/**
* @param \AssetsBundle\AssetFile\AssetFile $oAssetFile
* @return string
*/
public function filterAssetFile(\AssetsBundle\AssetFile\AssetFile $oAssetFile)
{
$oLessParser = new \lessc();
$oLessParser->addImportDir(getcwd());
$oLessParser->setAllowUrlRewrite(true);
//Prevent time limit errors
set_time_limit(0);
return trim($oLessParser->compile($oAssetFile->getAssetFileContents()));
}