namespace System.Runtime.InteropServices.Marshalling
{
    [CLSCompliant(false)]
    [CustomMarshaller(typeof(string), MarshalMode.Default, typeof(AnsiStringMarshaller))]
    [CustomMarshaller(typeof(string), MarshalMode.ManagedToUnmanagedIn, typeof(ManagedToUnmanagedIn))]
    public static class AnsiStringMarshaller
    {
        public struct ManagedToUnmanagedIn
        {
            public void Free();
        }
    }
}