public string GetSource(Feed feed)
            {
                if(string.IsNullOrWhiteSpace([email protected]))
                   return "UserMessage";

                return _successor.GetSource(feed);
            }
 public string GetSource(Feed feed)
 {
     return [email protected]_text.Contains("[NinJonas") ? "GitHub" : _successor.GetSource(feed);
 }
 public static string GetSource(Feed feed)
 {
     return new EmptyContentText().GetSource(feed);
 }
            public string GetSource(Feed feed)
            {
                if ([email protected]_text.Contains("{\"status\"")) return "ZenDesk";

                return _successor.GetSource(feed);
            }
 public string GetSource(Feed feed)
 {
     return "UserMessage";
 }
            public string GetSource(Feed feed)
            {
                if ([email protected]_text.Contains("admin updated issue:") || [email protected]_text.Contains("admin created issue:")) return "Jira";

                return _successor.GetSource(feed);
            }