@class CKConversationListCollectionViewController; @interface CKConversationListCollectionViewLayout : NSObject @property (weak, nonatomic) CKConversationListCollectionViewController *conversationListController; - (id)init; - (void).cxx_destruct; - (double)_edgeToAvatarWidthForPinnedConversationLayoutStyle:(long long)a0; - (id)_emptyLayoutSection; - (double)_leadingSeparatorInsetForEnvironment:(id)a0; - (double)_minimumEdgeToCellSpacingForLayoutStyle:(long long)a0; - (long long)_numberOfItemsInSection:(unsigned long long)a0; - (long long)_pinnedConversationViewLayoutStyleForCollectionViewSize:(struct CGSize { double x0; double x1; })a0; - (BOOL)_sectionNeedsRecoverableDisclosureHeader:(long long)a0; - (double)_totalVerticalRowSpacingForLayoutStyle:(long long)a0; - (double)conversationCellHeight; - (id)conversationListLayout; - (id)focusFilterLayoutSectionForEnvironment:(id)a0; - (long long)numberOfPinnedConversationColumnsForLayoutStyle:(long long)a0; - (id)pinGridLayoutGroupForCollectionViewSize:(struct CGSize { double x0; double x1; })a0 numberOfItems:(long long)a1; - (id)pinGridLayoutSectionForEnvironment:(id)a0 withNumberOfItems:(long long)a1 isShowingFocusFilterBanner:(BOOL)a2; - (double)pinnedConversationCellHeightForLayoutStyle:(long long)a0 cellWidth:(double)a1; - (id)pinningOnboardingTitleLayoutSectionForEnvironment:(id)a0; - (id)rowLayoutSectionForEnvironment:(id)a0 withRowHeight:(double)a1 usingEstimatedRowHeight:(BOOL)a2 needsPinnedSectionSeparator:(BOOL)a3 forSection:(long long)a4; - (id)tipKitLayoutSectionForEnvironment:(id)a0; - (void)updatePinnedConversationViewLayoutStyle; - (double)widthForPinnedConversationCellInCollectionViewOfSize:(struct CGSize { double x0; double x1; })a0 numberOfItems:(long long)a1; @end