import type { ElementRef } from '@angular/core';
import type { IPieChartDataNode, IPieChartOptions } from '../interfaces/pie-chart.interface';
/**
 * The pie chart default configuration.
 */
export declare const defaultPieChartConfig: IPieChartOptions;
/**
 * Draws the pie chart.
 * @param container the chart container
 * @param data the chart data
 * @param options the chart options
 * @returns the chart configuration
 */
export declare const drawPieChart: (container: ElementRef<HTMLDivElement>, data: IPieChartDataNode[], options?: Partial<IPieChartOptions>) => IPieChartOptions;