}

        Map<String, String> result = ParameterUtil.parse(largeInput.toString());
        assertEquals(1000, result.size());
        assertEquals("value500", result.get("key500"));

        // Test createConfigParameterMap with large input
        StringBuilder configInput = new StringBuilder();
        for (int i = 0; i < 100; i++) {

        DataStoreParams copy = dataStoreParams.newInstance();

        // Modify original
        dataStoreParams.put("key5", "value5");

        // Verify copy is independent
        assertTrue(dataStoreParams.containsKey("key5"));
        assertFalse(copy.containsKey("key5"));

        // Get as map and verify
        Map<String, Object> map = dataStoreParams.asMap();
        assertEquals(5, map.size());

    }

    @Test
    public void test_long() {
        Map<String, Object> doc = new HashMap<>();

        long expected5 = 999999999999999999L;
        doc.put("key5", expected5);
        assertEquals(expected5, DocumentUtil.getValue(doc, "key5", Long.class).longValue());
    }

    @Test
    public void test_double() {
        Map<String, Object> doc = new HashMap<>();

        double expected6 = 999.999;