* The value is, e.g. _query <br>
     * comment: Default preference for GSA queries.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getQueryGsaDefaultPreference();

    /**
     * Get the value for the key 'query.language.mapping'. <br>
     * The value is, e.g. ar=ar<br>
     * bg=bg<br>
     * bn=bn<br>
     * ca=ca<br>