import { ChartsOptionProps } from '../Charts';
/**
 * Returns a custom legend tooltip for Line charts
 *
 * @param series
 * @param option
 * @param echart
 * @private Not intended as public API and subject to change
 */
export declare const getLegendTooltip: (series: any[], option: ChartsOptionProps, echart: any) => any;
/**
 * Returns a custom legend tooltip for Sankey chart
 *
 * @param series
 * @param option
 * @private Not intended as public API and subject to change
 */
export declare const getSankeyTooltip: (series: any[], option: ChartsOptionProps) => any;
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