// Copyright (c) .NET Foundation. All rights reserved.// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.import{ILogger,LogLevel}from"./ILogger";/** A logger that does nothing when log messages are sent to it. */exportclassNullLoggerimplementsILogger{/** The singleton instance of the {@link @aspnet/signalr.NullLogger}. */publicstaticinstance:ILogger=newNullLogger();privateconstructor(){}/** @inheritDoc */// tslint:disable-next-linepubliclog(_logLevel:LogLevel,_message:string):void{}}