public function lintFileList($file_list) {
    $this->say("Linting twig files...");

    $files = explode("\n", $file_list);

    /** @var \Acquia\Blt\Robo\Filesets\FilesetManager $fileset_manager */
    $fileset_manager = $this->getContainer()->get('filesetManager');
    $fileset_ids = $this->getConfigValue('validate.twig.filesets');
    $filesets = $fileset_manager->getFilesets($fileset_ids, TRUE);
    foreach ($filesets as $fileset_id => $fileset) {
      $filesets[$fileset_id] = $fileset_manager->filterFilesByFileset($files, $fileset);
    }
    $this->executeTwigLintCommandAgainstFilesets($filesets);
  }