Create IntermediaryParent as suggested by @GuilhemN

Tobion · Tobion · commit 70527582fa46 · 2019-08-19T20:20:34.000+02:00
This way we can mark the ControllerEvent as final while maintaining the class hierarchy for BC
diff --git a/src/Symfony/Component/HttpKernel/Event/FilterControllerArgumentsEvent.php b/src/Symfony/Component/HttpKernel/Event/FilterControllerArgumentsEvent.php
@@ -17,7 +17,7 @@
 /**
  * @deprecated since Symfony 4.3, use ControllerArgumentsEvent instead
  */
-class FilterControllerArgumentsEvent extends FilterControllerEvent
+class FilterControllerArgumentsEvent extends IntermediaryParent
 {
     private $arguments;
 
@@ -41,3 +41,10 @@ public function setArguments(array $arguments)
         $this->arguments = $arguments;
     }
 }
+
+/**
+ * @internal To be removed in Symfony 5.0. Do not rely on FilterControllerArgumentsEvent extending ControllerEvent which will be final.
+ */
+class IntermediaryParent extends ControllerEvent
+{
+}

Original file line number	Diff line number	Diff line change
`@@ -17,7 +17,7 @@`
`17`	`17`	`/**`
`18`	`18`	`* @deprecated since Symfony 4.3, use ControllerArgumentsEvent instead`
`19`	`19`	`*/`
`20`		`-class FilterControllerArgumentsEvent extends FilterControllerEvent`
	`20`	`+class FilterControllerArgumentsEvent extends IntermediaryParent`
`21`	`21`	`{`
`22`	`22`	`private $arguments;`
`23`	`23`
`@@ -41,3 +41,10 @@ public function setArguments(array $arguments)`
`41`	`41`	`$this->arguments = $arguments;`
`42`	`42`	`}`
`43`	`43`	`}`
	`44`	`+`
	`45`	`+/**`
	`46`	`+ * @internal To be removed in Symfony 5.0. Do not rely on FilterControllerArgumentsEvent extending ControllerEvent which will be final.`
	`47`	`+ */`
	`48`	`+class IntermediaryParent extends ControllerEvent`
	`49`	`+{`
	`50`	`+}`