AI-generated Key Takeaways
- 
          Describes how policy topic entries can affect where resources can be served. 
- 
          Specific constraints can relate to country restrictions or reseller requirements. 
- 
          Some constraints specify countries where serving is not allowed or requires a certificate. 
- 
          Certificates are also relevant for domain matching in certain countries. 
Describes the effect on serving that a policy topic entry will have.
| Fields | |
|---|---|
| Union field 
 | |
| 
 | Countries where the resource cannot serve. | 
| 
 | Reseller constraint. | 
| 
 | Countries where a certificate is required for serving. | 
| 
 | Countries where the resource's domain is not covered by the certificates associated with it. |