System/Library/Frameworks/PencilKit.framework

_PKInlineDrawingScrollView.h

NSObject
>
UIResponder
>
UIView
>
UIScrollView

@interface _PKInlineDrawingScrollView : UIScrollView

- (void)setContentOffset:(struct CGPoint { double x0; double x1; })a0;
- (id)_parentScrollView;
- (BOOL)gestureRecognizer:(id)a0 shouldRecognizeSimultaneouslyWithGestureRecognizer:(id)a1;

@end