public function getMetadataForNonGeographicalRegion($countryCallingCode)
{
if (!array_key_exists($countryCallingCode, $this->countryCodeToNonGeographicalMetadataMap)) {
$this->loadMetadataFromFile($this->currentFilePrefix, PhoneNumberUtil::REGION_CODE_FOR_NON_GEO_ENTITY, $countryCallingCode, $this->metadataLoader);
}
return $this->countryCodeToNonGeographicalMetadataMap[$countryCallingCode];
}