private static <K, V> LocalCache<K, V> makeLocalCache(
      CacheBuilder<? super K, ? super V> builder, CacheLoader<? super K, V> loader) {
    return new LocalCache<>(builder, loader);
  }

  // TODO(cpovirk): Inline createCacheBuilder()?

  private static CacheBuilder<Object, Object> createCacheBuilder() {
    return CacheBuilder.newBuilder();
  }

  // constructor tests

  public void testDefaults() {

  private static <K, V> LocalCache<K, V> makeLocalCache(
      CacheBuilder<? super K, ? super V> builder, CacheLoader<? super K, V> loader) {
    return new LocalCache<>(builder, loader);
  }

  // TODO(cpovirk): Inline createCacheBuilder()?

  private static CacheBuilder<Object, Object> createCacheBuilder() {
    return CacheBuilder.newBuilder();
  }

  // constructor tests

  public void testDefaults() {