}

        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++) {

        assertEquals(name, param.getName());
        assertNotNull(param.getValues());
        assertEquals(1000, param.getValues().length);
        assertEquals("value0", param.getValues()[0]);
        assertEquals("value999", param.getValues()[999]);
    }

    @Test
    public void test_veryLongStrings() {
        // Test with very long strings

        assertTrue(dataStoreParams.containsKey("key4"));

        // Create a copy
        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