anchor.diff:    int get interestedFromMe;
     bool get amI;
     bool get isClose;
  +  bool get isEnd;
     int get uploadSpeedFromUnchokeFromMe;
     Bitfield get bitfieldFromMe;
     Bitfield get bitfieldToMe;
  
positive.code:   int get interestedFromMe => (front == null ? TorrentClientPeerInfo.STATE_NONE: front.interestedFromMe);
    bool get amI => (front == null ? false : front.amI);
    bool get isClose => (front == null ? true : front.isClose);
    int get uploadSpeedFromUnchokeFromMe => (front == null ? 0 : front.uploadSpeedFromUnchokeFromMe);
  }
  
negative.code:   int interestedFromMe = TorrentClientPeerInfo.STATE_NONE;
    bool amI = false;
    bool isClose = true;
    bool isEnd = false;
    int uploadSpeedFromUnchokeFromMe = 0;
  }
  
  