// 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. #if !NETSTANDARD2_1_OR_GREATER namespace System.Diagnostics.CodeAnalysis; /// /// Specifies that an output will not be even if the corresponding type allows it. /// Specifies that an input argument was not when the call returns. /// /// Internal copy from the BCL attribute. [AttributeUsage(AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.Property | AttributeTargets.ReturnValue)] internal sealed class NotNullAttribute : Attribute { } #endif