import { DownloadItem } from '../actions/download';
import { PieWidgetData } from './types';
/**
 * Download menu items for the Pie widget. Always includes a CSV item with
 * `series, name, value` columns (one row per slice; series labels come from
 * `seriesNames` if provided, else `series_<n>`). When `getCaptureEl` is
 * supplied, prepends a PNG item that rasterises the captured element via
 * `html2canvas`.
 */
export declare function createPieDownloadConfig(args: {
    filename: string;
    getData: () => PieWidgetData;
    seriesNames?: readonly string[];
    getCaptureEl?: () => HTMLElement | null;
    pngPixelRatio?: number;
    pngBackgroundColor?: string | null;
}): DownloadItem[];