import { TimeUnit } from "../../util/TimeUtil";
import { MetricId, Measurement } from "../Metric";
import { MetricRegistry } from "../MetricRegistry";
import { Timer } from "../Timer";
import { DelegatingMetric } from "./DelegatingMetric";
export declare class DelegatingTimer implements DelegatingMetric, Timer {
    id: MetricId;
    private noopTimer;
    private _timers;
    constructor(id: MetricId);
    private get firstTimer();
    totalTime(unit: TimeUnit): number;
    max(unit: TimeUnit): number;
    mean(unit: TimeUnit): number;
    record(amount: number, unit: TimeUnit): void;
    get timers(): Timer[];
    add(registry: MetricRegistry): void;
    count(): number;
    measure(): Measurement[];
}