@class NSMutableDictionary, NSMutableArray; @interface UIKeyboardEmojiLayout : UICollectionViewFlowLayout { NSMutableDictionary *_attributes; NSMutableArray *_headerWidths; } + (Class)invalidationContextClass; - (BOOL)shouldInvalidateLayoutForBoundsChange:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0; - (id)invalidationContextForBoundsChange:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0; - (void)invalidateLayoutWithContext:(id)a0; - (void)prepareLayout; - (id)invalidationContextForPreferredLayoutAttributes:(id)a0 withOriginalAttributes:(id)a1; - (id)layoutAttributesForSupplementaryViewOfKind:(id)a0 atIndexPath:(id)a1; - (BOOL)shouldInvalidateLayoutForPreferredLayoutAttributes:(id)a0 withOriginalAttributes:(id)a1; - (id)layoutAttributesForElementsInRect:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0; - (void)dealloc; - (void).cxx_destruct; - (void)_setAttributes:(id)a0 forSection:(long long)a1; - (BOOL)flipsHorizontallyInOppositeLayoutDirection; @end