code: def get_annotated_list(cls, parent=None, max_depth=None):
          
  
          result, info = [], {}
          start_depth, prev_depth = (None, None)
          qs = cls.get_tree(parent)
          if max_depth:
              qs = qs.filter(depth__lte=max_depth)
          return cls.get_annotated_list_qs(qs)
docs: Gets an annotated list from a tree branch.
  
          :param parent:
  
              The node whose descendants will be annotated. The node itself
              will be included in the list. If not given, the entire tree
              will be annotated.
  
          :param max_depth:
  
              Optionally limit to specified depth