import { ElementRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare abstract class BaseChart {
    svg: ElementRef;
    toBase64(): string;
    toImage(): Promise<any>;
    download(width: number, height: number, fileName?: string): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<BaseChart, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<BaseChart, never, never, {}, {}, never>;
}
//# sourceMappingURL=BaseChart.d.ts.map