anchor.diff:    static Future<List<String>> _getLintsWithBulkFixes() async {
       var client = http.Client();
       var req = await client.get(Uri.parse(
  -        'https://raw.githubusercontent.com/dart-lang/sdk/master/pkg/analysis_server/lib/src/services/correction/bulk_fix_processor.dart'));
  +        'https://raw.githubusercontent.com/dart-lang/sdk/master/pkg/analysis_server/lib/src/services/correction/fix_internal.dart'));
   
       var parser = CompilationUnitParser();
  -    var cu = parser.parse(contents: req.body, name: 'bulk_fix_processor.dart');
  +    var cu = parser.parse(contents: req.body, name: 'fix_internal.dart');
       var fixProcessor = cu.declarations.firstWhere(
  -        (m) => m is ClassDeclaration && m.name.name == 'BulkFixProcessor');
  +        (m) => m is ClassDeclaration && m.name.name == 'FixProcessor');
   
       var collector = _BulkFixCollector();
       fixProcessor.accept(collector);
  
positive.code:           for (var element in initializer.elements) {
              var entry = element as MapLiteralEntry;
              var key = entry.key;
              if (key is PrefixedIdentifier) {
                if (key.prefix.name == 'LintNames') {
                  addLint(key.identifier.name);
                }
              }
            }
          }
  
negative.code:       if (coreRuleset.contains(lint.name)) {
          ruleSets.add('core');
        }
        if (recommendedRuleset.contains(lint.name)) {
          ruleSets.add('recommended');
        }
        if (flutterRuleset.contains(lint.name)) {
          ruleSets.add('flutter');
        }
  
        if (ruleSets.isEmpty) {
  