* comment: Fields for API ping to search engine.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getApiPingSearchEngineFields();

    /**
     * Get the value for the key 'rate.limit.enabled'. <br>
     * The value is, e.g. false <br>
     * comment: Whether rate limiting is enabled.