AI-generated Key Takeaways
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          The document lists various services available, including AdRuleService, AdjustmentService, and YieldGroupService. 
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          It details inheritance information, showing that AuthenticationError is a type of ApiError and lists other inherited error types. 
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          Field information for ApiErrorandAuthenticationErrorare provided, includingfieldPath,trigger,errorString, andreason.
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          An enumeration of possible reasons for an AuthenticationErroris listed, such asINVALID_EMAIL,AUTHENTICATION_FAILED, andNETWORK_NOT_FOUND.
- Namespace
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               https://www.google.com/apis/ads/publisher/v202505
| Field | |
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| ApiError(inherited) | |
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| AuthenticationError | |
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 Enumerations 
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