anchor.diff:  import 'dart:io' as io;
   import 'dart:async';
  +import 'dart:convert';
   
   import 'package:flutter_tools/src/base/common.dart';
   import 'package:flutter_tools/src/build_info.dart';
  
positive.code: import 'package:path/path.dart' as path;
  import 'package:vm_service_client/vm_service_client.dart';
  
  main(List<String> args) async {
    String flutterRoot = '../../GitRepos/flutter';
    String target = "lib/myapp.dart";
    String route = "/";
    String diagPath = "lib/diagnostics.dart";
  
    // Initialize globals.
    Cache.flutterRoot = path.normalize(path.absolute(flutterRoot));
  
negative.code: 
  }
  
  Future<Map> getIds(VMIsolateRef isolateRef) async {
    VMLibrary lib = await _getLibrary(isolateRef, DIAGNOSTICS_PATH);
    Map originMap = await loadRef(lib.fields['originMap']);
    return originMap;
  }
  
  
  // VM Support methods
  