Override ChangeBuilder methods in subclass to specify better type information

pkg/analyzer_plugin/lib/utilities/change_builder/change_builder_dart.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 'dart:async';
+
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type.dart';
 import 'package:analyzer/src/dart/analysis/driver.dart';
 import 'package:analyzer/src/generated/resolver.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer_plugin/src/utilities/change_builder/change_builder_dart.dart';
 import 'package:analyzer_plugin/utilities/change_builder/change_builder_core.dart';
 
 /**
  * A [ChangeBuilder] used to build changes in Dart files.
  *
  * Clients may not extend, implement or mix-in this class.
  */
 abstract class DartChangeBuilder extends ChangeBuilder {
   /**
    * Initialize a newly created change builder.
    */
   factory DartChangeBuilder(AnalysisDriver driver) = DartChangeBuilderImpl;
+
+  @override
+  Future<Null> addFileEdit(String path, int fileStamp,
+      void buildFileEdit(DartFileEditBuilder builder));
 }
 
 /**
  * An [EditBuilder] used to build edits in Dart files.
  *
  * Clients may not extend, implement or mix-in this class.
  */
 abstract class DartEditBuilder extends EditBuilder {
+  @override
+  void addLinkedEdit(
+      String groupName, void buildLinkedEdit(DartLinkedEditBuilder builder));
+
   /**
    * Write the code for a declaration of a class with the given [name]. If a
    * list of [interfaces] is provided, then the class will implement those
    * interfaces. If [isAbstract] is `true`, then the class will be abstract. If
    * a [memberWriter] is provided, then it will be invoked to allow members to
    * be generated. (The members will automatically be preceded and followed by
    * end-of-line markers.) If a list of [mixins] is provided, then the class
    * will mix in those classes. If a [nameGroupName] is provided, then the name
    * of the class will be included in the linked edit group with that name. If a
    * [superclass] is given then it will be the superclass of the class. (If a
@@ skipping 178 matching lines @@
    */
   void writeTypeParameters(List<TypeParameterElement> typeParameters);
 }
 
 /**
  * A [FileEditBuilder] used to build edits for Dart files.
  *
  * Clients may not extend, implement or mix-in this class.
  */
 abstract class DartFileEditBuilder extends FileEditBuilder {
+  @override
+  void addInsertion(int offset, void buildEdit(DartEditBuilder builder));
+
+  @override
+  void addReplacement(
+      SourceRange range, void buildEdit(DartEditBuilder builder));
+
   /**
    * Create one or more edits that will convert the given function [body] from
    * being synchronous to be asynchronous. This includes adding the `async`
    * modifier to the body as well as potentially replacing the return type of
    * the function to `Future`.
    *
    * There is currently a limitation in that the function body must not be a
    * generator.
    *
    * Throws an [ArgumentError] if the function body is not both synchronous and
@@ skipping 22 matching lines @@
  *
  * Clients may not extend, implement or mix-in this class.
  */
 abstract class DartLinkedEditBuilder extends LinkedEditBuilder {
   /**
    * Add the given [type] and all of its supertypes (other than mixins) as
    * suggestions for the current linked edit group.
    */
   void addSuperTypesAsSuggestions(DartType type);
 }