Issue #3337216: DI problems

src/Plugin/Field/FieldWidget/PrivateMessageThreadMemberWidget.php

@@ -55,13 +55,6 @@ class PrivateMessageThreadMemberWidget extends EntityReferenceAutocompleteWidget
    */
   protected RequestStack $requestStack;
 
-  /**
-   * Key-value storage.
-   *
-   * @var \Drupal\Core\KeyValueStore\KeyValueFactoryInterface
-   */
-  protected KeyValueFactoryInterface $keyValue;
-
   /**
    * The user manager service.
    *
@@ -81,14 +74,7 @@ class PrivateMessageThreadMemberWidget extends EntityReferenceAutocompleteWidget
    *
    * @var \Drupal\Core\KeyValueStore\KeyValueStoreInterface
    */
-  protected $keyValueStore;
-
-  /**
-   * The key/value storage collection.
-   *
-   * @var \Drupal\Core\KeyValueStore\KeyValueStoreInterface
-   */
-  protected $keyValueStore;
+  protected KeyValueStoreInterface $keyValueStore;
 
   /**
    * Constructs a PrivateMessageThreadMemberWidget object.
@@ -134,7 +120,6 @@ class PrivateMessageThreadMemberWidget extends EntityReferenceAutocompleteWidget
     $this->csrfTokenGenerator = $csrfTokenGenerator;
     $this->currentUser = $currentUser;
     $this->requestStack = $requestStack;
-    $this->keyValue = $key_value_factory;
     $this->userManager = $entityTypeManager->getStorage('user');
     $this->config = $configFactory->get('private_message.settings');
     $this->keyValueStore = $keyValueStore;