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 provides links to the documentation for each listed service, referencing the v202502 version of the Ad Manager API. 
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          The content also details inherited errors and a specific RequiredCollectionError with its possible reasons like REQUIRED,TOO_LARGE,TOO_SMALL, andUNKNOWN.
- Namespace
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               https://www.google.com/apis/ads/publisher/v202502
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| ApiError(inherited) | |
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| RequiredCollectionError | |
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 Enumerations 
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