anchor.diff:        hide: !verbose,
       );
   
  -  // Hidden args.
  +  // Deprecated and hidden args.
  +  // TODO: Remove this - prefer that clients use the rest arg.
  +  parser
  +    ..addOption(
  +      argVmUri,
  +      defaultsTo: '',
  +      help: 'VM Service protocol URI.',
  +      hide: true,
  +    );
  +
  +  // Development only args.
     parser
       ..addFlag(
         argDebugMode,
  
positive.code:       help:
            'Launches DevTools in a browser immediately at start.\n(defaults to on unless in --machine mode)',
      )
  // TODO: Remove this - prefer that clients use the rest arg.
      ..addOption(
        argVmUri,
        defaultsTo: '',
        help: 'VM Service protocol URI.',
        hide: true,
      )
      ..addFlag(
        argMachine,
        negatable: false,
        help: 'Sets output format to JSON for consumption in tools.',
      )
      ..addOption(
        argProfileMemory,
        valueHelp: 'file',
  
negative.code:     )
      ..addOption(
        argHost,
        valueHelp: 'host',
        help: 'Hostname to serve DevTools on (defaults to localhost).',
      )
  