class_docstr: Base node type for nodes in a GroupByItemResolutionDag.
  
  See GroupByItemResolutionDag for more details.
code: def id_prefix(cls) -> str:
      return cls.id_prefix()
  
imports: from __future__ import annotations
  from abc import ABC, abstractmethod
  from typing import TYPE_CHECKING, Generic, Sequence
  from typing_extensions import override
  from metricflow.dag.id_prefix import IdPrefix
  from metricflow.dag.mf_dag import DagNode, NodeId
  from metricflow.visitor import Visitable, VisitorOutputT
label_desc: Use image node_id 5 for calling the GroupByItemResolutionNode obj's underlying member method code with example usage: obj.id_prefix(cls) and returns: cls