protected function getValues(AddressInterface $address, AddressFormat $addressFormat)
    {
        $values = [];
        foreach (AddressField::getAll() as $field) {
            $getter = 'get' . ucfirst($field);
            $values[$field] = $address->$getter();
        }

        // Replace the subdivision values with the names of any predefined ones.
        $originalValues = [];
        $subdivisionFields = $addressFormat->getUsedSubdivisionFields();
        $parents = [];
        foreach ($subdivisionFields as $index => $field) {
            if (empty($values[$field])) {
                // This level is empty, so there can be no sublevels.
                break;
            }
            $parents[] = $index ? $originalValues[$subdivisionFields[$index - 1]] : $address->getCountryCode();
            $subdivision = $this->subdivisionRepository->get($values[$field], $parents);
            if (!$subdivision) {
                break;
            }

            // Remember the original value so that it can be used for $parents.
            $originalValues[$field] = $values[$field];
            // Replace the value with the expected code.
            $useLocalName = Locale::matchCandidates($address->getLocale(), $subdivision->getLocale());
            $values[$field] = $useLocalName ? $subdivision->getLocalCode() : $subdivision->getCode();
            if (!$subdivision->hasChildren()) {
                // The current subdivision has no children, stop.
                break;
            }
        }

        return $values;
    }