import { ILogger, ILogService } from "./types";
export declare class NullLoggerService implements ILogService {
    createLogger(label: string): ILogger;
}
export declare class NullLogger implements ILogger {
    error(message: string | Error, ...args: any[]): void;
    info(message: string, ...args: any[]): void;
    warn(message: string, ...args: any[]): void;
    verbose(message: string, ...args: any[]): void;
    debug(message: string, ...args: any[]): void;
    log(level: string, message: string, ...args: any[]): void;
    isLevelEnabled(level: string): boolean;
}