Prop argument type for Middleware

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

lib/public/AppFramework/Middleware.php

@@ -52,7 +52,7 @@ abstract class Middleware {
 	 *                           the controller
 	 * @since 6.0.0
 	 */
-	public function beforeController($controller, $methodName){
+	public function beforeController(Controller $controller, $methodName){
 
 	}
 
@@ -72,7 +72,7 @@ abstract class Middleware {
 	 * @return Response a Response object in case that the exception was handled
 	 * @since 6.0.0
 	 */
-	public function afterException($controller, $methodName, \Exception $exception){
+	public function afterException(Controller $controller, $methodName, \Exception $exception){
 		throw $exception;
 	}
 
@@ -88,7 +88,7 @@ abstract class Middleware {
 	 * @return Response a Response object
 	 * @since 6.0.0
 	 */
-	public function afterController($controller, $methodName, Response $response){
+	public function afterController(Controller $controller, $methodName, Response $response){
 		return $response;
 	}
 
@@ -104,7 +104,7 @@ abstract class Middleware {
 	 * @return string the output that should be printed
 	 * @since 6.0.0
 	 */
-	public function beforeOutput($controller, $methodName, $output){
+	public function beforeOutput(Controller $controller, $methodName, $output){
 		return $output;
 	}