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")

        data.addMetaData("key1", "value1");
        data.addMetaData("key2", 123);
        data.addMetaData("key3", true);

        Map<String, Object> metaDataMap = data.getMetaDataMap();
        assertNotNull(metaDataMap);
        assertEquals(3, metaDataMap.size());

        assertEquals("value1", metaDataMap.get("key1"));
        assertEquals(123, metaDataMap.get("key2"));

        data.putValue("key", "value1");
        assertEquals("value1", data.getValues("key")[0]);

        // Second operation (overwrite)
        data.putValue("key", "value2");
        assertEquals("value2", data.getValues("key")[0]);
        assertEquals(1, data.getValues("key").length);

        // Third operation with array (overwrite)
        data.putValues("key", new String[] { "value3", "value4", "value5" });

        responseData.addMetaData("key1", "value1");
        responseData.addMetaData("key2", 123);

        // Execute - should not throw any exception
        processor.process(responseData);

        // Verify metadata is unchanged
        assertEquals(2, responseData.getMetaDataMap().size());
        assertEquals("value1", responseData.getMetaDataMap().get("key1"));

    }

    @Test
    void testPropertiesClear() {
        // Test for issue #11552: NullPointerException when clearing properties
        Model model = new Model();
        model.addProperty("key1", "value1");
        model.addProperty("key2", "value2");
        assertEquals(2, model.getProperties().size());

        // This should not throw NullPointerException
        model.getProperties().clear();

    }

    @Test
    public void testDifferentKeys() {
        final CachedCipher cipher1 = new CachedCipher();
        cipher1.setKey("key1");

        final CachedCipher cipher2 = new CachedCipher();
        cipher2.setKey("key2");

        final String original = "Hello World";
        final String encrypted1 = cipher1.encryptText(original);

		{"3 somelongkey=\n", nil, false},
		{"50 tooshort=\n", nil, false},
		{"13 key1=haha\n13 key2=nana\n13 key3=kaka\n",
			map[string]string{"key1": "haha", "key2": "nana", "key3": "kaka"}, true},
		{"13 key1=val1\n13 key2=val2\n8 key1=\n",
			map[string]string{"key1": "", "key2": "val2"}, true},
		{"22 GNU.sparse.size=10\n26 GNU.sparse.numblocks=2\n" +

    String key1 = "key1";
    String key2 = "key2";

    assertThat(
            cache.get(
                key1,
                new CacheLoader<String, String>() {
                  @Override
                  public String load(String key) throws Exception {
                    return cache.get(key2, identityLoader()); // loads a different key, should work
                  }

    String key1 = "key1";
    String key2 = "key2";

    assertThat(
            cache.get(
                key1,
                new CacheLoader<String, String>() {
                  @Override
                  public String load(String key) throws Exception {
                    return cache.get(key2, identityLoader()); // loads a different key, should work
                  }

        CurlRequest result = request.param("key1", "value1").param("key2", "value2");

        assertSame(request, result); // Fluent API
    }

    @Test
    public void testParamWithNullValue() {
        CurlRequest request = new CurlRequest(Method.GET, "https://example.com");

        CurlRequest result = request.param("key", null);