Private libraries used.

sdk/lib/_internal/compiler/implementation/lib/interceptors.dart

Index: sdk/lib/_internal/compiler/implementation/lib/interceptors.dart
diff --git a/sdk/lib/_internal/compiler/implementation/lib/interceptors.dart b/sdk/lib/_internal/compiler/implementation/lib/interceptors.dart
index 5ac5b193c31a6cf36a65f387902389807369f48a..57df4ab9c62a087e5046f69f325d8f3c462c8724 100644
--- a/sdk/lib/_internal/compiler/implementation/lib/interceptors.dart
+++ b/sdk/lib/_internal/compiler/implementation/lib/interceptors.dart
@@ -5,6 +5,25 @@
 library _interceptors;
 
 import 'dart:collection';
+import 'dart:_js_helper' show allMatchesInStringUnchecked,
+                              Null,
+                              JSSyntaxRegExp,
+                              Primitives,
+                              checkGrowable,
+                              checkMutable,
+                              checkNull,
+                              checkNum,
+                              checkString,
+                              getRuntimeTypeString,
+                              listInsertRange,
+                              regExpGetNative,
+                              stringContainsUnchecked,
+                              stringLastIndexOfUnchecked,
+                              stringReplaceAllFuncUnchecked,
+                              stringReplaceAllUnchecked,
+                              stringReplaceFirstUnchecked,
+                              TypeImpl;
+import 'dart:_foreign_helper' show JS;
 
 part 'js_array.dart';
 part 'js_number.dart';