Overrides Symfony\Component\HttpKernel\Bundle\Bundle::build().
Overrides Bundle::build
public function build(ContainerBuilder $container) {
// Register the plugin managers for our plugin types with the dependency injection container.
$container
->register('plugin.manager.field.widget', 'Drupal\\field\\Plugin\\Type\\Widget\\WidgetPluginManager');
$container
->register('plugin.manager.field.formatter', 'Drupal\\field\\Plugin\\Type\\Formatter\\FormatterPluginManager');
}