import * as i0 from "@angular/core";
type DATA = Record<string, unknown>;
export declare class XlsxService {
    createXlsxFile(filename: string, sheetname: string, data: Array<DATA>): void;
    createMultiSheetXlsxFile(filename: string, sheetData: Array<{
        sheetname: string;
        data: Array<DATA>;
    }>): void;
    private writeFile;
    static ɵfac: i0.ɵɵFactoryDeclaration<XlsxService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<XlsxService>;
}
export {};