@interface HUWallpaperPhotoCollectionFlowLayout : UICollectionViewFlowLayout @property (readonly, nonatomic) long long assetCollectionSubtype; - (BOOL)shouldInvalidateLayoutForBoundsChange:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0; - (void)prepareLayout; - (id)initWithAssetCollectionSubtype:(long long)a0; @end