import type { Datum, ISeriesTooltipHelper, TooltipHandlerParams } from '@visactor/vchart';
import { BaseSeriesTooltipHelper } from '@visactor/vchart';
export declare class PictogramSeriesTooltipHelper extends BaseSeriesTooltipHelper implements ISeriesTooltipHelper {
    dimensionTooltipTitleCallback: (datum: any) => any;
    markTooltipValueCallback: (datum: Datum, params?: TooltipHandlerParams) => any;
    markTooltipKeyCallback: (datum: Datum) => any;
}