namespace System.ServiceModel.Security
{
    [ServiceContract(Name = "IWSTrustFeb2005Async", Namespace = "http://schemas.microsoft.com/ws/2008/06/identity/securitytokenservice")]
    public interface IWSTrustFeb2005AsyncContract
    {
        [OperationContract(Action = "http://schemas.xmlsoap.org/ws/2005/02/trust/RST/Validate", AsyncPattern = true, Name = "TrustFeb2005ValidateAsync", ReplyAction = "http://schemas.xmlsoap.org/ws/2005/02/trust/RSTR/Validate")]
        IAsyncResult BeginTrustFeb2005Validate(Message request, AsyncCallback callback, object state);
    }
}