anchor.diff:    get state => _state;
     Actor _author;
     get author => _author;
  +  List<Actor> _assignees;
  +  get assignees => _assignees;
     String _body;
     get body => _body;
     Labels _labels;
  
positive.code:    
    // Passed a node containing an issue, return the issue
    static Issue fromGraphQL(dynamic node) {
      return Issue(node['title'],
        node['id'],
        node['number'],
        node['state'],
        node['author'] == null ? null : Actor.fromGraphQL(node['author']),
        node['body'],
        node['labels'] == null ? null : Labels.fromGraphQL(node['labels']),
        node['url'],
  
negative.code:     this._number,
      this._state,
      this._author,
      this._assignees,
      this._body,
      this._labels,
      this._url,
  