anchor.diff:        print("-rflutter is applicable only for --arch=x64");
       }
   
  -    if (compiler == Compiler.dartdevc && !isStrong) {
  -      isValid = false;
  -      print("--compiler dartdevc requires --strong");
  -    }
  -
       return isValid;
     }
   
  
positive.code:       this.fastTestsOnly,
        this.printPassingStdout})
        : _packages = packages,
          _timeout = timeout;
  
    final Architecture architecture;
    final Compiler compiler;
  
negative.code:       this.hotReload,
        this.hotReloadRollback,
        this.isChecked,
        bool isStrong,
        this.isHostChecked,
        this.isCsp,
        this.isMinified,
  