@class NSArray, NSDictionary; @interface GKLeaderboardSetDataSource : GKLeaderboardCollectionDataSource @property (retain, nonatomic) NSArray *leaderboardSets; @property (retain, nonatomic) NSDictionary *leaderboardSetAssetNames; @property (retain, nonatomic) NSDictionary *leaderboardAssetNames; - (long long)itemCount; - (void)loadDataWithCompletionHandler:(id /* block */)a0; - (void).cxx_destruct; - (id)title; - (void)prepareCell:(id)a0 forItemAtIndexPath:(id)a1; - (long long)allowedColumnCount:(long long)a0; - (void)handleSelectionInCollectionView:(id)a0 forItemAtIndexPath:(id)a1; - (id)itemForIndexPath:(id)a0; - (void)presentLeaderboardsListWithSet:(id)a0 segueToLeaderboard:(id)a1; - (void)removeLeaderboardSetsWithoutImages; - (struct CGSize { double x0; double x1; })standardCellSizeForCollectionView:(id)a0; - (void)updateHighlightsInSectionHeader:(id)a0; @end