anchor.diff:  
     """
     The dismissed pull request review.
  -
  +  
     **Upcoming Change on 2019-01-01 UTC**
     **Description:** Type for `pullRequestReview` will change from `PullRequestReview!` to `PullRequestReview`.
     **Reason:** In preparation for an upcoming change to the way we report
     mutation errors, non-nullable payload fields are becoming nullable.
  -
  +  
     """
     pullRequestReview: PullRequestReview!
   }
  
positive.code: 
    """
    The reaction object.
  
    **Upcoming Change on 2019-01-01 UTC**
    **Description:** Type for `reaction` will change from `Reaction!` to `Reaction`.
    **Reason:** In preparation for an upcoming change to the way we report
    mutation errors, non-nullable payload fields are becoming nullable.
  
    """
    reaction: Reaction!
  
    """
    The reactable subject.
  
    **Upcoming Change on 2019-01-01 UTC**
    **Description:** Type for `subject` will change from `Reactable!` to `Reactable`.
    **Reason:** In preparation for an upcoming change to the way we report
    mutation errors, non-nullable payload fields are becoming nullable.
  
    """
    subject: Reactable!
  }
  
negative.code: 
    """A list of repositories that the user recently contributed to."""
    repositoriesContributedTo(
      """If non-null, filters repositories according to privacy"""
      privacy: RepositoryPrivacy
  
  