return "";
                case FessConfig.INDEX_ADMIN_DOUBLE_FIELDS:
                    return "";
                case FessConfig.INDEX_ADMIN_DATE_FIELDS:
                    return "expires,start_time,end_time";
                case FessConfig.INDEX_ADMIN_REQUIRED_FIELDS:
                    return "url,title,role,boost";
                case FessConfig.INDEX_ADMIN_ARRAY_FIELDS:
                    return "alerts,roles";

            readerThreads[i] = new Thread(() -> {
                try {
                    startLatch.await(); // Wait for start signal
                    long endTime = System.currentTimeMillis() + testDurationMs;
                    while (System.currentTimeMillis() < endTime) {
                        observations[threadIndex].add(dataStore.alive);
                        Thread.yield(); // Allow other threads to run
                    }

            }
        });
        testThread.start();

        long startTime = System.currentTimeMillis();
        method.invoke(crawler, testThread);
        long endTime = System.currentTimeMillis();

        assertTrue("Thread should have been joined", endTime - startTime >= 100);
    }

    // Test destroyContainer private static method via reflection
    @Test
    public void test_destroyContainer() throws Exception {

        jobLog.setEndTime(System.currentTimeMillis());

        MonitorTarget target = new MonitorTarget(jobLog);
        try {
            target.expired();
            // Should not update when endTime is set - no exception expected
        } catch (Exception e) {
            // May fail due to missing client in test environment
            assertTrue(e.getMessage().contains("client"));
        }
    }

labels.userFavorite=Favorite Log
labels.userInfo=User Info
labels.webApiJson=JSON Response
labels.webConfigName=Web Crawl Config Name
labels.allLanguages=All Languages
labels.dictId=Dictionary ID
labels.docId=Document ID
labels.endTime=End Time
labels.hq=hq
labels.inputs=Inputs
labels.jobLogging=Logging
labels.jobName=Name
labels.jobStatus=Status
labels.labelTypeIds=Labels
labels.lang=Language
labels.outputs=Outputs

labels.threadName=執行緒名稱
labels.url=URL
labels.userFavorite=收藏日誌
labels.userInfo=使用者資訊
labels.webApiJson=JSON響應
labels.webConfigName=Web爬網配置名稱
labels.allLanguages=所有語言
labels.dictId=字典ID
labels.docId=文檔ID
labels.endTime=結束時間
labels.hq=hq
labels.inputs=輸入
labels.jobLogging=日誌記錄
labels.jobName=名稱
labels.jobStatus=狀態
labels.labelTypeIds=標籤
labels.lang=語言
labels.outputs=輸出
labels.pos=詞性
labels.purgeJobLogDay=刪除以前的作業日誌

labels.userInfo=Информация о пользователе
labels.webApiJson=Ответ JSON
labels.webConfigName=Имя конфигурации веб-сканирования
labels.allLanguages=Все языки
labels.dictId=ID словаря
labels.docId=ID документа
labels.endTime=Время окончания
labels.hq=hq
labels.inputs=Входы
labels.jobLogging=Ведение журнала
labels.jobName=Имя
labels.jobStatus=Статус
labels.labelTypeIds=Метки
labels.lang=Язык
labels.outputs=Выходы

labels.webApiJson=Réponse JSON
labels.webConfigName=Nom de la configuration d'exploration Web
labels.allLanguages=Toutes les langues
labels.dictId=ID du dictionnaire
labels.docId=ID du document
labels.endTime=Heure de fin
labels.hq=hq
labels.inputs=Entrées
labels.jobLogging=Journalisation
labels.jobName=Nom
labels.jobStatus=Statut
labels.labelTypeIds=Étiquettes
labels.lang=Langue
labels.outputs=Sorties

labels.userInfo=Informazioni utente
labels.webApiJson=Risposta JSON
labels.webConfigName=Nome configurazione scansione web
labels.allLanguages=Tutte le lingue
labels.dictId=ID dizionario
labels.docId=ID documento
labels.endTime=Ora di fine
labels.hq=hq
labels.inputs=Input
labels.jobLogging=Registrazione
labels.jobName=Nome
labels.jobStatus=Stato
labels.labelTypeIds=Etichette
labels.lang=Lingua
labels.outputs=Output

labels.threadName=线程名称
labels.url=URL
labels.userFavorite=收藏日志
labels.userInfo=用户信息
labels.webApiJson=JSON响应
labels.webConfigName=Web爬网配置名称
labels.allLanguages=所有语言
labels.dictId=字典ID
labels.docId=文档ID
labels.endTime=结束时间
labels.hq=hq
labels.inputs=输入
labels.jobLogging=日志记录
labels.jobName=名称
labels.jobStatus=状态
labels.labelTypeIds=标签
labels.lang=语言
labels.outputs=输出
labels.pos=词性
labels.purgeJobLogDay=删除以前的作业日志