@class NSDate; @interface CLVehicleHeading : NSObject <NSCopying, NSSecureCoding> { id _internal; } @property (class, readonly) BOOL supportsSecureCoding; @property (readonly, nonatomic) double trueHeading; @property (readonly, nonatomic) NSDate *timestamp; - (void)dealloc; - (id)shortDescription; - (void)encodeWithCoder:(id)a0; - (id)description; - (id)initWithCoder:(id)a0; - (id)copyWithZone:(struct _NSZone { } *)a0; - (id)initWithClientVehicleHeading:(struct { double x0; double x1; })a0; @end