assertTrue(docMap.containsValue("value1"));
        assertFalse(docMap.containsKey("nonexistent"));
        assertFalse(docMap.containsValue("nonexistent"));
    }

    public void test_put_and_get() {
        Map<String, Object> parentMap = new HashMap<>();
        DocMap docMap = new DocMap(parentMap);

        assertNull(docMap.put("newKey", "newValue"));
        assertEquals("newValue", docMap.get("newKey"));

        DataStoreParams params = new DataStoreParams();
        assertNotNull(params);
        assertNotNull(params.params);
    }

    // Test put and get operations
    public void test_putAndGet() {
        dataStoreParams.put("key1", "value1");
        assertEquals("value1", dataStoreParams.get("key1"));

        dataStoreParams.put("key2", 123);
        assertEquals(123, dataStoreParams.get("key2"));