Move completion APIs to a private location

pkg/analysis_server/lib/completion/completion_dart.dart

Index: pkg/analysis_server/lib/completion/completion_dart.dart
diff --git a/pkg/analysis_server/lib/completion/completion_dart.dart b/pkg/analysis_server/lib/completion/completion_dart.dart
deleted file mode 100644
index 1ddd5a095be3d404a7928ebce2d61c7dc622d219..0000000000000000000000000000000000000000
--- a/pkg/analysis_server/lib/completion/completion_dart.dart
+++ /dev/null
@@ -1,88 +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.completion.completion_dart;
-
-import 'package:analysis_server/completion/completion_core.dart';
-import 'package:analysis_server/src/protocol.dart';
-import 'package:analyzer/src/generated/ast.dart';
-import 'package:analyzer/src/generated/engine.dart';
-import 'package:analyzer/src/generated/source.dart';
-import 'package:analysis_server/completion/dart/completion_target.dart';
-
-/**
- * An object used to produce completions for a specific error within a Dart
- * file. Completion contributors are long-lived objects and must not retain any
- * state between invocations of [computeSuggestions].
- *
- * Clients are expected to subtype this class when implementing plugins.
- */
-abstract class DartCompletionContributor extends CompletionContributor {
-  @override
-  List<CompletionSuggestion> computeSuggestions(CompletionRequest request) {
-    if (request is DartCompletionRequest) {
-      return internalComputeSuggestions(request);
-    }
-    AnalysisContext context = request.context;
-    Source source = request.source;
-    List<Source> libraries = context.getLibrariesContaining(source);
-    if (libraries.length < 1) {
-      return null;
-    }
-//    CompilationUnit unit =
-//        context.getResolvedCompilationUnit2(source, libraries[0]);
-//    bool isResolved = true;
-//    if (unit == null) {
-//      // TODO(brianwilkerson) Implement a method for getting a parsed
-//      // compilation unit without parsing the unit if it hasn't been parsed.
-//      unit = context.getParsedCompilationUnit(source);
-//      if (unit == null) {
-//        return null;
-//      }
-//      isResolved = false;
-//    }
-//    DartCompletionRequest dartRequest =
-//        new DartCompletionRequestImpl(request, unit, isResolved);
-//    return internalComputeSuggestions(dartRequest);
-    return null;
-  }
-
-  /**
-   * Compute a list of completion suggestions based on the given completion
-   * [request]. Return the suggestions that were computed.
-   */
-  List<CompletionSuggestion> internalComputeSuggestions(
-      DartCompletionRequest request);
-}
-
-/**
- * The information about a requested list of completions within a Dart file.
- */
-abstract class DartCompletionRequest extends CompletionRequest {
-  /**
-   * Return `true` if the compilation [unit] is resolved.
-   */
-  bool get isResolved;
-
-  /**
-   * Return the compilation unit in which the completion was requested.
-   */
-  CompilationUnit get unit;
-
-  /**
-   * Cached information from a prior code completion operation.
-   */
-  //DartCompletionCache get cache;
-
-  /**
-   * Return the completion target.  This determines what part of the parse tree
-   * will receive the newly inserted text.
-   */
-  CompletionTarget get target;
-
-  /**
-   * Information about the types of suggestions that should be included.
-   */
-  //OpType get _optype;
-}