export declare class McXlsxService {
    constructor();
    exportAsExcelFile(json: any[], excelFileName: string): void;
    exportAsExcelFileFromAOA(aoa: any[], excelFileName: string): void;
    exportAsExcelFileFromTableDocumentElement(element: HTMLElement, excelFileName: string): void;
    private saveAsExcelFile(buffer, fileName);
    exportAsCSVFile(json: any[], excelFileName: string): void;
    exportAsCSVFileFromAOA(aoa: any[], excelFileName: string): void;
    exportAsCSVFileFromTableDocumentElement(element: HTMLElement, excelFileName: string): void;
    private saveAsCSVFile(buffer, fileName);
}