namespace System.ServiceModel.ComIntegration
{
    [Guid("181b448c-c17c-4b17-ac6d-06699b93198f")]
    [InterfaceType(ComInterfaceType.InterfaceIsIDispatch)]
    public interface IChannelCredentials
    {
        void SetWindowsCredential(string domain, string userName, string password, int impersonationLevel, bool allowNtlm);
    }
}