Fixed some errors introduced by earlier typings

src/Entity/Attachments/AttachmentContainingDBElement.php

@@ -79,8 +79,6 @@ abstract class AttachmentContainingDBElement extends AbstractNamedDBElement impl
 
     /**
      *  Gets all attachments associated with this element.
-     *
-     * @phpstan-return Collection<int, AT>
      */
     public function getAttachments(): Collection
     {

src/Entity/LogSystem/AbstractLogEntry.php

@@ -141,10 +141,10 @@ abstract class AbstractLogEntry extends AbstractDBElement
     #[ORM\Column(type: Types::STRING)]
     protected string $username = '';
 
-    /** @var \DateTimeInterface|null The datetime the event associated with this log entry has occured
+    /** @var \DateTimeInterface The datetime the event associated with this log entry has occured
      */
     #[ORM\Column(name: 'datetime', type: Types::DATETIME_MUTABLE)]
-    protected ?\DateTimeInterface $timestamp = null;
+    protected \DateTimeInterface $timestamp;
 
     /** @var int The priority level of the associated level. 0 is highest, 7 lowest
      */
@@ -249,7 +249,7 @@ abstract class AbstractLogEntry extends AbstractDBElement
     /**
      *  Returns the timestamp when the event that caused this log entry happened.
      */
-    public function getTimestamp(): \DateTimeInterface|null
+    public function getTimestamp(): \DateTimeInterface
     {
         return $this->timestamp;
     }

src/Serializer/StructuralElementFromNameDenormalizer.php

@@ -43,7 +43,7 @@ class StructuralElementFromNameDenormalizer implements DenormalizerInterface
     }
 
     /**
-     * @template T
+     * @template T of AbstractStructuralDBElement
      * @phpstan-param class-string<T> $type
      * @phpstan-return T|null
      */

src/Services/LabelSystem/LabelGenerator.php

@@ -60,9 +60,7 @@ final class LabelGenerator
     }
 
     /**
-     * @param object|object[]  $elements An element or an array of elements for which labels should be generated
-     *
-     * @return null|string
+     * @param  object|object[]  $elements  An element or an array of elements for which labels should be generated
      */
     public function generateLabel(LabelOptions $options, object|array $elements): string
     {

src/Twig/TwigCoreExtension.php

@@ -38,7 +38,7 @@ final class TwigCoreExtension extends AbstractExtension
     {
     }
 
-    public function getFunctions()
+    public function getFunctions(): array
     {
         return [
             /* Returns the enum cases as values */

tests/Twig/TwigCoreExtensionTest.php

@@ -65,12 +65,4 @@ class TwigCoreExtensionTest extends WebTestCase
 
         $this->assertEqualsCanonicalizing(['test' => 1, 'test4' => 7], $this->service->toArray($obj));
     }
-
-    public function testToArrayException(): void
-    {
-        //When passing a simple scalar value a exception should be thrown.
-        $this->expectException(\InvalidArgumentException::class);
-
-        $this->service->toArray(1);
-    }
 }