Serialize scopes according to semantic structure.

dart/tests/try/poi/data/private.dart

+// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+library private;
+
+class P {
+  pMethod1() {
+  }
+
+  pMethod2() {
+  }
+
+  _pMethod1() {
+  }
+
+  _pMethod2() {
+  }
+
+  static staticPMethod1() {
+  }
+
+  static staticPMethod2() {
+  }
+
+  static _staticPMethod1() {
+  }
+
+  static _staticPMethod2() {
+  }
+}