throw new StorageException("Failed to delete " + objectName, e);
        }
    }

    @Override
    public List<StorageItem> listObjects(final String prefix, final int maxItems) {
        final List<StorageItem> items = new ArrayList<>();
        final List<StorageItem> fileItems = new ArrayList<>();

        try {

        } catch (final Exception e) {
            throw new StorageException("Failed to delete " + objectName, e);
        }
    }

    @Override
    public List<StorageItem> listObjects(final String prefix, final int maxItems) {
        final List<StorageItem> items = new ArrayList<>();

        try {
            final ListObjectsV2Request.Builder requestBuilder =

            // Ensure bucket exists on first access
            client.ensureBucketExists();

            final List<StorageItem> items = client.listObjects(prefix, fessConfig.getStorageMaxItemsInPageAsInteger());

            for (final StorageItem item : items) {
                final Map<String, Object> map = new HashMap<>();
                map.put("id", item.getEncodedId());