final String language = locale.getLanguage();
            final String country = locale.getCountry();
            if (StringUtil.isNotBlank(language)) {
                if (StringUtil.isNotBlank(country)) {
                    return language.toLowerCase(Locale.ROOT) + "-" + country.toLowerCase(Locale.ROOT);
                }
                return language.toLowerCase(Locale.ROOT);
            }

        return "click_log";
    }

    // ===================================================================================
    //                                                                       Query Control
    //                                                                       =============
    public void functionScore(OperatorCall<ClickLogCQ> queryLambda, ScoreFunctionCall<ScoreFunctionCreator<ClickLogCQ>> functionsLambda,

        return "path_mapping";
    }

    // ===================================================================================
    //                                                                       Query Control
    //                                                                       =============
    public void functionScore(OperatorCall<PathMappingCQ> queryLambda,

        return "file_authentication";
    }

    // ===================================================================================
    //                                                                       Query Control
    //                                                                       =============
    public void functionScore(OperatorCall<FileAuthenticationCQ> queryLambda,

    } catch (Exception | Error unsafeFailure) { // sneaky checked exception
      thrownUnsafeFailure = unsafeFailure;
      // catch absolutely everything and fall through to our 'SafeAtomicHelper'
      // The access control checks that ARFU does means the caller class has to be AbstractFuture
      // instead of SafeAtomicHelper, so we annoyingly define these here
      try {
        helper =
            new SafeAtomicHelper(

        return "failure_url";
    }

    // ===================================================================================
    //                                                                       Query Control
    //                                                                       =============
    public void functionScore(OperatorCall<FailureUrlCQ> queryLambda, ScoreFunctionCall<ScoreFunctionCreator<FailureUrlCQ>> functionsLambda,

        return "related_query";
    }

    // ===================================================================================
    //                                                                       Query Control
    //                                                                       =============
    public void functionScore(OperatorCall<RelatedQueryCQ> queryLambda,

        return "bad_word";
    }

    // ===================================================================================
    //                                                                       Query Control
    //                                                                       =============
    public void functionScore(OperatorCall<BadWordCQ> queryLambda, ScoreFunctionCall<ScoreFunctionCreator<BadWordCQ>> functionsLambda,

        return "boost_document_rule";
    }

    // ===================================================================================
    //                                                                       Query Control
    //                                                                       =============
    public void functionScore(OperatorCall<BoostDocumentRuleCQ> queryLambda,

   * consistent. For example, this method <i>might</i> choose to pass through recognized
   * implementations of {@code PeekingIterator} when the behavior of the implementation is known to
   * meet the contract guaranteed by this method.
   *
   * <p>There is no {@link Iterable} equivalent to this method, so use this method to wrap each
   * individual iterator as it is generated.
   *