}

    /**
     * Adds the specified element to this set if it is not already present.
     *
     * @param o
     *            element to be added to this set.
     * @return true if the set did not already contain the specified
     *         element.
     */
    @Override
    public boolean add(final E o) {
        return map.put(o, PRESENT) == null;
    }

    /**

labels.search_result_status_over=<b>{0}</b> の検索結果<span class="br-phone"></span> 約 <b>{1}</b> 件以上 <b>{2}</b> - <b>{3}</b> 件目
labels.search_result_time=({0} 秒)
labels.prev_page=前へ
labels.next_page=次へ
labels.did_not_match=<b>{0}</b> に一致する情報は見つかりませんでした。
labels.search_title=Fess
labels.search_popular_word_word=人気ワード:
labels.search_related_queries=関連ワード:
labels.search_result_select_sort=-  ソート  -

    /** The key of the message: {item} may not be empty. */
    public static final String CONSTRAINTS_NotEmpty_MESSAGE = "{constraints.NotEmpty.message}";

    /** The key of the message: script expression "{script}" didn't evaluate to true. */
    public static final String CONSTRAINTS_ParametersScriptAssert_MESSAGE = "{constraints.ParametersScriptAssert.message}";

    /** The key of the message: {item} must be between {min} and {max}. */

labels.search_result_status=Suchergebnisse <b>{2}</b><span class="hidden-phone"> -</span> <b>{3}</b> von <b>{1}</b> für <b>{0}</b>
labels.search_result_time=({0} s)
labels.prev_page=Zurück
labels.next_page=Weiter
labels.did_not_match=Die Suche - <b>{0}</b> - lieferte keine Dokumente.
labels.search_title=Fess
labels.search_popular_word_word=Beliebte Suchbegriffe:
labels.search_related_queries=Verwandte Suchbegriffe:

labels.search_result_status_over=Results <b>{2}</b><span class="hidden-phone"> -</span> <b>{3}</b> sur <b>{1}</b> pour <b>{0}</b>
labels.search_result_time	=	({0} s)
labels.prev_page	=	Précédent
labels.next_page	=	Suivant
labels.did_not_match	=	Votre recherche - <b>{0}</b> - ne correspond à aucun document.
labels.search_title	=	Fess
labels.search_popular_word_word	=	Mots populaires :
labels.search_related_queries	=	Mots associés :

labels.search=Поиск
labels.search_result_status=Results <b>{2}</b><span class="hidden-phone"> -</span> <b>{3}</b> of <b>{1}</b> for <b>{0}</b>
labels.search_result_time=({0} sec)
labels.prev_page=Назад
labels.next_page=Вперед
labels.did_not_match=По запросу - <b>{0}</b> - совпадений не найдено.
labels.search_title=Fess
labels.search_popular_word_word=Популярные слова:
labels.search_result_select_sort=-- Сортировка --

    public static final String LABELS_next_page = "{labels.next_page}";

    /** The key of the message: Your search - <b>{0}</b> - did not match any documents. */
    public static final String LABELS_did_not_match = "{labels.did_not_match}";

    /** The key of the message: Fess */
    public static final String LABELS_search_title = "{labels.search_title}";

labels.search_result_status_over=Results <b>{2}</b><span class="hidden-phone"> -</span> <b>{3}</b> of about <b>{1}</b> for <b>{0}</b>
labels.search_result_time=({0} sec)
labels.prev_page=Prev
labels.next_page=Next
labels.did_not_match=Your search - <b>{0}</b> - did not match any documents.
labels.search_title=Fess
labels.search_popular_word_word=Popular Words:
labels.search_related_queries=Related Words:
labels.search_result_select_sort=-- Sort --

labels.search_result_status_over=Results <b>{2}</b><span class="hidden-phone"> -</span> <b>{3}</b> of about <b>{1}</b> for <b>{0}</b>
labels.search_result_time=({0} sec)
labels.prev_page=Prev
labels.next_page=Next
labels.did_not_match=Your search - <b>{0}</b> - did not match any documents.
labels.search_title=Fess
labels.search_popular_word_word=Popular Words:
labels.search_related_queries=Related Words:
labels.search_result_select_sort=-- Sort --

labels.search = 검색
labels.search_result_status = <b>{0}</b>결과 <span class="br-phone"></span><b>{1}</b>건 중 <b>{2}</b>-<b>{3}</b>건 표시
labels.search_result_time = ({0} 초)
labels.prev_page = 이전
labels.next_page = 다음
labels.did_not_match = <b> {0} </b>에 일치하는 정보를 찾지 못했습니다.
labels.search_title = Fess
labels.search_popular_word_word = 인기 검색어:
labels.search_result_select_sort =-- 정렬 --
labels.search_result_select_num =-- 표시 건수 --