From 6b8cfa29bf5b9acd3769eb81408cf25aa226a280 Mon Sep 17 00:00:00 2001
From: Alexey Kudravtsev <cdr@intellij.com>
Date: Fri, 24 Jul 2015 16:10:33 +0300
Subject: [PATCH] cleanup

---
 .../src/com/intellij/util/containers/LinkedHashSet.java     | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/platform/util-rt/src/com/intellij/util/containers/LinkedHashSet.java b/platform/util-rt/src/com/intellij/util/containers/LinkedHashSet.java
index ef53ccf3f977..4940409fa6ce 100644
--- a/platform/util-rt/src/com/intellij/util/containers/LinkedHashSet.java
+++ b/platform/util-rt/src/com/intellij/util/containers/LinkedHashSet.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2012 JetBrains s.r.o.
+ * Copyright 2000-2015 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,13 +15,15 @@
  */
 package com.intellij.util.containers;
 
+import org.jetbrains.annotations.NotNull;
+
 import java.util.Collection;
 
 @SuppressWarnings("ClassNameSameAsAncestorName")
 class LinkedHashSet<E> extends java.util.LinkedHashSet<E> {
   public LinkedHashSet() { }
 
-  public LinkedHashSet(Collection<? extends E> collection) {
+  public LinkedHashSet(@NotNull Collection<? extends E> collection) {
     super(collection);
   }