@visactor/vchart/esm/series/range-area/tooltip-helper.d.ts

charts lib based @visactor/VGrammar

import type { ISeriesTooltipHelper } from '../interface';
import { BaseSeriesTooltipHelper } from '../base/tooltip-helper';
export declare class RangeAreaSeriesTooltipHelper extends BaseSeriesTooltipHelper implements ISeriesTooltipHelper {
    protected _getMeasureData: (datum: any) => string;
}