private static void RegisterListeners(IActionContainerRegistrationService registrationService, Assembly assembly)
        {
            registrationService.Register(typeof(DefaultActionListener), typeof(IActionListener));
            var types = assembly
                        .GetTypes()
                        .Where(t => typeof(IActionListener).IsAssignableFrom(t));

            foreach (var type in types)
            {
                registrationService.Register(type, typeof(IActionListener));
            }
        }
        private void RegisterProvidersAndDescriptors(IActionContainerRegistrationService registrationService, Assembly assembly)
        {
            var types = assembly
                        .GetTypes()
                        .Where(t => typeof(IActionProvider).IsAssignableFrom(t));

            var methodDescriptors = types.SelectMany(t =>
            {
                var key = Guid.NewGuid().ToString();
                registrationService.Register(t, typeof(IActionProvider), key);
                var actionDescriptors = DescriptorsFromType(t, key);
                return(actionDescriptors);
            }).ToList();

            registrationService.RegisterInstance(methodDescriptors, typeof(IEnumerable <MethodDescriptor>), "MethodDescriptors");
        }