@class NSDate; @interface CLHeading : NSObject <NSCopying, NSSecureCoding> { id _internal; } @property (class, readonly) BOOL supportsSecureCoding; @property (readonly, nonatomic) double magneticHeading; @property (readonly, nonatomic) double trueHeading; @property (readonly, nonatomic) double headingAccuracy; @property (readonly, nonatomic) double x; @property (readonly, nonatomic) double y; @property (readonly, nonatomic) double z; @property (readonly, copy, nonatomic) NSDate *timestamp; - (void)dealloc; - (id)shortDescription; - (void)encodeWithCoder:(id)a0; - (id)description; - (id)initWithClientHeading:(struct { double x0; double x1; double x2; double x3; double x4; double x5; double x6; double x7; double x8; double x9; int x10; })a0; - (id)initWithCoder:(id)a0; - (id)copyWithZone:(struct _NSZone { } *)a0; @end