meh

    /**
     * Create an AstScanner, whatever that is
     * 
     * <p>All I know is that it's used by your implementation of your
     * SquidSensor.</p>
     * 
     * @param cfg the configuration (unused at the moment; which is good since
     * it does nothing for now)
     * @param visitors the list of squid AST visitors, whatever those are
     * (checks?)
     * @return God knows what
     */