    Status getRoleDescriptionsForDB(OperationContext*,
                                    std::string,
                                    PrivilegeFormat,
                                    AuthenticationRestrictionsFormat,
                                    bool,
                                    std::vector<BSONObj>*) override {
        UASSERT_NOT_IMPLEMENTED;
    }
    Status getRoleDescriptionsForDB(OperationContext*,
                                    std::string,
                                    PrivilegeFormat,
                                    AuthenticationRestrictionsFormat,
                                    bool,
                                    std::vector<BSONObj>*) override {
        UASSERT_NOT_IMPLEMENTED;
    }