@interface GKLeaderboardScoreFlowLayout : UICollectionViewFlowLayout
@property (nonatomic) BOOL isInsertingItemsAbove;
@property (nonatomic) double heightOfInsertedItems;
@property (nonatomic) struct CGSize { double width; double height; } contentSizeBeforeInsertingItemsAbove;
@property (nonatomic) double initialContentOffset;
- (void)prepareForCollectionViewUpdates:(id)a0;
- (struct CGPoint { double x0; double x1; })targetContentOffsetForProposedContentOffset:(struct CGPoint { double x0; double x1; })a0;
- (struct CGPoint { double x0; double x1; })targetContentOffsetForProposedContentOffset:(struct CGPoint { double x0; double x1; })a0 withScrollingVelocity:(struct CGPoint { double x0; double x1; })a1;
@end