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

    /**
     * Get the value for the key 'query.highlight.force.source'. <br>
     * The value is, e.g. false <br>
     * comment: Whether to force source for query highlighting.