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-rw-r--r--vendor/sabre/dav/lib/DAVACL/PrincipalBackend/AbstractBackend.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/vendor/sabre/dav/lib/DAVACL/PrincipalBackend/AbstractBackend.php b/vendor/sabre/dav/lib/DAVACL/PrincipalBackend/AbstractBackend.php
index 03a9c4bad..f61a0c953 100644
--- a/vendor/sabre/dav/lib/DAVACL/PrincipalBackend/AbstractBackend.php
+++ b/vendor/sabre/dav/lib/DAVACL/PrincipalBackend/AbstractBackend.php
@@ -33,7 +33,7 @@ abstract class AbstractBackend implements BackendInterface
* @param string $uri
* @param string $principalPrefix
*
- * @return string
+ * @return string|null
*/
public function findByUri($uri, $principalPrefix)
{