From 8f6633523cf65f42fa3f5bc8d7176de0a7be3684 Mon Sep 17 00:00:00 2001
From: Alexey Kudravtsev <cdr@intellij.com>
Date: Mon, 13 Mar 2017 16:17:45 +0300
Subject: [PATCH] tiny bit of improvement to IDEA-167532 IntelliJ incredibly
 slow after language level  8 enabled

---
 .../src/com/jetbrains/jsonSchema/JsonSchemaFileTypeManager.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/json/src/com/jetbrains/jsonSchema/JsonSchemaFileTypeManager.java b/json/src/com/jetbrains/jsonSchema/JsonSchemaFileTypeManager.java
index f7656c77ee3c..6674ad0887d7 100644
--- a/json/src/com/jetbrains/jsonSchema/JsonSchemaFileTypeManager.java
+++ b/json/src/com/jetbrains/jsonSchema/JsonSchemaFileTypeManager.java
@@ -30,7 +30,7 @@ import java.util.Collection;
  * @author Irina.Chernushina on 5/30/2016.
  */
 public class JsonSchemaFileTypeManager implements ProjectManagerListener {
-  private final Collection<VirtualFile> myFileSets = ContainerUtil.createConcurrentList();
+  private final Collection<VirtualFile> myFileSets = ContainerUtil.newConcurrentSet();
   private volatile boolean mySetsInitialized;
   private static final Object LOCK = new Object();