BaseFormIdInterface

class \Drupal\Core\Entity\BundleEntityFormBase implements \Drupal\Core\Entity\EntityForm
class \Drupal\Core\Entity\ContentEntityConfirmFormBase extends \Drupal\Core\Form\ConfirmFormInterface implements \Drupal\Core\Entity\ContentEntityForm
class \Drupal\Core\Entity\ContentEntityDeleteForm uses \Drupal\Core\Entity\EntityDeleteFormTrait implements \Drupal\Core\Entity\ContentEntityConfirmFormBase
class \Drupal\Core\Entity\ContentEntityForm extends \Drupal\Core\Entity\ContentEntityFormInterface implements \Drupal\Core\Entity\EntityForm
class \Drupal\Core\Entity\EntityConfirmFormBase extends \Drupal\Core\Form\ConfirmFormInterface implements \Drupal\Core\Entity\EntityForm
class \Drupal\Core\Entity\EntityDeleteForm uses \Drupal\Core\Entity\EntityDeleteFormTrait implements \Drupal\Core\Entity\EntityConfirmFormBase
class \Drupal\Core\Entity\EntityForm extends \Drupal\Core\Entity\EntityFormInterface implements \Drupal\Core\Form\FormBase
class \Drupal\Core\Entity\Form\DeleteMultipleForm extends \Drupal\Core\Form\BaseFormIdInterface implements \Drupal\Core\Form\ConfirmFormBase

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