//------------------------------------------------------------
// Copyright (c) Microsoft Corporation.  All rights reserved.
//------------------------------------------------------------
 
namespace System.ServiceModel.Dispatcher
{
    using System.ServiceModel.Channels;
 
    public abstract class MessageQuery
    {
        public virtual MessageQueryCollection CreateMessageQueryCollection()
        {
            return null;
        }
 
        public abstract TResult Evaluate<TResult>(Message message);
        public abstract TResult Evaluate<TResult>(MessageBuffer buffer);
    }
}