/// <reference types="node" />
import { AsyncLocalStorage } from 'async_hooks';
import { Logger } from 'winston';
export type ContextKey = 'requestId' | 'messageId' | 'causationId' | 'eventId';
export type RequestContext = Map<ContextKey, string>;
export declare const LOGGER_NAMESPACE: AsyncLocalStorage<RequestContext>;
export declare const contexts: Map<string, Logger>;
export declare const MISSING_IP = "MISSING_IP";
export declare const defaultLogger: Logger;