public static Map<String, String> makeMap(Collection<Namespace> namespaces) {
        final Map<String, String> _ns = new HashMap<>();
        for (Namespace namespace : namespaces) {
            _ns.put(namespace.getPrefix(), namespace.getUri());
        }
        return _ns;
    }
public static Map<String, String> makeMap(Collection<Namespace> namespaces)