diff --git a/javascript/extractor/src/com/semmle/js/parser/TypeScriptASTConverter.java b/javascript/extractor/src/com/semmle/js/parser/TypeScriptASTConverter.java
index c4dbf02aa3a..b6bd5041a48 100644
--- a/javascript/extractor/src/com/semmle/js/parser/TypeScriptASTConverter.java
+++ b/javascript/extractor/src/com/semmle/js/parser/TypeScriptASTConverter.java
@@ -1,5 +1,13 @@
 package com.semmle.js.parser;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
 import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonNull;
@@ -145,13 +153,6 @@ import com.semmle.ts.ast.UnaryTypeExpr;
 import com.semmle.ts.ast.UnionTypeExpr;
 import com.semmle.util.collections.CollectionUtil;
 import com.semmle.util.data.IntList;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
 /**
  * Utility class for converting a <a