Restructure the public API for server

pkg/analysis_server/lib/edit/fix/fix_core.dart

Index: pkg/analysis_server/lib/edit/fix/fix_core.dart
diff --git a/pkg/analysis_server/lib/edit/fix/fix_core.dart b/pkg/analysis_server/lib/edit/fix/fix_core.dart
deleted file mode 100644
index f38d59a8eeca703180816908a67d8266c20ecd84..0000000000000000000000000000000000000000
--- a/pkg/analysis_server/lib/edit/fix/fix_core.dart
+++ /dev/null
@@ -1,103 +0,0 @@
-// Copyright (c) 2015, 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 analysis_server.edit.fix.fix_core;
-
-import 'package:analysis_server/src/protocol.dart' show SourceChange;
-import 'package:analyzer/file_system/file_system.dart';
-import 'package:analyzer/src/generated/engine.dart';
-import 'package:analyzer/src/generated/error.dart';
-
-/**
- * A description of a single proposed fix for some problem.
- *
- * Clients are not expected to subtype this class.
- */
-class Fix {
-  /**
-   * An empty list of fixes.
-   */
-  static const List<Fix> EMPTY_LIST = const <Fix>[];
-
-  /**
-   * A comparator that can be used to sort fixes by their relevance. The most
-   * relevant fixes will be sorted before fixes with a lower relevance.
-   */
-  static final Comparator<Fix> SORT_BY_RELEVANCE = (Fix firstFix,
-          Fix secondFix) =>
-      firstFix.kind.relevance - secondFix.kind.relevance;
-
-  /**
-   * A description of the fix being proposed.
-   */
-  final FixKind kind;
-
-  /**
-   * The change to be made in order to apply the fix.
-   */
-  final SourceChange change;
-
-  /**
-   * Initialize a newly created fix to have the given [kind] and [change].
-   */
-  Fix(this.kind, this.change);
-
-  @override
-  String toString() {
-    return 'Fix(kind=$kind, change=$change)';
-  }
-}
-
-/**
- * An object used to produce fixes for a specific error. Fix contributors are
- * long-lived objects and must not retain any state between invocations of
- * [computeFixes].
- *
- * Clients are expected to subtype this class when implementing plugins.
- */
-abstract class FixContributor {
-  /**
-   * Return a list of fixes for the given [error]. The error was reported
-   * after it's source was analyzed in the given [context].
-   */
-  List<Fix> computeFixes(ResourceProvider resourceProvider,
-      AnalysisContext context, AnalysisError error);
-}
-
-/**
- * A description of a class of fixes. Instances are intended to hold the
- * information that is common across a number of fixes and to be shared by those
- * fixes. For example, if an unnecessary cast is found then one of the suggested
- * fixes will be to remove the cast. If there are multiple unnecessary casts in
- * a single file, then there will be multiple fixes, one per occurance, but they
- * will all share the same kind.
- *
- * Clients are not expected to subtype this class.
- */
-class FixKind {
-  /**
-   * The name of this kind of fix, used for debugging.
-   */
-  final String name;
-
-  /**
-   * The relevance of this kind of fix for the kind of error being addressed.
-   */
-  final int relevance;
-
-  /**
-   * A human-readable description of the changes that will be applied by this
-   * kind of fix.
-   */
-  final String message;
-
-  /**
-   * Initialize a newly created kind of fix to have the given [name],
-   * [relevance] and [message].
-   */
-  const FixKind(this.name, this.relevance, this.message);
-
-  @override
-  String toString() => name;
-}