The path alias manager. Type:

Provides the path add form. Hierarchy class \Drupal\Core\Form\

public DeleteForm::getFormId() Returns

public static DeleteForm::create(ContainerInterface $container)

public static PathFormBase::create(ContainerInterface $container)

The path validator. Type:

abstract protected PathFormBase::buildPath($pid)

protected EditForm::buildPath($pid) Builds

public DeleteForm::buildForm(array $form, FormStateInterface $form_state