/**
  * Validate that number is a swedish personal id
  *
  * @param  AccountNumber $number
  * @return null
  * @throws InvalidCheckDigitException    If checkdigit is not valid
  * @throws InvalidAccountNumberException If number is not a valid personal id
  */
 public function validate(AccountNumber $number)
 {
     try {
         new PersonalId($number->getSerialNumber() . $number->getCheckDigit());
     } catch (\byrokrat\id\Exception\InvalidCheckDigitException $e) {
         throw new InvalidCheckDigitException("Invalid check digit {$number->getCheckDigit()} in {$number}", 0, $e);
     } catch (\byrokrat\id\Exception\RuntimeException $e) {
         throw new InvalidAccountNumberException("Account number {$number} is not a valid personal id number", 0, $e);
     }
 }
 protected function processNumber(AccountNumber $number)
 {
     return substr($number->getClearingNumber(), 1) . $number->getSerialNumber() . $number->getCheckDigit();
 }
 protected function processNumber(AccountNumber $number)
 {
     return $number->getSerialNumber() . $number->getCheckDigit();
 }