anchor.diff:  
       isDebugging = true;
       cmdo.hide();
  -    return Process.start(vm, processArgs).then((Process process) {
  +    return Process.start(vm, processArgs).then((process) {
           print("Started process ${process.pid} '$vm ${processArgs.join(' ')}'");
           targetProcess = process;
           process.stdin.close();
  
positive.code:     var isolateId = params["isolateId"];
      var location = formatLocation(params["location"]);
      cmdo.hide();
      print("BP ${params["breakpointId"]} resolved in isolate $isolateId"
            " at $location.");
      cmdo.show();
      return;
  
negative.code: void printStackFrame(frame_num, Map frame) {
    var fname = frame["functionName"];
    var loc = formatLocation(frame["location"]);
    print("#${_leftJustify(frame_num,2)} $fname at $loc");
    List locals = frame["locals"];
    for (int i = 0; i < locals.length; i++) {
      printNamedObject(locals[i]);
  