*/
    protected DefaultQueryBuilder createDefaultQueryBuilder() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        if ("dismax".equals(fessConfig.getQueryDefaultQueryType())) {
            final DisMaxQueryBuilder disMaxQuery = QueryBuilders.disMaxQuery();
            disMaxQuery.tieBreaker(fessConfig.getQueryDismaxTieBreakerAsDecimal().floatValue());

            @Override
            public BigDecimal getQueryDismaxTieBreakerAsDecimal() {
                return new BigDecimal("0.1");
            }

            @Override
            public String getQueryDefaultQueryType() {
                return "bool";
            }

            @Override
            public String getQueryBoostTitleLang() {
                return "1.0";
            }

            @Override

            }

            @Override
            public Integer getAsInteger(String propertyKey) {
                return DfTypeUtil.toInteger(get(propertyKey));
            }

            public String getQueryDefaultQueryType() {
                return "bool";
            }

            @Override
            public Integer getQueryPrefixExpansionsAsInteger() {
                return 50;
            }

            private static final long serialVersionUID = 1L;

            private final FessConfig baseConfig = createBaseFessConfig();

            @Override
            public String getQueryDefaultQueryType() {
                return queryType;
            }

            // Delegate all other methods to base config
            @Override
            public String get(String key) {

            public Integer getAsInteger(String propertyKey) {
                return DfTypeUtil.toInteger(get(propertyKey));
            }

            @Override
            public String getQueryDefaultQueryType() {
                return queryType;
            }
        });
    }

    public void test_build_simple() {
        setQueryType("bool");

        float titleBoost = 0.5f;

     * The value is, e.g. bool <br>
     * comment: Default query type.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getQueryDefaultQueryType();

    /**
     * Get the value for the key 'query.dismax.tie_breaker'. <br>
     * The value is, e.g. 0.1 <br>
     * comment: Tie breaker value for dismax queries.