Synchronizer/DownSynchronizer.php
protected function extractPackage($projectPath)
    {
        $this->archive->setExtractPath($projectPath);
        $this->archive->extract()->remove();
    }
protected function extractPackage($projectPath)
    {
        $this->archive->setExtractPath($projectPath);
        $this->archive->extract()->remove();
    }
Extract the Crowdin package

@param $projectPath