* @param field the field name
     * @param texts the query texts
     * @return the query builder
     */
    protected QueryBuilder convertPhraseQuery(final FessConfig fessConfig, final QueryContext context, final PhraseQuery phraseQuery,
            final float boost, final String field, final String[] texts) {
        final String text = String.join(" ", texts);

        if (Constants.DEFAULT_FIELD.equals(field)) {

        if (fragments != null && fragments.length != 0) {
            final String[] texts = new String[fragments.length];
            for (int i = 0; i < fragments.length; i++) {
                texts[i] = fragments[i].string();
            }
            final String value = StringUtils.join(texts, ELLIPSIS);
            if (StringUtil.isNotBlank(value) && !ComponentUtil.getFessConfig().endsWithFullstop(value)) {

    //                                                                           Attribute
    //                                                                           =========
    // keeping parsed request parameters, normal texts or uploaded files
    // keys are requested parameter names (treated as field name here)
    protected Map<String, Object> elementsAll; // lazy-loaded, then after not null

   * @since 8.0
   */
  public static final byte ETX = 3;

  /**
   * End of Transmission: A communication control character used to indicate the conclusion of a
   * transmission, which may have contained one or more texts and any associated headings.
   *
   * @since 8.0
   */
  public static final byte EOT = 4;

  /**
   * Enquiry: A communication control character used in data communication systems as a request for