GAMRequest
@interface GAMRequest : GADRequestSpecifies optional parameters for ad requests.
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                  Publisher provided user ID. DeclarationSwift var publisherProvidedID: String? { get set }Objective-C @property (nonatomic, copy, nullable) NSString *publisherProvidedID;
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                  Array of strings used to exclude specified categories in ad results. DeclarationSwift var categoryExclusions: [String]? { get set }Objective-C @property (nonatomic, copy, nullable) NSArray<NSString *> *categoryExclusions;