import { ChartSeriesComponent } from './series.component';
import * as i0 from "@angular/core";
export declare class ChartAreaSeriesComponent extends ChartSeriesComponent {
    seriesType: 'line' | 'area' | 'bar';
    startOpacity: number;
    endOpacity: number;
    linearGradientXY: {
        x1: string;
        x2: string;
        y1: string;
        y2: string;
    };
    getGradientFillId(id: string): string;
    gradient: (color: string) => {
        offset: number;
        color: string;
        opacity: number;
    }[];
    static ɵfac: i0.ɵɵFactoryDeclaration<ChartAreaSeriesComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<ChartAreaSeriesComponent, "g[aclAreaSeries]", never, { "seriesType": { "alias": "seriesType"; "required": false; }; "startOpacity": { "alias": "startOpacity"; "required": false; }; "endOpacity": { "alias": "endOpacity"; "required": false; }; }, {}, never, never, false, never>;
}