static void UpdateControllerServices <T>(ServicesContainer services, IComponentContext container, ControllerTypeKey serviceKey) where T : class
{
var resolvedInstances = container.ResolveOptionalKeyed <IEnumerable <Meta <T> > >(serviceKey).ToArray();
if (resolvedInstances.Any(service => ClearExistingServices(service.Metadata)))
{
services.Clear(typeof(T));
}
foreach (var instance in resolvedInstances)
{
services.Add(typeof(T), instance.Value);
}
}
