// 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.ServiceModel
{
    public enum ConcurrencyMode
    {
        Single, // This is first so it is ConcurrencyMode.default
        Reentrant,
        Multiple
    }
 
    public static class ConcurrencyModeHelper
    {
        static public bool IsDefined(ConcurrencyMode x)
        {
            return
                x == ConcurrencyMode.Single ||
                x == ConcurrencyMode.Reentrant ||
                x == ConcurrencyMode.Multiple ||
                false;
        }
    }
}