import { DownloadItem } from '../actions/download';
import { HistogramWidgetData } from './types';
/**
 * Download menu items for histograms. Always includes a CSV item with
 * `bin_low, bin_high, series_1_count, series_2_count, …` columns (one row
 * per bin). When `getCaptureEl` is supplied, prepends a PNG item that
 * rasterises the captured element via `html2canvas`.
 */
export declare function createHistogramDownloadConfig(args: {
    filename: string;
    getData: () => HistogramWidgetData;
    getTicks: () => readonly number[];
    seriesNames?: readonly string[];
    getCaptureEl?: () => HTMLElement | null;
    pngPixelRatio?: number;
    pngBackgroundColor?: string | null;
}): DownloadItem[];