import { Logger as NestLogger, LoggerService } from '@nestjs/common';
export declare class Logger extends NestLogger implements LoggerService {
    private _prefix?;
    setPrefix(prefix: string | undefined): void;
    get prefix(): string | undefined;
    private static _logger;
    static get logger(): any;
    static setLogger(logger: any): void;
    private static _instance;
    private get instance();
    log(message: string, context?: string): void;
    error(message: any, trace?: string, context?: string): void;
    warn(message: string, context?: string): void;
    debug(message: string, context?: string): void;
    verbose(message: string, context?: string): void;
    static error(message: string, context?: string, trace?: string): void;
    static warn(message: string, context?: string): void;
    static info(message: string, context?: string): void;
    static verbose(message: string, context?: string): void;
    static debug(message: string, context?: string): void;
}