@class UIColor; @interface SKUISwooshCollectionViewLayout : UICollectionViewFlowLayout @property (copy, nonatomic) UIColor *backgroundColor; @property (nonatomic) BOOL snapsToItemBoundaries; @property (nonatomic) BOOL snapsToItemCenters; + (Class)layoutAttributesClass; + (float)snapToBoundariesDecelerationRate; - (id)layoutAttributesForElementsInRect:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0; - (id)init; - (void).cxx_destruct; - (struct CGPoint { double x0; double x1; })targetContentOffsetForProposedContentOffset:(struct CGPoint { double x0; double x1; })a0 withScrollingVelocity:(struct CGPoint { double x0; double x1; })a1; @end