CommerceGuys\Addressing\Country\CountryRepository::__construct PHP Method

    public function __construct()
    {
        if (class_exists('\\CommerceGuys\\Intl\\Country\\CountryRepository')) {
            $this->countryRepository = new \CommerceGuys\Intl\Country\CountryRepository();
        } elseif (class_exists('\\Symfony\\Component\\Intl\\Intl')) {
            $this->regionBundle = \Symfony\Component\Intl\Intl::getRegionBundle();
        } else {
            throw new \RuntimeException('No source of country data found: symfony/intl or commerceguys/intl must be installed.');
        }
    }