}
    }

    /**
     * Helper function for animation delays, called with `await`.
     * @param {number} time - Timeout, in ms.
     */
    _wait(time) {
        return new Promise(resolve => setTimeout(resolve, time));
    }

    /**
     * Converts line data objects into line elements.
     *
     * @param {Object[]} lineData - Dynamically loaded lines.
     * @param {Object} line - Line data object.

            final long queryTimeout = fessConfig.getQueryTimeoutAsInteger().longValue();
            if (queryTimeout >= 0) {
                searchRequestBuilder.setTimeout(TimeValue.timeValueMillis(queryTimeout));
            }

            try {
                if (logger.isDebugEnabled()) {
                    logger.debug("Query DSL: {}", searchRequestBuilder);