AcmePhp\Ssl\DistinguishedName::getCountryName PHP Method

    public function getCountryName()
    {
        return $this->countryName;
    }

 /**
  * @param QuestionHelper    $helper
  * @param InputInterface    $input
  * @param OutputInterface   $output
  * @param DistinguishedName $distinguishedName
  *
  * @return DistinguishedName
  */
 public function ask(QuestionHelper $helper, InputInterface $input, OutputInterface $output, DistinguishedName $distinguishedName)
 {
     $countryName = $distinguishedName->getCountryName() ?: $helper->ask($input, $output, new Question('What is your country two-letters code (field "C" of the distinguished name, for instance: "US")? : ', 'FR'));
     $stateOrProvinceName = $distinguishedName->getStateOrProvinceName() ?: $helper->ask($input, $output, new Question('What is your country province (field "ST" of the distinguished name, for instance: "California")? : '));
     $localityName = $distinguishedName->getLocalityName() ?: $helper->ask($input, $output, new Question('What is your locality (field "L" of the distinguished name, for instance: "Mountain View")? : '));
     $organizationName = $distinguishedName->getOrganizationName() ?: $helper->ask($input, $output, new Question('What is your organization/company (field "O" of the distinguished name, for instance: "Acme PHP")? : '));
     $organizationalUnitName = $distinguishedName->getOrganizationalUnitName() ?: $helper->ask($input, $output, new Question('What is your unit/department in your organization (field "OU" of the distinguished name, for instance: "Sales")? : '));
     $emailAddress = $distinguishedName->getEmailAddress() ?: $helper->ask($input, $output, new Question('What is your e-mail address (field "E" of the distinguished name)? : '));
     return new DistinguishedName($distinguishedName->getCommonName(), $countryName, $stateOrProvinceName, $localityName, $organizationName, $organizationalUnitName, $emailAddress, $distinguishedName->getSubjectAlternativeNames());
 }