Overrides Symfony\Component\HttpKernel\Bundle\Bundle::build().
Overrides Bundle::build
public function build(ContainerBuilder $container) {
$container
->register('access_check.user.register', 'Drupal\\user\\Access\\RegisterAccessCheck')
->addTag('access_check');
$container
->register('user.data', 'Drupal\\user\\UserData')
->addArgument(new Reference('database'));
}