anchor.diff:  // found in the LICENSE file.
   
   import 'dart:async';
  +import 'dart:io' as io;
   
   import 'package:colorize/colorize.dart';
   import 'package:file/file.dart';
  
positive.code:     }
    }
  
    Future<bool> passesPublishCheck(Directory package) async {
      final String packageName = package.basename;
      print('Checking that $packageName can be published.');
  
negative.code:       return true;
      }
  
      if (await hasValidPublishCheckRun(package)) {
        print("Package $packageName is able to be published.");
        return true;
      } else {
  