code: def render_children(self, r: "Renderer") -> Sequence["Renderable"]:
      return self.rs
  
imports: from hail import ir
  import abc
  from typing import Sequence, MutableSequence, List, Set, Dict, Optional
  from collections import namedtuple
label_desc: Use image node_id 4 for calling the ParensRenderer obj's underlying member method code with example usage: obj.render_children(r) and returns: self