protected function createTwigLintCommand() {
    $twig = new Environment(new FilesystemLoader());

    $repo_root = $this->getConfigValue('repo.root');
    $extension_file_contents = file_get_contents($repo_root . '/docroot/core/lib/Drupal/Core/Template/TwigExtension.php');

    // Get any custom defined Twig filters to be ignored by linter.
    $twig_filters = (array) $this->getConfigValue('validate.twig.filters');

    // Add Twig filters from Drupal TwigExtension to be ignored.
    $drupal_filters = [];
    if ($matches_count = preg_match_all("#new \\\\Twig_SimpleFilter\('([^']+)',#", $extension_file_contents, $matches)) {
      $drupal_filters = $matches[1];
    }
    $twig_filters = array_merge($twig_filters, $drupal_filters);
    foreach ($twig_filters as $filter) {
      // Add two default arguments and set to variadic so that filters with
      // named arguments will be whitelisted.
      // @see \TwigNode_Expression_Call::getArguments
      // @see \TwigNode_Expression_Call::call()
      $twig->addFilter(new \Twig_SimpleFilter($filter, function ($node = '', array $args = []) {}, [
        'is_variadic' => TRUE,
      ]));
    }

    // Get any custom defined Twig functions to be ignored by linter.
    $twig_functions = (array) $this->getConfigValue('validate.twig.functions');

    // Add Twig functions from Drupal TwigExtension to be ignored.
    $drupal_functions = [];
    if ($matches_count = preg_match_all("#new \\\\Twig_SimpleFunction\('([^']+)',#", $extension_file_contents, $matches)) {
      $drupal_functions = $matches[1];
    }
    $twig_functions = array_merge($twig_functions, $drupal_functions);
    foreach ($twig_functions as $function) {
      // Add default argument and set to variadic so that functions with named
      // arguments will be whitelisted.
      // @see \TwigNode_Expression_Call::getArguments
      // @see \TwigNode_Expression_Call::call()
      $twig->addFunction(new \Twig_SimpleFunction($function, function (array $args = []) {}, [
        'is_variadic' => TRUE,
      ]));
    }

    // Add Drupal Twig parser to include trans tag.
    $token_parser_filename = $repo_root . '/docroot/core/lib/Drupal/Core/Template/TwigTransTokenParser.php';
    if (file_exists($token_parser_filename)) {
      require_once $token_parser_filename;
      $twig->addTokenParser(new TwigTransTokenParser());
    }

    $command = new TwigLintCommand();
    $command->setTwigEnvironment($twig);

    return $command;
  }