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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
#nullable enable
#if NETSTANDARD2_0 || NETSTANDARD2_1
namespace System.Diagnostics.CodeAnalysis
{
/// <summary>
/// Indicates that the specified method requires dynamic access to code that is not referenced
/// statically, for example through <see cref="System.Reflection"/>.
/// </summary>
/// <remarks>
/// This allows tools to understand which methods are unsafe to call when removing unreferenced
/// code from an application.
/// </remarks>
[AttributeUsage(AttributeTargets.Method | AttributeTargets.Constructor | AttributeTargets.Class, Inherited = false)]
#if SYSTEM_PRIVATE_CORELIB
public
#else
internal
#endif
sealed class RequiresUnreferencedCodeAttribute : Attribute
{
/// <summary>
/// Initializes a new instance of the <see cref="RequiresUnreferencedCodeAttribute"/> class
/// with the specified message.
/// </summary>
/// <param name="message">
/// A message that contains information about the usage of unreferenced code.
/// </param>
public RequiresUnreferencedCodeAttribute(string message)
{
Message = message;
}
/// <summary>
/// Gets a message that contains information about the usage of unreferenced code.
/// </summary>
public string Message { get; }
/// <summary>
/// Gets or sets an optional URL that contains more information about the method,
/// why it requries unreferenced code, and what options a consumer has to deal with it.
/// </summary>
public string? Url { get; set; }
}
}
#endif
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