/// <reference types="node" />
import { Stream } from 'stream';
declare const _default: {
    enabled: (newIsEnabled: boolean) => void;
    prefix: (message?: string | undefined) => void;
    prefixStream: (stream: Stream) => void;
    log: (message?: string | undefined) => void;
    logStream: (stream: Stream) => void;
};
export default _default;