@class _CLLSLHeadingSupplInfo, _CLLSLLocation; @interface _CLLSLHeading : NSObject <NSCopying, NSSecureCoding> @property (class, readonly) BOOL supportsSecureCoding; @property (nonatomic) double timestamp; @property (nonatomic) struct { void /* unknown type, empty encoding */ columns[3]; } rotationFromGlobalToDeviceFrame; @property (nonatomic) struct { void /* unknown type, empty encoding */ columns[3]; } rotationFromGlobalToCameraFrame; @property (nonatomic) void /* unknown type, empty encoding */ rotationalAccuracyInRadians; @property (nonatomic) double confidence; @property (nonatomic) unsigned long long globalReferenceFrame; @property (copy, nonatomic) _CLLSLLocation *location; @property (copy, nonatomic) _CLLSLHeadingSupplInfo *supplemantaryInfo; - (void)dealloc; - (void)encodeWithCoder:(id)a0; - (id)description; - (id)initWithCoder:(id)a0; - (id)copyWithZone:(struct _NSZone { } *)a0; - (id)descriptionWithMemberIndent:(id)a0 endIndent:(id)a1; @end