import { IWidgetModel } from '@shujujiang/core/widget/widgetmodel';
import { ECWidget } from '../../echarts/ecwidget';
import { IFilter, IFilterGroup } from '@shujujiang/core/widget/dataset';
import './extention/word';
import { IDataSetConditionCalculator } from '@shujujiang/core/widget/threshold';
export declare class WordCloud extends ECWidget {
    composeOption(option: IWidgetModel): any;
    selectPoints(filter: IFilter | IFilterGroup): void;
    protected invokeSelectPoints(calculator: IDataSetConditionCalculator): boolean;
    protected invokeClearSelectedPoints(): void;
    protected assembleSelection(chartOption: any, filter: IFilter | IFilterGroup): any;
}