Index: sdk/lib/_internal/compiler/js_lib/js_helper.dart |
diff --git a/sdk/lib/_internal/compiler/js_lib/js_helper.dart b/sdk/lib/_internal/compiler/js_lib/js_helper.dart |
index c6fd99a3343874b392017126c23958e90c0ebb30..716d4c6c85788cabac1e312e913a0bf01aab7a62 100644 |
--- a/sdk/lib/_internal/compiler/js_lib/js_helper.dart |
+++ b/sdk/lib/_internal/compiler/js_lib/js_helper.dart |
@@ -77,6 +77,12 @@ class _Patch { |
const _Patch patch = const _Patch(); |
+ |
+/// Marks the internal map in dart2js, so that internal libraries can is-check |
+// them. |
+abstract class InternalMap { |
+} |
+ |
/// No-op method that is called to inform the compiler that preambles might |
/// be needed when executing the resulting JS file in a command-line |
/// JS engine. |