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#if NET20 || NET30 || NET35 || !NET_4_6
// 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.
namespace System.Diagnostics.Contracts
{
/// <summary>
/// This attribute is used to mark a method as being the invariant
/// method for a class. The method can have any name, but it must
/// return "void" and take no parameters. The body of the method
/// must consist solely of one or more calls to the method
/// Contract.Invariant. A suggested name for the method is
/// "ObjectInvariant".
/// </summary>
[Conditional("CONTRACTS_FULL")]
[AttributeUsage(AttributeTargets.Method, AllowMultiple = false, Inherited = false)]
public sealed class ContractInvariantMethodAttribute : Attribute
{
// Empty
}
}
#endif