AI-generated Key Takeaways
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          GMSNavigationDrivingSideis an enum used to indicate whether a route is designed for driving on the left or right side of the road.
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          It includes three possible values: none(unspecified),left(drive-on-left), andright(drive-on-right).
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          Each value is represented by an integer, with nonebeing 0,leftbeing 1, andrightbeing 2, accessible in both Swift and Objective-C.
GMSNavigationDrivingSide
enum GMSNavigationDrivingSide : NSUInteger {}Whether this step is on a drive-on-right or drive-on-left route. May be unspecified.
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                  Unspecified side. DeclarationSwift case none = 0Objective-C GMSNavigationDrivingSideNone = 0
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                  Drive-on-left side. DeclarationSwift case left = 1Objective-C GMSNavigationDrivingSideLeft = 1
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                  Drive-on-right side. DeclarationSwift case right = 2Objective-C GMSNavigationDrivingSideRight = 2