import { AbstractChart, IViewData } from './abstract.chart';
import { IPerformanceResult } from '../types';
declare type ChartData = {
    layoutDuration: number[];
    recalcStyleDuration: number[];
    scriptDuration: number[];
    taskDuration: number[];
};
export declare class MetricsChartReporter extends AbstractChart<ChartData> {
    readonly type: 'chart';
    readonly name: string;
    readonly title = "Common performance metrics";
    yAxesLabelCalback: (value: string | number) => string;
    protected getViewData: (rawData: IPerformanceResult) => IViewData<ChartData>;
    protected getDatasetEntries: (viewData: ChartData) => {
        label: string;
        data: number[];
        borderColor: string;
        backgroundColor: string;
        borderWidth: number;
    }[];
}
export {};