import type { DataTable } from '../chart-data-processor/table-processor';
import type { ChartData } from './types';
import type { ChartDataOptionsInternal } from '../chart-data-options/types';
import type { ChartType } from '../types';
export type ChartDataHandler = (chartDataOptions: ChartDataOptionsInternal, dataTable: DataTable) => ChartData;
export declare const registerChartDataHandler: (chartType: ChartType, handler: ChartDataHandler) => void;
export declare const getChartDataHandler: (chartType: ChartType) => ChartDataHandler | undefined;
export declare const clearChartDataHandlers: () => void;
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