anchor.diff:          ..treeSha = input['tree']['sha'];
   
       commit.json = input;
  -    
  +
       if (input['stats'] != null) {
         commit
             ..additionsCount = input['stats']['additions']
  
positive.code:    */
    @ApiName("commit/commiter/email")
    String committerEmail;
    
    /**
     * Author Email
     */
    @ApiName("commit/author/email")
    String authorEmail;
  
    Commit(this.github);
  
    Map<String, dynamic> json;
    
    static Commit fromJSON(GitHub github, input) {
      var commit = new Commit(github)
          ..url = input['html_url']
  
negative.code:    */
    @ApiName("commit/author/date")
    DateTime authoredAt;
  
    /**
     * Time this commit was committed at
     */
  