+ /**
+ * Locks selected user's account. This method makes sure that a lock reason
+ * is provided that th user later can read on login attempts.
+ * <p>
+ * @param user User instance to be locked
+ * <p>
+ * @return Redirect outcome
+ */
+ String lockUserAccount (final User user);
+
+ /**
+ * Unlocks selected user's account. This method makes sure that the account
+ * is locked.
+ * <p>
+ * @param user User instance to be unlocked
+ * <p>
+ * @return Redirect outcome
+ */
+ String unlockUserAccount (final User user);
+