* Gets the maximum size for alphanumeric terms from configuration.
     *
     * @return the maximum alphanumeric term size
     */
    protected int getMaxAlphanumTermSize() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return fessConfig.getCrawlerDocumentMaxAlphanumTermSizeAsInteger();
    }

    /**
     * Gets the maximum size for symbol terms from configuration.
     *

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    @Min(-1)
    @Max(10000)
    @ValidateTypeFailure
    public Integer failureCountThreshold;

    /**
     * Enable or disable popular word tracking and display.
     * When enabled, frequently searched terms are tracked and displayed.
     */
    @Size(max = 10)
    public String popularWord;

    /**
     * Character encoding to use for CSV file exports.

labels.boost_document_rule_list=Boost Document Rule List
labels.bad_word_list=Bad Word List
labels.backup_list=Backup List
labels.access_token_list=Access Token List
labels.suggest_search_log_enabled=Suggest from Search Terms
labels.suggest_documents_enabled=Suggest from Documents
labels.purge_suggest_search_log_day=Delete old suggest info
labels.crawling_info_title=Crawling Info
labels.crawling_info_title_confirm=Crawling Info

labels.bad_word_list=Liste des mots interdits
labels.backup_list=Liste des sauvegardes
labels.access_token_list=Liste des jetons d'accès
labels.suggest_search_log_enabled=Suggérer à partir des termes de recherche
labels.suggest_documents_enabled=Suggérer à partir des documents
labels.purge_suggest_search_log_day=Supprimer les anciennes informations de suggestion
labels.crawling_info_title=Informations sur l'exploration

     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getCrawlerDocumentDuplicateTermRemoved();

    /**
     * Is the property for the key 'crawler.document.duplicate.term.removed' true? <br>
     * The value is, e.g. false <br>
     * comment: Whether to remove duplicate terms in documents.