• AggregateDiscoveryProviderRegistrar
• AggregateDiscoveryProviderServiceConfigurator
• DiscoveryExtension
• DiscoveryExtensionTransformerRegistration
• DiscoveryProviderRegistrar
• DiscoverySubsystemTransformation
• Messages_$logger
• ServiceURIValidator
• StaticDiscoveryProviderRegistrar
• StaticDiscoveryProviderServiceConfigurator