Added return scoping to method signature, matching parent class

Learnosity · Mar 1, 2023 · f3e7262 · f3e7262
1 parent d5e9f76
commit f3e7262
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/Processors/QtiV2/Marshallers/LearnosityObjectMarshaller.php b/src/Processors/QtiV2/Marshallers/LearnosityObjectMarshaller.php
@@ -2,6 +2,7 @@
 
 namespace LearnosityQti\Processors\QtiV2\Marshallers;
 
+use DOMElement;
 use LearnosityQti\Processors\QtiV2\Out\ContentCollectionBuilder;
 use LearnosityQti\Services\ConvertToLearnosityService;
 use LearnosityQti\Services\LogService;
@@ -20,7 +21,7 @@ class LearnosityObjectMarshaller extends ObjectMarshaller
     const MIME_HTML = 'html';
     const MIME_NOT_SUPPORTED = 'na';
 
-    protected function marshallChildrenKnown(QtiComponent $component, array $elements)
+    protected function marshallChildrenKnown(QtiComponent $component, array $elements): DOMElement
     {
         $learnosityServiceObject = ConvertToLearnosityService::getInstance();
         /** @var ObjectElement $component */