Key key1 = new Key(1);
      String value1 = key1.toString();
      Key key2 = new Key(2);
      String value2 = key2.toString();
      assertThat(cache.getUnchecked(key1)).isSameInstanceAs(value1);
      assertThat(cache.getUnchecked(key2)).isSameInstanceAs(value2);
      assertThat(cache.asMap().keySet()).isEqualTo(ImmutableSet.of(key1, key2));
      assertThat(cache.asMap().values()).containsExactly(value1, value2);

      Key key1 = new Key(1);
      String value1 = key1.toString();
      Key key2 = new Key(2);
      String value2 = key2.toString();
      assertThat(cache.getUnchecked(key1)).isSameInstanceAs(value1);
      assertThat(cache.getUnchecked(key2)).isSameInstanceAs(value2);
      assertThat(cache.asMap().keySet()).isEqualTo(ImmutableSet.of(key1, key2));
      assertThat(cache.asMap().values()).containsExactly(value1, value2);

        assertTrue(dataStoreParams.containsKey("key1"));

        dataStoreParams.put("key2", null);
        assertTrue(dataStoreParams.containsKey("key2"));
    }

    // Test putAll
    @Test
    public void test_putAll() {
        Map<String, String> map = new HashMap<>();
        map.put("key1", "value1");
        map.put("key2", "value2");
        map.put("key3", "value3");

        dataStoreParams.putAll(map);

        sourceMap.put("key1", "value1");
        sourceMap.put("key2", 123);
        sourceMap.put("key3", true);
        event.setSourceMap(sourceMap);

        Map<String, Object> result = event.toSource();
        assertNotNull(result);
        assertEquals(3, result.size());
        assertEquals("value1", result.get("key1"));
        assertEquals(123, result.get("key2"));
        assertEquals(true, result.get("key3"));

        assertEquals("query1", facetQueryView.getQueryMap().get("key1"));

        facetQueryView.addQuery("key2", "query2");
        assertEquals(2, facetQueryView.getQueryMap().size());
        assertEquals("query2", facetQueryView.getQueryMap().get("key2"));

        // Test overwriting existing key
        facetQueryView.addQuery("key1", "query1_updated");

        // Test with whitespace around keys and values
        value = "  key1  =  value1  \n  key2=value2\n";
        paramMap = ParameterUtil.parse(value);
        assertEquals(2, paramMap.size());
        assertEquals("value1", paramMap.get("key1"));
        assertEquals("value2", paramMap.get("key2"));

        // Test with empty lines and mixed whitespace
        value = "key1=value1\n\n\t\nkey2=value2\n \n";

    async def get_model_a(name: str, model_c=Depends(get_model_c)):
        return {
            "name": name,
            "description": "model-a-desc",
            "foo": model_c,
            "tags": {"key1": "value1", "key2": "value2"},
        }

    client = TestClient(app)
    return client


def test_filter_sub_model(client: TestClient):
    response = client.get("/model/modelA")

        props.save(System.err);
        System.err.println("=====");

        props.put("key2", props.get("key2"));
        props.put("key3", "foo");
        props.save(System.err);
        System.err.println("=====");
    }

    @Test
    public void testJavaUtilPropertiesCompatibility() throws Exception {
        MavenProperties properties = new MavenProperties();

        String key = virtualHostHelper.getVirtualHostKey();
        assertEquals("site1", key);

        request.addHeader("Host", "EXAMPLE.COM");
        String key2 = virtualHostHelper.getVirtualHostKey();
        assertEquals("site1", key2); // Cached value
    }

        DataConfig config = new DataConfig();
        config.setName("test-config");

        DataStoreParams params = new DataStoreParams();
        params.put("key1", "value1");
        params.put("key2", "value2");

        IndexUpdateCallback callback = new TestIndexUpdateCallback();

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

        // Verify store was called