private function doCleanUp(ContactDetail $contactDetail, $oldContactNumber = null, Country $country = null)
 {
     if ($oldContactNumber) {
         $oldContactDetail = $contactDetail->__toString();
         $parts = \json_decode($oldContactNumber, true);
         if ($parts) {
             $countryCode = isset($parts['country_code']) ? $parts['country_code'] : null;
             $areaCode = isset($parts['area_code']) ? $parts['area_code'] : null;
             $contactDetail->setCountryCode($countryCode);
             $contactDetail->setAreaCode($areaCode);
             $number = $parts['number'];
         }
     } else {
         // this data must have been entered through the new widget, we need them to verify this data
         $contactDetail->setFromNewWidget(true);
         $number = $contactDetail->getNumber();
     }
     if (!\is_numeric($number)) {
         $number = \preg_replace('/\\D/', '', $number);
     }
     $number = (int) $number;
     $contactDetail->setNumber($number);
     if (!$number || strlen($number) < 5) {
         $contactDetail->setIsInvalid(true);
     }
 }