import { OnInit, OnChanges } from '@angular/core';
import * as nv from 'nvd3';
import { ChartConfig } from '../chart-config';
export declare class DoughnutChartComponent implements OnInit, OnChanges {
    config: ChartConfig;
    chart: nv.PieChart;
    constructor();
    ngOnInit(): void;
    ngOnChanges(): void;
    createChart(): void;
    updateChart(): void;
}