code: def all_files_pattern(file_pattern: str) -> str:
      """Returns file pattern suitable for Beam to locate multiple files."""
      return os.path.join(file_pattern, "*")
  
imports: import os
  import re
  import tempfile
  from typing import List, TypeVar, Iterable
  from tfx.dsl.io import fileio
  from google.protobuf import json_format
  from google.protobuf import text_format
  from google.protobuf.message import Message
label_desc: Use image node_id 13 for calling a global function with example usage: all_files_pattern(file_pattern) and returns: os