StackFormation\Profile\Manager::getStackFactory PHP Метод

    public function getStackFactory($profile = null)
    {
        $cachKey = $profile ? $profile : '__empty__';
        if (!isset($this->stackFactories[$cachKey])) {
            $this->stackFactories[$cachKey] = new StackFactory($this->getCfnClient($profile));
        }
        return $this->stackFactories[$cachKey];
    }

 protected function getStackFactory()
 {
     if (is_null($this->stackFactory)) {
         $this->stackFactory = $this->profileManager->getStackFactory(null);
     }
     return $this->stackFactory;
 }