/**
* {@inheritdoc}
*/
public function form(array $form, FormStateInterface $form_state)
{
$form['label'] = ['#type' => 'textfield', '#title' => $this->t('Label'), '#description' => $this->t('The label for this page.'), '#default_value' => $this->entity->label(), '#required' => TRUE, '#maxlength' => '255'];
$form['id'] = ['#type' => 'machine_name', '#default_value' => $this->entity->id(), '#disabled' => !$this->entity->isNew(), '#maxlength' => 64, '#required' => TRUE, '#machine_name' => ['exists' => [$this, 'exists']]];
$form['path'] = ['#type' => 'textfield', '#title' => $this->t('Path'), '#maxlength' => 255, '#default_value' => $this->entity->getPath(), '#required' => TRUE, '#element_validate' => [[$this, 'validatePath']]];
return parent::form($form, $form_state);
}