import { LogLevel } from './type';
export interface LoggerOptions {
    logLevel?: LogLevel;
}
export declare class Logger {
    private _options;
    private _start;
    constructor(_options: LoggerOptions);
    reqLog(req: Request): void;
    resLog(req: Request, res: Response): void;
    private _fmtHeader(headers);
    private _fmtBody();
}