@interface _TtCC18_JetEngine_SwiftUI28_PageRenderMetricsVisualizer31MetricsVisualizerViewController : UIViewController {
    void /* unknown type, empty encoding */ borderSize;
    void /* unknown type, empty encoding */ borderView;
    void /* unknown type, empty encoding */ eventLabel;
}

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

@end