code: public function getName()
      {
          static $names = [];
          $me = get_class($this);
          if (empty($names[$me])) {
              $names[$me] = $this->getReflector()->getShortName();
              $suffix = defined('static::PACK_SUFFIX') ? static::PACK_SUFFIX : 'Pack';
              if (strrpos($names[$me], $suffix) == (strlen($names[$me]) - strlen($suffix))) {
                  $names[$me] = substr($names[$me], 0, strlen($names[$me]) - strlen($suffix));
              }
          }
          return $names[$me];
      }
docs: Return the name of the pack. It's the short class name without the 'Pack' suffix.
  @see \Quazardous\Silex\Api\PackInterface::getName()
  @return string