anchor.diff:          strongMode = args['strong'],
           implicitCasts = args[implicitCastsFlag],
           implicitDynamic = !args['no-implicit-dynamic'],
  -        useAnalysisDriverMemoryByteStore =
  -            args['use-analysis-driver-memory-byte-store'],
           verbose = args['verbose'],
           color = args['color'];
   
  
positive.code:           negatable: false,
            hide: hide)
        ..addOption('build-analysis-output',
            help:
                'Specifies the path to the file where analysis results should be written.',
            hide: hide)
        ..addFlag('build-mode',
            // TODO(paulberry): add more documentation.
            help: 'Enable build mode.',
            defaultsTo: false,
            negatable: false,
            hide: hide)
  
negative.code:   // TODO(devoncarew): Deprecate and remove this flag.
    /// Whether to treat lints as fatal
    final bool lintsAreFatal;
  
    /// Emit output in a verbose mode.
    final bool verbose;
  