anchor.diff:    final String kind;
   
     Benchmark(this.id, this.description,
  -      {this.enabled = true, this.kind = 'cpu'});
  +      {this.enabled = true, required this.kind});
   
     int get maxIterations => 0;
   
  
positive.code: 
  import 'package:analyzer/file_system/file_system.dart';
  import 'package:analyzer/file_system/physical_file_system.dart';
  import 'package:args/command_runner.dart';
  import 'package:intl/intl.dart';
  import 'package:path/path.dart' as path;
  
negative.code:     FlutterAnalyzeBenchmark(),
    ];
  
    var runner = CommandRunner(
      'benchmark',
      'A benchmark runner for the analysis server.',
    );
    runner.addCommand(ListCommand(benchmarks));
    runner.addCommand(RunCommand(benchmarks));
    runner.run(args);
  }
  
  String get analysisServerSrcPath {
    return path.join(packageRoot, 'analysis_server');
  }
  
  void deleteServerCache() {
  