IGraphicDataProvider
This interface provides graphics data into the RenderPackage interface 
            for given set of objects.
            
using System.Collections.Generic;
namespace Autodesk.DesignScript.Interfaces
{
    public interface IGraphicDataProvider
    {
        List<IGraphicItem> GetGraphicItems(object obj);
        void Tessellate(List<object> objects, IRenderPackage package, TessellationParameters parameters);
    }
}
            