import type { PrometheusCalculatedHistogramOptions } from './index.ts';
import type { StopTimer, Histogram } from '@libp2p/interface';
export declare class PrometheusHistogram implements Histogram {
    private readonly histogram;
    constructor(name: string, opts: PrometheusCalculatedHistogramOptions);
    observe(value: number): void;
    reset(): void;
    timer(): StopTimer;
}
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