code: public function manageFeeds($href, $label, $title, $class, $attributes)
  	{
  		return ($this->User->isAdmin || !empty($this->User->calendarfeeds) || !empty($this->User->calendarfeedp)) ? '<a href="'.$this->addToUrl($href).'" class="'.$class.'" title="'.Contao\StringUtil::specialchars($title).'"'.$attributes.'>'.$label.'</a> ' : '';
  	}
docs: Return the manage feeds button
  
  @param string $href
  @param string $label
  @param string $title
  @param string $class
  @param string $attributes
  
  @return string