added deprecation warnings

src/Security/CurrentUser.php

@@ -48,6 +48,8 @@ final class CurrentUser
             return null;
         }
 
+        @trigger_error('CurrentUser is deprecated and will be removed with 2.0, use DI or at worst Symfony\Component\Security\Core\Security instead', E_USER_DEPRECATED);
+
         $this->user = $user;
 
         return $this->user;

src/Timesheet/UserDateTimeFactory.php

@@ -37,6 +37,7 @@ class UserDateTimeFactory extends DateTimeFactory
     public function getTimezone(): DateTimeZone
     {
         if ($this->initializedFromUser === false) {
+            @trigger_error('UserDateTimeFactory is deprecated and will be removed with 2.0, use DateTimeFactory instead', E_USER_DEPRECATED);
             $timezone = date_default_timezone_get();
 
             $user = $this->user->getUser();