namespace System.Runtime.InteropServices.Marshalling
{
    [AttributeUsage(AttributeTargets.Interface, Inherited = false)]
    [CLSCompliant(false)]
    public class IUnknownDerivedAttribute<T, TImpl> : Attribute, IIUnknownDerivedDetails
        where T, IIUnknownInterfaceType!
    {
        public Type! Implementation { get; }
    }
}