/** The key of the message: Uploaded Bad Word file. */
    public static final String SUCCESS_upload_bad_word = "{success.upload_bad_word}";

    /** The key of the message: Uploaded Mapping file. */
    public static final String SUCCESS_upload_mapping_file = "{success.upload_mapping_file}";

    /** The key of the message: Sent the test mail. */

    /** The key of the message: Upload File */
    public static final String LABELS_storage_upload_file = "{labels.storage_upload_file}";

    /** The key of the message: Upload */
    public static final String LABELS_storage_button_upload = "{labels.storage_button_upload}";

    /** The key of the message: Bucket Name */

  public void testTransform_StackOverflow() throws Exception {
    {
      /*
       * Initialize all relevant classes before running the test, which may otherwise poison any
       * classes it is trying to load during its stack overflow.
       */
      SettableFuture<Object> root = SettableFuture.create();
      ListenableFuture<Object> unused = transform(root, identity(), directExecutor());
      root.set("foo");
    }

      CacheLoader<String, String> loader =
          new CacheLoader<String, String>() {
            @Override
            public String load(String key) {
              return key + "Load";
            }

            @Override
            public ListenableFuture<String> reload(String key, String oldValue) {
              return refreshExecutor.submit(
                  () -> {
                    reloadStarted.countDown();

      CacheLoader<String, String> loader =
          new CacheLoader<String, String>() {
            @Override
            public String load(String key) {
              return key + "Load";
            }

            @Override
            public ListenableFuture<String> reload(String key, String oldValue) {
              return refreshExecutor.submit(
                  () -> {
                    reloadStarted.countDown();

        stopwatch.start();
        V previousValue = oldValue.get();
        if (previousValue == null) {
          V newValue = loader.load(key);
          return set(newValue) ? futureValue : Futures.immediateFuture(newValue);
        }
        ListenableFuture<V> newValue = loader.reload(key, previousValue);
        if (newValue == null) {
          return Futures.immediateFuture(null);
        }

        stopwatch.start();
        V previousValue = oldValue.get();
        if (previousValue == null) {
          V newValue = loader.load(key);
          return set(newValue) ? futureValue : Futures.immediateFuture(newValue);
        }
        ListenableFuture<V> newValue = loader.reload(key, previousValue);
        if (newValue == null) {
          return Futures.immediateFuture(null);
        }

    return new HashMap<>(capacity(expectedSize));
  }

  /**
   * Returns a capacity that is sufficient to keep the map from being resized as long as it grows no
   * larger than expectedSize and the load factor is ≥ its default (0.75).
   */
  static int capacity(int expectedSize) {
    if (expectedSize < 3) {
      checkNonnegative(expectedSize, "expectedSize");
      return expectedSize + 1;
    }