// Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. // See the LICENSE file in the project root for more information. using System; namespace System.Runtime.CompilerServices { /// /// Indicates that a method is an extension method, or that a class or assembly contains extension methods. /// [AttributeUsage(AttributeTargets.Method | AttributeTargets.Class | AttributeTargets.Assembly)] public sealed class ExtensionAttribute : Attribute { } }