New SearchEngine implementation - references only.

pkg/analysis_server/test/services/search/search_engine_test.dart

Index: pkg/analysis_server/test/services/search/search_engine_test.dart
diff --git a/pkg/analysis_server/test/services/search/search_engine_test.dart b/pkg/analysis_server/test/services/search/search_engine_test.dart
index 0e38446eeaba2f984f365b652f0ff52dbdc4eb1c..b41093f3b7bc09730e7cb30f1328eca414749665 100644
--- a/pkg/analysis_server/test/services/search/search_engine_test.dart
+++ b/pkg/analysis_server/test/services/search/search_engine_test.dart
@@ -15,7 +15,6 @@ import 'package:analyzer/src/dart/element/element.dart';
 import 'package:analyzer/src/dart/element/member.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
-import 'package:typed_mock/typed_mock.dart';
 import 'package:unittest/unittest.dart';
 
 import '../../abstract_single_unit.dart';
@@ -64,8 +63,6 @@ class ExpectedMatch {
   }
 }
 
-class MockIndex extends TypedMock implements Index {}
-
 @reflectiveTest
 class SearchEngineImplTest extends AbstractSingleUnitTest {
   Index index;