* The value is, e.g. false <br>
     * comment: Whether to enable JSONP for API.
     * @return The determination, true or false. (if not found, exception but basically no way)
     */
    boolean isApiJsonpEnabled();

    /**
     * Get the value for the key 'api.ping.search_engine.fields'. <br>
     * The value is, e.g. status,timed_out <br>
     * comment: Fields for API ping to search engine.