AI-generated Key Takeaways
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          The document provides a comprehensive list of available services, including AdRuleService, AdjustmentService, AdsTxtService, and many others related to ad management and inventory. 
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          It outlines the inheritance hierarchy of errors, with FeatureError being a specific type of ApiError. 
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          The document details the fields associated with ApiError (inherited) and FeatureError, including fieldPath, trigger, errorString, and reason. 
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          It also lists the possible enumeration values for FeatureError.Reason, which are MISSING_FEATURE and UNKNOWN. 
- Namespace
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               https://www.google.com/apis/ads/publisher/v202505
| Field | |
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| ApiError(inherited) | |
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| FeatureError | |
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 Enumerations 
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