public NewIssue(Project project, Tracker tracker, string subject, string description, User assignedToUser)
     : this(project.Id, tracker.id, subject, description, assignedToUser.id, null)
 {
 }
 public NewIssue(Project project, Tracker tracker, string subject, string description, User assignedToUser, int? parent_issue_id)
     : this(project.Id, tracker.id, subject, description, assignedToUser.id, parent_issue_id)
 {
 }
 public NewIssue(Project project, Tracker tracker, string subject, string description)
     : this(project.Id, tracker.id, subject, description, null, null)
 {
 }