/**
 * Data to CSV
 * Example:
 * const data = [{id: '1', field: '2'}, {id: '3', field: '4'}]
 * dataToCSV(data) -> 'id,field\n"1","2"\n"3","4"\n'
 */
export declare type CSVValue = string | number | any;
export declare type CSVRowObject = {
    [key: string]: CSVValue;
};
export declare type CSVRowArray = Array<CSVValue>;
export declare type CSVRow = CSVRowObject | CSVRowArray;
export declare type CSVData = Array<CSVRow>;
declare function arrayToCSV(flatData: CSVData): string;
export default arrayToCSV;