System/Library/PrivateFrameworks/SpringBoardUIServices.framework
SBUIButton.h
@interface SBUIButton : UIButton
@property (nonatomic) struct UIEdgeInsets { double top; double left; double bottom; double right; } hitAreaAdjustments;
- (BOOL)pointInside:(struct CGPoint { double x0; double x1; })a0 withEvent:(id)a1;
- (id)initWithFrame:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0;
@end