anchor.diff:  
     /// The name of the option used to cause instrumentation to also be written to
     /// a local file.
  -  static const String INSTRUMENTATION_LOG_FILE = 'instrumentation-log-file';
  +  static const String PROTOCOL_TRAFFIC_LOG = 'protocol-traffic-log';
  +  static const String PROTOCOL_TRAFFIC_LOG_ALIAS = 'instrumentation-log-file';
   
     /// The name of the option used to specify if [print] should print to the
     /// console instead of being intercepted.
     static const String INTERNAL_PRINT_TO_CONSOLE = 'internal-print-to-console';
   
     /// The name of the option used to describe the new analysis driver logger.
  -  static const String NEW_ANALYSIS_DRIVER_LOG = 'new-analysis-driver-log';
  +  static const String ANALYSIS_DRIVER_LOG = 'analysis-driver-log';
  +  static const String ANALYSIS_DRIVER_LOG_ALIAS = 'new-analysis-driver-log';
   
     /// The option for specifying the http diagnostic port.
     /// If specified, users can review server status and performance information
     /// by opening a web browser on http://localhost:<port>
  -  static const String PORT_OPTION = 'port';
  +  static const String DIAGNOSTIC_PORT = 'diagnostic-port';
  +  static const String DIAGNOSTIC_PORT_ALIAS = 'port';
   
     /// The path to the SDK.
  -  static const String SDK_OPTION = 'sdk';
  +  static const String DART_SDK = 'dart-sdk';
  +  static const String DART_SDK_ALIAS = 'sdk';
   
     /// The path to the data cache.
     static const String CACHE_FOLDER = 'cache';
  
positive.code:   }
  
    String _getSdkPath(ArgResults args) {
      if (args[SDK_OPTION] != null) {
        return args[SDK_OPTION];
      } else {
        return getSdkPath();
      }
  
negative.code:     //
      // Initialize the instrumentation service.
      //
      String logFilePath =
          results[PROTOCOL_TRAFFIC_LOG] ?? results[PROTOCOL_TRAFFIC_LOG_ALIAS];
      var allInstrumentationServices = instrumentationService == null
          ? <InstrumentationService>[]
          : [instrumentationService];
  