anchor.diff:              return $package$finished;
           } else if ((() {
               $dart$core.int tmp$1 = _$count;
  -            _$count = Integer.nativeValue(Integer.instance(_$count).successor);
  +            _$count = nativeInt((new Integer(_$count)).successor);
               return tmp$1;
           })() == 0) {
               return _$current;
  
positive.code:             }
              if (doElse$0) {
                  if (_$count < _$times) {
                      _$count = Integer.nativeValue(Integer.instance(_$count).successor);
                      _$iter = _$iterable.iterator();
                  } else {
                      _$iter = $package$emptyIterator;
  
negative.code:     $dart$core.int get lastIndex => !empty ? size - 1 : null;
      $dart$core.String toString() => _$delegate.toString();
      Iterator iterator() => String.instance(toString()).iterator();
      $dart$core.String substring([$dart$core.int index, $dart$core.int length]) => String.nativeValue(String.instance(toString()).measure(new Integer(index), length));
      Character getFromFirst([$dart$core.int index]) => String.instance(toString()).getFromFirst(index);
      StringBuilder append([$dart$core.String string]) {
          _$delegate.write(String.instance(string));
  