original_string: public function invalidateResourceCollection($version = null, FilterInterface $filter = null)
      {
          $this->cache->deleteItem($this->getResourceCollectionKey($version, $filter));
      }
code: public function invalidateResourceCollection($version = null, FilterInterface $filter = null)
      {
          $this->cache->deleteItem($this->getResourceCollectionKey($version, $filter));
      }
code_tokens: public function invalidateResourceCollection ( $ version = null , FilterInterface $ filter = null ) { $ this -> cache -> deleteItem ( $ this -> getResourceCollectionKey ( $ version , $ filter ) ) ; }
docstring: Invalidates the cached resource collection
  
  @param integer|null $version
docstring_tokens: Invalidates the cached resource collection