import { DownloadItem } from '../actions';
import { ConfigProps } from '../loader/types';
import { SpreadWidgetConfig, SpreadWidgetData } from './types';
/**
 * Creates download configuration for spread widgets, supporting PNG (screenshot) and CSV (min/max data) exports.
 *
 * @param props - Configuration with `refUI` reference for PNG export.
 * @returns Array of download items for use with the Download action.
 */
export declare function spreadDownloadConfig({ refUI, }: ConfigProps): DownloadItem<SpreadWidgetData>[];
/**
 * Returns the default configuration for spread (min/max value range) widgets.
 *
 * @returns Default spread widget config with empty series.
 */
export declare function spreadConfig(): SpreadWidgetConfig;