/**
  * @method TwitterBootstrap lead()
  * @method TwitterBootstrap textLeft()
  * @method TwitterBootstrap textCenter()
  * @method TwitterBootstrap textRight()
  * @method TwitterBootstrap textMuted()
  * @method TwitterBootstrap textPrimary()
  * @method TwitterBootstrap textSuccess()
  * @method TwitterBootstrap textInfo()
  * @method TwitterBootstrap textWarning()
  * @method TwitterBootstrap textDanger()
  *
  * @param string $name
  * @param array $args
  * @return Tag
  */
 public function __call($name, $args)
 {
     $pattern = array('lead' => 'lead', 'textLeft' => 'text-left', 'textCenter' => 'text-center', 'textRight' => 'text-right', 'textMuted' => 'text-muted', 'textPrimary' => 'text-primary', 'textSuccess' => 'text-success', 'textInfo' => 'text-info', 'textWarning' => 'text-warning', 'textDanger' => 'text-danger');
     if (array_key_exists($name, $pattern)) {
         return $this->addClass($pattern[$name]);
     }
     return parent::__call($name, $args);
 }