Serialize TreeElements

pkg/compiler/lib/src/common/resolution.dart

Index: pkg/compiler/lib/src/common/resolution.dart
diff --git a/pkg/compiler/lib/src/common/resolution.dart b/pkg/compiler/lib/src/common/resolution.dart
index b55e195814ddd4657051eea50448523ed11d7e25..42f961730bac1ff5604a0e4b2590fa2d642e1ff5 100644
--- a/pkg/compiler/lib/src/common/resolution.dart
+++ b/pkg/compiler/lib/src/common/resolution.dart
@@ -20,6 +20,7 @@ import '../elements/elements.dart'
         LocalFunctionElement,
         MetadataAnnotation,
         MethodElement,
+        ResolvedAst,
         TypedefElement,
         TypeVariableElement;
 import '../enqueue.dart' show ResolutionEnqueuer;
@@ -207,6 +208,12 @@ abstract class Resolution {
   ResolutionWorkItem createWorkItem(
       Element element, ItemCompilationContext compilationContext);
 
+  /// Returns `true` if [element] as a fully computed [ResolvedAst].
+  bool hasResolvedAst(Element element);
+
+  /// Returns the `ResolvedAst` for the [element].
+  ResolvedAst getResolvedAst(Element element);
+
   /// Returns `true` if the [ResolutionImpact] for [element] is cached.
   bool hasResolutionImpact(Element element);