Models cannot be final because of NullModels

Models/NullWikiCategory.php

@@ -22,6 +22,6 @@ namespace Modules\Knowledgebase\Models;
  * @link       http://website.orange-management.de
  * @since      1.0.0
  */
-final class NullWikiCategory extends WikiCategory
+class NullWikiCategory extends WikiCategory
 {
 }

Models/NullWikiDoc.php

@@ -22,6 +22,6 @@ namespace Modules\Knowledgebase\Models;
  * @link       http://website.orange-management.de
  * @since      1.0.0
  */
-final class NullWikiDoc extends WikiDoc
+class NullWikiDoc extends WikiDoc
 {
 }

Models/WikiBadge.php

@@ -22,7 +22,7 @@ namespace Modules\Knowledgebase\Models;
  * @link       http://website.orange-management.de
  * @since      1.0.0
  */
-final class WikiBadge implements \JsonSerializable
+class WikiBadge implements \JsonSerializable
 {
     private $id = 0;
 

Models/WikiCategory.php

@@ -22,7 +22,7 @@ namespace Modules\Knowledgebase\Models;
  * @link       http://website.orange-management.de
  * @since      1.0.0
  */
-final class WikiCategory implements \JsonSerializable
+class WikiCategory implements \JsonSerializable
 {
     private $id = 0;
 

Models/WikiDoc.php

@@ -22,7 +22,7 @@ namespace Modules\Knowledgebase\Models;
  * @link       http://website.orange-management.de
  * @since      1.0.0
  */
-final class WikiDoc implements \JsonSerializable
+class WikiDoc implements \JsonSerializable
 {
     private $id = 0;