import { InworldError } from '../entities/error.entity';
interface LoggerMessage {
    action?: string;
    data?: any;
    sessionId?: string;
}
export declare enum LoggerLevel {
    DEBUG = "debug",
    WARN = "warn",
    ERROR = "error"
}
export declare class Logger {
    private static instance;
    private level;
    private file;
    private logger;
    constructor();
    static getLevel(): LoggerLevel;
    static getInstance(): Logger;
    debug(message: LoggerMessage): void;
    warn(message: LoggerMessage): void;
    error(err: InworldError): void;
    private createTransport;
}
export {};