@interface NewsSubscription.FlexiblePaywallCollectionViewLayout : UICollectionViewLayout { void /* unknown type, empty encoding */ layoutProvider; void /* unknown type, empty encoding */ itemAttributes; void /* unknown type, empty encoding */ supplementaryItemAttributes; } @property (nonatomic, readonly) struct CGSize { double x0; double x1; } collectionViewContentSize; - (void)prepareLayout; - (id)layoutAttributesForSupplementaryViewOfKind:(id)a0 atIndexPath:(id)a1; - (id)layoutAttributesForElementsInRect:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0; - (id)init; - (id)layoutAttributesForItemAtIndexPath:(id)a0; - (void).cxx_destruct; - (id)initWithCoder:(id)a0; @end