namespace System.Runtime.InteropServices.Marshalling
{
    [CustomMarshaller(typeof(object), MarshalMode.Default, typeof(ComVariantMarshaller))]
    [CustomMarshaller(typeof(object), MarshalMode.UnmanagedToManagedRef, typeof(RefPropagate))]
    public static class ComVariantMarshaller
    {
        public static void Free(ComVariant unmanaged);
    }
}