export declare enum LogLevel {
    ERROR = 0,
    WARN = 1,
    INFO = 2,
    DEBUG = 3
}
export declare class Logger {
    private level;
    constructor(level?: LogLevel);
    setLevel(level: LogLevel): void;
    getLevel(): LogLevel;
    private log;
    debug(...args: any[]): void;
    info(...args: any[]): void;
    warn(...args: any[]): void;
    error(...args: any[]): void;
}