@interface ARCoachingMotionTracker : NSObject {
void /* unknown type, empty encoding */ _velocities[5];
void /* unknown type, empty encoding */ _lastPosition;
double _lastTime;
int _velocityIndex;
double _lastThresholdBreakTime;
int _thresholdBreakCount;
BOOL _wasMoving;
}
@property (nonatomic) BOOL isMoving;
@property (readonly, nonatomic) BOOL didStartMoving;
@property (readonly, nonatomic) BOOL didStopMoving;
- (void)clear;
- (id)init;
- (void)updateWithFrame:(id)a0;
- (void /* unknown type, empty encoding */)calcAverageVelocity;
@end