+return {
+ new_null_provider = new_null_provider;
+ initialize_host = initialize_host;
+ test_password = test_password;
+ get_password = get_password;
+ set_password = set_password;
+ user_exists = user_exists;
+ create_user = create_user;
+ delete_user = delete_user;
+ users = users;
+ get_sasl_handler = get_sasl_handler;
+ get_provider = get_provider;
+ is_admin = is_admin;
+};