export type ExportColumn<T> = {
    title: string;
    renderData: (data: T, index: number) => string | number;
};
declare function exportTxt(filename: string, text: string): void;
declare function exportCsv<T>(columns: Array<ExportColumn<T>>, data: T[], extraRow?: string): void;
export declare const ExportUtil: Readonly<{
    exportTxt: typeof exportTxt;
    exportCsv: typeof exportCsv;
}>;
export {};