Whether or not the content is attested by the advertiser as created or edited using AI.

| Enums ||
|---|---|
| `SYNTHETIC_CONTENT_ATTESTATION_STATUS_UNSPECIFIED` | No attestation has been provided. |
| `NOT_SYNTHETIC` | Attested as not created or edited using AI. |
| `IS_SYNTHETIC` | Attested as created or edited using AI. |