protected function targetTable( $lookup )
    {
        $targets = array(
                            self::MODE_EXTENSION => "var/autoload",
                            self::MODE_TESTS     => "var/autoload",
                            self::MODE_KERNEL    => "autoload",
                            self::MODE_SINGLE_EXTENSION => $this->options->basePath . DIRECTORY_SEPARATOR . 'autoload',
                            self::MODE_KERNEL_OVERRIDE => "var/autoload",
                        );

        if ( array_key_exists( $lookup, $targets ) )
        {
            return $targets[$lookup];
        }
        return false;
    }