AI-generated Key Takeaways
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The content lists various Ad Manager API services including AdRuleService, AdjustmentService, and AdsTxtService, among many others.
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It also details different types of API errors such as ApiError, AuthenticationError, and RequiredError.
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The
RequiredErrorobject has areasonfield which is an enumeration of typeRequiredError.Reasonwith a value ofREQUIRED. - 
          
The content specifies the namespace for these services and errors as
https://www.google.com/apis/ads/publisher/v202508. 
- Namespace
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https://www.google.com/apis/ads/publisher/v202508 
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                           ApiError (inherited)
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                           RequiredError
                        
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 Enumerations 
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