public static void Index(this IInspector inspector, IInspector parentInspector, string memberName, IInspector grandParentInspector = null) { inspector.SetColumnsAttribute("Index", Layer.UserSupplied, () => $"Idx_{grandParentInspector?.GetInstanceName() ?? parentInspector.GetInstanceName()}_{memberName}".ToConventionCase(), (c) => c.Index == "___Indexable"); }