@Override
 public CommentSummary getCommentById(long taskId, long commentId) {
   return CommentSummaryHelper.adapt(taskService.getCommentById(taskId, commentId));
 }
 @Override
 public List<CommentSummary> getAllCommentsByTaskId(long taskId) {
   return CommentSummaryHelper.adaptCollection(taskService.getCommentsByTaskId(taskId));
 }