export declare enum Level {
    notset = 0,
    debug = 10,
    info = 20,
    warning = 30,
    error = 40,
    critical = 50
}
export declare class Logger {
    level: Level;
    constructor(level?: Level);
    log(level: Level, message?: any, ...optionalParams: any[]): void;
    debug(message?: any, ...optionalParams: any[]): void;
    info(message?: any, ...optionalParams: any[]): void;
    warning(message?: any, ...optionalParams: any[]): void;
    error(message?: any, ...optionalParams: any[]): void;
    critical(message?: any, ...optionalParams: any[]): void;
}
export declare const logger: Logger;