Module development and code questions

I need an Array of the query-parameters. However, when I tried to get all the query parameters via the request-object, it returned two parameters, that didn't belong there: "destination" and "_exception_statuscode". Is there a way to get the original query from the request object?

Is it possible to use webforms to adjust values of fields based on other fields using ajax?

Hi team.
I'm using Entityqueue module with Drupal 9, and I am in the process of upgrading to Drupal 10. As part of this upgrade, I have installed the Upgrade Status module. However, I encountered the following issue:
Call to static method load() on an unknown class Drupal\entityqueue\Entity\EntitySubqueue.

In my code, I am using the following line:

Hi Everyone,

I want to change the comments order based on a field value but I am unable to change it I have tried so many hooks but none of them are working as I wanted 

here are some examples which I tried 
 

function hook_entity_type_alter(array &$entity_types) {

  if (isset($entity_types['comment'])) {
    // dd($entity_types['comment']);
    $entity_types['comment']->setHandlerClass('storage', 'Drupal\test\TestStorage');
  }
}

function hook_preprocess_comment(&$vars) {
  dump($vars);
  } 

Hi, 

My general question is how to get file from Drupal to external system (java). 

1. In Drupal webform module i submit a form with an attachment. 

2. Using /file/{file}: GET, rest endpoint, basic auth i receive url "url": "/system/files/webform/wniosek_o_dostep_do_informacji_p/_sid_/dodaj_zalacznik.ods"

3. I try to call this url http://{website.com}/system/files/webform/wniosek_o_dostep_do_informacji_p/_sid_/dodaj_zalacznik.ods from java client and always get 403 error acces denied. 

Hi, I've been working on an offsite payment gateway module. I reached upto the point of redirection, but I cannot receive a proper successful order becoz I hit this error just during the redirection back to site happens. I checked log report, found this:

Path: /checkout/16/payment/return. Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException: in Drupal\Core\Routing\AccessAwareRouter->checkAccess() (line 118 of /...../core/lib/Drupal/Core/Routing/AccessAwareRouter.php).