class_docstr: A service job manager for environments without service jobs support.
class_docstr_tok: ["A","service","job","manager","for","environments","without","service","jobs","support","."]
code: def is_pure_service_node(
      self, pipeline_state: pstate.PipelineState, node_id: str
  ) -> bool:
      del pipeline_state, node_id
      return False
  
imports: import abc
  import dataclasses
  import enum
  from typing import Optional
  from absl import logging
  from tfx.orchestration.experimental.core import pipeline_state
label_desc: Use image node_id 3 for calling the DummyServiceJobManager obj's underlying member method code with example usage: obj.is_pure_service_node(pipeline_state, node_id) and returns: False