}

    /**
     * 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.
     *

    }

    @Test
    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