/**
     * 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.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getQueryDismaxTieBreaker();

    /**
     * Get the value for the key 'query.dismax.tie_breaker' as {@link java.math.BigDecimal}. <br>