diff --git a/components/ILIAS/UI/src/Implementation/DefaultRenderer.php b/components/ILIAS/UI/src/Implementation/DefaultRenderer.php
index cd0133743a35..94cb33f77145 100755
--- a/components/ILIAS/UI/src/Implementation/DefaultRenderer.php
+++ b/components/ILIAS/UI/src/Implementation/DefaultRenderer.php
@@ -47,14 +47,15 @@ public function __construct(
     /**
      * @inheritdoc
      */
-    public function render($component, ?Renderer $root = null)
+    public function render(Component|array $component, ?Renderer $root = null): string
     {
         $this->language->loadLanguageModule('ui');
 
-        $root = $root ?? $this;
+        $root ??= $this;
 
         $out = '';
         if (is_array($component)) {
+            /** @var Component $_component */
             foreach ($component as $_component) {
                 $out .= $root->render($_component);
             }
@@ -75,12 +76,13 @@ public function render($component, ?Renderer $root = null)
     /**
      * @inheritdoc
      */
-    public function renderAsync($component, ?Renderer $root = null)
+    public function renderAsync(Component|array $component, ?Renderer $root = null): string
     {
-        $root = $root ?? $this;
+        $root ??= $this;
 
         $out = '';
         if (is_array($component)) {
+            /** @var Component $_component */
             foreach ($component as $_component) {
                 $out .= $root->renderAsync($_component);
             }
diff --git a/components/ILIAS/UI/src/Implementation/Render/DecoratedRenderer.php b/components/ILIAS/UI/src/Implementation/Render/DecoratedRenderer.php
index 3d9331a66261..225d5f6b3eef 100755
--- a/components/ILIAS/UI/src/Implementation/Render/DecoratedRenderer.php
+++ b/components/ILIAS/UI/src/Implementation/Render/DecoratedRenderer.php
@@ -63,7 +63,7 @@ final protected function renderDefault($component, ?Renderer $root = null): stri
     /**
      * @inheritdoc
      */
-    final public function render($component, ?Renderer $root = null): string
+    final public function render(Component|array $component, ?Renderer $root = null): string
     {
         $root = $root ?? $this;
         return $this->manipulateRendering($component, $root) ?? $this->default->render($component, $root);
@@ -72,7 +72,7 @@ final public function render($component, ?Renderer $root = null): string
     /**
      * @inheritdoc
      */
-    final public function renderAsync($component, ?Renderer $root = null): string
+    final public function renderAsync(Component|array $component, ?Renderer $root = null): string
     {
         $root = $root ?? $this;
         return $this->manipulateAsyncRendering($component, $root) ?? $this->default->renderAsync($component, $root);
diff --git a/components/ILIAS/UI/src/Renderer.php b/components/ILIAS/UI/src/Renderer.php
index 7042700c9b51..809cd13963b9 100755
--- a/components/ILIAS/UI/src/Renderer.php
+++ b/components/ILIAS/UI/src/Renderer.php
@@ -35,10 +35,8 @@ interface Renderer
      *
      * @param Component|Component[] $component
      * @param ?Renderer $root of renderers in the chain to be used for rendering sub components.
-     *
-     * @return string
      */
-    public function render($component, ?Renderer $root = null);
+    public function render(Component|array $component, ?Renderer $root = null): string;
 
     /**
      * Same as render, except that this version also returns any javascript code bound to the on load event,
@@ -47,8 +45,6 @@ public function render($component, ?Renderer $root = null);
      *
      * @param Component|Component[] $component
      * @param ?Renderer $root of renderers in the chain to be used for rendering sub components.
-     *
-     * @return string
      */
-    public function renderAsync($component, ?Renderer $root = null);
+    public function renderAsync(Component|array $component, ?Renderer $root = null): string;
 }
diff --git a/components/ILIAS/UI/src/examples/Table/Ordering/large.php b/components/ILIAS/UI/src/examples/Table/Ordering/large.php
index 7e455a22d4cc..44764383f4eb 100644
--- a/components/ILIAS/UI/src/examples/Table/Ordering/large.php
+++ b/components/ILIAS/UI/src/examples/Table/Ordering/large.php
@@ -1,13 +1,27 @@
 <?php
 
+/**
+ * This file is part of ILIAS, a powerful learning management system
+ * published by ILIAS open source e-Learning e.V.
+ *
+ * ILIAS is licensed with the GPL-3.0,
+ * see https://www.gnu.org/licenses/gpl-3.0.en.html
+ * You should have received a copy of said license along with the
+ * source code, too.
+ *
+ * If this is not the case or you just want to try ILIAS, you'll find
+ * us at:
+ * https://www.ilias.de
+ * https://github.com/ILIAS-eLearning
+ *
+ *********************************************************************/
+
 declare(strict_types=1);
 
 namespace ILIAS\UI\examples\Table\Ordering;
 
-use ILIAS\UI\Implementation\Component\Table as T;
 use ILIAS\UI\Component\Table as I;
 use ILIAS\UI\URLBuilder;
-use Psr\Http\Message\ServerRequestInterface;
 use ILIAS\Data\URI;
 
 /**
@@ -135,7 +149,7 @@ public function setOrder(array $ordered): void
         && $request_wrapper->retrieve('ordering_example', $refinery->kindlyTo()->int()) === 4
     ) {
         if ($data = $table->getData()) {
-            $out[] = $f->legacy('<pre>' . print_r($data, true) . '</pre>');
+            $out[] = $f->legacy()->content('<pre>' . print_r($data, true) . '</pre>');
         }
         $data_retrieval->setOrder($data);
     }
diff --git a/components/ILIAS/UI/tests/Renderer/AbstractRendererTest.php b/components/ILIAS/UI/tests/Renderer/AbstractRendererTest.php
index 17eea8a56a36..ce840cc8e9b9 100755
--- a/components/ILIAS/UI/tests/Renderer/AbstractRendererTest.php
+++ b/components/ILIAS/UI/tests/Renderer/AbstractRendererTest.php
@@ -73,6 +73,7 @@ public function _getTemplate(string $a, bool $b, bool $c): Template
     require_once(__DIR__ . "/../Base.php");
 
     use ILIAS\UI\Component as C;
+    use ILIAS\UI\Component\Component;
     use ILIAS\UI\Implementation\Render\Template;
     use ILIAS\UI\Implementation\Render\TemplateFactory;
     use ILIAS\UI\Renderer;
@@ -134,11 +135,12 @@ public function getTemplate(string $path, bool $purge_unfilled_vars, bool $purge
 
     class NullDefaultRenderer implements Renderer
     {
-        public function render($component, ?Renderer $root = null)
+        public function render(Component|array $component, ?Renderer $root = null): string
         {
-            return "";
+            return '';
         }
-        public function renderAsync($component, ?Renderer $root = null)
+
+        public function renderAsync(Component|array $component, ?Renderer $root = null): string
         {
             return '';
         }