export declare type StopwatchElapsedData<T> = T extends bigint ? {
    ns: bigint;
    us: bigint;
    ms: bigint;
    s: bigint;
} : {
    ns: number;
    us: number;
    ms: number;
    s: number;
};
declare class Stampwatch<T extends number | bigint> {
    protected start: bigint;
    protected end?: bigint;
    protected bigint: boolean;
    get elapsed(): StopwatchElapsedData<T>;
    constructor(stamp: bigint, bigint: boolean);
}
export declare class Stopwatch<T extends number | bigint> {
    private readonly start;
    private end?;
    private bigint;
    private stamps;
    get elapsed(): StopwatchElapsedData<T>;
    /**
     *
     * @param bigint Return values as a bigint
     */
    constructor(bigint?: boolean);
    stop(): this;
    stamp(): this;
    getStamp<Y extends boolean>(num: number, required?: Y): Y extends true ? Stampwatch<T> : Stampwatch<T> | null;
    static time(func: Awaited<Function>): Promise<{
        ns: bigint;
        us: bigint;
        ms: bigint;
        s: bigint;
    }>;
}
export {};
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