import { PieChart } from './pie';
import { ChartConfig } from '../interfaces/model';
import { PieChartOptions } from '../interfaces/charts';
import { Component } from '../components/component';
export declare class DonutChart extends PieChart {
    constructor(holder: HTMLDivElement, chartConfigs: ChartConfig<PieChartOptions>);
    /**
     * Retrieves the components to be rendered inside the graph frame.
     *
     * @returns {Component[]} An array of components to be rendered.
     */
    getComponents(): Component[];
}