/// <reference types="node" />
import { FastifyInstance } from 'fastify';
import { HttpMetricOptions } from './types';
declare const _default: import("fastify").FastifyPluginCallback<HttpMetricOptions, import("http").Server>;
export default _default;
export declare function httpMetrics(fastify: FastifyInstance, { telemetry, prefix, name, labels, concurrentConnections, concurrentRequests, requestDuration, }: HttpMetricOptions, done: () => void): void;