New Analysis Engine snapshot.

editor/util/plugins/com.google.dart.java2dart/resources/java_engine.dart

Index: editor/util/plugins/com.google.dart.java2dart/resources/java_engine.dart
diff --git a/editor/util/plugins/com.google.dart.java2dart/resources/java_engine.dart b/editor/util/plugins/com.google.dart.java2dart/resources/java_engine.dart
index 770acf512fd5b0293361ae7ab9508937e8ff24c7..d2cc9c4b532408e4d44d9c0bbdc738a408790754 100644
--- a/editor/util/plugins/com.google.dart.java2dart/resources/java_engine.dart
+++ b/editor/util/plugins/com.google.dart.java2dart/resources/java_engine.dart
@@ -2,6 +2,7 @@ library java.engine;
 
 class StringUtilities {
   static List<String> EMPTY_ARRAY = new List(0);
+  static String intern(String s) => s;
 }
 
 class FileNameUtilities {
@@ -16,3 +17,19 @@ class FileNameUtilities {
     return "";
   }
 }
+
+class ArrayUtils {
+  static List addAll(List target, List source) {
+    List result = new List.from(target);
+    result.addAll(source);
+    return result;
+  }
+}
+
+class UUID {
+  static int __nextId = 0;
+  final String id;
+  UUID(this.id);
+  String toString() => id;
+  static UUID randomUUID() => new UUID((__nextId).toString());
+}