final AtomicInteger loadAllCount = new AtomicInteger();

    CacheLoader<Object, Object> baseLoader =
        new CacheLoader<Object, Object>() {
          @Override
          public Object load(Object key) {
            loadCount.incrementAndGet();
            return new Object();
          }

          @Override
          public ListenableFuture<Object> reload(Object key, Object oldValue) {

  private Class<?> settableFutureClass;
  private Class<?> abstractFutureClass;

  @Override
  protected void setUp() throws Exception {
    // Load the "normal" copy of SettableFuture and related classes.
    SettableFuture<?> unused = SettableFuture.create();
    // Hack to load AbstractFuture et. al. in a new classloader so that it re-reads the cancellation

   *
   * <ul>
   *   <li>{@linkplain LoadingCache#get(Object) awaiting the result of a pending load} rather than
   *       starting a redundant one
   *   <li>eliminating the error-prone caching boilerplate
   *   <li>tracking load {@linkplain #stats statistics}
   * </ul>
   *
   * <p>Among the further improvements that {@code LoadingCache} can provide but this method cannot:
   *

  // Represents how tightly we can pack things, as a maximum.
  private static final double DESIRED_LOAD_FACTOR = 0.7;

  // If the set has this many elements, it will "max out" the table size
  private static final int CUTOFF = (int) (MAX_TABLE_SIZE * DESIRED_LOAD_FACTOR);

  /**
   * Returns an array size suitable for the backing array of a hash table that uses open addressing

    GWTTestSuite suite = new GWTTestSuite();
    for (ClassInfo info
        : ClassPath.from(GwtTestSuite.class.getClassLoader()).getTopLevelClasses()) {
      if (info.getName().endsWith("_gwt")) {
        Class<?> clazz = info.load();
        // TODO(cpovirk): why does asSubclass() throw? Is it something about ClassLoaders?
        @SuppressWarnings("unchecked")
        Class<? extends GWTTestCase> cast = (Class<? extends GWTTestCase>) clazz;

            }
          }
        };

    CacheLoader<Integer, AtomicInteger> loader =
        new CacheLoader<Integer, AtomicInteger>() {
          @Override
          public AtomicInteger load(Integer key) {
            applyCount.incrementAndGet();
            return new AtomicInteger();
          }
        };

    LoadingCache<Integer, AtomicInteger> cache =
        CacheBuilder.newBuilder()

          @Override
          public String load(String key) throws Exception {
            return cache.get(
                key,
                identityLoader()); // recursive load (same as the initial one), this should fail
          }
        };
    CacheLoader<String, String> proxyLoader =
        new CacheLoader<String, String>() {
          @Override
          public String load(String key) throws Exception {

          @Override
          public String load(String key) throws Exception {
            return cache.get(
                key,
                identityLoader()); // recursive load (same as the initial one), this should fail
          }
        };
    CacheLoader<String, String> proxyLoader =
        new CacheLoader<String, String>() {
          @Override
          public String load(String key) throws Exception {

            .concurrencyLevel(segments)
            .maximumSize(maximumSize)
            .build(
                new CacheLoader<Integer, Integer>() {
                  @Override
                  public Integer load(Integer from) {
                    return (int) misses.incrementAndGet();
                  }
                });

    // To start, fill up the cache.

                  }
                })
            .expireAfterAccess(500000, TimeUnit.MILLISECONDS)
            .maximumSize(count)
            .build();

    cache.put(key, "1");
    // simultaneous load and deletion
    doParallelCacheOp(
        count,
        n -> {
          try {
            String unused = cache.get(key, () -> key);
            cache.asMap().compute(key, (k, v) -> null);