@interface _TVMLShelfViewLayout : _TVShelfViewLayout @property (nonatomic) struct TVCellMetrics { struct CGSize { double width; double height; } cellSize; struct UIEdgeInsets { double top; double left; double bottom; double right; } cellPadding; struct UIEdgeInsets { double top; double left; double bottom; double right; } cellInset; struct UIEdgeInsets { double top; double left; double bottom; double right; } cellInsetAlt; struct UIEdgeInsets { double top; double left; double bottom; double right; } cellMargin; } cellMetrics; @property (nonatomic) double showcaseFactor; @property (nonatomic) double cachedTallestHeaderHeight; - (void)invalidateLayoutWithContext:(id)a0; - (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 /* block */)_animationForReusableView:(id)a0 toLayoutAttributes:(id)a1 type:(unsigned long long)a2; - (struct CGPoint { double x0; double x1; })targetContentOffsetForProposedContentOffset:(struct CGPoint { double x0; double x1; })a0; - (double)headerAllowance; - (id)contentRowMetricsForShowcase:(BOOL)a0; - (double)expectedLineSpacing; @end