https://api.drupal.org/api/drupal/core%21modules%21language%21src%21HttpKernel%21PathProcessorLanguage.php/11.x
PathProcessorLanguage.php | Drupal API
phpdrupalapi
https://api.drupal.org/api/drupal/core%21modules%21language%21src%21HttpKernel%21PathProcessorLanguage.php/function/PathProcessorLanguage%3A%3AinitProcessors/11.x
function PathProcessorLanguage::initProcessors | Drupal API
functiondrupalapi
https://api.drupal.org/api/drupal/core%21modules%21language%21src%21HttpKernel%21PathProcessorLanguage.php/9
PathProcessorLanguage.php | Drupal API
phpdrupalapi