1 files changed, 12 insertions, 2 deletions
diff --git a/core/src/main/java/org/elasticsearch/common/util/MultiDataPathUpgrader.java b/core/src/main/java/org/elasticsearch/common/util/MultiDataPathUpgrader.java
index 2cbc8cbdf9..8d04900382 100644
--- a/core/src/main/java/org/elasticsearch/common/util/MultiDataPathUpgrader.java
+++ b/core/src/main/java/org/elasticsearch/common/util/MultiDataPathUpgrader.java
@@ -42,9 +42,19 @@ import org.elasticsearch.index.shard.ShardStateMetaData;
 import java.io.IOException;
 import java.io.PrintStream;
 import java.nio.charset.StandardCharsets;
-import java.nio.file.*;
+import java.nio.file.DirectoryStream;
+import java.nio.file.FileStore;
+import java.nio.file.FileVisitResult;
+import java.nio.file.FileVisitor;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardCopyOption;
 import java.nio.file.attribute.BasicFileAttributes;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
 
 /**
  */