@ValidateTypeFailure
    public Integer offset;

    @ValidateTypeFailure
    public Integer pn;

    @Size(max = 1000)
    public String sdh;

    @Size(max = 100)
    public String track_total_hits;

    // advance

    @Override
    public int getStartPosition() {
        if (start == null) {
            start = ComponentUtil.getFessConfig().getPagingSearchPageStartAsInteger();
        }

    public static final String FESS_VAR_PATH = "fess.var.path";

    public static final String FESS_LOG_LEVEL = "fess.log.level";

    public static final String TRACK_TOTAL_HITS = "track_total_hits";

    public static final String SYSTEM_PROP_PREFIX = "fess.system.";

    public static final String FESS_CONFIG_PREFIX = "fess.config.";

            this.request = request;
            this.fessConfig = fessConfig;
        }

        @Override
        public String getTrackTotalHits() {
            return request.getParameter(Constants.TRACK_TOTAL_HITS);
        }

        @Override
        public String getQuery() {
            return request.getParameter("q");
        }

        @Override
        public String[] getExtraQueries() {

        public SearchConditionBuilder scroll() {
            isScroll = true;
            return this;
        }

        public SearchConditionBuilder trackTotalHits(final String trackTotalHits) {
            this.trackTotalHits = trackTotalHits;
            return this;
        }

        public SearchConditionBuilder minScore(final Float minScore) {
            this.minScore = minScore;

                    .highlightInfo(params.getHighlightInfo()).similarDocHash(params.getSimilarDocHash())
                    .responseFields(params.getResponseFields()).searchRequestType(params.getType())
                    .trackTotalHits(params.getTrackTotalHits()).minScore(params.getMinScore()).build();
        };
    }

    protected Map<String, Object> parseSearchHit(final FessConfig fessConfig, final String hlPrefix, final SearchHit searchHit) {