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

    /**
     * Get the value for the key 'query.gsa.index.field.charset'. <br>
     * The value is, e.g. charset <br>
     * comment: Charset field for GSA index queries.