anchor.diff:    }
   
     void cancel() {
  -    // If we won the arena already, then _entry is resolved, so resolving
  +    // If we won the arena already, then entry is resolved, so resolving
       // again is a no-op. But we still need to clean up our own state.
       if (_wonArena)
         reject();
  
positive.code:   }
  
    void acceptGesture(int pointer) {
      _gestureMap[pointer]?.accept();
    }
  
    void rejectGesture(int pointer) {
      _gestureMap[pointer]?.reject();
    }
  
  
negative.code:   Map<int, TapGesture> _gestureMap = new Map<int, TapGesture>();
  
    void addPointer(PointerInputEvent event) {
      assert(!_gestureMap.containsKey(event.pointer));
      _gestureMap[event.pointer] = new TapGesture(
        gestureRecognizer: this,
        event: event
  