public function getExampleShortNumber($regionCode)
    {
        $phoneMetadata = $this->getMetadataForRegion($regionCode);
        if ($phoneMetadata === null) {
            return '';
        }

        /** @var PhoneNumberDesc $desc */
        $desc = $phoneMetadata->getShortCode();
        if ($desc !== null && $desc->hasExampleNumber()) {
            return $desc->getExampleNumber();
        }
        return '';
    }