class_docstr: TED-LIUM speech recognition dataset.
class_docstr_tok: ["TED-LIUM","speech","recognition","dataset","."]
code: def _build_pcollection(self, pipeline, directory):
      beam = tfds.core.lazy_imports.apache_beam
      stm_files = tf.io.gfile.glob(
          os.path.join(directory, "stm", "*stm")
      )
      return (
          pipeline
          | beam.Create(stm_files)
          | beam.FlatMap(_generate_examples_from_stm_file)
      )
  
file_path: datasets/tensorflow_datasets/datasets/tedlium/tedlium_dataset_builder.py
imports: import os
  import re
  from etils import epath
  import numpy
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
  import tensorflow_datasets.public_api
label_desc: Use image node_id 3 for calling the Builder obj's underlying member method code with example usage: obj._build_pcollection(pipeline, directory) and returns: unknown