declare enum LogLevel {
    Trace = 10,
    Debug = 20,
    Info = 30,
    Warn = 40,
    Error = 50,
    Fatal = 60
}
declare class Logger {
    debug(...items: any[]): void;
    error(...items: any[]): void;
    fatal(...items: any[]): void;
    info(...items: any[]): void;
    log(level: LogLevel, ...items: any[]): void;
    trace(...items: any[]): void;
    warn(...items: any[]): void;
    private formatMessage;
    private isString;
}

declare const log: Logger;

export { LogLevel, log };