https://doc.wikimedia.org/mediawiki-core/master/php/classMediaWiki_1_1Rest_1_1ResponseException.html
MediaWiki: MediaWiki\Rest\ResponseException Class Reference
mediawikirestclassreference
https://api.drupal.org/api/drupal/core%21modules%21big_pipe%21tests%21modules%21big_pipe_test%21src%21BigPipeTestController.php/function/BigPipeTestController%3A%3AresponseException/9
function BigPipeTestController::responseException | Drupal API
functiondrupalapi