mappings.put(extractLastPathElement(filename), filename);
    public void loadMappings(String map[]) {        assert map.length % 2 == 0;        for (int i = 0; i < map.length; i += 2) {            String schema = map[i];            String filename = map[i + 1];            mappings.put(schema, filename);            mappings.put(filename, filename);        }    }