System/Library/Frameworks/MessageUI.framework
MFSearchShadowView.h
@interface MFSearchShadowView : UIImageView
+ (double)defaultHeight;
+ (id)_shadowImage;
- (id)initWithFrame:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0;
@end