import { Chart, ICategoriesAndSeries } from './chart';
import { IVisualizerOptions } from '../../IVisualizerOptions';
import { IChartOptions, IDataPoint } from '../../../common/chartModels';
export declare class Pie extends Chart {
    getStandardCategoriesAndSeries(options: IVisualizerOptions): ICategoriesAndSeries;
    getSplitByCategoriesAndSeries(options: IVisualizerOptions): ICategoriesAndSeries;
    sortSeriesByName(series: any[]): any[];
    getChartTooltipFormatter(chartOptions: IChartOptions): Highcharts.TooltipFormatterCallbackFunction;
    verifyInput(options: IVisualizerOptions): void;
    protected getChartType(): string;
    protected plotOptions(): Highcharts.PlotOptions;
    protected getDataPoint(chartOptions: IChartOptions, point: Highcharts.Point): IDataPoint;
    protected getInnerSize(): string;
    private spreadMultiLevelSeries;
    /**
     * Returns an array that includes all the indexes of the columns that represent a pie slice key
     * @param chartOptions
     */
    private getAllPieKeyIndexes;
    private validateNonEmptyPie;
    private getPercentageSuffix;
}