import { Stopwatch } from './Stopwatch';
export declare class Stopwatches {
    static create(): Stopwatch;
    static withStopwatch<T>(delegate: () => T, onFinished: (stopwatch: Stopwatch) => void): T;
    static withStopwatchAsync<T>(delegate: () => Promise<T>, onFinished: (stopwatch: Stopwatch) => void): Promise<T>;
}