1 files changed, 17 insertions, 2 deletions
diff --git a/core/src/main/java/org/elasticsearch/threadpool/ThreadPool.java b/core/src/main/java/org/elasticsearch/threadpool/ThreadPool.java
index 56e02926ed..5d0c814a28 100644
--- a/core/src/main/java/org/elasticsearch/threadpool/ThreadPool.java
+++ b/core/src/main/java/org/elasticsearch/threadpool/ThreadPool.java
@@ -40,8 +40,23 @@ import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.common.xcontent.XContentBuilderString;
 
 import java.io.IOException;
-import java.util.*;
-import java.util.concurrent.*;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Queue;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.concurrent.Executor;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.RejectedExecutionHandler;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.ScheduledThreadPoolExecutor;
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 import static java.util.Collections.unmodifiableMap;