anchor.diff:  import 'dart:convert';
   
   import 'package:googleapis/gmail/v1.dart';
  +import 'package:logging/logging.dart';
   
   import 'email_sender_credentials.dart';
   import 'server_utils.dart';
  
positive.code: 
  $body''');
  
    print('content:');
    print(emailContent);
  
    var request = new Message()
      ..rawAsBytes = UTF8.encode(emailContent.toString());
  
  
negative.code:     sentMessage = await api.users.messages.send(request, senderEmailAccount);
    });
  
    Logger.root.info([
      sentMessage.historyId,
      sentMessage.id,
      sentMessage.labelIds,
      sentMessage.payload,
      sentMessage.snippet
    ].toString());
  
    return sentMessage;
  }
  