@interface WFActivityProgressViewController : UIViewController {
    void /* unknown type, empty encoding */ activityView;
    void /* unknown type, empty encoding */ successView;
    void /* unknown type, empty encoding */ _contentView;
    void /* unknown type, empty encoding */ _state;
}

@property (nonatomic) unsigned long long state;

- (void)viewDidLoad;
- (id)initWithNibName:(id)a0 bundle:(id)a1;
- (void).cxx_destruct;
- (id)initWithCoder:(id)a0;

@end