export interface SheetJsWorkbook{SheetNames:string[];Sheets:Record<string,unknown>;}export interface SheetJsApi{read(input:ArrayBuffer,options?:Record<string,unknown>):SheetJsWorkbook;utils:{sheet_to_json(sheet:unknown,options?:Record<string,unknown>):unknown;};}export declare function loadSheetJs(importXlsx?:()=>Promise<unknown>):Promise<SheetJsApi|null>;export declare function loadSheetJsCached():Promise<SheetJsApi|null>;export declare function clearSheetJsCache():void;