class_docstr: Patches BeamDagRunner.run() for CLI.
code: def get_runner_class(self) -> Type[tfx_runner.TfxRunner]:
      return beam_dag_runner.BeamDagRunner
  
imports: from typing import Type
  from tfx.orchestration.beam import beam_dag_runner
  from tfx.orchestration.portable import tfx_runner
  from tfx.tools.cli.handler import dag_runner_patcher
label_desc: Use image node_id 2 for calling the BeamDagRunnerPatcher obj's underlying member method code with example usage: obj.get_runner_class() and returns: beam_dag_runner