anchor.diff:          c.complete();
           return;
         }
  -      env.output.write("${key}\n");
  +      output.write("${key}\n");
         for (var line = 1; line <= lines.length; line++) {
           String prefix = "       ";
           if (v.containsKey(line)) {
  
positive.code:   String sdkRoot;
    String pkgRoot;
    var input;
    var output;
    int workers;
    bool prettyPrint;
    bool lcov;
  
negative.code:       entry.write("DA:${k},${v[k]}\n");
      });
      entry.write("end_of_record\n");
      output.write(entry.toString());
      return new Future.value(null);
    };
  
  