/*!
 * @copyright FLYACTS GmbH 2018
 */
import * as winston from 'winston';
/**
 * A logger for backend projects
 */
export declare class Logger {
    private interalLogger;
    private lastFilename;
    constructor(logLevel?: string);
    /**
     * Log level error method
     */
    error(message: string, ...meta: any[]): winston.Logger;
    /**
     * Log level warn method
     */
    warn(message: string, ...meta: any[]): winston.Logger;
    /**
     * Log level info method
     */
    info(message: string, ...meta: any[]): winston.Logger;
    /**
     * Log level debug method
     */
    debug(message: string, ...meta: any[]): winston.Logger;
    private get filename();
    /**
     * fancy format the log messages
     */
    private format;
}