List of the secondary ranges of the subnetwork that are allowed to use NAT. This can be populated only if LIST_OF_SECONDARY_IP_RANGES is one of the values in sourceIpRangesToNat
List of options for which source IPs in the subnetwork should have NAT enabled. Supported values include: ALL_IP_RANGES, LIST_OF_SECONDARY_IP_RANGES, PRIMARY_IP_RANGE.