} catch (final Exception e) {
            throw new StorageException("Failed to create MinioClient: " + fessConfig.getStorageEndpoint(), e);
        }
    }

    public static List<Map<String, Object>> getFileItems(final String prefix) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final List<Map<String, Object>> list = new ArrayList<>();
        final List<Map<String, Object>> fileList = new ArrayList<>();