buf.append(",\"query_id\":");
            buf.append(escapeJson(queryId));
            buf.append(",\"exec_time\":");
            buf.append(execTime);
            buf.append(",\"query_time\":");
            buf.append(queryTime);
            buf.append(',');
            buf.append("\"page_size\":");
            buf.append(pageSize);
            buf.append(',');
            buf.append("\"page_number\":");

    @Test
    public void test_toString() {
        final SearchResult result = SearchResult.create().allRecordCount(100).queryTime(50).build();

        final String str = result.toString();
        assertNotNull(str);
        assertTrue(str.contains("allRecordCount=100"));
        assertTrue(str.contains("queryTime=50"));
    }

    /**
     * Test SearchResult with all fields populated.
     */
    @Test

         * Indicates if the search results are partial.
         */
        protected boolean partial;
        /**
         * The time taken for the search query in milliseconds.
         */
        protected long queryTime;
        /**
         * The search query string.
         */
        protected String searchQuery;
        /**
         * The time when the search request was made.
         */

        assertTrue(toStringResult.contains("searchQuery=test query"));
        assertTrue(toStringResult.contains("execTime=1000"));
        assertTrue(toStringResult.contains("queryTime=500"));
        assertTrue(toStringResult.contains("partialResults=false"));
    }

    @Test
    public void test_calculatePageInfo_extremeValues() {
        // Test with very large record count

            RenderDataUtil.register(data, "pageNumberList", pageNumberList);
            RenderDataUtil.register(data, "partialResults", partialResults);
            RenderDataUtil.register(data, "queryTime", queryTime);
            RenderDataUtil.register(data, "searchQuery", searchQuery);
            RenderDataUtil.register(data, "requestedTime", requestedTime);
        }
    }

        assertTrue(populatedString.contains("existPrevPage=true"));
        assertTrue(populatedString.contains("partialResults=false"));
        assertTrue(populatedString.contains("queryTime=500"));
        assertTrue(populatedString.contains("requestedTime=1000000"));
    }

    @Test
    public void test_complexScenario() {
        // Simulate a typical search result scenario

query.boost.fuzzy.content.prefix_length=0
# Whether to allow transpositions in fuzzy content queries.
query.boost.fuzzy.content.transpositions=true

# Default query type.
query.default.query_type=bool
# Tie breaker value for dismax queries.
query.dismax.tie_breaker=0.1
# Minimum should match value for boolean queries.
query.bool.minimum_should_match=

# Number of expansions for prefix queries.

    String QUERY_BOOST_FUZZY_CONTENT_TRANSPOSITIONS = "query.boost.fuzzy.content.transpositions";

    /** The key of the configuration. e.g. bool */
    String QUERY_DEFAULT_query_type = "query.default.query_type";

    /** The key of the configuration. e.g. 0.1 */
    String QUERY_DISMAX_tie_breaker = "query.dismax.tie_breaker";

    /** The key of the configuration. e.g.  */