate) {
      this.delegate = checkNotNull(delegate);
    }

   *       argument.
   * </ul>
   */
  volatile @Nullable Object valueField;

  /** All listeners. */
  volatile @Nullable Listener listenersField;

  /** All waiting threads. */
  volatile @Nullable Waiter waitersField;

  /** Non-volatile write of the thread to the {@link Waiter#thread} field. */

   *       argument.
   * </ul>
   */
  volatile @Nullable Object valueField;

  /** All listeners. */
  volatile @Nullable Listener listenersField;

  /** All waiting threads. */
  volatile @Nullable Waiter waitersField;

  /** Non-volatile write of the thread to the {@link Waiter#thread} field. */

     *
     * As a guide, all critical volatile reads and writes to the count field are marked in code
     * comments.
     */

    @Weak final MapMakerInternalMap<K, V, E, S> map;

    /**
     * The number of live elements in this segment's region. This does not include unset elements
     * which are awaiting cleanup.
     */
    volatile int count;

    /**

     */
    protected volatile long lastChecked = 0L;

    /**
     * The timestamp of the last modification of the properties file.
     */
    protected volatile long lastModified = 0L;

    /**
     * The properties file.
     */
    protected volatile File propertiesFile;

    /**
     * The properties instance.
     */
    protected volatile Properties properties;

    /**

class HttpLoggingInterceptor
  @JvmOverloads
  constructor(
    private val logger: Logger = Logger.DEFAULT,
  ) : Interceptor {
    @Volatile private var headersToRedact = emptySet<String>()

    @Volatile private var queryParamsNameToRedact = emptySet<String>()

    @set:JvmName("level")
    @Volatile
    var level = Level.NONE

    enum class Level {
      /** No logs. */
      NONE,

      /**

  private val http2Connection: Http2Connection,
) : ExchangeCodec {
  @Volatile private var stream: Http2Stream? = null

  private val protocol: Protocol =
    if (Protocol.H2_PRIOR_KNOWLEDGE in client.protocols) {
      Protocol.H2_PRIOR_KNOWLEDGE
    } else {
      Protocol.HTTP_2
    }

  @Volatile
  private var canceled = false

  override val isResponseComplete: Boolean

   * triggered by cancel(). For details, see the comments on the fields of TimeoutFuture.
   *
   * <p>{@code volatile} is required for j2objc transpiling:
   * https://developers.google.com/j2objc/guides/j2objc-memory-model#atomicity
   */
  private volatile @Nullable InterruptibleTask<?> task;

  TrustedListenableFutureTask(Callable<V> callable) {
    this.task = new TrustedFutureInterruptibleTask(callable);

    private final ExecutorService executor = newSingleThreadExecutor();

    FakeService() {
      tearDownStack.addTearDown(this);
    }

    volatile int startupCalled = 0;
    volatile int shutdownCalled = 0;
    volatile int runCalled = 0;

    @Override
    protected void startUp() throws Exception {
      assertEquals(0, startupCalled);
      assertEquals(0, runCalled);