gistfile1.txt

<?php

/**
 * @file
 * Definition of Drupal\comment\CommentForm.
 */

namespace Drupal\comment_timer;

use Drupal\comment;
use Drupal\Component\Utility\String;
use Drupal\Component\Utility\Unicode;
use Drupal\Core\Datetime\DrupalDateTime;
use Drupal\Core\Entity\ContentEntityForm;
use Drupal\Core\Entity\EntityManagerInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Language\Language;
use Drupal\Core\Language\LanguageInterface;
use Drupal\Core\Session\AccountInterface;
use Drupal\language\Entity\ContentLanguageSettings;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Base for controller for comment forms.
 */
class CommentTimerForm extends CommentForm {

  public function form(array $form, FormStateInterface $form_state) {

    $form['test'] = array(
      '#type' => 'textfield',
      '#title' => t('HELLO WORLD!!!')
    );
    return $form;
    // return parent::form($form, $form_state);
  }


}