public ZonedDateTime getLastModified() {
        return lastModified;
    }

    /**
     * Returns the base64-encoded ID of the item.
     *
     * @return the encoded ID
     */
    public String getEncodedId() {
        return encodedId;
    }

            for (final StorageItem item : items) {
                final Map<String, Object> map = new HashMap<>();
                map.put("id", item.getEncodedId());
                map.put("path", item.getPath());
                map.put("name", item.getName());
                map.put("hashCode", item.hashCode());
                map.put("size", item.getSize());