@class NSMutableArray, NSMutableDictionary; @interface PUSectionedGridLayoutData : NSObject @property (readonly, nonatomic) long long numberOfPagesToCache; @property (nonatomic) struct CGRect { struct CGPoint { double x; double y; } origin; struct CGSize { double width; double height; } size; } currentContentBounds; @property (readonly, nonatomic) NSMutableArray *headerLayoutAttributes; @property (readonly, nonatomic) NSMutableDictionary *headerLayoutAttributesByVisualSection; - (id)init; - (void)invalidate; - (void).cxx_destruct; @end