Kahlan\Plugin\Stub::on PHP Метод

    public static function on($reference)
    {
        $hash = Suite::hash($reference);
        if (isset(static::$_registered[$hash])) {
            return static::$_registered[$hash];
        }
        return static::$_registered[$hash] = new static($reference);
    }

 public static function initializeAMQPStubs()
 {
     Stub::on('AMQPChannel')->method('__construct');
     Stub::on('AMQPChannel')->method('qos');
     Stub::on('AMQPExchange')->method('__construct');
     Stub::on('AMQPExchange')->method('declareExchange');
     Stub::on('AMQPQueue')->method('__construct');
     Stub::on('AMQPQueue')->method('declareQueue');
     Stub::on('AMQPQueue')->method('bind');
 }