AI-generated Key Takeaways
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          GMSLengthKindis an enumeration used to specify the type of a length measurement.
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          It includes three types: geodesic (in meters), rhumb (in meters), and projected (in GMSMapPointunits).
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          Each type is represented by a constant: kGMSLengthGeodesic,kGMSLengthRhumb, andkGMSLengthProjected, respectively.
GMSLengthKind
enum GMSLengthKind : NSUInteger {}GMSLengthKind indicates the type of a length value, which can be geodesic (in meters), rhumb
length (in meters) and projected length (in GMSMapPoint units).
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                  DeclarationSwift case geodesic = 0Objective-C kGMSLengthGeodesic
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                  DeclarationSwift case rhumb = 1Objective-C kGMSLengthRhumb
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                  DeclarationSwift case projected = 2Objective-C kGMSLengthProjected