import { ElementRef, OnChanges, EventEmitter } from '@angular/core';
import { IPieChartConfig } from './pie-chart.model';
import { PieChartBuilder } from './pie-chart.builder';
import { ChartData } from '../core/chart.model';
export declare class PieChartComponent implements OnChanges {
    private chartBuilder;
    config: IPieChartConfig;
    chartElm: ElementRef;
    sliceClicked: EventEmitter<ChartData>;
    private resizeWindowTimeout;
    constructor(chartBuilder: PieChartBuilder);
    ngOnChanges(): void;
    buildChart(): void;
    /**
     * Opting against fromEvent due to incompatibility with rxjs 5 => 6
     */
    onResize(): void;
}