IdeOptions awareness for Driver (for access via IDEA registry).

pkg/analysis_server/lib/src/ide_options.dart

 // Copyright (c) 2017, 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.
 
+import 'package:analysis_server/src/analysis_server.dart';
+
 /// A set of options used to configure the behavior of IDE functionality.
 abstract class IdeOptions {
+  factory IdeOptions.from(AnalysisServerOptions options) => new IdeOptionsImpl()
+    ..generateFlutterWidgetChildrenBoilerPlate =
+        options.enableVerboseFlutterCompletions;
+
   /// Whether to generate boilerplate for lists of Flutter Widget children.
   /// See: https://github.com/flutter/flutter-intellij/issues/463
   bool get generateFlutterWidgetChildrenBoilerPlate;
 }
 
 class IdeOptionsImpl implements IdeOptions {
   /// Initialize a newly created set of options with default values.
   IdeOptionsImpl();
 
   @override
   bool generateFlutterWidgetChildrenBoilerPlate = false;
 }