1 files changed, 3 insertions, 3 deletions
diff --git a/Core/User/UserInterface.php b/Core/User/UserInterface.php
index ed96ca9..1b52dab 100644
--- a/Core/User/UserInterface.php
+++ b/Core/User/UserInterface.php
@@ -11,6 +11,8 @@
 
 namespace Symfony\Component\Security\Core\User;
 
+use Symfony\Component\Security\Core\Role\Role;
+
 /**
  * Represents the interface that all user classes must implement.
  *
@@ -64,7 +66,7 @@ interface UserInterface
      *
      * This can return null if the password was not encoded using a salt.
      *
-     * @return string The salt
+     * @return string|null The salt
      */
     public function getSalt();
 
@@ -80,8 +82,6 @@ interface UserInterface
      *
      * This is important if, at any given point, sensitive information like
      * the plain-text password is stored on this object.
-     *
-     * @return void
      */
     public function eraseCredentials();
 }