code: public function generateNews($index, $version, $language, $deleted = false)
      {
          $title = $this->generateContentAttribute('title', 'New number' . $index . 'in language ' . $language);
          $intro = $this->generateContentAttribute('intro', 'This is the introduction for the news number ' . $index .'.');
          $text = $this->generateContentAttribute('text', 'Donec bibendum at nibh eget imperdiet. Mauris eget justo augue. Fusce fermentum iaculis erat, sollicitudin elementum enim sodales eu. Donec a ante tortor. Suspendisse a.', 'wysiwyg');
          $news = $this->generateContent('news', 'news-' . $index, 'News ' . $index, $language, $version, $deleted);
  
          return $this->addNewsAttributes($news, $title, $intro, $text);
      }
docs: @param string  $index
  @param int     $version
  @param string  $language
  @param boolean $deleted
  
  @return ContentInterface