code: def get_indexed_dataset_infos_path():
      """Path to indexed dataset meta-infos."""
      return os.path.join(
          get_base_db_workdir(), "indexed_dataset_infos.json"
      )
  
imports: from collections import defaultdict
  import glob
  import json
  import numpy
  import os
  from tqdm import tqdm
  from megatron import get_retro_args, print_rank_0
  from megatron.core.datasets.indexed_dataset import MMapIndexedDataset
  from tools.retro.external_libs import h5py
  from .dataset import DBDataset
label_desc: Use image node_id 2 for calling a global function with example usage: get_indexed_dataset_infos_path() and returns: os