All classes that implement ViewsAddButtonInterface in Views Add Button 8
- class \Drupal\views_add_button\Plugin\views_add_button\ViewsAddButtonDefault implements ViewsAddButtonInterface
- class \Drupal\views_add_button\Plugin\views_add_button\ViewsAddButtonNode implements ViewsAddButtonInterface
- class \Drupal\views_add_button\Plugin\views_add_button\ViewsAddButtonTaxonomy implements ViewsAddButtonInterface
- class \Drupal\views_add_button\Plugin\views_add_button\ViewsAddButtonUser implements ViewsAddButtonInterface