import { ElementRef } from '@angular/core';
/**
 * Lib
 */
import { IPieChartConfig } from './pie-chart.model';
import { ChartAxis } from '../core/axis';
import { ChartGridConfig } from '../core/grid.builder';
import { ChartTransition } from '../core/transition';
import { ChartTooltip } from '../core/tooltip';
import { ChartColorService } from '../core/color.service';
import { QmsChart } from '../core/chart';
import { ChartData } from '../core/chart.model';
import { Observable } from 'rxjs';
export interface IPieChartBuilder {
    buildChart(chartElm: ElementRef, config: IPieChartConfig): void;
}
export declare class PieChartBuilder extends QmsChart implements IPieChartBuilder {
    axisBuilder: ChartAxis;
    gridBuilder: ChartGridConfig;
    transitionService: ChartTransition;
    tooltipBuilder: ChartTooltip;
    colorService: ChartColorService;
    private radius;
    private arcShape;
    private arcOverShape;
    private pieAngles;
    private sliceClickedSource;
    sliceClicked$: Observable<ChartData>;
    constructor(axisBuilder: ChartAxis, gridBuilder: ChartGridConfig, transitionService: ChartTransition, tooltipBuilder: ChartTooltip, colorService: ChartColorService);
    buildChart(chartElm: ElementRef, config: IPieChartConfig): void;
    private buildShapes;
    private drawChart;
    private tweenChart;
}