A list of countries where a resource's serving is constrained.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v25/common/policy.proto)

| Fields ||
|---|---|
| ## `countries[]` | `https://developers.google.com/google-ads/api/reference/rpc/v25/PolicyTopicConstraint.CountryConstraint` Countries in which serving is restricted. |
| ## `total_targeted_countries` | `int32` Total number of countries targeted by the resource. |