assertEquals(0L, callback.getDocumentSize());
        assertEquals(0L, callback.getExecuteTime());

        // Test store method
        DataStoreParams params = new DataStoreParams();
        Map<String, Object> data = new HashMap<>();
        data.put("key1", "value1");
        callback.store(params, data);

        assertEquals(1L, callback.getDocumentSize());
        assertEquals(100L, callback.getExecuteTime());

            @Override
            public void store(DataStoreParams paramMap, Map<String, Object> dataMap) {
            }

            @Override
            public long getDocumentSize() {
                return 0;
            }

            @Override
            public long getExecuteTime() {
                return 0;
            }

            @Override

        // Execute store
        dataStore.store(config, callback, params);

        // Verify callback was used correctly
        assertEquals(2, callback.getDocumentSize());
        assertTrue(callback.isCommitted());
    }

    @Test
    public void test_multiple_datastore_instances() {
        // Test multiple DataStore instances working independently

        @Override
        public long getExecuteTime() {
            return 100L;
        }

        @Override
        public long getDocumentSize() {
            return 10L;
        }

        @Override
        public void commit() {
            /* No-op */ }

        @Override

        assertEquals(0, indexUpdateCallback.getDocumentSize());

        DataStoreParams paramMap = new DataStoreParams();
        Map<String, Object> dataMap = new HashMap<>();
        dataMap.put("url", "http://example.com/test");

        indexUpdateCallback.store(paramMap, dataMap);
        assertEquals(1, indexUpdateCallback.getDocumentSize());

        dataMap.put("url", "http://example.com/test2");

        // Test executeTime
        assertEquals(0L, indexUpdater.getExecuteTime());

        // Test documentSize
        assertEquals(0L, indexUpdater.getDocumentSize());
    }

    // Test setUncaughtExceptionHandler
    @Test
    public void test_setUncaughtExceptionHandler() {
        final AtomicBoolean handlerCalled = new AtomicBoolean(false);