Index: sdk/lib/io/io.dart |
diff --git a/sdk/lib/io/io.dart b/sdk/lib/io/io.dart |
index 974d2d1852b40193e957935ab1f6ac20a44a8c93..70e7ff5b36ba5375268854886c8b8fd5d2da0a07 100644 |
--- a/sdk/lib/io/io.dart |
+++ b/sdk/lib/io/io.dart |
@@ -201,7 +201,8 @@ import 'dart:_internal'; |
import 'dart:collection' show HashMap, |
HashSet, |
LinkedList, |
- LinkedListEntry; |
+ LinkedListEntry, |
+ UnmodifiableMapView; |
import 'dart:convert'; |
import 'dart:isolate'; |
import 'dart:math'; |