https://api.drupal.org/api/drupal/core%21modules%21help%21src%21Controller%21HelpController.php/function/HelpController%3A%3AhelpMain/main
function HelpController::helpMain | Drupal API
functiondrupalapi
https://api.drupal.org/api/drupal/core%21modules%21help%21src%21Controller%21HelpController.php/property/HelpController%3A%3AhelpManager/10
HelpController::$helpManager | Drupal API
drupalapi