listLabelsByIssue method
Lists all labels for an issue.
API docs: https://developer.github.com/v3/issues/labels/#list-all-labels-for-this-repository
Implementation
Stream<IssueLabel> listLabelsByIssue(RepositorySlug slug, int issueNumber) {
return PaginationHelper(github).objects(
'GET',
'/repos/${slug.fullName}/issues/$issueNumber/labels',
(dynamic i) => IssueLabel.fromJson(i));
}