/**
  * Factory method for AssetFilterCollection
  *
  * @param string $ext The extension An array of filters to put in the collection
  * @return FilterCollection
  */
 protected function _makeFilters($ext, $target)
 {
     $config = array('paths' => $this->_Config->paths($ext, $target), 'target' => $target, 'theme' => $this->_Config->theme());
     $filters = $this->_Config->filters($ext, $target);
     $filterSettings = $this->_Config->filterConfig($filters);
     return new AssetFilterCollection($filters, $config, $filterSettings);
 }