/// <reference types="node" />
import { Duplex, Writable } from 'stream';
import { CommandLogonRequest } from '../lib';
import { Logger } from 'pino';
export declare const cred1: CommandLogonRequest;
export declare const cred2: CommandLogonRequest;
export declare type PacketsStat = {
    delay: number;
    size: number;
}[];
export declare function getPacketsStatsStream(label: string, enabled: boolean | undefined, logger: Logger): Duplex;
export declare function getOpusStatsStream(logger: Logger): Duplex;
export declare function getBitrateStatsStream(period: number, logger: Logger): Duplex;
export declare function getDevNullStream(): Writable;