https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21File%21HtaccessWriter.php/function/HtaccessWriter%3A%3AdefaultProtectedDirs/8.9.x
function HtaccessWriter::defaultProtectedDirs | Drupal API
functiondrupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21File%21HtaccessWriter.php/9
HtaccessWriter.php | Drupal API
phpdrupalapi