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 7c675afe9413ad947702acacc926ce0b9494ff88..88035c19037d1e1b37081db9f0cb06f087145d84 100644
--- a/pkg/compiler/lib/src/common/resolution.dart
+++ b/pkg/compiler/lib/src/common/resolution.dart
@@ -25,6 +25,7 @@ import '../elements/elements.dart' show
     LocalFunctionElement,
     MetadataAnnotation,
     MethodElement,
+    ResolvedAst,
     TypedefElement,
     TypeVariableElement;
 import '../enqueue.dart' show
@@ -204,6 +205,12 @@ 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);