This is a non-production site
- class \Drupal\form_api_example\Form\DemoBase extends \Drupal\Core\Form\FormBase
- class \Drupal\form_api_example\Form\AjaxAddMore extends \Drupal\form_api_example\Form\DemoBase
- class \Drupal\form_api_example\Form\AjaxColorForm extends \Drupal\form_api_example\Form\DemoBase
- class \Drupal\form_api_example\Form\ContainerDemo extends \Drupal\form_api_example\Form\DemoBase
- class \Drupal\form_api_example\Form\StateDemo extends \Drupal\form_api_example\Form\DemoBase
- class \Drupal\form_api_example\Form\VerticalTabsDemo extends \Drupal\form_api_example\Form\DemoBase