anchor.diff:  }
   
   /// Writes [prompt] and reads a line from stdin.
  -Future<String> stdinPrompt(String prompt, {bool? echoMode}) {
  +Future<String> stdinPrompt(String prompt, {bool? echoMode}) async {
     if (runningFromTest) {
       log.message(prompt);
     } else {
  
positive.code: })();
  
  /// A line-by-line stream of standard input.
  final Stream<String> _stdinLines =
      ByteStream(stdin).toStringStream().transform(const LineSplitter());
  
  /// Displays a message and reads a yes/no confirmation from the user.
  ///
  
negative.code: import 'dart:convert';
  import 'dart:io';
  
  import 'package:async/async.dart';
  import 'package:cli_util/cli_util.dart'
      show EnvironmentNotFoundException, applicationConfigHome;
  import 'package:http/http.dart' show ByteStream;
  