import { Command } from '@hufe921/canvas-editor'; declare module '@hufe921/canvas-editor' { interface Command { executeImportExcel(options: IImportExcelOption): void; } } declare module 'exceljs' { interface WorksheetModel { rows: Row[]; } interface Row { cells: Cell[]; } } export interface IImportExcelOption { arrayBuffer: ArrayBuffer; } export default function (command: Command): (options: IImportExcelOption) => Promise;