Index and search of import prefixes.

pkg/analysis_server/lib/src/search/element_references.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 search.element_references;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/collections.dart';
 import 'package:analysis_server/src/protocol.dart' show SearchResult;
@@ skipping 104 matching lines @@
   static bool _isDeclarationInteresting(Element element) {
     if (element is LabelElement) {
       return true;
     }
     if (element is LocalVariableElement) {
       return true;
     }
     if (element is ParameterElement) {
       return true;
     }
+    if (element is PrefixElement) {
+      return true;
+    }
     if (element is PropertyInducingElement) {
       return !element.isSynthetic;
     }
     return false;
   }
 }
 
 
 /**
  * A collection of [Future]s that concats [List] results of added [Future]s into
@@ skipping 10 matching lines @@
    * Adds a [Future] or an [E] value to results.
    */
   void add(value) {
     if (value is Future) {
       _futures.add(value);
     } else {
       _futures.add(new Future.value(<E>[value]));
     }
   }
 }