Refactor type annotations in export interfaces

Updated return type annotations in `AggregatorInterface` for clarity and adjusted generics in `ListInterface` to better reflect supported query types. This improves code readability and strengthens type safety.

src/Bundle/ChillMainBundle/Export/AggregatorInterface.php

@@ -94,7 +94,7 @@ interface AggregatorInterface extends ModifierInterface
      * @param string  $key    The column key, as added in the query
      * @param mixed[] $values The values from the result. if there are duplicates, those might be given twice. Example: array('FR', 'BE', 'CZ', 'FR', 'BE', 'FR')
      *
-     * @return callable(mixed $value): string|int|\DateTimeInterface|TranslatableInterface where the first argument is the value, and the function should return the label to show in the formatted file. Example : `function($countryCode) use ($countries) { return $countries[$countryCode]->getName(); }`
+     * @return callable(mixed $value): (string|int|\DateTimeInterface|TranslatableInterface) where the first argument is the value, and the function should return the label to show in the formatted file. Example : `function($countryCode) use ($countries) { return $countries[$countryCode]->getName(); }`
      */
     public function getLabels($key, array $values, mixed $data): callable;
 

src/Bundle/ChillMainBundle/Export/ListInterface.php

@@ -11,6 +11,9 @@ declare(strict_types=1);
 
 namespace Chill\MainBundle\Export;
 
+use Doctrine\ORM\NativeQuery;
+use Doctrine\ORM\QueryBuilder;
+
 /**
  * Define methods to export list.
  *
@@ -20,7 +23,8 @@ namespace Chill\MainBundle\Export;
  *
  * When used, the `ExportManager` will not handle aggregator for this class.
  *
+ * @template Q of QueryBuilder|NativeQuery
  * @template D of array
- * @template-implements ExportInterface<D>
+ * @template-extends ExportInterface<Q, D>
  */
 interface ListInterface extends ExportInterface {}