interface DenseWorkSheet
implements DenseSheet
import { type DenseWorkSheet } from "https://deno.land/x/lume@v2.4.1/deps/sheetjs.ts";
Dense Worksheet Object
Properties
!data: CellObject[][]
Dense-mode worksheets store data in an array of arrays
Cells are accessed with sheet['!data'][R][C] (where R and C are 0-indexed)