Rename IndexStore to avoid confusion with the new public API

pkg/analysis_server/lib/src/services/index/index_contributor.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 services.src.index.index_contributor;
 
 import 'dart:collection' show Queue;
 
 import 'package:analysis_server/src/services/correction/namespace.dart';
 import 'package:analysis_server/src/services/index/index.dart';
 import 'package:analysis_server/src/services/index/index_store.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/html.dart' as ht;
 import 'package:analyzer/src/generated/java_engine.dart';
 import 'package:analyzer/src/generated/scanner.dart';
 import 'package:analyzer/src/generated/source.dart';
 
 /**
  * Adds data to [store] based on the resolved Dart [unit].
  */
 void indexDartUnit(
-    IndexStore store, AnalysisContext context, CompilationUnit unit) {
+    InternalIndexStore store, AnalysisContext context, CompilationUnit unit) {
   // check unit
   if (unit == null) {
     return;
   }
   // prepare unit element
   CompilationUnitElement unitElement = unit.element;
   if (unitElement == null) {
     return;
   }
   // about to index
   bool mayIndex = store.aboutToIndexDart(context, unitElement);
   if (!mayIndex) {
     return;
   }
   // do index
   unit.accept(new _IndexContributor(store));
   store.doneIndex();
 }
 
 /**
  * Adds data to [store] based on the resolved HTML [unit].
  */
 void indexHtmlUnit(
-    IndexStore store, AnalysisContext context, ht.HtmlUnit unit) {
+    InternalIndexStore store, AnalysisContext context, ht.HtmlUnit unit) {
   // check unit
   if (unit == null) {
     return;
   }
   // prepare unit element
   HtmlElement unitElement = unit.element;
   if (unitElement == null) {
     return;
   }
   // about to index
   bool mayIndex = store.aboutToIndexHtml(context, unitElement);
   if (!mayIndex) {
     return;
   }
   // do index
   store.doneIndex();
 }
 
 /**
- * Visits a resolved AST and adds relationships into [IndexStore].
+ * Visits a resolved AST and adds relationships into [InternalIndexStore].
  */
 class _IndexContributor extends GeneralizingAstVisitor {
-  final IndexStore _store;
+  final InternalIndexStore _store;
 
   LibraryElement _libraryElement;
 
   Map<ImportElement, Set<Element>> _importElementsMap = {};
 
   /**
    * A stack whose top element (the element with the largest index) is an
    * element representing the inner-most enclosing scope.
    */
   Queue<Element> _elementStack = new Queue();
@@ skipping 700 matching lines @@
   }
 
   /**
    * @return `true` if given "node" is part of [PrefixedIdentifier] "prefix.node".
    */
   static bool _isIdentifierInPrefixedIdentifier(SimpleIdentifier node) {
     AstNode parent = node.parent;
     return parent is PrefixedIdentifier && parent.identifier == node;
   }
 }