class_docstr: Base class for environment specific extensions.
class_docstr_tok: ["Base","class","for","environment","specific","extensions","."]
docstr: Returns whether the given node is a pure service node.
docstr_tok: ["Returns","whether","the","given","node","is","a","pure","service","node","."]
code: def is_pure_service_node(
      self, pipeline: pipeline_pb2.Pipeline, node_id: str
  ) -> bool:
      """Returns whether the given node is a pure service node."""
  
imports: import abc
  from typing import Optional
  from tfx.orchestration.experimental.core import orchestration_options
  from tfx.proto.orchestration import pipeline_pb2
  from tfx.utils import status
label_desc: Use image node_id 7 for calling the Env obj's underlying member method code with example usage: obj.is_pure_service_node(pipeline, node_id) without return types