https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Render%21MainContent%21AjaxRenderer.php/10
AjaxRenderer.php | Drupal API
phpdrupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Render%21MainContent%21AjaxRenderer.php/function/AjaxRenderer%3A%3A__construct/10
function AjaxRenderer::__construct | Drupal API
functionconstructdrupalapi