@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