@@ -20,7 +20,7 @@ final class UsernameListener
2020 private $ factory ;
2121 /** @var array<class-string, array<string, string>> */
2222 private $ mapping ;
23- /** @var array<int, string| null> */
23+ /** @var array<int, null|string > */
2424 private $ removals = [];
2525 /** @var array<int, array{0:User,1:string}> */
2626 private $ insertions = [];
@@ -71,17 +71,17 @@ public function preUpdate(object $entity, PreUpdateEventArgs $event): void
7171 continue ;
7272 }
7373
74- /** @var string| null $oldUsername */
74+ /** @var null|string $oldUsername */
7575 $ oldUsername = $ event ->getOldValue ($ field );
76- /** @var string| null $newUsername */
76+ /** @var null|string $newUsername */
7777 $ newUsername = $ event ->getNewValue ($ field );
7878
7979 if (null !== $ oldUsername ) {
8080 $ this ->removals [] = $ oldUsername ;
8181 }
8282
8383 if (null !== $ newUsername ) {
84- /** @var User| null $user */
84+ /** @var null|User $user */
8585 $ user = null === $ mappedBy ? $ entity : $ em ->getClassMetadata (\get_class ($ entity ))->getFieldValue ($ entity , $ mappedBy );
8686
8787 if (null !== $ user ) {
@@ -124,7 +124,7 @@ private function createUsernames(object $entity, EntityManagerInterface $em): it
124124 }
125125
126126 /**
127- * @return array<string, string| null>
127+ * @return array<string, null|string >
128128 */
129129 private function getMapping (object $ entity , EntityManagerInterface $ em ): array
130130 {
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