public function getProcessedTemplate()
 {
     if ($this->prefix) {
         if (!$this->cache->has(__METHOD__)) {
             $content = parent::getProcessedTemplate();
             $content = $this->updateRef($this->prefix, $content);
             $content = $this->updateDependsOn($this->prefix, $content);
             $content = $this->updateDependsOnMultiple($this->prefix, $content);
             $content = $this->updateFnGetAtt($this->prefix, $content);
             $content = $this->updateFnFindInMap($this->prefix, $content);
             $this->cache->set(__METHOD__, $content);
         }
         return $this->cache->get(__METHOD__);
     } else {
         return parent::getProcessedTemplate();
     }
 }