import { type IChartPlugin, type IChartPluginService, BasePlugin } from '@visactor/vchart';
export declare class ExtensionMarkSyncStatePlugin extends BasePlugin<IChartPluginService> implements IChartPlugin {
    static readonly pluginType: 'chart';
    static readonly type: string;
    readonly type: string;
    private _unsubscribeAfterRender?;
    private _subscribedEvent?;
    constructor();
    onAfterInitChart(service: IChartPluginService, chartSpec: any): void;
    release(): void;
    private _detectSyncState;
    private _hasExtensionMarkWithSyncState;
    private _syncStates;
    private _syncSeriesStates;
}
export declare const registerExtensionMarkSyncStatePlugin: () => void;