@class NSArray; @interface GKCollectionMultiDataSource : GKCollectionDataSource @property (retain, nonatomic) NSArray *dataSources; - (long long)itemCount; - (void)collectionView:(id)a0 didDeselectItemAtIndexPath:(id)a1; - (struct CGSize { double x0; double x1; })collectionView:(id)a0 layout:(id)a1 sizeForItemAtIndexPath:(id)a2; - (void)collectionView:(id)a0 didSelectItemAtIndexPath:(id)a1; - (struct CGSize { double x0; double x1; })collectionView:(id)a0 layout:(id)a1 referenceSizeForHeaderInSection:(long long)a2; - (void)collectionView:(id)a0 didFocusItemAtIndexPath:(id)a1; - (struct CGSize { double x0; double x1; })collectionView:(id)a0 layout:(id)a1 referenceSizeForFooterInSection:(long long)a2; - (void)collectionView:(id)a0 didUnfocusItemAtIndexPath:(id)a1; - (void)loadDataWithCompletionHandler:(id /* block */)a0; - (BOOL)collectionView:(id)a0 canFocusItemAtIndexPath:(id)a1; - (void).cxx_destruct; - (BOOL)collectionView:(id)a0 shouldSelectItemAtIndexPath:(id)a1; - (long long)collectionView:(id)a0 numberOfItemsInSection:(long long)a1; - (long long)numberOfSectionsInCollectionView:(id)a0; - (id)collectionView:(id)a0 viewForSupplementaryElementOfKind:(id)a1 atIndexPath:(id)a2; - (id)collectionView:(id)a0 cellForItemAtIndexPath:(id)a1; - (id)dataSourceForIndexPath:(id)a0; - (long long)itemCountInSection:(long long)a0; - (id)itemForIndexPath:(id)a0; - (double)preferredCollectionHeight; - (void)setupCollectionView:(id)a0; @end