public static List <Issue> issues_closed(this API_GitHub_Issues gitHubIssues)
 {
     return(gitHubIssues.issues(IssueState.Closed));
 }
 public static List <Issue> issues_open(this API_GitHub_Issues gitHubIssues)
 {
     return(gitHubIssues.issues(IssueState.Open));
 }