namespace System.Runtime.InteropServices.Marshalling
{
    [CLSCompliant(false)]
    [CustomMarshaller(typeof(string), MarshalMode.Default, typeof(BStrStringMarshaller))]
    [CustomMarshaller(typeof(string), MarshalMode.ManagedToUnmanagedIn, typeof(ManagedToUnmanagedIn))]
    public static class BStrStringMarshaller
    {
        public static ushort* ConvertToUnmanaged(string? managed);
    }
}