def METHOD_NAME():
    """
    Initialize all the services needed.
    """
    from langflow.services.database import factory as database_factory
    from langflow.services.cache import factory as cache_factory
    from langflow.services.chat import factory as chat_factory
    from langflow.services.settings import factory as settings_factory
    from langflow.services.auth import factory as auth_factory
    service_manager.register_factory(settings_factory.SettingsManagerFactory())
    service_manager.register_factory(
        auth_factory.AuthManagerFactory(), dependencies=[ServiceType.SETTINGS_MANAGER]
    )
    service_manager.register_factory(
        database_factory.DatabaseManagerFactory(),
        dependencies=[ServiceType.SETTINGS_MANAGER],
    )
    service_manager.register_factory(cache_factory.CacheManagerFactory())
    service_manager.register_factory(chat_factory.ChatManagerFactory())
    # Test cache connection
    service_manager.get(ServiceType.CACHE_MANAGER)
    # Test database connection
    service_manager.get(ServiceType.DATABASE_MANAGER)