only in patch2:
unchanged:
--- a/modules/past_form/past_form.module
+++ b/modules/past_form/past_form.module
@@ -7,6 +7,7 @@
 
 use Drupal\Component\Utility\NestedArray;
 use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Logger\RfcLogLevel;
 use Drupal\Core\StringTranslation\TranslatableMarkup;
 use Drupal\views\Views;
 
@@ -278,7 +279,7 @@ function _past_form_save_event(array $form, FormStateInterface $form_state, $mac
   }
   // Create the past event.
   $event = past_event_create('past_form', $machine_name, $message);
-  $event->setSeverity(PAST_SEVERITY_DEBUG);
+  $event->setSeverity(RfcLogLevel::DEBUG);
 
   if ($operation != NULL) {
     $event->addArgument('operation', $operation);
only in patch2:
unchanged:
--- a/modules/past_form/src/Tests/PastFormTest.php
+++ b/modules/past_form/src/Tests/PastFormTest.php
@@ -6,6 +6,7 @@
 
 namespace Drupal\past_form\Tests;
 
+use Drupal\Core\Logger\RfcLogLevel;
 use Drupal\Core\StringTranslation\TranslatableMarkup;
 use Drupal\past\PastEventInterface;
 use Drupal\past\PastEventNull;
@@ -680,7 +681,7 @@ class PastFormTest extends WebTestBase {
    */
   public function getEventToBe($machine_name, $form_id, $button_value, $message = 'Form submitted:') {
     $event = past_event_create('past_form', $machine_name, $message . ' ' . $form_id . ', ' . $button_value);
-    $event->setSeverity(PAST_SEVERITY_DEBUG);
+    $event->setSeverity(RfcLogLevel::DEBUG);
     return $event;
   }