// 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.Description
{
    public enum MessageDirection
    {
        Input,
        Output
    }
 
    internal static class MessageDirectionHelper
    {
        internal static bool IsDefined(MessageDirection value)
        {
            return (value == MessageDirection.Input || value == MessageDirection.Output);
        }
 
        internal static MessageDirection Opposite(MessageDirection d)
        {
            return d == MessageDirection.Input ? MessageDirection.Output : MessageDirection.Input;
        }
    }
}