import { Injector } from '@angular/core';
import { ChartSeriesComponent } from './series.component';
export declare class ChartAreaSeriesComponent extends ChartSeriesComponent {
    injector: Injector;
    seriesType: 'line' | 'area' | 'bar';
    startOpacity: number;
    endOpacity: number;
    linearGradientXY: {
        x1: string;
        x2: string;
        y1: string;
        y2: string;
    };
    constructor(injector: Injector);
    getGradientFillId(id: string): string;
    gradient: (color: string) => {
        offset: number;
        color: string;
        opacity: number;
    }[];
}
