private static void AddDelegator(IPersistenceProvider iPersistenceProvider, IPersistenceProvider engine)
{
PropertyInfo delegatorsProperty = engine.GetType().GetProperty("Delegators");
List<IPersistenceProvider> delegators;
if (delegatorsProperty.GetValue(engine, null) == null)
delegators = new List<IPersistenceProvider>();
else
delegators = new List<IPersistenceProvider>((IEnumerable<IPersistenceProvider>)delegatorsProperty.GetValue(engine, null));
delegators.Add(iPersistenceProvider);
delegatorsProperty.SetValue(engine, delegators.ToArray(), null);
}