}
        };

    LoadingCache<Object, Object> cache =
        CacheBuilder.newBuilder()
            .recordStats()
            .ticker(ticker)
            .refreshAfterWrite(1, MILLISECONDS)
            .build(loader);
    Object key = new Object();
    CacheStats stats = cache.stats();
    assertEquals(0, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());

   *       authoritative location}
   *   <li>{@linkplain LoadingCache#refresh refreshing of entries}, including {@linkplain
   *       CacheBuilder#refreshAfterWrite automated refreshing}
   *   <li>{@linkplain LoadingCache#getAll bulk loading requests}, including {@linkplain
   *       CacheLoader#loadAll bulk loading implementations}
   * </ul>
   *

   *       authoritative location}
   *   <li>{@linkplain LoadingCache#refresh refreshing of entries}, including {@linkplain
   *       CacheBuilder#refreshAfterWrite automated refreshing}
   *   <li>{@linkplain LoadingCache#getAll bulk loading requests}, including {@linkplain
   *       CacheLoader#loadAll bulk loading implementations}
   * </ul>
   *

   * @throws IllegalStateException if {@link #refreshAfterWrite} was already set
   * @since 11.0
   */
  @GwtIncompatible // To be supported (synchronously).
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration
  @CanIgnoreReturnValue
  public CacheBuilder<K, V> refreshAfterWrite(long duration, TimeUnit unit) {
    checkNotNull(unit);

  }

  public void testSetRefresh() {
    long duration = 42;
    TimeUnit unit = TimeUnit.SECONDS;
    LocalCache<Object, Object> map =
        makeLocalCache(createCacheBuilder().refreshAfterWrite(duration, unit));
    assertEquals(unit.toNanos(duration), map.refreshNanos);
  }

  public void testLongAsyncRefresh() throws Exception {
    FakeTicker ticker = new FakeTicker();

  }

  public void testSetRefresh() {
    long duration = 42;
    TimeUnit unit = TimeUnit.SECONDS;
    LocalCache<Object, Object> map =
        makeLocalCache(createCacheBuilder().refreshAfterWrite(duration, unit));
    assertEquals(unit.toNanos(duration), map.refreshNanos);
  }

  public void testLongAsyncRefresh() throws Exception {
    FakeTicker ticker = new FakeTicker();