AI-generated Key Takeaways
- 
          The page lists various Ad Manager API services such as AdRuleService, AdjustmentService, and AdsTxtService, among many others. 
- 
          The "Inheritance" section details a hierarchy of ApiError types, including AuthenticationError, CollectionSizeError, and FeatureError. 
- 
          The FeatureError type includes a "reason" field which uses the FeatureError.Reason enumeration, with possible values like MISSING_FEATURE and UNKNOWN. 
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202505
| Field | |
|---|---|
| ApiError(inherited) | |
| 
                            | 
                            | 
| 
                            | |
| 
                            | 
                            | 
| 
                            | 
                            | 
| FeatureError | |
| 
                            | 
 Enumerations 
 |