SwiftDocCRenderBlockContentRenderBlockContent.TableCellExtendedDataStructureRenderBlockContent.TableCellExtendedDataExtended data that may be applied to a table cell.struct TableCellExtendedDataTopicsInitializersinit(rowIndex: Int, columnIndex: Int, colspan: UInt, rowspan: UInt)Instance Propertieslet colspan: UIntThe number of columns this cell spans over.let columnIndex: IntThe column coordinate for the cell described by this data.let rowIndex: IntThe row coordinate for the cell described by this data.let rowspan: UIntThe number of rows this cell spans over.