/**
 * bunyan日志库工具类,避免使用console.log,以减少日志操作对系统性能的影响
 */
declare class Logger {
    private readonly logLevel;
    constructor(logLevel?: number);
    info(message: string, ...args: any[]): void;
    warn(message: string, ...args: any[]): void;
    error(error: Error, ...args: any[]): void;
    private log;
}
export default Logger;