This is a non-production site
- class \Drupal\plugin_type_example\Plugin\Sandwich\ExampleHamSandwich extends \Drupal\plugin_type_example\SandwichBase
- class \Drupal\plugin_type_example\Plugin\Sandwich\ExampleMeatballSandwich extends \Drupal\plugin_type_example\SandwichBase implements \Drupal\Core\Plugin\ContainerFactoryPluginInterface uses \Drupal\Core\StringTranslation\StringTranslationTrait
- class \Drupal\plugin_type_example\SandwichBase extends \Drupal\Component\Plugin\PluginBase implements \Drupal\plugin_type_example\SandwichInterface
