anchor.diff:      final bool isConflicting = pr.mergeable == false;
       // This is used to skip landing until we are sure the PR is mergeable.
       final bool unknownMergeableState = pr.mergeableState == 'UNKNOWN';
  -
       final RepositorySlug slug = pr.base!.repo!.slug();
       final int? prNumber = pr.number;
       final Map<String, dynamic> data = await _queryGraphQL(
  
positive.code:       prNumber!,
        graphQLClient,
      );
  
      auto_submit.QueryResult queryResult = auto_submit.QueryResult.fromJson(data);
      if (queryResult.repository == null) {
        throw StateError('Query did not return a repository.');
      }
      final auto_submit.PullRequest pullRequest = queryResult.repository!.pullRequest!;
      final String authorAssociation = pullRequest.authorAssociation!;
  
      log.info('The author association is ${pullRequest.authorAssociation!}');
      auto_submit.Commit commit = pullRequest.commits!.nodes!.single.commit!;
      List<auto_submit.ContextNode> statuses = <auto_submit.ContextNode>[];
      if (commit.status!.contexts!.isNotEmpty) {
        statuses.addAll(commit.status!.contexts!);
      }
  
  
negative.code:     final Set<_FailureDetail> failures = <_FailureDetail>{};
      final String? sha = commit.oid;
      final String? author = pullRequest.author!.login;
      // List of labels associated with the pull request.
      final List<String> labelNames =
          (pr.labels as List<IssueLabel>).map<String>((IssueLabel labelMap) => labelMap.name).toList();
  