code: def children(self) -> List["AbstractPlan"]:
      return self._children
  
imports: from abc import ABC, abstractmethod
  from collections import deque
  from typing import Any, List
  from evadb.plan_nodes.types import PlanOprType
label_desc: Use image node_id 5 for calling the AbstractPlan obj's underlying member method code with example usage: obj.children() and returns: self