public DiscussionQueryService(DataSource dataSource)
     : base(dataSource)
 {
 }
 public ForumQueryService(DataSource dataSource)
     : base(dataSource)
 {
 }
 public CalendarEntryQueryService(DataSource dataSource)
     : base(dataSource)
 {
 }
 public PostQueryService(DataSource dataSource)
     : base(dataSource)
 {
 }