if (StringUtil.isBlank(input)) {
            return input;
        }
        return ComponentUtil.getDocumentHelper().encodeSimilarDocHash(input);
    }

    /**
     * Joins array or list elements into a single space-separated string.
     *
     * @param input the input object (String[], List, or String)
     * @return joined string with elements separated by spaces, or empty string if invalid input

labels.advance=Recherche avancée
labels.advance_search_title=Recherche avancée
labels.advance_search_must_queries=avec tous les mots
labels.advance_search_phrase_query=avec la phrase exacte
labels.advance_search_should_queries=avec au moins un des mots
labels.advance_search_not_queries=sans les mots
labels.advance_search_filetype=Type de fichier
labels.advance_search_filetype_default=Tout format
labels.advance_search_filetype_html=HTML