@class NSDateInterval, HKQuantity;
@interface HKWorkoutBuilderQuantity : NSObject <NSSecureCoding, NSCopying>
@property (class, readonly) BOOL supportsSecureCoding;
@property (readonly, copy, nonatomic) HKQuantity *quantity;
@property (readonly, copy, nonatomic) NSDateInterval *dateInterval;
- (void)encodeWithCoder:(id)a0;
- (void).cxx_destruct;
- (id)initWithCoder:(id)a0;
- (id)copyWithZone:(struct _NSZone { } *)a0;
- (id)initWithQuantity:(id)a0 dateInterval:(id)a1;
@end