if (!empty($options['cachedToken'])) {
 $token = $this->generateTokenFromCache($options['cachedToken']);
 
 if ($token->hasExpired()) {
 throw new \RuntimeException(sprintf('Cached token has expired on "%s".', $token->expires->format(\DateTime::ISO8601)));
 }
 } else {
 $token = $this->generateToken($authOptions);
 }
 
 $name = $options['catalogName'];
 $type = $options['catalogType'];
 $region = $options['region'];
 $interface = isset($options['interface']) ? $options['interface'] : Enum::INTERFACE_PUBLIC;
 
 if ($baseUrl = $token->catalog->getServiceUrl($name, $type, $region, $interface)) {
 return [$token, $baseUrl];
 }
 
 throw new \RuntimeException(sprintf('No service found with type [%s] name [%s] region [%s] interface [%s]', $type, $name, $region, $interface));
 }
 
 /**
 * Generates authentication token from cached token using `$token->export()`.
 *
 * @param array $cachedToken {@see \OpenStack\Identity\v3\Models\Token::export}
 */
 public function generateTokenFromCache(array $cachedToken): Models\Token
 {
 return $this->model(Models\Token::class)->populateFromArray($cachedToken);
 }

 $compute = $openstack->computeV2(['region' => 'default']);
 $images = $compute->listImages(['status' => 'ACTIVE']);