code: def push(self, x: RenderableQueue):
      self._idx += 1
      self._list.append(x)
  
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 2 for calling the RQStack obj's underlying member method code with example usage: obj.push(x) without return types