public static void LoadOLS(this Column obj)
{
var p = obj.GetAnnotation(ANN_OLS);
if (p != null)
{
obj.ObjectLevelSecurity.CopyFrom(JsonConvert.DeserializeObject <Dictionary <string, MetadataPermission> >(p));
obj.RemoveAnnotation(ANN_OLS);
}
}
void IInternalAnnotationObject.RemoveAnnotation(string name, bool undoable) => Column.RemoveAnnotation(name, undoable);
