}

    public void test_setAndGetAppendHighlightParams() {
        // Test with null
        searchRenderData.setAppendHighlightParams(null);
        assertNull(searchRenderData.getAppendHighlightParams());

        // Test with empty string
        searchRenderData.setAppendHighlightParams("");
        assertEquals("", searchRenderData.getAppendHighlightParams());

        // Test with parameter string

    }

    /**
     * Sets additional highlight parameters to append to URLs.
     *
     * @param appendHighlightParams The highlight parameters string
     */
    public void setAppendHighlightParams(final String appendHighlightParams) {
        this.appendHighlightParams = appendHighlightParams;
    }

    /**
     * Sets the formatted execution time for the search request.
     *

            final StringBuilder buf = new StringBuilder(100);
            highlightQueries.stream().forEach(q -> {
                buf.append("&hq=").append(LaFunctions.u(q));
            });
            data.setAppendHighlightParams(buf.toString());
        }

        queryResponseList.setExecTime(systemHelper.getCurrentTimeAsLong() - startTime);
        final NumberFormat nf = NumberFormat.getInstance(params.getLocale());