}

  /**
   * Invokes {@code latch.}{@link CountDownLatch#await(long, TimeUnit) await(timeout, unit)}
   * uninterruptibly.
   */
  @J2ktIncompatible
  @GwtIncompatible // concurrency
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration
  public static boolean awaitUninterruptibly(CountDownLatch latch, long timeout, TimeUnit unit) {
    boolean interrupted = false;
    try {

  @Nullable Strength keyStrength;
  @Nullable Strength valueStrength;

  @SuppressWarnings("GoodTime") // should be a Duration
  long expireAfterWriteNanos = UNSET_INT;

  @SuppressWarnings("GoodTime") // should be a Duration
  long expireAfterAccessNanos = UNSET_INT;

  @SuppressWarnings("GoodTime") // should be a Duration
  long refreshNanos = UNSET_INT;

  @Nullable Equivalence<Object> keyEquivalence;

@GwtCompatible
public final class CacheStats {
  private final long hitCount;
  private final long missCount;
  private final long loadSuccessCount;
  private final long loadExceptionCount;

  @SuppressWarnings("GoodTime") // should be a java.time.Duration
  private final long totalLoadTime;

  private final long evictionCount;

  /**
   * Constructs a new {@code CacheStats} instance.
   *

  }

  @SuppressWarnings("GoodTime")
  private long currentTimeNanos() {
    return ticker.read();
  }

  private void alertListenerIfPresent(K key, V value, RemovalCause cause) {
    if (removalListener != null) {
      removalListener.onRemoval(RemovalNotification.create(key, value, cause));
    }
  }

  @SuppressWarnings("GoodTime") // timestamps as numeric primitives

   * @param unit the unit that {@code duration} is expressed in
   * @throws IllegalArgumentException if {@code duration} is not positive
   * @since 2.0
   */
  @SuppressWarnings("GoodTime") // Prefer the Duration overload
  public static <T extends @Nullable Object> Supplier<T> memoizeWithExpiration(
      Supplier<T> delegate, long duration, TimeUnit unit) {
    checkNotNull(delegate);

   * @param unit the unit that {@code duration} is expressed in
   * @throws IllegalArgumentException if {@code duration} is not positive
   * @since 2.0
   */
  @SuppressWarnings("GoodTime") // Prefer the Duration overload
  public static <T extends @Nullable Object> Supplier<T> memoizeWithExpiration(
      Supplier<T> delegate, long duration, TimeUnit unit) {
    checkNotNull(delegate);

   * @throws InterruptedException if interrupted while waiting
   */
  @CanIgnoreReturnValue
  @J2ktIncompatible
  @GwtIncompatible // BlockingQueue
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration
  public static <E> int drain(
      BlockingQueue<E> q,
      Collection<? super E> buffer,
      int numElements,
      long timeout,
      TimeUnit unit)

   * @throws InterruptedException if interrupted while waiting
   */
  @CanIgnoreReturnValue
  @J2ktIncompatible
  @GwtIncompatible // BlockingQueue
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration
  public static <E> int drain(
      BlockingQueue<E> q,
      Collection<? super E> buffer,
      int numElements,
      long timeout,
      TimeUnit unit)

     * @param delay the delay between the termination of one execution and the commencement of the
     *     next
     * @param unit the time unit of the initialDelay and delay parameters
     */
    @SuppressWarnings("GoodTime") // should accept a java.time.Duration
    public static Scheduler newFixedDelaySchedule(long initialDelay, long delay, TimeUnit unit) {
      checkNotNull(unit);

     * @param delay the delay between the termination of one execution and the commencement of the
     *     next
     * @param unit the time unit of the initialDelay and delay parameters
     */
    @SuppressWarnings("GoodTime") // should accept a java.time.Duration
    public static Scheduler newFixedDelaySchedule(long initialDelay, long delay, TimeUnit unit) {
      checkNotNull(unit);