Issue-3362322: PHP 8.2 deprecation fixes.

src/Controller/OpenApiListController.php

@@ -12,10 +12,32 @@ use Symfony\Component\DependencyInjection\ContainerInterface;
  */
 class OpenApiListController extends ControllerBase {
 
-  public function __construct(
-    private readonly PluginManagerInterface $openapiGeneratorManager,
-    private readonly ?PluginManagerInterface $openapiUiManager,
-  ) {}
+  /**
+   * Current Generator plugin manager.
+   *
+   * @var \Drupal\Component\Plugin\PluginManagerInterface
+   */
+  public $openapiGeneratorManager;
+
+  /**
+   * UI library plugin manager instance. NULL if the module is not enabled.
+   *
+   * @var \Drupal\Component\Plugin\PluginManagerInterface|null
+   */
+  private ?PluginManagerInterface $openapiUiManager;
+
+  /**
+   * Creates a new OpenApiListController.
+   *
+   * @param \Drupal\Component\Plugin\PluginManagerInterface $openapi_generator_manager
+   *   The current openapi generator plugin manager instance.
+   * @param ?\Drupal\Component\Plugin\PluginManagerInterface $openapi_ui_manager
+   *   ui library plugin manager instance. NULL if the module is not enabled.
+   */
+  public function __construct(PluginManagerInterface $openapi_generator_manager, PluginManagerInterface $openapi_ui_manager = NULL) {
+    $this->openapiGeneratorManager = $openapi_generator_manager;
+    $this->openapiUiManager = $openapi_ui_manager;
+  }
 
   /**
    * {@inheritdoc}