import { IWidgetModel } from '@shujujiang/core/widget/widgetmodel';
import { LineChart } from '../line';
export declare class AreaChart extends LineChart {
    composeOption(option: IWidgetModel): import("../../../../../../../Documents/Gitee/shujujiang/widgets/node_modules/@shujujiang/core/widget/style").IWidgetStyle;
    protected _createGradientDirection(gradientDirection: any): {
        x: number;
        y: number;
        x2: number;
        y2: number;
    };
}