Issue #3326493 by Patrick R., webflo: Fix inaccurate return types in user module

core/modules/user/user.module

@@ -167,7 +167,7 @@ function user_user_presave(UserInterface $account) {
  * @param string $mail
  *   String with the account's email address.
  *
- * @return object|bool
+ * @return \Drupal\user\UserInterface|false
  *   A fully-loaded $user object upon successful user load or FALSE if user
  *   cannot be loaded.
  *
@@ -185,7 +185,7 @@ function user_load_by_mail($mail) {
  * @param string $name
  *   String with the account's user name.
  *
- * @return object|bool
+ * @return \Drupal\user\UserInterface|false
  *   A fully-loaded $user object upon successful user load or FALSE if user
  *   cannot be loaded.
  *