import { HeatmapOptions, SeriesOptions } from '../../../types';

export type SeriesOptionsPreprocessor = (ctx: unknown, options: SeriesOptions | HeatmapOptions) => SeriesOptions | HeatmapOptions;
export type SeriesOptionsExpander = (options: SeriesOptions | HeatmapOptions) => Array<SeriesOptions | HeatmapOptions>;
export declare function registerSeriesOptionsPreprocessor(fn: SeriesOptionsPreprocessor): void;
export declare function registerSeriesOptionsExpander(fn: SeriesOptionsExpander): void;
export declare function applySeriesOptionsPreprocessors(ctx: unknown, options: SeriesOptions | HeatmapOptions): SeriesOptions | HeatmapOptions;
export declare function expandSeriesOptions(options: SeriesOptions | HeatmapOptions): Array<SeriesOptions | HeatmapOptions>;