require PHP 7.4 for typed properties

rules/CodeQuality/Rector/Class_/ExplicitRelationCollectionRector.php

@@ -13,6 +13,8 @@
 use Rector\NodeManipulator\ClassDependencyManipulator;
 use Rector\Rector\AbstractRector;
 use Rector\TypeDeclaration\AlreadyAssignDetector\ConstructorAssignDetector;
+use Rector\ValueObject\PhpVersionFeature;
+use Rector\VersionBonding\Contract\MinPhpVersionInterface;
 use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
 use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
 
@@ -21,7 +23,7 @@
  *
  * @changelog https://www.doctrine-project.org/projects/doctrine-orm/en/2.6/reference/best-practices.html#initialize-collections-in-the-constructor
  */
-final class ExplicitRelationCollectionRector extends AbstractRector
+final class ExplicitRelationCollectionRector extends AbstractRector implements MinPhpVersionInterface
 {
     public function __construct(
         private readonly AttrinationFinder $attrinationFinder,
@@ -126,4 +128,9 @@ public function refactor(Node $node): ?Node
 
         return $node;
     }
+
+    public function provideMinPhpVersion(): int
+    {
+        return PhpVersionFeature::TYPED_PROPERTIES;
+    }
 }