AI-generated Key Takeaways
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          The document provides a list of available services in the Google Ad Manager API v202505, such as AdRuleService, CreativeService, and OrderService. 
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          It also details the inheritance hierarchy for API errors, with CommonError inheriting from ApiError and other specific error types branching off. 
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          The CommonError section lists its fields, including reason, and defines several enumeration values for thereasonfield likeNOT_FOUND,ALREADY_EXISTS, andUNSUPPORTED_OPERATION.
- Namespace
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               https://www.google.com/apis/ads/publisher/v202505
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| ApiError(inherited) | |
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| CommonError | |
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 Enumerations 
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