assertNull(map.getInstance(Integer.class));

    assertNull(map.putInstance(int.class, 0));
    assertNull(map.putInstance(Integer.class, 1));
    assertEquals(2, map.size());

    assertEquals(0, (int) map.getInstance(int.class));
    assertEquals(1, (int) map.getInstance(Integer.class));

    assertEquals(0, (int) map.putInstance(int.class, null));

    }

    public static <T> T getInstance(ModelView<?> untypedView, ModelReference<T> reference) {
        return assertType(untypedView, reference.getType()).getInstance();
    }

    public static <T> T getInstance(ModelView<?> untypedView, ModelType<T> type) {
        return assertType(untypedView, type).getInstance();
    }

    public static <T> T getInstance(ModelView<?> untypedView, Class<T> type) {

        assertNotNull(TimeoutManager.getInstance().thread);
        Thread.sleep(2000);
        assertEquals(count, expiredCount);
        assertEquals(1, TimeoutManager.getInstance().getTimeoutTaskCount());
        task.cancel();
        Thread.sleep(2000);
        assertEquals(0, TimeoutManager.getInstance().getTimeoutTaskCount());
        assertNull(TimeoutManager.getInstance().thread);
    }

            .put(int.class, 1)
            .build();
    assertEquals(2, map.size());

    assertEquals(0, (int) map.getInstance(Integer.class));
    assertEquals(0, (int) map.getInstance(TypeToken.of(Integer.class)));
    assertEquals(1, (int) map.getInstance(int.class));
    assertEquals(1, (int) map.getInstance(TypeToken.of(int.class)));
  }

  public void testParameterizedType() {

        SingletonContainer.Bean1 b1a = injector.getInstance(SingletonContainer.Bean1.class);
        assertNotNull(b1a);
        SingletonContainer.Bean1 b1b = injector.getInstance(SingletonContainer.Bean1.class);
        assertNotNull(b1b);
        assertEquals(b1a.num, b1b.num);

        SingletonContainer.Bean2 b2a = injector.getInstance(SingletonContainer.Bean2.class);
        assertNotNull(b2a);

        VisualStudioVersionLocator commandLineLocator = new CommandLineToolVersionLocator(TestFiles.execActionFactory(), visualCppMetadataProvider, getVswhereLocator());
        VisualStudioVersionLocator windowsRegistryLocator = new WindowsRegistryVersionLocator(NativeServicesTestFixture.getInstance().get(WindowsRegistry.class));

            .put(int.class, 1)
            .build();
    assertEquals(2, map.size());

    assertEquals(0, (int) map.getInstance(Integer.class));
    assertEquals(0, (int) map.getInstance(TypeToken.of(Integer.class)));
    assertEquals(1, (int) map.getInstance(int.class));
    assertEquals(1, (int) map.getInstance(TypeToken.of(int.class)));
  }

  public void testParameterizedType() {

//    db.Unscoped().Find(&users)
//    // Retrieves all users, including deleted ones.
func (db *DB) Unscoped() (tx *DB) {
	tx = db.getInstance()
	tx.Statement.Unscoped = true
	return
}

func (db *DB) Raw(sql string, values ...interface{}) (tx *DB) {
	tx = db.getInstance()
	tx.Statement.SQL = strings.Builder{}

	if strings.Contains(sql, "@") {
		clause.NamedExpr{SQL: sql, Vars: values}.Build(tx.Statement)

                final KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
                keyStore.load(null, null);
                keyStore.setCertificateEntry("server", certificate);

                final TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());

        URL fileUrl = ClassLoader.getSystemResource(path);
        KeyStore original = KeyStore.getInstance("JKS");
        original.load(fileUrl.openStream(), password.toCharArray());

        KeyStore target = KeyStore.getInstance(type);
        target.load(null, null);
        for (alias in original.aliases()) {
            if (original.isKeyEntry(alias)) {