import { LoggerService as NestLoggerService } from '@nestjs/common';
import { Chalk } from 'chalk';
import { Logger as _WinstonLogger } from 'winston';
export declare function getContextColor(context: string): Chalk;
export declare function getLevelColor(level: 'log' | 'error' | 'warn' | 'debug' | 'verbose' | string): Chalk;
export declare class WinstonLogger implements NestLoggerService {
    protected readonly logger: _WinstonLogger;
    static getInstance(): WinstonLogger;
    static getChild(context: string): _WinstonLogger;
    constructor(loggerOrFactory: _WinstonLogger | (() => _WinstonLogger));
    getWinston(): _WinstonLogger;
    log(message: any, context?: string): void;
    error(message: any, trace?: string, context?: string): void;
    warn(message: any, context?: string): void;
    debug(message: any, context?: string): void;
    verbose(message: any, context?: string): void;
    http(message: string, meta: object): void;
    child(context: string): _WinstonLogger;
}