@class NSTextBlock;

@interface NSLayoutManagerTextBlockHelper : NSObject {
    NSTextBlock *_block;
    struct CGRect { struct CGPoint { double x; double y; } origin; struct CGSize { double width; double height; } size; } _layoutRect;
    struct CGRect { struct CGPoint { double x; double y; } origin; struct CGSize { double width; double height; } size; } _boundsRect;
}

- (void)dealloc;
- (id)initWithTextBlock:(id)a0 layoutRect:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a1 boundsRect:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a2;

@end