more progress implementing analysis server code completion

pkg/analysis_server/lib/src/domain_edit.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 domain.edit;
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/constants.dart';
 import 'package:analysis_server/src/protocol.dart';
+import 'package:analysis_services/constants.dart';
 
 /**
  * Instances of the class [EditDomainHandler] implement a [RequestHandler]
  * that handles requests in the edit domain.
  */
 class EditDomainHandler implements RequestHandler {
   /**
    * The analysis server that is using this handler to process requests.
    */
   final AnalysisServer server;
@@ skipping 106 matching lines @@
   }
 
   Response setRefactoringOptions(Request request) {
     // id
     RequestDatum idDatum = request.getRequiredParameter(ID);
     String id = idDatum.asString();
     // TODO(brianwilkerson) implement
     return null;
   }
 }