@Override
        public String toString() {
            return "'" + urn + "' through '" +
                   switch (type) {
                       case awsPrivateLink -> "aws-private-link";
                       case gcpServiceConnect -> "gcp-service-connect";
                   } + "'";
        }
URN allowed to access this private endpoint.
config-provisioning/src/main/java/com/yahoo/config/provision/ZoneEndpoint.java