return null;
try { Properties prop = new Properties(); FileInputStream fis = new FileInputStream(file); prop.load(fis); fis.close(); return filterLoadedValues(prop); } catch (IOException e) { throw new CannotRetrieveException(e, "Unable to load from file: " + file.getAbsolutePath()); }
    public Map retrieveAll() throws CannotRetrieveException    {	return null;    }