code: def _get_cbt_emulator_path():
      return _get_cbt_binary_path(
          CBT_EMULATOR_PATH_ENV_VAR,
          CBT_EMULATOR_SEARCH_PATHS,
          "cbt emulator",
      )
  
file_path: io/tests/test_bigtable/bigtable_emulator.py
imports: import os
  import subprocess
  import re
  import tensorflow
  from threading import Thread
  from typing import List
label_desc: Use image node_id 2 for calling a global function with example usage: _get_cbt_emulator_path() and returns: _get_cbt_binary_path