import { BasePlugin } from '@visactor/vchart/esm/plugin/base/base-plugin';
import type { IChartPlugin, IChartPluginService } from '@visactor/vchart/esm/plugin/chart/interface';
import { type IVChart, type VChartRenderActionSource } from '@visactor/vchart';
export declare class BarMarkerPlugin extends BasePlugin implements IChartPlugin {
    static readonly pluginType: 'chart';
    static readonly specKey = "barMarker";
    static readonly type: string;
    readonly type: string;
    protected _vchart: IVChart;
    constructor();
    onInit(service: IChartPluginService, chartSpec: any): void;
    onAfterChartSpecTransform(service: IChartPluginService, chartSpec: any, actionSource: VChartRenderActionSource): void;
}
export declare const registerBarMarker: () => void;