export declare enum LoggerLevel {
    ERROR = 0,
    WARN = 1,
    INFO = 2,
    DEBUG = 3,
    TRACE = 4
}
export declare class Logger {
    private _level;
    set level(value: LoggerLevel);
    error(message: any, ...optionalParams: any[]): void;
    warn(message: any, ...optionalParams: any[]): void;
    info(message: any, ...optionalParams: any[]): void;
    debug(message: any, ...optionalParams: any[]): void;
    trace(message: any, ...optionalParams: any[]): void;
}