import { ElementRef } from '@angular/core';
import { MtnaBaseChart } from '../base-chart';
import { MtnaAmChartsConfig } from './amcharts-configs';
import type { Color, color, Sprite } from '@amcharts/amcharts4/core';
export declare abstract class MtnaBaseAmChart<C extends MtnaAmChartsConfig> implements MtnaBaseChart {
    protected elementRef: ElementRef;
    protected config: C;
    protected sprite: Sprite | undefined;
    constructor(elementRef: ElementRef, config: C);
    cleanup(): void;
    /**
     * Creates the chart to be displayed. Any Amchart component extending the MtnaBaseAmChart
     * needs to utilize createChart building the chart data.
     */
    abstract createChart(): Promise<Sprite | undefined>;
    generateColorList(colors: Array<string>, colorFn: typeof color): Array<Color>;
}