Initial set of validating references
ValidatingReference for MBeanServer
ValidatingReference for ConfigurationAdmin
ValidatingReference for CuratorFramework
ValidatingReference for ContainerRegistration
ValidatingReference for DataStoreRegistrationHandler
ValidatingReference for DataStore
ValidatingReference for GitDataStore
ValidatingReference for PortService
ValidatingReference for FirewallManagerFactory
ValidatingReference for CredentialStore
ValidatingReference for GitService
ValidatingReference for HttpService
ValidatingReference for FabricGitService
ValidatingReference for IOpenShiftConnection
ValidatingReference for FabricService