* The url of the path. Must not be null.
     */
    public String getUrl() {
        return url;
    }

    /**
     * The relative path of the path. Must not be null.
     */
    public String getRelPath() {
        return relPath;
    }

    /**
     * Canonical url.
     */
    public String getCanonicalUrl() {
        return canonicalUrl;
    }

    @Override
    public String toString() {

        for (Path modulePath : modulePaths) {
            Map<String, Object> attributes = new LinkedHashMap<>();
            attributes.put("fileurl", modulePath.getUrl());
            attributes.put("filepath", modulePath.getRelPath());
            modulesNode.appendNode("module", attributes);
        }
        findOrCreateModules().replaceNode(modulesNode);
    }

    private void storeWildcards() {