Add serialize_rejection to the yaml key

src/Plugin/Filtering/Builder/Reject.php

@@ -16,6 +16,7 @@ final class Reject implements StepBuilderInterface
     private ?Node\Expr $logger = null;
     private ?Node\Expr $rejection = null;
     private ?Node\Expr $state = null;
+    private ?Node\Expr $serialize_rejection = null;
     /** @var list<?Node\Expr> */
     private array $exclusions = [];
 
@@ -42,6 +43,13 @@ public function withState(Node\Expr $state): self
         return $this;
     }
 
+    public function withSerialiazeRejection(Node\Expr $serialize_rejection): self
+    {
+        $this->serialize_rejection = $serialize_rejection;
+
+        return $this;
+    }
+
     public function withExclusions(Node\Expr ...$exclusions): self
     {
         array_push($this->exclusions, ...$exclusions);
@@ -125,7 +133,7 @@ class: new Node\Stmt\Class_(null, [
                                                             new Node\Expr\New_(
                                                                 new Node\Name\FullyQualified(RejectionResultBucket::class),
                                                                 [
-                                                                    new Node\Arg(new Node\Expr\Variable('input')),
+                                                                    $this->serialize_rejection !== null ? new Node\Arg($this->serialize_rejection) : new Node\Arg(new Node\Expr\Variable('input'))
                                                                 ]
                                                             ),
                                                         ),

src/Plugin/Filtering/Configuration/Reject.php

@@ -28,6 +28,13 @@ public function getConfigTreeBuilder(): TreeBuilder
                             ->then(asExpression())
                         ->end()
                     ->end()
+                    ->scalarNode('serialize_rejection')
+                        ->cannotBeEmpty()
+                        ->validate()
+                            ->ifTrue(isExpression())
+                            ->then(asExpression())
+                        ->end()
+                    ->end()
                 ->end()
             ->end()
         ;

src/Plugin/Filtering/Factory/Reject.php

@@ -71,6 +71,9 @@ public function compile(array $config): Repository\Reject
             $builder->withExclusions(
                 compileExpression($interpreter, $condition['when'])
             );
+            if (array_key_exists('serialize_rejection', $condition)) {
+                $builder->withSerialiazeRejection(compileExpression($interpreter, $condition['serialize_rejection']));
+            }
         }
 
         return $repository;