Make index provisional API.

pkg/analysis_server/test/services/index/dart_index_contributor_test.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 test.services.src.index.dart_index_contributor;
 
-import 'package:analysis_server/plugin/index/index_core.dart';
+import 'package:analysis_server/src/provisional/index/index_core.dart';
 import 'package:analysis_server/src/services/index/index.dart';
 import 'package:analysis_server/src/services/index/index_contributor.dart';
 import 'package:analysis_server/src/services/index/index_store.dart';
 import 'package:analysis_server/src/services/index/indexable_element.dart';
 import 'package:analysis_server/src/services/index/indexable_file.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/source.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
@@ skipping 69 matching lines @@
             LocationImpl location) {
       recordedRelations
           .add(new RecordedRelation(indexable, relationship, location));
     });
     when(store.recordTopLevelDeclaration(anyObject))
         .thenInvoke((Element element) {
       recordedTopElements.add(element);
     });
   }
 
-  void test_isReferencedBy_PrefixElement() {
-    _indexTestUnit('''
-import 'dart:async' as ppp;
-main() {
-  ppp.Future a;
-  ppp.Stream b;
-}
-''');
-    // prepare elements
-    PrefixElement element = findNodeElementAtString('ppp;');
-    Element elementA = findElement('a');
-    Element elementB = findElement('b');
-    IndexableElement indexable = new IndexableElement(element);
-    // verify
-    _assertRecordedRelation(indexable, IndexConstants.IS_REFERENCED_BY,
-        _expectedLocation(elementA, 'ppp.Future'));
-    _assertRecordedRelation(indexable, IndexConstants.IS_REFERENCED_BY,
-        _expectedLocation(elementB, 'ppp.Stream'));
-    _assertNoRecordedRelation(indexable, null, _expectedLocation(null, 'ppp;'));
-  }
-
   void test_bad_unresolvedFieldFormalParameter() {
     verifyNoTestUnitErrors = false;
     _indexTestUnit('''
 class Test {
   final field;
   Test(this.fie);
 }''');
   }
 
   void test_definesClass() {
@@ skipping 1288 matching lines @@
 }
 ''');
     // prepare elements
     Element mainElement = findElement('main');
     Element element = findElement('p');
     // verify
     _assertRecordedRelationForElement(element, IndexConstants.IS_REFERENCED_BY,
         _expectedLocation(mainElement, 'p: 1'));
   }
 
+  void test_isReferencedBy_PrefixElement() {
+    _indexTestUnit('''
+import 'dart:async' as ppp;
+main() {
+  ppp.Future a;
+  ppp.Stream b;
+}
+''');
+    // prepare elements
+    PrefixElement element = findNodeElementAtString('ppp;');
+    Element elementA = findElement('a');
+    Element elementB = findElement('b');
+    IndexableElement indexable = new IndexableElement(element);
+    // verify
+    _assertRecordedRelation(indexable, IndexConstants.IS_REFERENCED_BY,
+        _expectedLocation(elementA, 'ppp.Future'));
+    _assertRecordedRelation(indexable, IndexConstants.IS_REFERENCED_BY,
+        _expectedLocation(elementB, 'ppp.Stream'));
+    _assertNoRecordedRelation(indexable, null, _expectedLocation(null, 'ppp;'));
+  }
+
   void test_isReferencedBy_TopLevelVariableElement() {
     addSource(
         '/lib.dart',
         '''
 library lib;
 var V;
 ''');
     _indexTestUnit('''
 import 'lib.dart' show V; // imp
 import 'lib.dart' as pref;
@@ skipping 360 matching lines @@
   RecordedRelation(this.indexable, this.relationship, this.location);
 
   @override
   String toString() {
     return 'RecordedRelation(indexable=$indexable; relationship=$relationship; '
         'location=$location; flags='
         '${location.isQualified ? "Q" : ""}'
         '${location.isResolved ? "R" : ""})';
   }
 }