presto-main/src/main/java/io/prestosql/connector/system/SystemConnectorModule.java/SystemConnectorModule/SystemConnectorRegistrar
class SystemConnectorModule:        @Inject
        public SystemConnectorRegistrar(ConnectorManager manager, GlobalSystemConnectorFactory globalSystemConnectorFactory)
        {
            manager.addConnectorFactory(globalSystemConnectorFactory, globalSystemConnectorFactory.getClass()::getClassLoader);
            manager.createCatalog(GlobalSystemConnector.NAME, GlobalSystemConnector.NAME, ImmutableMap.of());
        }