export declare type logLevel = 'error' | 'warn' | 'info' | 'verbose' | 'debug' | 'silly'; export default class Logger { constructor(scope: string); private DEBUG; private ERROR; private INFO; private logLevel; private scope; private SILLY; private VERBOSE; private WARN; debug(message: string): void; error(message: string): void; info(message: string): void; silly(message: string): void; verbose(message: string): void; warn(message: string): void; }