anchor.diff:    String _$getSZ(int index) {
       var value = _values[index];
       if (value == null) return '';
  -    String result = value;
  -    return result;
  +    return value;
     }
   
     /// The implementation of a generated getter for Int64 fields.
     Int64 _$getI64(int index) {
       var value = _values[index];
       value ??= _getDefault(_nonExtensionInfoByIndex(index));
  -    Int64 result = value;
  -    return result;
  +    return value;
     }
   
     /// The implementation of a generated 'has' method.
  
positive.code:   int _$getIZ(int index) {
      var value = _values[index];
      if (value == null) return 0;
      int result = value;
      return result;
    }
  
    /// The implementation of a generated getter for String fields.
  
negative.code:   bool _$getBF(int index) {
      var value = _values[index];
      if (value == null) return false;
      return value;
    }
  
    /// The implementation of a generated getter for int fields.
  