1 files changed, 3 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/database/NotificationManager.java b/src/main/java/org/traccar/database/NotificationManager.java
index 7d2a1bb2e..17797e21d 100644
--- a/src/main/java/org/traccar/database/NotificationManager.java
+++ b/src/main/java/org/traccar/database/NotificationManager.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 - 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 - 2020 Anton Tananaev (anton@traccar.org)
  * Copyright 2016 - 2018 Andrey Kunitsyn (andrey@traccar.org)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -19,8 +19,10 @@ package org.traccar.database;
 import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
 import java.sql.SQLException;
+import java.util.Arrays;
 import java.util.Date;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Set;