@class NSValue, AVTEngagementLayout; @interface AVTEngagementListCollectionViewLayout : UICollectionViewLayout @property (retain, nonatomic) NSValue *targetContentOffset; @property (retain, nonatomic) NSValue *ignoredProposedContentOffset; @property (readonly, nonatomic) AVTEngagementLayout *engagementLayout; - (struct CGSize { double x0; double x1; })collectionViewContentSize; - (BOOL)shouldInvalidateLayoutForBoundsChange:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0; - (id)layoutAttributesForElementsInRect:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0; - (id)layoutAttributesForItemAtIndexPath:(id)a0; - (void).cxx_destruct; - (void)invalidateLayout; - (BOOL)flipsHorizontallyInOppositeLayoutDirection; - (struct CGPoint { double x0; double x1; })targetContentOffsetForProposedContentOffset:(struct CGPoint { double x0; double x1; })a0; - (struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })frameForElementAtIndex:(long long)a0 visibleBounds:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a1; - (id)indexesForElementsInRect:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0 visibleBounds:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a1 numberOfItems:(long long)a2; - (struct CGPoint { double x0; double x1; })centerForCenteringElementAtIndex:(long long)a0 visibleBoundsSize:(struct CGSize { double x0; double x1; })a1 proposedOrigin:(struct CGPoint { double x0; double x1; })a2; - (void)clearTargetContentOffsetForAnimations; - (struct CGSize { double x0; double x1; })contentSizeForVisibleBounds:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0 numberOfItems:(long long)a1; - (struct UIEdgeInsets { double x0; double x1; double x2; double x3; })engagementInsetsForCollectionViewBounds:(struct CGSize { double x0; double x1; })a0; - (id)initWithEngagementLayout:(id)a0; - (void)setTargetContentOffsetForAnimations:(struct CGPoint { double x0; double x1; })a0; @end