@interface WorkoutCore.IntervalWorkout : NSObject {
    void /* unknown type, empty encoding */ _name;
    void /* unknown type, empty encoding */ uuid;
    void /* unknown type, empty encoding */ _warmupBlock;
    void /* unknown type, empty encoding */ _cooldownBlock;
    void /* unknown type, empty encoding */ _stepBlocks;
}

@property (nonatomic, readonly) long long hash;

- (id)init;
- (void).cxx_destruct;
- (BOOL)isEqual:(id)a0;

@end